/* roulang page: index */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --danger:#D8452A;
  --success:#2E7D4F;
  --warn:#B8860B;
  --r-card:12px;
  --r-btn:6px;
  --nav-w:220px;
  --maxw:1120px;
  --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;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(15,17,16,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:var(--ink)}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--ink);
  color:var(--paper);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:30px 18px 24px;
  z-index:80;
  transition:width .22s var(--ease),padding .22s var(--ease);
}
.brand{display:block;margin-bottom:38px;text-align:left}
.brand-main{display:block;font-size:21px;font-weight:800;letter-spacing:.03em;color:#fff;line-height:1.25}
.brand-sub{display:block;margin-top:5px;font-size:10px;letter-spacing:.28em;color:var(--accent)}
.nav-list{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-item{
  position:relative;display:flex;align-items:center;
  height:44px;padding:0 12px;border-radius:6px;
  font-size:15px;font-weight:500;
  color:rgba(244,242,236,.72);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:0;height:16px;border-radius:2px;
  background:var(--accent);
  transition:width .2s var(--ease);
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-item:hover::before{width:3px}
.nav-item.active{color:var(--accent)}
.nav-item.active::before{width:3px}
.side-foot{margin-top:auto;padding-top:22px}
.side-cta{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;
  transition:filter .18s var(--ease),transform .18s var(--ease);
}
.side-cta:hover{filter:brightness(.94)}
.side-cta:active{transform:translateY(1px)}
.side-cta .arrow{transition:transform .18s var(--ease)}
.side-cta:hover .arrow{transform:translateX(3px)}
.side-contact{margin-top:14px;font-size:12px;line-height:1.7;color:rgba(244,242,236,.5)}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{display:none}
.drawer{
  position:fixed;inset:0;z-index:95;
  background:var(--paper);
  padding:84px 24px 32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.drawer.open{opacity:1;visibility:visible;transform:none}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.drawer-list a{
  font-size:18px;font-weight:600;color:var(--ink);
  padding:14px 0;border-bottom:1px solid var(--line);
}
.drawer-list a.active{color:var(--ink);box-shadow:inset 3px 0 0 var(--accent);padding-left:14px}

/* ---------- 主体 ---------- */
.main{margin-left:var(--nav-w)}
.section{padding:96px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.sec-title{
  font-size:clamp(26px,3vw,40px);line-height:1.2;font-weight:700;
  color:var(--ink);letter-spacing:-.01em;
}
.sec-num{
  display:block;font-size:13px;font-weight:600;letter-spacing:.18em;
  color:var(--grey);margin-bottom:10px;font-variant-numeric:tabular-nums;
}
.sec-desc{margin-top:14px;max-width:640px;font-size:16px;color:var(--grey);line-height:1.85}
.link-line{
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.link-line:hover{border-bottom-color:var(--accent);border-bottom-width:2px}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:#b9e83f}
.btn-primary:active{transform:translateY(1px)}
.btn-primary .arrow{transition:transform .18s var(--ease)}
.btn-primary:hover .arrow{transform:translateX(3px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:999px;border:1px solid var(--accent);
  font-size:11px;letter-spacing:.08em;color:var(--ink);background:transparent;
  white-space:nowrap;
}
.chip-dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- 首屏 ---------- */
.hero{padding:76px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;color:var(--grey)}
.hero-eyebrow::before{content:"";width:22px;height:1px;background:var(--grey)}
.hero-h1{margin-top:18px;color:var(--ink)}
.h1-k{display:block;font-size:clamp(36px,4.6vw,62px);line-height:1.06;font-weight:800;letter-spacing:-.02em}
.h1-t{display:block;margin-top:14px;font-size:clamp(19px,2.1vw,27px);line-height:1.35;font-weight:600;color:var(--body)}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:var(--grey);max-width:520px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:13px;letter-spacing:.04em;color:var(--body);font-variant-numeric:tabular-nums}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats dt{font-size:30px;font-weight:800;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.hero-stats dd{margin:8px 0 0;font-size:13px;color:var(--grey);letter-spacing:.04em}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink);aspect-ratio:4/3}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-bar{
  position:absolute;left:14px;right:14px;bottom:14px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(15,17,16,.86);
  color:var(--paper);border-radius:8px;padding:12px 16px;
  font-size:13px;letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.hero-bar strong{color:var(--accent);font-weight:700}

/* ---------- 议程时间线 ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.day-tab{
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--card);
  font-size:14px;font-weight:600;color:var(--grey);cursor:pointer;
  transition:all .18s var(--ease);
}
.day-tab:hover{border-color:var(--ink);color:var(--ink)}
.day-tab.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.day-panel{display:none}
.day-panel.active{display:block}
.timeline{display:flex;flex-direction:column}
.tl-item{display:grid;grid-template-columns:82px 34px 1fr;align-items:stretch;padding-bottom:14px}
.tl-time{padding-top:20px;font-size:14px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-axis{position:relative}
.tl-axis::after{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line);transform:translateX(-50%)}
.tl-item:last-child .tl-axis::after{display:none}
.tl-dot{
  position:absolute;left:50%;top:26px;transform:translateX(-50%);
  width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:1px solid var(--grey);z-index:2;
}
.tl-item.now .tl-dot{width:14px;height:14px;top:23px;background:var(--accent);border-color:var(--accent)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(15,17,16,.28);border-color:#d6d2c6}
.tl-card h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4}
.tl-speaker{margin-top:8px;font-size:14px;color:var(--grey)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- 嘉宾与亮点 ---------- */
.guest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guest-card{background:transparent}
.guest-photo{aspect-ratio:4/5;border-radius:var(--r-card);overflow:hidden;background:var(--ink)}
.guest-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter .3s var(--ease),transform .3s var(--ease)}
.guest-card:hover .guest-photo img{filter:none;transform:scale(1.03)}
.guest-name{margin-top:14px;font-size:18px;font-weight:600;color:var(--ink)}
.guest-role{margin-top:4px;font-size:13px;color:var(--grey);letter-spacing:.03em}
.guest-sess{margin-top:12px}
.highlights{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:60px}
.hl-col:last-child{padding-top:34px}
.hl-item{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--line)}
.hl-num{font-size:34px;font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hl-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.4}
.hl-body p{margin-top:8px;font-size:14px;color:var(--grey);line-height:1.8}

/* ---------- 票种对比 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.ticket{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.ticket:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(15,17,16,.28)}
.ticket.featured{border-color:var(--ink)}
.ticket.featured::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent)}
.ticket-flag{position:absolute;top:18px;right:18px}
.ticket-name{font-size:18px;font-weight:700;color:var(--ink)}
.ticket-note{margin-top:6px;font-size:13px;color:var(--grey)}
.ticket-price{margin-top:22px;font-size:40px;font-weight:800;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.ticket-price span{font-size:14px;font-weight:600;color:var(--grey);margin-left:6px;letter-spacing:0}
.ticket-list{display:flex;flex-direction:column;gap:12px;margin:26px 0 30px;font-size:14px;line-height:1.6}
.ticket-list li{position:relative;padding-left:22px;color:var(--body)}
.ticket-list li::before{
  content:"";position:absolute;left:0;top:6px;width:11px;height:11px;
  background:var(--accent);border-radius:3px;
}
.ticket .btn{margin-top:auto}

/* ---------- 报名 CTA ---------- */
.signup-wrap{background:var(--ink);border-radius:var(--r-card);padding:56px;color:var(--paper)}
.signup-grid{display:grid;grid-template-columns:1.42fr .68fr;gap:56px}
.signup h2{font-size:clamp(26px,3vw,38px);line-height:1.2;font-weight:700;color:#fff}
.signup .sec-num{color:rgba(200,247,81,.75)}
.signup-lead{margin-top:14px;font-size:15px;color:rgba(244,242,236,.66);max-width:520px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:500;margin-bottom:8px;color:rgba(244,242,236,.82)}
.field .req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-left:6px;vertical-align:middle}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
  color:#fff;font-size:15px;font-family:inherit;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(244,242,236,.34)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,247,81,.18)}
.field.error input,.field.error textarea{border-color:var(--danger)}
.field .err-msg{display:none;margin-top:6px;font-size:12px;color:#F0917C}
.field.error .err-msg{display:block}
.ticket-choose{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.choose-card{
  position:relative;display:flex;flex-direction:column;gap:4px;
  padding:14px 16px;border-radius:8px;cursor:pointer;
  border:1px solid rgba(255,255,255,.2);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.choose-card:hover{border-color:rgba(200,247,81,.6)}
.choose-card input{position:absolute;opacity:0;width:1px;height:1px}
.choose-card strong{font-size:14px;font-weight:600;color:#fff}
.choose-card em{font-style:normal;font-size:13px;color:rgba(244,242,236,.58);font-variant-numeric:tabular-nums}
.choose-card input:checked ~ strong{color:var(--accent)}
.choose-card:has(input:checked){border-color:var(--accent);background:rgba(200,247,81,.08)}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(244,242,236,.62);line-height:1.6;margin-top:4px}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:var(--accent)}
.form-note{margin-top:16px;font-size:12px;color:rgba(244,242,236,.42)}
.signup-aside{border-left:1px solid rgba(255,255,255,.12);padding-left:36px}
.signup-aside h3{font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.06em}
.signup-aside ul{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.signup-aside li{position:relative;padding-left:18px;font-size:14px;color:rgba(244,242,236,.7);line-height:1.7}
.signup-aside li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:1px;background:rgba(200,247,81,.8)}
.aside-contact{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;line-height:2;color:rgba(244,242,236,.6)}
.aside-contact strong{display:block;color:#fff;font-size:14px;margin-bottom:6px}

/* ---------- 最新信息 ---------- */
.news-feature{
  display:grid;grid-template-columns:1.06fr .94fr;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(15,17,16,.28)}
.news-feature-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ink)}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:36px 34px;display:flex;flex-direction:column;justify-content:center}
.news-feature-body h3{margin-top:14px;font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--ink);line-height:1.4}
.news-feature-body p{margin-top:14px;font-size:14px;color:var(--grey);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:18px;margin-top:22px;font-size:13px;color:var(--grey);font-variant-numeric:tabular-nums}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:0 18px 40px -24px rgba(15,17,16,.28);border-color:#d6d2c6}
.news-card h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px}
.news-card p{margin-top:12px;font-size:14px;color:var(--grey);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .news-meta{margin-top:auto;padding-top:20px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;color:var(--grey);font-size:15px;
  background:rgba(255,255,255,.4);
}
.empty-state .empty-icon{font-size:26px;color:var(--grey);display:block;margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:24px 4px;background:none;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;line-height:1.5;
  transition:color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-q:hover{box-shadow:inset 3px 0 0 var(--accent);padding-left:14px}
.faq-q .plus{flex:0 0 auto;font-size:20px;font-weight:400;color:var(--grey);transition:transform .22s var(--ease),color .22s var(--ease)}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{margin:0 0 22px;font-size:15px;line-height:1.85;color:var(--body);max-width:780px;padding-left:4px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,242,236,.66);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.03em}
.footer-brand-sub{display:block;margin-top:5px;font-size:10px;letter-spacing:.28em;color:var(--accent)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(244,242,236,.55);max-width:280px}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.14em;color:rgba(244,242,236,.5);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(244,242,236,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(244,242,236,.6)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,236,.42);
}

/* ---------- 断点 ---------- */
@media (min-width:1280px) and (max-width:1439px){
  :root{--nav-w:200px}
}
@media (min-width:1024px) and (max-width:1279px){
  :root{--nav-w:88px}
  .sidenav{padding:26px 12px 22px;align-items:center}
  .brand{text-align:center;margin-bottom:30px}
  .brand-main{font-size:16px}
  .brand-sub{font-size:9px;letter-spacing:.2em}
  .nav-list{width:100%}
  .nav-item{justify-content:center;padding:0;font-size:0}
  .nav-item .nav-label{display:none}
  .nav-item::after{content:attr(data-mark);font-size:13px;font-weight:600;letter-spacing:.02em}
  .side-cta{width:48px;padding:0;justify-content:center}
  .side-cta .cta-text{display:none}
  .side-contact{display:none}
}
@media (max-width:1023px){
  .sidenav{display:none}
  .main{margin-left:0;padding-top:60px}
  .topbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:90;
    align-items:center;justify-content:space-between;padding:0 18px;
    background:rgba(244,242,236,.97);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .topbar-brand{display:flex;flex-direction:column;line-height:1.1}
  .topbar-brand b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.02em}
  .topbar-brand i{font-style:normal;font-size:9px;letter-spacing:.26em;color:var(--grey);margin-top:3px}
  .nav-toggle{
    width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
    background:none;border:0;cursor:pointer;
  }
  .nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero{padding:48px 0 60px}
  .signup-grid{grid-template-columns:1fr;gap:36px}
  .signup-aside{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding-left:0;padding-top:28px}
  .signup-wrap{padding:40px 30px}
  .hl-col:last-child{padding-top:0}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/10}
  .guest-grid{grid-template-columns:repeat(2,1fr)}
  .highlights{grid-template-columns:1fr;gap:0}
  .ticket-grid{grid-template-columns:1fr}
  .news-feature{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding:0 18px}
  .sec-head{margin-bottom:28px}
  .hero-stats{gap:26px}
  .hero-stats dt{font-size:26px}
  .tl-item{grid-template-columns:64px 24px 1fr}
  .tl-card{padding:16px 18px}
  .news-grid{grid-template-columns:1fr}
  .news-feature-body{padding:24px 20px}
  .signup-wrap{padding:32px 20px}
  .form-grid{grid-template-columns:1fr}
  .ticket-choose{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{font-size:15px;padding:20px 4px}
  .guest-grid{grid-template-columns:1fr}
  .hero-bar{font-size:12px;padding:10px 12px}
  .btn{height:46px;padding:0 20px;font-size:14px}
}
@media (max-width:520px){
  .h1-k{font-size:32px}
  .h1-t{font-size:17px}
  .hero-actions .btn{width:100%}
  .ticket-price{font-size:34px}
  .hl-item{grid-template-columns:56px 1fr;gap:14px}
  .hl-num{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --ink-3:#242725;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --error:#D8452A;
  --success:#2E7D4F;
  --warn:#B8860B;
  --radius-card:12px;
  --radius-btn:6px;
  --shadow-hover:0 18px 40px -24px rgba(15,17,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:220px;
  --maxw:1240px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter",-apple-system,BlinkMacSystemFont,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--paper);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(rgba(15,17,16,.045) 1px,transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent);color:var(--ink);}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.page-shell{
  min-height:100vh;
  padding-left:var(--nav-w);
}
.main-area{
  width:100%;
  overflow-x:hidden;
}

/* ---------- side nav ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--nav-w);
  height:100vh;
  background:var(--ink);
  color:var(--paper);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  padding:28px 20px 24px;
  z-index:60;
}
.brand{
  display:block;
  padding:4px 6px 0;
  margin-bottom:32px;
}
.brand-main{
  display:block;
  font-size:22px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--paper);
  line-height:1.15;
}
.brand-sub{
  display:block;
  margin-top:6px;
  font-size:10px;
  letter-spacing:.28em;
  color:rgba(244,242,236,.56);
  font-family:var(--font-num);
}
.nav-list{
  display:flex;
  flex-direction:column;
  gap:2px;
  flex:1;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 10px 0 16px;
  font-size:15px;
  font-weight:500;
  color:rgba(244,242,236,.72);
  border-radius:4px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:0;
  height:16px;
  background:var(--accent);
  border-radius:2px;
  transition:width .22s var(--ease);
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.04);}
.nav-item:hover::before{width:3px;}
.nav-item.active{color:var(--accent);}
.nav-item.active::before{width:3px;}
.nav-mark{
  display:none;
  font-size:16px;
  font-weight:700;
  font-family:var(--font-num);
}
.nav-bottom{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
}
.btn-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  width:100%;
  height:46px;
  padding:0 16px;
  background:var(--accent);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  border:0;
  border-radius:var(--radius-btn);
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.btn-nav:hover{filter:brightness(.94);}
.btn-nav:hover .arrow{transform:translateX(3px);}
.btn-nav:active{transform:translateY(1px);}
.arrow{transition:transform .2s var(--ease);display:inline-block;}
.nav-contact{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:rgba(244,242,236,.44);
  font-family:var(--font-num);
}
.nav-contact a{color:rgba(244,242,236,.6);}
.nav-contact a:hover{color:var(--accent);}

/* ---------- mobile header ---------- */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:70;
  height:60px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
}
.mobile-brand{display:flex;align-items:baseline;gap:6px;}
.mobile-brand .m-main{font-size:18px;font-weight:800;letter-spacing:.04em;color:var(--ink);}
.mobile-brand .m-sub{font-size:10px;letter-spacing:.22em;color:var(--grey);font-family:var(--font-num);}
.burger{
  width:44px;height:44px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  background:transparent;border:0;
}
.burger span{
  display:block;width:22px;height:2px;background:var(--ink);
  border-radius:2px;transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;inset:0;
  background:var(--paper);
  z-index:65;
  padding:82px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-8px);
  opacity:0;pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.drawer.open{opacity:1;pointer-events:auto;transform:translateY(0);}
.drawer .nav-list{gap:0;flex:0;}
.drawer .nav-item{
  color:var(--ink);font-size:18px;font-weight:600;
  min-height:56px;border-bottom:1px solid var(--line);
  border-radius:0;padding-left:0;
}
.drawer .nav-item:hover{background:transparent;color:var(--ink);}
.drawer .nav-item.active{color:var(--ink);}
.drawer .nav-item.active::after{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-left:auto;
}
.drawer .nav-item::before{display:none;}
.drawer-cta{margin-top:auto;padding-top:28px;}
.drawer-cta .btn-nav{height:52px;justify-content:center;}
body.locked{overflow:hidden;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--paper);
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.22;
  filter:grayscale(1) contrast(1.05);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,17,16,.94) 0%,rgba(15,17,16,.78) 52%,rgba(15,17,16,.52) 100%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:96px 0 80px;
}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(244,242,236,.5);
  margin-bottom:26px;
  font-family:var(--font-num);
}
.crumb a{color:rgba(244,242,236,.7);}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{opacity:.4;}
.crumb .now{color:var(--paper);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 14px;
  border:1px solid rgba(200,247,81,.55);
  border-radius:999px;
  font-size:11px;letter-spacing:.12em;
  color:var(--accent);
  font-family:var(--font-num);
  margin-bottom:22px;
}
.page-hero h1{
  font-size:clamp(34px,4.4vw,62px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:900px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--accent);
}
.hero-lead{
  margin-top:22px;
  max-width:620px;
  font-size:16px;
  line-height:1.85;
  color:rgba(244,242,236,.74);
}
.hero-meta-row{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.12);
  max-width:760px;
}
.hero-meta-item{min-width:120px;}
.hero-meta-item dt{
  font-size:11px;letter-spacing:.14em;
  color:rgba(244,242,236,.42);
  text-transform:uppercase;
  font-family:var(--font-num);
}
.hero-meta-item dd{
  margin:6px 0 0;
  font-size:16px;font-weight:600;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
}
.hero-meta-item dd.num{font-family:var(--font-num);}

/* ---------- sections ---------- */
.section{padding:92px 0;}
.section.tight{padding:64px 0;}
.section.paper-alt{background:rgba(255,255,255,.42);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.sec-head-left{max-width:720px;}
.sec-no{
  display:block;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--grey);
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.sec-head h2{
  position:relative;
  font-size:clamp(25px,2.8vw,40px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  padding-left:18px;
}
.sec-head h2::before{
  content:"";
  position:absolute;left:0;top:8px;bottom:8px;
  width:3px;background:var(--accent);border-radius:2px;
}
.sec-desc{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--grey);
  max-width:640px;
}
.sec-link{
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.sec-link:hover{border-bottom:2px solid var(--accent);}

/* ---------- filter chips ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:40px;
}
.chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:999px;
  font-size:13px;font-weight:600;
  color:var(--body);
  transition:all .2s var(--ease);
  font-variant-numeric:tabular-nums;
}
.chip:hover{border-color:var(--ink);transform:translateY(-1px);}
.chip.active{
  background:var(--ink);color:var(--paper);border-color:var(--ink);
}
.chip.active .chip-dot{background:var(--accent);}
.chip-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--grey);margin-right:8px;
}

/* ---------- timeline ---------- */
.day-block{
  margin-bottom:64px;
}
.day-block:last-child{margin-bottom:0;}
.day-head{
  display:flex;align-items:center;gap:16px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
  flex-wrap:wrap;
}
.day-num{
  font-family:var(--font-num);
  font-size:34px;font-weight:700;
  line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.day-label{
  font-size:15px;font-weight:600;color:var(--ink);
}
.day-sub{
  font-size:13px;color:var(--grey);font-family:var(--font-num);
}
.day-badge{
  margin-left:auto;
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  border-radius:999px;
  font-size:11px;letter-spacing:.08em;
  background:var(--ink);color:var(--paper);
}
.timeline{
  position:relative;
  padding-left:0;
}
.tl-item{
  display:grid;
  grid-template-columns:120px 24px 1fr;
  gap:0;
  position:relative;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.tl-item:last-child{border-bottom:0;}
.tl-time{
  font-family:var(--font-num);
  font-size:15px;font-weight:600;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.tl-time small{
  display:block;
  font-size:11px;
  color:var(--grey);
  letter-spacing:.08em;
  font-weight:400;
  margin-top:4px;
}
.tl-rail{
  position:relative;
  display:flex;justify-content:center;
}
.tl-rail::before{
  content:"";
  position:absolute;top:0;bottom:-45px;left:50%;
  width:1px;background:var(--line);
  transform:translateX(-50%);
}
.tl-item:last-child .tl-rail::before{display:none;}
.tl-dot{
  position:relative;z-index:2;
  width:8px;height:8px;border-radius:50%;
  background:var(--card);
  border:1px solid var(--grey);
  margin-top:8px;
  transition:all .22s var(--ease);
}
.tl-item.now .tl-dot{
  width:12px;height:12px;
  background:var(--accent);
  border-color:var(--accent);
  margin-top:6px;
  box-shadow:0 0 0 4px rgba(200,247,81,.22);
}
.tl-body{padding-left:8px;}
.tl-title{
  font-size:18px;font-weight:600;color:var(--ink);
  line-height:1.5;
}
.tl-meta{
  margin-top:6px;
  font-size:14px;color:var(--grey);
  line-height:1.7;
}
.tl-tags{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:12px;
}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:11px;letter-spacing:.06em;
  border:1px solid rgba(15,17,16,.18);
  color:var(--ink);
  background:transparent;
}
.tag.solid{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.tag.lime{border-color:rgba(200,247,81,.9);background:rgba(200,247,81,.16);}
.tl-item:hover{background:rgba(200,247,81,.10);}

/* ---------- info cards ---------- */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:#D7D3C7;
}
.card h3{
  font-size:19px;font-weight:600;color:var(--ink);
  line-height:1.45;
}
.card p{
  margin-top:10px;
  font-size:15px;line-height:1.8;color:var(--grey);
}
.card-top{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:16px;
}
.card-icon{
  width:40px;height:40px;border-radius:8px;
  background:var(--ink);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.04em;
}

/* ---------- rules list ---------- */
.rule-list{
  border-top:1px solid var(--line);
}
.rule-row{
  display:grid;
  grid-template-columns:64px 200px 1fr;
  gap:20px;
  align-items:start;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.rule-idx{
  font-family:var(--font-num);
  font-size:13px;font-weight:600;
  color:var(--grey);
  letter-spacing:.08em;
  padding-top:2px;
}
.rule-name{
  font-size:17px;font-weight:600;color:var(--ink);
}
.rule-text{
  font-size:15px;line-height:1.8;color:var(--grey);
}

/* ---------- image feature ---------- */
.feature{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
}
.feature-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink);
  aspect-ratio:16/11;
}
.feature-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
  filter:grayscale(.35);
}
.feature-media:hover img{transform:scale(1.03);filter:grayscale(0);}
.feature-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(15,17,16,.86);
  color:var(--paper);
  border:1px solid rgba(255,255,255,.16);
  border-radius:6px;
  padding:10px 14px;
  font-size:12px;letter-spacing:.06em;
  font-family:var(--font-num);
  backdrop-filter:blur(4px);
}
.feature-body h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;line-height:1.25;
  color:var(--ink);
}
.feature-body p{
  margin-top:16px;
  font-size:16px;line-height:1.9;color:var(--body);
}
.feature-points{
  margin-top:26px;
  display:flex;flex-direction:column;gap:0;
}
.fp-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;
  border-top:1px solid var(--line);
}
.fp-num{
  font-family:var(--font-num);
  font-size:12px;font-weight:700;
  color:var(--ink);
  background:var(--accent);
  border-radius:4px;
  padding:2px 7px;
  margin-top:3px;
}
.fp-text{font-size:15px;line-height:1.75;color:var(--body);}

/* ---------- stats ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{
  padding:34px 26px;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(30px,3.4vw,44px);
  font-weight:700;
  color:var(--ink);
  line-height:1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-num span{font-size:15px;font-weight:600;margin-left:4px;color:var(--grey);}
.stat-label{
  margin-top:12px;
  font-size:13px;color:var(--grey);
  letter-spacing:.04em;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;
  min-height:64px;
  padding:14px 4px 14px 0;
  background:transparent;border:0;
  text-align:left;
  font-size:16px;font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--ink);}
.faq-q .q-mark{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform .24s var(--ease);
}
.faq-q .q-mark::before,
.faq-q .q-mark::after{
  content:"";position:absolute;top:50%;left:50%;
  background:var(--ink);border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq-q .q-mark::before{width:14px;height:2px;}
.faq-q .q-mark::after{width:2px;height:14px;transition:opacity .2s var(--ease);}
.faq-item.open .q-mark{transform:rotate(45deg);}
.faq-item.open .q-mark::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 40px 22px 0;
  font-size:15px;line-height:1.85;color:var(--grey);
}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,247,81,.14),transparent 70%);
}
.cta-inner{
  position:relative;z-index:2;
  padding:76px 0;
  display:grid;
  grid-template-columns:1fr auto;
  gap:40px;
  align-items:center;
}
.cta-inner h2{
  font-size:clamp(24px,2.8vw,36px);
  font-weight:700;line-height:1.3;
  letter-spacing:-.01em;
}
.cta-inner p{
  margin-top:12px;
  font-size:15px;color:rgba(244,242,236,.66);
  max-width:560px;
  line-height:1.8;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  font-size:14px;font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:var(--ink);
}
.btn-primary:hover{filter:brightness(.94);}
.btn-primary:hover .arrow{transform:translateX(3px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--ink);border-color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light-ghost{
  background:transparent;color:var(--paper);
  border-color:rgba(244,242,236,.34);
}
.btn-light-ghost:hover{border-color:var(--paper);background:rgba(255,255,255,.06);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand-main{
  font-size:20px;font-weight:800;
  letter-spacing:.06em;color:var(--paper);
}
.footer-brand-sub{
  display:inline-block;
  margin-left:6px;
  font-size:10px;letter-spacing:.22em;
  color:rgba(244,242,236,.5);
  font-family:var(--font-num);
}
.footer-desc{
  margin-top:16px;
  font-size:14px;line-height:1.8;
  color:rgba(244,242,236,.56);
  max-width:280px;
}
.footer-col h4{
  font-size:13px;font-weight:600;
  letter-spacing:.1em;
  color:rgba(244,242,236,.42);
  margin-bottom:18px;
  font-family:var(--font-num);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a,
.footer-col li{
  font-size:14px;color:rgba(244,242,236,.76);
  line-height:1.7;
  transition:color .2s var(--ease);
}
.footer-col li a:hover{color:var(--accent);}
.footer-col p{
  font-size:14px;line-height:1.9;
  color:rgba(244,242,236,.62);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(244,242,236,.42);
  font-family:var(--font-num);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  :root{--nav-w:200px;}
}
@media (max-width:1279px){
  :root{--nav-w:88px;}
  .side-nav{padding:24px 12px;align-items:center;}
  .brand{padding:0;margin-bottom:26px;text-align:center;}
  .brand-main{font-size:15px;letter-spacing:0;}
  .brand-sub{font-size:8px;letter-spacing:.12em;margin-top:4px;}
  .nav-item{
    justify-content:center;
    padding:0;
    font-size:0;
  }
  .nav-mark{display:block;font-size:15px;}
  .nav-label{display:none;}
  .nav-bottom{width:100%;}
  .btn-nav{justify-content:center;padding:0;font-size:0;}
  .btn-nav .btn-nav-text{display:none;}
  .nav-contact{display:none;}
}
@media (max-width:1023px){
  :root{--nav-w:0px;}
  .page-shell{padding-left:0;}
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .page-hero-inner{padding:64px 0 56px;}
  .section{padding:64px 0;}
  .section.tight{padding:52px 0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .feature{grid-template-columns:1fr;gap:32px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{border-bottom:1px solid var(--line);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:56px 0;}
  .rule-row{grid-template-columns:48px 1fr;gap:8px 16px;}
  .rule-text{grid-column:2;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .page-hero-inner{padding:48px 0 44px;}
  .page-hero h1{font-size:clamp(28px,8vw,38px);}
  .hero-lead{font-size:15px;}
  .hero-meta-row{gap:18px 24px;margin-top:26px;padding-top:20px;}
  .hero-meta-item{min-width:calc(50% - 12px);}
  .section{padding:52px 0;}
  .sec-head{margin-bottom:28px;}
  .sec-head h2{font-size:22px;padding-left:14px;}
  .sec-head h2::before{top:4px;bottom:4px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:1fr;gap:0;padding:20px 0;}
  .tl-time{display:flex;align-items:baseline;gap:10px;padding:0;margin-bottom:8px;}
  .tl-time small{margin-top:0;display:inline;}
  .tl-rail{display:none;}
  .tl-body{padding-left:0;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;}
  .stat:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .chip{height:34px;padding:0 14px;font-size:12px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .day-num{font-size:26px;}
  .tl-title{font-size:16px;}
  .faq-q{font-size:15px;min-height:58px;}
  .card{padding:22px;}
}
@media (max-width:519px){
  .hero-meta-item{min-width:100%;}
  .hero-tag{font-size:10px;padding:0 12px;}
  .btn{height:46px;padding:0 20px;font-size:13px;}
  .day-head{gap:10px;}
  .day-badge{margin-left:0;}
}

/* roulang page: article */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --error:#D8452A;
  --success:#2E7D4F;
  --warn:#B8860B;
  --rail:220px;
  --radius-card:12px;
  --radius-btn:6px;
  --shadow-hover:0 18px 40px -24px rgba(15,17,16,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(15,17,16,.045) 1px,transparent 1px);
  background-size:20px 20px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;}
ul,ol{padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:var(--paper);padding:12px 20px;border-radius:0 0 6px 0;}
.skip-link:focus{left:0;}
.page{margin-left:var(--rail);min-height:100vh;display:flex;flex-direction:column;}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 32px;}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail);
  background:var(--ink);color:var(--paper);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:28px 20px 24px;z-index:90;overflow-y:auto;
}
.side-brand{display:flex;flex-direction:column;gap:6px;padding:4px 8px 24px;border-bottom:1px solid rgba(255,255,255,.10);margin-bottom:22px;}
.brand-main{font-size:22px;font-weight:800;letter-spacing:.06em;color:#fff;line-height:1.2;}
.brand-sub{font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.62);}
.nav-list{display:flex;flex-direction:column;gap:2px;flex:1;}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;padding-left:18px;
  font-size:15px;font-weight:500;color:rgba(244,242,236,.72);border-radius:6px;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:14px;background:var(--accent);border-radius:2px;
  transition:width .22s var(--ease);
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-item:hover::before{width:12px;}
.nav-item.active{color:var(--accent);}
.nav-item.active::before{width:12px;}
.side-foot{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);}
.side-cta{width:100%;}
.side-contact{margin-top:14px;font-size:12px;line-height:1.9;color:rgba(244,242,236,.5);letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),filter .2s var(--ease);
}
.btn .arrow{display:inline-block;transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}
.btn:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{filter:brightness(.94);}
.btn-dark{background:var(--ink);color:var(--paper);}
.btn-dark:hover{background:var(--ink-2);}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(244,242,236,.45);}
.btn-ghost:hover{background:rgba(244,242,236,.10);border-color:var(--paper);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:var(--paper);}
.link-underline{
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-underline:hover{border-bottom:2px solid var(--accent);}

/* ---------- 移动端顶部栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--paper);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 18px;z-index:100;
}
.mobile-brand{display:flex;align-items:baseline;gap:8px;}
.mobile-brand .brand-main{font-size:19px;color:var(--ink);}
.mobile-brand .brand-sub{font-size:9px;color:var(--grey);}
.nav-toggle{
  width:44px;height:44px;background:none;border:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .18s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-scrim{
  position:fixed;inset:0;background:rgba(15,17,16,.5);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.nav-scrim.show{opacity:1;visibility:visible;}

/* ---------- 文章页头 ---------- */
.article-hero{padding:56px 0 44px;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--grey);margin-bottom:26px;letter-spacing:.02em;}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px;}
.crumb-current{color:var(--ink);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  border:1px solid var(--accent);background:rgba(200,247,81,.18);color:var(--ink);
  font-size:11px;letter-spacing:.08em;font-weight:600;
}
.article-title{
  font-size:clamp(28px,3.4vw,40px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);max-width:820px;margin:18px 0 22px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 22px;list-style:none;font-size:13px;color:var(--grey);font-variant-numeric:tabular-nums;}
.meta-row li{display:flex;align-items:center;gap:8px;}
.meta-row li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);}
.meta-row li:first-child::before{display:none;}

/* ---------- 正文区 ---------- */
.article-wrap{padding:56px 0 88px;flex:1;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.prose{font-size:17px;line-height:1.9;color:var(--body);min-width:0;}
.prose > * + *{margin-top:1.35em;}
.prose h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--ink);
  margin-top:1.9em;padding-left:14px;letter-spacing:-.005em;
}
.prose h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;background:var(--accent);border-radius:2px;}
.prose h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin-top:1.7em;}
.prose h4{font-size:17px;font-weight:600;color:var(--ink);margin-top:1.5em;}
.prose p{margin:0;}
.prose a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:var(--line);}
.prose a:hover{text-decoration-color:var(--accent);text-decoration-thickness:2px;}
.prose strong{color:var(--ink);font-weight:600;}
.prose ul,.prose ol{padding-left:1.4em;margin:0;}
.prose li + li{margin-top:.5em;}
.prose blockquote{
  margin:1.8em 0;padding:18px 22px;background:rgba(255,255,255,.75);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:#414744;
}
.prose blockquote p + p{margin-top:.8em;}
.prose img{border-radius:12px;margin:1.8em auto;width:100%;}
.prose figure{margin:1.8em 0;}
.prose figure img{margin:0 auto;}
.prose figcaption{font-size:13px;color:var(--grey);text-align:center;margin-top:10px;}
.prose table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;font-size:15px;font-variant-numeric:tabular-nums;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.prose th{background:var(--paper);color:var(--ink);font-weight:600;}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.prose pre{overflow-x:auto;background:var(--ink);color:#EDEDE6;padding:18px 20px;border-radius:10px;font-size:14px;line-height:1.7;}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:rgba(15,17,16,.06);padding:2px 6px;border-radius:4px;}
.prose pre code{background:none;padding:0;color:inherit;}
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:48px 32px;text-align:center;
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:999px;background:var(--paper);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
  font-size:22px;color:var(--grey);
}
.empty-state h2{font-size:20px;color:var(--ink);font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--grey);margin-bottom:22px;}

/* ---------- 文末标签 ---------- */
.article-foot{
  margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:999px;
  background:var(--ink);color:var(--paper);font-size:11px;letter-spacing:.08em;font-weight:500;
}
.tag.tag-lite{background:transparent;border:1px solid var(--line);color:var(--grey);}
.foot-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:32px;display:flex;flex-direction:column;gap:18px;}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.aside-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.aside-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;margin-bottom:16px;background:var(--ink);}
.aside-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.aside-card p{font-size:14px;line-height:1.75;color:var(--grey);}
.aside-links{list-style:none;margin:0;padding:0;}
.aside-links li + li{border-top:1px solid var(--line);}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:46px;font-size:15px;font-weight:500;color:var(--ink);
}
.aside-links a .arw{color:var(--grey);transition:transform .2s var(--ease),color .2s var(--ease);}
.aside-links a:hover{color:var(--ink);}
.aside-links a:hover .arw{transform:translateX(3px);color:var(--ink);}
.aside-cta{background:var(--ink);border-radius:var(--radius-card);padding:24px;}
.aside-cta p{font-size:14px;line-height:1.75;color:rgba(244,242,236,.72);margin-bottom:16px;}
.aside-cta .btn{width:100%;}

/* ---------- 反色 CTA ---------- */
.cta-banner{background:var(--ink);color:var(--paper);padding:72px 0;}
.cta-banner .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-banner h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;}
.cta-banner p{font-size:15px;line-height:1.8;color:rgba(244,242,236,.7);max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,242,236,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.06em;}
.footer-brand-sub{display:block;font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.55);margin-top:6px;}
.footer-desc{font-size:14px;line-height:1.85;margin-top:16px;max-width:30ch;color:rgba(244,242,236,.62);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(244,242,236,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;text-decoration-thickness:2px;}
.footer-col p{font-size:14px;line-height:1.95;color:rgba(244,242,236,.62);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,236,.48);font-variant-numeric:tabular-nums;
}

/* ---------- 断点 ---------- */
@media (min-width:1440px){:root{--rail:220px;}}
@media (min-width:1280px) and (max-width:1439px){:root{--rail:200px;}}

@media (min-width:1024px) and (max-width:1279px){
  :root{--rail:92px;}
  .side-nav{padding:24px 12px 20px;}
  .side-brand{align-items:center;padding:4px 0 20px;}
  .brand-main{font-size:17px;letter-spacing:.02em;}
  .brand-sub{display:none;}
  .nav-item{padding-left:10px;justify-content:center;}
  .nav-label{display:none;}
  .nav-item::after{content:attr(data-mark);font-size:14px;font-weight:600;letter-spacing:.04em;}
  .side-cta{padding:0;font-size:13px;}
  .side-cta span:not(.arrow){display:none;}
  .side-contact{display:none;}
  .container{padding:0 32px;}
}

@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;gap:16px;}
  .article-aside > *{flex:1 1 280px;}
}

@media (max-width:1023px){
  .page{margin-left:0;padding-top:60px;}
  .mobile-bar{display:flex;}
  .side-nav{
    width:100%;max-width:340px;transform:translateX(-100%);
    transition:transform .28s var(--ease);padding-top:88px;
    box-shadow:none;
  }
  .side-nav.is-open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.35);}
  .brand-sub{display:block;}
  .nav-item{padding-left:18px;font-size:16px;}
  .nav-label{display:inline;}
  .nav-item::after{display:none;}
  .side-contact{display:block;}
  .article-hero{padding:40px 0 32px;}
  .article-wrap{padding:36px 0 64px;}
  .cta-banner{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  body.nav-open{overflow:hidden;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .article-hero{padding:32px 0 26px;}
  .article-title{font-size:26px;line-height:1.4;}
  .crumb-current{max-width:100%;white-space:normal;display:block;}
  .prose{font-size:16px;line-height:1.85;}
  .prose h2{font-size:21px;}
  .prose h3{font-size:18px;}
  .article-wrap{padding:28px 0 52px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .cta-banner{padding:48px 0;}
  .cta-banner .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .aside-card{padding:20px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
}

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

/* roulang page: category2 */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --err:#D8452A;
  --ok:#2E7D4F;
  --warn:#B8860B;
  --r-card:12px;
  --r-btn:6px;
  --nav-w:220px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 18px 40px -24px rgba(15,17,16,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(15,17,16,.045) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--accent);color:var(--ink)}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 40px}

/* ---------- 左侧竖导航 ---------- */
.side-nav{
  position:fixed;left:0;top:0;height:100vh;width:var(--nav-w);
  background:var(--ink);color:var(--paper);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:30px 20px 24px;z-index:60;
  transition:width .2s var(--ease);
}
.side-brand{display:flex;flex-direction:column;gap:6px;padding:0 8px 26px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-main{font-size:26px;font-weight:800;letter-spacing:.02em;color:var(--paper);line-height:1.1}
.brand-sub{font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.55)}
.nav-list{display:flex;flex-direction:column;gap:2px;margin-top:26px;flex:1}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px;
  border-radius:var(--r-btn);font-size:15px;font-weight:500;
  color:rgba(244,242,236,.72);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:14px;background:var(--accent);border-radius:2px;
  transition:width .22s var(--ease);
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav-item:hover::before{width:12px}
.nav-item.active{color:var(--accent)}
.nav-item.active::before{width:12px}
.nav-foot{padding-top:18px;border-top:1px solid rgba(255,255,255,.08)}
.nav-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:46px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:700;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{filter:brightness(.94);transform:translateY(-1px)}
.nav-cta .arrow{transition:transform .22s var(--ease)}
.nav-cta:hover .arrow{transform:translateX(3px)}
.nav-contact{margin-top:14px;font-size:12px;line-height:1.9;color:rgba(244,242,236,.42);padding:0 4px}

/* ---------- 主体 ---------- */
.site-body{margin-left:var(--nav-w)}
.mobile-head{display:none}

/* ---------- Hero ---------- */
.hero{padding:88px 0 76px;border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.2em;color:var(--grey);
  font-variant-numeric:tabular-nums;margin-bottom:20px;
}
.eyebrow::before{content:"";width:14px;height:2px;background:var(--accent);border-radius:2px}
.hero h1{
  font-size:clamp(34px,4.4vw,60px);
  line-height:1.1;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);margin-bottom:22px;
}
.hero-sub{font-size:17px;color:var(--body);max-width:30em}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 32px}
.hero-meta li{
  font-size:13px;color:var(--grey);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
  display:flex;align-items:center;gap:8px;
}
.hero-meta li::before{content:"";width:5px;height:5px;background:var(--ink);border-radius:50%;opacity:.35}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-figure{position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--ink);box-shadow:var(--shadow)}
.hero-figure img{width:100%;height:100%;aspect-ratio:5/4;object-fit:cover}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(15,17,16,.84);color:var(--paper);
  font-size:12px;letter-spacing:.08em;padding:8px 16px;border-radius:999px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-light{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn-light:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(244,242,236,.45);color:var(--paper)}
.btn-outline-light:hover{background:rgba(244,242,236,.1);border-color:var(--paper)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section + .section{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;margin-bottom:44px}
.sec-index{
  font-size:13px;letter-spacing:.18em;color:var(--grey);
  font-variant-numeric:tabular-nums;margin-bottom:12px;display:block;
}
.sec-title{
  font-size:clamp(24px,2.8vw,38px);line-height:1.2;
  font-weight:700;letter-spacing:-.01em;color:var(--ink);
}
.sec-desc{margin-top:14px;font-size:15px;color:var(--grey);max-width:34em}

/* ---------- 筛选标签 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);
  font-size:13px;color:var(--body);cursor:pointer;
  transition:all .2s var(--ease);min-height:36px;
}
.chip:hover{border-color:var(--ink);transform:translateY(-1px)}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- 嘉宾网格 ---------- */
.guest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.guest-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.guest-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.guest-photo{aspect-ratio:4/3;overflow:hidden;background:var(--ink)}
.guest-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter .3s var(--ease),transform .3s var(--ease)}
.guest-card:hover .guest-photo img{filter:grayscale(0);transform:scale(1.03)}
.guest-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.guest-name{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4}
.guest-role{font-size:13px;color:var(--grey);letter-spacing:.03em}
.guest-bio{font-size:14px;line-height:1.75;color:var(--body);flex:1}
.guest-tag{margin-top:6px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:11px;letter-spacing:.08em;
  border:1px solid var(--accent);color:var(--ink);background:transparent;
  white-space:nowrap;
}
.badge-dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--r-card);color:var(--grey);font-size:14px;background:var(--card);
}

/* ---------- 对谈列表 ---------- */
.talk-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.talk-row{
  display:flex;align-items:center;gap:18px;
  padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.talk-row:hover{background:rgba(200,247,81,.10)}
.talk-num{
  font-size:13px;color:var(--grey);font-variant-numeric:tabular-nums;
  letter-spacing:.1em;flex:none;width:28px;
}
.talk-body{flex:1;min-width:0}
.talk-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}
.talk-body p{font-size:13px;color:var(--grey);margin-top:4px}
.talk-list .talk-row:nth-child(even){}

/* ---------- 流程 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  background:var(--card);
}
.flow-step{padding:28px 24px;border-right:1px solid var(--line);transition:background .2s var(--ease)}
.flow-step:last-child{border-right:0}
.flow-step:hover{background:rgba(200,247,81,.08)}
.flow-num{
  display:block;font-size:13px;letter-spacing:.16em;color:var(--grey);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--grey);line-height:1.75}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:40px 0;
}
.stat-num{
  font-size:clamp(30px,3.4vw,44px);font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.stat-num span{font-size:.42em;font-weight:600;color:var(--grey);margin-left:6px;letter-spacing:0}
.stat-label{margin-top:8px;font-size:13px;color:var(--grey);letter-spacing:.04em}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
  border-left:2px solid transparent;
}
.faq-q:hover{padding-left:14px;border-left-color:var(--accent)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-icon::before{left:0;top:7px;width:16px;height:1.6px}
.faq-icon::after{left:7px;top:0;width:1.6px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{margin:0 0 22px;font-size:15px;line-height:1.85;color:var(--grey);max-width:62em}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,2.8vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;max-width:20em}
.cta-inner p{margin-top:14px;font-size:15px;color:rgba(244,242,236,.62);max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding:72px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand-main{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--paper)}
.footer-brand-sub{display:block;margin-top:6px;font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.5)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(244,242,236,.55);max-width:22em}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:rgba(244,242,236,.42);font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col p{font-size:14px;color:rgba(244,242,236,.72);line-height:1.9;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(244,242,236,.45);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}

/* ---------- 移动端头部与抽屉 ---------- */
.m-toggle{
  width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;border-radius:var(--r-btn);
}
.m-toggle span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.m-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.m-toggle.is-open span:nth-child(2){opacity:0}
.m-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.m-brand{display:flex;align-items:baseline;gap:8px}
.m-brand .brand-main{font-size:19px;font-weight:800;color:var(--ink)}
.m-brand .brand-sub{font-size:10px;letter-spacing:.26em;color:var(--grey)}
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:none;flex-direction:column;padding:24px 24px 32px;overflow:auto;
}
.drawer.open{display:flex}
.drawer-nav{display:flex;flex-direction:column;margin-top:32px;flex:1}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:60px;padding:0 4px;border-bottom:1px solid var(--line);
  font-size:18px;font-weight:600;color:var(--ink);
  opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
}
.drawer.open .drawer-link{opacity:1;transform:translateY(0)}
.drawer-link.active{color:var(--ink)}
.drawer-link.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.drawer-cta{margin-top:28px}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--nav-w:220px}
}
@media (max-width:1439px) and (min-width:1280px){
  :root{--nav-w:200px}
  .container{padding:0 32px}
}
@media (max-width:1279px) and (min-width:1024px){
  :root{--nav-w:88px}
  .side-nav{padding:26px 12px 22px;align-items:center}
  .side-brand{align-items:center;padding:0 0 22px;width:100%}
  .brand-sub{display:none}
  .brand-main{font-size:20px}
  .nav-list{margin-top:20px;width:100%;align-items:center}
  .nav-item{justify-content:center;padding:0;width:100%}
  .nav-label{display:none}
  .nav-item::after{
    content:attr(data-mark);font-size:15px;font-weight:600;
    color:inherit;line-height:1;
  }
  .nav-item.active::after{color:var(--accent)}
  .nav-cta{padding:0;width:44px;height:44px}
  .nav-cta .cta-text{display:none}
  .nav-contact{display:none}
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .site-body{margin-left:0;padding-top:60px}
  .mobile-head{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;
    align-items:center;justify-content:space-between;padding:0 20px;
    background:var(--paper);border-bottom:1px solid var(--line);z-index:80;
  }
  .hero{padding:56px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-figure{order:-1}
  .hero-figure img{aspect-ratio:16/10}
  .section{padding:72px 0}
  .guest-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr 1fr}
  .flow-step{border-bottom:1px solid var(--line)}
  .flow-step:nth-child(2n){border-right:0}
  .flow-step:nth-child(n+3){border-bottom:0}
  .talk-list{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 24px;padding:32px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .hero h1{font-size:clamp(28px,8vw,38px)}
  .hero-sub{font-size:16px}
  .sec-head{flex-direction:column;gap:16px;margin-bottom:32px}
  .guest-grid{grid-template-columns:1fr;gap:18px}
  .guest-photo{aspect-ratio:16/10}
  .flow{grid-template-columns:1fr}
  .flow-step{border-right:0;border-bottom:1px solid var(--line);padding:22px 20px}
  .flow-step:last-child{border-bottom:0}
  .hero-actions .btn{flex:1;min-width:140px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{font-size:15px;padding:18px 4px}
  .talk-row{flex-wrap:wrap;gap:10px}
  .talk-row .badge{margin-left:46px}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr;gap:24px}
  .hero-meta{gap:6px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --err:#D8452A;
  --ok:#2E7D4F;
  --warn:#B8860B;
  --r-card:12px;
  --r-btn:6px;
  --r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hover:0 18px 40px -24px rgba(15,17,16,.28);
  --sidebar-w:220px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(15,17,16,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(15,17,16,.035) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;display:block;border-radius:var(--r-card);}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--ink);
  color:var(--paper);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-direction:column;
  padding:30px 16px 24px;
  z-index:60;
  overflow-y:auto;
}
.brand{
  display:block;
  padding:0 10px 26px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:22px;
}
.brand-main{
  display:block;
  font-size:22px;
  font-weight:800;
  letter-spacing:.02em;
  color:#fff;
  line-height:1.15;
}
.brand-sub{
  display:block;
  margin-top:6px;
  font-size:10px;
  letter-spacing:.28em;
  color:rgba(244,242,236,.55);
  text-transform:uppercase;
}
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  height:44px;
  padding:0 12px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  color:rgba(244,242,236,.72);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-item::after{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:2px;height:16px;
  background:var(--accent);
  transform:translateY(-50%) scaleY(0);
  transform-origin:center;
  transition:transform .22s var(--ease);
  border-radius:2px;
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.04);}
.nav-item:hover::after{transform:translateY(-50%) scaleY(1);}
.nav-item.active{color:var(--accent);}
.nav-item.active::after{transform:translateY(-50%) scaleY(1);}
.sidebar-foot{
  margin-top:auto;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
}
.sidebar-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  height:44px;
  padding:0 16px;
  background:var(--accent);
  color:var(--ink);
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:700;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.sidebar-cta:hover{filter:brightness(.94);}
.sidebar-cta:active{transform:translateY(1px);}
.sidebar-cta .arrow{transition:transform .2s var(--ease);}
.sidebar-cta:hover .arrow{transform:translateX(3px);}
.sidebar-contact{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:rgba(244,242,236,.5);
  word-break:break-all;
}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  padding:0 18px;
  align-items:center;
  justify-content:space-between;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.topbar-brand{display:flex;align-items:baseline;gap:6px;}
.topbar-brand .t-main{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.topbar-brand .t-sub{font-size:10px;letter-spacing:.2em;color:var(--grey);}
.burger{
  width:44px;height:44px;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  border-radius:var(--r-btn);
}
.burger span{
  display:block;
  width:22px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;
  inset:0;
  background:var(--paper);
  z-index:80;
  display:none;
  flex-direction:column;
  padding:76px 24px 32px;
  overflow-y:auto;
}
.drawer.open{display:flex;}
.drawer .nav-list{gap:6px;}
.drawer .nav-item{
  color:var(--ink);
  font-size:18px;
  font-weight:600;
  height:52px;
  border-bottom:1px solid var(--line);
  border-radius:0;
  opacity:0;
  transform:translateY(8px);
  animation:drawerIn .32s var(--ease) forwards;
}
.drawer.open .nav-item:nth-child(1){animation-delay:.04s;}
.drawer.open .nav-item:nth-child(2){animation-delay:.08s;}
.drawer.open .nav-item:nth-child(3){animation-delay:.12s;}
.drawer.open .nav-item:nth-child(4){animation-delay:.16s;}
.drawer.open .nav-item:nth-child(5){animation-delay:.2s;}
.drawer.open .nav-item:nth-child(6){animation-delay:.24s;}
@keyframes drawerIn{to{opacity:1;transform:translateY(0);}}
.drawer .nav-item::after{display:none;}
.drawer .nav-item.active{color:var(--ink);background:rgba(200,247,81,.35);}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot .btn{width:100%;justify-content:center;}
.drawer-tip{margin-top:14px;font-size:13px;color:var(--grey);text-align:center;}
body.locked{overflow:hidden;}

/* ---------- 主体 ---------- */
.main{
  position:relative;
  z-index:1;
  margin-left:var(--sidebar-w);
  min-height:100vh;
}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease);
  border:1px solid transparent;
  white-space:nowrap;
}
.btn .arrow{transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{filter:brightness(.94);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-onink{background:var(--accent);color:var(--ink);}
.btn-onink:hover{filter:brightness(.94);}
.btn-outline-light{background:transparent;border-color:rgba(244,242,236,.5);color:var(--paper);}
.btn-outline-light:hover{background:rgba(244,242,236,.1);border-color:var(--paper);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.btn.is-loading{opacity:.7;pointer-events:none;}
.link-underline{
  color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:1px;
  transition:border-color .2s var(--ease),font-weight .2s var(--ease);
}
.link-underline:hover{border-bottom:2px solid var(--accent);}

/* ---------- 徽章 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:11px;
  letter-spacing:.08em;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.pill-line{border:1px solid var(--accent);color:var(--ink);background:transparent;}
.pill-ink{background:var(--ink);color:var(--paper);}
.pill-grey{border:1px solid var(--line);color:var(--grey);background:transparent;}

/* ---------- Hero ---------- */
.hero{padding:76px 0 64px;}
.hero-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gutter);
  align-items:center;
}
.hero-copy{grid-column:span 7;animation:heroUp .6s var(--ease) both;}
@keyframes heroUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--grey);
  text-transform:uppercase;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent);display:block;}
.hero h1{
  font-size:clamp(38px,5.2vw,68px);
  line-height:1.06;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
}
.hero h1 em{font-style:normal;display:block;}
.hero-sub{
  margin-top:22px;
  max-width:30em;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
}
.hero-meta{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--grey);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"";width:5px;height:5px;background:var(--accent);border-radius:50%;display:block;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{grid-column:span 5;position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--line);
}
.hero-badge{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  background:rgba(15,17,16,.86);
  color:var(--paper);
  border-radius:var(--r-btn);
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  backdrop-filter:blur(2px);
}
.hero-badge strong{font-size:14px;font-weight:700;letter-spacing:.02em;}
.hero-badge .dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:8px;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;border-top:1px solid var(--line);}
.section-ink{
  background:var(--ink);
  color:var(--paper);
  border-top:0;
  padding:88px 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.sec-title-wrap{display:flex;align-items:flex-start;gap:14px;}
.sec-num{
  font-size:13px;
  font-variant-numeric:tabular-nums;
  color:var(--grey);
  letter-spacing:.1em;
  line-height:1;
  padding-top:12px;
}
.sec-title{
  font-size:clamp(26px,3vw,40px);
  line-height:1.2;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.sec-title::before{
  content:"";
  display:inline-block;
  width:4px;height:.86em;
  background:var(--accent);
  margin-right:14px;
  vertical-align:-.06em;
  border-radius:2px;
}
.sec-desc{color:var(--grey);font-size:15px;max-width:34em;}
.section-ink .sec-title{color:#fff;}
.section-ink .sec-num{color:rgba(244,242,236,.45);}
.section-ink .sec-desc{color:rgba(244,242,236,.6);}

/* ---------- 票种卡 ---------- */
.ticket-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gutter);
}
.ticket-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 26px 26px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.ticket-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:transparent;
}
.ticket-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d8d4c9;}
.ticket-card.is-featured::before{background:var(--accent);}
.ticket-card.is-featured{border-color:#d5d1c4;}
.ticket-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.ticket-card h3{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
}
.price{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  margin:6px 0 4px;
}
.price small{font-size:13px;font-weight:500;color:var(--grey);margin-left:6px;letter-spacing:0;}
.ticket-note{font-size:13px;color:var(--grey);margin-bottom:20px;}
.tick-list{display:flex;flex-direction:column;gap:10px;margin-bottom:26px;}
.tick-list li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--body);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:12px;height:7px;
  border-left:2px solid var(--ok);
  border-bottom:2px solid var(--ok);
  transform:rotate(-45deg);
}
.tick-list li.muted{color:var(--grey);}
.tick-list li.muted::before{border-color:#c9c6bd;}
.ticket-card .btn{width:100%;margin-top:auto;}

/* ---------- 权益对照表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  overflow-x:auto;
}
table.compare{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare th,table.compare td{
  padding:16px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.compare thead th{
  background:var(--paper);
  font-weight:700;
  color:var(--ink);
  font-size:14px;
  letter-spacing:.02em;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody th{font-weight:600;color:var(--ink);width:26%;}
table.compare td{color:var(--body);font-variant-numeric:tabular-nums;}
table.compare tbody tr:hover{background:rgba(200,247,81,.10);}
.yes{color:var(--ok);font-weight:700;}
.no{color:var(--grey);}

/* ---------- 流程 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gutter);
  counter-reset:step;
}
.flow-item{
  position:relative;
  padding:26px 22px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.flow-num{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--grey);
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.flow-item h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--grey);line-height:1.8;}

/* ---------- 报名表单 ---------- */
.signup-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:32px;
  align-items:start;
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{margin-bottom:20px;}
.field label,
.field .field-label{
  display:block;
  font-size:13px;
  font-weight:500;
  color:var(--ink);
  letter-spacing:.02em;
  margin-bottom:8px;
}
.req{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-left:6px;vertical-align:2px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--paper);
  color:var(--ink);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#a9a79f;}
.field input:focus,.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--ink);
  box-shadow:0 0 0 2px rgba(200,247,81,.9);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err);}
.field .err-msg{display:none;margin-top:6px;font-size:12px;color:var(--err);}
.field.has-error .err-msg{display:block;}

.option-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.ticket-option{
  position:relative;
  display:block;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px 14px;
  cursor:pointer;
  background:var(--paper);
  transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.ticket-option:hover{border-color:#c9c6bd;transform:translateY(-1px);}
.ticket-option input{position:absolute;opacity:0;width:1px;height:1px;}
.opt-check{
  position:absolute;
  top:12px;right:12px;
  width:18px;height:18px;
  border:1px solid #cfccc3;
  border-radius:4px;
  background:#fff;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.opt-check::after{
  content:"";
  position:absolute;
  left:5px;top:2px;
  width:6px;height:10px;
  border-right:2px solid var(--ink);
  border-bottom:2px solid var(--ink);
  transform:rotate(45deg) scale(0);
  transform-origin:center;
  transition:transform .18s var(--ease);
}
.ticket-option.is-checked{border-color:var(--accent);background:#fff;box-shadow:0 0 0 1px var(--accent) inset;}
.ticket-option.is-checked .opt-check{background:var(--accent);border-color:var(--accent);}
.ticket-option.is-checked .opt-check::after{transform:rotate(45deg) scale(1);}
.opt-body strong{display:block;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.opt-body em{font-style:normal;font-size:13px;color:var(--grey);font-variant-numeric:tabular-nums;}

.chip-grid{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--body);
  cursor:pointer;
  background:var(--paper);
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.chip input{position:absolute;opacity:0;width:1px;height:1px;}
.chip:hover{border-color:#c9c6bd;}
.chip.is-checked{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--body);
  line-height:1.7;
  cursor:pointer;
}
.check-line input{
  appearance:none;
  -webkit-appearance:none;
  width:18px;height:18px;
  margin-top:3px;
  flex:0 0 18px;
  border:1px solid #cfccc3;
  border-radius:4px;
  background:#fff;
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
  position:relative;
}
.check-line input:checked{background:var(--accent);border-color:var(--accent);}
.check-line input:checked::after{
  content:"";
  position:absolute;
  left:5px;top:1px;
  width:6px;height:10px;
  border-right:2px solid var(--ink);
  border-bottom:2px solid var(--ink);
  transform:rotate(45deg);
}
.form-foot{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-foot .btn{min-width:200px;}
.form-tip{font-size:13px;color:var(--grey);}
.notice-bar{
  display:none;
  margin-bottom:18px;
  padding:12px 16px;
  background:#fbeae5;
  border-left:3px solid var(--err);
  font-size:14px;
  color:#8f2c19;
}
.notice-bar.show{display:block;}
.notice-bar.ok{background:#e8f3ec;border-left-color:var(--ok);color:#1f5c3a;}

.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  margin-bottom:20px;
}
.aside-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.aside-card img{width:100%;aspect-ratio:16/10;object-fit:cover;margin-bottom:16px;}
.aside-list{display:flex;flex-direction:column;gap:12px;}
.aside-list li{font-size:14px;color:var(--body);line-height:1.75;padding-left:18px;position:relative;}
.aside-list li::before{
  content:"";
  position:absolute;
  left:0;top:.66em;
  width:6px;height:6px;
  background:var(--accent);
  border-radius:50%;
}
.aside-contact{font-size:14px;color:var(--grey);line-height:1.9;}
.aside-contact strong{color:var(--ink);font-variant-numeric:tabular-nums;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  min-height:64px;
  padding:16px 4px 16px 0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:2px;height:18px;
  background:var(--accent);
  transform:translateY(-50%) scaleY(0);
  transition:transform .22s var(--ease);
  border-radius:2px;
}
.faq-q:hover{padding-left:14px;}
.faq-q:hover::before{transform:translateY(-50%) scaleY(1);}
.faq-icon{
  position:relative;
  flex:0 0 20px;
  width:20px;height:20px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .2s var(--ease);}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 40px 20px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--grey);
}
.faq-item.open .faq-a{max-height:520px;}

/* ---------- CTA 反色条 ---------- */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  padding:72px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  line-height:1.25;
  color:#fff;
  max-width:22em;
}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(244,242,236,.65);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:44px;
}
.footer-brand-main{
  font-size:20px;
  font-weight:800;
  color:#fff;
  letter-spacing:.02em;
}
.footer-brand-sub{
  display:block;
  margin-top:6px;
  font-size:10px;
  letter-spacing:.28em;
  color:rgba(244,242,236,.5);
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(244,242,236,.6);
  max-width:26em;
}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:rgba(244,242,236,.45);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(244,242,236,.75);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-col p{
  font-size:14px;
  line-height:1.9;
  color:rgba(244,242,236,.65);
  word-break:break-word;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(244,242,236,.45);
  letter-spacing:.02em;
}

/* ---------- 断点 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:88px;}
  .sidebar{padding:24px 12px 20px;align-items:center;}
  .brand{padding:0 0 20px;text-align:center;width:100%;}
  .brand-main{font-size:16px;}
  .brand-sub{font-size:8px;letter-spacing:.18em;}
  .nav-item{justify-content:center;padding:0;width:100%;}
  .nav-item .nav-label{display:none;}
  .nav-item::before{
    content:attr(data-mark);
    font-size:15px;
    font-weight:600;
    color:inherit;
    letter-spacing:0;
  }
  .sidebar-cta{width:44px;padding:0;justify-content:center;font-size:0;}
  .sidebar-cta .arrow{font-size:14px;}
  .sidebar-contact{display:none;}
}

@media (max-width:1023px){
  .sidebar{display:none;}
  .main{margin-left:0;padding-top:60px;}
  .topbar{display:flex;}
  .hero{padding:48px 0 40px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-copy,.hero-visual{grid-column:span 1;}
  .hero-visual{order:-1;margin-bottom:8px;}
  .hero-visual img{aspect-ratio:16/9;}
  .section{padding:56px 0;}
  .section-ink{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .ticket-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .signup-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:56px 0;}
}

@media (max-width:767px){
  .container{padding:0 18px;}
  .hero{padding:36px 0 32px;}
  .hero h1{font-size:clamp(30px,8.4vw,40px);}
  .hero-sub{font-size:15.5px;}
  .hero-meta{gap:8px 16px;font-size:12.5px;}
  .hero-actions .btn{flex:1 1 auto;min-width:140px;padding:0 18px;}
  .field-row{grid-template-columns:1fr;gap:0;}
  .option-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .form-card{padding:22px 18px;}
  .ticket-card{padding:24px 20px 22px;}
  .price{font-size:34px;}
  .section{padding:44px 0;}
  .section-ink{padding:44px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15px;min-height:58px;}
  .faq-a p{padding-right:0;}
  .cta-inner h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .sec-title{font-size:24px;}
  .sec-title::before{width:3px;margin-right:10px;}
  .table-wrap{border-radius:var(--r-card);}
  table.compare{min-width:600px;font-size:14px;}
  table.compare th,table.compare td{padding:12px 14px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category4 */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --err:#D8452A;
  --ok:#2E7D4F;
  --warn:#B8860B;
  --r-card:12px;
  --r-btn:6px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 18px 40px -24px rgba(15,17,16,.28);
  --nav-w:220px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background-color:var(--paper);
  background-image:radial-gradient(rgba(15,17,16,.04) 1px,transparent 1px);
  background-size:24px 24px;
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
.mono{font-family:"Space Grotesk",Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--ink);color:var(--paper);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;
  padding:30px 20px 24px;z-index:70;
}
.brand{display:block;color:var(--paper);padding:0 8px}
.brand-main{display:block;font-size:22px;font-weight:800;line-height:1.1;letter-spacing:-.01em}
.brand-sub{display:block;margin-top:7px;font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.48)}
.nav-list{display:flex;flex-direction:column;gap:2px;margin-top:36px;flex:1}
.side-nav .nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:6px;
  font-size:15px;font-weight:500;color:rgba(244,242,236,.72);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.side-nav .nav-item::before{
  content:"";position:absolute;left:0;top:50%;width:2px;height:18px;
  background:var(--accent);border-radius:2px;
  transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.side-nav .nav-item:hover{color:#fff;background:rgba(255,255,255,.05)}
.side-nav .nav-item:hover::before{transform:translateY(-50%) scaleY(1)}
.side-nav .nav-item.active{color:var(--accent)}
.side-nav .nav-item.active::before{transform:translateY(-50%) scaleY(1)}
.nav-foot{margin-top:20px}
.nav-cta{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:600;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{filter:brightness(.94)}
.nav-cta:hover .arrow{transform:translateX(3px)}
.nav-cta:active{transform:translateY(1px)}
.arrow{display:inline-block;transition:transform .2s var(--ease)}
.nav-contact{margin-top:14px;font-size:12px;line-height:1.7;color:rgba(244,242,236,.42)}

/* ---------- 主内容区 ---------- */
.main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{display:none}
.drawer{display:none}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--grey);margin-bottom:26px;flex-wrap:wrap}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.crumb .cur{color:var(--ink);font-weight:500}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;border:1px solid var(--accent);
  background:rgba(200,247,81,.16);color:var(--ink);
  font-size:11.5px;font-weight:600;letter-spacing:.08em;white-space:nowrap;
}
.pill-solid{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.pill-outline{background:transparent;border-color:var(--ink);color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:filter .2s var(--ease),transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--accent);color:var(--ink);border:1px solid var(--accent)}
.btn-primary:hover{filter:brightness(.94)}
.btn-primary:hover .arrow{transform:translateX(3px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-ghost:hover .arrow{transform:translateX(3px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-on-dark{background:var(--accent);color:var(--ink);border:1px solid var(--accent)}
.btn-on-dark:hover{filter:brightness(.94)}
.link-underline{
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;
  transition:border-color .2s var(--ease),border-width .2s var(--ease);
}
.link-underline:hover{border-bottom:2px solid var(--accent)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;padding:72px 0 60px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-50px;width:420px;height:340px;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.10;border-radius:18px;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{
  font-size:clamp(32px,4.2vw,54px);line-height:1.14;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);margin-top:18px;max-width:820px;
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.8;color:#4A4F4C;max-width:660px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:30px;font-size:13px;color:var(--grey);letter-spacing:.02em}
.meta-row span{display:inline-flex;align-items:center;gap:8px}
.meta-row .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 板块通用 ---------- */
.sec{padding:80px 0}
.sec-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:34px}
.sec-num{font-size:13px;color:var(--grey);letter-spacing:.1em;padding-top:9px;flex:none}
.sec-title{
  font-size:clamp(24px,2.8vw,36px);line-height:1.22;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);
}
.sec-title::before{
  content:"";display:inline-block;width:4px;height:.86em;background:var(--accent);
  border-radius:2px;margin-right:12px;vertical-align:-.06em;
}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--grey);max-width:680px}
.sec-tag{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:11px;letter-spacing:.2em;color:var(--grey);
  max-height:20px;line-height:1;padding-top:2px;flex:none;
}

/* ---------- 精选公告卡 ---------- */
.feature{
  display:grid;grid-template-columns:1.02fr 1fr;
  overflow:hidden;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.feature:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#D8D4C8}
.feature-media{position:relative;min-height:340px;overflow:hidden;background:var(--ink)}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.feature:hover .feature-media img{transform:scale(1.03)}
.feature-media .pill{position:absolute;left:20px;top:20px;background:var(--paper);border-color:var(--accent)}
.feature-body{padding:40px 40px 36px;display:flex;flex-direction:column}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin-bottom:14px}
.feature-body p{font-size:15.5px;line-height:1.85;color:#5C615D}
.feature-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;font-size:13px;color:var(--grey)}
.feature-foot{margin-top:auto;padding-top:26px}

/* ---------- 动态卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#D8D4C8}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);letter-spacing:-.005em}
.card-body p{font-size:14.5px;line-height:1.8;color:#6B706C}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--grey)}
.card-meta .sep{width:1px;height:10px;background:var(--line)}

/* ---------- 编号信息行 ---------- */
.info-list{border-top:1px solid var(--line);margin-top:6px}
.info-row{
  display:grid;grid-template-columns:70px 1fr;gap:20px;
  padding:28px 16px 28px 18px;margin:0 -16px;
  border-bottom:1px solid var(--line);border-radius:8px;
  position:relative;transition:background .2s var(--ease);
}
.info-row::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:2px;height:26px;background:var(--accent);border-radius:2px;
  transition:transform .22s var(--ease);
}
.info-row:hover{background:rgba(200,247,81,.10)}
.info-row:hover::before{transform:translateY(-50%) scaleY(1)}
.info-idx{font-family:"Space Grotesk",Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:15px;font-weight:600;color:var(--grey);letter-spacing:.08em;padding-top:3px}
.info-row h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:6px;letter-spacing:-.005em}
.info-row p{font-size:15px;line-height:1.8;color:#5C615D}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  position:relative;transition:color .2s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:-14px;top:50%;width:2px;height:18px;
  background:var(--accent);border-radius:2px;
  transform:translateY(-50%) scaleY(0);transition:transform .22s var(--ease);
}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(1)}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .26s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:1px;
}
.faq-icon::before{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%)}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:1.85;color:#5C615D;max-width:760px}

/* ---------- CTA 反色带 ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:76px 0}
.cta-inner{display:grid;grid-template-columns:1.5fr auto;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(244,242,236,.66);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-outline-light{background:transparent;color:var(--paper);border:1px solid rgba(244,242,236,.45)}
.btn-outline-light:hover{border-color:var(--paper);background:rgba(255,255,255,.08)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding-top:64px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px}
.footer-brand-main{font-size:22px;font-weight:800;color:var(--paper);letter-spacing:-.01em}
.footer-brand-sub{font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.48);margin-left:8px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(244,242,236,.6);max-width:290px}
.footer-col h4{font-size:12px;font-weight:600;letter-spacing:.14em;color:rgba(244,242,236,.44);margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col a,.footer-col p{font-size:14px;line-height:1.85;color:rgba(244,242,236,.75);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,236,.44);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--nav-w:200px}
}
@media (max-width:1279px) and (min-width:1024px){
  :root{--nav-w:88px}
  .side-nav{padding:26px 12px 22px;align-items:center}
  .brand{padding:0;text-align:center}
  .brand-main{font-size:15px}
  .brand-sub{display:none}
  .nav-list{width:100%;margin-top:28px}
  .side-nav .nav-item{justify-content:center;padding:0;gap:0}
  .side-nav .nav-item .nav-label{display:none}
  .side-nav .nav-item::after{
    content:attr(data-mark);font-size:15px;font-weight:600;letter-spacing:.04em;
  }
  .nav-cta{padding:0 8px;justify-content:center;font-size:12px;width:100%}
  .nav-cta .arrow{display:none}
  .nav-contact{display:none}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .main{margin-left:0;padding-top:60px}
  .topbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:80;
    background:var(--paper);border-bottom:1px solid var(--line);
    align-items:center;justify-content:space-between;padding:0 20px;
  }
  .topbar-brand{display:flex;align-items:baseline;gap:6px;color:var(--ink)}
  .topbar-brand .bm{font-size:17px;font-weight:800;letter-spacing:-.01em}
  .topbar-brand .bs{font-size:9px;letter-spacing:.24em;color:var(--grey)}
  .burger{
    width:44px;height:44px;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;border-radius:6px;
  }
  .burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease)}
  .burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.on span:nth-child(2){opacity:0}
  .burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .drawer{
    position:fixed;inset:0;z-index:90;background:var(--paper);
    display:none;flex-direction:column;padding:20px 20px 32px;overflow-y:auto;
  }
  .drawer.open{display:flex}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:18px}
  .drawer-head .bm{font-size:18px;font-weight:800;color:var(--ink)}
  .drawer-head .bs{font-size:9px;letter-spacing:.24em;color:var(--grey);margin-left:6px}
  .drawer-nav{display:flex;flex-direction:column}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:56px;padding:0 4px;border-bottom:1px solid var(--line);
    font-size:18px;font-weight:600;color:var(--ink);
    opacity:0;transform:translateY(8px);
    animation:none;
  }
  .drawer.open .drawer-nav a{animation:drawerIn .34s var(--ease) forwards}
  .drawer.open .drawer-nav a:nth-child(1){animation-delay:.03s}
  .drawer.open .drawer-nav a:nth-child(2){animation-delay:.07s}
  .drawer.open .drawer-nav a:nth-child(3){animation-delay:.11s}
  .drawer.open .drawer-nav a:nth-child(4){animation-delay:.15s}
  .drawer.open .drawer-nav a:nth-child(5){animation-delay:.19s}
  .drawer.open .drawer-nav a:nth-child(6){animation-delay:.23s}
  @keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
  .drawer-nav a.active{color:#0F1110}
  .drawer-nav a.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
  .drawer-foot{margin-top:auto;padding-top:28px}
  .drawer-foot .btn{width:100%}
  .drawer-contact{margin-top:16px;font-size:13px;color:var(--grey);line-height:1.8}
  .close-btn{width:44px;height:44px;position:relative;border-radius:6px}
  .close-btn::before,.close-btn::after{
    content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;
    background:var(--ink);border-radius:2px;
  }
  .close-btn::before{transform:translate(-50%,-50%) rotate(45deg)}
  .close-btn::after{transform:translate(-50%,-50%) rotate(-45deg)}
}
@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr}
  .feature-media{min-height:240px;aspect-ratio:16/10}
  .feature-body{padding:30px 26px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
}
@media (max-width:767px){
  .sec{padding:56px 0}
  .page-hero{padding:48px 0 44px}
  .page-hero::after{display:none}
  .container{padding:0 20px}
  .hero-lead{font-size:15.5px}
  .meta-row{gap:8px 20px;font-size:12.5px}
  .sec-head{gap:12px;margin-bottom:26px}
  .sec-tag{display:none}
  .feature-body{padding:26px 22px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band{padding:56px 0}
  .btn{width:100%}
  .cta-actions{width:100%}
  .hero-actions .btn{width:100%}
  .info-row{grid-template-columns:48px 1fr;gap:14px;padding:24px 12px 24px 14px;margin:0 -12px}
  .info-row h3{font-size:17px}
  .info-row p{font-size:14.5px}
}
@media (max-width:640px){
  .grid-3{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category5 */
:root{
  --ink:#0F1110;
  --ink-2:#1A1C1B;
  --paper:#F4F2EC;
  --card:#FFFFFF;
  --accent:#C8F751;
  --line:#E2DFD6;
  --grey:#8A908B;
  --body:#2C302E;
  --err:#D8452A;
  --ok:#2E7D4F;
  --warn:#B8860B;
  --r-card:12px;
  --r-btn:6px;
  --r-pill:999px;
  --nav-w:220px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hover:0 18px 40px -24px rgba(15,17,16,.28);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(15,17,16,.9) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.04;
}
body.lock{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--accent);color:var(--ink)}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--nav-w);
  height:100vh;
  background:var(--ink);
  color:var(--paper);
  display:flex;
  flex-direction:column;
  padding:32px 20px 24px;
  border-right:1px solid rgba(255,255,255,.08);
  z-index:100;
  overflow-y:auto;
}
.brand{display:block;margin-bottom:40px;padding-left:4px}
.brand-main{display:block;font-size:24px;font-weight:800;letter-spacing:.02em;line-height:1.1;color:var(--paper)}
.brand-sub{display:block;font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.58);margin-top:8px}
.nav-list{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  height:44px;
  padding:0 12px;
  border-radius:6px;
  color:rgba(244,242,236,.72);
  font-size:15px;
  font-weight:500;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:0;height:16px;
  background:var(--accent);
  border-radius:2px;
  transition:width .22s var(--ease);
}
.nav-item:hover,.nav-item:focus-visible{color:#fff;background:rgba(255,255,255,.045)}
.nav-item:hover::before,.nav-item:focus-visible::before{width:3px}
.nav-item.active{color:var(--accent)}
.nav-item.active::before{width:3px}
.nav-item.active:hover{background:rgba(200,247,81,.08)}
.side-bottom{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);
  font-size:14px;font-weight:600;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.side-cta .arrow{transition:transform .2s var(--ease)}
.side-cta:hover{filter:brightness(.94)}
.side-cta:hover .arrow{transform:translateX(3px)}
.side-cta:active{transform:translateY(1px)}
.side-contact{margin-top:14px;font-size:12px;line-height:1.7;color:rgba(244,242,236,.5);word-break:break-all}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:60px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 20px;
  z-index:200;
}
.m-brand{display:flex;align-items:baseline;gap:8px}
.m-brand strong{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.m-brand span{font-size:10px;letter-spacing:.24em;color:var(--grey)}
.burger{
  width:44px;height:44px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:none;border:0;cursor:pointer;padding:0;border-radius:6px;
}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;inset:0;
  background:var(--paper);
  z-index:300;
  display:flex;flex-direction:column;
  padding:20px 20px 32px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .3s var(--ease),visibility .3s var(--ease);
}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:6px;background:none;
  font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-list{display:flex;flex-direction:column;padding-top:12px;flex:1}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
}
.drawer.open .drawer-list a{opacity:1;transform:translateY(0)}
.drawer-list a.active{color:var(--ink)}
.drawer-list a.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.drawer-foot{padding-top:20px}

/* ---------- 主内容容器 ---------- */
.main{position:relative;z-index:1;margin-left:var(--nav-w);min-height:100vh}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--paper);
  padding:104px 0 92px;
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.4;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(102deg,rgba(15,17,16,.96) 0%,rgba(15,17,16,.8) 52%,rgba(15,17,16,.46) 100%);
}
.eyebrow{
  display:inline-flex;align-items:center;
  height:26px;padding:0 14px;margin-bottom:26px;
  border:1px solid rgba(200,247,81,.6);border-radius:var(--r-pill);
  color:var(--accent);font-size:11px;letter-spacing:.16em;
}
.page-hero h1{
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.1;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:16em;
  animation:riseIn .6s var(--ease) both;
}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.lede{
  margin-top:20px;
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.8;
  color:rgba(244,242,236,.8);
  max-width:34em;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;
  margin-top:34px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(244,242,236,.62);
  font-variant-numeric:tabular-nums;
}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section--alt{background:#EFEDE5}
.section--tight{padding:72px 0}
.section-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:48px;max-width:780px}
.sec-num{
  flex:none;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--grey);
  padding-top:10px;
  font-variant-numeric:tabular-nums;
}
.sec-title{
  position:relative;
  font-size:clamp(26px,3vw,40px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;
  width:4px;height:.78em;border-radius:2px;background:var(--accent);
}
.sec-desc{margin-top:12px;color:var(--grey);font-size:16px;line-height:1.8;max-width:42em;padding-left:16px}

/* ---------- 品牌长文 ---------- */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.about-figure{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--card);
}
.about-figure img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.about-figure:hover img{transform:scale(1.03)}
.about-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 20px;
  font-size:12px;line-height:1.6;
  color:rgba(244,242,236,.9);
  background:linear-gradient(to top,rgba(15,17,16,.88),rgba(15,17,16,0));
}
.about-text h3{
  font-size:20px;
  font-weight:600;
  color:var(--ink);
  margin:32px 0 12px;
}
.about-text h3:first-child{margin-top:0}
.about-text p{font-size:17px;line-height:1.9;margin-bottom:18px}
.about-text .btn{margin-top:16px}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  margin-top:80px;
}
.stat{background:var(--paper);padding:34px 24px}
.stat-num{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(28px,3.2vw,44px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.stat-label{display:block;margin-top:12px;font-size:13px;letter-spacing:.04em;color:var(--grey)}

/* ---------- 流程横条 ---------- */
.flow-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;margin-top:64px}
.flow-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.flow-idx{
  flex:none;
  font-family:var(--font-num);
  font-size:13px;
  color:var(--grey);
  font-variant-numeric:tabular-nums;
  padding-top:4px;
  letter-spacing:.08em;
}
.flow-item h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:6px}
.flow-item p{font-size:14px;line-height:1.8;color:var(--grey)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;
  background:none;border:0;
  font-size:16px;font-weight:600;
  color:var(--ink);
  text-align:left;
  cursor:pointer;
  position:relative;
  transition:color .2s var(--ease);
}
.faq-q::before{
  content:"";
  position:absolute;left:-18px;top:50%;
  transform:translateY(-50%);
  width:2px;height:0;
  background:var(--accent);
  transition:height .22s var(--ease);
}
.faq-q:hover::before,.faq-q:focus-visible::before{height:20px}
.faq-icon{
  flex:none;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--ink);
  transition:transform .25s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{
  margin:0;
  padding:0 40px 22px 0;
  font-size:15px;
  line-height:1.85;
  color:var(--body);
  max-width:720px;
}
.faq-foot{margin-top:32px;font-size:14px;color:var(--grey)}
.faq-foot a{color:var(--ink);border-bottom:1px solid var(--ink);transition:border-color .2s var(--ease)}
.faq-foot a:hover{border-bottom:2px solid var(--accent)}

/* ---------- 联系区 ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact-info h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:14px}
.contact-info p{font-size:16px;line-height:1.9;color:var(--body);margin-bottom:26px;max-width:26em}
.info-list{border-top:1px solid var(--line)}
.info-row{
  display:flex;justify-content:space-between;gap:20px;
  padding:16px 0;border-bottom:1px solid var(--line);
  font-size:14px;
}
.info-row span:first-child{color:var(--grey);flex:none}
.info-row span:last-child{color:var(--ink);text-align:right;word-break:break-all}
.contact-figure{margin-top:32px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line)}
.contact-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.form-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:8px}
.req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 1px rgba(15,17,16,.18);margin-left:6px;vertical-align:middle}
.field input,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--ink);
  padding:0 14px;
  height:48px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#B4B8B3}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 2px rgba(200,247,81,.9);
}
.form-note{font-size:13px;line-height:1.7;margin-top:14px;padding:10px 12px;border-radius:var(--r-btn);display:none}
.form-note.ok{display:block;background:rgba(46,125,79,.1);color:var(--ok)}
.form-note.err{display:block;background:rgba(216,69,42,.1);color:var(--err)}
.form-tip{font-size:12px;color:var(--grey);margin-top:12px;line-height:1.7}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),filter .2s var(--ease);
}
.btn .arrow{transition:transform .2s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;filter:none;transform:none}

/* ---------- CTA 横条 ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;max-width:24em}
.cta-inner p{margin-top:10px;font-size:14px;color:rgba(244,242,236,.66);max-width:32em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,242,236,.72);padding:72px 0 0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer-brand-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-brand-sub{display:inline-block;font-size:10px;letter-spacing:.28em;color:rgba(244,242,236,.55);margin-left:8px}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:280px;color:rgba(244,242,236,.62)}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:#fff;margin:0 0 18px}
.footer-col ul{margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(244,242,236,.68);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(244,242,236,.62);word-break:break-all}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,236,.48);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--nav-w:88px}
  .side-nav{padding:24px 12px 20px}
  .brand{padding-left:0;text-align:center;margin-bottom:28px}
  .brand-main{font-size:17px}
  .brand-sub{font-size:9px;letter-spacing:.14em;margin-top:6px}
  .nav-item{justify-content:center;padding:0;font-size:0}
  .nav-item::after{content:attr(data-mark);font-size:15px;font-weight:600}
  .nav-item .nav-label{
    position:absolute;left:calc(100% + 14px);top:50%;
    transform:translateY(-50%);
    background:var(--ink-2);color:#fff;
    padding:6px 12px;border-radius:6px;
    font-size:13px;white-space:nowrap;
    opacity:0;pointer-events:none;
    box-shadow:0 12px 24px -16px rgba(0,0,0,.7);
    transition:opacity .18s var(--ease);
    z-index:5;
  }
  .nav-item:hover .nav-label,.nav-item:focus-visible .nav-label{opacity:1}
  .side-cta{padding:0;font-size:0;gap:0}
  .side-cta .cta-text{display:none}
  .side-cta::before{content:"报名";font-size:13px}
  .side-cta .arrow{font-size:13px;margin-left:4px}
  .side-contact{display:none}
  .about-grid{gap:36px}
  .flow-list{gap:0 36px}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:60px}
  .page-hero{padding:64px 0 56px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .container{padding:0 24px}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .about-figure img{aspect-ratio:16/10}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-hero{padding:56px 0 48px}
  .section{padding:56px 0}
  .section-head{gap:12px;margin-bottom:32px}
  .sec-num{padding-top:6px}
  .sec-title{padding-left:14px;font-size:clamp(24px,6vw,30px)}
  .sec-desc{padding-left:14px;font-size:15px}
  .about-text p{font-size:16px;line-height:1.85}
  .stats-bar{grid-template-columns:1fr 1fr;margin-top:48px}
  .stat{padding:24px 18px}
  .flow-list{grid-template-columns:1fr;margin-top:40px}
  .faq-q{font-size:15px;padding:20px 0;gap:16px}
  .faq-a p{padding-right:16px}
  .faq-q::before{left:-10px}
  .form-card{padding:24px 20px}
  .cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:40px}
  .footer-desc{max-width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .hero-meta{gap:10px 20px;font-size:12px}
  .info-row{flex-direction:column;gap:4px}
  .info-row span:last-child{text-align:left}
}
@media (max-width:520px){
  .page-hero h1{font-size:clamp(26px,8vw,32px)}
  .lede{font-size:15px}
  .btn{width:100%;padding:0 20px}
  .cta-actions{width:100%}
  .stats-bar{grid-template-columns:1fr}
  .drawer-list a{font-size:16px}
  .about-figure figcaption{font-size:11px;padding:14px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}