/* roulang page: index */
:root{
  --brand-700:#0A7A6B;--brand-600:#0E9F8A;--brand-500:#16B79E;--brand-050:#E6F7F3;
  --accent-600:#C95B14;--accent-500:#F5883C;--accent-050:#FDF0E4;
  --ink-900:#0F1B1E;--ink-700:#2A3A3E;--ink-500:#5B6C70;--ink-300:#A8B4B6;
  --line:#E4E9E8;--bg:#F6F8F7;--surface:#FFFFFF;--deep:#0D1618;--mint-300:#55E3C4;
  --r-card:16px;--r-panel:20px;--r-btn:12px;--r-input:10px;
  --shadow-card:0 2px 8px rgba(15,27,30,.06),0 12px 32px -12px rgba(15,27,30,.14);
  --shadow-hover:0 4px 12px rgba(15,27,30,.08),0 20px 40px -16px rgba(15,27,30,.2);
  --f-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--f-sans);background:var(--bg);color:var(--ink-700);
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.01em;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container-x{max-width:1280px}}
.section{padding:88px 0}
.section--tight{padding:56px 0}
@media (max-width:900px){.section{padding:64px 0}.section--tight{padding:44px 0}}
.bg-surface{background:var(--surface)}
.bg-soft{background:var(--bg)}
.bg-tint{background:var(--brand-050)}
.bg-deep{background:var(--deep)}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:transparent}
.nav-shell{
  display:flex;align-items:center;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-panel);box-shadow:var(--shadow-card);padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;max-width:230px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  display:flex;align-items:center;justify-content:center;color:var(--surface);font-weight:700;font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text b{font-size:15px;color:var(--ink-900);font-weight:700;white-space:nowrap}
.brand-text span{font-size:11px;color:var(--ink-300);letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1}
.nav-links a{
  display:flex;align-items:center;gap:7px;padding:9px 13px;border-radius:var(--r-btn);
  font-size:14px;color:var(--ink-700);transition:background .18s ease,color .18s ease;
  border-bottom:2px solid transparent;
}
.nav-links a:hover{background:var(--brand-050);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-050);color:var(--brand-700);border-bottom-color:var(--brand-600)}
.nav-links svg{width:20px;height:20px;stroke-width:1.7}
.nav-cta{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-700);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-700)}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;margin-top:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--shadow-card);padding:14px}
.mobile-drawer.open{display:block}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-grid a{
  display:flex;flex-direction:column;gap:6px;padding:12px;border-radius:var(--r-card);
  border:1px solid var(--line);font-size:14px;color:var(--ink-700)
}
.drawer-grid a.active{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-700)}
.drawer-actions{margin-top:12px;display:flex;gap:10px}
@media (max-width:980px){
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
  .nav-toggle{display:flex}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
  cursor:pointer;border:1px solid transparent;text-align:center;
}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-accent{background:var(--accent-600);color:#FFFFFF;box-shadow:0 6px 18px -8px rgba(201,91,20,.7)}
.btn-accent:hover{background:#AE4C10;transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(201,91,20,.75)}
.btn-brand{background:var(--brand-700);color:#FFFFFF}
.btn-brand:hover{background:#075F54;transform:translateY(-1px)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#FFFFFF}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:var(--mint-300);color:var(--mint-300)}
.btn-sm{padding:9px 15px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12px;line-height:18px;background:var(--brand-050);color:var(--brand-700);font-weight:600;
}
.badge-accent{background:var(--accent-050);color:var(--accent-600)}
.badge-light{background:rgba(255,255,255,.14);color:var(--mint-300)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--deep);border-radius:0 0 28px 28px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,22,24,.94) 8%,rgba(13,22,24,.78) 48%,rgba(13,22,24,.55) 100%)}
.hero-inner{position:relative;z-index:2;padding:78px 0 84px;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.hero h1{color:#fff;font-size:44px;line-height:1.16}
.hero h1 em{display:block;font-style:normal;font-size:22px;font-weight:500;color:var(--mint-300);margin-top:12px;letter-spacing:.02em}
.hero-sub{margin-top:18px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;max-width:36em}
.hero-meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.7)}
.hero-meta strong{color:#fff;font-weight:600}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.signup-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-panel);padding:24px;color:#fff;
}
.signup-card h2{color:#fff;font-size:19px;margin-bottom:14px}
.signup-list{display:grid;gap:12px;margin-bottom:20px}
.signup-list li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px dashed rgba(255,255,255,.14);padding-bottom:10px;font-size:14px;color:rgba(255,255,255,.72)}
.signup-list li b{color:#fff;font-size:17px;font-weight:600}
.signup-list li:last-child{border-bottom:none;padding-bottom:0}
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;padding:52px 0 60px;gap:28px}
  .hero h1{font-size:30px}
  .hero h1 em{font-size:17px;margin-top:10px}
  .hero{border-radius:0 0 20px 20px}
}

/* 亮点条 */
.highlight-bar{
  display:grid;grid-template-columns:repeat(4,1fr);background:var(--brand-050);
  border-radius:var(--r-card);padding:8px;border:1px solid var(--line);
}
.highlight-bar .cell{padding:20px 18px;text-align:center;border-right:1px solid var(--line)}
.highlight-bar .cell:last-child{border-right:none}
.highlight-bar b{display:block;font-size:28px;color:var(--brand-700);font-weight:700;letter-spacing:.01em}
.highlight-bar span{font-size:14px;color:var(--ink-500)}
@media (max-width:768px){
  .highlight-bar{grid-template-columns:1fr 1fr}
  .highlight-bar .cell:nth-child(2){border-right:none}
  .highlight-bar .cell:nth-child(n+3){border-top:1px solid var(--line)}
}

/* 区块标题 */
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.head-row h2{font-size:28px}
.head-row p{margin-top:10px;color:var(--ink-500);font-size:15px;max-width:44em}
.head-row .link{color:var(--brand-700);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.head-row .link:hover{color:var(--brand-600)}
@media (max-width:768px){.head-row h2{font-size:22px}}

/* 议程时间线 */
.day-switch{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.day-switch a{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--ink-700);
}
.day-switch a.on{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}
.timeline{position:relative;margin-top:8px}
.tl-item{
  display:grid;grid-template-columns:92px 28px 1fr auto;gap:0 16px;align-items:start;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.tl-item::before{content:"";position:absolute;left:105px;top:0;bottom:0;width:2px;background:var(--brand-600);opacity:.22}
.timeline{position:relative}
.tl-time{
  display:inline-flex;justify-content:center;background:var(--brand-050);color:var(--brand-700);
  border-radius:999px;padding:5px 10px;font-size:14px;font-weight:600;width:92px;
}
.tl-dot{width:10px;height:10px;border-radius:50%;background:var(--brand-600);place-self:start center;margin-top:12px}
.tl-item.is-now .tl-dot{width:14px;height:14px;background:var(--accent-500);margin-top:10px}
.tl-body h3{font-size:20px}
.tl-body p{margin-top:8px;color:var(--ink-500);font-size:15px;max-width:52em}
.tl-body .badge{margin-top:12px}
.tl-meta{font-size:14px;color:var(--ink-300);white-space:nowrap;padding-top:4px}
@media (max-width:768px){
  .tl-item{grid-template-columns:1fr;gap:10px}
  .tl-item::before{display:none}
  .tl-dot{display:none}
  .tl-time{width:auto;justify-content:flex-start;padding:5px 14px}
  .tl-meta{padding-top:0}
}

/* 嘉宾 */
.guest-wrap{display:grid;grid-template-columns:5fr 7fr;gap:24px}
.guest-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.guest-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.guest-main img{width:100%;aspect-ratio:4/3}
.guest-main .txt{padding:20px}
.guest-main .txt h3{font-size:20px}
.guest-main .txt p{margin-top:8px;color:var(--ink-500);font-size:15px}
.guest-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.guest-card{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.guest-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-600)}
.guest-card img{width:56px;height:56px;border-radius:50%;flex:none}
.guest-card b{display:block;color:var(--ink-900);font-size:16px}
.guest-card span{display:block;font-size:13px;color:var(--brand-700);margin-top:2px}
.guest-card p{margin-top:6px;font-size:14px;color:var(--ink-500);line-height:1.7}
@media (max-width:900px){
  .guest-wrap{grid-template-columns:1fr}
  .guest-grid{grid-template-columns:1fr;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
  .guest-card{min-width:78%;scroll-snap-align:start}
}

/* 票种 */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.ticket{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.ticket:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.ticket h3{font-size:19px}
.ticket .price{margin-top:14px;font-size:36px;font-weight:700;color:var(--ink-900)}
.ticket .price small{font-size:14px;font-weight:500;color:var(--ink-300);margin-left:6px}
.ticket ul{margin:18px 0 22px;display:grid;gap:10px}
.ticket li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-500)}
.ticket li svg{width:18px;height:18px;flex:none;margin-top:4px}
.ticket li.yes svg{stroke:var(--brand-600)}
.ticket li.no{color:var(--ink-300)}
.ticket li.no svg{stroke:var(--ink-300)}
.ticket.featured{transform:translateY(-8px);border:2px solid var(--brand-600);position:relative}
.ticket.featured:hover{transform:translateY(-11px)}
.ticket.featured .ribbon{
  position:absolute;top:-13px;left:26px;background:var(--accent-600);color:#fff;font-size:12px;
  padding:4px 12px;border-radius:999px;font-weight:600;
}
.ticket .btn{width:100%}
.compare-row{
  margin-top:28px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;font-size:14px;overflow:hidden;
}
.compare-row div{padding:14px 18px;border-right:1px solid var(--line);color:var(--ink-500)}
.compare-row div:last-child{border-right:none}
.compare-row .th{background:var(--brand-050);color:var(--brand-700);font-weight:600}
@media (max-width:900px){
  .ticket-grid{grid-template-columns:1fr}
  .ticket.featured{transform:none}
  .ticket.featured:hover{transform:translateY(-3px)}
  .compare-row{display:none}
}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-card img{width:100%;aspect-ratio:16/9}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover h3{color:var(--brand-700)}
.news-card p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-300)}
.news-card .foot b{color:var(--brand-700);font-weight:600;font-size:13px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:var(--surface);
}
.empty-state svg{width:48px;height:48px;stroke:var(--ink-300);margin:0 auto 14px}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:16px}
@media (max-width:900px){.news-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr}}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap details{border-bottom:1px solid var(--line);padding:4px 0 4px 0;transition:padding .18s ease}
.faq-wrap summary{
  cursor:pointer;list-style:none;padding:18px 4px;font-size:16px;font-weight:600;color:var(--ink-900);
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-wrap summary::-webkit-details-marker{display:none}
.faq-wrap summary::after{
  content:"+";font-size:20px;color:var(--brand-600);font-weight:400;line-height:1;transition:transform .2s ease;
}
.faq-wrap details[open] summary::after{content:"−";}
.faq-wrap details[open]{border-left:3px solid var(--brand-600);padding-left:16px}
.faq-wrap details p{font-size:15px;color:var(--ink-500);line-height:1.85;padding:0 4px 20px}

/* CTA 表单 */
.cta-band{
  background:var(--deep);border-radius:28px;padding:56px 48px;
  display:grid;grid-template-columns:5fr 7fr;gap:44px;
}
.cta-band h2{color:#fff;font-size:28px}
.cta-band .lead{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px}
.cta-band .deadline{
  margin-top:22px;display:inline-flex;align-items:center;gap:8px;background:var(--accent-050);
  color:var(--accent-600);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;
}
.cta-list{margin-top:26px;display:grid;gap:12px}
.cta-list li{color:rgba(255,255,255,.72);font-size:14.5px;display:flex;gap:10px}
.cta-list li svg{width:18px;height:18px;stroke:var(--mint-300);flex:none;margin-top:4px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:rgba(255,255,255,.66)}
.field input,.field select,.field textarea{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-input);
  padding:12px 14px;color:#fff;font-size:15px;transition:border-color .18s ease,background .18s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mint-300);background:rgba(255,255,255,.09);
}
.field select option{color:#0F1B1E}
.field-full{grid-column:1/-1}
.check-row{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(255,255,255,.66)}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500)}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}
.form-actions .hint{font-size:13px;color:rgba(255,255,255,.5)}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:36px 22px;border-radius:20px;gap:28px}
  .form-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:22px}
}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-grid p{font-size:14px;line-height:1.85}
.footer-grid ul{display:grid;gap:10px;font-size:14px}
.footer-grid a{color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-grid a:hover{color:var(--mint-300)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--brand-600),var(--brand-700))}
.footer-brand b{color:#fff;font-size:16px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* roulang page: article */
:root{
  --brand-700:#0A7A6B;
  --brand-600:#0E9F8A;
  --brand-500:#16B79E;
  --brand-050:#E6F7F3;
  --accent-600:#C95B14;
  --accent-500:#F5883C;
  --accent-050:#FDF0E4;
  --ink-900:#0F1B1E;
  --ink-700:#2A3A3E;
  --ink-500:#5B6C70;
  --ink-300:#A8B4B6;
  --line:#E4E9E8;
  --bg:#F6F8F7;
  --surface:#FFFFFF;
  --deep:#0D1618;
  --mint-300:#55E3C4;
  --shadow-card:0 2px 8px rgba(15,27,30,.06),0 12px 32px -12px rgba(15,27,30,.14);
  --shadow-hover:0 4px 12px rgba(15,27,30,.08),0 20px 40px -16px rgba(15,27,30,.2);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em;line-height:1.35;color:var(--ink-900)}
p{margin:0}
ul,ol{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

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

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:var(--bg)}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-card);padding:10px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;max-width:220px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;font-weight:700;color:var(--ink-900)}
.brand-text span{font-size:12px;color:var(--ink-300)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:12px;font-size:14px;color:var(--ink-700);
  transition:background .2s,color .2s;
}
.nav-links a svg{width:20px;height:20px;stroke-width:1.7;flex-shrink:0}
.nav-links a:hover{background:var(--brand-050);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-050);color:var(--brand-700);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-600);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink-900)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-btn);font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn-sm{padding:9px 15px}
.btn-accent{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-card)}
.btn-accent:hover{background:#B04E0F;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--shadow-card)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn-ghost:active{transform:translateY(0)}
.btn-mint{background:var(--mint-300);color:var(--ink-900)}
.btn-mint:hover{background:#3FD3B1;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.24);color:#fff}
.btn-outline-light:hover{border-color:var(--mint-300);color:var(--mint-300);transform:translateY(-1px)}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- breadcrumb ---------- */
.crumbs{padding:26px 0 4px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;font-size:14px;color:var(--ink-500)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:var(--ink-300)}
.crumbs a{color:var(--ink-500);transition:color .2s}
.crumbs a:hover{color:var(--brand-700)}
.crumb-title{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-500)}

/* ---------- article ---------- */
.article-wrap{padding-top:20px}
.article-header{max-width:820px;margin:0 auto}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:18px;padding:4px 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-700);font-weight:600;
}
.badge-time{background:var(--accent-050);color:var(--accent-600)}
.article-title{font-size:34px;line-height:1.42;margin:16px 0 18px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:14px;color:var(--ink-500);font-variant-numeric:tabular-nums;
  border-top:1px solid var(--line);padding-top:14px;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-300)}
.cover{max-width:820px;margin:26px auto 0}
.cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-card)}
.cover figcaption{font-size:13px;color:var(--ink-300);text-align:center;margin-top:12px}

.article-body{max-width:760px;margin:44px auto 0;font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 1.25em}
.article-body h2{font-size:28px;line-height:1.4;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand-600);color:var(--ink-900)}
.article-body h3{font-size:20px;line-height:1.5;margin:32px 0 12px;color:var(--ink-900)}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--ink-900)}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.25em;line-height:1.8}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--brand-050);
  border-left:4px solid var(--brand-600);border-radius:0 12px 12px 0;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);margin:24px 0}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-600)}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;font-size:15px;margin:24px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-050);color:var(--brand-700);font-weight:600}
.article-body pre{background:var(--ink-900);color:#DDF3EE;border-radius:12px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-state{text-align:center;padding:60px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface)}
.empty-state svg{width:48px;height:48px;color:var(--ink-300);margin:0 auto 14px}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:20px}

.article-tags{
  max-width:760px;margin:40px auto 0;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;
}
.tag{
  display:inline-flex;padding:6px 14px;border-radius:999px;background:var(--brand-050);
  color:var(--brand-700);font-size:13px;transition:background .2s,color .2s;
}
.tag:hover{background:var(--brand-600);color:#fff}
.back-link{
  max-width:760px;margin:26px auto 0;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.back-link:hover{color:var(--brand-600)}
.back-link-wrap{max-width:760px;margin:0 auto}

/* ---------- sections ---------- */
.section{padding:80px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:28px}
.section-head p{font-size:14px;color:var(--ink-500);margin-top:6px}
.section-link{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.section-link:hover{color:var(--brand-600)}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;list-style:none;padding:0}
.card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);transition:transform .22s,box-shadow .22s;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--brand-050)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:600;line-height:1.6;transition:color .2s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--brand-700)}
.card-desc{font-size:14px;color:var(--ink-500);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-300);font-variant-numeric:tabular-nums}

/* ---------- cta panel ---------- */
.cta-panel{
  background:var(--deep);border-radius:var(--r-panel);padding:48px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);margin-top:96px;padding:64px 0 0;color:rgba(255,255,255,.78)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:16px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;display:grid;gap:10px}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s}
.site-footer a:hover{color:var(--mint-300)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums;
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:center;color:var(--ink-700);
  opacity:0;pointer-events:none;transform:translateY(8px);cursor:pointer;z-index:50;
  transition:opacity .25s,transform .25s,color .2s,border-color .2s;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{color:var(--brand-700);border-color:var(--brand-600)}
.to-top svg{width:20px;height:20px;stroke-width:1.8}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-shell{flex-wrap:wrap;gap:10px}
  .nav-links{
    display:none;width:100%;order:3;grid-template-columns:1fr 1fr;gap:8px;
    padding-top:10px;border-top:1px solid var(--line);
  }
  .nav-links.open{display:grid}
  .nav-links a{justify-content:flex-start;padding:10px 12px;background:var(--bg)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .article-title{font-size:28px}
  .article-body{font-size:16px;margin-top:32px}
  .article-body h2{font-size:23px;margin-top:34px}
  .article-body h3{font-size:18px}
  .section{padding:56px 0 0}
  .section-head h2{font-size:22px}
  .cta-panel{padding:32px 24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:22px}
  .cover{margin-top:20px}
}
@media (max-width:640px){
  .container-x{padding:0 20px}
  .grid-3{grid-template-columns:1fr}
  .article-title{font-size:26px}
  .brand-text span{display:none}
  .crumb-title{max-width:160px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:48px}
}

/* roulang page: category1 */
:root{
  --brand-700:#0A7A6B;
  --brand-600:#0E9F8A;
  --brand-500:#16B79E;
  --brand-050:#E6F7F3;
  --accent-700:#AD4E10;
  --accent-600:#C95B14;
  --accent-500:#F5883C;
  --accent-050:#FDF0E4;
  --ink-900:#0F1B1E;
  --ink-700:#2A3A3E;
  --ink-500:#5B6C70;
  --ink-300:#A8B4B6;
  --line:#E4E9E8;
  --bg:#F6F8F7;
  --surface:#FFFFFF;
  --deep:#0D1618;
  --mint-300:#55E3C4;
  --shadow-card:0 2px 8px rgba(15,27,30,.06),0 12px 32px -12px rgba(15,27,30,.14);
  --shadow-hover:0 4px 12px rgba(15,27,30,.08),0 20px 40px -16px rgba(15,27,30,.2);
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink-700);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;letter-spacing:.01em;margin:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}
.section{padding:84px 0}
.section-tight{padding:64px 0}
.bg-surface{background:var(--surface)}
.bg-brand{background:var(--brand-050)}
.bg-deep{background:var(--deep)}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;line-height:1.4;
  color:var(--brand-700);background:var(--brand-050);
  border-radius:999px;padding:6px 14px;
}
.sec-title{font-size:28px;line-height:1.38;margin-top:16px}
.sec-sub{color:var(--ink-500);margin-top:12px;font-size:16px;max-width:660px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-600);gap:10px;transition:gap .2s}
.link-more svg{width:16px;height:16px}

/* ---------- 导航 ---------- */
.nav-wrap{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.nav-shell{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-card);
  padding:10px 12px 10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;max-width:230px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:15px;color:var(--ink-900);font-weight:700;white-space:nowrap}
.brand-text span{font-size:12px;color:var(--ink-500);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:12px;
  font-size:14px;font-weight:500;color:var(--ink-700);
  transition:background .18s,color .18s,box-shadow .18s;
}
.nav-links a svg{width:18px;height:18px;stroke-width:1.8;flex:0 0 18px}
.nav-links a:hover{background:var(--brand-050);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-050);color:var(--brand-700);box-shadow:inset 0 -2px 0 var(--brand-600)}
.nav-links a:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:12px;background:var(--surface);position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--ink-700);
  border-radius:2px;transform:translateX(-50%);content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-accent{background:var(--accent-600);color:#fff;box-shadow:0 2px 8px rgba(201,91,20,.2)}
.btn-accent:hover{background:var(--accent-700);transform:translateY(-1px);box-shadow:0 6px 16px rgba(201,91,20,.26)}
.btn-brand{background:var(--brand-700);color:#fff}
.btn-brand:hover{background:var(--brand-600);transform:translateY(-1px);box-shadow:0 6px 16px rgba(10,122,107,.24)}
.btn-ghost{background:transparent;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--surface);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost-light:hover{border-color:var(--mint-300);color:var(--mint-300)}
.btn-sm{padding:9px 15px;font-size:13px}
.btn-lg{padding:13px 26px;font-size:15px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(100deg,rgba(246,248,247,.97) 0%,rgba(246,248,247,.9) 46%,rgba(246,248,247,.62) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.page-banner .inner{padding:62px 0 58px;max-width:780px}
.page-banner h1{font-size:38px;line-height:1.3;margin-top:16px}
.page-banner .lead{margin-top:16px;font-size:17px;line-height:1.85;color:var(--ink-700);max-width:640px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.5;font-weight:600;
  border-radius:999px;padding:6px 13px;white-space:nowrap;
}
.chip-brand{background:var(--brand-050);color:var(--brand-700)}
.chip-accent{background:var(--accent-050);color:var(--accent-600)}
.chip-invert{background:rgba(255,255,255,.08);color:var(--mint-300);border:1px solid rgba(255,255,255,.14)}

/* ---------- 数据条 ---------- */
.stats-strip{
  background:var(--brand-050);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.stat-cell{padding:26px 22px;border-left:1px solid rgba(15,27,30,.08)}
.stat-cell:first-child{border-left:none}
.stat-num{font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.2}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px}
.stat-txt{margin-top:8px;font-size:14px;color:var(--ink-500)}

/* ---------- 通道卡片 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.channel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s,box-shadow .2s,border-color .2s;
  display:flex;flex-direction:column;
}
.channel:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-600)}
.channel .ic{
  width:42px;height:42px;border-radius:12px;background:var(--brand-050);
  display:grid;place-items:center;color:var(--brand-700);
}
.channel .ic svg{width:22px;height:22px;stroke-width:1.8}
.channel h3{font-size:19px;margin-top:16px}
.channel p{font-size:14px;color:var(--ink-500);margin-top:10px}
.channel ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.channel ul li{font-size:14px;color:var(--ink-700);display:flex;gap:8px;align-items:flex-start}
.channel ul li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600);
  margin-top:9px;flex:0 0 6px;
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;position:relative;
}
.step .num{
  width:36px;height:36px;border-radius:11px;background:var(--brand-050);color:var(--brand-700);
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.step h3{font-size:17px;margin-top:16px}
.step p{font-size:14px;color:var(--ink-500);margin-top:10px}
.step .tag{font-size:12px;color:var(--accent-600);background:var(--accent-050);border-radius:999px;padding:4px 10px;display:inline-block;margin-top:14px}

/* ---------- 场次卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.card-media{position:relative;aspect-ratio:16/9;background:var(--brand-050);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1 1 auto;gap:12px}
.card-body h3{font-size:18px;line-height:1.5;transition:color .2s}
.card:hover .card-body h3{color:var(--brand-700)}
.card-body .desc{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--line);
}
.card-foot .time{font-size:13px;color:var(--ink-500)}
.card-foot .arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-700);transition:background .2s,border-color .2s}
.card:hover .card-foot .arrow{background:var(--brand-050);border-color:var(--brand-600)}
.card-foot .arrow svg{width:15px;height:15px;stroke-width:2}
.pager{display:flex;gap:8px;justify-content:center;margin-top:36px}
.pager a,.pager span{
  min-width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:14px;color:var(--ink-700);background:var(--surface);
  transition:background .18s,color .18s,border-color .18s;
}
.pager a:hover{border-color:var(--brand-600);color:var(--brand-700)}
.pager .current{background:var(--brand-600);color:#fff;border-color:var(--brand-600);font-weight:600}

/* ---------- 席位对照 ---------- */
.seat-table{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.seat-row{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;align-items:center}
.seat-row + .seat-row{border-top:1px solid var(--line)}
.seat-row > div{padding:18px 22px;font-size:14px}
.seat-row.head{background:var(--brand-050)}
.seat-row.head > div{font-size:13px;font-weight:600;color:var(--brand-700)}
.seat-row .name{font-weight:600;color:var(--ink-900);font-size:15px}
.seat-row .name span{display:block;font-size:13px;color:var(--ink-500);font-weight:400;margin-top:4px}
.tick{color:var(--brand-700);font-weight:600}
.cross{color:var(--ink-300)}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{border-bottom:1px solid var(--line);position:relative}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 16px;position:relative;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
  transition:color .2s;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"";position:absolute;right:10px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--ink-500);border-bottom:2px solid var(--ink-500);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s;
}
.faq-list details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq-list details[open] summary{color:var(--brand-700)}
.faq-list summary:hover{color:var(--brand-700)}
.faq-list summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px;border-radius:8px}
.faq-list details[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand-600);border-radius:3px;
}
.faq-list .answer{padding:0 34px 22px 16px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* ---------- CTA 深色带 ---------- */
.cta-panel{
  background:var(--deep);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-panel);padding:48px 44px;
  display:grid;grid-template-columns:1fr 1.15fr;gap:48px;
}
.cta-panel h2{color:#fff;font-size:28px;line-height:1.4}
.cta-panel .cta-lead{color:rgba(255,255,255,.72);font-size:16px;margin-top:16px;max-width:380px}
.cta-deadline{
  margin-top:26px;display:inline-flex;align-items:center;gap:10px;
  border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:12px 16px;
  color:var(--mint-300);font-size:14px;font-weight:600;
}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{color:rgba(255,255,255,.72);font-size:14px;display:flex;gap:10px;align-items:flex-start}
.cta-points li svg{width:18px;height:18px;stroke-width:2;color:var(--mint-300);flex:0 0 18px;margin-top:3px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:rgba(255,255,255,.66)}
.field input,.field select,.field textarea{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  border-radius:10px;padding:11px 14px;font-size:15px;color:#fff;
  transition:border-color .2s,box-shadow .2s;width:100%;
}
.field textarea{resize:vertical;min-height:84px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mint-300);box-shadow:0 0 0 3px rgba(85,227,196,.16);
}
.field select option{color:var(--ink-900);background:#fff}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.66)}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand-500);flex:0 0 16px}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-note{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
.form-msg{
  margin-top:14px;font-size:13px;color:var(--mint-300);display:none;
  background:rgba(85,227,196,.08);border:1px solid rgba(85,227,196,.24);
  border-radius:10px;padding:10px 14px;
}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:16px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul li{font-size:14px}
.site-footer a{color:rgba(255,255,255,.72);transition:color .18s}
.site-footer a:hover{color:var(--mint-300)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .channel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;gap:34px;padding:40px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .section{padding:60px 0}
  .section-tight{padding:48px 0}
  .page-banner .inner{padding:46px 0 42px}
  .page-banner h1{font-size:29px}
  .page-banner .lead{font-size:16px}
  .sec-title{font-size:22px}
  .nav-wrap{padding:12px 0}
  .nav-shell{flex-wrap:wrap;row-gap:10px}
  .nav-links{
    order:3;width:100%;display:none;grid-template-columns:1fr 1fr;gap:8px;
    padding-top:10px;margin-top:2px;border-top:1px solid var(--line);
  }
  .nav-shell.open .nav-links{display:grid}
  .nav-links a{justify-content:flex-start;background:var(--bg);padding:11px 12px}
  .nav-cta{margin-left:auto}
  .nav-toggle{display:block}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(3){border-left:none}
  .stat-cell:nth-child(n+3){border-top:1px solid rgba(15,27,30,.08)}
  .seat-row{grid-template-columns:1fr 1fr;row-gap:2px}
  .seat-row.head{display:none}
}
@media (max-width:640px){
  .container-x{padding:0 20px}
  .card-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-links{grid-template-columns:1fr}
  .nav-cta .btn-ghost{display:none}
  .brand-text span{display:none}
  .cta-panel{padding:32px 22px}
  .cta-panel h2{font-size:22px}
  .stat-num{font-size:22px}
  .seat-row > div{padding:14px 16px}
}

/* roulang page: category2 */
:root{
  --brand-700:#0A7A6B;
  --brand-600:#0E9F8A;
  --brand-500:#16B79E;
  --brand-050:#E6F7F3;
  --accent-600:#C95B14;
  --accent-500:#F5883C;
  --accent-050:#FDF0E4;
  --ink-900:#0F1B1E;
  --ink-700:#2A3A3E;
  --ink-500:#5B6C70;
  --ink-300:#A8B4B6;
  --line:#E4E9E8;
  --bg:#F6F8F7;
  --surface:#FFFFFF;
  --deep:#0D1618;
  --mint-300:#55E3C4;
  --radius-card:16px;
  --radius-panel:20px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-card:0 2px 8px rgba(15,27,30,.06),0 12px 32px -12px rgba(15,27,30,.14);
  --shadow-hover:0 4px 12px rgba(15,27,30,.08),0 20px 40px -16px rgba(15,27,30,.2);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink-700);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.01em;line-height:1.35}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
svg{width:20px;height:20px;stroke-width:1.75;flex:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
@media (max-width:640px){.container-x{padding:0 20px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);padding:12px 0}
.nav-shell{
  position:relative;
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-card);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;max-width:220px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-700));
  color:#fff;font-weight:700;font-size:17px;
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text b{font-size:15px;color:var(--ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{font-size:11px;color:var(--ink-300);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;margin-left:6px}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-500);
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-050);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-050);color:var(--brand-700);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--brand-600);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:8px;flex:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  place-items:center;padding:0;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:background .18s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink-700);transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-shell.open .nav-toggle span{background:transparent}
.nav-shell.open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav-shell.open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:12px 20px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:none;box-shadow:none}
.btn-accent{background:var(--accent-600);color:#fff;box-shadow:0 6px 16px -8px rgba(201,91,20,.6)}
.btn-accent:hover{background:#AE4D10;transform:translateY(-1px);box-shadow:var(--shadow-hover);color:#fff}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:#085F54;transform:translateY(-1px);box-shadow:var(--shadow-hover);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-700)}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-050);color:var(--brand-700)}
.btn-outline-accent{background:transparent;border-color:var(--accent-600);color:var(--accent-600)}
.btn-outline-accent:hover{background:var(--accent-050);transform:translateY(-1px)}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;line-height:18px;font-weight:600;
  background:var(--brand-050);color:var(--brand-700);
}
.badge-accent{background:var(--accent-050);color:var(--accent-600)}

/* ---------- 首屏横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--deep)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,22,24,.92) 0%,rgba(13,22,24,.78) 46%,rgba(13,22,24,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;color:#fff}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--mint-300)}
.breadcrumb .sep{color:rgba(255,255,255,.34)}
.breadcrumb .current{color:rgba(255,255,255,.92)}
.page-hero h1{
  color:#fff;font-size:40px;line-height:1.28;margin:16px 0 14px;max-width:760px;
}
.hero-brand{font-size:15px;color:var(--mint-300);font-weight:600;letter-spacing:.02em}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:26px;font-size:14px;color:rgba(255,255,255,.76)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta svg{width:18px;height:18px;color:var(--mint-300)}

/* ---------- 通用区块 ---------- */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:32px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-700);margin-bottom:10px}
.section-title{font-size:28px;line-height:1.4}
.section-desc{font-size:15px;color:var(--ink-500);max-width:640px;margin-top:10px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:var(--brand-600)}
.link-more svg{width:16px;height:16px}

/* ---------- 指标条 ---------- */
.stats-bar{background:var(--brand-050);border-radius:var(--radius-card);padding:6px 8px}
.stats-bar ul{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-bar li{padding:18px 22px;border-right:1px solid rgba(10,122,107,.16)}
.stats-bar li:last-child{border-right:none}
.stat-num{font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.3}
.stat-label{font-size:14px;color:var(--ink-500)}

/* ---------- 主内容布局 ---------- */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}
.side-col{position:sticky;top:104px;display:flex;flex-direction:column;gap:16px}
.anchor-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-card)}
.side-title{font-size:14px;font-weight:700;color:var(--ink-900);margin-bottom:10px}
.anchor-card ul li a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-500);
  transition:background .18s ease,color .18s ease;
}
.anchor-card ul li a:hover{background:var(--brand-050);color:var(--brand-700)}
.anchor-card ul li a.is-current{background:var(--brand-050);color:var(--brand-700);font-weight:600}
.anchor-card ul li a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink-300);flex:none}
.anchor-card ul li a:hover::before,.anchor-card ul li a.is-current::before{background:var(--brand-600)}
.signup-mini{background:var(--surface);border:1px solid rgba(201,91,20,.45);border-radius:var(--radius-card);padding:18px}
.signup-mini .mini-title{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.signup-mini p{font-size:13px;color:var(--ink-500);line-height:1.7}
.signup-mini .mini-note{font-size:12px;color:var(--accent-600);font-weight:600;margin:10px 0 12px}

/* ---------- 条目列表 ---------- */
.entry-list{border-top:1px solid var(--line)}
.entry{border-bottom:1px solid var(--line)}
.entry > a{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px;
  padding:26px 0;align-items:start;
}
.entry figure{margin:0;overflow:hidden;border-radius:12px;background:var(--brand-050)}
.entry img{width:200px;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.entry > a:hover img{transform:scale(1.04)}
.entry h3{font-size:20px;line-height:1.4;margin:10px 0 8px;transition:color .18s ease}
.entry > a:hover h3{color:var(--brand-700)}
.entry .entry-desc{font-size:15px;color:var(--ink-500);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry .entry-meta{display:flex;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:var(--ink-300)}
.entry .entry-arrow{margin-left:auto;color:var(--brand-600);font-weight:600;display:inline-flex;align-items:center;gap:4px;font-size:13px}
.entry > a:hover .entry-arrow{color:var(--accent-600)}

/* ---------- 版本节奏时间线 ---------- */
.timeline{position:relative;margin:0;padding-left:26px;border-left:2px solid var(--brand-600)}
.timeline li{position:relative;padding-bottom:28px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-33px;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand-600);
}
.timeline li.is-key::before{background:var(--accent-500);border-color:var(--accent-500);width:14px;height:14px;left:-35px;top:7px}
.tl-row{display:grid;grid-template-columns:92px minmax(0,1fr) auto;gap:16px;align-items:start}
.time-chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:92px;padding:4px 10px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-700);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.tl-title{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5}
.tl-desc{font-size:14px;color:var(--ink-500);margin-top:6px}
.tl-tag{font-size:13px;color:var(--ink-300);white-space:nowrap;padding-top:4px}

/* ---------- 精选解读 ---------- */
.feature-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start}
.feature-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.feature-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-main .fm-body{padding:20px}
.feature-main h3{font-size:20px;margin:10px 0 10px;line-height:1.45}
.feature-main p{font-size:14px;color:var(--ink-500)}
.feature-list{display:flex;flex-direction:column}
.feature-list li{border-bottom:1px solid var(--line)}
.feature-list li:first-child{border-top:1px solid var(--line)}
.feature-list a{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding:20px 0;align-items:start}
.fl-index{font-size:15px;font-weight:700;color:var(--brand-600)}
.feature-list h4{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;transition:color .18s ease}
.feature-list a:hover h4{color:var(--brand-700)}
.feature-list p{font-size:14px;color:var(--ink-500);margin-top:6px}
.fl-meta{font-size:13px;color:var(--ink-300);margin-top:8px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item[open]{border-left:3px solid var(--brand-600);padding-left:16px}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--brand-600);font-weight:600;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item .faq-answer{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--ink-500);max-width:720px}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--deep);color:rgba(255,255,255,.78);padding:72px 0}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.cta-band h2{color:#fff;font-size:28px;line-height:1.4;margin-bottom:14px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.74);line-height:1.8;max-width:440px}
.cta-deadline{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  padding:8px 14px;border-radius:999px;
  background:rgba(245,136,60,.14);border:1px solid rgba(245,136,60,.5);
  color:var(--accent-500);font-size:14px;font-weight:600;
}
.cta-facts{margin-top:22px;display:grid;gap:10px}
.cta-facts li{font-size:14px;color:rgba(255,255,255,.68);display:flex;gap:10px;align-items:flex-start}
.cta-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint-300);margin-top:9px;flex:none}
.form-panel{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-panel);padding:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:13px;color:rgba(255,255,255,.7)}
.form-field input,.form-field select,.form-field textarea{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-input);
  padding:11px 12px;font-size:14px;color:#fff;
  transition:border-color .18s ease,background .18s ease;
  width:100%;
}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(255,255,255,.36)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--mint-300);background:rgba(255,255,255,.1);
}
.form-field select option{color:#111}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px}
.form-foot .privacy{font-size:12px;color:rgba(255,255,255,.5);line-height:1.6;max-width:260px}
.check-line{grid-column:1 / -1;display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.66)}
.check-line input{width:16px;height:16px;margin-top:5px;accent-color:var(--brand-500)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:16px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.site-footer ul li{margin-bottom:10px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.72);transition:color .18s ease}
.site-footer a:hover{color:var(--mint-300)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .side-col{
    position:static;flex-direction:row;gap:12px;
    overflow-x:auto;padding-bottom:6px;margin-bottom:8px;
    scrollbar-width:none;
  }
  .side-col::-webkit-scrollbar{display:none}
  .anchor-card{flex:none;min-width:max-content;padding:12px 14px;box-shadow:none}
  .anchor-card .side-title{display:none}
  .anchor-card ul{display:flex;gap:8px}
  .anchor-card ul li a{white-space:nowrap;background:var(--surface);border:1px solid var(--line);padding:8px 14px}
  .anchor-card ul li a::before{display:none}
  .signup-mini{display:none}
  .feature-grid{grid-template-columns:minmax(0,1fr)}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .nav-links{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    grid-template-columns:1fr 1fr;gap:8px;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-panel);box-shadow:var(--shadow-hover);
    padding:14px;margin-left:0;
  }
  .nav-shell.open .nav-links{display:grid}
  .nav-links a{padding:12px;background:var(--bg);justify-content:flex-start}
  .nav-links a.active::after{left:12px;right:auto;width:24px}
  .nav-cta .btn-ghost{display:none}
  .page-hero h1{font-size:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .section-title{font-size:22px}
  .page-hero h1{font-size:28px;line-height:1.35}
  .hero-inner{padding-top:40px;padding-bottom:40px}
  .stats-bar ul{grid-template-columns:repeat(2,1fr)}
  .stats-bar li{border-right:none;border-bottom:1px solid rgba(10,122,107,.16);padding:16px}
  .stats-bar li:nth-child(2n){border-right:none}
  .stats-bar li:nth-last-child(-n+2){border-bottom:none}
  .tl-row{grid-template-columns:minmax(0,1fr);gap:8px}
  .tl-tag{padding-top:0}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:23px}
}
@media (max-width:640px){
  .nav-links{grid-template-columns:1fr 1fr}
  .entry > a{grid-template-columns:minmax(0,1fr);gap:14px}
  .entry img{width:100%;aspect-ratio:16/9}
  .brand-text span{display:none}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 22px}
  .btn{padding:11px 16px;font-size:14px}
}