/* roulang page: index */
:root{
  --bg-base:#060B14;
  --bg-deep:#0A1526;
  --surface-glass:rgba(255,255,255,.045);
  --stroke-glass:rgba(140,190,255,.16);
  --brand:#17C6E8;
  --brand-deep:#0B6E8F;
  --brand-soft:rgba(23,198,232,.12);
  --accent:#FFB43C;
  --accent-deep:#C97A12;
  --violet:#7C6BFF;
  --text:#EAF3FF;
  --text-muted:#9DB0C7;
  --text-dim:#6B7F99;
  --success:#34D399;
  --warn:#FF7A6B;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-card:0 24px 60px -30px rgba(0,10,30,.9);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg-base);
  background-image:
    radial-gradient(900px 520px at 10% -10%, rgba(23,198,232,.10), transparent 65%),
    radial-gradient(820px 480px at 94% 4%, rgba(124,107,255,.08), transparent 62%),
    linear-gradient(rgba(140,190,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,190,255,.04) 1px, transparent 1px);
  background-size:auto, auto, 46px 46px, 46px 46px;
  background-attachment:fixed;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-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;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(23,198,232,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container-x{max-width:1200px;margin-inline:auto;padding-inline:24px}
.h1-display{font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.5px}
.h2-display{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:700}
.h3-display{font-size:clamp(17px,2vw,20px);line-height:1.4;font-weight:600}
.lead{color:var(--text-muted);font-size:17px;line-height:1.85}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* 玻璃层：导航 / 倒计时条 / 卡片 */
.glass{
  background:var(--surface-glass);
  border:1px solid var(--stroke-glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.glass-soft{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--stroke-glass);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease),color .2s var(--ease);
}
.btn-accent{
  background:linear-gradient(180deg,#FFC568,#FFB43C 55%,#F0A124);
  color:#231502;box-shadow:0 8px 30px rgba(255,180,60,.28);
}
.btn-accent:hover{box-shadow:0 12px 38px rgba(255,180,60,.45);transform:translateY(-2px);color:#231502}
.btn-accent:active{transform:translateY(0);box-shadow:0 4px 18px rgba(255,180,60,.3)}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:rgba(140,190,255,.16);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(140,190,255,.38);background:rgba(23,198,232,.08);color:var(--text);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-block{width:100%}

/* 徽章 */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px;
  background:var(--brand-soft);color:#7FE3F7;border:1px solid rgba(23,198,232,.28);
}
.pill-accent{background:rgba(255,180,60,.12);color:#FFD08A;border-color:rgba(255,180,60,.3)}
.pill-violet{background:rgba(124,107,255,.14);color:#BDB4FF;border-color:rgba(124,107,255,.3)}
.pill-dim{background:rgba(255,255,255,.05);color:var(--text-muted);border-color:rgba(140,190,255,.14)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(52,211,153,.15);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* 导航 */
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 2px;
  font-size:14.5px;color:var(--text-muted);white-space:nowrap;
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(23,198,232,.6);
}
.channel-strip{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-strip::-webkit-scrollbar{display:none}
.fade-mask{position:relative}
.fade-mask::before,.fade-mask::after{
  content:"";position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;
}
.fade-mask::before{left:0;background:linear-gradient(90deg,rgba(6,11,20,.92),rgba(6,11,20,0))}
.fade-mask::after{right:0;background:linear-gradient(270deg,rgba(6,11,20,.92),rgba(6,11,20,0))}

/* 卡片 */
.card{
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.018));
  border:1px solid var(--stroke-glass);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(23,198,232,.42);box-shadow:0 28px 64px -30px rgba(0,10,30,.95)}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--brand)}
.arrow-link svg{transition:transform .25s var(--ease)}
.card:hover .arrow-link svg{transform:translateX(4px)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* 编号纵列 */
.num-outline{
  font-size:clamp(38px,5vw,56px);font-weight:700;line-height:1;letter-spacing:-2px;
  color:transparent;-webkit-text-stroke:1.4px rgba(23,198,232,.55);font-variant-numeric:tabular-nums;
}

/* 图墙 */
.wall-item{position:relative;overflow:hidden;border-radius:var(--radius-md);border:1px solid var(--stroke-glass);background:var(--bg-deep)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .5s var(--ease)}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,11,20,0) 42%, rgba(6,11,20,.86) 100%);
  transition:opacity .4s var(--ease);
}
.wall-item:hover img{transform:scale(1.04)}
.wall-item:hover::after{opacity:.62}
.wall-cap{
  position:absolute;left:14px;bottom:12px;z-index:3;font-size:13.5px;font-weight:600;color:var(--text);
  padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.wall-item:hover .wall-cap{border-color:var(--brand);transform:translateY(-2px)}

/* 表单 */
.field-label{display:block;font-size:13.5px;color:var(--text-muted);margin-bottom:8px;font-weight:500}
.field{
  width:100%;height:48px;border-radius:12px;padding:0 14px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke-glass);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field::placeholder{color:var(--text-dim)}
.field:hover{border-color:rgba(140,190,255,.3)}
.field:focus{
  outline:none;border-color:var(--brand);background:rgba(23,198,232,.06);
  box-shadow:0 0 0 4px rgba(23,198,232,.18);
}
select.field{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9DB0C7 50%),linear-gradient(135deg,#9DB0C7 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-note{font-size:12.5px;color:var(--text-dim);line-height:1.7}
.form-msg{display:none;font-size:13.5px;color:var(--success);margin-top:10px}
.form-msg.show{display:block}

/* FAQ */
.faq-item{
  border:1px solid var(--stroke-glass);border-radius:var(--radius-md);
  background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  overflow:hidden;transition:border-color .25s var(--ease);position:relative;
}
.faq-item:hover{border-color:rgba(140,190,255,.3)}
.faq-item.open{border-color:rgba(23,198,232,.4)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  opacity:0;transition:opacity .26s var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:15.5px;font-weight:600;color:var(--text);
}
.faq-btn:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;color:var(--brand);
  transition:transform .26s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-panel{max-height:0;overflow:hidden;opacity:0;transition:max-height .26s var(--ease),opacity .26s var(--ease)}
.faq-item.open .faq-panel{opacity:1}
.faq-panel p{padding:0 22px 20px;color:var(--text-muted);font-size:14.5px;line-height:1.9}

/* 进场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.stagger > *{transition-delay:0s}

/* 倒计时 */
.count-num{
  display:inline-block;min-width:2ch;font-variant-numeric:tabular-nums;
  font-weight:700;font-size:clamp(18px,2.4vw,26px);color:var(--accent);
  transition:transform .2s var(--ease);
}
.count-num.tick{transform:scale(.92)}
.count-unit{font-size:11px;color:var(--text-dim);letter-spacing:.5px}
.count-sep{color:rgba(255,180,60,.45);font-weight:700}

/* 页脚 */
.footer-link{display:inline-block;font-size:14px;color:var(--text-muted);padding:5px 0}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}
.footer-title{font-size:13px;font-weight:700;color:var(--text);letter-spacing:.4px;margin-bottom:12px}

/* 时间轴装饰、噪点 */
.noise::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.022;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
.quote-block{
  border-left:3px solid rgba(23,198,232,.5);background:rgba(23,198,232,.06);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:14px 18px;color:var(--text-muted);font-size:14.5px;
}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-muted);padding:6px 0}
.check-list li svg{flex:0 0 auto;margin-top:6px;color:var(--brand)}

@media (max-width:767px){
  .container-x{padding-inline:18px}
  .card{border-radius:14px}
  .faq-btn{padding:16px;font-size:15px}
  .faq-panel p{padding:0 16px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg-base:#060B14;
  --bg-deep:#0A1526;
  --surface-glass:rgba(255,255,255,0.045);
  --stroke-glass:rgba(140,190,255,0.16);
  --brand:#17C6E8;
  --brand-deep:#0B6E8F;
  --brand-soft:rgba(23,198,232,0.12);
  --accent:#FFB43C;
  --accent-deep:#C97A12;
  --violet:#7C6BFF;
  --text:#EAF3FF;
  --text-muted:#9DB0C7;
  --text-dim:#6B7F99;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  color:var(--text);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(58% 42% at 10% -4%, rgba(23,198,232,0.16), transparent 62%),
    radial-gradient(48% 38% at 92% 4%, rgba(124,107,255,0.11), transparent 66%),
    linear-gradient(rgba(140,190,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,190,255,0.045) 1px, transparent 1px);
  background-size:auto, auto, 64px 64px, 64px 64px;
  background-attachment:fixed;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
::selection{background:rgba(23,198,232,.35);color:#031018;}

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

.glass{
  background:var(--surface-glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--stroke-glass);
}

/* 频道行 */
.fade-mask{position:relative;}
.fade-mask::before,.fade-mask::after{
  content:"";position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;
}
.fade-mask::before{left:-4px;background:linear-gradient(90deg,rgba(6,11,20,.92),rgba(6,11,20,0));}
.fade-mask::after{right:-4px;background:linear-gradient(270deg,rgba(6,11,20,.92),rgba(6,11,20,0));}
.channel-strip{overflow-x:auto;padding-block:14px;scrollbar-width:none;-ms-overflow-style:none;}
.channel-strip::-webkit-scrollbar{display:none;height:0;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-muted);white-space:nowrap;
  padding-bottom:14px;margin-bottom:-14px;
}
.nav-link:hover{color:var(--text);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 12px rgba(23,198,232,.7);
}

/* 按钮 */
.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;line-height:1.2;
}
.btn-accent{
  color:#1C1200;
  background:linear-gradient(135deg,#FFCB6B,#FFB43C 62%,#F0A22A);
  box-shadow:0 8px 30px rgba(255,180,60,.28);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(255,180,60,.45);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{
  color:var(--text);background:var(--surface-glass);border-color:var(--stroke-glass);
}
.btn-ghost:hover{border-color:rgba(140,190,255,.38);background:rgba(255,255,255,.075);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}

/* 标签 */
.ref-pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;color:#7FE3F5;
  background:var(--brand-soft);border:1px solid rgba(23,198,232,.28);
}
.ref-pill .dot{width:6px;height:6px;border-radius:999px;background:var(--brand);box-shadow:0 0 10px rgba(23,198,232,.9);}
.tag{
  display:inline-flex;align-items:center;font-size:12px;padding:6px 12px;border-radius:999px;
  color:var(--text-muted);background:rgba(255,255,255,.04);border:1px solid var(--stroke-glass);
}
.tag:hover{color:var(--brand);border-color:rgba(23,198,232,.42);background:var(--brand-soft);}

/* 卡片 */
.card{
  background:rgba(10,21,38,.72);
  border:1px solid var(--stroke-glass);
  border-radius:var(--radius-m);
  box-shadow:0 24px 60px -30px rgba(0,10,30,.9);
  transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(23,198,232,.45);box-shadow:0 30px 70px -32px rgba(0,10,30,1);}
.rec-card .thumb{overflow:hidden;border-radius:12px;position:relative;}
.rec-card .thumb img{transition:transform .45s var(--ease);}
.rec-card:hover .thumb img{transform:scale(1.04);}
.rec-card .arrow{transition:transform .25s var(--ease);}
.rec-card:hover .arrow{transform:translateX(4px);color:var(--brand);}

/* 正文排版 */
.prose-cn{font-size:17px;line-height:1.95;color:var(--text);}
.prose-cn > * + *{margin-top:1.35em;}
.prose-cn p{color:#D6E3F2;margin:0;}
.prose-cn h2{
  font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;letter-spacing:-.3px;
  margin:2.3em 0 0;padding-left:14px;border-left:3px solid var(--brand);color:var(--text);
}
.prose-cn h3{font-size:19px;line-height:1.5;font-weight:600;margin:1.9em 0 0;color:var(--text);}
.prose-cn h4{font-size:17px;font-weight:600;margin:1.6em 0 0;color:#CBDCEE;}
.prose-cn a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.prose-cn a:hover{color:#7FE3F5;}
.prose-cn ul,.prose-cn ol{margin:0;padding-left:1.4em;}
.prose-cn li{margin:.5em 0;color:#D6E3F2;}
.prose-cn ul li{list-style:disc;}
.prose-cn ol li{list-style:decimal;}
.prose-cn li::marker{color:var(--brand);}
.prose-cn blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid rgba(23,198,232,.55);
  background:rgba(23,198,232,.07);border-radius:0 14px 14px 0;color:#C6D7EA;
}
.prose-cn blockquote p{color:#C6D7EA;}
.prose-cn img{
  width:100%;border-radius:var(--radius-m);border:1px solid var(--stroke-glass);
  margin:1.7em 0 .7em;
}
.prose-cn figcaption,.prose-cn .caption{
  font-size:13px;color:var(--text-dim);text-align:center;margin-top:.2em;
}
.prose-cn .table-wrap{overflow-x:auto;border:1px solid var(--stroke-glass);border-radius:14px;}
.prose-cn table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.prose-cn th,.prose-cn td{border-bottom:1px solid rgba(140,190,255,.12);padding:11px 16px;text-align:left;}
.prose-cn th{background:rgba(23,198,232,.08);color:#BFE9F5;font-weight:600;}
.prose-cn tr:last-child td{border-bottom:none;}
.prose-cn code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:rgba(255,255,255,.07);color:#8FE7FA;padding:2px 6px;border-radius:6px;
}
.prose-cn pre{
  background:#08121F;border:1px solid rgba(140,190,255,.14);border-radius:14px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.prose-cn pre code{background:transparent;padding:0;color:#BFE9F5;}
.prose-cn hr{border:none;border-top:1px solid rgba(140,190,255,.14);margin:2.4em 0;}

/* 目录 */
.toc-link{
  display:block;font-size:13.5px;color:var(--text-muted);line-height:1.6;
  padding:5px 10px;border-left:2px solid rgba(140,190,255,.16);border-radius:0 8px 8px 0;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.toc-link.on{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}

/* 页脚 */
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;}
.footer-link{font-size:14px;color:var(--text-muted);padding-block:5px;}
.footer-link:hover{color:var(--brand);}

/* 抽屉 */
.drawer{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.drawer.open{max-height:520px;}

/* 动效 */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
.reveal{animation:fadeUp .7s var(--ease) both;}
.d1{animation-delay:.06s;}.d2{animation-delay:.12s;}.d3{animation-delay:.18s;}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}
@media (max-width:640px){
  .container-x{padding-inline:18px;}
  .prose-cn{font-size:16.5px;line-height:1.9;}
  .channel-strip{gap:24px;}
}

/* roulang page: category1 */
:root{
  --bg-base:#060B14;
  --bg-deep:#0A1526;
  --surface-glass:rgba(255,255,255,.045);
  --stroke-glass:rgba(140,190,255,.16);
  --brand:#17C6E8;
  --brand-deep:#0B6E8F;
  --brand-soft:rgba(23,198,232,.12);
  --accent:#FFB43C;
  --accent-deep:#C97A12;
  --violet:#7C6BFF;
  --text:#EAF3FF;
  --text-muted:#9DB0C7;
  --text-dim:#6B7F99;
  --success:#34D399;
  --warn:#FF7A6B;
  --r10:10px; --r16:16px; --r24:24px;
  --shadow-card:0 24px 60px -30px rgba(0,10,30,.9);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  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(900px 520px at 10% -8%, rgba(23,198,232,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(124,107,255,.12), transparent 64%),
    radial-gradient(720px 400px at 50% 104%, rgba(11,110,143,.20), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.55;
  background-image:
    linear-gradient(rgba(140,190,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,190,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
}
header,nav,main,footer{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(23,198,232,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#050A12}
::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px;border:2px solid #050A12}
::-webkit-scrollbar-thumb:hover{background:rgba(23,198,232,.45)}

.container-x{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px}
.glass{
  background:rgba(8,16,28,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.4px;
  color:var(--brand);
  background:var(--brand-soft);
  border:1px solid rgba(23,198,232,.28);
}
.section-tag::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 10px var(--brand);
}
h1,h2,h3{line-height:1.25;letter-spacing:-.4px;margin:0}
h1{font-size:clamp(28px,4.4vw,50px);font-weight:700;letter-spacing:-.5px;line-height:1.16}
h2{font-size:clamp(22px,2.6vw,34px);font-weight:700}
h3{font-size:19px;font-weight:600;letter-spacing:-.2px}
p{margin:0}

/* ---------- 倒计时通栏条 ---------- */
.count-bar{
  position:sticky;top:0;z-index:50;
  background:rgba(8,16,28,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke-glass);
}
.count-inner{
  height:92px;
  display:flex;flex-direction:column;justify-content:center;gap:8px;
}
@media (min-width:768px){
  .count-inner{height:58px;flex-direction:row;align-items:center;justify-content:space-between;gap:16px}
}
.count-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;color:var(--accent);
  background:rgba(255,180,60,.12);
  border:1px solid rgba(255,180,60,.3);
  white-space:nowrap;
}
.count-pill i{width:5px;height:5px;border-radius:50%;background:var(--accent);display:block}
.tcell{
  display:inline-grid;place-items:center;min-width:32px;height:28px;padding:0 6px;
  border-radius:8px;
  background:rgba(255,180,60,.1);
  border:1px solid rgba(255,180,60,.26);
  color:var(--accent);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  transition:transform .18s var(--ease);
}
.tcell.tick{transform:scale(.92)}
.tsep{color:rgba(255,180,60,.5);font-weight:700;font-size:13px}

/* ---------- 导航 ---------- */
.brand-bar{
  border-bottom:1px solid var(--stroke-glass);
  background:rgba(6,11,20,.6);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.logo-mark{
  display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,#17C6E8,#0B6E8F);
  color:#04121A;font-weight:800;font-size:15px;letter-spacing:-.5px;
  box-shadow:0 6px 20px -6px rgba(23,198,232,.7);
}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke-glass);
  color:var(--text-dim);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.search-box:hover{border-color:rgba(140,190,255,.32)}
.search-box:focus-within{border-color:var(--brand);background:rgba(23,198,232,.07)}
.search-box input{
  width:170px;background:transparent;border:0;outline:none;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-dim)}
.btn-icon{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke-glass);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.btn-icon:hover{border-color:rgba(140,190,255,.38);background:rgba(23,198,232,.08)}
.burger-line{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);margin:3px auto;transition:transform .22s var(--ease)}

.channel-strip{display:flex;align-items:center;gap:32px;overflow-x:auto;scrollbar-width:none}
.channel-strip::-webkit-scrollbar{display:none}
.fade-mask{position:relative;overflow:hidden}
.fade-mask::before,.fade-mask::after{
  content:"";position:absolute;top:0;bottom:0;width:26px;z-index:2;pointer-events:none;
}
.fade-mask::before{left:0;background:linear-gradient(90deg,rgba(6,11,20,.95),rgba(6,11,20,0))}
.fade-mask::after{right:0;background:linear-gradient(270deg,rgba(6,11,20,.95),rgba(6,11,20,0))}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:54px;
  font-size:15px;color:var(--text-muted);white-space:nowrap;
  transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

.drawer{
  max-height:0;overflow:hidden;
  background:rgba(8,16,28,.97);
  border-bottom:1px solid var(--stroke-glass);
  transition:max-height .3s var(--ease);
}
.drawer.open{max-height:460px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;font-size:15px;color:var(--text-muted);
  border-bottom:1px solid rgba(140,190,255,.08);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.drawer-link:hover{color:var(--brand);padding-left:8px}
.drawer-link.active{color:var(--brand);font-weight:600}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  background:linear-gradient(135deg,#FFC65C,#FFB43C 45%,#E09318);
  color:#2A1703;font-weight:700;font-size:15px;white-space:nowrap;
  box-shadow:0 8px 30px rgba(255,180,60,.28);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(255,180,60,.45)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  border:1px solid var(--stroke-glass);
  background:rgba(255,255,255,.03);
  color:var(--text);font-size:15px;font-weight:600;white-space:nowrap;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.btn-ghost:hover{border-color:rgba(140,190,255,.38);transform:translateY(-2px);background:rgba(23,198,232,.06)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--brand);
  background:var(--brand-soft);border:1px solid rgba(23,198,232,.3);
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-soft:hover{background:rgba(23,198,232,.2);border-color:rgba(23,198,232,.6);transform:translateY(-2px)}

/* ---------- Banner ---------- */
.banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--stroke-glass);
  background-image:
    linear-gradient(100deg, rgba(6,11,20,.95) 8%, rgba(6,11,20,.74) 52%, rgba(6,11,20,.92) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim)}
.crumb a:hover{color:var(--brand)}
.crumb span.dot{color:rgba(140,190,255,.35)}
.crumb .now{color:var(--text-muted)}

/* ---------- 通用卡片 ---------- */
.card-glass{
  background:var(--surface-glass);
  border:1px solid var(--stroke-glass);
  border-radius:var(--r16);
  padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.card-glass:hover{transform:translateY(-2px);border-color:rgba(23,198,232,.45);background:rgba(23,198,232,.05)}
.card-no{
  font-size:38px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px rgba(23,198,232,.6);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.media-frame{
  position:relative;overflow:hidden;border-radius:var(--r24);
  border:1px solid var(--stroke-glass);
  background:rgba(255,255,255,.03);
  box-shadow:var(--shadow-card);
  aspect-ratio:4/3;
}
.media-frame img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .55s var(--ease);
}
.media-frame:hover img{transform:scale(1.04)}
.media-frame::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:38%;
  background:linear-gradient(180deg,rgba(4,10,20,0),rgba(4,10,20,.72));
}
.media-cap{
  position:absolute;left:18px;bottom:14px;z-index:2;
  font-size:13px;color:#EAF3FF;letter-spacing:.2px;
}
.step-no{
  font-size:44px;font-weight:800;line-height:1;letter-spacing:-1.5px;
  color:transparent;-webkit-text-stroke:1.5px rgba(23,198,232,.5);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
  border-bottom:1px solid rgba(23,198,232,.35);
  padding-bottom:2px;
  transition:color .2s var(--ease),gap .2s var(--ease),border-color .2s var(--ease);
}
.link-arrow:hover{gap:10px;border-color:var(--brand);color:#5ee0f7}
.dot-list{list-style:none;padding:0;margin:0}
.dot-list li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:15px;color:var(--text-muted);
}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 8px rgba(23,198,232,.7);
}

/* ---------- FAQ ---------- */
.faq-item{
  border:1px solid var(--stroke-glass);
  border-left:3px solid transparent;
  border-radius:var(--r10);
  background:rgba(255,255,255,.035);
  overflow:hidden;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item:hover{border-color:rgba(140,190,255,.32)}
.faq-item.open{border-left-color:var(--brand);background:rgba(23,198,232,.06)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex:none;width:22px;height:22px;display:grid;place-items:center;
  border-radius:50%;border:1px solid rgba(140,190,255,.3);
  color:var(--brand);font-size:15px;line-height:1;
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--brand)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .26s var(--ease),opacity .26s var(--ease)}
.faq-item.open .faq-a{max-height:340px;opacity:1}
.faq-a-inner{
  padding:0 20px 20px 20px;
  font-size:15px;color:var(--text-muted);line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r24);
  border:1px solid rgba(23,198,232,.28);
  background:
    radial-gradient(600px 260px at 12% 0%, rgba(23,198,232,.18), transparent 65%),
    linear-gradient(140deg, rgba(10,21,38,.95), rgba(6,11,20,.9));
  padding:38px 26px;
  box-shadow:var(--shadow-card);
}
@media (min-width:768px){ .cta-band{padding:52px 48px} }

/* ---------- 页脚 ---------- */
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.3px}
.footer-link{
  display:inline-block;padding:5px 0;font-size:14px;color:var(--text-muted);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-link:hover{color:var(--brand);transform:translateX(3px)}

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

/* roulang page: category2 */
:root{
    --bg-base:#060B14;
    --bg-deep:#0A1526;
    --surface-glass:rgba(255,255,255,.045);
    --stroke-glass:rgba(140,190,255,.16);
    --brand:#17C6E8;
    --brand-deep:#0B6E8F;
    --brand-soft:rgba(23,198,232,.12);
    --accent:#FFB43C;
    --accent-deep:#C97A12;
    --violet:#7C6BFF;
    --text:#EAF3FF;
    --text-muted:#9DB0C7;
    --text-dim:#6B7F99;
    --ok:#34D399;
    --warn:#FF7A6B;
    --r10:10px; --r16:16px; --r24:24px; --r999:999px;
    --shadow-card:0 24px 60px -30px rgba(0,10,30,.9);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    position:relative;
    background:var(--bg-base);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
    background:
      radial-gradient(60% 45% at 12% 0%, rgba(23,198,232,.16), transparent 62%),
      radial-gradient(52% 46% at 92% 6%, rgba(124,107,255,.12), transparent 60%),
      radial-gradient(70% 50% at 50% 100%, rgba(11,110,143,.14), transparent 72%);
  }
  body::after{
    content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(140,190,255,.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(140,190,255,.045) 1px, transparent 1px);
    background-size:72px 72px;
    -webkit-mask-image:radial-gradient(70% 60% at 50% 18%, #000, transparent 86%);
    mask-image:radial-gradient(70% 60% at 50% 18%, #000, transparent 86%);
  }
  body > *{position:relative;z-index:1}

  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  hr{border:0}

  ::selection{background:rgba(23,198,232,.3);color:#fff}
  ::-webkit-scrollbar{width:10px;height:10px}
  ::-webkit-scrollbar-track{background:#050A12}
  ::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(23,198,232,.5),rgba(11,110,143,.6));border-radius:999px;border:2px solid #050A12}
  ::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,rgba(23,198,232,.75),rgba(11,110,143,.8))}

  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
    outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
  }

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

  .glass{
    background:var(--surface-glass);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
  }

  /* ---------- 导航 ---------- */
  .logo-mark{
    display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
    background:linear-gradient(135deg,#17C6E8,#0B6E8F);
    color:#04121A;font-weight:700;font-size:15px;letter-spacing:.02em;
    box-shadow:0 8px 24px -10px rgba(23,198,232,.8);
  }
  .fade-mask{position:relative;overflow:hidden}
  .fade-mask::before,.fade-mask::after{
    content:'';position:absolute;top:0;bottom:0;width:20px;pointer-events:none;z-index:1;
  }
  .fade-mask::before{left:0;background:linear-gradient(90deg,rgba(6,11,20,.85),transparent)}
  .fade-mask::after{right:0;background:linear-gradient(270deg,rgba(6,11,20,.85),transparent)}
  .channel-strip{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .channel-strip::-webkit-scrollbar{display:none}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:52px;
    font-size:15px;color:var(--text-muted);white-space:nowrap;
    transition:color .2s var(--ease);
  }
  .nav-link:hover{color:var(--text)}
  .nav-link.active{color:var(--brand);font-weight:600}
  .nav-link.active::after{
    content:'';position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--brand);box-shadow:0 0 12px rgba(23,198,232,.6);
  }
  #channelNav{top:58px}
  @media (max-width:767px){
    #channelNav{position:static}
  }
  .search-box{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;width:230px;
    border:1px solid var(--stroke-glass);border-radius:12px;background:rgba(255,255,255,.04);
    transition:border-color .2s,box-shadow .2s;
  }
  .search-box:focus-within{border-color:rgba(23,198,232,.55);box-shadow:0 0 0 3px rgba(23,198,232,.14)}
  .search-box input{width:100%;background:transparent;border:0;outline:none;font-size:14px}
  .search-box input::placeholder{color:var(--text-dim)}
  .burger{
    display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
    border:1px solid var(--stroke-glass);background:rgba(255,255,255,.04);transition:border-color .2s,background .2s;
  }
  .burger:hover{border-color:rgba(140,190,255,.4);background:rgba(255,255,255,.07)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r999);
    font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s,border-color .2s,color .2s;
  }
  .btn-primary{
    background:linear-gradient(135deg,#FFD07A,#FFB43C 55%,#C97A12);
    color:#231402;box-shadow:0 8px 30px rgba(255,180,60,.28);
  }
  .btn-primary:hover{box-shadow:0 14px 40px rgba(255,180,60,.45);transform:translateY(-2px)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 20px rgba(255,180,60,.32)}
  .btn-ghost{
    background:var(--surface-glass);border-color:var(--stroke-glass);color:var(--text);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  }
  .btn-ghost:hover{border-color:rgba(140,190,255,.38);background:rgba(255,255,255,.075);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{height:38px;padding:0 16px;font-size:14px}

  /* ---------- 文本层级 ---------- */
  .h1{font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.5px}
  .h2{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
  .h3{font-size:19px;line-height:1.45;font-weight:600}
  .lead{font-size:16px;line-height:1.9;color:var(--text-muted)}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;
    color:var(--brand);text-transform:uppercase;
  }
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

  /* ---------- 标签 / 徽章 ---------- */
  .pill{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
    border-radius:var(--r999);font-size:12px;font-weight:600;letter-spacing:.02em;
    white-space:nowrap;
  }
  .pill-brand{background:var(--brand-soft);color:var(--brand);border:1px solid rgba(23,198,232,.3)}
  .pill-accent{background:rgba(255,180,60,.14);color:var(--accent);border:1px solid rgba(255,180,60,.3)}
  .pill-violet{background:rgba(124,107,255,.16);color:#B3AAFF;border:1px solid rgba(124,107,255,.32)}
  .pill-plain{background:rgba(255,255,255,.05);color:var(--text-muted);border:1px solid var(--stroke-glass)}
  .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(23,198,232,.9)}
  .dot-accent{background:var(--accent);box-shadow:0 0 10px rgba(255,180,60,.9)}

  /* ---------- 卡片 ---------- */
  .card{
    background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
    border:1px solid var(--stroke-glass);border-radius:var(--r24);padding:24px;
    box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .card:hover{transform:translateY(-2px);border-color:rgba(23,198,232,.4)}
  .card-flat{box-shadow:none;background:rgba(255,255,255,.032)}

  /* ---------- 倒计时 ---------- */
  .cd-box{
    display:flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r999);
    border:1px solid rgba(255,180,60,.28);background:rgba(255,180,60,.08);
  }
  .cd-num{
    font-variant-numeric:tabular-nums;font-weight:700;font-size:16px;color:var(--accent);
    display:inline-block;min-width:24px;text-align:center;
  }
  .cd-num.tick{animation:tickPulse .26s var(--ease)}
  @keyframes tickPulse{from{transform:scale(.92);opacity:.55}to{transform:scale(1);opacity:1}}
  .cd-label{font-size:11px;color:var(--text-dim);margin-left:2px}
  .cd-sep{color:rgba(255,180,60,.5);font-weight:700}

  /* ---------- 时间轴 ---------- */
  .track{position:relative;margin-top:8px}
  .track::before{
    content:'';position:absolute;left:23px;top:14px;bottom:14px;width:2px;
    background:linear-gradient(180deg,rgba(23,198,232,.65),rgba(23,198,232,.22) 55%,rgba(23,198,232,.04));
  }
  .step{position:relative;padding-left:74px;padding-bottom:36px}
  .step:last-child{padding-bottom:0}
  .step-dot{
    position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
    display:grid;place-items:center;background:rgba(6,11,20,.92);
    border:1px solid rgba(23,198,232,.4);color:var(--brand);
    font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
    box-shadow:0 0 0 6px rgba(6,11,20,.85),0 10px 30px -14px rgba(23,198,232,.8);
    transition:border-color .24s var(--ease),transform .24s var(--ease);
  }
  .step:hover .step-dot{border-color:var(--brand);transform:scale(1.04)}
  .step-body{
    border:1px solid var(--stroke-glass);border-radius:var(--r16);
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.016));
    padding:20px 22px;transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  }
  .step:hover .step-body{border-color:rgba(23,198,232,.38);transform:translateX(4px);box-shadow:var(--shadow-card)}
  .step-body p{font-size:15px;line-height:1.9;color:var(--text-muted);margin-top:8px}
  .step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

  /* ---------- 标签云 ---------- */
  .tagcloud{display:flex;flex-wrap:wrap;gap:12px}
  .tag{
    display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r999);
    border:1px solid rgba(23,198,232,.26);background:var(--brand-soft);color:#9FE6F5;
    font-size:14px;transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s,color .2s;
  }
  .tag:hover{transform:translateY(-3px);border-color:rgba(23,198,232,.6);background:rgba(23,198,232,.2);color:#D6F6FE}
  .tag-lg{font-size:16px;padding:11px 20px}
  .tag-sm{font-size:13px;padding:7px 13px;border-color:var(--stroke-glass);background:rgba(255,255,255,.04);color:var(--text-muted)}
  .tag-accent{border-color:rgba(255,180,60,.32);background:rgba(255,180,60,.12);color:#FFD79A}
  .tag-accent:hover{border-color:rgba(255,180,60,.62);background:rgba(255,180,60,.2);color:#FFEBC7}
  .tag-violet{border-color:rgba(124,107,255,.34);background:rgba(124,107,255,.15);color:#C0B8FF}
  .tag-violet:hover{border-color:rgba(124,107,255,.62);background:rgba(124,107,255,.24);color:#DED9FF}

  /* ---------- 两栏对照 ---------- */
  .compare{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px){.compare{grid-template-columns:1fr 1fr;gap:24px}}
  .compare-col{
    border-radius:var(--r24);border:1px solid var(--stroke-glass);
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
    padding:26px 24px;box-shadow:var(--shadow-card);
  }
  .compare-col.is-ok{border-left:3px solid var(--ok)}
  .compare-col.is-no{border-left:3px solid var(--warn)}
  .compare-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(140,190,255,.14)}
  .compare-item:last-child{border-bottom:0;padding-bottom:0}
  .compare-item:first-of-type{padding-top:6px}
  .cmp-icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
    font-size:13px;font-weight:700;
  }
  .cmp-ok{background:rgba(52,211,153,.15);color:var(--ok);border:1px solid rgba(52,211,153,.32)}
  .cmp-no{background:rgba(255,122,107,.14);color:var(--warn);border:1px solid rgba(255,122,107,.32)}
  .compare-item strong{display:block;font-size:15px;font-weight:600;color:var(--text)}
  .compare-item span{display:block;font-size:14px;color:var(--text-muted);margin-top:4px;line-height:1.8}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{
    border:1px solid var(--stroke-glass);border-radius:var(--r16);overflow:hidden;
    background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.016));
    transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
  }
  .faq-item:hover{border-color:rgba(140,190,255,.34)}
  .faq-item.open{border-color:rgba(23,198,232,.45);box-shadow:0 20px 50px -30px rgba(23,198,232,.7)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
    box-shadow:inset 0 0 0 0 rgba(23,198,232,0);
    transition:box-shadow .26s var(--ease),color .2s;
  }
  .faq-item.open .faq-q{box-shadow:inset 3px 0 0 var(--brand);color:#fff}
  .faq-icon{
    flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;
    color:var(--brand);font-size:18px;line-height:1;
    transition:transform .26s var(--ease);
  }
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .26s var(--ease),opacity .26s var(--ease)}
  .faq-item.open .faq-a{max-height:340px;opacity:1}
  .faq-a-inner{padding:0 22px 20px 22px;font-size:15px;line-height:1.9;color:var(--text-muted)}

  /* ---------- 图卡 ---------- */
  .media-card{
    position:relative;overflow:hidden;border-radius:var(--r24);
    border:1px solid var(--stroke-glass);background:rgba(255,255,255,.03);
  }
  .media-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
  .media-card:hover img{transform:scale(1.04)}
  .media-shade{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,11,20,.15) 20%,rgba(6,11,20,.82) 100%);
  }

  /* ---------- 表单样式基础（内页复用） ---------- */
  .field{
    width:100%;height:48px;padding:0 14px;border-radius:12px;
    background:rgba(255,255,255,.04);border:1px solid var(--stroke-glass);
    color:var(--text);font-size:15px;outline:none;
    transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .field::placeholder{color:var(--text-dim)}
  .field:focus{border-color:rgba(23,198,232,.6);box-shadow:0 0 0 3px rgba(23,198,232,.15);background:rgba(255,255,255,.06)}

  /* ---------- 页脚 ---------- */
  .footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
  .footer-link{
    display:inline-block;padding:6px 0;font-size:14px;color:var(--text-muted);
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-link:hover{color:var(--brand);transform:translateX(2px)}
  .text-brand{color:var(--brand)}
  .text-muted{color:var(--text-muted)}
  .text-dim{color:var(--text-dim)}

  /* ---------- 区块 ---------- */
  .section{padding:64px 0}
  @media (min-width:768px){.section{padding:96px 0}}
  .section-head{max-width:760px;margin-bottom:40px}
  .divider{height:1px;background:linear-gradient(90deg,transparent,rgba(140,190,255,.22),transparent)}

  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .reveal.in{opacity:1;transform:none}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
    .reveal{opacity:1;transform:none}
  }

.reveal{opacity:1;transform:none}