/* roulang page: index */
:root{
  --bg-0:#050912; --bg-1:#0A1226; --bg-2:#101C33;
  --brand:#2E7CF6; --brand-2:#1B5BD6; --track:#14E0B1; --signal:#FFB020;
  --ink:#EAF1FF; --ink-2:#A9B7CE; --ink-3:#74839C;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-bd:rgba(255,255,255,.10);
  --r-card:20px; --r-btn:14px; --r-img:16px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-glass:0 24px 60px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; padding:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px; line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before,body::after{
  content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
}
body::before{
  background:radial-gradient(560px 420px at 6% -4%, rgba(20,224,177,.14), transparent 68%);
}
body::after{
  background:radial-gradient(720px 540px at 98% 16%, rgba(46,124,246,.13), transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;letter-spacing:.04em}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media(min-width:1024px){.container{padding:0 24px}}

/* ---------- 导航 ---------- */
.glass-nav{
  position:fixed;top:0;left:0;right:0;z-index:60;height:72px;
  background:rgba(5,9,18,.35);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .26s ease-out, box-shadow .26s ease-out, border-color .26s ease-out;
}
.glass-nav.is-stuck{
  background:rgba(6,10,20,.9);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 12px 30px -20px #000;
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.25;flex-shrink:0}
.brand-main{font-size:16px;font-weight:800;color:#fff;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em;margin-top:2px}
.nav-links{display:none}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px}
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 14px;font-size:15px;color:var(--ink-2);border-radius:10px;
  transition:color .2s ease-out;
}
.nav-link::before{
  content:"";position:absolute;left:3px;top:50%;width:3px;height:3px;border-radius:50%;
  background:var(--track);opacity:0;transform:translateY(-50%) scale(.4);
  transition:opacity .2s ease-out, transform .2s ease-out;
}
.nav-link:hover{color:#fff}
.nav-link:hover::before{opacity:1;transform:translateY(-50%) scale(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;
  background:var(--track);box-shadow:0 6px 12px -6px var(--track);
}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:none;align-items:center;justify-content:center;
  border:1px solid var(--glass-bd);background:var(--glass);color:var(--ink-2);
  transition:color .2s, border-color .2s, background .2s;
}
@media(min-width:768px){.icon-btn{display:inline-flex}}
.icon-btn:hover{color:#fff;border-color:rgba(20,224,177,.5);background:rgba(255,255,255,.07)}
.burger{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-bd);background:var(--glass);color:#fff;
}
@media(min-width:1024px){.burger{display:none}}

.drawer{
  position:fixed;inset:0 0 0 auto;width:100%;max-width:420px;z-index:70;
  background:rgba(6,10,20,.94);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s ease-out;
  display:flex;flex-direction:column;padding:22px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-link{
  display:block;padding:12px 4px;font-size:18px;color:var(--ink-2);border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(8px);
}
.drawer.is-open .drawer-link{opacity:1;transform:translateY(0);transition:opacity .32s ease-out, transform .32s ease-out}
.drawer.is-open .drawer-link:nth-child(1){transition-delay:.04s}
.drawer.is-open .drawer-link:nth-child(2){transition-delay:.08s}
.drawer.is-open .drawer-link:nth-child(3){transition-delay:.12s}
.drawer.is-open .drawer-link:nth-child(4){transition-delay:.16s}
.drawer.is-open .drawer-link:nth-child(5){transition-delay:.2s}
.drawer-link:hover,.drawer-link.is-active{color:#fff}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;color:var(--ink-3);font-size:13px}

/* ---------- 按钮 ---------- */
.glow-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:none;
  font-size:15px;font-weight:700;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 30px -10px rgba(46,124,246,.65), inset 0 0 0 1px rgba(255,255,255,.12);
  transition:transform .24s ease-out, filter .24s ease-out, box-shadow .24s ease-out;
}
.glow-btn:hover{
  transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 14px 36px -10px rgba(46,124,246,.8), inset 0 0 0 1px rgba(255,255,255,.18);
}
.glow-btn:active{transform:translateY(0);filter:brightness(.98)}
.glow-btn:focus-visible{outline:2px solid var(--track);outline-offset:3px}
.glow-btn.sm{height:40px;padding:0 20px;font-size:14px}
.ghost-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink);
  background:var(--glass);border:1px solid var(--glass-bd);
  backdrop-filter:blur(14px);
  transition:border-color .24s ease-out, color .24s ease-out, transform .24s ease-out, background .24s ease-out;
}
.ghost-btn:hover{border-color:rgba(20,224,177,.55);color:#fff;transform:translateY(-2px);background:rgba(255,255,255,.07)}
.ghost-btn:active{transform:translateY(0)}
.ghost-btn:focus-visible{outline:2px solid var(--track);outline-offset:3px}
.ghost-btn.sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 玻璃卡 ---------- */
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:var(--r-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-glass);
  transition:border-color .25s ease-out, transform .25s ease-out, box-shadow .25s ease-out;
}
.glass-card:hover{
  border-color:rgba(255,255,255,.18);
  box-shadow:0 0 0 1px rgba(20,224,177,.22), var(--shadow-glass);
}

.chip{
  display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 12px;
  border-radius:999px;font-size:12px;line-height:1;letter-spacing:.02em;
  background:rgba(255,255,255,.06);border:1px solid var(--glass-bd);color:var(--ink-2);
  white-space:nowrap;
}
.chip-track{background:rgba(20,224,177,.14);border-color:rgba(20,224,177,.32);color:#7FF2D6}
.chip-signal{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.32);color:#FFD48A}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:92vh;max-height:880px;
  display:flex;align-items:center;
  padding:112px 0 72px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(5,9,18,.62) 0%, rgba(5,9,18,.78) 62%, var(--bg-0) 100%);
}
.hero-strip{
  position:absolute;top:72px;left:0;right:0;height:1px;z-index:2;
  background:linear-gradient(90deg, transparent, rgba(20,224,177,.65), rgba(46,124,246,.55), transparent);
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center;position:relative;z-index:2}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px}}
.hero h1{font-size:32px;line-height:1.18;font-weight:800;letter-spacing:0}
@media(min-width:640px){.hero h1{font-size:44px}}
@media(min-width:1280px){.hero h1{font-size:56px}}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--track),var(--brand));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:560px;line-height:1.9}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.countdown{
  display:inline-flex;align-items:center;gap:10px;margin-top:30px;
  padding:12px 18px;border-radius:16px;
  background:var(--glass);border:1px solid var(--glass-bd);backdrop-filter:blur(14px);
}
.countdown .label{font-size:12px;color:var(--ink-3);margin-right:4px}
.cd-cell{display:flex;flex-direction:column;align-items:center;min-width:44px}
.cd-num{font-family:ui-monospace,"DIN Alternate",Menlo,monospace;font-size:22px;font-weight:700;color:var(--signal);letter-spacing:.04em;line-height:1.1}
.cd-unit{font-size:11px;color:var(--ink-3);margin-top:2px}
.cd-sep{color:var(--ink-3);font-family:ui-monospace,monospace;font-size:18px;transform:translateY(-6px)}
.trust-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px 26px;margin-top:34px;
  padding-top:24px;border-top:1px solid var(--line);
}
.trust-item{display:flex;flex-direction:column}
.trust-item strong{font-family:ui-monospace,"DIN Alternate",Menlo,monospace;font-size:22px;font-weight:700;color:#fff;letter-spacing:.03em}
.trust-item span{font-size:13px;color:var(--ink-3);margin-top:2px}
.trust-div{width:1px;height:34px;background:var(--line)}

.hero-preview{padding:18px;border-radius:22px}
.hero-preview img{border-radius:var(--r-img);width:100%;aspect-ratio:16/9;object-fit:cover}
.preview-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 4px;border-bottom:1px solid var(--line)}
.preview-row:last-child{border-bottom:none}
.preview-row .k{font-size:13px;color:var(--ink-3)}
.preview-row .v{font-size:14px;color:#fff;font-weight:600}
.preview-row .v.mono{color:var(--track)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;position:relative;z-index:1}
@media(min-width:1024px){.section{padding:110px 0}}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:26px;line-height:1.3;font-weight:800}
@media(min-width:768px){.section-head h2{font-size:34px}}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:ui-monospace,monospace;
  font-size:12px;letter-spacing:.12em;color:var(--track);margin-bottom:12px;text-transform:uppercase;
}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--track)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 分类入口条 ---------- */
.cat-bar{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:768px){.cat-bar{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cat-bar{grid-template-columns:repeat(4,1fr)}}
.cat-strip{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 18px;border-radius:18px;
  background:var(--glass);border:1px solid var(--glass-bd);backdrop-filter:blur(14px);
  transition:transform .25s ease-out, border-color .25s ease-out, background .25s ease-out;
}
.cat-strip::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:var(--track);opacity:0;transition:opacity .25s ease-out;
}
.cat-strip:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.07)}
.cat-strip:hover::before{opacity:1}
.cat-strip .cs-title{font-size:16px;font-weight:700;color:#fff}
.cat-strip .cs-desc{font-size:13px;color:var(--ink-3);margin-top:4px}
.cat-strip .cs-arrow{color:var(--ink-3);font-size:18px;transition:color .25s, transform .25s}
.cat-strip:hover .cs-arrow{color:var(--track);transform:translateX(3px)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:12px}
.timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:14px;width:2px;
  background:linear-gradient(180deg, var(--track), rgba(20,224,177,.05));
}
@media(min-width:1024px){
  .timeline::before{left:50%;transform:translateX(-1px)}
}
.tl-item{position:relative;padding-left:46px;margin-bottom:26px}
@media(min-width:1024px){
  .tl-item{width:50%;padding-left:0;padding-right:48px;margin-bottom:8px}
  .tl-item:nth-child(even){margin-left:50%;padding-right:0;padding-left:48px}
}
.tl-node{
  position:absolute;left:8px;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--track);
  box-shadow:0 0 0 4px rgba(20,224,177,.14), 0 0 16px rgba(20,224,177,.5);
}
@media(min-width:1024px){
  .tl-node{left:auto;right:-7px}
  .tl-item:nth-child(even) .tl-node{right:auto;left:-7px}
}
.tl-card{padding:22px;border-radius:var(--r-card);transition:transform .25s ease-out, border-color .25s ease-out}
.tl-card:hover{transform:translateX(-4px);border-color:rgba(20,224,177,.45)}
@media(min-width:1024px){
  .tl-item:nth-child(even) .tl-card:hover{transform:translateX(4px)}
}
.tl-time{font-family:ui-monospace,"DIN Alternate",Menlo,monospace;font-size:13px;color:var(--track);letter-spacing:.08em}
.tl-card h3{font-size:19px;font-weight:700;margin-top:8px;color:#fff}
.tl-card p{font-size:15px;color:var(--ink-2);margin-top:8px;line-height:1.8}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:1024px){.bento{grid-template-columns:repeat(12,1fr)}}
.bento-main{padding:0;overflow:hidden;border-radius:22px}
@media(min-width:1024px){.bento-main{grid-column:span 7}}
.bento-main img{width:100%;height:100%;min-height:280px;aspect-ratio:16/11;object-fit:cover;transition:transform .45s ease-out}
@media(min-width:1024px){.bento-main img{aspect-ratio:auto;height:100%}}
.bento-main:hover img{transform:scale(1.04)}
.bento-side{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:1024px){.bento-side{grid-column:span 5}}
.bento-item{display:flex;align-items:center;gap:16px;padding:14px;border-radius:18px}
.bento-item img{width:76px;height:76px;border-radius:14px;object-fit:cover;flex-shrink:0;transition:transform .35s ease-out}
.bento-item:hover img{transform:scale(1.05)}
.bento-item h3{font-size:17px;font-weight:700;color:#fff}
.bento-item .role{font-size:13px;color:var(--track);margin-top:2px}
.bento-item .tag{font-size:12px;color:var(--ink-3);margin-top:6px}
.bento-caption{padding:20px}
.bento-caption h3{font-size:22px;font-weight:800;color:#fff}
.bento-caption .role{font-size:13px;color:var(--track);margin-top:6px;letter-spacing:.04em}
.bento-caption p{font-size:14px;color:var(--ink-2);margin-top:10px}

/* ---------- 票种 ---------- */
.ticket-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:center}
@media(min-width:768px){.ticket-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.ticket-grid{grid-template-columns:1fr 1.06fr 1fr}}
.ticket{padding:28px 24px;border-radius:22px;display:flex;flex-direction:column;gap:16px;position:relative}
.ticket.featured{
  border-color:rgba(46,124,246,.5);
  box-shadow:0 0 0 1px rgba(46,124,246,.28), 0 24px 60px -30px rgba(46,124,246,.7);
}
@media(min-width:1024px){.ticket.featured{transform:scale(1.03);padding:34px 26px}}
.ticket .badge{
  position:absolute;top:-13px;left:24px;height:26px;padding:0 12px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;color:#0B1B33;
  background:linear-gradient(135deg,var(--track),#5CF0D0);
}
.ticket .t-name{font-size:20px;font-weight:800;color:#fff}
.ticket .t-price{font-family:ui-monospace,"DIN Alternate",Menlo,monospace;font-size:30px;font-weight:700;color:#fff;letter-spacing:.02em}
.ticket .t-price span{font-size:13px;color:var(--ink-3);font-weight:400;margin-left:6px;letter-spacing:0}
.ticket .t-desc{font-size:13px;color:var(--ink-3)}
.ticket-list{display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px solid var(--line)}
.ticket-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.ticket-list li .dot{
  width:16px;height:16px;border-radius:50%;flex-shrink:0;margin-top:5px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,224,177,.16);color:var(--track);font-size:10px;font-weight:700;
}
.ticket-list li.hi{color:#9FF5E0;background:rgba(20,224,177,.08);border-radius:10px;padding:6px 10px;margin:0 -10px}
.ticket-cta{margin-top:auto;padding-top:6px}

/* ---------- 表单 ---------- */
.form-panel{
  position:relative;overflow:hidden;border-radius:26px;padding:32px 24px;
}
@media(min-width:1024px){.form-panel{padding:52px 48px}}
.form-panel::before{
  content:"";position:absolute;left:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(46,124,246,.2), transparent 68%);pointer-events:none;
}
.form-grid{display:grid;grid-template-columns:1fr;gap:36px;position:relative;z-index:1}
@media(min-width:1024px){.form-grid{grid-template-columns:5fr 7fr;gap:56px}}
.form-points{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.form-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink-2)}
.form-points li i{color:var(--track);font-style:normal;font-weight:700}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--ink);outline:none;
  transition:border-color .22s ease-out, box-shadow .22s ease-out, background .22s;
}
.field textarea{height:104px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--track);box-shadow:0 0 0 3px rgba(20,224,177,.22);
  background:rgba(255,255,255,.06);
}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2374839C' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.field select option{background:#0A1226;color:var(--ink)}
.field-row{display:grid;grid-template-columns:1fr;gap:0 16px}
@media(min-width:640px){.field-row{grid-template-columns:1fr 1fr}}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);margin:6px 0 20px;line-height:1.7}
.check input{width:18px;height:18px;flex-shrink:0;margin-top:3px;accent-color:#14E0B1;height:18px}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:12px;font-size:14px;align-items:center;gap:10px}
.form-msg.ok{display:flex;background:rgba(20,224,177,.12);border:1px solid rgba(20,224,177,.4);color:#9FF5E0}
.form-msg.err{display:flex;background:rgba(255,107,107,.1);border:1px solid #FF6B6B;color:#FFB3B3}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(4,1fr)}}
.news-card{
  display:flex;flex-direction:column;gap:12px;padding:16px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-bd);backdrop-filter:blur(14px);
  transition:transform .25s ease-out, border-color .25s ease-out, box-shadow .25s ease-out;
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.2);box-shadow:var(--shadow-glass)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);transition:transform .4s ease-out}
.news-card:hover img{transform:scale(1.03)}
.news-card h3{
  font-size:17px;font-weight:700;color:#fff;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--ink-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:10px;margin-top:auto;padding-top:6px}
.news-meta time{font-family:ui-monospace,"DIN Alternate",Menlo,monospace;font-size:13px;color:var(--ink-3)}
.news-meta .arrow{color:var(--ink-3);transition:color .25s, transform .25s}
.news-card:hover .news-meta .arrow{color:var(--track);transform:translateX(3px)}
.news-card.lg{grid-column:span 1}
@media(min-width:1024px){
  .news-card.lg{grid-column:span 2;grid-row:span 2}
  .news-card.lg img{aspect-ratio:16/9}
}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:48px 24px;border-radius:var(--r-card);text-align:center;
  border:1px dashed rgba(255,255,255,.16);background:rgba(255,255,255,.02);
}
.empty-state p{color:var(--ink-2);font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:18px;overflow:hidden;background:var(--glass);border:1px solid var(--glass-bd);backdrop-filter:blur(14px);transition:border-color .25s ease-out}
.faq-item.is-open{border-color:rgba(20,224,177,.45)}
.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(--ink);
}
.faq-q:hover{color:#fff}
.faq-q .plus{
  width:24px;height:24px;flex-shrink:0;position:relative;transition:transform .28s ease-out;color:var(--track);
}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a .inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;margin-top:40px;border-top:1px solid var(--line);background:linear-gradient(180deg, rgba(10,18,38,.4), rgba(5,9,18,.9))}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:60px 0 44px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:var(--ink-2);transition:color .2s, transform .2s;display:inline-block}
.footer-list a:hover{color:var(--track);transform:translateX(3px)}
.footer-desc{font-size:14px;color:var(--ink-2);margin-top:12px;line-height:1.8;max-width:320px}
.footer-contact{font-size:14px;color:var(--ink-2);margin-top:14px;line-height:2}
.search-box{display:flex;align-items:center;gap:8px;margin-top:18px;max-width:320px}
.search-box input{
  flex:1;height:44px;padding:0 14px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);color:var(--ink);outline:none;
  transition:border-color .22s, box-shadow .22s;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{border-color:var(--track);box-shadow:0 0 0 3px rgba(20,224,177,.2)}
.cta-mini{padding:22px;border-radius:20px}
.cta-mini p{font-size:14px;color:var(--ink-2);margin:8px 0 16px;line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--ink-2)}
.friend-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#050912; --bg-1:#0A1226; --bg-2:#101C33;
  --brand:#2E7CF6; --brand-2:#1B5BD6; --brand-ink:#0B1B33;
  --track:#14E0B1; --signal:#FFB020;
  --ink:#EAF1FF; --ink-2:#A9B7CE; --ink-3:#74839C;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-bd:rgba(255,255,255,.10);
  --radius:20px; --radius-sm:14px;
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 8% -6%, rgba(20,224,177,.12), transparent 62%),
    radial-gradient(1000px 620px at 100% 8%, rgba(46,124,246,.14), transparent 60%),
    var(--bg-0);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px; line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .22s ease-out,border-color .22s ease-out,background-color .22s ease-out}
a:hover{color:#fff}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
:focus-visible{outline:2px solid var(--track);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}

/* ---------- 导航 ---------- */
.glass-nav{position:fixed;top:0;left:0;right:0;z-index:60;height:72px;display:flex;align-items:center;
  background:rgba(5,9,18,.35);backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid var(--line);transition:background .26s ease-out,box-shadow .26s ease-out}
.glass-nav.is-stuck{background:rgba(6,10,20,.92);box-shadow:0 12px 30px -20px #000}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-weight:800;font-size:17px;letter-spacing:0}
.brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}
.nav-links{display:none;align-items:center;gap:26px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0}
.nav-link::before{content:"";position:absolute;left:-12px;top:50%;width:3px;height:3px;border-radius:50%;background:var(--track);opacity:0;transform:translateY(-50%);transition:opacity .22s ease-out}
.nav-link:hover{color:#fff}
.nav-link:hover::before{opacity:1}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--track);box-shadow:0 6px 12px -6px var(--track)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;
  border:1px solid var(--glass-bd);background:var(--glass);color:var(--ink-2)}
.icon-btn:hover{color:#fff;border-color:rgba(20,224,177,.5);box-shadow:0 0 0 1px rgba(20,224,177,.25)}
.burger{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;
  border:1px solid var(--glass-bd);background:var(--glass);color:var(--ink)}
@media(min-width:1024px){.burger{display:none}}

/* ---------- 按钮 ---------- */
.glow-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:999px;font-weight:700;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 30px -10px rgba(46,124,246,.65), inset 0 0 0 1px rgba(255,255,255,.12);
  transition:transform .22s ease-out,box-shadow .22s ease-out,filter .22s ease-out}
.glow-btn:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 36px -12px rgba(46,124,246,.85), inset 0 0 0 1px rgba(255,255,255,.16)}
.glow-btn:active{transform:translateY(0)}
.glow-btn.sm{height:40px;padding:0 18px;font-size:14px}
.ghost-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
  border-radius:14px;font-weight:600;font-size:15px;color:var(--ink-2);
  background:var(--glass);border:1px solid var(--glass-bd);
  transition:color .22s ease-out,border-color .22s ease-out,transform .22s ease-out}
.ghost-btn:hover{color:#fff;border-color:rgba(20,224,177,.55);transform:translateY(-2px)}
.ghost-btn.sm{height:40px;padding:0 16px;font-size:14px}

/* ---------- 玻璃 ---------- */
.glass-card{background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(140%);box-shadow:0 18px 40px -22px rgba(0,0,0,.75);
  transition:border-color .24s ease-out,transform .24s ease-out,box-shadow .24s ease-out}
.glass-card:hover{border-color:rgba(255,255,255,.18);box-shadow:0 24px 60px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(20,224,177,.18)}

/* ---------- 徽章 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;background:var(--glass);border:1px solid var(--glass-bd);color:var(--ink-2)}
.chip-track{background:rgba(20,224,177,.14);border-color:rgba(20,224,177,.32);color:var(--track);font-weight:600}
.chip-signal{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.34);color:var(--signal);font-weight:600}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;margin-top:0;padding:120px 0 64px;min-height:420px;display:flex;align-items:center;
  background-size:cover;background-position:center;overflow:hidden}
.page-hero::after{content:"";position:absolute;top:72px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,177,.55),transparent)}
.page-hero-mask{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(5,9,18,.72) 0%,rgba(5,9,18,.86) 62%,rgba(5,9,18,.96) 100%)}
.page-hero-inner{position:relative;z-index:2;max-width:820px}
.page-hero h1{font-size:32px;line-height:1.22;font-weight:800;margin:16px 0 14px;letter-spacing:0}
.page-hero-sub{color:var(--ink-2);font-size:16.5px;max-width:640px;margin:0}
@media(min-width:768px){
  .page-hero{padding:150px 0 78px;min-height:460px}
  .page-hero h1{font-size:44px}
}
.breadcrumb{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-bd);width:fit-content;font-size:13.5px;color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .now{color:#fff}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.section-head{margin-bottom:32px;max-width:760px}
.section-head h2{font-size:26px;font-weight:800;margin:0 0 10px;line-height:1.3}
@media(min-width:1024px){.section-head h2{font-size:34px}}
.section-head p{color:var(--ink-2);font-size:16px;margin:0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  padding:16px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-bd);
  backdrop-filter:blur(14px) saturate(140%);margin-bottom:32px}
.filter-chip{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--ink-2);background:rgba(255,255,255,.03);border:1px solid var(--glass-bd);
  transition:all .22s ease-out}
.filter-chip:hover{color:#fff;border-color:rgba(255,255,255,.22)}
.filter-chip[aria-pressed="true"]{color:#062;color:#04241C;font-weight:700;border-color:transparent;
  background:linear-gradient(135deg,var(--track),#0FB48E);box-shadow:0 8px 22px -12px rgba(20,224,177,.9)}
.filter-count{font-family:var(--mono);font-size:12px;color:var(--ink-3)}
.filter-bar .spacer{flex:1 1 auto}
.filter-note{font-size:13px;color:var(--ink-3)}

/* ---------- 赛事卡片流 ---------- */
.event-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.event-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.event-grid{gap:24px}}
.event-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--glass-bd);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 18px 40px -22px rgba(0,0,0,.75);
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out}
.event-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.2);
  box-shadow:0 26px 56px -28px rgba(0,0,0,.85), 0 0 0 1px rgba(20,224,177,.2)}
.event-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:16px;margin:12px 12px 0}
.event-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:16px;transition:transform .3s ease-out}
.event-card:hover .thumb img{transform:scale(1.03)}
.event-card .thumb-mask{position:absolute;inset:0;border-radius:16px;
  background:linear-gradient(180deg,rgba(5,9,18,0) 40%,rgba(5,9,18,.72) 100%)}
.event-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.event-card h3{font-size:18px;font-weight:700;margin:0;line-height:1.45}
.event-card p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.75}
.event-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--ink-3);
  border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.event-meta .item{display:inline-flex;align-items:center;gap:6px}
.event-meta time{font-family:var(--mono);font-size:13px;color:var(--ink-2)}
.event-card-lg{grid-column:1 / -1}
@media(min-width:640px){.event-card-lg{grid-column:span 2}}
@media(min-width:640px){.event-card-lg .thumb{aspect-ratio:21/9}}
.event-card-lg h3{font-size:22px}
@media(min-width:1024px){
  .event-card-lg .body{padding:20px 24px 24px}
  .event-card-lg .thumb{margin:16px 16px 0}
}
.thumb-tags{position:absolute;left:12px;top:12px;z-index:2;display:flex;gap:8px;flex-wrap:wrap}
.thumb-status{position:absolute;right:12px;bottom:12px;z-index:2}

/* ---------- 数据条 ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--glass-bd);border-radius:var(--radius);overflow:hidden}
@media(min-width:768px){.stat-bar{grid-template-columns:repeat(4,1fr)}}
.stat-cell{background:rgba(10,18,38,.72);padding:22px 20px;backdrop-filter:blur(10px)}
.stat-cell .num{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--track);line-height:1.1}
.stat-cell .lbl{font-size:13.5px;color:var(--ink-3);margin-top:6px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-step{padding:20px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-bd)}
.flow-step .step-no{font-family:var(--mono);font-size:13px;color:var(--track);letter-spacing:.06em}
.flow-step h3{font-size:17px;margin:10px 0 8px;font-weight:700}
.flow-step p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.75}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:36px}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;
  padding:0 14px;border-radius:12px;font-size:14px;color:var(--ink-2);
  background:var(--glass);border:1px solid var(--glass-bd);font-family:var(--mono)}
.pager a:hover{color:#fff;border-color:rgba(20,224,177,.5)}
.pager .current{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent;font-weight:700}
.pager .disabled{opacity:.45;cursor:not-allowed}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-bd);
  backdrop-filter:blur(14px) saturate(140%);overflow:hidden;transition:border-color .24s ease-out}
.faq-item.is-open{border-color:rgba(20,224,177,.42)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink);text-align:left}
.faq-q .plus{flex:0 0 auto;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;border:1px solid var(--glass-bd);color:var(--track);transition:transform .24s ease-out}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a-inner{padding:0 20px 20px;color:var(--ink-2);font-size:15px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:24px;padding:36px 24px;
  background:linear-gradient(135deg,rgba(16,28,51,.92),rgba(10,18,38,.94));
  border:1px solid var(--glass-bd);box-shadow:0 24px 60px -30px rgba(0,0,0,.8)}
.cta-panel::before{content:"";position:absolute;left:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,224,177,.2),transparent 66%)}
.cta-panel .cta-inner{position:relative;z-index:2;display:grid;gap:26px}
@media(min-width:1024px){
  .cta-panel{padding:52px 48px}
  .cta-panel .cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:48px}
}
.cta-panel h2{font-size:26px;font-weight:800;margin:0 0 12px;line-height:1.3}
@media(min-width:1024px){.cta-panel h2{font-size:32px}}
.cta-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;color:var(--ink-2);font-size:15px}
.cta-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:var(--track);box-shadow:0 0 10px rgba(20,224,177,.7)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:40px;border-top:1px solid var(--line);background:rgba(6,10,20,.7);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.footer-col h4{font-size:15px;font-weight:700;margin:0 0 14px}
.footer-desc{color:var(--ink-2);font-size:14px;margin:8px 0 14px;max-width:280px;line-height:1.8}
.footer-contact{color:var(--ink-3);font-size:13.5px;line-height:1.9;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{color:var(--ink-2);font-size:14.5px}
.footer-list a:hover{color:var(--track)}
.search-box{display:flex;align-items:center;gap:8px;width:100%;max-width:320px;height:48px;padding:0 8px 0 14px;
  border-radius:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12)}
.search-box input{flex:1;background:none;border:0;outline:none;height:100%}
.search-box input::placeholder{color:var(--ink-3)}
.search-box:focus-within{border-color:var(--track);box-shadow:0 0 0 2px rgba(20,224,177,.28)}
.cta-mini{padding:18px;border-radius:var(--radius)}
.cta-mini p{color:var(--ink-2);font-size:14px;margin:6px 0 14px;line-height:1.7}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;justify-content:space-between;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}
.friend-links{display:inline-flex;align-items:center;gap:8px}
.friend-links a{color:var(--ink-2)}
.friend-links a:hover{color:var(--track)}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{position:fixed;inset:0;z-index:80;background:rgba(5,9,18,.96);backdrop-filter:blur(18px);
  transform:translateX(100%);transition:transform .28s ease-out;display:flex;flex-direction:column;padding:24px}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.nav-drawer a.drawer-link{font-size:18px;line-height:1.9;color:var(--ink-2);padding:10px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(8px);transition:opacity .3s ease-out,transform .3s ease-out}
.nav-drawer.is-open a.drawer-link{opacity:1;transform:translateY(0)}
.nav-drawer a.drawer-link.is-active{color:#fff}
.nav-drawer .drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;color:var(--ink-3);font-size:13.5px}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --bg-0:#050912; --bg-1:#0A1226; --bg-2:#101C33;
  --brand:#2E7CF6; --brand-2:#1B5BD6; --brand-ink:#0B1B33;
  --track:#14E0B1; --signal:#FFB020; --danger:#FF6B6B;
  --ink:#EAF1FF; --ink-2:#A9B7CE; --ink-3:#74839C;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --r-card:20px; --r-btn:14px; --r-input:12px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-glass:0 24px 60px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.06);
  --font-mono: ui-monospace, "DIN Alternate", Menlo, Consolas, monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(20,224,177,.10), transparent 40%),
    radial-gradient(circle at 90% 88%, rgba(46,124,246,.13), transparent 44%);
  background-attachment:fixed;
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
::selection{background:rgba(46,124,246,.35);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ============ 导航 ============ */
.glass-nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:rgba(5,9,18,.35);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .26s ease-out, box-shadow .26s ease-out;
}
.glass-nav.is-stuck{
  background:rgba(6,10,20,.92);
  box-shadow:0 12px 30px -20px #000;
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.15;flex-shrink:0;}
.brand-main{font-size:17px;font-weight:800;color:#fff;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .2s ease-out;white-space:nowrap;
}
.nav-link::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%) scale(0);
  width:3px;height:3px;border-radius:50%;background:var(--track);
  box-shadow:0 0 8px var(--track);transition:transform .2s ease-out;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::before{transform:translateY(-50%) scale(1);}
.nav-link.is-active{color:#fff;font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--track);box-shadow:0 6px 12px -6px var(--track);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-2);
  cursor:pointer;transition:all .2s ease-out;
}
.icon-btn:hover{color:#fff;border-color:rgba(20,224,177,.45);background:rgba(20,224,177,.08);}
.icon-btn:focus-visible{outline:2px solid var(--track);outline-offset:2px;}
.burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink);
  cursor:pointer;transition:all .2s ease-out;
}
.burger:hover{border-color:rgba(20,224,177,.45);color:#fff;}

/* ============ 按钮 ============ */
.glow-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:#fff;text-decoration:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 30px -10px rgba(46,124,246,.65), inset 0 0 0 1px rgba(255,255,255,.12);
  border:none;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease-out, filter .22s ease-out, box-shadow .22s ease-out;
}
.glow-btn:hover{
  transform:translateY(-2px);filter:brightness(1.08);
  box-shadow:0 16px 40px -10px rgba(46,124,246,.85), inset 0 0 0 1px rgba(255,255,255,.18);
}
.glow-btn:active{transform:translateY(0);}
.glow-btn:focus-visible{outline:2px solid var(--track);outline-offset:3px;}
.glow-btn.sm{height:40px;padding:0 18px;font-size:14px;}
.ghost-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--ink);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  cursor:pointer;white-space:nowrap;
  transition:all .22s ease-out;
}
.ghost-btn:hover{border-color:rgba(20,224,177,.55);color:#fff;background:rgba(20,224,177,.08);}
.ghost-btn:focus-visible{outline:2px solid var(--track);outline-offset:3px;}
.ghost-btn.sm{height:40px;padding:0 18px;font-size:14px;}

.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .24s ease-out, transform .24s ease-out, box-shadow .24s ease-out;
}
.glass-card:hover{border-color:rgba(255,255,255,.18);}

.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;line-height:1;letter-spacing:.02em;
  background:rgba(255,255,255,.06);border:1px solid var(--glass-line);
  color:var(--ink-2);white-space:nowrap;
  transition:all .2s ease-out;
}
a.chip:hover{color:#fff;border-color:rgba(20,224,177,.5);background:rgba(20,224,177,.1);}
.chip-track{background:rgba(20,224,177,.14);border-color:rgba(20,224,177,.28);color:var(--track);}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(5,9,18,.96);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:96px 24px 32px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .3s ease-out, visibility .3s ease-out;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-link{
  display:block;font-size:18px;line-height:1.9;color:var(--ink);
  padding:14px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateX(16px);
  transition:opacity .3s ease-out, transform .3s ease-out, color .2s;
}
.drawer.is-open .drawer-link{opacity:1;transform:translateX(0);}
.drawer.is-open .drawer-link:nth-child(1){transition-delay:.05s;}
.drawer.is-open .drawer-link:nth-child(2){transition-delay:.09s;}
.drawer.is-open .drawer-link:nth-child(3){transition-delay:.13s;}
.drawer.is-open .drawer-link:nth-child(4){transition-delay:.17s;}
.drawer.is-open .drawer-link:nth-child(5){transition-delay:.21s;}
.drawer-link:hover{color:var(--track);}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot .glow-btn{width:100%;}
.drawer-note{margin-top:16px;font-size:13px;color:var(--ink-3);line-height:1.7;}

/* ============ 文章横幅 ============ */
.article-banner{
  position:relative;
  padding:132px 0 48px;
  background-image:
    linear-gradient(180deg, rgba(5,9,18,.52) 0%, rgba(5,9,18,.86) 58%, var(--bg-0) 100%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center 28%;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  min-height:40px;padding:8px 14px;border-radius:12px;
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(10px);
  font-size:13px;color:var(--ink-3);
  width:fit-content;max-width:100%;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s;}
.breadcrumb a:hover{color:var(--track);}
.breadcrumb .sep{color:var(--ink-3);opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.breadcrumb .crumb-cat{color:var(--ink-2);}

.article-head{padding:28px 0 0;max-width:900px;}
.article-head .head-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.article-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.24;font-weight:800;color:#fff;
  letter-spacing:0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;font-size:13px;color:var(--ink-3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta time{font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink-2);}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.6;}
.share-row{display:flex;align-items:center;gap:10px;margin-top:24px;}
.share-row .share-label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 15px;
  border-radius:999px;font-size:13px;color:var(--ink-2);
  background:var(--glass);border:1px solid var(--glass-line);
  cursor:pointer;transition:all .2s ease-out;
}
.share-btn:hover{color:#fff;border-color:rgba(20,224,177,.5);background:rgba(20,224,177,.09);}
.share-btn:focus-visible{outline:2px solid var(--track);outline-offset:2px;}
.share-btn.is-done{border-color:rgba(20,224,177,.7);color:var(--track);}

/* ============ 文章主体 ============ */
.article-main{padding:56px 0 96px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;}
.article-body-wrap{min-width:0;}
.article-body{max-width:800px;}

.prose-cn{font-size:17px;line-height:1.9;color:#C6D2E6;}
.prose-cn > *:first-child{margin-top:0;}
.prose-cn h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:#fff;
  margin:44px 0 18px;padding-left:16px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--track),var(--brand));
  box-shadow:0 0 14px -2px rgba(20,224,177,.7);
}
.prose-cn h3{font-size:20px;line-height:1.5;font-weight:700;color:#fff;margin:34px 0 14px;}
.prose-cn h4{font-size:17px;font-weight:700;color:#fff;margin:26px 0 12px;}
.prose-cn p{margin:0 0 1.2em;color:#C6D2E6;}
.prose-cn strong{color:#fff;font-weight:700;}
.prose-cn a{color:var(--track);text-decoration:underline;text-underline-offset:3px;transition:color .2s;}
.prose-cn a:hover{color:#fff;}
.prose-cn ul{list-style:none;padding-left:0;margin:0 0 1.4em;}
.prose-cn ul li{position:relative;padding-left:24px;margin-bottom:10px;color:#C6D2E6;}
.prose-cn ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--track);box-shadow:0 0 9px rgba(20,224,177,.65);
}
.prose-cn ol{list-style:none;counter-reset:cnol;padding-left:0;margin:0 0 1.4em;}
.prose-cn ol li{counter-increment:cnol;position:relative;padding-left:38px;margin-bottom:12px;color:#C6D2E6;}
.prose-cn ol li::before{
  content:counter(cnol,decimal-leading-zero);
  position:absolute;left:0;top:3px;
  font-family:var(--font-mono);font-size:14px;font-weight:700;
  color:var(--track);letter-spacing:.04em;
}
.prose-cn blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--glass);border:1px solid var(--glass-line);
  border-left:3px solid var(--track);
  border-radius:0 14px 14px 0;
  color:var(--ink-2);font-size:16px;line-height:1.85;
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{width:100%;height:auto;border-radius:16px;margin:22px 0 10px;border:1px solid var(--glass-line);}
.prose-cn figure{margin:26px 0;}
.prose-cn figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.prose-cn table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:14px;overflow:hidden;
}
.prose-cn thead th{
  background:rgba(20,224,177,.12);color:var(--track);
  font-weight:700;font-size:14px;text-align:left;padding:13px 16px;
  border-bottom:1px solid rgba(20,224,177,.22);white-space:nowrap;
}
.prose-cn tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);}
.prose-cn tbody tr:last-child td{border-bottom:none;}
.prose-cn tbody tr:hover{background:rgba(255,255,255,.03);}
.prose-cn .num,.prose-cn code{font-family:var(--font-mono);letter-spacing:.03em;}
.prose-cn code{
  background:rgba(46,124,246,.14);color:#BBD3FF;
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.prose-cn hr{border:none;height:1px;background:var(--line);margin:38px 0;}

.empty-state{
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--r-card);
  padding:52px 28px;text-align:center;
  background:var(--glass);
}
.empty-state h2{font-size:22px;color:#fff;margin-bottom:12px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--ink-3);margin-bottom:22px;font-size:15px;}

/* ============ 标签行 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line);
  max-width:800px;
}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);margin-right:4px;}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav{
  display:grid;grid-template-columns:1fr;gap:16px;
  margin:32px 0 0;max-width:800px;
}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border-radius:16px;
  background:var(--glass);border:1px solid var(--glass-line);
  transition:all .22s ease-out;
}
.post-nav-item:hover{border-color:rgba(20,224,177,.45);transform:translateY(-2px);}
.post-nav-item .pn-label{font-size:12px;color:var(--ink-3);letter-spacing:.05em;}
.post-nav-item .pn-title{font-size:16px;font-weight:600;color:#fff;}
.post-nav-item.is-next{text-align:left;}

/* ============ 侧栏 ============ */
.article-side{min-width:0;display:flex;flex-direction:column;gap:20px;}
.toc-card{padding:22px 22px 24px;}
.toc-title{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;
  padding-bottom:14px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto;}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);
  padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:all .2s ease-out;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-link:hover{color:#fff;background:rgba(255,255,255,.04);}
.toc-link.is-current{color:var(--track);border-left-color:var(--track);background:rgba(20,224,177,.08);}
.toc-link.is-sub{padding-left:24px;font-size:13px;color:var(--ink-3);}
.toc-empty{font-size:13px;color:var(--ink-3);padding:6px 10px;}

.side-cta{padding:22px;}
.side-cta h3{font-size:16px;color:#fff;margin-bottom:10px;}
.side-cta p{font-size:13px;line-height:1.75;color:var(--ink-3);margin-bottom:16px;}

/* ============ 相关推荐 ============ */
.related-section{margin-top:80px;padding-top:56px;border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);color:#fff;line-height:1.3;font-weight:800;}
.section-head .section-desc{font-size:14px;color:var(--ink-3);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);
  transition:transform .24s ease-out, border-color .24s ease-out, box-shadow .24s ease-out;
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.2);box-shadow:var(--shadow-glass);}
.post-card .card-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.post-card .card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;margin:0;transition:transform .4s ease-out;}
.post-card:hover .card-media img{transform:scale(1.03);}
.post-card .card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,18,0) 45%,rgba(5,9,18,.75) 100%);
}
.post-card .card-cat{position:absolute;left:14px;top:14px;z-index:2;}
.post-card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:18px;line-height:1.45;color:#fff;font-weight:700;margin-bottom:10px;}
.post-card .card-excerpt{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;}
.post-card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.post-card .card-time{font-family:var(--font-mono);font-size:13px;color:var(--ink-3);letter-spacing:.04em;}
.post-card .card-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
  color:var(--ink-2);transition:all .22s ease-out;
}
.post-card:hover .card-arrow{color:var(--track);border-color:rgba(20,224,177,.5);transform:translateX(2px);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.back-row{display:flex;justify-content:center;margin-top:56px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;padding:72px 0 32px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,18,38,.5), rgba(5,9,18,.9));
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-desc{font-size:13px;color:var(--ink-3);line-height:1.8;margin:14px 0 16px;max-width:320px;}
.footer-contact{font-size:13px;color:var(--ink-3);line-height:1.9;margin-bottom:18px;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{font-size:14px;color:var(--ink-2);transition:color .2s ease-out, transform .2s ease-out;width:fit-content;}
.footer-list a:hover{color:var(--track);transform:translateX(3px);}
.search-box{
  display:flex;align-items:center;gap:8px;
  padding:4px 4px 4px 14px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  max-width:320px;transition:border-color .2s, box-shadow .2s;
}
.search-box:focus-within{border-color:var(--track);box-shadow:0 0 0 2px rgba(20,224,177,.18);}
.search-box input{
  flex:1;min-width:0;height:40px;background:transparent;border:none;outline:none;
  color:var(--ink);font-size:14px;font-family:inherit;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box .icon-btn{width:36px;height:36px;border-radius:9px;}
.cta-mini{padding:20px;}
.cta-mini p{font-size:13px;color:var(--ink-3);line-height:1.75;margin:10px 0 16px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.footer-bottom .friend-links{display:inline-flex;align-items:center;gap:8px;}
.footer-bottom .friend-links a{color:var(--ink-2);transition:color .2s;}
.footer-bottom .friend-links a:hover{color:var(--track);}

/* ============ 响应式 ============ */
@media (min-width:640px){
  .container{padding:0 24px;}
  .post-nav{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;}
}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .burger{display:none;}
  .article-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;}
  .article-side{position:relative;}
  .toc-card{position:sticky;top:96px;}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;}
  .article-main{padding:64px 0 110px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .article-side{order:-1;}
  .side-cta{display:none;}
  .toc-card{position:static;padding:16px 18px;}
  .toc-title{padding-bottom:10px;margin-bottom:10px;}
  .toc-list{flex-direction:row;gap:8px;overflow-x:auto;max-height:none;padding-bottom:6px;scrollbar-width:none;}
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-link{
    white-space:nowrap;border-left:none;border-bottom:2px solid transparent;
    padding:6px 2px;border-radius:0;flex:0 0 auto;
  }
  .toc-link.is-sub{display:none;}
  .toc-link.is-current{border-left-color:transparent;border-bottom-color:var(--track);background:transparent;}
}
@media (max-width:639px){
  .article-banner{padding:118px 0 40px;}
  .article-main{padding:44px 0 72px;}
  .brand-main{font-size:15px;}
  .brand-sub{font-size:10px;}
  .article-head h1{font-size:30px;line-height:1.26;}
  .prose-cn{font-size:16px;line-height:1.85;}
  .prose-cn h2{font-size:20px;margin:36px 0 14px;}
  .prose-cn h3{font-size:18px;}
  .breadcrumb .current{max-width:44vw;}
  .related-section{margin-top:56px;padding-top:40px;}
  .site-footer{padding:56px 0 28px;}
  .footer-grid{gap:28px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#050912; --bg-1:#0A1226; --bg-2:#101C33;
  --brand:#2E7CF6; --brand-2:#1B5BD6; --brand-ink:#0B1B33;
  --track:#14E0B1; --signal:#FFB020;
  --ink:#EAF1FF; --ink-2:#A9B7CE; --ink-3:#74839C;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --r-card:20px; --r-btn:14px; --r-input:12px;
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
  --shadow-glass:0 24px 60px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.06);
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--sans); font-size:16.5px; line-height:1.85;
  color:var(--ink); background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 620px at 6% -6%, rgba(20,224,177,.10), transparent 62%),
    radial-gradient(1000px 720px at 96% 4%, rgba(46,124,246,.14), transparent 64%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;letter-spacing:0}
p{margin:0}
time,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

body .container{max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){ body .container{max-width:1240px} }
@media (max-width:640px){ body .container{padding:0 20px} }

/* ============ 导航 ============ */
.glass-nav{
  position:fixed; top:0; left:0; right:0; height:72px; z-index:60;
  background:rgba(5,9,18,.35);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background 260ms ease-out, box-shadow 260ms ease-out;
}
.glass-nav.is-stuck{background:rgba(6,10,20,.9);box-shadow:0 12px 30px -20px #000}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;flex-direction:column;justify-content:center;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;color:#fff}
.brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.03em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--ink-2);transition:color .22s ease-out,background .22s ease-out}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-link:hover::before{content:"";position:absolute;left:3px;top:50%;width:3px;height:3px;border-radius:50%;background:var(--track);transform:translateY(-50%)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--track);box-shadow:0 6px 12px -6px var(--track)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--glass-line);background:var(--glass);
  color:var(--ink-2);cursor:pointer;transition:color .22s,border-color .22s,background .22s;
}
.icon-btn:hover{color:#fff;border-color:rgba(20,224,177,.42);background:rgba(255,255,255,.07)}
.icon-btn:focus-visible{outline:2px solid var(--track);outline-offset:2px}
.glow-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:999px;cursor:pointer;
  font-size:15px;font-weight:700;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 30px -10px rgba(46,124,246,.65), inset 0 0 0 1px rgba(255,255,255,.12);
  transition:transform .24s ease-out, box-shadow .24s ease-out, filter .24s ease-out;
}
.glow-btn:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 38px -12px rgba(46,124,246,.8), inset 0 0 0 1px rgba(255,255,255,.18)}
.glow-btn:active{transform:translateY(0)}
.glow-btn:focus-visible{outline:2px solid var(--track);outline-offset:3px}
.glow-btn.sm{height:38px;padding:0 16px;font-size:14px}
body .hidden{display:none}
@media (max-width:639px){ body .hidden{display:none} }
@media (min-width:640px){ body .sm\:inline-flex{display:inline-flex} }
.ghost-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink);background:var(--glass);border:1px solid var(--glass-line);cursor:pointer;
  transition:transform .24s ease-out,border-color .24s,color .24s,box-shadow .24s;
}
.ghost-btn:hover{transform:translateY(-2px);border-color:rgba(20,224,177,.55);color:#fff;box-shadow:0 12px 30px -18px rgba(20,224,177,.7)}
.ghost-btn:focus-visible{outline:2px solid var(--track);outline-offset:3px}
.burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--glass-line);background:var(--glass);color:var(--ink);cursor:pointer}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,14,.6);opacity:0;pointer-events:none;transition:opacity .28s;z-index:70}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:80;
  padding:96px 24px 32px;display:flex;flex-direction:column;gap:4px;
  background:rgba(8,13,25,.96);border-left:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transform:translateX(102%);transition:transform .3s ease-out;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer a.d-link{font-size:18px;line-height:1.9;color:var(--ink-2);padding:8px 0;border-bottom:1px solid var(--line)}
.mobile-drawer a.d-link:hover{color:#fff}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;color:var(--ink-3);font-size:13px;line-height:1.8}
@media (min-width:1024px){ .mobile-drawer,.drawer-mask{display:none} }

/* ============ 通用组件 ============ */
.glass-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-glass);
  transition:border-color .24s ease-out, transform .24s ease-out, box-shadow .24s ease-out;
}
.glass-card:hover{border-color:rgba(255,255,255,.18);box-shadow:0 26px 64px -32px rgba(0,0,0,.85), 0 0 0 1px rgba(20,224,177,.16), inset 0 1px 0 rgba(255,255,255,.07)}
.chip{display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 12px;border-radius:999px;font-size:12px;letter-spacing:.02em;background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-2)}
.chip.is-track{background:rgba(20,224,177,.14);border-color:rgba(20,224,177,.3);color:#79EDD4}
.chip.is-signal{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.32);color:#FFD282}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;color:var(--track);text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--track),transparent)}
.section{padding:104px 0}
.section-head{max-width:780px;margin-bottom:44px}
.section-title{font-size:clamp(25px,3vw,34px);color:#fff;margin-top:14px}
.section-sub{color:var(--ink-2);margin-top:14px;font-size:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}
img.rounded-16{border-radius:16px}

/* ============ 面包屑 & Hero ============ */
.page-hero{
  position:relative;padding:158px 0 84px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(5,9,18,.66),rgba(5,9,18,.93)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.page-hero::before{content:"";position:absolute;top:72px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(20,224,177,.5),transparent)}
.breadcrumb{display:inline-flex;align-items:center;gap:10px;height:40px;padding:0 16px;margin-bottom:26px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--glass-line);font-size:13.5px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:#fff}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);color:#fff;line-height:1.18;max-width:960px}
.page-hero .lead{max-width:760px;margin-top:18px;font-size:17px;color:var(--ink-2)}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.stat .num{font-family:var(--mono);font-size:26px;font-weight:700;color:#fff;display:flex;align-items:baseline;gap:5px}
.stat .num em{font-style:normal;font-size:14px;color:var(--track);font-weight:600}
.stat .lbl{font-size:13px;color:var(--ink-3);margin-top:4px}

/* ============ 票种对比表 ============ */
.table-wrap{overflow-x:auto;border-radius:var(--r-card);border:1px solid var(--glass-line);background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:var(--shadow-card)}
table.plan-table{width:100%;min-width:820px;border-collapse:collapse}
table.plan-table th,table.plan-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
table.plan-table thead th{font-size:13px;color:var(--ink-3);letter-spacing:.04em;background:rgba(255,255,255,.025);font-weight:600;white-space:nowrap}
table.plan-table tbody tr:last-child th,table.plan-table tbody tr:last-child td{border-bottom:0}
table.plan-table tbody th{font-weight:600;color:var(--ink-2);font-size:14px;width:150px}
table.plan-table tbody tr{transition:background .22s}
table.plan-table tbody tr:hover{background:rgba(255,255,255,.035)}
.col-feature{background:rgba(20,224,177,.055)}
thead th.col-feature{background:rgba(20,224,177,.1)}
.plan-name{font-size:17px;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.plan-price{font-family:var(--mono);font-size:19px;color:#fff;font-weight:700}
.plan-price small{font-size:12px;color:var(--ink-3);font-weight:400;margin-left:4px}
.cell-track{color:#7CF0D4}
.cell-muted{color:var(--ink-2)}
.plan-note{margin-top:16px;font-size:13.5px;color:var(--ink-3)}

/* ============ 表单 ============ */
.form-panel{display:grid;grid-template-columns:5fr 7fr;gap:44px;padding:44px;position:relative;overflow:hidden}
.form-panel::before{content:"";position:absolute;top:-120px;left:-100px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(20,224,177,.18),transparent 68%);pointer-events:none}
.panel-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.panel-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:15.5px}
.panel-list .dot{flex:0 0 22px;width:22px;height:22px;margin-top:6px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(20,224,177,.16);color:var(--track);font-size:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--ink-2)}
.control{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  color:var(--ink);transition:border-color .22s, box-shadow .22s, background .22s;
}
.control::placeholder{color:var(--ink-3)}
.control:hover{border-color:rgba(255,255,255,.2)}
.control:focus{outline:none;border-color:var(--track);box-shadow:0 0 0 3px rgba(20,224,177,.18);background:rgba(255,255,255,.06)}
select.control{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2374839C' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
select.control option{background:var(--bg-1);color:var(--ink)}
textarea.control{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.check-row{display:flex;align-items:flex-start;gap:10px;grid-column:1/-1;color:var(--ink-2);font-size:14px}
.check-row input{width:18px;height:18px;margin-top:5px;accent-color:#14E0B1}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-hint{font-size:13px;color:var(--ink-3)}
.form-note{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:14px;font-size:14px;line-height:1.7}
.form-note.success{background:rgba(20,224,177,.1);border:1px solid rgba(20,224,177,.4);color:#8DF3DC}
.form-note.error{background:rgba(255,107,107,.08);border:1px solid #FF6B6B;color:#FFB3B3}

/* ============ 双卡 / 流程 / FAQ / CTA ============ */
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.info-card{padding:30px}
.info-card h3{font-size:20px;color:#fff;display:flex;align-items:center;gap:10px}
.info-card h3 .idx{font-family:var(--mono);font-size:13px;color:var(--track)}
.info-card p{color:var(--ink-2);margin-top:14px;font-size:15.5px}
.info-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.info-list li{display:flex;gap:10px;color:var(--ink-2);font-size:14.5px}
.info-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:11px;border-radius:50%;background:var(--track)}
.flow-list{display:flex;flex-direction:column;gap:14px}
.flow-item{display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:flex-start;padding:26px 28px}
.flow-num{font-family:var(--mono);font-size:40px;line-height:1;font-weight:700;color:rgba(255,255,255,.16)}
.flow-item h3{font-size:19px;color:#fff}
.flow-item p{color:var(--ink-2);font-size:15px;margin-top:8px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--glass-line);border-radius:16px;background:var(--glass);overflow:hidden;transition:border-color .24s,background .24s}
.faq-item.is-open{border-color:rgba(20,224,177,.45);background:rgba(20,224,177,.05)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q:focus-visible{outline:2px solid var(--track);outline-offset:-4px}
.faq-plus{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .26s ease-out}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px}
.faq-plus::before{left:50%;top:4px;width:2px;height:14px;transform:translateX(-50%)}
.faq-plus::after{top:50%;left:4px;height:2px;width:14px;transform:translateY(-50%)}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-item.is-open .faq-plus::before,.faq-item.is-open .faq-plus::after{background:var(--track)}
.faq-a{display:none;padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.85}
.faq-item.is-open .faq-a{display:block}
.cta-band{padding:46px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-band p{color:var(--ink-2);margin-top:10px;max-width:620px;font-size:15.5px}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:rgba(6,10,20,.62);padding:76px 0 34px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:42px}
.footer-col h4{font-size:15.5px;color:#fff;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{color:var(--ink-2);font-size:14.5px;transition:color .2s,padding-left .2s}
.footer-list a:hover{color:#fff;padding-left:4px}
.footer-desc{color:var(--ink-2);font-size:14px;line-height:1.8;margin:12px 0 14px}
.footer-contact{color:var(--ink-3);font-size:13.5px;line-height:1.95;margin-bottom:16px}
.search-box{display:flex;align-items:center;gap:8px;padding:6px 6px 6px 14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--glass-line)}
.search-box input{flex:1;min-width:0;height:36px;border:0;background:none;outline:none;color:var(--ink);font-size:14px}
.search-box input::placeholder{color:var(--ink-3)}
.search-box:focus-within{border-color:var(--track);box-shadow:0 0 0 3px rgba(20,224,177,.16)}
.cta-mini{padding:22px}
.cta-mini p{color:var(--ink-2);font-size:14px;line-height:1.75;margin:8px 0 16px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;margin-top:52px;padding-top:24px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}
.friend-links a{color:var(--ink-2);margin-left:6px}
.friend-links a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .section{padding:76px 0}
  .page-hero{padding:140px 0 68px}
  .form-panel{grid-template-columns:1fr;padding:30px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .dual-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:64px 0}
  .hero-stats{gap:22px}
  .stat .num{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .form-grid{grid-template-columns:1fr}
  .flow-item{grid-template-columns:1fr;gap:12px;padding:22px}
  .flow-num{font-size:32px}
  .cta-band{padding:30px}
}
@media (max-width:520px){
  .page-hero{padding:128px 0 56px}
  .page-hero h1{font-size:30px}
  .glow-btn,.ghost-btn{width:100%}
  .nav-right .icon-btn{width:38px;height:38px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#050912;
  --bg-1:#0A1226;
  --bg-2:#101C33;
  --brand:#2E7CF6;
  --brand-2:#1B5BD6;
  --track:#14E0B1;
  --signal:#FFB020;
  --ink:#EAF1FF;
  --ink-2:#A9B7CE;
  --ink-3:#74839C;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-bd:rgba(255,255,255,.10);
  --sh-card:0 18px 40px -22px rgba(0,0,0,.75);
  --sh-glass:0 24px 60px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.06);
  --mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 620px at 6% -6%, rgba(20,224,177,.13), transparent 62%),
    radial-gradient(1000px 700px at 100% 8%, rgba(46,124,246,.14), transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,select,textarea{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:0;}
p{margin:0;}
::selection{background:rgba(20,224,177,.28);color:#fff;}
:focus-visible{outline:2px solid var(--track);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--track);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--track),transparent);}

/* ============ 玻璃与卡片 ============ */
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:20px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-glass);
  transition:border-color .26s ease-out, transform .26s ease-out, box-shadow .26s ease-out;
}
.glass-card:hover{border-color:rgba(255,255,255,.18);}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:27px;padding:0 12px;border-radius:999px;
  font-size:12px;line-height:1;letter-spacing:.02em;
  background:rgba(20,224,177,.13);color:#7ff0d7;border:1px solid rgba(20,224,177,.26);
}
.chip-neutral{background:rgba(255,255,255,.05);color:var(--ink-2);border-color:var(--glass-bd);}
.chip-signal{background:rgba(255,176,32,.13);color:#ffd28a;border-color:rgba(255,176,32,.28);}

/* ============ 按钮 ============ */
.glow-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 30px -10px rgba(46,124,246,.65), inset 0 0 0 1px rgba(255,255,255,.12);
  transition:transform .24s ease-out, box-shadow .24s ease-out, filter .24s ease-out;
  white-space:nowrap;
}
.glow-btn:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 18px 38px -12px rgba(46,124,246,.8), inset 0 0 0 1px rgba(255,255,255,.16);}
.glow-btn:active{transform:translateY(0);}
.glow-btn.sm{padding:9px 18px;font-size:14px;}
.ghost-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-bd);
  transition:border-color .24s ease-out, color .24s ease-out, transform .24s ease-out, background .24s ease-out;
}
.ghost-btn:hover{border-color:rgba(20,224,177,.55);color:#fff;transform:translateY(-2px);background:rgba(20,224,177,.06);}
.ghost-btn.sm{padding:9px 18px;font-size:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);background:rgba(255,255,255,.05);
  border:1px solid var(--glass-bd);
  transition:color .22s ease-out, border-color .22s ease-out, background .22s ease-out;
}
.icon-btn:hover{color:#fff;border-color:rgba(20,224,177,.5);background:rgba(20,224,177,.08);}

/* ============ 导航 ============ */
.glass-nav{
  position:fixed;top:0;left:0;right:0;z-index:70;
  height:var(--nav-h);
  background:rgba(5,9,18,.35);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .26s ease-out, box-shadow .26s ease-out;
}
.glass-nav.is-stuck{
  background:rgba(6,10,20,.9);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 12px 30px -20px #000;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h);}
.brand{display:inline-flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16px;font-weight:800;color:#fff;letter-spacing:.01em;}
.brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 2px;
  transition:color .22s ease-out;
}
.nav-link::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%) scale(0);
  width:5px;height:5px;border-radius:50%;background:var(--track);
  transition:transform .22s ease-out;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::before{transform:translateY(-50%) scale(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--track);
  box-shadow:0 6px 12px -6px var(--track);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.burger{display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;color:var(--ink);background:rgba(255,255,255,.05);border:1px solid var(--glass-bd);}
.burger:hover{border-color:rgba(20,224,177,.5);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(5,9,18,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transform:translateX(100%);
  transition:transform .3s ease-out;
  display:flex;flex-direction:column;
  padding:20px 22px 28px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-links{display:flex;flex-direction:column;gap:4px;padding:22px 0;flex:1;}
.drawer-link{
  font-size:18px;line-height:1.9;color:var(--ink-2);padding:10px 4px;
  border-bottom:1px solid rgba(255,255,255,.05);
  opacity:0;transform:translateY(8px);
  transition:opacity .3s ease-out, transform .3s ease-out, color .2s ease-out;
}
.drawer.is-open .drawer-link{opacity:1;transform:translateY(0);}
.drawer-link:hover,.drawer-link.is-active{color:#fff;}
.drawer-foot{display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:13px;color:var(--ink-3);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:inline-flex;align-items:center;gap:10px;
  height:40px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-bd);
  backdrop-filter:blur(12px);
  font-size:13.5px;color:var(--ink-2);
}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:#fff;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:calc(var(--nav-h) + 44px) 0 60px;
  background-image:
    linear-gradient(180deg, rgba(5,9,18,.78) 0%, rgba(5,9,18,.62) 45%, rgba(5,9,18,.92) 100%),
    url(/assets/images/backpic/back-3.png);
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(20,224,177,.6),rgba(46,124,246,.4),transparent);
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:120px;
  background:linear-gradient(180deg,transparent,var(--bg-0));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  font-size:clamp(30px,4.5vw,48px);
  line-height:1.18;
  margin:26px 0 16px;
  max-width:940px;
}
.page-hero .lede{
  font-size:clamp(16px,1.6vw,18px);
  color:var(--ink-2);
  max-width:640px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ============ 规则分栏 ============ */
.rules-grid{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:34px;
  align-items:start;
}
.toc{
  position:sticky;top:calc(var(--nav-h) + 26px);
  align-self:start;
  padding:22px 18px;
}
.toc-title{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);padding:0 10px 14px;
  border-bottom:1px solid var(--line);margin-bottom:12px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 10px;border-radius:10px;
  font-size:14.5px;color:var(--ink-2);
  border-left:2px solid transparent;
  transition:color .2s ease-out, background .2s ease-out, border-color .2s ease-out;
}
.toc-link .num{font-family:var(--mono);font-size:12px;color:var(--ink-3);min-width:20px;}
.toc-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.toc-link.is-current{
  color:#fff;border-left-color:var(--track);
  background:rgba(20,224,177,.08);
}
.toc-link.is-current .num{color:var(--track);}
.toc-foot{margin-top:16px;padding:14px 10px 4px;border-top:1px solid var(--line);}
.toc-foot p{font-size:13px;color:var(--ink-3);margin-bottom:10px;}

.rules-body{display:flex;flex-direction:column;gap:56px;}
.rule-block{scroll-margin-top:calc(var(--nav-h) + 30px);}
.rule-block h2{
  font-size:clamp(22px,2.5vw,29px);
  padding-left:14px;position:relative;margin-bottom:18px;
}
.rule-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--track),rgba(46,124,246,.5));
}
.rule-block h3{font-size:19px;margin:26px 0 10px;}
.rule-block p{color:var(--ink-2);margin-bottom:16px;}
.rule-block p strong{color:var(--ink);font-weight:700;}
.note{
  background:rgba(255,255,255,.045);
  border-left:3px solid var(--track);
  border-radius:0 14px 14px 0;
  padding:16px 20px;margin:20px 0;
  color:var(--ink-2);font-size:15.5px;
}
.note span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:6px;font-family:var(--mono);}
.bullet-list{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-direction:column;gap:10px;}
.bullet-list li{position:relative;padding-left:20px;color:var(--ink-2);font-size:16px;}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--track);box-shadow:0 0 10px rgba(20,224,177,.7);
}

/* 步骤卡（纵向） */
.steps{display:flex;flex-direction:column;gap:16px;margin:22px 0 8px;}
.step{
  display:grid;grid-template-columns:86px 1fr;gap:20px;align-items:start;
  padding:22px 24px;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:20px;
  transition:border-color .26s ease-out, transform .26s ease-out, background .26s ease-out;
}
.step:hover{border-color:rgba(20,224,177,.42);transform:translateX(4px);background:rgba(255,255,255,.06);}
.step-num{
  font-family:var(--mono);font-size:42px;font-weight:700;line-height:1;
  background:linear-gradient(160deg,#14E0B1,rgba(46,124,246,.55));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin:0 0 8px;font-size:18px;}
.step p{color:var(--ink-2);font-size:15.5px;margin:0 0 10px;}
.step .chip-row{display:flex;flex-wrap:wrap;gap:8px;}

/* 表格 */
.table-wrap{
  overflow-x:auto;border-radius:20px;border:1px solid var(--glass-bd);
  background:var(--glass);margin:22px 0 10px;
  box-shadow:var(--sh-card);
}
.rule-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
.rule-table thead th{
  background:rgba(20,224,177,.11);
  color:#8ff4dd;
  font-weight:700;font-size:14px;
  text-align:left;padding:15px 18px;
  border-bottom:1px solid rgba(20,224,177,.22);
  white-space:nowrap;
}
.rule-table tbody td{
  padding:15px 18px;color:var(--ink-2);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.rule-table tbody tr{transition:background .2s ease-out;}
.rule-table tbody tr:hover{background:rgba(46,124,246,.10);}
.rule-table tbody tr:last-child td{border-bottom:none;}
.rule-table .mono{font-family:var(--mono);color:var(--ink);font-size:14px;}
.rule-table .row-name{color:var(--ink);font-weight:700;}

/* 图文块 */
.figure-block{
  overflow:hidden;border-radius:20px;border:1px solid var(--glass-bd);
  background:var(--glass);margin:22px 0;
}
.figure-block img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.figure-block figcaption{
  padding:14px 20px;font-size:13px;color:var(--ink-3);
  border-top:1px solid rgba(255,255,255,.06);
}

/* 折叠块 */
.acc-list{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.acc-item{
  border:1px solid var(--glass-bd);border-radius:16px;
  background:rgba(255,255,255,.04);
  overflow:hidden;
  transition:border-color .24s ease-out, background .24s ease-out;
}
.acc-item.is-open{border-color:rgba(20,224,177,.45);background:rgba(20,224,177,.05);}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.acc-plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-bd);color:var(--track);
  transition:transform .26s ease-out, border-color .26s ease-out;
}
.acc-item.is-open .acc-plus{transform:rotate(45deg);border-color:rgba(20,224,177,.6);}
.acc-body{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease-out;
}
.acc-inner{padding:0 20px 20px;color:var(--ink-2);font-size:15.5px;line-height:1.85;}

/* CTA 面板 */
.cta-panel{
  position:relative;overflow:hidden;
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-panel::before{
  content:"";position:absolute;top:-140px;left:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,124,246,.28),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-panel p{color:var(--ink-2);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,18,38,.6),rgba(5,9,18,.95));
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
}
.footer-col h4{font-size:15px;margin-bottom:14px;color:#fff;}
.footer-desc{font-size:14px;color:var(--ink-2);margin-bottom:14px;max-width:300px;}
.footer-contact{font-size:13.5px;color:var(--ink-3);line-height:1.9;margin-bottom:16px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14.5px;color:var(--ink-2);transition:color .2s ease-out,padding-left .2s ease-out;}
.footer-list a:hover{color:#fff;padding-left:4px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.04);border:1px solid var(--glass-bd);
  border-radius:12px;padding:4px 4px 4px 14px;max-width:300px;
}
.search-box input{
  flex:1;height:40px;background:none;border:none;outline:none;
  color:var(--ink);font-size:14px;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{border-color:var(--track);box-shadow:0 0 0 3px rgba(20,224,177,.18);}
.cta-mini{padding:20px;border-radius:18px;}
.cta-mini p{font-size:13.5px;color:var(--ink-2);margin:6px 0 14px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;
  font-size:13px;color:var(--ink-3);
}
.friend-links{display:inline-flex;gap:10px;align-items:center;margin-left:auto;}
.friend-links a{color:var(--ink-2);}
.friend-links a:hover{color:var(--track);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .rules-grid{grid-template-columns:1fr;gap:26px;}
  .toc{position:static;}
  .toc-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;}
  .toc-link{white-space:nowrap;border-left:none;border-bottom:2px solid transparent;border-radius:10px;}
  .toc-link.is-current{border-left:none;border-bottom-color:var(--track);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .friend-links{margin-left:0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .page-hero{padding:calc(var(--nav-h) + 30px) 0 44px;}
  .step{grid-template-columns:1fr;gap:10px;padding:20px;}
  .step-num{font-size:34px;}
  .cta-panel{padding:30px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .glow-btn,.cta-actions .ghost-btn{flex:1;min-width:150px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .breadcrumb{font-size:12.5px;padding:0 12px;}
  .hero-meta .chip{font-size:11.5px;}
  .glow-btn,.ghost-btn{width:100%;}
  .nav-right .glow-btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
    --bg-0:#050912; --bg-1:#0A1226; --bg-2:#101C33;
    --brand:#2E7CF6; --brand-2:#1B5BD6; --brand-ink:#0B1B33;
    --track:#14E0B1; --signal:#FFB020; --danger:#FF6B6B;
    --ink:#EAF1FF; --ink-2:#A9B7CE; --ink-3:#74839C;
    --line:rgba(255,255,255,.08);
    --glass:rgba(255,255,255,.045);
    --glass-bd:rgba(255,255,255,.10);
    --r-card:20px; --r-btn:14px; --r-input:12px; --r-img:16px;
    --shadow-card:0 18px 40px -22px rgba(0,0,0,.75);
    --shadow-glass:0 24px 60px -30px rgba(0,0,0,.8);
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    --font-mono:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
    --container:1240px;
    --sec-y:104px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;padding:0;background:var(--bg-0);color:var(--ink);
    font-family:var(--font-sans);font-size:16.5px;line-height:1.85;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  body::before{
    content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
    background:
      radial-gradient(760px 520px at 8% -6%, rgba(20,224,177,.13), transparent 62%),
      radial-gradient(900px 620px at 96% 12%, rgba(46,124,246,.13), transparent 66%);
  }
  img{max-width:100%;display:block;border-radius:var(--r-img)}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer}
  input,select,textarea{font-family:inherit;font-size:15px}
  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.22}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--track);outline-offset:2px}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;position:relative;z-index:1}
  .mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}

  /* ============ 导航 ============ */
  .glass-nav{
    position:fixed;top:0;left:0;right:0;z-index:60;height:72px;
    background:rgba(5,9,18,.35);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    border-bottom:1px solid var(--line);
    transition:background .26s ease-out,box-shadow .26s ease-out,backdrop-filter .26s ease-out;
  }
  .glass-nav.is-stuck{background:rgba(6,10,20,.9);box-shadow:0 12px 30px -20px #000;backdrop-filter:blur(20px) saturate(150%)}
  .nav-inner{display:flex;align-items:center;gap:24px;height:72px}
  .brand{display:flex;flex-direction:column;line-height:1.2;flex-shrink:0}
  .brand-main{font-size:17px;font-weight:800;color:#fff;letter-spacing:0}
  .brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em;margin-top:2px}
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:44px;padding:0 13px;
    color:var(--ink-2);font-size:15px;border-radius:10px;
    transition:color .2s ease-out,background .2s ease-out;
  }
  .nav-link::before{
    content:"";width:3px;height:3px;border-radius:50%;background:var(--track);
    margin-right:0;opacity:0;transform:translateX(-4px);transition:all .2s ease-out;
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.04)}
  .nav-link:hover::before{opacity:1;transform:translateX(0);margin-right:7px}
  .nav-link.is-active{color:#fff}
  .nav-link.is-active::after{
    content:"";position:absolute;left:13px;right:13px;bottom:6px;height:2px;border-radius:2px;
    background:var(--track);box-shadow:0 6px 12px -6px var(--track);
  }
  .nav-right{display:flex;align-items:center;gap:10px;margin-left:8px}
  .icon-btn{
    width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--glass);border:1px solid var(--glass-bd);border-radius:12px;color:var(--ink-2);
    transition:all .2s ease-out;
  }
  .icon-btn:hover{color:#fff;border-color:rgba(20,224,177,.5);box-shadow:0 0 0 1px rgba(20,224,177,.25)}
  .glow-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border:none;border-radius:999px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 10px 30px -10px rgba(46,124,246,.65),inset 0 0 0 1px rgba(255,255,255,.12);
    transition:transform .2s ease-out,box-shadow .2s ease-out,filter .2s ease-out;
  }
  .glow-btn:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 36px -10px rgba(46,124,246,.8),inset 0 0 0 1px rgba(255,255,255,.18)}
  .glow-btn:active{transform:translateY(0)}
  .glow-btn.sm{height:40px;padding:0 18px;font-size:14px}
  .ghost-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:14px;
    background:var(--glass);border:1px solid var(--glass-bd);color:var(--ink);
    font-size:15px;font-weight:600;
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    transition:all .2s ease-out;
  }
  .ghost-btn:hover{border-color:rgba(20,224,177,.6);color:#fff;transform:translateY(-2px)}
  .ghost-btn.sm{height:40px;padding:0 16px;font-size:14px}
  .burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;
    background:var(--glass);border:1px solid var(--glass-bd);border-radius:12px;color:var(--ink)}
  .drawer{
    position:fixed;inset:0;z-index:70;background:rgba(5,9,18,.94);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    transform:translateX(100%);transition:transform .3s ease-out;
    display:flex;flex-direction:column;padding:22px 24px 32px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
  .drawer-links{display:flex;flex-direction:column}
  .drawer-links a{
    font-size:18px;line-height:1.9;color:var(--ink-2);padding:12px 0;border-bottom:1px solid var(--line);
    opacity:0;transform:translateY(8px);animation:none;
  }
  .drawer.is-open .drawer-links a{animation:drawerIn .34s ease-out forwards}
  .drawer-links a.is-active{color:#fff}
  .drawer-links a:nth-child(1){animation-delay:.04s}
  .drawer-links a:nth-child(2){animation-delay:.08s}
  .drawer-links a:nth-child(3){animation-delay:.12s}
  .drawer-links a:nth-child(4){animation-delay:.16s}
  .drawer-links a:nth-child(5){animation-delay:.2s}
  @keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
  .drawer-foot{margin-top:auto;padding-top:26px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}

  /* ============ 通用组件 ============ */
  .glass-card{
    background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);
    -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
    box-shadow:var(--shadow-glass),inset 0 1px 0 rgba(255,255,255,.06);
    transition:border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
  }
  .glass-card:hover{border-color:rgba(255,255,255,.18)}
  .chip{
    display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  }
  .chip-track{background:rgba(20,224,177,.14);color:#5CF0CE;border:1px solid rgba(20,224,177,.28)}
  .chip-neutral{background:rgba(255,255,255,.06);color:var(--ink-2);border:1px solid var(--glass-bd)}
  .chip-signal{background:rgba(255,176,32,.14);color:#FFC961;border:1px solid rgba(255,176,32,.3)}
  .sec{padding-top:var(--sec-y);padding-bottom:0}
  .sec-head{max-width:760px;margin-bottom:40px}
  .sec-head h2{font-size:clamp(26px,3.1vw,34px)}
  .sec-head p{margin-top:12px;color:var(--ink-2);font-size:16px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);
    font-size:12px;letter-spacing:.16em;color:var(--track);text-transform:uppercase;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:24px;height:1px;background:var(--track);opacity:.7}
  .breadcrumb-bar{
    margin-top:72px;height:40px;display:flex;align-items:center;
    border-bottom:1px solid var(--line);background:rgba(255,255,255,.025);
  }
  .breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-3)}
  .breadcrumb a{color:var(--ink-3);transition:color .2s ease-out}
  .breadcrumb a:hover{color:var(--track)}
  .breadcrumb .sep{color:rgba(255,255,255,.22)}
  .breadcrumb .cur{color:#fff}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;min-height:430px;display:flex;align-items:center;overflow:hidden;
    padding:72px 0 64px;border-bottom:1px solid var(--line);
  }
  .page-hero-bg{position:absolute;inset:0;z-index:0}
  .page-hero-bg img{width:100%;height:100%;object-fit:cover;border-radius:0}
  .page-hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,9,18,.72),rgba(5,9,18,.9) 72%,var(--bg-0));
  }
  .page-hero::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:2;
    background:linear-gradient(90deg,transparent,rgba(20,224,177,.75),transparent);
  }
  .page-hero .container{z-index:2}
  .hero-h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;max-width:900px}
  .hero-h1 em{font-style:normal;color:var(--track)}
  .hero-lead{margin-top:18px;max-width:660px;color:var(--ink-2);font-size:17px}
  .hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:30px}
  .fact{padding:0 26px;border-left:1px solid var(--line)}
  .fact:first-child{padding-left:0;border-left:none}
  .fact b{display:block;font-family:var(--font-mono);font-size:26px;color:#fff;font-weight:700;line-height:1.2}
  .fact span{font-size:12.5px;color:var(--ink-3)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

  /* ============ 榜单 ============ */
  .rank-legend{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
  .rank-list{display:flex;flex-direction:column;gap:12px}
  .rank-row{
    display:grid;align-items:center;gap:18px;
    grid-template-columns:64px minmax(200px,1.4fr) minmax(260px,1.6fr) auto 34px;
    padding:16px 20px;border-radius:var(--r-card);
    background:var(--glass);border:1px solid var(--glass-bd);
    -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
    transition:border-color .22s ease-out,transform .22s ease-out,background .22s ease-out;
  }
  .rank-row:hover{border-color:rgba(20,224,177,.42);transform:translateY(-2px);background:rgba(255,255,255,.065)}
  .rank-num{
    font-family:var(--font-mono);font-size:26px;font-weight:700;line-height:1;
    color:rgba(255,255,255,.36);text-align:center;
  }
  .rank-row.is-top .rank-num{color:var(--signal);text-shadow:0 0 18px rgba(255,176,32,.5)}
  .rank-row.is-line{border-color:rgba(20,224,177,.36)}
  .rank-id{display:flex;align-items:center;gap:14px;min-width:0}
  .rank-avatar{width:46px;height:46px;border-radius:14px;object-fit:cover;flex-shrink:0;border:1px solid var(--glass-bd)}
  .rank-name{font-size:17px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .rank-tag{font-size:12.5px;color:var(--ink-3)}
  .rank-data{display:flex;flex-wrap:wrap;gap:26px}
  .rank-data div b{display:block;font-family:var(--font-mono);font-size:18px;color:#fff;font-weight:700}
  .rank-data div span{font-size:12px;color:var(--ink-3)}
  .rank-arrow{color:var(--ink-3);transition:color .2s ease-out,transform .2s ease-out}
  .rank-row:hover .rank-arrow{color:var(--track);transform:translateX(3px)}
  .rank-more{display:flex;justify-content:center;margin-top:26px}

  /* ============ 里程碑时间轴 ============ */
  .mile-wrap{
    margin-top:0;border-radius:var(--r-card);border:1px solid var(--glass-bd);
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
    padding:36px 28px 30px;
  }
  .mile-track{display:flex;gap:22px;overflow-x:auto;padding:22px 4px 12px;scroll-snap-type:x proximity}
  .mile-track::-webkit-scrollbar{height:6px}
  .mile-track::-webkit-scrollbar-thumb{background:rgba(20,224,177,.4);border-radius:6px}
  .mile-node{
    position:relative;min-width:236px;flex:0 0 auto;scroll-snap-align:start;
    padding:22px 20px 20px;border-radius:18px;background:var(--glass);border:1px solid var(--glass-bd);
    transition:border-color .22s ease-out,transform .22s ease-out;
  }
  .mile-node:hover{border-color:rgba(20,224,177,.45);transform:translateY(-3px)}
  .mile-node::before{
    content:"";position:absolute;top:-22px;left:20px;right:20px;height:2px;
    background:linear-gradient(90deg,var(--track),rgba(20,224,177,0));
  }
  .tl-node{
    position:absolute;top:-27px;left:20px;width:10px;height:10px;border-radius:50%;
    background:var(--track);box-shadow:0 0 0 4px rgba(20,224,177,.16),0 0 16px rgba(20,224,177,.6);
  }
  .mile-node h3{font-size:18px;color:#fff}
  .mile-node .mile-when{font-family:var(--font-mono);font-size:12.5px;color:var(--signal);margin-top:6px;letter-spacing:.06em}
  .mile-node p{margin-top:12px;color:var(--ink-2);font-size:14.5px;line-height:1.75}

  /* ============ 合作媒体 ============ */
  .partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
  .partner{
    height:92px;display:flex;align-items:center;justify-content:center;gap:10px;
    border-radius:var(--r-card);border:1px dashed rgba(255,255,255,.16);
    background:rgba(255,255,255,.03);color:var(--ink-3);font-size:14px;letter-spacing:.04em;
    filter:grayscale(1);transition:all .22s ease-out;
  }
  .partner:hover{filter:grayscale(0);color:var(--ink-2);border-color:rgba(255,255,255,.24)}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{border-radius:var(--r-card);background:var(--glass);border:1px solid var(--glass-bd);overflow:hidden;transition:border-color .22s ease-out}
  .faq-item.is-open{border-color:rgba(20,224,177,.45)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:18px 22px;background:transparent;border:none;color:#fff;text-align:left;
    font-size:17px;font-weight:600;
  }
  .faq-sign{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s ease-out}
  .faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--track);border-radius:2px}
  .faq-sign::before{left:0;right:0;top:10px;height:2px}
  .faq-sign::after{top:0;bottom:0;left:10px;width:2px}
  .faq-item.is-open .faq-sign{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
  .faq-a p{padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.8}

  /* ============ CTA ============ */
  .cta-panel{
    position:relative;overflow:hidden;border-radius:24px;padding:52px 44px;
    background:var(--glass);border:1px solid var(--glass-bd);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    box-shadow:var(--shadow-glass);
  }
  .cta-panel::before{
    content:"";position:absolute;top:-120px;left:-80px;width:420px;height:320px;
    background:radial-gradient(closest-side,rgba(46,124,246,.22),transparent);pointer-events:none;
  }
  .cta-panel h2{font-size:clamp(24px,3vw,32px);max-width:620px}
  .cta-panel p{margin-top:14px;color:var(--ink-2);max-width:620px}
  .cta-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative;z-index:1}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .cta-steps{display:flex;flex-direction:column;gap:14px}
  .cta-step{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.035);border:1px solid var(--glass-bd)}
  .cta-step b{font-family:var(--font-mono);color:var(--track);font-size:13px;padding-top:3px}

  /* ============ 页脚 ============ */
  .site-footer{margin-top:var(--sec-y);border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,18,38,.6),rgba(5,9,18,.95))}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:34px;padding:56px 0 40px}
  .footer-col h4{font-size:15px;color:#fff;margin-bottom:14px}
  .footer-desc{color:var(--ink-2);font-size:14px;line-height:1.75;margin-top:10px;max-width:300px}
  .footer-contact{margin-top:14px;color:var(--ink-3);font-size:13px;line-height:1.9}
  .footer-list{display:flex;flex-direction:column;gap:10px}
  .footer-list a{color:var(--ink-2);font-size:14px;transition:color .2s ease-out}
  .footer-list a:hover{color:var(--track)}
  .search-box{display:flex;gap:8px;margin-top:18px}
  .search-box input{
    flex:1;height:44px;padding:0 14px;border-radius:var(--r-input);
    background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);color:var(--ink);
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .search-box input::placeholder{color:var(--ink-3)}
  .search-box input:focus{outline:none;border-color:var(--track);box-shadow:0 0 0 2px rgba(20,224,177,.22)}
  .cta-mini{padding:20px}
  .cta-mini p{color:var(--ink-2);font-size:13.5px;line-height:1.7;margin:8px 0 14px}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;
    padding:20px 0 32px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px;
  }
  .friend-links a{color:var(--ink-3);transition:color .2s ease-out}
  .friend-links a:hover{color:var(--track)}

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important}
    html{scroll-behavior:auto}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1200px){
    .nav-link{padding:0 10px;font-size:14.5px}
  }
  @media (max-width:1023px){
    :root{--sec-y:76px}
    .nav-links{display:none}
    .burger{display:inline-flex}
    .nav-right .glow-btn{display:none}
    .page-hero{min-height:380px;padding:56px 0 52px}
    .cta-inner{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 32px}
    .rank-row{grid-template-columns:54px 1fr auto;gap:14px}
    .rank-data{grid-column:1 / -1;padding-left:68px;gap:22px}
    .rank-arrow{display:none}
    .partner-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:639px){
    :root{--sec-y:58px}
    body{font-size:16px}
    .container{padding-left:20px;padding-right:20px}
    .brand-main{font-size:15.5px}
    .brand-sub{font-size:10.5px}
    .hero-h1{font-size:30px}
    .hero-lead{font-size:15.5px}
    .fact{padding:0 16px}
    .fact b{font-size:22px}
    .hero-actions .glow-btn,.hero-actions .ghost-btn{width:100%}
    .rank-row{grid-template-columns:46px 1fr;padding:14px 16px}
    .rank-num{font-size:22px}
    .rank-avatar{width:40px;height:40px;border-radius:12px}
    .rank-data{grid-column:1 / -1;padding-left:0;gap:18px}
    .rank-data div b{font-size:16px}
    .rank-chip{grid-column:1 / -1}
    .mile-wrap{padding:26px 18px 20px}
    .mile-node{min-width:210px}
    .cta-panel{padding:34px 22px}
    .partner-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }