/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#0E1626;
  --primary:#22E3B6;
  --primary-deep:#0FA98A;
  --accent:#FF8A3D;
  --hot:#FF4D6D;
  --link:#5ED8FF;
  --link-hi:#8DE9FF;
  --text:#E9F1FA;
  --text-2:#93A6C0;
  --text-3:#5F7391;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55);
  --glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6;
  --warn:#FFC24B;
  --danger:#FF5B6E;
  --grad:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --ease:220ms cubic-bezier(.2,.8,.2,1);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-feature-settings:"tnum" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 82% -6%,rgba(34,227,182,.10),transparent 68%),
    radial-gradient(760px 460px at 6% 4%,rgba(58,168,255,.09),transparent 72%);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--link);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--link-hi);}
p{margin:0 0 16px;color:var(--text-2);max-width:46em;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.28;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(34,227,182,.28);color:#fff;}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.section{padding:var(--space-section) 0;position:relative;z-index:1;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.01em;}
.section-head .head-desc{margin:8px 0 0;font-size:14px;color:var(--text-2);max-width:34em;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:600;}
.link-arrow svg{transition:transform var(--ease);}
.link-arrow:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#04140F;box-shadow:0 6px 18px rgba(34,227,182,.26);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);color:#04140F;box-shadow:0 12px 30px rgba(34,227,182,.34);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--line-strong);}
.btn-outline:hover{color:var(--primary);border-color:var(--primary);box-shadow:inset 0 0 0 1px rgba(34,227,182,.28);transform:translateY(-2px);}
.btn-glass{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line);backdrop-filter:blur(14px);}
.btn-glass:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.09);}
.btn-ghost{background:transparent;color:var(--primary);padding:0 4px;height:auto;}
.btn-ghost svg{transition:transform var(--ease);}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--primary);background:rgba(34,227,182,.12);
  border:1px solid rgba(34,227,182,.30);white-space:nowrap;
}
.pill-hot{color:var(--hot);background:rgba(255,77,109,.12);border-color:rgba(255,77,109,.34);}
.pill-warn{color:var(--warn);background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.32);}
.pill-mute{color:var(--text-2);background:rgba(255,255,255,.05);border-color:var(--line);}
.pill-sm{height:22px;font-size:11px;padding:0 8px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--ease);}
.is-scrolled .topbar-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(34,227,182,.34);
  box-shadow:0 0 0 1px rgba(34,227,182,.10),0 6px 18px rgba(34,227,182,.16);
}
.brand-mark svg{width:20px;height:20px;stroke:var(--primary);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--text);}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.14em;}
.search-form{flex:1;max-width:420px;position:relative;}
.search-form svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--text-3);pointer-events:none;transition:stroke var(--ease);}
.search-form input{
  width:100%;height:44px;padding:0 16px 0 40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:14px;transition:all var(--ease);
}
.search-form input::placeholder{color:var(--text-3);}
.search-form input:focus{
  outline:none;border-color:var(--primary);background:rgba(34,227,182,.06);
  box-shadow:0 0 0 2px rgba(34,227,182,.18);
}
.search-form input:focus + svg,.search-form:focus-within svg{stroke:var(--primary);}
.top-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.top-link{font-size:14px;color:var(--text-2);}
.top-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:all var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all var(--ease);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channelbar{border-top:1px solid var(--line);}
.channels{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:10px 0;transition:padding var(--ease);
}
.channels::-webkit-scrollbar{display:none;}
.is-scrolled .channels{padding:6px 0;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;transition:all var(--ease);
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.05);}
.channel.is-active{
  color:var(--primary);border-color:rgba(34,227,182,.34);background:var(--glass);
}
.channel.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-7px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(34,227,182,.6);
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;background:rgba(7,11,20,.98);
  backdrop-filter:blur(18px);
  transform:translateX(100%);transition:transform 280ms cubic-bezier(.2,.8,.2,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text);font-size:20px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:block;padding:14px 16px;border-radius:14px;color:var(--text);
  font-size:16px;border:1px solid transparent;transition:all var(--ease);
}
.drawer-nav a:hover{background:var(--glass);border-color:var(--line);}
.drawer-nav a.is-active{color:var(--primary);border-color:rgba(34,227,182,.32);background:var(--glass);}
.drawer-cta{margin-top:auto;padding-top:28px;display:grid;gap:12px;}
body.drawer-open{overflow:hidden;}

/* ============ Hero ============ */
.hero{position:relative;height:76vh;min-height:560px;max-height:720px;display:flex;align-items:center;overflow:hidden;z-index:1;}
.hero-bg{position:absolute;inset:0;overflow:hidden;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5;}
.hero-bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(7,11,20,.97) 0%,rgba(7,11,20,.86) 40%,rgba(7,11,20,.42) 100%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;z-index:2;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  mask-image:radial-gradient(circle at 30% 50%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 50%,#000 0%,transparent 78%);
}
.hero-glow{
  position:absolute;right:-8%;bottom:-24%;width:760px;height:760px;z-index:2;pointer-events:none;
  background:radial-gradient(circle,rgba(34,227,182,.24) 0%,rgba(34,227,182,.06) 42%,transparent 68%);
  filter:blur(6px);
}
.hero-inner{position:relative;z-index:3;width:100%;display:flex;align-items:center;justify-content:space-between;gap:48px;}
.hero-copy{max-width:640px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;color:var(--primary);
  background:var(--glass);border:1px solid rgba(34,227,182,.32);
  backdrop-filter:blur(14px);margin-bottom:22px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.82);}}
.hero h1{font-size:48px;line-height:1.16;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;}
.hero h1 .h1-line2{display:block;font-size:26px;font-weight:600;color:var(--text-2);letter-spacing:.01em;margin-top:12px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:36em;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:30px;}
.hero-tags{display:flex;flex-wrap:wrap;align-items:center;gap:0;color:var(--text-3);font-size:13px;}
.hero-tags span{padding:0 14px;position:relative;}
.hero-tags span:first-child{padding-left:0;}
.hero-tags span:not(:first-child)::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:12px;background:var(--line-strong);
}
.hero-card{
  width:320px;flex-shrink:0;padding:24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line-strong);
  box-shadow:var(--shadow),inset 0 1px 0 var(--glass-hi);
  backdrop-filter:blur(14px);
}
.hero-card-title{font-size:13px;color:var(--text-2);letter-spacing:.06em;margin:0 0 18px;}
.steps{display:flex;flex-direction:column;gap:16px;}
.steps li{display:flex;gap:12px;align-items:flex-start;}
.step-num{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#04140F;background:var(--grad);
  box-shadow:0 0 0 1px rgba(34,227,182,.28),0 4px 12px rgba(34,227,182,.26);
}
.steps strong{display:block;font-size:14px;color:var(--text);font-weight:600;line-height:1.5;}
.steps p{margin:2px 0 0;font-size:12.5px;color:var(--text-3);line-height:1.6;}

/* ============ 横滑轨道 ============ */
.rail-section{padding:72px 0 0;}
.rail-controls{display:flex;gap:10px;}
.rail-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
  transition:all var(--ease);
}
.rail-btn:hover{color:var(--primary);border-color:var(--primary);box-shadow:0 0 0 1px rgba(34,227,182,.28);}
.rail-btn svg{width:16px;height:16px;stroke:currentColor;}
.rail-wrap{position:relative;}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:44px;z-index:3;pointer-events:none;
}
.rail-wrap::before{left:-2px;background:linear-gradient(90deg,var(--bg),transparent);}
.rail-wrap::after{right:-2px;background:linear-gradient(270deg,var(--bg),transparent);}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 0 18px;scrollbar-width:none;-ms-overflow-style:none;scroll-behavior:smooth;
}
.rail-track::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 280px;width:280px;scroll-snap-align:start;
  display:flex;flex-direction:column;color:var(--text);
  border-radius:var(--r-md);transition:transform var(--ease);
}
.rail-card:hover{transform:translateY(-4px);color:var(--text);}
.rail-cover{
  position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.8,.2,1);}
.rail-card:hover .rail-cover{border-color:rgba(34,227,182,.42);box-shadow:0 0 0 1px rgba(34,227,182,.28),0 12px 30px rgba(0,0,0,.5);}
.rail-card:hover .rail-cover img{transform:scale(1.05);}
.rail-cover .pill{position:absolute;right:10px;bottom:10px;background:rgba(7,11,20,.78);backdrop-filter:blur(8px);}
.rail-title{
  font-size:16px;font-weight:600;line-height:1.55;margin:14px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.rail-card:hover .rail-title{color:var(--primary);}
.rail-meta{font-size:12.5px;color:var(--text-3);margin:0;letter-spacing:.02em;}

/* ============ 热榜 ============ */
.hot-section{padding:72px 0 0;}
.hot-main{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/11;border:1px solid var(--line);background:var(--panel);
  transition:all var(--ease);
}
.hot-main img{width:100%;height:100%;object-fit:cover;transition:transform 460ms cubic-bezier(.2,.8,.2,1);}
.hot-main:hover img{transform:scale(1.05);}
.hot-main:hover{border-color:rgba(34,227,182,.42);box-shadow:0 0 0 1px rgba(34,227,182,.26),0 16px 40px rgba(0,0,0,.55);}
.hot-main .mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,0) 30%,rgba(7,11,20,.92) 100%);
}
.hot-main .hot-badge{position:absolute;left:20px;top:20px;}
.hot-main .hot-copy{position:absolute;left:24px;right:24px;bottom:22px;}
.hot-main .hot-copy h3{font-size:24px;line-height:1.35;margin:0 0 8px;color:#fff;}
.hot-main .hot-copy p{margin:0;font-size:13px;color:rgba(233,241,250,.72);}
.rank-list{display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;}
.rank-item{border-bottom:1px solid var(--line);}
.rank-item:first-child{border-top:1px solid var(--line);}
.rank-link{
  display:flex;align-items:center;gap:18px;min-height:72px;padding:10px 14px;
  border-radius:10px;color:var(--text);transition:all var(--ease);
}
.rank-link:hover{background:var(--glass);color:var(--text);transform:translateX(4px);}
.rank-num{
  flex-shrink:0;width:44px;font-size:40px;font-weight:800;line-height:1;
  color:rgba(34,227,182,.26);font-variant-numeric:tabular-nums;letter-spacing:-.03em;
  transition:color var(--ease);
}
.rank-link:hover .rank-num{color:rgba(34,227,182,.62);}
.rank-copy h3{font-size:17px;font-weight:600;line-height:1.5;margin:0 0 2px;transition:color var(--ease);}
.rank-link:hover .rank-copy h3{color:var(--primary);}
.rank-copy p{margin:0;font-size:13px;color:var(--text-3);}

/* ============ 专题 ============ */
.feature-section{padding:72px 0 0;}
.feature-tall{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);aspect-ratio:3/4;
  transition:all var(--ease);
}
.feature-tall img{width:100%;height:100%;object-fit:cover;transition:transform 460ms cubic-bezier(.2,.8,.2,1);}
.feature-tall:hover img{transform:scale(1.04);}
.feature-tall:hover{border-color:rgba(34,227,182,.42);box-shadow:0 0 0 1px rgba(34,227,182,.24),0 16px 40px rgba(0,0,0,.55);}
.feature-tall .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.05) 34%,rgba(7,11,20,.94) 100%);}
.feature-tall .fc{position:absolute;left:24px;right:24px;bottom:24px;}
.feature-tall .fc h3{font-size:20px;margin:12px 0 8px;color:#fff;line-height:1.4;}
.feature-tall .fc p{margin:0;font-size:13px;color:rgba(233,241,250,.7);}
.feature-side{display:flex;flex-direction:column;gap:24px;height:100%;}
.feature-wide{
  display:flex;gap:20px;padding:16px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  transition:all var(--ease);flex:1;
}
.feature-wide:hover{color:var(--text);border-color:rgba(34,227,182,.38);box-shadow:0 0 0 1px rgba(34,227,182,.2);transform:translateY(-3px);}
.feature-wide .fw-img{flex:0 0 168px;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2);}
.feature-wide .fw-img img{width:100%;height:100%;object-fit:cover;}
.feature-wide .fw-body{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.feature-wide h3{font-size:19px;margin:10px 0 6px;line-height:1.45;transition:color var(--ease);}
.feature-wide:hover h3{color:var(--primary);}
.feature-wide p{margin:0 0 10px;font-size:13.5px;color:var(--text-2);}
.feature-wide .link-arrow{font-size:13px;}

/* ============ 最新信息（CMS） ============ */
.news-section{padding:var(--space-section) 0 0;}
.filter-pills{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;margin-bottom:24px;}
.filter-pills::-webkit-scrollbar{display:none;}
.filter-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);white-space:nowrap;transition:all var(--ease);cursor:pointer;
}
.filter-pill:hover{color:var(--text);border-color:var(--line-strong);}
.filter-pill.is-active{color:var(--primary);border-color:rgba(34,227,182,.36);background:rgba(34,227,182,.10);}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  position:relative;display:flex;gap:20px;padding:16px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  transition:all var(--ease);overflow:hidden;
}
.news-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
}
.news-item:hover{transform:translateX(4px);color:var(--text);border-color:rgba(34,227,182,.34);box-shadow:0 8px 26px rgba(0,0,0,.45);}
.news-item:hover::before{opacity:1;}
.news-thumb{flex:0 0 168px;aspect-ratio:168/94;border-radius:12px;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.8,.2,1);}
.news-item:hover .news-thumb img{transform:scale(1.05);}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px;padding:2px 0;flex:1;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-item:hover .news-title{color:var(--primary);}
.news-summary{
  margin:0;font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:12.5px;color:var(--text-3);}
.news-meta .arrow{margin-left:auto;color:var(--text-3);transition:all var(--ease);display:inline-flex;}
.news-item:hover .news-meta .arrow{color:var(--primary);transform:translateX(4px);}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:56px 24px;border-radius:var(--r-md);
  background:var(--panel);border:1px dashed var(--line-strong);text-align:center;
}
.news-empty svg{width:34px;height:34px;stroke:var(--text-3);}
.news-empty strong{font-size:16px;font-weight:600;color:var(--text-2);}
.news-empty span{font-size:13px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-section{padding:var(--space-section) 0 0;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:14px;background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);overflow:hidden;transition:border-color var(--ease);
}
.faq-item[open]{border-color:rgba(34,227,182,.34);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:20px 60px 20px 24px;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{
  position:absolute;right:24px;top:50%;width:14px;height:14px;margin-top:-7px;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{left:0;top:6px;width:14px;height:2px;}
.faq-icon::after{left:6px;top:0;width:2px;height:14px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}
.faq-body p{margin:0;font-size:15px;color:var(--text-2);max-width:56em;}

/* ============ CTA ============ */
.cta-section{padding:var(--space-section) 0;}
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--glass);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.9;pointer-events:none;
}
.cta-banner::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,227,182,.24),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:28px;margin-bottom:10px;}
.cta-copy p{margin:0;font-size:15px;color:var(--text-2);}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(7,11,20,.9);padding:64px 0 0;}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;margin:0 0 20px;max-width:26em;}
.qr-box{
  display:inline-flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.qr-grid{
  width:52px;height:52px;border-radius:8px;flex-shrink:0;
  background:
    repeating-linear-gradient(0deg,rgba(34,227,182,.55) 0 3px,transparent 3px 6px),
    repeating-linear-gradient(90deg,rgba(34,227,182,.55) 0 3px,transparent 3px 6px),
    var(--bg-2);
  border:1px solid rgba(34,227,182,.3);
}
.qr-box p{margin:0;font-size:12.5px;color:var(--text-3);line-height:1.6;}
.qr-box strong{display:block;font-size:13px;color:var(--text-2);font-weight:600;margin-bottom:2px;}
.footer-col h3{font-size:13px;color:var(--primary);font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 10px;}
.footer-col .muted{color:var(--text-3);font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a{font-size:13px;color:var(--text-3);}
.footer-bottom-links a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .grid-container{padding-left:28px;padding-right:28px;}
  .hero h1{font-size:42px;}
  .hero-card{width:296px;}
  .news-thumb{flex:0 0 150px;}
}
@media (max-width:959px){
  :root{--space-section:72px;}
  .search-form{display:none;}
  .top-actions .top-link,.top-actions .btn-glass{display:none;}
  .nav-toggle{display:flex;}
  .hero{height:auto;min-height:0;max-height:none;padding:72px 0 64px;}
  .hero-bg::before{background:linear-gradient(180deg,rgba(7,11,20,.92) 0%,rgba(7,11,20,.86) 44%,rgba(7,11,20,.96) 100%);}
  .hero-inner{flex-direction:column;align-items:flex-start;gap:36px;}
  .hero-copy{max-width:100%;}
  .hero h1{font-size:34px;}
  .hero h1 .h1-line2{font-size:20px;}
  .hero-card{width:100%;max-width:420px;}
  .section-head h2{font-size:24px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px;}
  .feature-wide{flex-direction:column;}
  .feature-wide .fw-img{flex:none;width:100%;}
  .rank-num{width:36px;font-size:34px;}
}
@media (max-width:639px){
  :root{--space-section:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .topbar-inner{height:64px;gap:12px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;letter-spacing:.1em;}
  .hero{padding:52px 0 48px;}
  .hero h1{font-size:30px;}
  .hero h1 .h1-line2{font-size:18px;margin-top:10px;}
  .hero-sub{font-size:15px;margin-bottom:26px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-tags span{padding:0 10px;font-size:12px;}
  .rail-card{flex:0 0 240px;width:240px;}
  .rail-controls{display:none;}
  .news-item{flex-direction:column;gap:14px;}
  .news-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .section-head{align-items:flex-start;}
  .hot-main .hot-copy h3{font-size:20px;}
  .rank-num{width:32px;font-size:30px;}
  .rank-link{min-height:64px;gap:12px;}
  .rank-copy h3{font-size:15px;}
  .feature-tall{aspect-ratio:4/3;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-cols{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-item summary{font-size:15.5px;padding:18px 52px 18px 20px;}
  .faq-body{padding:0 20px 20px;font-size:14.5px;}
  .cta-banner{padding:28px 22px;}
  .cta-copy h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#070B14; --bg-2:#0B1220; --panel:#0E1626;
  --primary:#22E3B6; --primary-deep:#0FA98A;
  --accent:#FF8A3D; --hot:#FF4D6D; --link:#5ED8FF;
  --text:#E9F1FA; --text-2:#93A6C0; --text-3:#5F7391;
  --line:rgba(255,255,255,.08); --line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55); --glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6; --warn:#FFC24B; --danger:#FF5B6E;
  --grad:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --r-lg:24px; --r-md:16px; --r-sm:12px; --r-xs:6px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --ease:220ms cubic-bezier(.2,.8,.2,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,Manrope,sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  background-image:
    radial-gradient(900px 520px at 82% -8%,rgba(34,227,182,.10),transparent 62%),
    radial-gradient(760px 480px at 6% 12%,rgba(58,168,255,.09),transparent 66%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--link);text-decoration:none;transition:color var(--ease);}
a:hover{color:#8DE9FF;}
button{font-family:inherit;cursor:pointer;}
ul,ol{padding-left:1.2em;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(34,227,182,.28);color:#fff;}

.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--grad);color:#04121A;box-shadow:var(--glow);}
.btn-primary:hover{color:#04121A;filter:brightness(1.08);box-shadow:0 0 0 1px rgba(34,227,182,.5),0 14px 32px rgba(34,227,182,.32);}
.btn-secondary{background:transparent;border-color:var(--line-strong);color:var(--primary);}
.btn-secondary:hover{color:var(--primary);border-color:var(--primary);box-shadow:inset 0 0 0 1px rgba(34,227,182,.28);}
.btn-ghost{background:transparent;color:var(--primary);border-color:transparent;padding:0 8px;}
.btn-ghost .arrow{transition:transform var(--ease);}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- 徽章 / pill ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 10px;
  border-radius:var(--r-xs);border:1px solid rgba(34,227,182,.35);
  background:rgba(34,227,182,.12);color:var(--primary);
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.pill-hot{border-color:rgba(255,77,109,.45);background:rgba(255,77,109,.14);color:var(--hot);}
.pill-warn{border-color:rgba(255,194,75,.45);background:rgba(255,194,75,.14);color:var(--warn);}
.pill-muted{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text-2);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,20,.84);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 18px rgba(34,227,182,.28);
}
.brand-mark svg{width:22px;height:22px;stroke:#04121A;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em;margin-top:2px;}
.header-search{
  flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;
  height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(18,28,46,.6);transition:border-color var(--ease),box-shadow var(--ease);
}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(34,227,182,.22);}
.search-icon{display:grid;place-items:center;width:40px;height:44px;color:var(--text-3);flex:0 0 auto;}
.search-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;}
.search-field{
  flex:1 1 auto;height:42px;border:0;background:transparent;color:var(--text);
  font-size:14px;padding:0 8px 0 0;outline:none;
}
.search-field::placeholder{color:var(--text-3);}
.search-btn{
  height:32px;margin-right:6px;padding:0 14px;border:0;border-radius:9px;
  background:rgba(34,227,182,.16);color:var(--primary);font-size:13px;font-weight:700;
  transition:background var(--ease),color var(--ease);
}
.search-btn:hover{background:rgba(34,227,182,.28);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.link-help{font-size:14px;color:var(--text-2);font-weight:600;padding:6px 2px;}
.link-help:hover{color:var(--primary);}
.mobile-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(18,28,46,.6);color:var(--text);align-items:center;justify-content:center;margin-left:auto;
}
.mobile-toggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;}

.nav-wrap{position:relative;}
.channels{
  display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid transparent;color:var(--text-2);
  font-size:14px;font-weight:600;white-space:nowrap;transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.channel:hover{color:var(--text);}
.channel.is-active{
  color:var(--primary);border-color:rgba(34,227,182,.42);background:rgba(34,227,182,.10);
}
.channel.is-active::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(7,11,20,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:20px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(18,28,46,.6);color:var(--text);display:grid;place-items:center;font-size:20px;
}
.drawer-links{display:flex;flex-direction:column;gap:8px;margin-bottom:22px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;border:1px solid var(--line);
  background:rgba(18,28,46,.55);color:var(--text);font-size:15px;font-weight:600;
}
.drawer-links a:hover{color:var(--primary);border-color:rgba(34,227,182,.4);}
.drawer-cta{display:flex;flex-direction:column;gap:12px;}

/* ---------- 文章头 ---------- */
.page-head{
  position:relative;margin:28px 0 36px;padding:32px 32px 30px;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,11,20,.94) 42%,rgba(7,11,20,.66) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;opacity:.55;z-index:-1;
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,227,182,.22),transparent 68%);pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;}
.breadcrumb a{color:var(--text-2);font-weight:600;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-3);}
.page-title{
  font-size:38px;line-height:1.28;letter-spacing:-.02em;font-weight:800;
  margin:14px 0 14px;max-width:900px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.page-lead{
  font-size:15px;line-height:1.8;color:var(--text-2);max-width:820px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:var(--text-3);}
.meta-row .dot{width:1px;height:12px;background:var(--line-strong);display:inline-block;}
.meta-row strong{color:var(--text-2);font-weight:600;}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto;}
.share-btn{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(18,28,46,.6);color:var(--text-2);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.share-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.share-btn:hover{color:var(--primary);border-color:rgba(34,227,182,.45);transform:translateY(-2px);}
.share-btn.is-active{color:var(--accent);border-color:rgba(255,138,61,.5);}
.share-tip{font-size:12px;color:var(--primary);opacity:0;transition:opacity var(--ease);}
.share-tip.is-on{opacity:1;}

/* ---------- 布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;padding-bottom:12px;}
.article-main{min-width:0;}
.article-side{position:sticky;top:148px;display:flex;flex-direction:column;gap:20px;}

/* ---------- 正文 ---------- */
.article-body{
  max-width:820px;font-size:16px;line-height:1.9;color:var(--text);
  word-break:break-word;
}
.article-body p{margin:0 0 22px;color:#D6E2F0;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;font-weight:700;
  margin:40px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--grad);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--primary);margin:30px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--text);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:1.1em;}
.article-body li{margin:8px 0;color:#D6E2F0;}
.article-body ul li{list-style:none;position:relative;padding-left:18px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);opacity:.85;
}
.article-body ol li{list-style:decimal;color:#D6E2F0;}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-radius:var(--r-md);
  border-left:4px solid var(--primary);
  background:var(--glass);color:var(--text-2);font-style:normal;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:24px 0 10px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--link);border-bottom:1px solid rgba(94,216,255,.3);}
.article-body a:hover{color:#8DE9FF;border-bottom-color:var(--primary);}
.article-body strong{color:#fff;}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;font-size:15px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(34,227,182,.08);color:var(--primary);font-weight:700;font-size:14px;}
.article-body tr:last-child td{border-bottom:0;}

/* 正文内嵌窄 CTA */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  padding:12px 18px;margin:28px 0;border-radius:14px;
  border:1px solid var(--line-strong);background:var(--glass-soft,rgba(18,28,46,.55));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.inline-cta p{margin:0;font-size:14px;color:var(--text-2);flex:1 1 260px;}

/* 文末标签与操作 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-2);font-weight:600;transition:all var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(34,227,182,.45);}
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:26px;padding-top:24px;border-top:1px solid var(--line);
}

/* ---------- 侧栏 ---------- */
.side-card{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--panel);padding:22px;box-shadow:var(--shadow);
}
.side-card.glass{
  background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-color:var(--line-strong);
}
.side-title{font-size:16px;font-weight:700;margin-bottom:6px;}
.side-desc{font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:16px;}
.quick-list{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 2px;font-size:14px;color:var(--text-2);font-weight:600;
  border-bottom:1px solid var(--line);transition:color var(--ease),padding-left var(--ease);
}
.quick-list a:last-child{border-bottom:0;}
.quick-list a:hover{color:var(--primary);padding-left:6px;}
.quick-list .arrow{color:var(--text-3);transition:color var(--ease),transform var(--ease);}
.quick-list a:hover .arrow{color:var(--primary);transform:translateX(3px);}
.side-link{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.side-link:last-child{border-bottom:0;padding-bottom:0;}
.side-link img{width:64px;height:64px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.side-link .t{font-size:14px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-link .m{font-size:12px;color:var(--text-3);margin-top:4px;}
.side-link:hover .t{color:var(--primary);}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 8px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;}
.section-head p{font-size:14px;color:var(--text-3);margin:6px 0 0;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 248px;scroll-snap-align:start;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(34,227,182,.4);box-shadow:0 0 0 1px rgba(34,227,182,.28),0 14px 32px rgba(0,0,0,.5);}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.rail-card:hover .rail-thumb img{transform:scale(1.05);}
.rail-thumb .pill{position:absolute;right:10px;bottom:10px;}
.rail-body{padding:14px 16px 18px;}
.rail-body .t{font-size:15px;font-weight:700;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-card:hover .rail-body .t{color:var(--primary);}
.rail-body .m{font-size:12px;color:var(--text-3);margin-top:8px;}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:72px 24px;border-radius:var(--r-lg);
  border:1px dashed var(--line-strong);background:rgba(18,28,46,.4);text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke:var(--text-3);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:20px;color:var(--text-2);}
.empty-state p{font-size:14px;color:var(--text-3);margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);margin-top:64px;padding-top:56px;}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-2);max-width:330px;}
.qr-box{display:flex;gap:14px;align-items:center;margin-top:20px;padding:14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.03);max-width:360px;}
.qr-grid{
  width:56px;height:56px;flex:0 0 auto;border-radius:8px;
  background:
    linear-gradient(90deg,var(--text-2) 25%,transparent 25% 50%,var(--text-2) 50% 75%,transparent 75%),
    linear-gradient(0deg,var(--text-2) 25%,transparent 25% 50%,var(--text-2) 50% 75%,transparent 75%);
  background-size:14px 14px;opacity:.5;
}
.qr-box p{font-size:12px;line-height:1.7;color:var(--text-3);margin:0;}
.qr-box strong{display:block;color:var(--text);font-size:13px;margin-bottom:2px;}
.footer-col h3{font-size:13px;color:var(--primary);letter-spacing:.08em;margin-bottom:16px;font-weight:700;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 10px;}
.footer-col p.muted{font-size:12px;color:var(--text-3);line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{color:var(--text-3);font-size:13px;}
.footer-bottom-links a:hover{color:var(--primary);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:44px;height:44px;border-radius:50%;display:none;place-items:center;
  border:1px solid var(--line-strong);background:var(--glass);color:var(--text-2);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.to-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.to-top.is-on{display:grid;}
.to-top:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .layout{grid-template-columns:minmax(0,1fr) 320px;gap:24px;}
  .page-title{font-size:32px;}
  .footer-cols{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:959px){
  .header-search{display:none;}
  .header-actions{display:none;}
  .mobile-toggle{display:flex;}
  .layout{grid-template-columns:1fr;}
  .article-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .article-side > .side-card{flex:1 1 300px;}
  .page-head{padding:24px 22px;}
  .page-title{font-size:28px;}
  .related .rail-card{flex:0 0 220px;}
  .footer-cols{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .topbar{height:64px;gap:12px;}
  .brand-name{font-size:14px;}
  .brand-sub{font-size:10px;}
  .channels{height:48px;}
  .channel{height:32px;padding:0 13px;font-size:13px;}
  .page-head{margin:18px 0 24px;padding:20px 18px;border-radius:18px;}
  .page-title{font-size:24px;line-height:1.32;}
  .page-lead{font-size:14px;-webkit-line-clamp:2;}
  .meta-row{font-size:12px;}
  .share-group{margin-left:0;width:100%;}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-side{flex-direction:column;}
  .section-head h2{font-size:22px;}
  .rail-card{flex:0 0 200px;}
  .footer-cols{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .btn:hover,.rail-card:hover,.to-top:hover,.share-btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#0E1626;
  --primary:#22E3B6;
  --primary-deep:#0FA98A;
  --accent:#FF8A3D;
  --hot:#FF4D6D;
  --link:#5ED8FF;
  --link-hover:#8DE9FF;
  --text:#E9F1FA;
  --text-2:#93A6C0;
  --text-3:#5F7391;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55);
  --glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6;
  --warn:#FFC24B;
  --danger:#FF5B6E;
  --grad-main:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --ease:220ms cubic-bezier(.2,.8,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  background-image:
    radial-gradient(900px 520px at 82% 0%,rgba(34,227,182,.10),transparent 62%),
    radial-gradient(760px 480px at 8% 18%,rgba(58,168,255,.09),transparent 64%);
  background-attachment:fixed;
}

img{max-width:100%;height:auto;display:block;}

a{color:var(--link);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--link-hover);}

p{margin:0 0 16px;max-width:48em;}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.25;letter-spacing:-0.01em;}

button{font-family:inherit;}

:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}

.grid-container{
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}

/* ============ 顶部品牌栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(9,14,24,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}

.brand-bar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  padding:12px 0;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--text);
  text-decoration:none;
}
.brand:hover{color:var(--text);}

.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:var(--grad-main);
  box-shadow:0 0 0 1px rgba(34,227,182,.35),0 8px 22px rgba(34,227,182,.26);
  flex:0 0 auto;
}
.brand-mark svg{
  width:22px;
  height:22px;
  stroke:#062018;
  fill:none;
}

.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--text-3);
  text-transform:uppercase;
}

.header-search{
  flex:1 1 auto;
  max-width:400px;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.header-search:focus-within{
  border-color:rgba(34,227,182,.6);
  box-shadow:0 0 0 3px rgba(34,227,182,.16);
  background:rgba(18,28,46,.8);
}
.header-search svg{
  width:18px;height:18px;flex:0 0 auto;
  stroke:var(--text-3);fill:none;stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;
}
.header-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
  outline:none;
  box-shadow:none;
  margin:0;
}
.header-search input::placeholder{color:var(--text-3);}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}

.text-link{
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
}
.text-link:hover{color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  text-decoration:none;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{
  background:var(--grad-main);
  color:#052B22;
  box-shadow:0 0 0 1px rgba(34,227,182,.35),0 10px 26px rgba(34,227,182,.24);
}
.btn-primary:hover{
  color:#052B22;
  filter:brightness(1.07);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(34,227,182,.5),0 14px 32px rgba(34,227,182,.34);
}
.btn-secondary{
  background:transparent;
  color:var(--primary);
  border-color:var(--line-strong);
}
.btn-secondary:hover{
  color:var(--primary);
  border-color:rgba(34,227,182,.65);
  box-shadow:inset 0 0 22px rgba(34,227,182,.14);
  transform:translateY(-2px);
}
.btn-ghost{
  background:var(--glass);
  color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{
  color:var(--primary);
  border-color:rgba(34,227,182,.5);
  transform:translateY(-2px);
}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.ghost-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.ghost-arrow svg{
  width:16px;height:16px;stroke:currentColor;fill:none;
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
  transition:transform var(--ease);
}
.ghost-arrow:hover{color:var(--primary);text-decoration:underline;text-underline-offset:5px;}
.ghost-arrow:hover svg{transform:translateX(4px);}

/* ============ 频道 Tabs ============ */
.channel-bar{
  position:relative;
  border-top:1px solid var(--line);
  background:rgba(7,11,20,.55);
}
.channel-bar::before,
.channel-bar::after{
  content:"";
  position:absolute;
  top:0;bottom:0;
  width:44px;
  pointer-events:none;
  z-index:2;
}
.channel-bar::before{left:0;background:linear-gradient(90deg,rgba(7,11,20,.95),transparent);}
.channel-bar::after{right:0;background:linear-gradient(270deg,rgba(7,11,20,.95),transparent);}

.channels{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  overflow-y:hidden;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-behavior:smooth;
}
.channels::-webkit-scrollbar{display:none;}

.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.channel:hover{
  color:var(--text);
  background:var(--glass);
}
.channel.is-active{
  color:var(--primary);
  background:var(--glass);
  border-color:rgba(34,227,182,.42);
}
.channel.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-9px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:translateX(-50%);
  box-shadow:0 0 10px rgba(34,227,182,.8);
}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  padding:0;
}
.nav-toggle svg{
  width:20px;height:20px;stroke:var(--text);fill:none;
  stroke-width:1.5;stroke-linecap:round;
}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(7,11,20,.96);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:24px 20px 40px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:24px;
}
.drawer-close{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  padding:0;
}
.drawer-close svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.5;stroke-linecap:round;}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  font-size:15px;
}
.drawer-links a.is-active{color:var(--primary);border-color:rgba(34,227,182,.45);}
.drawer-cta{display:flex;flex-direction:column;gap:12px;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  padding-top:28px;
  margin-bottom:20px;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--text-3);}

/* ============ 页面头部 ============ */
.page-head{
  position:relative;
  overflow:hidden;
  padding-bottom:48px;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.10;
  z-index:0;
  pointer-events:none;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.55) 0%,rgba(7,11,20,.94) 78%,var(--bg) 100%);
  z-index:0;
  pointer-events:none;
}
.page-head > .grid-container{position:relative;z-index:1;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  margin-bottom:18px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--primary);
  background:rgba(34,227,182,.12);
  border:1px solid rgba(34,227,182,.34);
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(34,227,182,.9);
}

.page-head h1{
  font-size:46px;
  line-height:1.16;
  font-weight:800;
  letter-spacing:-0.02em;
  max-width:820px;
  margin-bottom:18px;
}
.page-head h1 .hl{
  background:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}

.page-lead{
  font-size:16px;
  color:var(--text-2);
  max-width:760px;
  margin-bottom:28px;
}

.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-top:4px;
}
.filter-pill{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.filter-pill:hover{color:var(--text);border-color:var(--line-strong);}
.filter-pill.is-on{
  color:var(--primary);
  border-color:rgba(34,227,182,.45);
  background:rgba(34,227,182,.10);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:30px;
  font-weight:700;
  margin-bottom:10px;
}
.section-head p{
  margin:0;
  font-size:14px;
  color:var(--text-2);
  max-width:44em;
}

/* ============ 时间轴 ============ */
.timeline-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}

.timeline{
  position:relative;
  padding-left:64px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:22px;
  top:10px;
  bottom:34px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(34,227,182,.95) 0%,rgba(58,168,255,.55) 52%,rgba(58,168,255,0) 100%);
}

.timeline-item{
  position:relative;
  margin-bottom:28px;
}
.timeline-item:last-child{margin-bottom:0;}

.timeline-node{
  position:absolute;
  left:-64px;
  top:6px;
  width:46px;
  height:46px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--panel);
  border:1px solid rgba(34,227,182,.5);
  color:var(--primary);
  font-size:15px;
  font-weight:800;
  box-shadow:0 0 0 6px rgba(7,11,20,.92);
  transition:box-shadow var(--ease),border-color var(--ease);
}

.timeline-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 26px;
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.timeline-card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,227,182,.42);
  box-shadow:0 0 0 1px rgba(34,227,182,.28),0 16px 36px rgba(0,0,0,.5);
}
.timeline-item:hover .timeline-node{
  border-color:var(--primary);
  box-shadow:0 0 0 6px rgba(7,11,20,.92),0 0 22px rgba(34,227,182,.45);
}

.timeline-card h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
}
.timeline-card p{
  font-size:15px;
  color:var(--text-2);
  margin:0 0 10px;
}
.timeline-card p:last-child{margin-bottom:0;}

.step-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  color:var(--primary);
  background:rgba(34,227,182,.10);
  border:1px solid rgba(34,227,182,.28);
}
.tag-warn{
  color:var(--warn);
  background:rgba(255,194,75,.10);
  border-color:rgba(255,194,75,.30);
}
.tag-hot{
  color:var(--hot);
  background:rgba(255,77,109,.10);
  border-color:rgba(255,77,109,.32);
}

.timeline-shot{
  margin-top:18px;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:var(--bg-2);
}
.timeline-shot img{
  width:100%;height:100%;object-fit:cover;
}

/* 侧栏浮卡 */
.side-card{
  position:sticky;
  top:150px;
  background:var(--glass);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:8px;
}
.side-card .side-sub{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.side-list{
  list-style:none;
  margin:0 0 20px;
  padding:0;
}
.side-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-2);
  padding:10px 0;
  border-bottom:1px solid var(--line);
}
.side-list li:last-child{border-bottom:0;}
.side-list .tick{
  width:18px;height:18px;flex:0 0 auto;margin-top:4px;
  stroke:var(--primary);fill:none;stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;
}
.side-card .btn{width:100%;}

/* ============ FAQ ============ */
.faq-panel{
  background:var(--glass);
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:20px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.faq-item{
  border-radius:14px;
  overflow:hidden;
  margin-bottom:12px;
  border:1px solid transparent;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item:last-child{margin-bottom:0;}
.faq-item.is-open{
  background:rgba(34,227,182,.05);
  border-color:rgba(34,227,182,.28);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 20px;
  background:transparent;
  border:0;
  text-align:left;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  position:relative;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:3px;
  background:var(--primary);
}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex:0 0 auto;
  transition:transform var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms cubic-bezier(.2,.8,.2,1);
}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a-inner{
  padding:0 20px 20px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  max-width:62em;
}
.faq-a-inner p{margin:0;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:44px 48px;
  background:var(--grad-soft),var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-90px;top:-110px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,227,182,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:26px;
  font-weight:700;
  margin-bottom:10px;
  position:relative;
}
.cta-band p{
  margin:0;
  font-size:15px;
  color:var(--text-2);
  max-width:44em;
  position:relative;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  position:relative;
}

/* ============ 继续了解 ============ */
.more-band{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 32px;
}
.more-band h2{
  font-size:18px;
  font-weight:700;
  margin-bottom:16px;
}
.more-pills{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.more-pills a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.more-pills a:hover{
  color:var(--primary);
  border-color:rgba(34,227,182,.5);
  background:rgba(34,227,182,.08);
  transform:translateY(-2px);
}
.more-pills a svg{
  width:14px;height:14px;stroke:currentColor;fill:none;
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-desc{
  font-size:14px;
  color:var(--text-2);
  max-width:32em;
  margin-bottom:20px;
}
.qr-box{
  display:flex;
  gap:14px;
  align-items:center;
  padding:14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}
.qr-grid{
  width:56px;height:56px;
  flex:0 0 auto;
  border-radius:8px;
  background:
    repeating-linear-gradient(0deg,rgba(34,227,182,.75) 0 4px,transparent 4px 8px),
    repeating-linear-gradient(90deg,rgba(34,227,182,.75) 0 4px,transparent 4px 8px),
    rgba(34,227,182,.08);
  border:1px solid rgba(34,227,182,.35);
}
.qr-box p{
  margin:0;
  font-size:12.5px;
  line-height:1.6;
  color:var(--text-3);
  max-width:20em;
}
.qr-box p strong{display:block;color:var(--text-2);font-size:13px;margin-bottom:2px;}

.footer-col h3{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--primary);
  margin-bottom:16px;
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
}
.footer-col a:hover{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-col p{
  font-size:14px;
  color:var(--text-2);
  margin:0 0 10px;
}
.footer-col .muted{
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}

.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom-links{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}
.footer-bottom-links a{
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom-links a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .grid-container{padding-left:28px;padding-right:28px;}
  .page-head h1{font-size:40px;}
  .timeline-wrap{grid-template-columns:minmax(0,1fr) 290px;gap:36px;}
  .section{padding:80px 0;}
}

@media screen and (max-width:959px){
  .header-search{display:none;}
  .header-actions .text-link{display:none;}
  .brand-bar-inner{min-height:64px;}
  .page-head h1{font-size:34px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:26px;}
  .timeline-wrap{grid-template-columns:1fr;}
  .side-card{position:static;top:auto;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px 30px;}
  .cta-band h2{font-size:23px;}
}

@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .brand-name{font-size:15px;white-space:normal;line-height:1.25;max-width:170px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;}

  .crumbs{padding-top:20px;font-size:12px;}
  .page-head{padding-bottom:36px;}
  .page-head h1{font-size:30px;letter-spacing:-0.015em;}
  .page-lead{font-size:15px;}

  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:22px;}

  .timeline{padding-left:46px;}
  .timeline::before{left:15px;top:6px;}
  .timeline-node{
    left:-46px;
    width:32px;height:32px;
    font-size:13px;
    top:10px;
    box-shadow:0 0 0 4px rgba(7,11,20,.95);
  }
  .timeline-item:hover .timeline-node{box-shadow:0 0 0 4px rgba(7,11,20,.95);}
  .timeline-card{padding:18px 18px;}
  .timeline-card h3{font-size:16.5px;}
  .timeline-card p{font-size:14.5px;}

  .faq-panel{padding:12px;}
  .faq-q{font-size:15.5px;padding:16px 16px;}
  .faq-a-inner{padding:0 16px 16px;font-size:14.5px;}

  .cta-band{padding:28px 22px;border-radius:18px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}

  .more-band{padding:22px 20px;}
  .more-pills{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .more-pills::-webkit-scrollbar{display:none;}
  .more-pills a{white-space:nowrap;flex:0 0 auto;}

  .site-footer{margin-top:56px;padding-top:44px;}
  .footer-cols{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .side-card{padding:20px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .btn:hover,.timeline-card:hover,.more-pills a:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;--bg-2:#0B1220;--panel:#0E1626;
  --primary:#22E3B6;--primary-deep:#0FA98A;--accent:#FF8A3D;--hot:#FF4D6D;--link:#5ED8FF;
  --text:#E9F1FA;--text-2:#93A6C0;--text-3:#5F7391;
  --line:rgba(255,255,255,.08);--line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55);--glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6;--warn:#FFC24B;--danger:#FF5B6E;
  --grad-main:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --r-lg:24px;--r-md:16px;--r-sm:12px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --t:220ms cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--link);text-decoration:none;transition:color var(--t)}
a:hover{color:#8DE9FF}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}
.muted{color:var(--text-3)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,11,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-top-inner{display:flex;align-items:center;gap:24px;min-height:68px;padding-top:10px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--grad-soft);border:1px solid var(--line-strong);box-shadow:0 0 0 1px rgba(34,227,182,.14)}
.brand-mark svg{width:20px;height:20px;stroke:var(--primary)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em}
.search-box{position:relative;flex:1 1 auto;max-width:360px;min-width:150px}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--text-3);pointer-events:none}
.search-box input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);padding:0 18px 0 42px;
  font-size:14px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{outline:none;border-color:var(--primary);background:rgba(34,227,182,.06);box-shadow:0 0 0 3px rgba(34,227,182,.16)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.ghost-link{font-size:14px;color:var(--text-2)}
.ghost-link:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-sm);font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);white-space:nowrap}
.btn-primary{background:var(--grad-main);color:#04211B;box-shadow:0 8px 24px rgba(34,227,182,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(34,227,182,.36);color:#04211B;filter:brightness(1.05)}
.btn-secondary{background:transparent;border-color:var(--line-strong);color:var(--primary)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);box-shadow:inset 0 0 18px rgba(34,227,182,.16);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 18px;font-size:13px}
.btn-block{width:100%}
.ghost-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);background:none;border:0;padding:0;cursor:pointer}
.ghost-arrow svg{width:16px;height:16px;stroke:currentColor;transition:transform var(--t)}
.ghost-arrow:hover{color:#5CFFD8}
.ghost-arrow:hover svg{transform:translateX(4px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor}

.header-channels{border-top:1px solid var(--line)}
.channels-wrap{display:flex;align-items:center;gap:8px;min-height:52px;max-height:52px;overflow-x:auto;scrollbar-width:none}
.channels-wrap::-webkit-scrollbar{display:none}
.channels{display:flex;align-items:center;gap:8px;flex:1 1 auto}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);border:1px solid transparent;white-space:nowrap;transition:color var(--t),border-color var(--t),background var(--t);
}
.channel:hover{color:var(--text)}
.channel.is-active{color:var(--primary);border-color:rgba(34,227,182,.45);background:rgba(34,227,182,.08)}
.channel.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-11px;height:2px;border-radius:2px;background:var(--primary)}

/* mobile drawer */
.mobile-drawer{display:none;position:fixed;inset:0;z-index:200;background:rgba(7,11,20,.97);backdrop-filter:blur(16px);padding:24px 20px 40px;overflow-y:auto}
.mobile-drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:transparent;color:var(--text);display:grid;place-items:center;cursor:pointer}
.drawer-close svg{width:20px;height:20px;stroke:currentColor}
.drawer-nav{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer-nav a{padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--text);font-size:15px;background:rgba(255,255,255,.03)}
.drawer-nav a.is-active{color:var(--primary);border-color:rgba(34,227,182,.45);background:rgba(34,227,182,.08)}
.drawer-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- page head ---------- */
.page-head{position:relative;overflow:hidden;padding:56px 0 48px;border-bottom:1px solid var(--line)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.12;
}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.55) 0%,rgba(7,11,20,.92) 78%,var(--bg) 100%)}
.page-head .grid-container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3)}
.page-head h1{font-size:46px;line-height:1.16;font-weight:800;letter-spacing:-.02em;max-width:820px;margin-bottom:16px}
.page-head h1 .hl{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:16px;color:var(--text-2);max-width:640px;margin-bottom:24px}
.filter-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:6px;font-size:12px;font-weight:600;color:var(--primary);background:rgba(34,227,182,.12);border:1px solid rgba(34,227,182,.35);letter-spacing:.02em}
.pill-hot{color:var(--hot);background:rgba(255,77,109,.12);border-color:rgba(255,77,109,.4)}
.pill-warn{color:var(--warn);background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.4)}
.filter-pill{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);cursor:pointer;transition:all var(--t)}
.filter-pill:hover{color:var(--text);border-color:var(--line-strong)}
.filter-pill.is-on{color:var(--primary);border-color:rgba(34,227,182,.5);background:rgba(34,227,182,.1)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3}
.section-head .sub{font-size:14px;color:var(--text-2);margin-top:8px;max-width:520px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.18em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary)}

/* two-column intro cards + side panel */
.split-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.duo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.media-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:transform var(--t),box-shadow var(--t),border-color var(--t);height:100%;display:flex;flex-direction:column}
.media-card:hover{transform:translateY(-4px);border-color:rgba(34,227,182,.35);box-shadow:var(--shadow),0 0 0 1px rgba(34,227,182,.22)}
.media-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--t)}
.media-card:hover .thumb img{transform:scale(1.04)}
.media-card .thumb .pill{position:absolute;right:12px;bottom:12px;background:rgba(7,11,20,.78)}
.media-card .body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.icon-badge{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(34,227,182,.1);border:1px solid rgba(34,227,182,.28)}
.icon-badge svg{width:20px;height:20px;stroke:var(--primary)}
.media-card h3{font-size:20px;font-weight:600}
.media-card p{font-size:15px;color:var(--text-2);margin:0}
.glass-panel{
  position:sticky;top:140px;border-radius:var(--r-md);padding:26px;
  background:var(--glass);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.glass-panel h3{font-size:18px;margin-bottom:6px}
.glass-panel .panel-sub{font-size:13px;color:var(--text-3);margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.check-list svg{flex:0 0 auto;width:18px;height:18px;stroke:var(--primary);margin-top:3px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{position:relative;padding:26px 22px;border-radius:var(--r-md);background:var(--panel);border:1px solid var(--line);transition:transform var(--t),border-color var(--t)}
.step:hover{transform:translateY(-4px);border-color:rgba(34,227,182,.32)}
.step .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--primary);border:1px solid rgba(34,227,182,.45);background:rgba(34,227,182,.1);margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7}

/* risk list */
.risk-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);overflow:hidden}
.risk-row{display:grid;grid-template-columns:52px minmax(0,1.1fr) minmax(0,1.6fr) 24px;align-items:center;gap:20px;padding:22px 24px;border-bottom:1px solid var(--line);transition:background var(--t),transform var(--t)}
.risk-row:last-child{border-bottom:0}
.risk-row:hover{background:rgba(34,227,182,.05);transform:translateX(4px)}
.risk-row .r-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.risk-row .r-icon svg{width:20px;height:20px;stroke:var(--primary)}
.risk-row h3{font-size:17px;font-weight:600}
.risk-row .r-note{font-size:14px;color:var(--text-2);margin:0}
.risk-row .r-arrow{width:18px;height:18px;stroke:var(--text-3);transition:stroke var(--t),transform var(--t)}
.risk-row:hover .r-arrow{stroke:var(--primary);transform:translateX(3px)}

/* faq */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:40px;align-items:start}
.faq-aside h2{font-size:30px;margin-bottom:12px}
.faq-aside p{font-size:15px;color:var(--text-2)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item.is-open{border-color:rgba(34,227,182,.4);box-shadow:0 0 0 1px rgba(34,227,182,.18)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:0;color:var(--text);font-size:17px;font-weight:600;text-align:left;cursor:pointer;line-height:1.5;position:relative}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--primary);opacity:0;transition:opacity var(--t)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .sign{flex:0 0 auto;width:22px;height:22px;position:relative}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform var(--t),background var(--t)}
.faq-q .sign::before{left:0;right:0;top:10px;height:2px}
.faq-q .sign::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-q .sign::before{background:var(--primary)}
.faq-item.is-open .faq-q .sign::after{transform:rotate(90deg);background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--t)}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;color:var(--text-2);line-height:1.8}

/* related links */
.linkbar{border:1px solid var(--line);border-radius:var(--r-md);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:26px 28px}
.linkbar h3{font-size:13px;letter-spacing:.16em;color:var(--primary);font-weight:700;margin-bottom:16px;text-transform:uppercase}
.linkbar .pills{display:flex;flex-wrap:wrap;gap:10px}
.linkbar .pills a{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid var(--line-strong);background:rgba(255,255,255,.03);transition:all var(--t)}
.linkbar .pills a:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}

/* cta */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:48px;border:1px solid var(--line-strong);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.9}
.cta-band::after{content:"";position:absolute;width:320px;height:320px;right:-80px;top:-120px;border-radius:50%;background:radial-gradient(circle,rgba(34,227,182,.28),transparent 68%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;margin:0;max-width:520px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 28px;margin-top:96px}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:340px}
.qr-box{display:flex;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:var(--r-sm);background:rgba(255,255,255,.03);max-width:340px}
.qr-grid{flex:0 0 auto;width:52px;height:52px;border-radius:8px;background:
  repeating-linear-gradient(0deg,rgba(233,241,250,.6) 0 3px,transparent 3px 7px),
  repeating-linear-gradient(90deg,rgba(233,241,250,.6) 0 3px,transparent 3px 7px);
  border:1px solid var(--line-strong)}
.qr-box p{font-size:12px;color:var(--text-3);margin:0;line-height:1.6}
.qr-box strong{display:block;color:var(--text-2);font-size:13px;margin-bottom:2px}
.footer-col h3{font-size:13px;color:var(--primary);letter-spacing:.1em;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 10px}
.footer-col p.muted{font-size:13px;color:var(--text-3);line-height:1.7}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:var(--text-3)}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom-links a{font-size:13px;color:var(--text-3)}
.footer-bottom-links a:hover{color:var(--primary)}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--t),transform 520ms var(--t)}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:1199px){
  .grid-container{padding-left:28px;padding-right:28px}
  .page-head h1{font-size:40px}
  .split-layout{grid-template-columns:minmax(0,1fr) 300px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-cols{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:959px){
  .search-box{display:none}
  .ghost-link{display:none}
  .header-actions .btn-secondary{display:none}
  .nav-toggle{display:inline-flex}
  .header-channels{display:none}
  .page-head{padding:44px 0 36px}
  .page-head h1{font-size:34px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .section-head h2{font-size:24px}
  .split-layout{grid-template-columns:minmax(0,1fr)}
  .glass-panel{position:static}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:24px}
  .risk-row{grid-template-columns:44px minmax(0,1fr);gap:14px 16px;padding:20px}
  .risk-row .r-note{grid-column:1 / -1;padding-left:0}
  .risk-row .r-arrow{display:none}
  .cta-band{padding:32px}
  .cta-inner h2{font-size:24px}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px}
  .header-top-inner{gap:12px;min-height:62px}
  .brand-name{font-size:14px}
  .brand-sub{font-size:10px}
  .header-actions .btn-primary{height:40px;padding:0 16px;font-size:13px}
  .page-head h1{font-size:30px;letter-spacing:-.01em}
  .lede{font-size:15px}
  .duo-grid{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr)}
  .media-card .body{padding:20px}
  .cta-band{padding:26px 22px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-cols{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .linkbar{padding:22px 20px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .media-card:hover,.step:hover,.risk-row:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#0E1626;
  --primary:#22E3B6;
  --primary-deep:#0FA98A;
  --accent:#FF8A3D;
  --hot:#FF4D6D;
  --link:#5ED8FF;
  --link-hover:#8DE9FF;
  --text:#E9F1FA;
  --text-2:#93A6C0;
  --text-3:#5F7391;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55);
  --glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6;
  --warn:#FFC24B;
  --danger:#FF5B6E;
  --grad:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:6px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --ease:220ms cubic-bezier(.2,.8,.2,1);
  --gap-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--link);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--link-hover);}
p{margin:0 0 0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,button,select,textarea{font-family:inherit;}
::selection{background:rgba(34,227,182,.28);color:#fff;}

.grid-container{
  width:100%;
  max-width:1200px!important;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px!important;
  padding-right:32px!important;
}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{font-size:30px;font-weight:700;}
.section-head .sub{font-size:14px;color:var(--text-2);margin-top:8px;max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--grad);color:#05121C;box-shadow:var(--glow);}
.btn-primary:hover,.btn-primary:focus{color:#05121C;filter:brightness(1.08);transform:translateY(-2px);}
.btn-secondary{background:transparent;border-color:var(--line-strong);color:var(--primary);}
.btn-secondary:hover,.btn-secondary:focus{color:var(--primary);border-color:var(--primary);box-shadow:inset 0 0 18px rgba(34,227,182,.18);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn-block{width:100%;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;
  color:var(--primary);font-size:14px;font-weight:600;
}
.btn-ghost svg{width:16px;height:16px;transition:transform var(--ease);}
.btn-ghost:hover svg{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--radius-xs);
  font-size:12px;line-height:1;font-weight:500;
  border:1px solid rgba(34,227,182,.32);
  background:rgba(34,227,182,.12);
  color:var(--primary);
}
.pill-hot{border-color:rgba(255,77,109,.42);background:rgba(255,77,109,.12);color:var(--hot);}
.pill-warn{border-color:rgba(255,194,75,.4);background:rgba(255,194,75,.12);color:var(--warn);}
.pill-muted{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text-2);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(34,227,182,.9);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,20,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:inherit;}
.brand-mark{
  width:38px;height:38px;border-radius:var(--radius-sm);
  display:grid;place-items:center;
  background:var(--grad-soft);
  border:1px solid var(--line-strong);
  color:var(--primary);
  flex:0 0 38px;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-3);}
.search-box{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:420px;}
.search-box svg{position:absolute;left:15px;width:17px;height:17px;color:var(--text-3);pointer-events:none;}
.search-box input{
  width:100%;height:44px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text);font-size:14px;
  padding:0 18px 0 44px;
  transition:all var(--ease);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(34,227,182,.22);}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.ghost-link{font-size:14px;color:var(--text-2);white-space:nowrap;}
.ghost-link:hover{color:var(--primary);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line-strong);
  align-items:center;justify-content:center;color:var(--text);
  transition:all var(--ease);
}
.menu-toggle svg{width:20px;height:20px;}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}
.channels-wrap{border-top:1px solid var(--line);}
.channels-inner{display:flex;align-items:center;height:52px;}
.channels{
  display:flex;align-items:center;gap:8px;width:100%;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-behavior:smooth;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid transparent;
  font-size:14px;color:var(--text-2);
  transition:all var(--ease);
}
.channel:hover{color:var(--text);background:var(--glass);}
.channel.is-active{
  color:var(--primary);
  border-color:rgba(34,227,182,.38);
  background:rgba(34,227,182,.08);
}
.channel.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:3px;
  height:2px;border-radius:2px;background:var(--grad);
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:300;
  background:rgba(6,10,18,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:20px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.mobile-drawer[hidden]{display:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line-strong);
  display:grid;place-items:center;color:var(--text);
}
.drawer-close svg{width:18px;height:18px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--radius-sm);
  font-size:16px;color:var(--text-2);
  border:1px solid transparent;
  transition:all var(--ease);
}
.drawer-link:hover{color:var(--primary);background:var(--glass);border-color:var(--line);}
.drawer-link.is-active{color:var(--primary);border-color:rgba(34,227,182,.38);background:rgba(34,227,182,.08);}
.drawer-cta{margin-top:18px;display:grid;gap:12px;}

/* ---------- 页面头 ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:56px 0 48px;
  border-bottom:1px solid var(--line);
  background-color:var(--bg-2);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.12;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.72) 0%,rgba(7,11,20,.96) 100%);
}
.page-head .grid-container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{color:var(--text-3);}
.page-head h1{
  font-size:46px;font-weight:800;line-height:1.16;letter-spacing:-.02em;
  max-width:820px;margin-bottom:18px;
}
.page-head h1 em{font-style:normal;color:var(--primary);}
.page-lead{font-size:16px;color:var(--text-2);max-width:720px;line-height:1.85;}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.filter-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line-strong);
  font-size:14px;color:var(--text-2);background:rgba(255,255,255,.02);
  transition:all var(--ease);
}
.filter-pill:hover{color:var(--primary);border-color:rgba(34,227,182,.5);background:rgba(34,227,182,.08);}
.filter-pill.is-active{color:#05121C;background:var(--grad);border-color:transparent;font-weight:600;box-shadow:0 8px 22px rgba(34,227,182,.22);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,227,182,.4);box-shadow:0 0 0 1px rgba(34,227,182,.22),0 14px 34px rgba(0,0,0,.5);}
.cover-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.cover-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform 480ms var(--ease);}
.cover-card:hover .cover img{transform:scale(1.05);}
.cover-card .cover .pill{position:absolute;right:12px;bottom:12px;background:rgba(7,11,20,.82);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);}
.cover-card .body{padding:18px 20px 20px;}
.cover-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cover-card .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);}
.cover-card .meta .split{width:1px;height:12px;background:var(--line);}
.cover-card a.title-link{color:var(--text);}
.cover-card a.title-link:hover{color:var(--primary);}

/* 栅格间距 */
.grid-x.g-20{margin-left:-10px;margin-right:-10px;}
.grid-x.g-20>.cell{padding:10px;}
.grid-x.g-0{margin-left:0;margin-right:0;}
.grid-x.g-0>.cell{padding:0;}

/* ---------- 头条大卡 ---------- */
.lead-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.lead-card:hover{border-color:rgba(34,227,182,.4);box-shadow:0 0 0 1px rgba(34,227,182,.2),0 18px 40px rgba(0,0,0,.5);}
.lead-media{position:relative;min-height:300px;overflow:hidden;background:var(--bg-2);}
.lead-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.lead-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,0) 40%,rgba(14,22,38,.85) 100%);
}
.lead-media .pill{position:absolute;left:16px;top:16px;z-index:2;background:rgba(7,11,20,.82);}
.lead-body{padding:32px;display:flex;flex-direction:column;gap:16px;justify-content:center;height:100%;}
.lead-body h2{font-size:26px;line-height:1.4;font-weight:700;}
.lead-body h2 a{color:var(--text);}
.lead-body h2 a:hover{color:var(--primary);}
.lead-body p{font-size:15px;color:var(--text-2);}
.lead-facts{display:flex;flex-wrap:wrap;gap:10px;}
.lead-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px;}

/* ---------- 看点列表 ---------- */
.watch-panel{
  background:var(--glass);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:28px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.watch-panel h3{font-size:18px;margin-bottom:6px;}
.watch-panel .note{font-size:14px;color:var(--text-2);margin-bottom:20px;}
.watch-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 0;border-top:1px solid var(--line);
  transition:transform var(--ease);
}
.watch-item:hover{transform:translateX(4px);}
.watch-num{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;color:var(--primary);
  border:1px solid rgba(34,227,182,.32);
  background:rgba(34,227,182,.1);
}
.watch-item h4{font-size:15.5px;font-weight:600;margin-bottom:4px;}
.watch-item p{font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* ---------- 分组标题 ---------- */
.block-title{font-size:22px;font-weight:700;margin-bottom:8px;}
.block-note{font-size:14px;color:var(--text-2);margin-bottom:24px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item.is-open{border-color:rgba(34,227,182,.4);background:rgba(18,28,46,.72);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;
  border-radius:50%;border:1px solid var(--line-strong);
  transition:transform var(--ease),border-color var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);
  transform:translate(-50%,-50%);border-radius:2px;
  transition:background var(--ease);
}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--primary);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--primary);}
.faq-a{
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height 300ms var(--ease),opacity var(--ease);
}
.faq-item.is-open .faq-a{max-height:420px;opacity:1;}
.faq-a p{padding:0 22px 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:var(--grad-soft);opacity:.9;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(34,227,182,.28),transparent 70%);
}
.cta-band>*{position:relative;z-index:2;}
.cta-copy h2{font-size:28px;margin-bottom:10px;}
.cta-copy p{font-size:15px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 继续了解 ---------- */
.more-panel{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:32px;
}
.more-panel h2{font-size:20px;margin-bottom:8px;}
.more-panel p{font-size:14px;color:var(--text-2);margin-bottom:20px;}
.pill-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
.pill-row::-webkit-scrollbar{display:none;}
.pill-link{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line-strong);
  font-size:14px;color:var(--text-2);background:rgba(255,255,255,.02);
  transition:all var(--ease);
}
.pill-link:hover{color:var(--primary);border-color:rgba(34,227,182,.55);background:rgba(34,227,182,.09);}
.pill-link.is-current{color:var(--primary);border-color:rgba(34,227,182,.5);background:rgba(34,227,182,.12);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#050810;
  border-top:1px solid var(--line);
  padding:64px 0 32px;
}
.footer-cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:20px;max-width:360px;}
.qr-box{
  display:flex;align-items:center;gap:14px;
  padding:14px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
}
.qr-grid{
  flex:0 0 64px;width:64px;height:64px;border-radius:8px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.18) 2px,transparent 2px) 0 0/12px 12px,
    linear-gradient(rgba(255,255,255,.18) 2px,transparent 2px) 0 0/12px 12px,
    var(--bg-2);
  border:1px solid var(--line);
}
.qr-box p{font-size:12.5px;color:var(--text-2);line-height:1.7;}
.qr-box strong{display:block;color:var(--text);font-size:13.5px;margin-bottom:2px;}
.footer-col h3{font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.1em;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:8px;}
.footer-col .muted{font-size:13px;color:var(--text-3);line-height:1.75;margin-top:12px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:44px;padding-top:24px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{font-size:13px;color:var(--text-3);}
.footer-bottom-links a:hover{color:var(--primary);}

/* ---------- 可访问性 ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,.channel:focus-visible,.filter-pill:focus-visible,.pill-link:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--gap-section:72px;}
  .page-head h1{font-size:40px;}
  .lead-body{padding:26px;}
  .lead-body h2{font-size:23px;}
}
@media (max-width:1023px){
  .search-box{display:none;}
  .ghost-link{display:none;}
  .topbar-actions .btn-secondary{display:none;}
  .menu-toggle{display:inline-flex;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
  .lead-media{min-height:240px;}
  .lead-media::after{background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(14,22,38,.9) 100%);}
}
@media (max-width:767px){
  :root{--gap-section:56px;}
  .grid-container{padding-left:20px!important;padding-right:20px!important;}
  .topbar-inner{height:64px;gap:14px;}
  .brand-name{font-size:14.5px;}
  .brand-sub{display:none;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;}
  .page-head{padding:36px 0 32px;}
  .page-head h1{font-size:30px;line-height:1.24;}
  .page-lead{font-size:15px;}
  .section-head h2{font-size:22px;}
  .lead-body{padding:22px 20px 24px;}
  .lead-body h2{font-size:20px;}
  .lead-media{min-height:0;aspect-ratio:16/9;}
  .lead-media img{position:absolute;}
  .cta-band{padding:26px 22px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:15.5px;padding:16px 16px;}
  .faq-a p{padding:0 16px 18px 16px;font-size:14.5px;}
  .footer-cols{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .more-panel{padding:22px;}
  .watch-panel{padding:22px;}
}
@media (max-width:519px){
  .page-head h1{font-size:26px;}
  .topbar-actions .btn-primary{display:none;}
  .cover-card h3{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .card:hover,.watch-item:hover,.btn-primary:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#0E1626;
  --primary:#22E3B6;
  --primary-deep:#0FA98A;
  --accent:#FF8A3D;
  --hot:#FF4D6D;
  --link:#5ED8FF;
  --link-hover:#8DE9FF;
  --text:#E9F1FA;
  --text-2:#93A6C0;
  --text-3:#5F7391;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55);
  --glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6;
  --warn:#FFC24B;
  --danger:#FF5B6E;
  --grad-main:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --ease:220ms cubic-bezier(.2,.8,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -8%,rgba(34,227,182,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 2%,rgba(58,168,255,.09),transparent 60%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--link);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--link-hover);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
h1,h2,h3,h4{line-height:1.25;color:var(--text);font-weight:700;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.grid-container{
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
  width:100%;
}

/* ---------- 品牌 / 导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;}
.topbar{
  background:rgba(9,15,26,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:12px;
  color:#04121A;
  background-image:var(--grad-main);
  box-shadow:0 6px 18px rgba(34,227,182,.28);
}
.brand-mark svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.14em;}
.search-box{position:relative;flex:1 1 auto;max-width:400px;min-width:160px;}
.search-box input{
  width:100%;height:44px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:14px;
  padding:0 18px 0 44px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(34,227,182,.06);
  box-shadow:0 0 0 2px rgba(34,227,182,.22);
}
.search-icon{
  position:absolute;left:15px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--text-3);pointer-events:none;
}
.search-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5;}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.ghost-link{font-size:14px;color:var(--text-2);}
.ghost-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;}

.channels-wrap{
  background:rgba(9,15,26,.76);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.channels{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.05);}
.channel.is-active{
  color:var(--primary);
  border-color:rgba(34,227,182,.45);
  background:rgba(34,227,182,.10);
}
.channel.is-active::after{
  content:"";
  position:absolute;left:16px;right:16px;bottom:-9px;
  height:2px;border-radius:2px;background:var(--primary);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5;}
.btn-main{background-image:var(--grad-main);color:#04121A;box-shadow:var(--glow);}
.btn-main:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.08);}
.btn-main:active{transform:translateY(0);filter:brightness(.96);}
.btn-sub{background:transparent;border-color:var(--line-strong);color:var(--primary);}
.btn-sub:hover{
  color:var(--primary);
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:inset 0 0 0 1px rgba(34,227,182,.35);
}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-2);padding:0 8px;}
.btn-ghost:hover{color:var(--primary);}
.btn-ghost svg{transition:transform var(--ease);}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:10px;}

/* ---------- 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:6px;
  border:1px solid rgba(34,227,182,.32);
  background:rgba(34,227,182,.12);
  color:var(--primary);
  font-size:12px;line-height:1;
  white-space:nowrap;
}
.pill-soft{border-color:var(--line-strong);background:rgba(255,255,255,.04);color:var(--text-2);}
.pill-hot{border-color:rgba(255,77,109,.42);background:rgba(255,77,109,.12);color:var(--hot);}
.pill-warn{border-color:rgba(255,194,75,.42);background:rgba(255,194,75,.12);color:var(--warn);}

/* ---------- 页面头 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.12;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.55) 0%,rgba(7,11,20,.92) 100%);
}
.page-hero .inner{position:relative;z-index:2;padding:40px 0 48px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-2);}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.18;
  letter-spacing:-.02em;
  font-weight:800;
  max-width:860px;
  margin-bottom:16px;
}
.page-hero .lede{
  font-size:16px;color:var(--text-2);
  max-width:660px;margin-bottom:26px;
}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;}
.filter-pills .pill{
  height:32px;padding:0 16px;border-radius:var(--radius-pill);
  border-color:var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:13px;cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.filter-pills .pill:hover{color:var(--text);border-color:rgba(34,227,182,.4);}
.filter-pills .pill.is-active{
  border-color:rgba(34,227,182,.55);
  background:rgba(34,227,182,.12);
  color:var(--primary);
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:10px;}
.section-desc{font-size:14px;color:var(--text-2);max-width:600px;line-height:1.75;}
.section-head .head-side{flex:0 0 auto;}

/* ---------- 设备卡 ---------- */
.device-grid > .cell{display:flex;}
.device-card{
  width:100%;
  display:flex;flex-direction:column;gap:16px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.device-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow);
}
.device-icon{
  width:52px;height:52px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:14px;
  border:1px solid rgba(34,227,182,.24);
  background:rgba(34,227,182,.08);
  color:var(--primary);
}
.device-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.device-card h3{font-size:20px;font-weight:600;}
.device-meta{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.device-specs{display:grid;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.device-specs li{display:flex;gap:10px;align-items:flex-start;}
.device-specs li::before{
  content:"";flex:0 0 auto;
  width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--primary);
}
.device-card .btn{margin-top:auto;}
.notice-bar{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:24px;padding:18px 22px;
  border-radius:var(--radius-sm);
  border:1px dashed rgba(255,194,75,.35);
  background:rgba(255,194,75,.06);
  color:var(--text-2);font-size:14px;line-height:1.75;
}
.notice-bar svg{width:20px;height:20px;flex:0 0 auto;margin-top:3px;stroke:var(--warn);fill:none;stroke-width:1.5;}

/* ---------- 步骤 ---------- */
.step-card{
  height:100%;
  display:flex;flex-direction:column;gap:12px;
  padding:24px;
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(34,227,182,.06),rgba(14,22,38,1));
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.step-card:hover{border-color:rgba(34,227,182,.32);transform:translateY(-3px);}
.step-num{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(34,227,182,.14);
  border:1px solid rgba(34,227,182,.42);
  color:var(--primary);
  font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:600;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- 版本记录 ---------- */
.version-list{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  overflow:hidden;
}
.version-row{
  display:grid;
  grid-template-columns:150px 1fr 40px;
  gap:20px;
  align-items:center;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.version-row:last-child{border-bottom:none;}
.version-row:hover{background:rgba(255,255,255,.035);}
.version-tag{
  font-size:16px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.version-date{
  display:block;font-size:12px;color:var(--text-3);
  font-variant-numeric:tabular-nums;margin-top:4px;font-weight:400;
}
.version-body h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--text);}
.version-body p{font-size:14px;color:var(--text-2);line-height:1.7;}
.version-arrow{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--text-2);
  transition:border-color var(--ease),color var(--ease),transform var(--ease),background var(--ease);
}
.version-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.5;}
.version-row:hover .version-arrow{
  border-color:var(--primary);color:var(--primary);background:rgba(34,227,182,.08);transform:translateX(2px);
}

/* ---------- 核对面板 ---------- */
.check-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:stretch;
}
.check-figure{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  min-height:320px;
}
.check-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.check-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;
  font-size:13px;color:var(--text-2);
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(7,11,20,.92));
}
.glass-card{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:inset 0 1px 0 var(--glass-hi);
}
.glass-card h3{font-size:20px;font-weight:600;margin-bottom:16px;}
.check-list{display:grid;gap:16px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.75;}
.check-list li strong{color:var(--text);font-weight:600;}
.check-mark{
  flex:0 0 auto;width:24px;height:24px;margin-top:2px;
  border-radius:8px;display:grid;place-items:center;
  background:rgba(34,227,182,.14);border:1px solid rgba(34,227,182,.34);color:var(--primary);
}
.check-mark svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item:last-child{margin-bottom:0;}
.faq-item.is-open{border-color:rgba(34,227,182,.32);background:rgba(20,32,52,.7);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 24px;
  background:none;border:0;
  color:var(--text);
  font-size:17px;font-weight:600;text-align:left;
  cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:60%;border-radius:0 3px 3px 0;background:var(--primary);
  transition:transform var(--ease);
}
.faq-item.is-open .faq-q::before{transform:translateY(-50%) scaleY(1);}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;
  transition:background var(--ease);
}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--primary);}
.faq-a{padding:0 24px 20px;font-size:15px;color:var(--text-2);line-height:1.8;display:none;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- 继续了解 ---------- */
.more-links{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:26px 30px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--panel);
}
.more-links .label{font-size:14px;color:var(--text-3);margin-right:6px;}
.more-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14px;
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.more-pill:hover{
  color:var(--primary);border-color:rgba(34,227,182,.45);
  background:rgba(34,227,182,.1);transform:translateY(-2px);
}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background-image:var(--grad-soft);
  opacity:.9;pointer-events:none;
}
.cta-banner::after{
  content:"";position:absolute;right:-80px;top:-120px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(34,227,182,.24),transparent 68%);
  pointer-events:none;
}
.cta-banner > *{position:relative;z-index:2;}
.cta-banner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:10px;}
.cta-banner p{font-size:15px;color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  margin-top:96px;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8;}
.qr-box{
  display:flex;gap:14px;align-items:center;
  margin-top:20px;padding:14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  max-width:360px;
}
.qr-grid{
  width:60px;height:60px;flex:0 0 auto;border-radius:8px;
  background-color:#E9F1FA;
  background-image:
    repeating-linear-gradient(90deg,rgba(11,18,32,.92) 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,rgba(11,18,32,.92) 0 6px,transparent 6px 12px);
  background-blend-mode:multiply;
}
.qr-box p{font-size:13px;color:var(--text-3);line-height:1.7;}
.qr-box strong{display:block;color:var(--text-2);font-size:13px;margin-bottom:2px;}
.footer-col h3{
  font-size:13px;font-weight:600;color:var(--primary);
  letter-spacing:.08em;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:6px;}
.footer-col .muted{font-size:13px;color:var(--text-3);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding:22px 0;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom-links a{font-size:13px;color:var(--text-3);}
.footer-bottom-links a:hover{color:var(--primary);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(7,11,20,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:20px;
  overflow-y:auto;
}
.mobile-drawer[hidden]{display:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;display:grid;place-items:center;
}
.drawer-close svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;}
.drawer-nav{display:grid;gap:10px;margin-bottom:24px;}
.drawer-nav a{
  display:block;padding:14px 18px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:15px;
}
.drawer-nav a.is-active{color:var(--primary);border-color:rgba(34,227,182,.45);background:rgba(34,227,182,.1);}
.drawer-actions{display:grid;gap:12px;}
body.drawer-open{overflow:hidden;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:26px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
  .check-panel{grid-template-columns:1fr;gap:24px;}
  .check-figure{min-height:240px;}
  .cta-banner{padding:34px 30px;}
}
@media (max-width:959px){
  .topbar-actions .ghost-link{display:none;}
  .search-box{max-width:260px;}
  .channels{padding-left:24px;padding-right:24px;}
  .version-row{grid-template-columns:120px 1fr 36px;gap:16px;padding:20px;}
}
@media (max-width:768px){
  .search-box{display:none;}
  .topbar-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .channels{height:50px;padding-left:20px;padding-right:20px;}
  .page-hero .inner{padding:32px 0 40px;}
  .page-hero .lede{font-size:15px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:24px;}
  .section-head h2{font-size:22px;}
  .footer-cols{grid-template-columns:1fr;gap:28px;}
  .version-row{grid-template-columns:1fr;gap:10px;padding:18px;}
  .version-row .version-arrow{display:none;}
  .version-tag{display:flex;align-items:baseline;gap:10px;}
  .version-date{display:inline;margin-top:0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .device-card{padding:22px;}
  .glass-card{padding:24px;}
  .more-links{padding:20px;}
}
@media (max-width:520px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .brand-name{font-size:14px;}
  .brand-sub{font-size:10px;}
  .page-hero h1{font-size:26px;}
  .faq-q{font-size:15px;padding:16px 18px 16px 20px;}
  .faq-a{padding:0 20px 18px;font-size:14px;}
  .more-pill{font-size:13px;height:32px;padding:0 14px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .device-card:hover,.version-row:hover .version-arrow,.more-pill:hover,.btn:hover{transform:none;}
}

/* roulang page: category5 */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --panel:#0E1626;
  --primary:#22E3B6;
  --primary-deep:#0FA98A;
  --accent:#FF8A3D;
  --hot:#FF4D6D;
  --link:#5ED8FF;
  --link-hover:#8DE9FF;
  --text:#E9F1FA;
  --text-2:#93A6C0;
  --text-3:#5F7391;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,220,255,.18);
  --glass:rgba(18,28,46,.55);
  --glass-hi:rgba(255,255,255,.06);
  --success:#22E3B6;
  --warn:#FFC24B;
  --danger:#FF5B6E;
  --grad-main:linear-gradient(135deg,#22E3B6 0%,#3AA8FF 100%);
  --grad-soft:linear-gradient(160deg,rgba(34,227,182,.18),rgba(58,168,255,.06));
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(34,227,182,.35),0 10px 30px rgba(34,227,182,.22);
  --ease:220ms cubic-bezier(.2,.8,.2,1);
  --gap:24px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--link);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--link-hover)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,227,182,.28);color:#fff}

/* Foundation overrides */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
body,html{color-scheme:dark}
h1,h2,h3,h4{color:var(--text);font-weight:700;letter-spacing:-.01em}
p{color:var(--text-2)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100}
.topbar{
  background:rgba(9,14,24,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:height var(--ease);
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:76px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad-main);
  box-shadow:var(--glow);
}
.brand-mark svg{width:20px;height:20px;stroke:#04120E;fill:none}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.14em}
.search-box{
  position:relative;
  flex:1 1 auto;
  max-width:420px;
}
.search-box svg{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--text-3);fill:none;pointer-events:none;
}
.search-box input{
  width:100%;height:44px;
  padding:0 42px 0 42px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(34,227,182,.06);
  box-shadow:0 0 0 3px rgba(34,227,182,.16);
}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.ghost-link{
  font-size:14px;color:var(--text-2);
  padding:8px 4px;
  border-bottom:2px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.ghost-link:hover{color:var(--primary);border-bottom-color:rgba(34,227,182,.5)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;line-height:1;
  white-space:nowrap;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{height:36px;padding:0 18px;font-size:13px;border-radius:10px}
.btn-primary{
  background:var(--grad-main);
  color:#04140F;
  box-shadow:0 0 0 1px rgba(34,227,182,.30),0 10px 30px rgba(34,227,182,.20);
}
.btn-primary:hover,.btn-primary:focus{
  color:#04140F;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(34,227,182,.45),0 14px 36px rgba(34,227,182,.30);
}
.btn-secondary{
  background:transparent;
  color:var(--primary);
  border:1px solid var(--line-strong);
}
.btn-secondary:hover,.btn-secondary:focus{
  color:var(--primary);
  border-color:var(--primary);
  box-shadow:inset 0 0 18px rgba(34,227,182,.15);
  transform:translateY(-2px);
}
.btn-ghost{
  background:rgba(255,255,255,.05);
  color:var(--text);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* Channels */
.channels-wrap{
  background:rgba(7,11,20,.82);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.channels{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  scroll-behavior:smooth;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.05)}
.channel.is-active{
  color:var(--primary);
  border-color:rgba(34,227,182,.45);
  background:rgba(34,227,182,.10);
  box-shadow:inset 0 -2px 0 0 var(--primary);
}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  place-items:center;
}
.menu-toggle svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.5;stroke-linecap:round}
.search-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);place-items:center;
}
.search-toggle svg{width:18px;height:18px;stroke:var(--text);fill:none;stroke-width:1.5}

/* Mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(5,9,16,.97);
  backdrop-filter:blur(18px);
  display:flex;flex-direction:column;
  padding:24px 20px 32px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease);
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);display:grid;place-items:center;
}
.drawer-close svg{width:18px;height:18px;stroke:var(--text);fill:none;stroke-width:1.5;stroke-linecap:round}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--primary)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto}
.drawer-actions .btn{width:100%}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
  padding:56px 0 48px;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/coverpic/cover-5.webp");
  background-size:cover;background-position:center;
  opacity:.10;
  filter:saturate(.6);
}
.page-hero::after{
  content:"";
  position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(34,227,182,.20),transparent 68%);
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-3)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;margin-bottom:18px;
  border-radius:6px;
  border:1px solid rgba(34,227,182,.35);
  background:rgba(34,227,182,.10);
  font-size:12px;color:var(--primary);letter-spacing:.02em;
}
.dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 3px rgba(34,227,182,.18);
}
.page-hero h1{
  font-size:46px;line-height:1.16;font-weight:800;letter-spacing:-.02em;
  max-width:880px;margin-bottom:18px;
  color:#fff;
}
.page-hero h1 .hl{
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{
  font-size:16px;line-height:1.85;color:var(--text-2);
  max-width:660px;margin-bottom:26px;
}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-2);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.pill:hover{color:var(--primary);border-color:rgba(34,227,182,.5);background:rgba(34,227,182,.08)}
.pill.is-active{color:var(--primary);border-color:var(--primary);background:rgba(34,227,182,.12)}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:6px;
  border:1px solid rgba(34,227,182,.30);
  background:rgba(34,227,182,.10);
  font-size:12px;color:var(--primary);
}
.tag-hot{border-color:rgba(255,77,109,.4);background:rgba(255,77,109,.12);color:var(--hot)}
.tag-warn{border-color:rgba(255,194,75,.4);background:rgba(255,194,75,.12);color:var(--warn)}

/* ---------- Sections ---------- */
.section{padding:var(--section) 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:36px;max-width:720px}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:10px}
.section-head p{font-size:15px;color:var(--text-2)}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.18em;
  color:var(--primary);margin-bottom:12px;text-transform:uppercase;
}

/* FAQ layout */
.faq-layout{padding:0}
.faq-aside{position:relative}
.aside-inner{
  position:sticky;top:150px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
}
.aside-inner h2{
  font-size:14px;font-weight:600;color:var(--text-3);
  letter-spacing:.06em;margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:6px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:14px;color:var(--text-2);
  border-left:3px solid transparent;
  transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease);
}
.anchor-list a:hover,.anchor-list a:focus{
  color:var(--primary);
  background:rgba(34,227,182,.08);
  border-left-color:var(--primary);
  transform:translateX(2px);
}
.anchor-list .num{
  font-size:12px;color:var(--text-3);
  min-width:18px;
}
.anchor-list a:hover .num{color:var(--primary)}
.aside-note{
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--text-3);
}
.aside-note .btn{width:100%;margin-top:14px}

.faq-group{margin-bottom:40px;scroll-margin-top:150px}
.faq-group:last-child{margin-bottom:0}
.group-head{
  display:flex;align-items:center;gap:12px;
  margin-bottom:16px;
}
.group-head h2{font-size:22px;line-height:1.35}
.group-head .count{
  font-size:12px;color:var(--text-3);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:2px 10px;
}
.group-desc{font-size:14px;color:var(--text-3);margin-bottom:18px;max-width:680px}

.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{
  border-color:rgba(34,227,182,.40);
  box-shadow:0 0 0 1px rgba(34,227,182,.16),0 10px 26px rgba(0,0,0,.35);
  background:rgba(20,32,52,.66);
}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  position:relative;
  transition:color var(--ease);
}
.faq-q::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);
  opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line-strong);
  display:grid;place-items:center;
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.faq-icon svg{width:14px;height:14px;stroke:var(--text-2);fill:none;stroke-width:1.5;stroke-linecap:round}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  border-color:var(--primary);
  background:rgba(34,227,182,.12);
}
.faq-item.is-open .faq-icon svg{stroke:var(--primary)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 260ms cubic-bezier(.2,.8,.2,1);
}
.faq-a-inner{
  padding:0 22px 20px 22px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-a-inner p+p{margin-top:12px}
.faq-a-inner strong{color:var(--text);font-weight:600}
.faq-a-inner ul{margin:12px 0 0;display:flex;flex-direction:column;gap:8px}
.faq-a-inner li{
  position:relative;padding-left:18px;
}
.faq-a-inner li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.8;
}

/* Contact strip */
.contact-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.contact-strip h2{font-size:20px;margin-bottom:6px}
.contact-strip p{font-size:14px;color:var(--text-2);max-width:640px}
.contact-strip .actions{display:flex;gap:12px;flex-wrap:wrap}

/* Continue links */
.continue-box{
  padding:28px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--grad-soft);
}
.continue-box h2{font-size:18px;margin-bottom:16px}
.continue-links{
  display:flex;flex-wrap:wrap;gap:10px;
}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  background:#060A12;
  padding:64px 0 0;
  margin-top:0;
}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-2);margin-bottom:18px}
.qr-box{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.qr-grid{
  flex:0 0 auto;
  width:60px;height:60px;border-radius:10px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.22) 2px,transparent 2px) 0 0/12px 12px,
    linear-gradient(0deg,rgba(255,255,255,.22) 2px,transparent 2px) 0 0/12px 12px,
    #0B1220;
  border:1px solid var(--line-strong);
}
.qr-box p{font-size:12.5px;line-height:1.7;color:var(--text-3);margin:0}
.qr-box strong{display:block;color:var(--text-2);font-weight:600;margin-bottom:4px;font-size:13px}
.footer-col h3{
  font-size:13px;font-weight:600;color:var(--primary);
  letter-spacing:.08em;margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:var(--text-2);
  transition:color var(--ease),padding-left var(--ease);
}
.footer-col a:hover{color:var(--primary);padding-left:2px}
.footer-col p{font-size:13.5px;color:var(--text-2);margin-bottom:10px;line-height:1.7}
.footer-col p.muted{color:var(--text-3);font-size:12.5px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{color:var(--text-3);font-size:13px}
.footer-bottom-links a:hover{color:var(--primary)}

/* Reveal */
.fade-up{opacity:0;transform:translateY(14px);transition:opacity 520ms ease,transform 520ms ease}
.fade-up.is-in{opacity:1;transform:none}

@media (max-width:1199px){
  .page-hero h1{font-size:40px}
  .footer-cols{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:959px){
  :root{--section:72px}
  .grid-container{padding-left:24px;padding-right:24px}
  .search-box{display:none}
  .search-toggle{display:grid}
  .ghost-link{display:none}
  .topbar-actions .btn-ghost{display:none}
  .menu-toggle{display:grid}
  .page-hero{padding:44px 0 40px}
  .page-hero h1{font-size:34px}
  .section-head h2{font-size:26px}
  .aside-inner{position:static;margin-bottom:24px}
  .anchor-list{flex-direction:row;flex-wrap:wrap;gap:8px;overflow-x:auto}
  .anchor-list a{
    border-left:0;border:1px solid var(--line-strong);
    border-radius:var(--radius-pill);padding:8px 14px;background:rgba(255,255,255,.03);
  }
  .aside-note{display:none}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  :root{--section:56px}
  .grid-container{padding-left:20px;padding-right:20px}
  .topbar-inner{height:64px;gap:12px}
  .brand-name{font-size:14.5px}
  .brand-sub{font-size:10px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .topbar-actions .btn-primary{display:none}
  .page-hero h1{font-size:30px}
  .lede{font-size:15px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .contact-strip{padding:22px 20px}
  .contact-strip .actions{width:100%}
  .contact-strip .actions .btn{width:100%}
  .continue-box{padding:22px 20px}
  .footer-cols{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom-links{gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .fade-up{opacity:1;transform:none}
}