/* roulang page: index */
:root{
  --primary:#22D3C5;
  --primary-soft:rgba(34,211,197,.12);
  --primary-line:rgba(34,211,197,.14);
  --accent:#FF2E88;
  --amber:#FFC94D;
  --bg:#0B0820;
  --bg-2:#1B1236;
  --surface:#141029;
  --surface-2:#1C1638;
  --text:#F3F1FB;
  --text-2:#A9A3C7;
  --text-3:#6F6A8C;
  --success:#35D07F;
  --warning:#FFB020;
  --danger:#FF5A6E;
  --border:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(6,4,20,.55);
  --shadow-hover:0 14px 36px rgba(34,211,197,.18);
  --gap:24px;
  --section:88px;
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Roboto Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size:34px 34px;
  opacity:.5;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:120px 120px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#5fe6da;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1{font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.4px;}
h2{font-size:32px;line-height:1.34;font-weight:800;letter-spacing:-.3px;}
h3{font-size:22px;line-height:1.45;font-weight:700;}
::selection{background:rgba(34,211,197,.35);color:#fff;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:var(--section) 0;position:relative;z-index:1;}
.section-alt{background:linear-gradient(180deg, rgba(27,18,54,.55), rgba(11,8,32,0));}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,8,32,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,8,32,.95);
  border-bottom-color:var(--border);
  box-shadow:0 8px 30px rgba(4,2,14,.6);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s ease;}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);text-decoration:none;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#22D3C5 0%,#FF2E88 100%);
  box-shadow:0 6px 18px rgba(34,211,197,.28);
  flex:0 0 36px;
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.nav-menu{flex:1 1 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-width:0;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  text-decoration:none;
  transition:color .2s ease, background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  padding:8px 16px;
  transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);background:rgba(34,211,197,.08);box-shadow:0 0 0 3px rgba(34,211,197,.16);}
.nav-search svg{width:15px;height:15px;flex:0 0 15px;stroke:var(--text-3);fill:none;stroke-width:2;}
.nav-search input{
  background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;font-family:inherit;width:150px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;
  width:42px;height:42px;flex:0 0 42px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:.2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:var(--primary);}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(4,2,14,.66);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:70;
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#04231f;box-shadow:0 6px 18px rgba(34,211,197,.2);}
.btn-primary:hover{background:#41e2d5;color:#04231f;transform:translateY(-1px);box-shadow:0 0 0 6px rgba(34,211,197,.16),0 12px 26px rgba(34,211,197,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(34,211,197,.2);}
.btn-outline{background:transparent;color:var(--text);border-color:rgba(34,211,197,.45);}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--text);}
.btn-outline:active{background:rgba(34,211,197,.2);}
.btn-ghost{background:transparent;color:var(--text-2);padding:12px 14px;}
.btn-ghost:hover{color:var(--primary);}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- Tags & badges ---------- */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:var(--primary-soft);color:var(--primary);
  border:1px solid var(--primary-line);
}
.tag-accent{background:rgba(255,46,136,.14);color:#ff7ab8;border-color:rgba(255,46,136,.28);}
.tag-amber{background:rgba(255,201,77,.14);color:var(--amber);border-color:rgba(255,201,77,.26);}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--primary);text-transform:uppercase;
  margin-bottom:14px;
}
.section-tag::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}

/* ---------- Section head ---------- */
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.section-head-row .section-head-inner{max-width:720px;}
.link-more{font-size:14.5px;font-weight:600;color:var(--primary);white-space:nowrap;}
.link-more:hover{color:#5fe6da;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 84px;
  z-index:1;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg, rgba(11,8,32,.95) 0%, rgba(11,8,32,.78) 45%, rgba(27,18,54,.62) 100%);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-copy{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--primary);
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(34,211,197,.1);
  border:1px solid var(--primary-line);
  margin-bottom:22px;
}
.hero-copy h1{margin-bottom:20px;}
.hero-sub{color:var(--text-2);font-size:17px;line-height:1.8;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat strong{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:800;color:var(--amber);line-height:1.2;
}
.stat span{font-size:13.5px;color:var(--text-3);}
.hero-art{position:relative;z-index:2;}
.hero-art-frame{
  border-radius:20px;overflow:hidden;
  border:1px solid var(--primary-line);
  box-shadow:0 22px 60px rgba(4,2,14,.7);
  background:var(--surface);
}
.hero-art-frame img{width:100%;height:360px;object-fit:cover;}
.hero-badge{
  position:absolute;left:-14px;bottom:22px;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:rgba(20,16,41,.94);
  border:1px solid var(--primary-line);
  font-size:13.5px;font-weight:600;color:var(--text);
  box-shadow:0 10px 30px rgba(4,2,14,.6);
}
.hero-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 10px var(--success);}
.hero-constellation{
  position:absolute;right:36px;top:44px;width:220px;height:150px;
  z-index:1;opacity:.55;pointer-events:none;
}
.hero-constellation line{stroke:rgba(34,211,197,.5);stroke-width:1.2;}
.hero-constellation circle{fill:var(--primary);}

/* ---------- Compare ---------- */
.compare-scroll{overflow-x:auto;padding-bottom:6px;}
.compare{
  display:grid;
  grid-template-columns:1.5fr repeat(4,minmax(150px,1fr));
  min-width:860px;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:linear-gradient(165deg, rgba(28,22,56,.9), rgba(20,16,41,.75));
  box-shadow:var(--shadow-card);
}
.compare-cell{
  padding:18px 18px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;color:var(--text-2);
}
.compare-cell:not(:last-child){border-right:1px solid rgba(255,255,255,.05);}
.compare-row-start{border-top:0;}
.compare-head{
  flex-direction:column;align-items:flex-start;gap:4px;
  padding-top:24px;padding-bottom:22px;
  background:rgba(34,211,197,.05);
  color:var(--text);
}
.compare-head .plan-name{font-size:17px;font-weight:800;color:var(--text);}
.compare-head .plan-note{font-size:12.5px;color:var(--text-3);font-weight:500;}
.compare-head.is-featured{background:rgba(255,46,136,.1);box-shadow:inset 0 3px 0 var(--accent);}
.compare-head.is-featured .plan-name{color:#ff8dc0;}
.compare-item-name{color:var(--text);font-weight:600;font-size:15px;}
.compare-yes{color:var(--primary);font-weight:700;font-size:16px;}
.compare-yes svg{width:17px;height:17px;stroke:var(--primary);fill:none;stroke-width:2.4;}
.compare-no{color:var(--text-3);font-weight:700;letter-spacing:2px;}
.compare-row:last-child .compare-cell{border-bottom:0;}
.compare-scroll{scrollbar-width:thin;}

/* ---------- Plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:start;}
.plan-card{
  position:relative;
  padding:32px 28px 30px;
  border-radius:var(--radius-card);
  background:linear-gradient(170deg, rgba(28,22,56,.92), rgba(20,16,41,.8));
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,197,.35);}
.plan-card.is-featured{
  transform:translateY(-8px);
  border-color:var(--primary);
  box-shadow:0 16px 44px rgba(34,211,197,.22);
}
.plan-card.is-featured:hover{transform:translateY(-12px);}
.plan-ribbon{
  position:absolute;top:-13px;left:28px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;
  box-shadow:0 6px 18px rgba(255,46,136,.35);
}
.plan-name{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--primary);letter-spacing:1.4px;margin-bottom:8px;}
.plan-card h3{font-size:23px;margin-bottom:16px;}
.plan-price{
  display:flex;align-items:baseline;gap:4px;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  color:var(--amber);font-size:40px;font-weight:800;line-height:1;margin-bottom:6px;
}
.plan-price .cur{font-size:20px;font-weight:700;}
.plan-price .per{font-size:14px;font-weight:600;color:var(--text-3);font-family:var(--font);}
.plan-desc{font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.plan-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.65;}
.plan-list li::before{
  content:"";flex:0 0 7px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);margin-top:9px;box-shadow:0 0 8px rgba(34,211,197,.6);
}

/* ---------- Cover grid ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.cover-card{
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,197,.35);}
.cover-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.cover-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.cover-card:hover .cover-media img{transform:scale(1.03);}
.cover-lock{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  background:rgba(11,8,32,.66);
  backdrop-filter:blur(2px);
  color:var(--text);
  font-size:13px;font-weight:600;
}
.cover-lock svg{width:24px;height:24px;stroke:var(--amber);fill:none;stroke-width:1.8;}
.cover-type{
  position:absolute;left:12px;top:12px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;
  background:rgba(11,8,32,.82);
  color:var(--primary);
  border:1px solid var(--primary-line);
}
.cover-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.cover-body h3{font-size:17px;line-height:1.5;}
.cover-meta{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* ---------- Voice ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.voice-card{
  padding:28px 26px;
  border-radius:var(--radius-card);
  background:linear-gradient(170deg, rgba(28,22,56,.85), rgba(20,16,41,.7));
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease;
}
.voice-card:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.3);}
.voice-quote{font-size:15.5px;color:var(--text);line-height:1.85;margin-bottom:20px;}
.voice-person{display:flex;align-items:center;gap:12px;}
.voice-avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#22D3C5,#FF2E88);
  font-size:15px;font-weight:800;color:#08101f;
}
.voice-person strong{display:block;font-size:14.5px;}
.voice-person span{font-size:12.5px;color:var(--text-3);}

/* ---------- News / CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px 24px;
  border-radius:var(--radius-card);
  background:linear-gradient(165deg, rgba(34,211,197,.06), rgba(255,46,136,.04));
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  color:var(--text);
  text-decoration:none;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,197,.4);color:var(--text);}
.news-card h3{font-size:18px;line-height:1.55;}
.news-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-meta .more{color:var(--primary);font-weight:600;}
.news-empty{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:64px 24px;text-align:center;
  border:1px dashed var(--primary-line);
  border-radius:var(--radius-card);
  background:rgba(34,211,197,.04);
}
.news-empty svg{width:40px;height:40px;stroke:var(--text-3);fill:none;stroke-width:1.6;}
.news-empty p{color:var(--text-2);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:24px 4px;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
  text-align:left;cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;color:currentColor;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 4px 24px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:800px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;
  padding:56px 48px;
  background:linear-gradient(115deg, rgba(34,211,197,.9) 0%, rgba(34,211,197,.55) 38%, rgba(255,46,136,.72) 100%);
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 24px 60px rgba(34,211,197,.16);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,.28), transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;color:#08131c;max-width:640px;}
.cta-copy h2{color:#06171b;margin-bottom:14px;}
.cta-points{display:flex;gap:26px;flex-wrap:wrap;margin-top:20px;}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:#08222a;}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:#08131c;}
.cta-actions{position:relative;z-index:1;flex:0 0 auto;display:flex;gap:12px;flex-wrap:wrap;}
.btn-contrast{background:#0B0820;color:#F3F1FB;box-shadow:0 10px 28px rgba(6,4,20,.35);}
.btn-contrast:hover{background:#191243;color:#fff;transform:translateY(-1px);}
.btn-contrast-line{background:transparent;color:#06171b;border-color:rgba(6,23,27,.45);}
.btn-contrast-line:hover{background:rgba(6,23,27,.1);color:#06171b;border-color:#06171b;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--section);
  border-top:1px solid var(--border);
  background:linear-gradient(180deg, rgba(27,18,54,.6), rgba(8,6,22,.95));
  padding:64px 0 0;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:320px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  transition:.2s ease;
}
.footer-social a:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.footer-social svg{width:17px;height:17px;stroke:var(--text-2);fill:none;stroke-width:1.8;}
.footer-social a:hover svg{stroke:var(--primary);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-col p{font-size:14.5px;color:var(--text-2);line-height:1.9;}
.footer-bottom{
  margin-top:52px;padding:22px 0;
  border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  h1{font-size:38px;}
  .hero-inner{gap:40px;}
  .hero-art-frame img{height:320px;}
  .compare{grid-template-columns:1.4fr repeat(4,minmax(140px,1fr));}
}
@media (max-width:991px){
  :root{--section:72px;}
  .nav-toggle{display:grid;}
  .nav-menu{
    position:fixed;top:0;right:0;
    height:100vh;width:min(330px,86vw);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:28px;
    padding:96px 24px 32px;
    background:linear-gradient(180deg,#1B1236,#100C28);
    border-left:1px solid var(--border);
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:75;
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .main-nav{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:16px;}
  .nav-tools{flex-direction:column;align-items:stretch;gap:12px;}
  .nav-search{width:100%;}
  .nav-search input{width:100%;}
  .nav-tools .btn{width:100%;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-art{order:-1;}
  .hero-art-frame img{height:260px;}
  .hero-badge{left:12px;bottom:12px;}
  .hero-constellation{right:12px;top:12px;width:150px;height:110px;}
  .plan-grid{grid-template-columns:1fr 1fr;}
  .plan-card.is-featured{transform:none;}
  .plan-card.is-featured:hover{transform:translateY(-4px);}
  .cover-grid{grid-template-columns:1fr 1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  h2{font-size:28px;}
}
@media (max-width:767px){
  :root{--section:56px;--gap:16px;}
  body{font-size:15px;}
  h1{font-size:30px;line-height:1.3;}
  h2{font-size:24px;line-height:1.38;}
  h3{font-size:18px;}
  .container{padding:0 16px;}
  .hero{padding:48px 0 56px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{gap:22px;}
  .stat strong{font-size:24px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{margin-bottom:32px;}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .compare-scroll{margin:0 -16px;padding:0 16px 10px;}
  .compare{min-width:760px;grid-template-columns:1.3fr repeat(4,minmax(130px,1fr));}
  .compare-cell{padding:15px 14px;font-size:13.5px;}
  .plan-grid{grid-template-columns:1fr;}
  .cover-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:15.5px;padding:20px 2px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .hero-art-frame img{height:200px;}
  .hero-badge{font-size:12.5px;padding:8px 14px;}
  .hero-constellation{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg:#0B0820;
  --bg-deep:#090617;
  --bg-soft:#1B1236;
  --card:#140F2E;
  --card-2:#191235;
  --primary:#22D3C5;
  --primary-soft:rgba(34,211,197,.12);
  --accent:#FF2E88;
  --gold:#FFC94D;
  --success:#35D07F;
  --warning:#FFB020;
  --error:#FF5A6E;
  --text:#F3F1FB;
  --muted:#A9A3C7;
  --faint:#6F6A8C;
  --line:rgba(34,211,197,.14);
  --line-2:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(6,4,20,.55);
  --shadow-hover:0 14px 36px rgba(34,211,197,.18);
  --font: "PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono: ui-monospace,"SFMono-Regular","Cascadia Mono","Roboto Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:52px 52px, 130px 130px, 130px 130px;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:#5EEBE0;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-family:var(--mono);letter-spacing:.02em;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  border:1px solid transparent;background:transparent;color:var(--text);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .24s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#06231F;box-shadow:0 6px 18px rgba(34,211,197,.18);}
.btn-primary:hover{background:#3EE2D3;color:#06231F;transform:translateY(-1px);box-shadow:0 0 0 8px rgba(34,211,197,.12),0 12px 26px rgba(34,211,197,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(34,211,197,.22);}
.btn-outline{border-color:rgba(34,211,197,.5);color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{color:var(--muted);}
.btn-ghost:hover{color:var(--primary);background:rgba(34,211,197,.08);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,8,32,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-2);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(9,6,23,.96);box-shadow:0 10px 28px rgba(4,3,14,.6);}
.nav-wrap{display:flex;align-items:center;gap:26px;height:76px;transition:height .25s ease;}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 6px 16px rgba(34,211,197,.24);
}
.brand-mark svg{width:18px;height:18px;}
.brand-text{font-size:18px;letter-spacing:.02em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;justify-content:space-between;gap:22px;flex:1 1 auto;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--radius-pill);
  color:var(--muted);font-size:15px;font-weight:600;transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--primary);background:var(--primary-soft);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:var(--radius-btn);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:rgba(34,211,197,.55);box-shadow:0 0 0 3px rgba(34,211,197,.16);background:rgba(255,255,255,.06);}
.nav-search svg{width:16px;height:16px;stroke:var(--faint);fill:none;stroke-width:1.8;stroke-linecap:round;flex:0 0 auto;}
.nav-search input{width:150px;background:none;border:0;outline:none;color:var(--text);font-size:14px;}
.nav-search input::placeholder{color:var(--faint);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);cursor:pointer;
  align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s ease;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s ease;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.nav-overlay{
  position:fixed;inset:0;z-index:55;background:rgba(5,3,16,.6);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ============ 主体 ============ */
main{position:relative;z-index:1;}

/* 文章头 */
.article-head{padding:52px 0 0;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--faint);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(255,255,255,.18);}
.article-title{
  margin:0 0 20px;max-width:920px;
  font-size:clamp(26px,3.6vw,44px);line-height:1.28;font-weight:800;letter-spacing:.01em;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;font-size:13.5px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;height:27px;padding:0 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(34,211,197,.26);
}
.tag.tag-gold{color:var(--gold);background:rgba(255,201,77,.12);border-color:rgba(255,201,77,.28);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}

/* 正文 */
.article-shell{padding:34px 0 8px;}
.article-inner{max-width:820px;margin:0 auto;}
.article-cover{margin:0 0 34px;}
.article-cover img{
  width:100%;aspect-ratio:16/8;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line-2);
  box-shadow:var(--shadow-card);
}
.article-body{font-size:16.5px;line-height:1.86;color:#DCD8EE;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;margin:42px 0 16px;padding-left:15px;
  font-size:24px;line-height:1.42;font-weight:700;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{margin:30px 0 12px;font-size:19px;line-height:1.5;font-weight:700;color:var(--text);}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#5EEBE0;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body li{margin:8px 0;}
.article-body ul li::marker{color:var(--primary);}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:rgba(34,211,197,.06);border-radius:0 12px 12px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--faint);}
.article-body table{
  display:block;width:100%;margin:26px 0;overflow-x:auto;
  border-collapse:collapse;font-size:14.5px;
}
.article-body th,.article-body td{
  padding:11px 14px;border:1px solid var(--line-2);text-align:left;white-space:nowrap;
}
.article-body th{background:rgba(34,211,197,.08);color:var(--text);font-weight:700;}
.article-body td{color:var(--muted);}
.article-body code{
  padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.07);
  font-family:var(--mono);font-size:14px;color:var(--gold);
}

/* 文末声明 */
.article-note{
  margin:44px 0 0;padding:22px 24px;border-radius:var(--radius-card);
  border:1px solid var(--line-2);background:rgba(255,255,255,.03);
  font-size:14px;line-height:1.85;color:var(--muted);
}
.article-note strong{color:var(--text);font-weight:700;}
.article-actions{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin:26px 0 0;padding-top:26px;border-top:1px solid var(--line-2);
}

/* 空态 */
.empty-state{
  margin:20px 0 0;padding:64px 26px;text-align:center;
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-card);
  background:rgba(255,255,255,.02);
}
.empty-state svg{width:46px;height:46px;margin:0 auto 18px;stroke:var(--faint);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{margin:0 0 10px;font-size:22px;font-weight:700;}
.empty-state p{margin:0 auto 22px;max-width:460px;font-size:15px;color:var(--muted);}

/* 区块标题 */
.section-head{margin-bottom:26px;}
.section-head h2{margin:0 0 8px;font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:800;}
.section-head p{margin:0;font-size:15px;color:var(--muted);}

/* 频道推荐 */
.recommend{padding:64px 0 0;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line-2);border-radius:var(--radius-card);
  background:var(--card);box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line);}
.rec-media{overflow:hidden;}
.rec-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .rec-media img{transform:scale(1.03);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{margin:0;font-size:18px;line-height:1.45;font-weight:700;color:var(--text);}
.rec-body p{margin:0;font-size:14.5px;line-height:1.75;color:var(--muted);}
.rec-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.rec-more svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.rec-card:hover .rec-more svg{transform:translateX(3px);}

/* CTA 条带 */
.cta-band{
  margin:72px 0 84px;padding:38px 40px;border-radius:20px;
  border:1px solid var(--line);
  background:
    linear-gradient(118deg, rgba(34,211,197,.18), rgba(255,46,136,.15)),
    var(--bg-soft);
  display:flex;align-items:center;justify-content:space-between;gap:34px;
}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,2.5vw,28px);line-height:1.35;font-weight:800;}
.cta-band p{margin:0;font-size:15px;color:var(--muted);max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:18px;font-size:14px;color:var(--muted);}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);flex:0 0 auto;}
.cta-points .num{color:var(--gold);font-weight:700;}
.cta-band .btn{flex:0 0 auto;height:46px;padding:0 26px;}

/* ============ 页脚 ============ */
.site-footer{position:relative;z-index:1;margin-top:0;background:var(--bg-deep);border-top:1px solid var(--line-2);}
.footer-grid{display:grid;grid-template-columns:1.9fr 1fr 1fr 1.2fr;gap:40px;padding:58px 0 30px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:17px;font-weight:800;color:var(--text);}
.footer-desc{margin:0;font-size:14px;line-height:1.85;color:var(--muted);max-width:360px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--muted);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.footer-social a:hover{color:var(--primary);border-color:rgba(34,211,197,.42);background:rgba(34,211,197,.08);transform:translateY(-2px);}
.footer-social svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.footer-col h4{margin:0 0 16px;font-size:15px;font-weight:700;color:var(--text);}
.footer-col ul{list-style:none;display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding:20px 0 34px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--faint);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .rec-grid{gap:20px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:34px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;top:0;right:0;z-index:58;
    width:min(320px,86vw);height:100vh;padding:84px 22px 30px;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:20px;
    background:#120E28;border-left:1px solid var(--line-2);
    box-shadow:-22px 0 44px rgba(0,0,0,.55);
    transform:translateX(106%);transition:transform .3s ease;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .main-nav{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{height:44px;border-radius:var(--radius-btn);}
  .nav-tools{flex-direction:column;align-items:stretch;gap:12px;}
  .nav-search{height:44px;}
  .nav-search input{width:100%;}
  .nav-tools .btn{height:44px;width:100%;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-head{padding:36px 0 0;}
  .article-shell{padding:26px 0 0;}
  .article-inner{max-width:100%;}
  .article-body{font-size:15.5px;line-height:1.8;}
  .article-body h2{font-size:21px;margin:34px 0 14px;}
  .article-body h3{font-size:17.5px;}
  .article-note{margin-top:34px;padding:18px 18px;font-size:13.5px;}
  .recommend{padding:48px 0 0;}
  .rec-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .cta-band{margin:52px 0 60px;padding:26px 22px;flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding:44px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:420px){
  .brand-text{font-size:16px;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .article-actions .btn{width:100%;}
  .empty-state{padding:48px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#0B0820;
  --bg-2:#1B1236;
  --surface:#141031;
  --surface-2:rgba(255,255,255,.04);
  --surface-3:rgba(255,255,255,.07);
  --primary:#22D3C5;
  --primary-dark:#0F9C92;
  --magenta:#FF2E88;
  --amber:#FFC94D;
  --success:#35D07F;
  --text:#F3F1FB;
  --text-2:#A9A3C7;
  --text-3:#6F6A8C;
  --line:rgba(34,211,197,.14);
  --line-soft:rgba(255,255,255,.08);
  --radius-lg:16px;
  --radius-md:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(6,4,20,.55);
  --shadow-hover:0 14px 36px rgba(34,211,197,.18);
  --container:1200px;
  --space-section:88px;
}

*,*::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","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
svg{display:block;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{
  background:var(--primary);
  color:#07211F;
  box-shadow:0 6px 18px rgba(34,211,197,.22);
}
.btn-primary:hover{background:#3EE0D3;transform:translateY(-1px);box-shadow:0 10px 26px rgba(34,211,197,.36);}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark);}
.btn-outline{
  background:transparent;
  border-color:rgba(34,211,197,.55);
  color:var(--primary);
}
.btn-outline:hover{background:rgba(34,211,197,.12);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);background:rgba(34,211,197,.2);}
.btn-ghost{
  background:transparent;
  border-color:transparent;
  color:var(--text-2);
  padding:10px 12px;
}
.btn-ghost:hover{color:var(--primary);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,8,32,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(9,6,26,.94);
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 30px rgba(4,2,16,.6);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .nav-wrap{min-height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,#3EE0D3,#12A79B);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 18px rgba(34,211,197,.28);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:24px;
  flex:1;
  min-width:0;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--text);background:var(--surface-2);}
.nav-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.nav-link.is-active{
  color:var(--primary);
  background:rgba(34,211,197,.12);
  font-weight:600;
}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search svg{
  position:absolute;
  left:12px;
  width:16px;
  height:16px;
  stroke:var(--text-3);
  stroke-width:1.8;
  fill:none;
  stroke-linecap:round;
  pointer-events:none;
}
.nav-search input{
  width:210px;
  padding:10px 14px 10px 36px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(34,211,197,.18);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line-soft);
  border-radius:12px;
  background:var(--surface-2);
  position:relative;
  flex-shrink:0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:11px;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
  content:"";
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;left:0;}
.nav-toggle span::after{top:6px;left:0;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 频道头 ---------- */
.channel-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.channel-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.channel-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(11,8,32,.94) 12%,rgba(27,18,54,.82) 52%,rgba(34,211,197,.16) 100%);
}
.channel-hero .container{
  position:relative;
  z-index:2;
  padding-top:72px;
  padding-bottom:64px;
}
.channel-head{max-width:820px;}
.channel-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(34,211,197,.1);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:20px;
}
.channel-eyebrow i{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(34,211,197,.16);
}
.channel-title{
  font-size:44px;
  line-height:1.24;
  font-weight:800;
  letter-spacing:1px;
  margin-bottom:16px;
}
.channel-title em{
  font-style:normal;
  color:var(--primary);
}
.channel-desc{
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:680px;
}
.channel-stats{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:32px;
}
.stat-item{
  flex:1 1 180px;
  padding:18px 20px;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-md);
  background:rgba(11,8,32,.55);
  backdrop-filter:blur(6px);
}
.stat-num{
  font-size:26px;
  font-weight:800;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.stat-label{
  margin-top:4px;
  font-size:13px;
  color:var(--text-2);
}

/* ---------- 通用板块 ---------- */
.section{
  padding:var(--space-section) 0;
}
.section-tight{padding-top:56px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-title{
  font-size:32px;
  line-height:1.3;
  font-weight:800;
  position:relative;
  padding-left:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  bottom:9px;
  width:5px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--magenta));
}
.section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  padding-left:18px;
  max-width:760px;
}
.section-link{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  border-bottom:1px solid rgba(34,211,197,.4);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.section-link:hover{color:#5CEAE0;border-color:#5CEAE0;}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:36px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line-soft);
}
.filter-tab{
  padding:8px 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:var(--surface-2);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.filter-tab:hover{color:var(--text);border-color:var(--line);transform:translateY(-1px);}
.filter-tab:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.filter-tab.is-current{
  background:var(--primary);
  border-color:var(--primary);
  color:#07211F;
  font-weight:700;
  box-shadow:0 6px 18px rgba(34,211,197,.24);
}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.content-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  background:var(--surface);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{
  transform:translateY(-4px);
  border-color:var(--line);
  box-shadow:var(--shadow-hover);
}
.content-card:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(34,211,197,.2);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-2);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.content-card:hover .card-media img{transform:scale(1.04);}
.card-tag{
  position:absolute;
  top:12px;
  left:12px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:rgba(11,8,32,.8);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
}
.card-body{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:20px 22px 22px;
  flex:1;
}
.card-title{
  font-size:19px;
  line-height:1.5;
  font-weight:700;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-title a{transition:color .18s ease;}
.content-card:hover .card-title a{color:var(--primary);}
.card-text{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.card-more{
  color:var(--primary);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.card-more svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.content-card:hover .card-more svg{transform:translateX(3px);}

/* ---------- 分页 ---------- */
.pagination{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:48px;
  flex-wrap:wrap;
}
.page-link{
  min-width:42px;
  height:42px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-btn);
  border:1px solid var(--line-soft);
  background:var(--surface-2);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.page-link:hover{color:var(--text);border-color:var(--line);transform:translateY(-1px);}
.page-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.page-link.is-current{background:var(--primary);border-color:var(--primary);color:#07211F;}
.page-link.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 会员卖点 ---------- */
.band{
  background:linear-gradient(180deg,rgba(27,18,54,.55),rgba(11,8,32,0));
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.feature-item{
  padding:26px 24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-soft);
  background:var(--surface);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-item:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-hover);}
.feature-icon{
  width:44px;
  height:44px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(34,211,197,.12);
  border:1px solid var(--line);
  margin-bottom:16px;
}
.feature-icon svg{width:22px;height:22px;stroke:var(--primary);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.feature-item h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:8px;
}
.feature-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}

/* ---------- 适用场景 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.scene-card{
  position:relative;
  padding:28px 26px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-soft);
  background:linear-gradient(150deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow-hover);}
.scene-card::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:120px;
  height:120px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,136,.28),transparent 70%);
}
.scene-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.scene-card h3{
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
}
.scene-card p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.step{
  padding:24px 22px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-soft);
  background:var(--surface);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.step:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-num{
  width:34px;
  height:34px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(34,211,197,.14);
  border:1px solid var(--line);
  color:var(--primary);
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--line-soft);
}
.faq-item{
  border-bottom:1px solid var(--line-soft);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;border-radius:8px;}
.faq-icon{
  position:relative;
  flex-shrink:0;
  width:22px;
  height:22px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a p{
  padding:0 40px 22px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(115deg,rgba(34,211,197,.22),rgba(255,46,136,.18)),#150F33;
  padding:44px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-90px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,197,.28),transparent 68%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text h2{
  font-size:28px;
  font-weight:800;
  line-height:1.4;
  margin-bottom:10px;
}
.cta-text p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:20px;
}
.cta-point{
  font-size:13px;
  color:var(--text-2);
}
.cta-point b{
  display:block;
  font-size:22px;
  font-weight:800;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--space-section);
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(27,18,54,.6),rgba(11,8,32,.98));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:360px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.footer-social a{
  width:38px;
  height:38px;
  border-radius:11px;
  border:1px solid var(--line-soft);
  background:var(--surface-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.footer-social a:hover{border-color:var(--primary);background:rgba(34,211,197,.12);transform:translateY(-2px);}
.footer-social svg{width:18px;height:18px;stroke:var(--text-2);stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.footer-social a:hover svg{stroke:var(--primary);}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:var(--text);
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:14px;
  color:var(--text-2);
  transition:color .18s ease;
}
.footer-col ul a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--space-section:72px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-menu{
    position:fixed;
    top:0;
    right:0;
    height:100vh;
    width:min(340px,86vw);
    flex-direction:column;
    align-items:stretch;
    gap:20px;
    padding:88px 24px 32px;
    background:#0D0A24;
    border-left:1px solid var(--line-soft);
    box-shadow:-18px 0 40px rgba(4,2,16,.7);
    transform:translateX(102%);
    transition:transform .28s ease;
    overflow-y:auto;
    z-index:90;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .main-nav{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-link{padding:12px 14px;border-radius:var(--radius-btn);}
  .nav-tools{flex-direction:column;align-items:stretch;gap:12px;margin-left:0;}
  .nav-search input{width:100%;}
  .nav-tools .btn{width:100%;}
  .scene-grid{grid-template-columns:1fr;}
  .channel-hero .container{padding-top:52px;padding-bottom:48px;}
  .channel-title{font-size:34px;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  .container{padding:0 16px;}
  body{font-size:15px;line-height:1.7;}
  .brand-text{font-size:16px;}
  .channel-title{font-size:30px;line-height:1.32;}
  .section-title{font-size:24px;padding-left:14px;}
  .section-title::before{width:4px;top:6px;bottom:6px;}
  .section-sub{padding-left:14px;font-size:14px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .feature-grid{grid-template-columns:1fr;gap:18px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .channel-stats{gap:12px;}
  .stat-item{flex:1 1 100%;}
  .cta-band{padding:30px 22px;gap:24px;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px;}
  .footer-desc{max-width:none;}
  .faq-q{font-size:15px;padding:18px 2px;}
  .faq-a p{padding:0 22px 18px 2px;}
  .section-head{margin-bottom:26px;}
}
@media (max-width:420px){
  .filter-bar{gap:8px;}
  .filter-tab{padding:7px 14px;font-size:13px;}
  .page-link{min-width:38px;height:38px;padding:0 10px;font-size:13px;}
  .card-body{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg:#0B0820;
  --bg-2:#120D2A;
  --surface:#161033;
  --surface-2:#1B1236;
  --line:rgba(34,211,197,.14);
  --line-soft:rgba(255,255,255,.08);
  --text:#F3F1FB;
  --text-2:#A9A3C7;
  --text-3:#6F6A8C;
  --primary:#22D3C5;
  --primary-strong:#3EE0D2;
  --primary-dim:rgba(34,211,197,.12);
  --magenta:#FF2E88;
  --amber:#FFC94D;
  --success:#35D07F;
  --warning:#FFB020;
  --error:#FF5A6E;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-input:10px;
  --shadow-card:0 8px 24px rgba(6,4,20,.55);
  --shadow-hover:0 14px 36px rgba(34,211,197,.18);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::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:var(--font);
  font-size:16px;
  line-height:28px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:30px 30px,120px 120px,120px 120px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.site-header,.site-main,.site-footer{position:relative;z-index:1}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,8,32,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,8,32,.97);
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 28px rgba(6,4,20,.55);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#22D3C5 0%,#0FA79C 100%);
  box-shadow:0 6px 18px rgba(34,211,197,.32);
  transition:transform .2s ease;
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand:hover .brand-mark{transform:translateY(-1px) rotate(-6deg)}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;flex:1;gap:18px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 15px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:#fff;background:var(--primary-dim)}
.nav-link.is-active{color:#06181A;background:var(--primary);box-shadow:0 6px 18px rgba(34,211,197,.28)}
.nav-link.is-active:hover{color:#06181A;background:var(--primary-strong)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{
  position:absolute;left:13px;width:16px;height:16px;
  fill:none;stroke:var(--text-3);stroke-width:2;stroke-linecap:round;
}
.nav-search input{
  width:206px;height:40px;
  padding:0 14px 0 37px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
  color:var(--text);
  font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  outline:none;
  background:rgba(255,255,255,.06);
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(34,211,197,.18);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--primary);color:#06181A;box-shadow:0 8px 20px rgba(34,211,197,.24)}
.btn-primary:hover{background:var(--primary-strong);transform:translateY(-1px);box-shadow:0 12px 28px rgba(34,211,197,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(34,211,197,.28)}
.btn-outline{background:transparent;border-color:rgba(34,211,197,.5);color:var(--primary)}
.btn-outline:hover{background:var(--primary-dim);border-color:var(--primary)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--text-2)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.06)}
.btn:disabled,.btn[disabled]{opacity:.45;pointer-events:none}
.btn-block{width:100%}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-soft);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-scrim{
  position:fixed;inset:0;
  background:rgba(6,4,20,.66);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:55;
}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ---------- 频道头 ---------- */
.channel-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.channel-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.channel-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,8,32,.96) 0%,rgba(27,18,54,.86) 52%,rgba(34,211,197,.18) 100%);
}
.channel-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.orbit{
  position:absolute;right:-60px;top:-40px;width:420px;height:420px;
  opacity:.5;pointer-events:none;z-index:1;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-2);transition:color .18s ease}
.crumb a:hover{color:var(--primary)}
.crumb span{color:var(--text-3)}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:rgba(34,211,197,.14);
  border:1px solid rgba(34,211,197,.3);
  color:var(--primary);
  font-size:13px;font-weight:600;
  margin-bottom:16px;
}
.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block}
.channel-hero h1{font-size:44px;line-height:56px;letter-spacing:1px}
.channel-hero .lead{margin-top:16px;max-width:720px;color:var(--text-2);font-size:16px;line-height:28px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:32px;
  max-width:720px;
}
.stat{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  padding:16px 18px;
  transition:border-color .2s ease,transform .2s ease;
}
.stat:hover{border-color:rgba(34,211,197,.35);transform:translateY(-2px)}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--amber);line-height:1.2}
.stat small{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}

/* ---------- 主体布局 ---------- */
.channel-layout{
  display:grid;
  grid-template-columns:274px minmax(0,1fr);
  gap:32px;
  align-items:start;
  padding:56px 0 88px;
}
.filter-bar{display:none;margin-bottom:16px}
.filter-toggle{width:100%;justify-content:space-between;font-size:14px}
.filter-panel{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
}
.filter-group+.filter-group{margin-top:22px;padding-top:22px;border-top:1px solid var(--line-soft)}
.group-title{
  font-size:12px;
  letter-spacing:1.6px;
  font-weight:700;
  color:var(--text-3);
  margin-bottom:12px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.02);
  color:var(--text-2);
  font-size:13px;
  transition:all .18s ease;
}
.chip:hover{border-color:rgba(34,211,197,.45);color:var(--primary);background:var(--primary-dim)}
.chip.is-active{background:var(--primary);color:#06181A;border-color:transparent;font-weight:700}
.filter-note{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);line-height:22px;
}
.filter-note b{color:var(--primary);font-weight:700}

/* ---------- 列表区 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.list-head h2{font-size:24px;line-height:34px}
.list-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.list-head .count{font-size:13px;color:var(--text-3);white-space:nowrap}
.data-list{display:flex;flex-direction:column;gap:20px}
.data-card{
  display:grid;
  grid-template-columns:238px minmax(0,1fr);
  gap:22px;
  padding:16px;
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.data-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,197,.32)}
.data-card figure{margin:0;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;background:var(--surface-2)}
.data-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.data-card:hover figure img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;min-width:0;padding:4px 4px 4px 0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--radius-pill);
  background:var(--primary-dim);color:var(--primary);
  font-size:12px;font-weight:600;
}
.tag-magenta{background:rgba(255,46,136,.14);color:#FF6FAE}
.tag-amber{background:rgba(255,201,77,.14);color:var(--amber)}
.data-card h3{font-size:19px;line-height:28px}
.data-card h3 a{transition:color .18s ease}
.data-card:hover h3 a{color:var(--primary)}
.card-desc{
  margin-top:10px;
  font-size:14px;
  line-height:24px;
  color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line-soft);
}
.card-meta .time{display:inline-flex;align-items:center;gap:6px}
.card-meta .time::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}
.enter{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600}
.enter svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.data-card:hover .enter svg{transform:translateX(3px)}
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:32px}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.02);
  color:var(--text-2);
  font-size:14px;
  transition:all .18s ease;
}
.pager a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-dim)}
.pager .is-current{background:var(--primary);color:#06181A;border-color:transparent;font-weight:700}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,rgba(27,18,54,.55) 0%,rgba(11,8,32,0) 100%);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--primary);margin-bottom:12px;
}
.section-head h2{font-size:32px;line-height:44px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:27px}

.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,197,.32)}
.feature-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--primary-dim);
  border:1px solid rgba(34,211,197,.26);
  margin-bottom:18px;
}
.feature-icon svg{width:22px;height:22px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:20px;line-height:30px;margin-bottom:10px}
.feature-card p{font-size:14px;line-height:25px;color:var(--text-2)}
.feature-card .mini{margin-top:16px;font-size:13px;color:var(--amber);font-weight:700}

/* ---------- 会员专属 ---------- */
.vip-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.vip-list{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.vip-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;
  border-radius:14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:border-color .2s ease,background .2s ease;
}
.vip-item:hover{border-color:rgba(34,211,197,.32);background:rgba(34,211,197,.06)}
.vip-item svg{flex:0 0 auto;width:20px;height:20px;margin-top:4px;fill:none;stroke:var(--primary);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.vip-item b{display:block;font-size:15px;font-weight:700}
.vip-item span{display:block;margin-top:4px;font-size:13px;color:var(--text-2);line-height:22px}
.vip-visual{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
  background:var(--surface-2);
}
.vip-visual img{width:100%;height:100%;object-fit:cover}
.vip-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,8,32,0) 42%,rgba(11,8,32,.82) 100%);
}
.vip-badge{
  position:absolute;left:18px;top:18px;z-index:2;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--magenta);color:#fff;
  font-size:12px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,46,136,.35);
}
.vip-caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:14px;color:#EDEAF7;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;border-top:1px solid var(--line-soft)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;
  font-size:16px;font-weight:600;
  cursor:pointer;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary .mark{
  flex:0 0 auto;position:relative;
  width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(34,211,197,.35);
  display:grid;place-items:center;
  transition:transform .2s ease,background .2s ease;
}
.faq-item summary .mark::before,
.faq-item summary .mark::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-item summary .mark::before{width:11px;height:2px}
.faq-item summary .mark::after{width:2px;height:11px;transition:opacity .2s ease}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary .mark{transform:rotate(180deg)}
.faq-item[open] summary .mark::after{opacity:0}
.faq-answer{padding:0 44px 24px 4px;color:var(--text-2);font-size:15px;line-height:26px}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid rgba(34,211,197,.24);
  background:linear-gradient(112deg,rgba(34,211,197,.2) 0%,rgba(27,18,54,.92) 48%,rgba(255,46,136,.22) 100%);
  padding:44px 40px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:30px;line-height:42px}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:26px;max-width:640px}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.cta-points i{width:7px;height:7px;border-radius:50%;background:var(--amber);display:block}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:210px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:8px;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(27,18,54,.6) 0%,rgba(8,6,22,.95) 100%);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:25px;color:var(--text-2);max-width:360px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.03);
  transition:all .18s ease;
}
.footer-social a svg{width:18px;height:18px;fill:none;stroke:var(--text-2);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.footer-social a:hover{border-color:var(--primary);background:var(--primary-dim)}
.footer-social a:hover svg{stroke:var(--primary)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .18s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .channel-layout{grid-template-columns:244px minmax(0,1fr);gap:26px}
  .data-card{grid-template-columns:200px minmax(0,1fr)}
  .channel-hero h1{font-size:38px;line-height:50px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;top:0;right:0;
    width:min(330px,88vw);height:100vh;
    flex-direction:column;align-items:stretch;gap:20px;
    padding:92px 22px 30px;
    background:var(--bg-2);
    border-left:1px solid var(--line-soft);
    transform:translateX(105%);
    transition:transform .28s ease;
    z-index:60;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .main-nav{flex-direction:column;align-items:stretch;gap:6px}
  .nav-link{height:auto;padding:13px 15px;border-radius:12px;justify-content:flex-start}
  .nav-tools{flex-direction:column;align-items:stretch;gap:12px;margin-left:0}
  .nav-search input{width:100%}
  .btn-ghost{justify-content:center}
  .channel-layout{grid-template-columns:minmax(0,1fr);padding:40px 0 72px}
  .filter-bar{display:block}
  .filter-panel{position:static;display:none;top:auto}
  .filter-panel.is-open{display:block}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .vip-wrap{grid-template-columns:minmax(0,1fr);gap:32px}
  .section{padding:64px 0}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:34px 26px}
  .cta-actions{flex-direction:row;flex-wrap:wrap;min-width:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{font-size:15px;line-height:26px}
  .container{padding:0 16px}
  .channel-hero .container{padding-top:36px;padding-bottom:38px}
  .channel-hero h1{font-size:30px;line-height:40px}
  .channel-hero .lead{font-size:15px;line-height:26px}
  .hero-stats{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:24px}
  .orbit{display:none}
  .data-card{grid-template-columns:minmax(0,1fr);gap:16px}
  .data-card figure{aspect-ratio:16/9}
  .card-body{padding:0 4px 4px}
  .card-meta{flex-wrap:wrap;gap:8px}
  .section-head h2{font-size:24px;line-height:34px}
  .feature-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .faq-answer{padding-right:8px}
  .cta-band h2{font-size:23px;line-height:34px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .cta-actions .btn{width:100%}
  .pager span:nth-child(n+5){display:none}
  .list-head h2{font-size:21px;line-height:30px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}