/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#0A0F1C;
  --bg-2:#111A2B;
  --bg-3:#16223A;
  --glass:rgba(255,255,255,0.06);
  --glass-2:rgba(255,255,255,0.10);
  --primary:#2FE3C6;
  --primary-2:#16B8A6;
  --accent:#FF7A2F;
  --trend:#B8FF3C;
  --t1:#EAF0F8;
  --t2:#9AA7BD;
  --t3:#6B7A93;
  --line:rgba(255,255,255,0.12);
  --ok:#35D07F;
  --warn:#FFB020;
  --danger:#FF5C6C;
  --r-card:16px;
  --r-panel:20px;
  --r-input:10px;
  --r-img:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(47,227,198,.45), 0 8px 26px rgba(47,227,198,.28);
  --ease:200ms ease-out;
  --maxw:1280px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Hiragino Sans GB",sans-serif;
  --font-num:"Rajdhani","Oswald","DIN Alternate",ui-monospace,SFMono-Regular,Consolas,monospace;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--t1);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(680px 520px at 8% -6%, rgba(47,227,198,.16), transparent 68%),
    radial-gradient(720px 560px at 96% 104%, rgba(255,122,47,.12), transparent 70%),
    radial-gradient(520px 420px at 62% 34%, rgba(184,255,60,.05), transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(47,227,198,.28);color:#fff;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#04211d;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ============ 容器 ============ */
.container,.grid-container{
  width:100%;max-width:var(--maxw);margin:0 auto;
  padding-left:16px;padding-right:16px;
}
.grid-container{max-width:var(--maxw);}
@media(min-width:640px){
  .container,.grid-container{padding-left:24px;padding-right:24px;}
}
@media(min-width:1024px){
  .container,.grid-container{padding-left:32px;padding-right:32px;}
}
@media(min-width:1440px){
  .container,.grid-container{max-width:1360px;}
}
.row,.grid-x{margin-left:0 !important;margin-right:0 !important;}
.cell{padding-left:0 !important;padding-right:0 !important;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-input);border:1px solid transparent;
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:all var(--ease);text-align:center;white-space:nowrap;
  background:var(--glass);color:var(--t1);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211D;box-shadow:var(--shadow-glow);border-color:transparent;
}
.btn-primary:hover{filter:brightness(1.08);color:#04211D;box-shadow:0 0 0 1px rgba(47,227,198,.6),0 12px 32px rgba(47,227,198,.36);}
.btn-ghost{
  background:var(--glass);border-color:rgba(47,227,198,.5);color:var(--primary);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{background:rgba(47,227,198,.12);color:var(--primary);border-color:var(--primary);}
.btn-accent{
  background:linear-gradient(135deg,#FF8F4D,var(--accent));color:#2A1000;
  box-shadow:0 8px 24px rgba(255,122,47,.3);
}
.btn-accent:hover{filter:brightness(1.06);color:#2A1000;}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px;}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:999px;}
.btn[disabled],.btn.is-loading{opacity:.6;pointer-events:none;}
.link-arrow,.more-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--t2);
  font-size:13.5px;font-weight:600;
}
.link-arrow::after{content:"→";transition:transform var(--ease);}
.link-arrow:hover,.more-link:hover{color:var(--primary);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.tag,.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;line-height:1.5;white-space:nowrap;
}
.badge-primary,.cat-badge{background:rgba(47,227,198,.12);color:var(--primary);border:1px solid rgba(47,227,198,.28);}
.tag-trend{background:rgba(184,255,60,.12);color:var(--trend);border:1px solid rgba(184,255,60,.3);}
.tag-accent{background:var(--accent);color:#2A1000;border:1px solid transparent;animation:pulseSoft 2.6s ease-in-out infinite;}
@keyframes pulseSoft{0%,100%{opacity:1;}50%{opacity:.82;}}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--t2);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,15,28,.74);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.site-header.is-stuck{background:rgba(10,15,28,.9);box-shadow:0 8px 26px rgba(0,0,0,.4);}
.header-top-inner{display:flex;align-items:center;gap:18px;padding:14px 0;transition:padding var(--ease);}
.site-header.is-stuck .header-top-inner{padding:8px 0;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211D;font-weight:800;font-size:19px;
  box-shadow:0 0 0 1px rgba(47,227,198,.4),0 6px 18px rgba(47,227,198,.24);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.3px;white-space:nowrap;}
.header-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-input);
  backdrop-filter:blur(14px) saturate(140%);
}
.header-search i{position:absolute;left:13px;color:var(--t3);font-size:14px;}
.header-search input{
  width:100%;background:transparent;border:0;padding:10px 14px 10px 36px;
  font-size:14px;color:var(--t1);outline:none;border-radius:var(--r-input);
}
.header-search input::placeholder{color:var(--t3);}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,198,.14);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:10px;background:var(--glass);
  border:1px solid var(--line);cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--t1);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span:nth-child(1){top:12px;}
.nav-toggle span:nth-child(2){top:18px;}
.nav-toggle span:nth-child(3){top:24px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.header-channels{border-top:1px solid var(--line);transition:padding var(--ease);}
.channels-inner{display:flex;align-items:center;gap:22px;padding:7px 0;transition:padding var(--ease);}
.site-header.is-stuck .channels-inner{padding:4px 0;}
.channel-list{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-block;position:relative;padding:7px 12px;font-size:14.5px;
  font-weight:600;color:var(--t2);border-radius:9px;white-space:nowrap;
}
.channel-link:hover{color:var(--t1);background:var(--glass);}
.channel-link.is-active{color:var(--primary);}
.channel-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(47,227,198,.9);
}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.hot-tags::-webkit-scrollbar{display:none;}
.hot-tags li a{
  display:inline-block;font-size:12.5px;font-weight:600;padding:4px 11px;
  border-radius:999px;color:var(--trend);border:1px solid rgba(184,255,60,.32);
  background:rgba(184,255,60,.08);white-space:nowrap;
}
.hot-tags li a:hover{background:rgba(184,255,60,.18);color:var(--trend);}

/* 移动抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(10,15,28,.97);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.drawer-search{position:relative;margin-bottom:18px;}
.drawer-search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--t3);font-size:14px;}
.drawer-search input{
  width:100%;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 14px 11px 36px;font-size:14px;color:var(--t1);
}
.drawer-search input::placeholder{color:var(--t3);}
.drawer-title{font-size:12.5px;color:var(--t3);letter-spacing:1px;margin-bottom:10px;}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px;}
.drawer-grid a{
  display:block;padding:12px 14px;border-radius:12px;background:var(--glass);
  border:1px solid var(--line);font-size:14.5px;font-weight:600;
}
.drawer-grid a.is-active{color:var(--primary);border-color:rgba(47,227,198,.5);}
.drawer-tags{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.drawer-tags::-webkit-scrollbar{display:none;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:56px 0 64px;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.35;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(105deg,rgba(10,15,28,.95) 0%,rgba(10,15,28,.72) 48%,rgba(10,15,28,.55) 100%);
}
.hero-wrap{position:relative;z-index:2;}
.hero-copy{max-width:800px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary);background:rgba(47,227,198,.1);border:1px solid rgba(47,227,198,.32);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;line-height:1.75;color:var(--t2);max-width:720px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;}
.hero-metrics li{display:flex;flex-direction:column;}
.hero-metrics strong{
  font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;
  color:var(--t1);letter-spacing:1px;
}
.hero-metrics span{font-size:13px;color:var(--t3);margin-top:2px;}
.hero-visual{margin-top:32px;}
.hero-figure{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow);aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-float-card{
  position:absolute;right:16px;bottom:16px;left:auto;max-width:230px;
  background:rgba(17,26,43,.92);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:14px;padding:14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
}
.hero-float-card p{font-size:13.5px;line-height:1.65;color:var(--t2);margin-top:8px;}

/* ============ 通用板块 ============ */
.section{padding:56px 0;position:relative;}
@media(min-width:640px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(17,26,43,.6),rgba(10,15,28,0));}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:22px;
  margin-bottom:34px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;
  padding-left:14px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.section-desc{font-size:14.5px;color:var(--t2);max-width:760px;margin-top:10px;line-height:1.75;}
.section-head .head-right{display:flex;align-items:center;gap:14px;}

/* ============ 礼包阶梯 ============ */
.ladder{display:grid;grid-template-columns:1fr;gap:22px;position:relative;}
@media(min-width:640px){.ladder{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.ladder{grid-template-columns:repeat(4,1fr);gap:24px;}}
.ladder-card{
  position:relative;padding:24px 20px;border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);display:flex;flex-direction:column;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  transition:transform var(--ease),border-color var(--ease);
}
.ladder-card:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.4);}
.ladder-card.is-featured{
  border-color:rgba(47,227,198,.55);
  box-shadow:0 0 0 1px rgba(47,227,198,.45),0 8px 26px rgba(47,227,198,.18);
}
.ladder-flag{
  position:absolute;top:-12px;left:20px;background:var(--primary);color:#04211D;
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;
}
.ladder-tier{font-family:var(--font-num);font-size:14px;letter-spacing:2px;color:var(--t3);}
.ladder-card h3{font-size:20px;font-weight:700;margin:6px 0 8px;}
.ladder-cond{font-size:13.5px;color:var(--t2);min-height:44px;line-height:1.65;}
.ladder-benefits{margin:16px 0 20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.ladder-benefits li{display:flex;gap:9px;font-size:14px;color:var(--t2);line-height:1.6;}
.ladder-benefits i{color:var(--primary);font-size:12px;margin-top:6px;flex-shrink:0;}
@media(min-width:1024px){
  .ladder-card + .ladder-card::before{
    content:"";position:absolute;left:-24px;top:50%;width:24px;height:1px;
    background:linear-gradient(90deg,transparent,var(--primary));
  }
}

/* ============ 频道对照 ============ */
.compare-wrap{overflow-x:auto;padding-bottom:10px;-webkit-overflow-scrolling:touch;}
.compare-grid{display:grid;grid-template-columns:repeat(4,minmax(238px,1fr));gap:20px;min-width:860px;}
.compare-col{
  border-radius:var(--r-card);padding:22px 20px;background:var(--glass);
  border:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  display:flex;flex-direction:column;transition:transform var(--ease),border-color var(--ease);
}
.compare-col:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.4);}
.compare-col.is-featured{
  background:var(--glass-2);border-color:rgba(47,227,198,.5);
  transform:scale(1.02);
  box-shadow:0 0 0 1px rgba(47,227,198,.35),0 12px 34px rgba(47,227,198,.16);
}
.compare-col.is-featured:hover{transform:scale(1.02) translateY(-4px);}
.compare-head{display:flex;flex-direction:column;gap:8px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px;}
.compare-head h3{font-size:19px;font-weight:700;}
.compare-list{display:flex;flex-direction:column;gap:14px;flex:1;margin-bottom:20px;}
.compare-list li{display:flex;flex-direction:column;gap:3px;}
.compare-list span{font-size:12.5px;color:var(--t3);}
.compare-list strong{font-size:14.5px;font-weight:600;color:var(--t1);}
.compare-list strong.is-primary{color:var(--primary);}
.compare-list strong.is-mute{color:var(--t3);font-weight:500;}

/* ============ 限时条幅 ============ */
.flash-bar{
  position:relative;display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  padding:24px 26px;border-radius:var(--r-panel);overflow:hidden;
  background:var(--glass-2);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
}
.flash-bar::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.flash-timer{display:flex;align-items:center;gap:6px;flex-shrink:0;}
.t-block{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:58px;padding:8px 6px;border-radius:12px;background:rgba(10,15,28,.7);
  border:1px solid var(--line);
}
.t-block b{
  font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1;
  color:var(--primary);letter-spacing:1px;
}
.t-block i{font-size:11px;font-style:normal;color:var(--t3);margin-top:3px;}
.t-colon{font-family:var(--font-num);font-size:22px;color:var(--t3);}
.flash-text{flex:1;min-width:220px;font-size:15px;color:var(--t2);line-height:1.7;}
.flash-text strong{color:var(--accent);font-family:var(--font-num);font-size:19px;letter-spacing:.5px;}

/* ============ 本周焦点 ============ */
.focus-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media(min-width:1024px){.focus-grid{grid-template-columns:1.05fr 1fr;gap:48px;}}
.focus-media{position:relative;}
.focus-media .main-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-panel);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.focus-media .sub-img{
  position:absolute;right:-6px;bottom:-22px;width:180px;aspect-ratio:16/11;object-fit:cover;
  border-radius:14px;border:1px solid rgba(47,227,198,.4);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
}
.focus-copy h2{
  font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;padding-left:14px;
  position:relative;margin-bottom:14px;
}
.focus-copy h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.focus-copy p{font-size:15.5px;color:var(--t2);line-height:1.85;margin-bottom:20px;max-width:780px;}
.focus-points{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.focus-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t2);line-height:1.7;}
.focus-points i{color:var(--trend);font-size:13px;margin-top:6px;flex-shrink:0;}

/* ============ 内容列表 ============ */
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  transition:transform var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.4);}
.news-card:hover h3 a{color:var(--primary);}
.news-thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,rgba(47,227,198,.26),rgba(10,15,28,.92));
  display:flex;align-items:center;justify-content:center;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-mark{font-size:46px;font-weight:800;color:rgba(255,255,255,.1);letter-spacing:4px;user-select:none;}
.news-thumb .cat-badge{position:absolute;top:12px;left:12px;background:rgba(10,15,28,.8);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17.5px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{
  font-size:14px;color:var(--t2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);padding-top:14px;border-top:1px solid var(--line);
}
.news-meta .link-arrow{margin-left:auto;font-size:13px;}
.news-card--feature{display:grid;grid-template-columns:1fr;margin-bottom:26px;}
@media(min-width:768px){
  .news-card--feature{grid-template-columns:1.1fr 1fr;}
  .news-card--feature .news-thumb{aspect-ratio:auto;height:100%;min-height:280px;}
  .news-card--feature .news-body{padding:28px 30px;}
  .news-card--feature h3{font-size:23px;-webkit-line-clamp:3;}
  .news-card--feature p{font-size:15px;line-height:1.85;-webkit-line-clamp:4;}
}
.news-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-empty{
  text-align:center;padding:56px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px dashed var(--line);
}
.news-empty .empty-icon{
  display:inline-flex;width:52px;height:52px;border-radius:16px;align-items:center;justify-content:center;
  background:rgba(47,227,198,.12);color:var(--primary);font-size:24px;margin-bottom:16px;
}
.news-empty p{color:var(--t2);font-size:15px;margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border-radius:14px;background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);overflow:hidden;
  transition:border-color var(--ease),background-color var(--ease);
}
.faq-item[open]{border-color:rgba(47,227,198,.42);background:var(--glass-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:10px 20px;font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ind{
  width:16px;height:16px;flex-shrink:0;position:relative;transition:transform var(--ease);
}
.faq-ind::before,.faq-ind::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-ind::before{left:0;right:0;top:7px;height:2px;}
.faq-ind::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item[open] .faq-ind{transform:rotate(45deg);}
.faq-answer{padding:0 20px 18px 50px;font-size:15px;line-height:1.8;color:var(--t2);}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1024px){.form-grid{grid-template-columns:1.35fr .85fr;gap:48px;}}
.lead-form{
  padding:26px 24px;border-radius:var(--r-panel);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  display:grid;grid-template-columns:1fr;gap:18px;
}
@media(min-width:640px){.lead-form{grid-template-columns:1fr 1fr;}}
.lead-form .field-full{grid-column:1 / -1;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:var(--t2);}
.field input,.field select,.field textarea{
  width:100%;background:rgba(10,15,28,.62);border:1px solid var(--line);
  border-radius:var(--r-input);padding:11px 14px;font-size:14.5px;color:var(--t1);
  transition:border-color var(--ease),box-shadow var(--ease);outline:none;
}
.field textarea{min-height:108px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--t3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,198,.14);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,92,108,.14);
}
.field-error{font-size:13px;color:var(--danger);display:none;}
.field.has-error .field-error{display:block;}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.form-note{font-size:13px;color:var(--t3);margin-right:auto;}
.form-result{grid-column:1 / -1;font-size:14px;display:none;}
.form-result.is-ok{display:block;color:var(--ok);}
.trust-list{display:flex;flex-direction:column;gap:16px;}
.trust-item{
  display:flex;gap:14px;padding:18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.trust-item i{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,227,198,.12);color:var(--primary);font-size:15px;
}
.trust-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px;}
.trust-item p{font-size:13.5px;color:var(--t2);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{margin-top:56px;border-top:1px solid var(--line);background:rgba(17,26,43,.55);}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 36px;
}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px;}}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:13.5px;color:var(--t2);line-height:1.8;max-width:330px;margin-bottom:16px;}
.social-row{display:flex;gap:10px;}
.social-row span{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);font-size:14px;
  transition:all var(--ease);cursor:pointer;
}
.social-row span:hover{color:var(--primary);border-color:rgba(47,227,198,.45);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;padding-left:10px;position:relative;}
.footer-col h4::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--primary);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:13.5px;color:var(--t2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col p{font-size:13.5px;color:var(--t2);line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 26px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}
.footer-bottom .foot-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom .to-top-inline{margin-left:auto;color:var(--t2);}
.footer-bottom .to-top-inline:hover{color:var(--primary);}

/* 返回顶部悬浮 */
.to-top{
  position:fixed;right:18px;bottom:22px;width:46px;height:46px;border-radius:14px;z-index:70;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  background:rgba(17,26,43,.92);border:1px solid var(--line);color:var(--primary);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:rgba(47,227,198,.5);box-shadow:var(--shadow-glow);}

/* ============ 响应式 ============ */
@media(max-width:1023px){
  .header-search{max-width:260px;}
  .hot-tags{display:none;}
  .nav-toggle{display:block;}
  .hero{padding:44px 0 56px;}
  .hero-float-card{max-width:200px;padding:12px;}
}
@media(max-width:767px){
  .header-search{display:none;}
  .header-actions .btn{display:none;}
  .header-top-inner{gap:12px;}
  .hero-metrics{gap:24px;}
  .hero-metrics strong{font-size:26px;}
  .focus-media .sub-img{width:132px;bottom:-14px;right:4px;}
  .flash-bar{gap:18px;padding:20px;}
  .flash-timer .t-block{min-width:50px;}
  .flash-timer .t-block b{font-size:22px;}
  .faq-answer{padding-left:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .footer-bottom .to-top-inline{margin-left:0;}
}
@media(max-width:419px){
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;font-size:17px;}
}

/* roulang page: article */
:root{
  --bg:#0A0F1C;
  --bg-2:#111A2B;
  --bg-3:#16223A;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.10);
  --primary:#2FE3C6;
  --primary-2:#16B8A6;
  --accent:#FF7A2F;
  --trend:#B8FF3C;
  --t1:#EAF0F8;
  --t2:#9AA7BD;
  --t3:#6B7A93;
  --line:rgba(255,255,255,.12);
  --ok:#35D07F;
  --warn:#FFB020;
  --danger:#FF5C6C;
  --r-card:16px;
  --r-panel:20px;
  --r-sm:10px;
  --r-img:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(47,227,198,.45),0 8px 26px rgba(47,227,198,.28);
  --ease:.2s ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 6% -8%, rgba(47,227,198,.13), transparent 62%),
    radial-gradient(780px 480px at 98% 8%, rgba(255,122,47,.09), transparent 66%),
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media screen and (min-width:640px){.container{padding-left:24px;padding-right:24px;}}
@media screen and (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
@media screen and (min-width:1440px){.container{max-width:1360px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,15,28,.82);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(10,15,28,.94);box-shadow:0 12px 32px rgba(0,0,0,.4);}
.header-top-inner{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  height:66px;transition:height var(--ease);
}
.is-scrolled .header-top-inner{height:52px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:17px;color:#06231F;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px rgba(47,227,198,.32);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand:hover .brand-text{color:var(--primary);}
.header-search{position:relative;flex:1 1 auto;max-width:420px;display:flex;align-items:center;}
.header-search i{position:absolute;left:14px;color:var(--t3);font-size:14px;pointer-events:none;}
.header-search input{
  width:100%;height:38px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);color:var(--t1);
  padding:0 14px 0 38px;font-size:14px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
  font-family:inherit;
}
.header-search input::placeholder{color:var(--t3);}
.header-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,198,.16);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211D;box-shadow:0 8px 26px rgba(47,227,198,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--glass);border-color:rgba(47,227,198,.5);color:var(--primary);}
.btn-ghost:hover{background:rgba(47,227,198,.12);transform:translateY(-2px);}
.btn-text{background:none;border:0;color:var(--primary);height:auto;padding:0;font-weight:600;gap:6px;}
.btn-text:hover{color:#7DF3E0;}
.header-cta{height:38px;padding:0 18px;font-size:13px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);margin:3px auto;border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.header-channels{border-top:1px solid var(--line);}
.channels-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;}
.is-scrolled .channels-inner{height:40px;}
.channel-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.channel-link{
  position:relative;display:inline-block;padding:6px 12px;border-radius:8px;
  font-size:14px;color:var(--t2);white-space:nowrap;
}
.channel-link:hover{color:var(--primary);background:var(--glass);}
.channel-link.is-active{color:var(--primary);font-weight:600;}
.channel-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(47,227,198,.85);
}
.hot-tags{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.hot-tags a{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  color:var(--trend);border:1px solid rgba(184,255,60,.35);background:rgba(184,255,60,.10);
  white-space:nowrap;
}
.hot-tags a:hover{background:rgba(184,255,60,.2);}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--t3);}
.crumb li{display:flex;align-items:center;gap:8px;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumb li:not(:last-child)::after{content:"/";color:var(--t3);opacity:.6;}
.crumb a:hover{color:var(--primary);}

/* ---------- article head ---------- */
.article-head{padding:22px 0 0;max-width:880px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(47,227,198,.12);border:1px solid rgba(47,227,198,.28);
}
.article-title{
  font-size:clamp(26px,3.8vw,42px);line-height:1.22;font-weight:800;
  letter-spacing:.3px;margin:16px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  margin-top:20px;padding-bottom:22px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.article-meta i{color:var(--primary);margin-right:6px;}
.article-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:40px 0 0;}
.article-main{min-width:0;}
.article-body{max-width:780px;font-size:16px;line-height:1.9;color:#D5DDEA;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:700;color:var(--t1);
  margin:44px 0 18px;padding-left:16px;scroll-margin-top:130px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.article-body h3{font-size:19px;font-weight:600;color:var(--t1);margin:32px 0 14px;scroll-margin-top:130px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding:0;list-style:none;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);transform:rotate(45deg);
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;counter-increment:li;padding-left:36px;margin-bottom:10px;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.42em;width:22px;height:22px;
  display:grid;place-items:center;border-radius:7px;
  font-family:"Rajdhani","Noto Sans SC",sans-serif;font-size:13px;font-weight:700;
  color:var(--primary);background:rgba(47,227,198,.12);border:1px solid rgba(47,227,198,.3);
}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:var(--glass);border-radius:0 12px 12px 0;color:var(--t2);font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--t3);}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(47,227,198,.4);}
.article-body a:hover{color:#7DF3E0;border-bottom-color:#7DF3E0;}
.article-body strong{color:var(--t1);font-weight:700;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:26px 0;font-size:14px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--glass-2);color:var(--t1);font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.025);}
.article-body pre{
  background:#070C16;border:1px solid var(--line);border-radius:12px;
  padding:16px;overflow-x:auto;font-size:13px;line-height:1.7;margin:24px 0;
}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;
  color:var(--trend);background:rgba(184,255,60,.08);padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:#C9D6E8;}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0;}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--t1);margin:0 0 14px;}
.side-title::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--primary);}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:13px;color:var(--t2);
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{color:var(--primary);background:var(--glass-2);}
.toc-list a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(47,227,198,.08);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  padding:5px 12px;border-radius:999px;font-size:12px;color:var(--t2);
  background:var(--glass-2);border:1px solid var(--line);
}
.tag-cloud a:hover{color:var(--primary);border-color:rgba(47,227,198,.5);}
.mini-list{display:flex;flex-direction:column;gap:10px;}
.mini-card{display:flex;gap:10px;align-items:flex-start;padding:8px;border-radius:12px;}
.mini-card:hover{background:var(--glass-2);}
.mini-card img{width:64px;height:46px;border-radius:8px;object-fit:cover;flex:0 0 auto;background:linear-gradient(135deg,rgba(47,227,198,.22),rgba(10,15,28,.9));}
.mini-card span{font-size:13px;line-height:1.5;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;overflow:hidden;}
.mini-card:hover span{color:var(--primary);}

/* ---------- faq ---------- */
.faq-wrap{padding:64px 0 0;}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--ease);
}
.faq-item:hover{border-color:rgba(47,227,198,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;min-height:56px;padding:10px 18px;
  background:none;border:0;color:var(--t1);font-size:16px;font-weight:600;text-align:left;
  cursor:pointer;transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-ind{
  position:relative;flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:rgba(47,227,198,.14);border:1px solid rgba(47,227,198,.35);
  transition:transform .22s ease-out;
}
.faq-ind::before,.faq-ind::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ind::before{width:10px;height:2px;}
.faq-ind::after{width:2px;height:10px;}
.faq-item.is-open .faq-ind{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a-inner{padding:0 18px 18px 52px;font-size:15px;line-height:1.8;color:var(--t2);}

/* ---------- related ---------- */
.related{padding:64px 0 0;}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.section-title{display:flex;align-items:center;gap:10px;font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.3;}
.section-title::before{content:"";width:4px;height:22px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--primary-2));}
.section-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--t2);}
.section-more:hover{color:var(--primary);}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media screen and (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media screen and (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.38);box-shadow:0 16px 40px rgba(0,0,0,.4);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,rgba(47,227,198,.24),rgba(10,15,28,.92));}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-badge{
  position:absolute;left:12px;top:12px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(10,15,28,.78);border:1px solid rgba(47,227,198,.35);backdrop-filter:blur(6px);
}
.post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--primary);}
.post-desc{
  font-size:13px;color:var(--t2);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:10px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--t3);
}
.post-meta .num{font-family:"Rajdhani","Noto Sans SC",sans-serif;letter-spacing:.5px;}
.back-row{display:flex;flex-wrap:wrap;gap:20px;padding:40px 0 0;}

/* ---------- empty state ---------- */
.empty-state{
  max-width:780px;padding:56px 24px;text-align:center;
  background:var(--glass);border:1px dashed rgba(47,227,198,.35);border-radius:var(--r-panel);
}
.empty-state .ico{font-size:34px;color:var(--primary);opacity:.8;}
.empty-state h2{font-size:22px;font-weight:700;margin:16px 0 8px;}
.empty-state p{color:var(--t2);font-size:15px;margin:0 0 22px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:88px;padding:64px 0 0;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,26,43,.6),rgba(10,15,28,.95));
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media screen and (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media screen and (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand p{margin-top:14px;font-size:13px;line-height:1.8;color:var(--t2);max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);font-size:14px;
}
.footer-col h4{font-size:15px;font-weight:700;color:var(--t1);margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13px;color:var(--t2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col p{font-size:13px;color:var(--t2);line-height:1.8;}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t3);
}
.foot-links{display:flex;flex-wrap:wrap;gap:16px;}
.foot-links a:hover{color:var(--primary);}
.to-top-inline{color:var(--primary);}
.to-top-inline:hover{color:#7DF3E0;}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(10,15,28,.86);border:1px solid rgba(47,227,198,.4);
  color:var(--primary);font-size:15px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  backdrop-filter:blur(10px);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--glow);transform:translateY(-2px);}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .nav-toggle{display:block;margin-left:auto;}
  .header-search{display:none;}
  body.nav-open .header-search{
    display:flex;order:9;flex-basis:100%;max-width:none;margin:0 0 4px;
  }
  .header-channels{display:none;}
  body.nav-open .header-channels{display:block;padding-bottom:16px;}
  body.nav-open .header-top-inner{height:auto;padding-top:12px;}
  .channels-inner{flex-direction:column;align-items:stretch;height:auto;gap:14px;padding-top:12px;}
  .channel-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .channel-link{padding:10px 12px;background:var(--glass);border-radius:10px;}
  .channel-link.is-active::after{display:none;}
  .hot-tags{overflow-x:auto;padding-bottom:4px;}
  .article-side{position:static;}
}
@media screen and (max-width:639px){
  .brand-text{font-size:16px;}
  .article-meta{gap:12px;}
  .faq-a-inner{padding-left:18px;}
  .to-top{right:14px;bottom:16px;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0F1C;
  --bg-2:#111A2B;
  --bg-3:#16223A;
  --glass:rgba(255,255,255,0.06);
  --glass-2:rgba(255,255,255,0.10);
  --primary:#2FE3C6;
  --primary-2:#16B8A6;
  --accent:#FF7A2F;
  --trend:#B8FF3C;
  --t1:#EAF0F8;
  --t2:#9AA7BD;
  --t3:#6B7A93;
  --line:rgba(255,255,255,0.12);
  --ok:#35D07F;
  --warn:#FFB020;
  --danger:#FF5C6C;
  --r-card:16px;
  --r-panel:20px;
  --r-input:10px;
  --sh:0 10px 30px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(47,227,198,.45),0 8px 26px rgba(47,227,198,.28);
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px),
    radial-gradient(900px 520px at 5% -6%,rgba(47,227,198,.16),transparent 62%),
    radial-gradient(820px 520px at 100% 96%,rgba(255,122,47,.13),transparent 66%),
    linear-gradient(180deg,#0A0F1C 0%,#0C1424 48%,#0A0F1C 100%);
  background-size:64px 64px,64px 64px,auto,auto,auto;
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--t1);font-weight:800;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(47,227,198,.3);color:#fff;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1360px;}}
@media (max-width:1023px){.container{padding:0 24px;}}
@media (max-width:639px){.container{padding:0 16px;}}

.row.grid{max-width:none;margin-left:-12px;margin-right:-12px;}
.row.grid>.column{padding-left:12px;padding-right:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-input);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all var(--ease);
}
.btn i{font-size:13px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04241F;box-shadow:var(--sh-glow);
}
.btn-primary:hover{color:#04241F;filter:brightness(1.08);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);border-color:rgba(47,227,198,.45);color:var(--primary);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{background:var(--glass-2);transform:translateY(-2px);color:var(--primary);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(255,122,47,.3);}
.btn-accent:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);}
.text-link i{font-size:11px;transition:transform var(--ease);}
.text-link:hover i{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;padding:6px 10px;border-radius:999px;
  background:rgba(47,227,198,.12);color:var(--primary);border:1px solid rgba(47,227,198,.18);
  white-space:nowrap;
}
.badge-trend{background:rgba(184,255,60,.12);color:var(--trend);border-color:rgba(184,255,60,.24);}
.badge-accent{background:var(--accent);color:#fff;border-color:transparent;}
.badge-mute{background:var(--glass);color:var(--t2);border-color:var(--line);}
.badge-live .dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,227,198,.4);}
  100%{box-shadow:0 0 0 9px rgba(47,227,198,0);}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,15,28,.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,28,.88);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.brand-row{padding:14px 0;transition:padding .22s ease-out;}
.site-header.is-scrolled .brand-row{padding:6px 0;}
.brand-row-inner{display:flex;align-items:center;gap:20px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#04241F;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:var(--sh-glow);transition:width .22s ease,height .22s ease,font-size .22s ease;
}
.site-header.is-scrolled .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em;white-space:nowrap;transition:font-size .22s ease;}
.site-header.is-scrolled .brand-text{font-size:17px;}

.search-box{position:relative;flex:1 1 auto;max-width:420px;display:flex;align-items:center;}
.search-box>i{position:absolute;left:14px;color:var(--t3);font-size:13px;pointer-events:none;}
.search-box input{
  width:100%;height:40px;padding:0 14px 0 36px;border-radius:var(--r-input);
  background:var(--glass);border:1px solid var(--line);color:var(--t1);
  font-size:14px;font-family:inherit;transition:all var(--ease);
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{outline:none;border-color:var(--primary);background:var(--glass-2);box-shadow:0 0 0 3px rgba(47,227,198,.16);}
.brand-cta{margin-left:auto;}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);cursor:pointer;
  margin-left:auto;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--t1);margin:3px auto;transition:all var(--ease);}
.nav-toggle:hover{border-color:rgba(47,227,198,.45);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.header-channels{border-top:1px solid var(--line);transition:border-color var(--ease);}
.channels-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:46px;}
.channel-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:46px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--t2);white-space:nowrap;transition:color var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px rgba(47,227,198,.7);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.channel-link:hover{color:var(--t1);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--primary);}
.channel-link.is-active::after{transform:scaleX(1);}

.hot-tags{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.hot-tags a{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--trend);
  background:rgba(184,255,60,.10);border:1px solid rgba(184,255,60,.24);
  transition:all var(--ease);
}
.hot-tags a:hover{background:rgba(184,255,60,.2);color:var(--trend);transform:translateY(-1px);}

.mobile-drawer{
  display:none;overflow:hidden;max-height:0;
  border-top:1px solid var(--line);background:rgba(10,15,28,.96);
  transition:max-height .28s ease-out;
}
.mobile-drawer.is-open{max-height:520px;}
.mobile-drawer .drawer-inner{padding:16px 0 22px;}
.drawer-search{position:relative;display:flex;align-items:center;margin-bottom:14px;}
.drawer-search>i{position:absolute;left:13px;color:var(--t3);font-size:13px;}
.drawer-search input{
  width:100%;height:42px;padding:0 14px 0 34px;border-radius:var(--r-input);
  background:var(--glass);border:1px solid var(--line);color:var(--t1);font-size:14px;font-family:inherit;
}
.drawer-search input:focus{outline:none;border-color:var(--primary);}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-nav a{
  display:block;padding:11px 14px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--t2);background:var(--glass);border:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--primary);border-color:rgba(47,227,198,.45);background:rgba(47,227,198,.1);}
.drawer-tags{display:flex;gap:10px;margin-top:14px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.drawer-tags::-webkit-scrollbar{display:none;}
.drawer-tags a{
  flex:0 0 auto;font-size:12px;padding:6px 12px;border-radius:999px;
  color:var(--trend);background:rgba(184,255,60,.1);border:1px solid rgba(184,255,60,.24);
}

@media (max-width:1023px){
  .search-box,.brand-cta{display:none;}
  .nav-toggle{display:grid;}
  .mobile-drawer{display:block;}
  .channels-inner{min-height:42px;}
  .channel-link{height:42px;padding:0 12px;font-size:14px;}
  .channel-link::after{left:12px;right:12px;bottom:4px;}
  .hot-tags{display:none;}
}
@media (max-width:639px){
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding:18px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);}
.breadcrumb a{color:var(--t2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--t3);opacity:.6;}
.breadcrumb li[aria-current]{color:var(--t1);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
@media (max-width:1023px){.section{padding:60px 0;}.section-tight{padding:48px 0;}}
@media (max-width:639px){.section{padding:48px 0;}.section-tight{padding:40px 0;}}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-title{
  position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(47,227,198,.5);
}
.section-desc{margin-top:10px;font-size:14px;color:var(--t2);max-width:760px;}

/* ============ Hero ============ */
.cat-hero{padding:36px 0 24px;}
.cat-hero-row{align-items:center;}
.cat-hero h1{
  margin:16px 0 0;
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#EAF0F8 20%,#9FF3E4 70%,#2FE3C6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:var(--t2);max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.hero-metrics{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px;}
.hero-metrics li{
  flex:1 1 140px;min-width:130px;padding:14px 16px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.hero-metrics strong{
  display:block;font-size:24px;font-weight:800;line-height:1.2;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.hero-metrics span{display:block;margin-top:4px;font-size:13px;color:var(--t3);}

.cat-hero-art{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh);
  aspect-ratio:16/10;background:linear-gradient(135deg,#16223A,#0A0F1C);
}
.cat-hero-art img{width:100%;height:100%;object-fit:cover;}
.cat-hero-art::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,28,.05) 40%,rgba(10,15,28,.72) 100%);
}
.art-tag{
  position:absolute;left:16px;bottom:16px;right:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  padding:8px 14px;border-radius:999px;font-size:12px;font-weight:600;color:#04241F;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:var(--sh-glow);
}
@media (max-width:1023px){
  .cat-hero{padding:28px 0 8px;}
  .cat-hero-art{margin-top:32px;}
}

/* ============ 能力条 ============ */
.cap-strip{
  border-radius:var(--r-panel);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  padding:8px 4px;
}
.cap-strip ul{display:grid;grid-template-columns:repeat(4,1fr);}
.cap-item{
  display:flex;gap:14px;align-items:flex-start;padding:20px 22px;
  border-right:1px solid var(--line);
}
.cap-item:last-child{border-right:0;}
.cap-icon{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(47,227,198,.12);color:var(--primary);font-size:15px;
  border:1px solid rgba(47,227,198,.2);
}
.cap-item h3{font-size:15px;font-weight:700;}
.cap-item p{margin-top:4px;font-size:13px;line-height:1.7;color:var(--t3);}
@media (max-width:1023px){
  .cap-strip ul{grid-template-columns:repeat(2,1fr);}
  .cap-item:nth-child(2n){border-right:0;}
  .cap-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
@media (max-width:639px){
  .cap-strip ul{grid-template-columns:1fr;}
  .cap-item{border-right:0;border-bottom:1px solid var(--line);padding:18px;}
  .cap-item:last-child{border-bottom:0;}
  .cap-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
}

/* ============ 开服流 ============ */
.feed-list{display:flex;flex-direction:column;gap:16px;}
.feed-item{
  display:flex;gap:18px;padding:16px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.feed-item:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.3);box-shadow:var(--sh),0 0 0 1px rgba(47,227,198,.18);}
.feed-thumb{
  flex:0 0 200px;width:200px;height:130px;border-radius:12px;overflow:hidden;
  background:linear-gradient(135deg,#16223A,#0A0F1C);position:relative;
}
.feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.feed-item:hover .feed-thumb img{transform:scale(1.04);}
.feed-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.feed-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px;}
.feed-body h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feed-body h3 a:hover{color:var(--primary);}
.feed-body>p{
  margin-top:8px;font-size:14px;line-height:1.75;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feed-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:auto;padding-top:12px;font-size:13px;color:var(--t3);
}
.feed-meta span{display:inline-flex;align-items:center;gap:6px;}
.feed-meta .text-link{margin-left:auto;}
@media (max-width:639px){
  .feed-item{flex-direction:column;padding:14px;}
  .feed-thumb{flex:0 0 auto;width:100%;height:auto;aspect-ratio:16/10;}
  .feed-meta .text-link{margin-left:0;}
}

/* ============ 侧栏 ============ */
.sticky-col{position:sticky;top:130px;}
.side-card{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--glass);padding:20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:20px;
}
.side-card:last-child{margin-bottom:0;}
.side-title{
  position:relative;padding-left:12px;font-size:16px;font-weight:700;margin-bottom:16px;
}
.side-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:3px;
  background:var(--primary);box-shadow:0 0 10px rgba(47,227,198,.55);
}
.word-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.word-cloud a{
  font-size:13px;padding:6px 12px;border-radius:999px;
  background:var(--glass-2);border:1px solid var(--line);color:var(--t2);
  transition:all var(--ease);
}
.word-cloud a:hover{color:var(--primary);border-color:rgba(47,227,198,.45);transform:translateY(-2px);}
.word-cloud a.hot{color:var(--trend);border-color:rgba(184,255,60,.24);background:rgba(184,255,60,.1);}

.rank-list li{
  display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-num{
  flex:0 0 26px;font-size:15px;font-weight:800;color:var(--t3);font-variant-numeric:tabular-nums;
}
.rank-list li:nth-child(1) .rank-num{color:var(--trend);}
.rank-list li:nth-child(2) .rank-num{color:var(--primary);}
.rank-list li:nth-child(3) .rank-num{color:var(--warn);}
.rank-name{flex:1 1 auto;min-width:0;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-name a:hover{color:var(--primary);}
.rank-val{font-size:12px;color:var(--t3);white-space:nowrap;font-variant-numeric:tabular-nums;}

.mini-card{
  display:flex;gap:12px;padding:10px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass-2);margin-bottom:10px;transition:all var(--ease);
}
.mini-card:last-child{margin-bottom:0;}
.mini-card:hover{border-color:rgba(47,227,198,.35);transform:translateY(-2px);}
.mini-card img{flex:0 0 62px;width:62px;height:62px;border-radius:10px;object-fit:cover;}
.mini-card h4{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card span{display:block;margin-top:6px;font-size:12px;color:var(--t3);}

@media (max-width:1023px){
  .sticky-col{position:static;margin-top:32px;}
}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--ease),border-color var(--ease);
}
.scene-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
  opacity:0;transition:opacity var(--ease);
}
.scene-card:hover{transform:translateY(-6px);border-color:rgba(47,227,198,.3);}
.scene-card:hover::before{opacity:1;}
.scene-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:16px;color:var(--primary);background:rgba(47,227,198,.12);
  border:1px solid rgba(47,227,198,.2);margin-bottom:18px;
}
.scene-card h3{font-size:17px;font-weight:700;}
.scene-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--t2);}
@media (max-width:1023px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.scene-grid{grid-template-columns:1fr;}}

/* ============ 流程 ============ */
.flow-wrap{
  border-radius:var(--r-panel);border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(22,34,58,.9),rgba(10,15,28,.9));
  padding:36px 28px;position:relative;overflow:hidden;
}
.flow-wrap::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.18),transparent 70%);
}
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:1;}
.flow-step{position:relative;padding-top:6px;}
.flow-step::after{
  content:"";position:absolute;top:22px;left:52px;right:-20px;height:1px;
  background:linear-gradient(90deg,rgba(47,227,198,.5),rgba(47,227,198,0));
}
.flow-step:last-child::after{display:none;}
.flow-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#04241F;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:var(--sh-glow);margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:16px;font-weight:700;}
.flow-step p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--t2);}
@media (max-width:1023px){
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:26px;}
  .flow-step:nth-child(2n)::after{display:none;}
}
@media (max-width:639px){
  .flow-steps{grid-template-columns:1fr;}
  .flow-step::after{display:none;}
  .flow-wrap{padding:28px 20px;}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--glass);overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color var(--ease);
}
.faq-item:hover{border-color:rgba(47,227,198,.25);}
.faq-item.is-open{border-color:rgba(47,227,198,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;min-height:56px;
  padding:14px 20px;background:transparent;border:0;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--t1);text-align:left;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-ind{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-ind::before,.faq-ind::after{
  content:"";position:absolute;left:0;top:7px;width:16px;height:2px;border-radius:2px;
  background:var(--primary);transition:transform .22s ease-out;
}
.faq-ind::after{transform:rotate(90deg);}
.faq-item.is-open .faq-ind::before{transform:rotate(45deg);}
.faq-item.is-open .faq-ind::after{transform:rotate(-45deg);}
.faq-q span{flex:1 1 auto;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 20px 18px 50px;font-size:15px;line-height:1.8;color:var(--t2);}
@media (max-width:639px){
  .faq-q{padding:14px 16px;font-size:14px;}
  .faq-a p{padding:0 16px 16px 46px;font-size:14px;}
}

/* ============ CTA 条幅 ============ */
.cta-band{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(47,227,198,.14),rgba(22,34,58,.9) 45%,rgba(255,122,47,.14));
  padding:38px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;}
.cta-band p{margin-top:8px;font-size:14px;color:var(--t2);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:639px){.cta-band{padding:28px 20px;}.cta-actions{width:100%;}.cta-actions .btn{flex:1 1 auto;}}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:64px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,26,43,.6),rgba(10,15,28,.95));
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13px;line-height:1.8;color:var(--t3);max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--t3);font-size:13px;
  transition:all var(--ease);
}
.social-row span:hover{color:var(--primary);border-color:rgba(47,227,198,.45);}
.footer-col h4{
  font-size:15px;font-weight:700;margin-bottom:16px;color:var(--t1);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13px;color:var(--t2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col p{font-size:13px;line-height:1.8;color:var(--t3);}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;}
.foot-links a{font-size:13px;color:var(--t3);}
.foot-links a:hover{color:var(--primary);}
.to-top-inline{font-size:13px;color:var(--t2);}
.to-top-inline:hover{color:var(--primary);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ============ 返回顶部悬浮 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:90;
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass-2);border:1px solid var(--line);color:var(--primary);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:rgba(47,227,198,.5);box-shadow:var(--sh-glow);}
@media (max-width:639px){.to-top{right:14px;bottom:18px;width:40px;height:40px;}}

/* roulang page: category2 */
:root{
  --bg:#0A0F1C;
  --bg-2:#111A2B;
  --bg-3:#16223A;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.10);
  --primary:#2FE3C6;
  --primary-2:#16B8A6;
  --accent:#FF7A2F;
  --trend:#B8FF3C;
  --t1:#EAF0F8;
  --t2:#9AA7BD;
  --t3:#6B7A93;
  --line:rgba(255,255,255,.12);
  --ok:#35D07F;
  --warn:#FFB020;
  --danger:#FF5C6C;
  --radius:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(47,227,198,.45),0 8px 26px rgba(47,227,198,.28);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 620px at 6% -4%, rgba(47,227,198,.10), transparent 62%),
    radial-gradient(820px 600px at 102% 86%, rgba(255,122,47,.08), transparent 64%),
    radial-gradient(700px 520px at 58% 42%, rgba(184,255,60,.035), transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
  position:relative;
  z-index:1;
}
.container .row{max-width:none;}
@media (min-width:640px){
  .container{padding-left:24px;padding-right:24px;}
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
}
@media (min-width:1440px){
  .container{max-width:1360px;}
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,15,28,.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,28,.86);
  box-shadow:0 12px 32px rgba(0,0,0,.4);
}
.header-top-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-top-inner{height:48px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211C;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(47,227,198,.25);
  transition:width var(--ease),height var(--ease);
}
.site-header.is-scrolled .brand-mark{width:30px;height:30px;font-size:16px;}
.brand-text{
  font-size:19px;font-weight:800;color:var(--t1);
  letter-spacing:.4px;white-space:nowrap;
  transition:font-size var(--ease);
}
.site-header.is-scrolled .brand-text{font-size:17px;}
.header-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;align-items:center;gap:8px;
  height:40px;
  padding:0 6px 0 12px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.header-search i{color:var(--t3);font-size:14px;}
.header-search input{
  flex:1 1 auto;
  height:36px;
  background:transparent;
  border:0;
  color:var(--t1);
  font-size:14px;
  outline:none;
}
.header-search input::placeholder{color:var(--t3);}
.header-search:focus-within{
  border-color:rgba(47,227,198,.6);
  box-shadow:0 0 0 3px rgba(47,227,198,.14);
}
.search-btn{
  flex:0 0 auto;
  height:30px;
  padding:0 14px;
  border:0;
  border-radius:8px;
  background:rgba(47,227,198,.14);
  color:var(--primary);
  font-size:13px;
  cursor:pointer;
  transition:background var(--ease),color var(--ease);
}
.search-btn:hover{background:rgba(47,227,198,.24);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease),background var(--ease),filter var(--ease);
}
.btn-primary{
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211C;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--t1);
}
.btn-ghost:hover{
  border-color:rgba(47,227,198,.55);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-accent{
  background:var(--accent);
  color:#2A1004;
  border-radius:999px;
  box-shadow:0 10px 26px rgba(255,122,47,.28);
}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.header-cta{flex:0 0 auto;height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:42px;height:38px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--glass);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;}
.header-channels{border-top:1px solid rgba(255,255,255,.07);}
.channels-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:44px;
  transition:height var(--ease);
}
.site-header.is-scrolled .channels-inner{height:28px;}
.channel-list{display:flex;align-items:center;gap:4px;}
.channel-link{
  position:relative;
  display:inline-block;
  padding:6px 12px;
  font-size:14.5px;
  color:var(--t2);
  border-radius:8px;
  transition:color var(--ease),background var(--ease);
}
.channel-link:hover{color:var(--primary);background:rgba(47,227,198,.08);}
.channel-link.is-active{color:var(--primary);font-weight:700;}
.channel-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-2px;
  height:2px;border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(47,227,198,.85);
}
.hot-tags{display:flex;align-items:center;gap:8px;}
.hot-tags a{
  display:inline-block;
  padding:3px 10px;
  font-size:12px;
  border-radius:999px;
  border:1px solid rgba(184,255,60,.35);
  color:var(--trend);
  transition:background var(--ease),color var(--ease);
}
.hot-tags a:hover{background:rgba(184,255,60,.12);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(10,15,28,.98);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 12px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  margin-bottom:16px;
}
.drawer-search input{flex:1;height:38px;background:transparent;border:0;color:var(--t1);font-size:14px;outline:none;}
.drawer-search i{color:var(--t3);}
.drawer-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
  margin-bottom:16px;
}
.drawer-grid a{
  display:block;
  padding:11px 14px;
  font-size:14px;
  color:var(--t2);
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:color var(--ease),border-color var(--ease);
}
.drawer-grid a.is-active{color:var(--primary);border-color:rgba(47,227,198,.45);}
.drawer-tags{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;}
.drawer-tags a{
  flex:0 0 auto;
  padding:5px 12px;
  font-size:12px;
  border-radius:999px;
  border:1px solid rgba(184,255,60,.35);
  color:var(--trend);
}

/* ===== 页面首屏 ===== */
.page-hero{
  position:relative;
  padding:44px 0 60px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,26,43,.85),rgba(10,15,28,0));
  overflow:hidden;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--t2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--t3);}
.breadcrumb .current{
  color:var(--t1);
  max-width:240px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.hero-title{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;
  font-weight:800;
  margin:0 0 18px;
  letter-spacing:.5px;
}
.hero-sub{
  font-size:16px;
  color:var(--t2);
  max-width:620px;
  margin:0 0 26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-stats li{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px 16px;
  font-size:13px;
  color:var(--t3);
  min-width:132px;
}
.hero-stats strong{
  display:block;
  font-size:19px;
  font-weight:800;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.hero-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,28,0) 40%,rgba(10,15,28,.66));
}
.hero-badge{
  position:absolute;
  right:16px;bottom:16px;
  z-index:2;
  background:rgba(10,15,28,.82);
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 14px;
  font-size:13px;
  color:var(--t2);
  backdrop-filter:blur(10px);
}
.hero-badge b{display:block;color:var(--primary);font-size:15px;}

/* ===== 板块通用 ===== */
.section{padding:56px 0;}
@media (min-width:640px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-title{
  position:relative;
  font-size:clamp(22px,3vw,32px);
  line-height:1.3;
  font-weight:700;
  margin:0 0 10px;
  padding-left:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.section-desc{font-size:15px;color:var(--t2);max-width:760px;margin:0;padding-left:18px;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--primary);
  transition:gap var(--ease),color var(--ease);
}
.more-link:hover{gap:12px;color:#6BFFE4;}

/* ===== 卡片网格 ===== */
.card-grid{margin-left:-12px;margin-right:-12px;}
.card-grid .column{
  padding-left:12px;
  padding-right:12px;
  margin-bottom:24px;
}
@media (min-width:1024px){
  .card-grid{margin-left:-14px;margin-right:-14px;}
  .card-grid .column{padding-left:14px;padding-right:14px;}
}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,227,198,.32);
  box-shadow:0 16px 36px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.1);
}
.card-cover{
  position:relative;
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#16323a,#0A0F1C);
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.news-card:hover .card-cover img{transform:scale(1.04);}
.card-badge{
  position:absolute;
  left:12px;top:12px;
  z-index:2;
  padding:3px 10px;
  font-size:12px;
  border-radius:999px;
  background:rgba(47,227,198,.14);
  border:1px solid rgba(47,227,198,.35);
  color:var(--primary);
  backdrop-filter:blur(6px);
}
.card-badge.is-trend{
  background:rgba(184,255,60,.14);
  border-color:rgba(184,255,60,.38);
  color:var(--trend);
}
.card-badge.is-hot{
  background:var(--accent);
  border-color:var(--accent);
  color:#2A1004;
  animation:breathe 3.4s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 rgba(255,122,47,0);}
  50%{box-shadow:0 0 14px rgba(255,122,47,.45);}
}
.card-body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  padding:18px 20px 20px;
}
.card-title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover .card-title{color:var(--primary);}
.card-excerpt{
  font-size:14.5px;
  color:var(--t2);
  line-height:1.75;
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:14px;
}
.card-meta .go{
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap var(--ease);
}
.news-card:hover .card-meta .go{gap:10px;}

/* ===== 分页 ===== */
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px;
  margin-top:24px;
}
.page-num{
  min-width:42px;
  height:42px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--t2);
  font-size:14px;
  font-variant-numeric:tabular-nums;
  transition:all var(--ease);
}
.page-num:hover{border-color:rgba(47,227,198,.5);color:var(--primary);transform:translateY(-2px);}
.page-num.is-current{
  background:var(--primary);
  border-color:var(--primary);
  color:#04211C;
  font-weight:700;
}
.page-num.is-disabled{opacity:.4;pointer-events:none;}

/* ===== 四步节奏 ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.3);}
.step-num{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:12px;
}
.step h3{font-size:18px;font-weight:600;margin:0 0 8px;}
.step p{font-size:14px;color:var(--t2);margin:0;}
.step::after{
  content:"";
  position:absolute;
  right:-24px;top:50%;
  width:24px;height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.step:last-child::after{display:none;}

/* ===== 关注点行列表 ===== */
.focus-list{display:flex;flex-direction:column;gap:12px;}
.focus-item{
  display:flex;
  align-items:flex-start;
  gap:16px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  transition:transform var(--ease),border-color var(--ease);
}
.focus-item:hover{transform:translateY(-3px);border-color:rgba(47,227,198,.3);}
.focus-icon{
  flex:0 0 auto;
  width:42px;height:42px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(47,227,198,.12);
  color:var(--primary);
  font-size:17px;
}
.focus-item h3{font-size:17px;font-weight:600;margin:0 0 6px;}
.focus-item p{font-size:14.5px;color:var(--t2);margin:0;}
.focus-tag{
  margin-left:auto;
  flex:0 0 auto;
  align-self:center;
  padding:4px 12px;
  font-size:12px;
  border-radius:999px;
  background:rgba(184,255,60,.12);
  color:var(--trend);
  white-space:nowrap;
}

/* ===== 指标 ===== */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.metric{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.metric b{
  display:block;
  font-size:34px;
  line-height:1.1;
  font-weight:800;
  color:var(--t1);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.metric span{font-size:13px;color:var(--t3);}
.metric.is-accent b{color:var(--accent);}
.metric.is-trend b{color:var(--trend);}

/* ===== 限时条幅 ===== */
.timer-bar{
  position:relative;
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  padding:22px 26px 26px;
  background:var(--glass-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  overflow:hidden;
}
.timer-bar::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.timer{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.timer b{
  min-width:54px;
  padding:8px 10px;
  background:rgba(10,15,28,.75);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  font-size:22px;
  font-weight:800;
  text-align:center;
  color:var(--t1);
}
.timer i{color:var(--primary);font-style:normal;font-weight:800;}
.timer-text{flex:1 1 260px;font-size:15px;color:var(--t2);}
.timer-text strong{display:block;color:var(--t1);font-size:17px;margin-bottom:4px;}

/* ===== FAQ ===== */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(47,227,198,.35);}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  background:transparent;
  border:0;
  color:var(--t1);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  line-height:1.5;
}
.faq-dot{
  flex:0 0 auto;
  width:10px;height:10px;
  border-radius:2px;
  background:var(--primary);
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-dot{transform:rotate(45deg);background:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-a-inner{
  padding:0 20px 18px 44px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
}

/* ===== 表单与 CTA ===== */
.cta-panel{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:32px;
  padding:32px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:11px 14px;
  background:rgba(10,15,28,.6);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  color:var(--t1);
  font-size:15px;
  font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t2) 50%),linear-gradient(135deg,var(--t2) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,227,198,.14);
}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:6px;}
.field.has-error .err{display:block;}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.form-msg{font-size:13px;color:var(--ok);min-height:20px;}
.trust-col h3{font-size:18px;font-weight:600;margin:0 0 16px;}
.trust-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  margin-bottom:16px;
}
.trust-item i{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  background:rgba(47,227,198,.12);
  color:var(--primary);
  font-size:14px;
}
.trust-item p{margin:0;font-size:14.5px;color:var(--t2);}
.trust-item strong{display:block;color:var(--t1);font-size:15px;margin-bottom:2px;font-weight:600;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:64px;
  padding-top:56px;
  border-top:1px solid var(--line);
  background:rgba(17,26,43,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:32px;
}
.footer-brand p{font-size:14px;color:var(--t2);margin:14px 0 0;max-width:330px;}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row span{
  width:34px;height:34px;
  border-radius:10px;
  display:grid;place-items:center;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--t2);
  font-size:13px;
}
.footer-col h4{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--t1);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--t2);transition:color var(--ease);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:var(--t2);margin:0;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  margin-top:44px;
  padding:18px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
.foot-links{display:flex;gap:16px;flex-wrap:wrap;}
.foot-links a{color:var(--t3);transition:color var(--ease);}
.foot-links a:hover{color:var(--primary);}
.to-top-inline{color:var(--t3);transition:color var(--ease);}
.to-top-inline:hover{color:var(--primary);}
.to-top-fab{
  position:fixed;
  right:20px;bottom:24px;
  width:46px;height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(22,34,58,.92);
  color:var(--primary);
  display:grid;place-items:center;
  cursor:pointer;
  z-index:50;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all var(--ease);
}
.to-top-fab.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top-fab:hover{border-color:rgba(47,227,198,.5);box-shadow:0 0 0 1px rgba(47,227,198,.3),0 8px 22px rgba(47,227,198,.2);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .metrics{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .header-search{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
  .channels-inner{height:40px;}
  .channel-list,.hot-tags{display:none;}
  .site-header.is-scrolled .channels-inner{height:34px;}
  .site-header.is-scrolled .header-top-inner{height:56px;}
  .hero-visual{margin-top:32px;}
  .cta-panel{grid-template-columns:1fr;padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
  .page-hero{padding:28px 0 44px;}
  .hero-stats li{flex:1 1 44%;min-width:0;}
  .steps{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .focus-item{flex-wrap:wrap;}
  .focus-tag{margin-left:0;}
  .timer b{min-width:44px;font-size:18px;}
  .timer-bar{padding:18px 18px 22px;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .container{padding-left:16px;padding-right:16px;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0F1C; --bg-2:#111A2B; --bg-3:#16223A;
  --glass:rgba(255,255,255,.06); --glass-2:rgba(255,255,255,.10);
  --primary:#2FE3C6; --primary-2:#16B8A6; --accent:#FF7A2F; --trend:#B8FF3C;
  --t1:#EAF0F8; --t2:#9AA7BD; --t3:#6B7A93; --line:rgba(255,255,255,.12);
  --ok:#35D07F; --warn:#FFB020; --danger:#FF5C6C;
  --r-card:16px; --r-panel:20px; --r-input:10px; --r-img:12px;
  --sh:0 10px 30px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(47,227,198,.45), 0 8px 26px rgba(47,227,198,.28);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:15px;line-height:1.8;letter-spacing:.01em;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(680px 520px at 6% -8%, rgba(47,227,198,.16), transparent 62%),
    radial-gradient(760px 560px at 98% 6%, rgba(255,122,47,.10), transparent 66%),
    radial-gradient(900px 720px at 52% 108%, rgba(184,255,60,.055), transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:58px 58px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1440px){.container{max-width:1360px}}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row .column,.row .columns{padding-left:12px;padding-right:12px}
@media (min-width:1024px){.row{margin-left:-14px;margin-right:-14px}.row .column,.row .columns{padding-left:14px;padding-right:14px}}
.site-header,.page-main,.site-footer{position:relative;z-index:2}

/* ============ 吸顶导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,15,28,.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .22s ease-out,box-shadow .22s ease-out;
}
.site-header.is-stuck{background:rgba(10,15,28,.86);backdrop-filter:blur(16px);box-shadow:0 12px 30px rgba(0,0,0,.42)}
.top-inner{display:flex;align-items:center;gap:16px;padding:14px 0;transition:padding .22s ease-out}
.site-header.is-stuck .top-inner{padding:8px 0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  color:#04201C;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(47,227,198,.32);
}
.brand-text{font-size:17px;font-weight:800;color:var(--t1);white-space:nowrap;letter-spacing:.02em}
.brand:hover .brand-text{color:var(--primary)}
.search-box{
  flex:1;min-width:0;max-width:420px;margin:0;
  display:flex;align-items:center;gap:10px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;height:42px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,198,.14)}
.search-box i{color:var(--t3);font-size:14px}
.search-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--t1);height:100%;
}
.search-box input::placeholder{color:var(--t3)}
.top-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-input);
  background:var(--glass);border:1px solid var(--line);flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:.2s ease-out}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.header-channels{border-top:1px solid rgba(255,255,255,.06)}
.channels-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 0 10px}
.channel-list{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.channel-link{
  position:relative;display:inline-block;padding:12px 0 6px;
  font-size:15px;font-weight:500;color:var(--t2);
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);opacity:0;box-shadow:0 0 10px rgba(47,227,198,.7);transition:opacity .2s ease-out;
}
.channel-link:hover{color:var(--t1)}
.channel-link.is-active{color:var(--primary);font-weight:700}
.channel-link.is-active::after{opacity:1}
.hot-tags{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:6px}
.hot-tags::-webkit-scrollbar{display:none}
.hot-tags a{
  display:inline-block;white-space:nowrap;font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;
  color:var(--trend);border:1px solid rgba(184,255,60,.38);background:rgba(184,255,60,.08);
  transition:.2s ease-out;
}
.hot-tags a:hover{background:rgba(184,255,60,.16);color:var(--trend)}

.mobile-drawer{display:none}
@media (max-width:1023px){
  .search-box,.top-actions .btn{display:none}
  .menu-toggle{display:flex}
  .header-channels{display:none}
  .mobile-drawer.is-open{
    display:block;position:fixed;top:0;left:0;right:0;z-index:119;
    background:rgba(10,15,28,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:76px 16px 24px;max-height:100vh;overflow-y:auto;
    animation:drawerIn .22s ease-out;
  }
  @keyframes drawerIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
  .drawer-search{display:flex;max-width:none;margin-bottom:18px}
  .drawer-channels{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}
  .drawer-channels a{
    display:block;padding:12px 14px;border-radius:var(--r-input);
    background:var(--glass);border:1px solid var(--line);font-size:14px;color:var(--t2);
  }
  .drawer-channels a.is-active{color:var(--primary);border-color:rgba(47,227,198,.5);background:rgba(47,227,198,.10)}
  .drawer-tags{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
  .drawer-tags::-webkit-scrollbar{display:none}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-input);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04201C;box-shadow:var(--glow)}
.btn-primary:hover{color:#04201C;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,198,.6),0 12px 32px rgba(47,227,198,.38);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--glass);border-color:rgba(47,227,198,.45);color:var(--primary)}
.btn-ghost:hover{background:rgba(47,227,198,.12);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#2A0F02;box-shadow:0 8px 24px rgba(255,122,47,.3)}
.btn-accent:hover{background:#FF8C4C;color:#2A0F02;transform:translateY(-2px)}
.btn-pill{border-radius:999px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px}
.btn-text i{transition:transform .2s ease-out}
.btn-text:hover i{transform:translateX(3px)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);padding:20px 0 0}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--t3);opacity:.6}
.breadcrumb .current{color:var(--t1)}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:36px 0 56px}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(10,15,28,.82),rgba(10,15,28,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.9;
}
.page-hero .container{position:relative;z-index:1}
.hero-row{margin-top:18px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--primary);
  background:rgba(47,227,198,.10);border:1px solid rgba(47,227,198,.32);
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;
  margin-bottom:16px;letter-spacing:.01em;
}
.page-hero h1 .hl{color:var(--primary)}
.hero-sub{font-size:16px;color:var(--t2);max-width:620px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats li{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px 18px;min-width:150px;
}
.hero-stats .num{display:block;font-family:"Rajdhani",sans-serif;font-size:26px;font-weight:700;color:var(--primary);line-height:1.1}
.hero-stats .lab{font-size:12px;color:var(--t3)}
.hero-visual{position:relative;margin-top:32px}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-panel);
  border:1px solid var(--line);box-shadow:var(--sh);
}
.hero-tag-card{
  position:absolute;right:-4px;bottom:-18px;
  background:rgba(17,26,43,.92);backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r-card);padding:14px 18px;
  box-shadow:var(--sh);min-width:200px;
}
.hero-tag-card .tag-title{font-size:12px;color:var(--t3);margin-bottom:6px}
.hero-tag-card .tag-num{font-family:"Rajdhani",sans-serif;font-size:24px;font-weight:700;color:var(--accent);line-height:1.1}
@media (max-width:1023px){.hero-tag-card{position:static;margin-top:16px;display:inline-block}}

/* ============ 板块通用 ============ */
.section{padding:56px 0}
@media (min-width:640px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{
  position:relative;font-size:clamp(22px,2.6vw,32px);font-weight:700;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.section-head p{color:var(--t2);font-size:14px;margin:8px 0 0 16px;max-width:720px}
.section-alt{background:linear-gradient(180deg,rgba(22,34,58,.55),rgba(10,15,28,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 榜单说明条 ============ */
.notice-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;margin-bottom:28px;
}
.notice-bar .nb-left{display:flex;align-items:center;gap:12px;color:var(--t2);font-size:14px}
.notice-bar .nb-left i{color:var(--trend)}
.notice-bar .nb-right{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3)}

/* ============ 排行列表 ============ */
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-row{
  display:flex;align-items:flex-start;gap:20px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.rank-row:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.32);background:var(--glass-2)}
.rank-row.is-top1{border-color:rgba(47,227,198,.55);box-shadow:0 0 0 1px rgba(47,227,198,.22),0 12px 34px rgba(47,227,198,.14)}
.rank-row.is-top2,.rank-row.is-top3{border-color:rgba(184,255,60,.42);box-shadow:0 0 0 1px rgba(184,255,60,.14)}
.rank-num{
  font-family:"Rajdhani",sans-serif;font-size:40px;font-weight:700;line-height:1;
  color:rgba(255,255,255,.16);flex-shrink:0;min-width:56px;padding-top:4px;
}
.rank-row.is-top1 .rank-num{color:var(--primary)}
.rank-row.is-top2 .rank-num,.rank-row.is-top3 .rank-num{color:var(--trend)}
.rank-main{flex:1;min-width:0}
.rank-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.rank-head h3{font-size:18px;font-weight:600}
.rank-main p{font-size:14px;color:var(--t2);margin-bottom:12px}
.rank-meta{display:flex;flex-wrap:wrap;gap:8px}
.rank-meta span{
  font-size:12px;color:var(--t3);background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.07);border-radius:8px;padding:4px 10px;
}
.rank-action{align-self:center}

.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;line-height:1;
  padding:6px 10px;border-radius:999px;font-weight:600;white-space:nowrap;
}
.badge-primary{background:rgba(47,227,198,.12);color:var(--primary);border:1px solid rgba(47,227,198,.28)}
.badge-trend{background:rgba(184,255,60,.12);color:var(--trend);border:1px solid rgba(184,255,60,.3)}
.badge-hot{background:var(--accent);color:#2A0F02;border:1px solid transparent;animation:breathe 2.4s ease-in-out infinite}
.badge-neutral{background:rgba(255,255,255,.06);color:var(--t2);border:1px solid var(--line)}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.78}}
@media (max-width:639px){
  .rank-row{flex-wrap:wrap;gap:12px;padding:18px}
  .rank-num{font-size:32px;min-width:44px}
  .rank-action{width:100%;justify-content:center;order:3}
}

/* ============ 流程步骤 ============ */
.step-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.step-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,1fr)}}
.step-card{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px;transition:transform .22s ease-out,border-color .22s ease-out;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.32)}
.step-card::before{
  content:"";position:absolute;left:22px;top:0;width:34px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.step-idx{font-family:"Rajdhani",sans-serif;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.12em;margin-bottom:10px;display:block}
.step-card h3{font-size:17px;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--t2);margin:0}

/* ============ 核对清单 ============ */
.check-list{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:1024px){.check-list{grid-template-columns:repeat(3,1fr)}}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
}
.check-item i{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(47,227,198,.12);color:var(--primary);font-size:15px;
}
.check-item h3{font-size:16px;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--t2);margin:0}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease-out;
}
.faq-item.is-open{border-color:rgba(47,227,198,.42)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;color:var(--t1);
  min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q .faq-mark{
  width:16px;height:16px;flex-shrink:0;position:relative;transition:transform .2s ease-out;
}
.faq-q .faq-mark::before,.faq-q .faq-mark::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-q .faq-mark::before{left:0;right:0;top:7px;height:2px}
.faq-q .faq-mark::after{top:0;bottom:0;left:7px;width:2px}
.faq-item.is-open .faq-mark{transform:rotate(45deg)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out}
.faq-a p{padding:0 20px 18px 50px;font-size:15px;color:var(--t2);margin:0}
@media (max-width:639px){.faq-a p{padding-left:20px}}

/* ============ CTA 条幅 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(47,227,198,.14),rgba(255,122,47,.12)),var(--bg-3);
  border:1px solid var(--line);border-radius:var(--r-panel);
  padding:36px 28px;display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:8px}
.cta-band p{color:var(--t2);font-size:14px;margin:0;max-width:560px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:rgba(17,26,43,.6);margin-top:56px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 36px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--t2);max-width:340px}
.social-row{display:flex;gap:10px;margin-top:16px}
.social-row span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);font-size:13px;
}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13px;color:var(--t2)}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:13px;color:var(--t2);margin:0}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--t3);
}
.foot-links{display:flex;gap:16px;flex-wrap:wrap}
.foot-links a{color:var(--t3)}
.foot-links a:hover{color:var(--primary)}
.to-top-inline{color:var(--t3)}
.to-top-inline:hover{color:var(--primary)}

.to-top-float{
  position:fixed;right:18px;bottom:24px;z-index:130;
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(22,34,58,.9);border:1px solid var(--line);color:var(--primary);
  box-shadow:var(--sh);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.22s ease-out;
}
.to-top-float.is-show{opacity:1;visibility:visible;transform:none}
.to-top-float:hover{background:rgba(47,227,198,.14);border-color:rgba(47,227,198,.4)}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg:#0A0F1C;
  --bg-2:#111A2B;
  --bg-3:#16223A;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.10);
  --primary:#2FE3C6;
  --primary-2:#16B8A6;
  --accent:#FF7A2F;
  --trend:#B8FF3C;
  --t1:#EAF0F8;
  --t2:#9AA7BD;
  --t3:#6B7A93;
  --line:rgba(255,255,255,.12);
  --success:#35D07F;
  --warn:#FFB020;
  --danger:#FF5C6C;
  --r-card:16px;
  --r-panel:20px;
  --r-input:10px;
  --r-img:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 22px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(47,227,198,.45),0 8px 26px rgba(47,227,198,.28);
  --ease:200ms cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background-color:var(--bg);
  background-image:
    radial-gradient(880px 620px at 4% -8%, rgba(47,227,198,.16), transparent 62%),
    radial-gradient(760px 540px at 100% 6%, rgba(255,122,47,.11), transparent 64%),
    radial-gradient(900px 700px at 50% 118%, rgba(184,255,60,.06), transparent 68%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
body>*{position:relative;z-index:1;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--t1);letter-spacing:.2px;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:var(--t1);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--t1);}
::selection{background:rgba(47,227,198,.3);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* ============ 栅格容器覆盖 ============ */
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row .column,.row .columns{padding-left:12px;padding-right:12px;}
.row.align-middle{align-items:center;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section--deep{padding:96px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{
  position:relative;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 14px rgba(47,227,198,.5);
}
.section-head p{margin-top:10px;color:var(--t2);font-size:15px;max-width:820px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-more{font-size:14px;color:var(--t2);display:inline-flex;align-items:center;gap:8px;}
.link-more i{transition:transform var(--ease);}
.link-more:hover{color:var(--primary);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border-radius:var(--r-input);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04120F;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04120F;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(47,227,198,.55),0 12px 32px rgba(47,227,198,.36);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  color:var(--t1);
  border-color:rgba(47,227,198,.45);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{
  color:var(--primary);
  border-color:var(--primary);
  background:var(--glass-2);
  transform:translateY(-2px);
}
.btn-accent{
  background:linear-gradient(135deg,#FF8F4D,var(--accent));
  color:#1A0A00;
  box-shadow:0 8px 24px rgba(255,122,47,.32);
}
.btn-accent:hover{
  color:#1A0A00;
  filter:brightness(1.07);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn:disabled,.btn.is-loading{opacity:.6;pointer-events:none;}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  font-size:12px;
  font-weight:700;
  border-radius:999px;
  background:rgba(47,227,198,.12);
  color:var(--primary);
  border:1px solid rgba(47,227,198,.22);
  line-height:1.6;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  font-size:12px;
  border-radius:999px;
  background:var(--glass);
  color:var(--t2);
  border:1px solid var(--line);
  line-height:1.6;
  transition:color var(--ease),border-color var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(47,227,198,.45);}
.tag-trend{
  background:rgba(184,255,60,.12);
  color:var(--trend);
  border-color:rgba(184,255,60,.3);
}
.tag-hot{
  background:var(--accent);
  color:#1A0A00;
  border-color:transparent;
  font-weight:700;
}
.tag-soft{background:rgba(255,255,255,.05);color:var(--t2);border-color:transparent;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(10,15,28,.72);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,15,28,.9);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.header-brand-row{
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:padding var(--ease);
  padding:14px 0;
}
.site-header.is-scrolled .header-brand-row{padding:7px 0;}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04120F;
  font-size:19px;
  font-weight:900;
  box-shadow:0 6px 20px rgba(47,227,198,.34);
  transition:width var(--ease),height var(--ease);
}
.site-header.is-scrolled .brand-mark{width:32px;height:32px;font-size:16px;}
.brand-text{
  font-size:19px;
  font-weight:900;
  letter-spacing:.6px;
  background:linear-gradient(120deg,#FFFFFF 20%,var(--primary) 90%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  white-space:nowrap;
  transition:font-size var(--ease);
}
.site-header.is-scrolled .brand-text{font-size:17px;}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:0 14px;
  height:42px;
  width:280px;
  transition:border-color var(--ease),box-shadow var(--ease),width var(--ease);
}
.search-box i{color:var(--t3);font-size:14px;margin-right:10px;}
.search-box input{
  flex:1;
  background:transparent;
  border:0;
  outline:none;
  color:var(--t1);
  font-size:14px;
  height:100%;
  min-width:0;
}
.search-box input::placeholder{color:var(--t3);}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,227,198,.14);
}
.hamburger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-input);
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--t1);
  transition:transform var(--ease),opacity var(--ease);
}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.header-channels{transition:padding var(--ease);}
.channels-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-top:6px;
  padding-bottom:6px;
}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.channel-link{
  position:relative;
  display:block;
  padding:9px 14px;
  font-size:15px;
  color:var(--t2);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.channel-link:hover{color:var(--t1);background:var(--glass);}
.channel-link.is-active{color:var(--primary);font-weight:700;}
.channel-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(47,227,198,.85);
}
.hot-tags{display:flex;align-items:center;gap:8px;}
.hot-tags a{
  display:block;
  padding:4px 12px;
  font-size:12px;
  border-radius:999px;
  border:1px solid rgba(184,255,60,.28);
  color:var(--trend);
  background:rgba(184,255,60,.08);
  transition:background var(--ease),color var(--ease);
}
.hot-tags a:hover{background:rgba(184,255,60,.18);color:var(--trend);}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(10,15,28,.97);
  backdrop-filter:blur(16px);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .search-box{width:100%;margin-bottom:16px;}
.drawer-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
  margin-bottom:16px;
}
.drawer-grid a{
  padding:12px 14px;
  border-radius:var(--r-input);
  background:var(--glass);
  border:1px solid var(--line);
  font-size:15px;
  color:var(--t2);
}
.drawer-grid a.is-active{color:var(--primary);border-color:rgba(47,227,198,.45);background:rgba(47,227,198,.08);}
.drawer-tags{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:none;
}
.drawer-tags::-webkit-scrollbar{display:none;}

/* ============ 面包屑 ============ */
.crumbs{padding:18px 0 0;}
.crumbs ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap;}
.crumbs a{color:var(--t2);}
.crumbs a:hover{color:var(--primary);}
.crumbs li::after{content:"/";margin-left:8px;color:var(--t3);}
.crumbs li:last-child::after{display:none;}
.crumbs li[aria-current]{color:var(--primary);font-weight:700;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
}
.page-hero__bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  opacity:.5;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:
    linear-gradient(100deg,rgba(10,15,28,.95) 8%,rgba(10,15,28,.78) 46%,rgba(10,15,28,.62) 100%),
    linear-gradient(180deg,rgba(10,15,28,.6),rgba(10,15,28,.96));
}
.page-hero__inner{
  position:relative;
  z-index:2;
  padding-top:64px;
  padding-bottom:64px;
}
.hero-kicker{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;
  font-weight:900;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--trend));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--t2);
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.hero-metrics{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.metric-chip{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:10px 16px;
  border-radius:var(--r-input);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.metric-chip b{
  font-family:"Rajdhani",sans-serif;
  font-size:22px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.5px;
}
.metric-chip span{font-size:13px;color:var(--t2);}

/* Hero 侧卡 */
.hero-side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-lg);
  padding:24px;
}
.hero-side-card h2{
  font-size:17px;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-side-card h2 i{color:var(--primary);font-size:15px;}
.side-list{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.side-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.1);
  font-size:14px;
  color:var(--t2);
  line-height:1.65;
}
.side-list li:last-child{border-bottom:0;}
.side-list i{color:var(--primary);font-size:12px;margin-top:6px;}
.side-list b{color:var(--t1);font-weight:700;}
.side-note{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.side-note i{color:var(--trend);}

/* ============ 正文布局 ============ */
.doc-layout{padding:64px 0 0;}
/* 目录 */
.toc-card{
  position:sticky;
  top:132px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  padding:22px;
  margin-bottom:20px;
}
.toc-title{
  font-size:13px;
  letter-spacing:2px;
  color:var(--t3);
  margin:0 0 14px;
  text-transform:uppercase;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  padding:9px 12px;
  font-size:14px;
  color:var(--t2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:all var(--ease);
}
.toc-list a:hover{color:var(--t1);background:var(--glass);}
.toc-list a.is-active{
  color:var(--primary);
  border-left-color:var(--primary);
  background:rgba(47,227,198,.08);
  font-weight:700;
}
.toc-extra{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.toc-extra p{
  font-size:13px;
  color:var(--t2);
  margin:10px 0 0;
  line-height:1.7;
}
.toc-channels{display:flex;flex-direction:column;gap:10px;}
.toc-channel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 14px;
  border-radius:var(--r-input);
  background:var(--glass);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--t2);
  transition:all var(--ease);
}
.toc-channel i{font-size:12px;color:var(--t3);}
.toc-channel:hover{
  color:var(--primary);
  border-color:rgba(47,227,198,.4);
  transform:translateX(4px);
}
.toc-channel:hover i{color:var(--primary);}
.toc-side-title{
  font-size:13px;
  letter-spacing:2px;
  color:var(--t3);
  margin:6px 0 12px;
}

/* 长文 */
.doc-body{
  max-width:820px;
  font-size:16px;
  line-height:1.9;
  color:var(--t2);
}
.doc-body h2{
  position:relative;
  font-size:clamp(21px,2.2vw,28px);
  line-height:1.35;
  color:var(--t1);
  margin:56px 0 18px;
  padding-left:16px;
  scroll-margin-top:130px;
}
.doc-body h2:first-child{margin-top:0;}
.doc-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.16em;bottom:.16em;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(47,227,198,.5);
}
.doc-body h3{
  font-size:18px;
  color:var(--t1);
  margin:28px 0 12px;
}
.doc-body strong{color:var(--t1);font-weight:700;}
.doc-body p{margin-bottom:1.2em;}

.doc-quote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  color:var(--t1);
  font-size:15px;
  line-height:1.8;
}
.doc-quote span{display:block;margin-top:8px;font-size:13px;color:var(--t3);}

.doc-list{margin:18px 0 24px;display:flex;flex-direction:column;gap:10px;}
.doc-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.8;
}
.doc-list li::before{
  content:"";
  position:absolute;
  left:6px;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(47,227,198,.6);
}
.doc-list--num{counter-reset:docnum;}
.doc-list--num li{padding-left:34px;}
.doc-list--num li::before{
  counter-increment:docnum;
  content:counter(docnum);
  left:0;top:.42em;
  width:22px;height:22px;
  border-radius:7px;
  background:rgba(47,227,198,.14);
  border:1px solid rgba(47,227,198,.3);
  box-shadow:none;
  color:var(--primary);
  font-family:"Rajdhani",sans-serif;
  font-size:13px;
  font-weight:700;
  line-height:20px;
  text-align:center;
}

.doc-figure{margin:26px 0;}
.doc-figure img{
  width:100%;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  aspect-ratio:16/9;
  object-fit:cover;
}
.doc-figure figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--t3);
  text-align:center;
}

/* 表格 */
.table-wrap{
  margin:22px 0;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
table.data-table{
  width:100%;
  min-width:560px;
  border-collapse:collapse;
  font-size:14px;
}
table.data-table th{
  text-align:left;
  padding:14px 18px;
  background:var(--glass-2);
  color:var(--t1);
  font-weight:700;
  white-space:nowrap;
  border-bottom:1px solid var(--line);
  font-size:13px;
  letter-spacing:.5px;
}
table.data-table td{
  padding:14px 18px;
  color:var(--t2);
  border-bottom:1px solid rgba(255,255,255,.07);
  vertical-align:top;
}
table.data-table tr:last-child td{border-bottom:0;}
table.data-table tbody tr:hover td{background:rgba(47,227,198,.05);}
table.data-table td:first-child{color:var(--t1);font-weight:700;white-space:nowrap;}

/* 时间线 */
.timeline{
  margin:24px 0 12px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.timeline-item{
  position:relative;
  padding:18px 20px 18px 62px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color var(--ease),transform var(--ease);
}
.timeline-item:hover{border-color:rgba(47,227,198,.35);transform:translateY(-2px);}
.timeline-item::before{
  content:attr(data-step);
  position:absolute;
  left:18px;top:18px;
  width:32px;height:32px;
  border-radius:10px;
  background:rgba(47,227,198,.14);
  border:1px solid rgba(47,227,198,.32);
  color:var(--primary);
  font-family:"Rajdhani",sans-serif;
  font-size:16px;
  font-weight:700;
  line-height:30px;
  text-align:center;
}
.timeline-item h3{
  margin:0 0 6px;
  font-size:16px;
  color:var(--t1);
}
.timeline-item p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
}

/* 误区小卡 */
.mistake-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin:22px 0 8px;
}
.mistake-card{
  padding:16px 18px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.mistake-card:hover{border-color:rgba(255,122,47,.4);transform:translateY(-3px);}
.mistake-card h3{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 8px;
  font-size:15px;
  color:var(--t1);
}
.mistake-card h3 i{color:var(--accent);font-size:13px;}
.mistake-card p{margin:0;font-size:14px;line-height:1.75;color:var(--t2);}

/* ============ FAQ 手风琴 ============ */
.faq-group{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(47,227,198,.4);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:56px;
  padding:14px 20px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:15.5px;
  font-weight:700;
  color:var(--t1);
  line-height:1.6;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-mark{
  position:relative;
  flex-shrink:0;
  width:18px;height:18px;
  border-radius:5px;
  background:rgba(47,227,198,.14);
  border:1px solid rgba(47,227,198,.34);
  transition:transform var(--ease),background var(--ease);
}
.faq-q .faq-mark::before,
.faq-q .faq-mark::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .faq-mark::before{width:8px;height:2px;}
.faq-q .faq-mark::after{width:2px;height:8px;}
.faq-item.is-open .faq-mark{transform:rotate(135deg);background:rgba(47,227,198,.28);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-a-inner{
  padding:0 20px 18px 52px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
}

/* ============ CTA 条幅 ============ */
.cta-band{
  margin:72px 0 0;
  border-radius:var(--r-panel);
  border:1px solid rgba(47,227,198,.28);
  background:
    radial-gradient(520px 260px at 8% 0%, rgba(47,227,198,.18), transparent 68%),
    radial-gradient(420px 240px at 100% 100%, rgba(255,122,47,.14), transparent 70%),
    var(--bg-3);
  padding:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-lg);
  overflow:hidden;
  position:relative;
}
.cta-band__text h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-band__text p{color:var(--t2);font-size:15px;margin:0;max-width:560px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(17,26,43,.7),rgba(10,15,28,.96));
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t2);line-height:1.8;max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row span{
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--t2);
  font-size:14px;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--t1);
  letter-spacing:.5px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--t2);}
.footer-col li a:hover{color:var(--primary);}
.footer-col p{font-size:13.5px;color:var(--t2);line-height:1.8;margin:0;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;}
.foot-links a{color:var(--t2);font-size:13px;}
.foot-links a:hover{color:var(--primary);}
.to-top-inline{color:var(--primary);font-size:13px;}

/* 返回顶部悬浮 */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  width:46px;height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:rgba(47,227,198,.16);
  border:1px solid rgba(47,227,198,.4);
  color:var(--primary);
  backdrop-filter:blur(14px);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(47,227,198,.28);color:var(--primary);}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1360px;}
}
@media (max-width:1023px){
  .container{padding-left:20px;padding-right:20px;}
  .search-box{width:200px;}
  .hot-tags{display:none;}
  .toc-card{position:static;top:auto;}
  .doc-layout{padding-top:48px;}
  .page-hero__inner{padding-top:48px;padding-bottom:48px;}
  .section--deep{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .hamburger{display:flex;}
  .search-box.desktop-only{display:none;}
  .header-tools .btn-primary{display:none;}
  .channels-inner{flex-direction:column;align-items:stretch;gap:8px;padding-top:8px;padding-bottom:10px;}
  .channel-list{
    overflow-x:auto;
    flex-wrap:nowrap;
    gap:2px;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .channel-list::-webkit-scrollbar{display:none;}
  .channel-link{white-space:nowrap;font-size:14px;padding:8px 12px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .mistake-grid{grid-template-columns:1fr;}
  .doc-body{font-size:15.5px;}
  .cta-band{padding:24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:519px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
  .section{padding:56px 0;}
  .section--deep{padding:56px 0;}
  .page-hero__inner{padding-top:36px;padding-bottom:40px;}
  .metric-chip{padding:8px 12px;}
  .metric-chip b{font-size:19px;}
  .toc-card,.hero-side-card{padding:18px;}
  .timeline-item{padding:16px 16px 16px 56px;}
  .faq-q{padding:12px 16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 16px 48px;}
}

/* roulang page: category5 */
:root{
  --bg:#0A0F1C;
  --bg-2:#111A2B;
  --bg-3:#16223A;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.10);
  --primary:#2FE3C6;
  --primary-2:#16B8A6;
  --accent:#FF7A2F;
  --trend:#B8FF3C;
  --t1:#EAF0F8;
  --t2:#9AA7BD;
  --t3:#6B7A93;
  --line:rgba(255,255,255,.12);
  --ok:#35D07F;
  --warn:#FFB020;
  --danger:#FF5C6C;
  --r-card:16px;
  --r-panel:20px;
  --r-input:10px;
  --r-img:12px;
  --sh:0 10px 30px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(47,227,198,.45),0 8px 26px rgba(47,227,198,.28);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 8% 6%,rgba(47,227,198,.14),transparent 68%),
    radial-gradient(620px 460px at 92% 84%,rgba(255,122,47,.12),transparent 70%),
    radial-gradient(520px 380px at 60% 40%,rgba(184,255,60,.05),transparent 72%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
  position:relative;
  z-index:2;
}
@media screen and (min-width:640px){.container{padding-left:24px;padding-right:24px;}}
@media screen and (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
@media screen and (min-width:1440px){.container{max-width:1360px;}}

.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row .column{padding-left:12px;padding-right:12px;}
@media screen and (min-width:1024px){.row{margin-left:-14px;margin-right:-14px;}.row .column{padding-left:14px;padding-right:14px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04140F;
  box-shadow:var(--sh-glow);
}
.btn-primary:hover{color:#04140F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,198,.6),0 14px 34px rgba(47,227,198,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border-color:rgba(47,227,198,.36);
  color:var(--t1);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);background:var(--glass-2);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#E85A12);
  color:#fff;
  box-shadow:0 10px 26px rgba(255,122,47,.3);
}
.btn-accent:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:700;font-size:15px;
}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover{color:var(--primary);}
.btn-text:hover i{transform:translateX(4px);}
.btn:disabled,.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.6;
}
.badge-primary{background:rgba(47,227,198,.12);color:var(--primary);}
.badge-trend{background:rgba(184,255,60,.12);color:var(--trend);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-muted{background:rgba(255,255,255,.08);color:var(--t2);}
.pulse{animation:breathe 2.6s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1;}50%{opacity:.72;}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,15,28,.74);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.site-header.is-compact{background:rgba(10,15,28,.9);}
.topbar{padding:14px 0;transition:padding var(--ease);}
.site-header.is-compact .topbar{padding:8px 0;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04140F;font-weight:900;font-size:19px;
  box-shadow:0 6px 18px rgba(47,227,198,.3);
}
.brand-text{font-size:18px;font-weight:900;letter-spacing:.4px;color:var(--t1);white-space:nowrap;}
.brand:hover .brand-text{color:var(--primary);}
.topbar-right{display:flex;align-items:center;gap:12px;flex:1;justify-content:flex-end;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:6px 6px 6px 14px;
  max-width:340px;width:100%;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,198,.14);}
.search-box i{color:var(--t3);font-size:14px;}
.search-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  font-size:14px;color:var(--t1);padding:6px 0;
}
.search-box input::placeholder{color:var(--t3);}
.search-box button{
  border:0;border-radius:8px;padding:7px 14px;
  background:rgba(47,227,198,.14);color:var(--primary);
  font-size:13px;font-weight:700;cursor:pointer;
  transition:background-color var(--ease),color var(--ease);
}
.search-box button:hover{background:var(--primary);color:#04140F;}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--t1);cursor:pointer;font-size:17px;
  transition:border-color var(--ease),color var(--ease);
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}
.header-channels{
  border-top:1px solid var(--line);
  background:rgba(17,26,43,.5);
  transition:padding var(--ease);
}
.channels-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:52px;}
.site-header.is-compact .channels-inner{min-height:42px;}
.channel-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.channel-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--t2);
}
.channel-link:hover{color:var(--t1);background:var(--glass);}
.channel-link.is-active{color:var(--primary);font-weight:700;}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 12px rgba(47,227,198,.8);
}
.hot-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hot-tags a{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:var(--trend);
  border:1px solid rgba(184,255,60,.3);
  background:rgba(184,255,60,.07);
}
.hot-tags a:hover{background:rgba(184,255,60,.16);color:var(--trend);}
.mobile-drawer{display:none;}
@media screen and (max-width:1023px){
  .header-channels{display:none;}
  .menu-toggle{display:inline-grid;place-items:center;}
  .search-box{display:none;}
  .site-header.is-open .mobile-drawer{
    display:block;
    border-top:1px solid var(--line);
    background:rgba(10,15,28,.97);
    padding:18px 0 24px;
  }
  .mobile-drawer .m-search{display:flex;margin:0 0 16px;max-width:none;}
  .m-channels{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
  .m-channels a{
    padding:12px 14px;border-radius:12px;
    background:var(--glass);border:1px solid var(--line);
    font-size:14.5px;color:var(--t1);
  }
  .m-channels a.is-active{border-color:var(--primary);color:var(--primary);background:rgba(47,227,198,.1);}
  .m-tags{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;}
  .m-tags a{flex:none;padding:6px 14px;border-radius:999px;font-size:12.5px;background:rgba(184,255,60,.08);border:1px solid rgba(184,255,60,.28);color:var(--trend);}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);margin-bottom:20px;
}
.breadcrumb a{color:var(--t2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:var(--t3);}
.crumb-current{color:var(--t1);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:36px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(115deg,rgba(10,15,28,.94) 8%,rgba(10,15,28,.72) 48%,rgba(10,15,28,.9) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.hero-row{margin-top:8px;}
.hero-title-block h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;
  font-weight:800;
  margin:16px 0 14px;
  letter-spacing:.5px;
}
.hero-sub{
  font-size:clamp(15px,1.5vw,18px);
  color:var(--t2);
  max-width:640px;
  margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics li{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px 18px;
  min-width:132px;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-metrics strong{
  display:block;
  font-family:"Rajdhani","Noto Sans SC",sans-serif;
  font-size:24px;font-weight:700;color:var(--primary);line-height:1.2;
}
.hero-metrics span{font-size:12.5px;color:var(--t3);}
.hero-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:22px;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh);
}
.hero-card-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.hero-card-title{font-size:15px;font-weight:700;color:var(--t1);}
.countdown{display:flex;align-items:center;gap:8px;margin-bottom:18px;}
.cd-block{
  flex:1;text-align:center;
  background:rgba(10,15,28,.55);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px 4px;
}
.cd-block strong{
  display:block;
  font-family:"Rajdhani","Noto Sans SC",sans-serif;
  font-size:30px;font-weight:700;color:var(--primary);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.cd-block span{font-size:11.5px;color:var(--t3);}
.cd-sep{font-family:"Rajdhani",sans-serif;font-size:24px;color:var(--t3);}
.hero-card-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:10px 0;border-top:1px dashed rgba(255,255,255,.1);
  font-size:13.5px;
}
.hero-card-list li:first-child{border-top:0;}
.hero-card-list span{color:var(--t3);flex:none;}
.hero-card-list b{color:var(--t1);font-weight:600;text-align:right;}
.hero-card-foot{margin-top:16px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.hero-card-foot img{width:100%;height:118px;object-fit:cover;}

/* ============ 状态条 ============ */
.status-strip{
  background:linear-gradient(90deg,rgba(47,227,198,.12),rgba(255,122,47,.08));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.status-strip-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:14px 0;font-size:13.5px;color:var(--t2);}
.status-dot{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:700;
}
.status-dot::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 4px rgba(47,227,198,.18);
  animation:breathe 2.2s ease-in-out infinite;
}
.status-strip .sep{flex:1;min-width:120px;height:1px;background:var(--line);}
@media screen and (max-width:639px){.status-strip .sep{display:none;}}

/* ============ 板块 ============ */
.section{padding:56px 0;position:relative;}
@media screen and (min-width:640px){.section{padding:72px 0;}}
@media screen and (min-width:1024px){.section{padding:96px 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:32px;
}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
}
.section-head .sub{margin-top:8px;color:var(--t2);font-size:14.5px;max-width:720px;}
.section-head-inner{max-width:760px;}
.more-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--primary);}
.more-link i{transition:transform var(--ease);}
.more-link:hover i{transform:translateX(4px);}

/* ============ 对照面 ============ */
.compare-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh);
  overflow:hidden;
}
.compare-grid{
  display:grid;
  grid-template-columns:1.35fr 1.3fr 1.5fr .85fr 1.15fr;
  gap:0;
}
.compare-head{
  background:rgba(22,34,58,.85);
  font-size:13px;
  color:var(--t3);
  letter-spacing:.6px;
  font-weight:700;
}
.compare-head > div{padding:14px 18px;}
.compare-row{
  display:grid;
  grid-template-columns:1.35fr 1.3fr 1.5fr .85fr 1.15fr;
  border-top:1px solid var(--line);
  transition:background-color var(--ease);
}
.compare-row:hover{background:rgba(47,227,198,.05);}
.compare-cell{padding:16px 18px;font-size:14px;color:var(--t2);display:flex;align-items:center;gap:8px;}
.compare-cell.cell-name{color:var(--t1);font-weight:700;font-size:15px;}
.compare-cell .tag-line{display:flex;flex-wrap:wrap;gap:6px;}
.dot-ok{width:7px;height:7px;border-radius:50%;background:var(--primary);flex:none;}
.dot-off{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.22);flex:none;}
.cell-status{font-size:12.5px;font-weight:700;}
.cell-status.live{color:var(--primary);}
.cell-status.soon{color:var(--warn);}
.cell-status.done{color:var(--t3);}
.compare-cell::before{display:none;}
@media screen and (max-width:1023px){
  .compare-head{display:none;}
  .compare-grid,.compare-row{grid-template-columns:1fr;}
  .compare-row{border-top:1px solid var(--line);padding:6px 0;}
  .compare-cell{display:block;padding:8px 18px;}
  .compare-cell::before{
    display:block;content:attr(data-label);
    font-size:11.5px;color:var(--t3);letter-spacing:.6px;margin-bottom:2px;
  }
}

/* ============ 时间线 ============ */
.timeline{display:flex;flex-direction:column;gap:12px;}
.timeline-item{
  display:flex;align-items:center;gap:20px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 22px;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--ease),border-color var(--ease),background-color var(--ease);
}
.timeline-item:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.4);background:var(--glass-2);}
.timeline-item.is-live{border-left:3px solid var(--primary);}
.timeline-item.is-soon{border-left:3px solid var(--warn);}
.timeline-item.is-done{border-left:3px solid rgba(255,255,255,.16);}
.tl-date{
  flex:none;width:82px;text-align:center;
  border-right:1px solid var(--line);
  padding-right:16px;
}
.tl-date strong{
  display:block;
  font-family:"Rajdhani","Noto Sans SC",sans-serif;
  font-size:22px;color:var(--t1);line-height:1.2;
}
.tl-date span{font-size:12px;color:var(--t3);}
.tl-body{flex:1;min-width:0;}
.tl-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:16px;font-weight:700;color:var(--t1);}
.tl-body p{margin:6px 0 0;font-size:13.5px;color:var(--t2);line-height:1.7;}
.tl-side{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.tl-reward{font-size:12.5px;color:var(--trend);}
@media screen and (max-width:767px){
  .timeline-item{flex-direction:column;align-items:flex-start;gap:12px;}
  .tl-date{width:auto;border-right:0;border-bottom:1px solid var(--line);padding:0 0 8px;text-align:left;display:flex;gap:8px;align-items:baseline;}
  .tl-side{flex-direction:row;align-items:center;}
}

/* ============ 说明卡组合 ============ */
.note-feature{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh);
  height:100%;
}
.note-feature figure{margin:0;position:relative;overflow:hidden;}
.note-feature img{width:100%;height:216px;object-fit:cover;transition:transform 240ms ease-out;}
.note-feature:hover img{transform:scale(1.04);}
.note-feature .note-badge{
  position:absolute;left:14px;top:14px;
}
.note-feature-body{padding:22px;}
.note-feature-body h3{font-size:19px;margin-bottom:10px;}
.note-feature-body p{font-size:14.5px;color:var(--t2);line-height:1.8;}
.note-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.note-list li{display:flex;gap:10px;font-size:13.5px;color:var(--t2);}
.note-list i{color:var(--primary);margin-top:4px;font-size:12px;}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;height:100%;}
.note-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;gap:8px;
}
.note-card:hover{transform:translateY(-4px);border-color:rgba(47,227,198,.4);}
.note-card i{font-size:17px;color:var(--primary);}
.note-card h3{font-size:16px;}
.note-card p{font-size:13.5px;color:var(--t2);line-height:1.75;margin:0;}
.note-card .num{
  font-family:"Rajdhani","Noto Sans SC",sans-serif;
  font-size:26px;color:var(--primary);line-height:1.1;
}
@media screen and (max-width:639px){.note-grid{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color var(--ease),background-color var(--ease);
  overflow:hidden;
}
.faq-item[open]{border-color:rgba(47,227,198,.42);background:var(--glass-2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;gap:14px;
  min-height:56px;
  padding:12px 22px;
  font-size:15.5px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  width:10px;height:10px;flex:none;
  border-radius:3px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(47,227,198,.6);
  transition:transform var(--ease);
}
.faq-item[open] summary::before{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{padding:0 22px 18px 46px;font-size:15px;line-height:1.8;color:var(--t2);}

/* ============ CTA 条幅 ============ */
.cta-band{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:38px 34px 44px;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(10,15,28,.93),rgba(22,34,58,.86)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh);
}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-copy{max-width:620px;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-copy p{color:var(--t2);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-progress{
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:rgba(255,255,255,.1);
}
.cta-progress span{
  display:block;height:100%;width:72%;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:rgba(10,15,28,.9);
  padding:56px 0 24px;
  position:relative;
  z-index:2;
}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{font-size:13.5px;color:var(--t3);line-height:1.8;margin:14px 0 0;}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row span{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);
  color:var(--t2);font-size:13px;
}
.footer-col h4{font-size:15px;color:var(--t1);margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:var(--t2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col p{font-size:13.5px;color:var(--t3);line-height:1.8;}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.foot-links{display:flex;gap:16px;flex-wrap:wrap;}
.foot-links a{color:var(--t2);}
.foot-links a:hover{color:var(--primary);}
.to-top-inline{color:var(--primary);font-weight:700;}
@media screen and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:639px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--line);
  color:var(--primary);
  backdrop-filter:blur(14px) saturate(140%);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),border-color var(--ease);
}
.backtop.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.backtop:hover{border-color:var(--primary);}