/* roulang page: index */
:root{
  --brand:#B4472A;
  --brand-dk:#8C3420;
  --accent:#1D4A43;
  --accent-lt:#3F7A6E;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#F0EDE6;
  --dark:#14181A;
  --ink:#16181A;
  --ink-2:#5C5F5E;
  --ink-3:#8B8F8D;
  --line:#E2DDD4;
  --line-2:#2A302F;
  --ok:#2F7A5C;
  --warn:#C98A16;
  --err:#B3352B;
  --info:#2C5F7A;
  --r-xs:2px;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-1:0 1px 0 rgba(20,24,26,.04);
  --sh-2:0 12px 28px -18px rgba(20,24,26,.35);
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
  --sp-9:96px;
  --sp-10:128px;
  --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;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{line-height:1.24;letter-spacing:-.012em}
.num,time,.tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-9) 0}
.section--tight{padding:var(--sp-8) 0}
.section--paper{background:var(--surface)}
.section--tint{background:var(--surface-2)}
.section--dark{background:var(--dark);color:#EDEAE4}

/* ============ 通用文字 ============ */
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:var(--sp-3);
}
.section--dark .eyebrow{color:#E4A08C}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-6);
  margin-bottom:var(--sp-7);
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;max-width:24ch}
.section-head p{color:var(--ink-2);font-size:16px;max-width:46ch;margin-top:var(--sp-3)}
.section--dark .section-head p{color:#B7B5AF}
.link-more{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  padding-bottom:2px;
  white-space:nowrap;
}
.link-more::after{
  content:"";
  position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--brand);
  transition:right .2s var(--ease);
}
.link-more:hover::after{right:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-2);
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
  text-align:center;
}
.btn .arw{transition:transform .2s var(--ease);display:inline-block}
.btn:hover .arw{transform:translateX(3px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-dk);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--ink-3);background:var(--surface-2)}
.btn-light{background:#F3EFE8;color:var(--dark);border-color:transparent}
.btn-light:hover{background:#fff}
.btn-text{
  height:auto;
  padding:0 0 4px;
  border:0;
  border-bottom:1px solid var(--brand);
  border-radius:0;
  color:var(--brand);
  background:transparent;
}
.btn-text:hover{color:var(--brand-dk);border-color:var(--brand-dk)}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn.is-loading{pointer-events:none;opacity:.8}
.btn.is-loading::before{
  content:"";
  width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;
  animation:spin .7s linear infinite;
}
.btn-outline.is-loading::before{border-color:rgba(180,71,42,.3);border-top-color:var(--brand)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 徽章 ============ */
.badge{
  display:inline-block;
  padding:4px 10px;
  border-radius:var(--r-xs);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.5;
  background:#E3EDEA;
  color:var(--accent);
}
.badge--brand{background:#F6E4DE;color:var(--brand-dk)}
.badge--ok{background:rgba(47,122,92,.12);color:var(--ok)}
.badge--warn{background:rgba(201,138,22,.14);color:#8A5D09}
.badge--info{background:rgba(44,95,122,.12);color:var(--info)}

/* ============ 页头 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(246,244,239,.98)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-5);
  height:72px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:50%;
  border:1.5px solid var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);font-weight:800;font-size:16px;line-height:1;
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:var(--sp-6)}
.main-nav ul{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--ink-2);
  font-weight:500;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--brand);transition:right .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{right:0}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{right:0}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-scrim{
  position:fixed;inset:0;background:rgba(20,24,26,.42);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:70;
}
.nav-scrim.is-open{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:var(--sp-9) 0 var(--sp-8)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.08;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:var(--sp-8);
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(32px,4.2vw,56px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.14;
  margin-bottom:var(--sp-5);
}
.hero-sub{
  font-size:18px;
  color:var(--ink-2);
  max-width:38ch;
  margin-bottom:var(--sp-6);
  line-height:1.75;
}
.hero-actions{display:flex;align-items:center;gap:var(--sp-5);flex-wrap:wrap;margin-bottom:var(--sp-7)}
.hero-facts{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  padding-top:var(--sp-5);
  gap:var(--sp-4);
}
.hero-facts li{display:flex;flex-direction:column;gap:2px;padding-right:var(--sp-4);border-right:1px solid var(--line)}
.hero-facts li:last-child{border-right:0}
.hero-facts .fk{font-size:12px;letter-spacing:.12em;color:var(--ink-3);font-weight:600}
.hero-facts .fv{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:5/7;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:0 24px 60px -40px rgba(20,24,26,.5);
}
.hero-figure figcaption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  padding:6px 12px;
  font-size:12px;letter-spacing:.04em;color:var(--ink-2);
}

/* ============ 数据条 ============ */
.stats{background:var(--surface);border-bottom:1px solid var(--line)}
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:var(--sp-7) 0;
}
.stats-row li{
  padding:0 var(--sp-5);
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:var(--sp-1);
}
.stats-row li:first-child{border-left:0;padding-left:0}
.stats-row strong{
  font-size:clamp(30px,3.4vw,44px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.02;
  font-variant-numeric:tabular-nums;
  color:var(--accent);
}
.stats-row span{font-size:14px;color:var(--ink-2)}

/* ============ 时间线 ============ */
.tl{position:relative;margin-top:var(--sp-6)}
.tl-line{position:absolute;left:112px;top:10px;bottom:10px;width:1px;background:var(--line)}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr;
  gap:var(--sp-6);
  padding-bottom:var(--sp-5);
}
.tl-item:last-child{padding-bottom:0}
.tl-time{
  text-align:right;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  padding-top:2px;
}
.tl-time small{display:block;font-size:12px;font-weight:500;color:var(--ink-3);letter-spacing:.06em}
.tl-node{
  position:absolute;
  left:112px;top:9px;
  width:9px;height:9px;margin-left:-4px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 0 rgba(180,71,42,.35);
  transition:box-shadow .3s var(--ease);
}
.tl-item:hover .tl-node{box-shadow:0 0 0 8px rgba(180,71,42,.12)}
.tl-item.is-done .tl-node{background:var(--ink-3)}
.tl-item.is-live .tl-node{background:var(--ok)}
.tl-item.is-done .tl-card{background:var(--surface-2);border-style:dashed}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:var(--sp-5);
  box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.tl-card:hover{border-color:var(--accent-lt);box-shadow:var(--sh-2);transform:translateY(-2px)}
.tl-card h3{font-size:20px;font-weight:600;margin-bottom:var(--sp-2)}
.tl-meta{display:flex;flex-wrap:wrap;gap:var(--sp-4);font-size:14px;color:var(--ink-2);align-items:center}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-tags{display:flex;gap:var(--sp-2);flex-wrap:wrap;margin-top:var(--sp-4)}

/* ============ 嘉宾错位网格 ============ */
.speakers{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--sp-5);align-items:start}
.sp-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  position:relative;
}
.sp-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--brand);transition:width .25s var(--ease);z-index:2;
}
.sp-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line)}
.sp-card:hover::before{width:3px}
.sp-card img{width:100%;aspect-ratio:4/5;object-fit:cover;border-bottom:1px solid var(--line)}
.sp-body{padding:var(--sp-5)}
.sp-body h3{font-size:19px;font-weight:700;margin-bottom:4px}
.sp-role{font-size:14px;color:var(--ink-2);margin-bottom:var(--sp-3)}
.sp-topic{
  font-size:14px;color:var(--accent);
  border-top:1px solid var(--line);
  padding-top:var(--sp-3);
  line-height:1.7;
}
.speakers .sp-card:nth-child(1){grid-column:span 5}
.speakers .sp-card:nth-child(2){grid-column:span 4;margin-top:56px}
.speakers .sp-card:nth-child(3){grid-column:span 3;margin-top:20px}
.speakers .sp-card:nth-child(4){grid-column:span 4}
.speakers .sp-card:nth-child(5){grid-column:span 5;margin-top:48px}
.speakers .sp-card:nth-child(6){grid-column:span 3;margin-top:24px}

/* ============ 票种 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);align-items:start}
.plan{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:var(--sp-6) var(--sp-5) var(--sp-5);
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  display:flex;flex-direction:column;
}
.plan::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--brand);border-radius:var(--r-md) 0 0 var(--r-md);
  transition:width .25s var(--ease);
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--accent-lt)}
.plan:hover::before{width:3px}
.plan.is-featured{
  background:var(--accent);
  color:#F1EEE7;
  border-color:var(--accent);
  padding-top:var(--sp-7);
  padding-bottom:var(--sp-6);
  margin-top:-16px;
  box-shadow:0 24px 50px -34px rgba(29,74,67,.75);
}
.plan.is-featured:hover{transform:translateY(-6px)}
.plan-flag{
  position:absolute;top:-1px;left:50%;transform:translate(-50%,-100%);
  background:var(--brand);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  padding:5px 14px;border-radius:var(--r-xs) var(--r-xs) 0 0;
}
.plan-name{font-size:14px;letter-spacing:.14em;font-weight:700;color:var(--brand);margin-bottom:var(--sp-4)}
.plan.is-featured .plan-name{color:#E9A48F}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:var(--sp-3)}
.plan-price .num{font-size:clamp(32px,3.6vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.plan-price .unit{font-size:14px;color:var(--ink-3)}
.plan.is-featured .plan-price .unit{color:#A9C1BC}
.plan-desc{font-size:15px;color:var(--ink-2);padding-bottom:var(--sp-5);border-bottom:1px solid var(--line);margin-bottom:var(--sp-5);line-height:1.75}
.plan.is-featured .plan-desc{color:#C6D8D4;border-bottom-color:var(--line-2)}
.plan-list{display:flex;flex-direction:column;gap:var(--sp-3);margin-bottom:var(--sp-6);flex:1}
.plan-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.7}
.plan-list li::before{position:absolute;left:0;top:0;font-size:14px;font-weight:700}
.plan-list li.yes::before{content:"✓";color:var(--ok)}
.plan-list li.no::before{content:"✕";color:var(--ink-3)}
.plan.is-featured .plan-list li.yes::before{color:#8FD5B8}
.plan.is-featured .plan-list li.no::before{color:#7C8A87}
.plan-btn{width:100%}
.plan.is-featured .plan-btn{background:#F3EFE8;color:var(--accent);border-color:transparent}
.plan.is-featured .plan-btn:hover{background:#fff;color:var(--accent)}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-5)}
.news-card{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:var(--sp-5);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  padding:var(--sp-4);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--accent-lt)}
.news-card.is-lead{grid-column:1 / -1;grid-template-columns:1.15fr 1fr;padding:0;gap:0}
.news-thumb{
  overflow:hidden;
  border-radius:var(--r-sm);
  background:var(--surface-2);
  aspect-ratio:16/10;
}
.news-card.is-lead .news-thumb{border-radius:0;height:100%;aspect-ratio:auto;min-height:280px}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;gap:var(--sp-2);min-width:0}
.news-card.is-lead .news-body{padding:var(--sp-6);justify-content:center;gap:var(--sp-3)}
.news-meta{display:flex;align-items:center;gap:var(--sp-3);font-size:13px;color:var(--ink-3)}
.news-meta time{font-variant-numeric:tabular-nums}
.news-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card.is-lead .news-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35}
.news-card:hover .news-body h3{color:var(--brand)}
.news-body p{
  font-size:15px;
  color:var(--ink-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card.is-lead .news-body p{-webkit-line-clamp:4}
.news-foot{margin-top:auto;padding-top:var(--sp-2);font-size:14px;font-weight:600;color:var(--brand)}
.news-foot .arw{transition:transform .2s var(--ease);display:inline-block}
.news-card:hover .news-foot .arw{transform:translateX(3px)}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  padding:var(--sp-8) var(--sp-5);
  text-align:center;
  color:var(--ink-3);
  background:var(--surface);
}
.empty-state p{font-size:16px;margin-bottom:var(--sp-3)}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);
  padding:22px 0;
  background:transparent;border:0;
  text-align:left;
  font-size:17px;font-weight:600;
  cursor:pointer;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;
  width:18px;height:18px;flex-shrink:0;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  font-size:16px;color:var(--ink-2);line-height:1.9;
  padding:0 40px 24px 0;
}

/* ============ CTA ============ */
.cta-block{background:var(--dark);color:#EDEAE4;position:relative;overflow:hidden}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.07;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:var(--sp-8);align-items:start}
.cta-inner h2{font-size:clamp(28px,3.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:var(--sp-4)}
.cta-inner .lead{font-size:17px;color:#B7B5AF;max-width:36ch;margin-bottom:var(--sp-6)}
.cta-points{display:flex;flex-direction:column;gap:var(--sp-3);margin-bottom:var(--sp-7)}
.cta-points li{position:relative;padding-left:22px;font-size:15px;color:#C9C7C1}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:1.5px;background:var(--brand)}
.form-card{
  background:#1C2224;
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  padding:var(--sp-6);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:var(--sp-2)}
.form-card .hint{font-size:14px;color:#8F938F;margin-bottom:var(--sp-5)}
.field{margin-bottom:var(--sp-4)}
.field label{display:block;font-size:13px;letter-spacing:.06em;color:#A9ADA8;margin-bottom:var(--sp-2);font-weight:600}
.field input,.field select{
  width:100%;height:48px;
  padding:0 14px;
  background:#12181A;
  border:1px solid var(--line-2);
  border-radius:var(--r-sm);
  color:#EDEAE4;
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,#8F938F 50%),linear-gradient(135deg,#8F938F 50%,transparent 50%);
  background-position:calc(100% - 19px) 22px,calc(100% - 14px) 22px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.field input::placeholder{color:#6E7370}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(180,71,42,.28)}
.field.is-error input,.field.is-error select{border-color:#D9634F}
.field .msg{display:none;font-size:13px;color:#E08C7A;margin-top:6px}
.field.is-error .msg{display:block}
.form-card .btn-primary{width:100%;margin-top:var(--sp-2)}
.form-note{font-size:13px;color:#7F8481;margin-top:var(--sp-4);line-height:1.7}
.form-ok{
  display:none;
  margin-top:var(--sp-4);
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(47,122,92,.16);
  border:1px solid rgba(47,122,92,.4);
  color:#9DD9BE;
  font-size:14px;
}
.form-ok.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:var(--sp-8) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:var(--sp-7);padding-bottom:var(--sp-7)}
.footer-brand .logo{margin-bottom:var(--sp-4)}
.footer-brand p{font-size:15px;color:var(--ink-2);max-width:32ch;line-height:1.8}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--ink-3);font-weight:700;margin-bottom:var(--sp-4)}
.footer-col ul{display:flex;flex-direction:column;gap:var(--sp-3)}
.footer-col a{font-size:15px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:15px;color:var(--ink-2);line-height:1.8}
.footer-contact .qr{
  margin-top:var(--sp-4);
  width:96px;height:96px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--ink-3);text-align:center;line-height:1.4;
  background-image:repeating-linear-gradient(45deg,#ECE8E0 0 6px,#F6F4EF 6px 12px);
  padding:6px;
}
.socials{display:flex;gap:var(--sp-4);margin-top:var(--sp-4)}
.socials a{
  width:34px;height:34px;border:1px solid var(--line);border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:13px;font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);background:#FBF3F0}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:var(--sp-5) 0;
  display:flex;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ============ 移动端底部条 ============ */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;height:56px;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  z-index:75;
  padding:0 14px;
  align-items:center;gap:10px;
}
.mobile-bar select{
  flex:1;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);font-size:14px;padding:0 10px;
}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;flex-shrink:0}

/* ============ 滚动渐显 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .section{padding:var(--sp-8) 0}
  .hero{padding:var(--sp-8) 0 var(--sp-7)}
  .hero-inner{gap:var(--sp-7)}
  .speakers{grid-template-columns:repeat(8,1fr)}
  .speakers .sp-card:nth-child(1){grid-column:span 4}
  .speakers .sp-card:nth-child(2){grid-column:span 4;margin-top:40px}
  .speakers .sp-card:nth-child(3){grid-column:span 3;margin-top:0}
  .speakers .sp-card:nth-child(4){grid-column:span 5;margin-top:0}
  .speakers .sp-card:nth-child(5){grid-column:span 4;margin-top:32px}
  .speakers .sp-card:nth-child(6){grid-column:span 4;margin-top:0}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(330px,86vw);
    background:var(--surface);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:88px 24px 32px;
    transform:translateX(102%);
    transition:transform .32s var(--ease);
    box-shadow:-28px 0 60px -40px rgba(20,24,26,.5);
    z-index:78;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:16px 0;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-cta{margin-top:24px;width:100%;height:48px;font-size:15px}
  .hero-inner{grid-template-columns:1fr;gap:var(--sp-7)}
  .hero-figure{order:-1}
  .hero-figure img{aspect-ratio:16/10}
  .hero-facts{grid-template-columns:repeat(2,1fr);gap:var(--sp-5) var(--sp-4)}
  .hero-facts li:nth-child(2n){border-right:0}
  .hero-facts li:nth-child(-n+2){padding-bottom:var(--sp-4);border-bottom:1px solid var(--line)}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:var(--sp-6) 0;padding:var(--sp-6) 0}
  .stats-row li:nth-child(odd){border-left:0;padding-left:0}
  .stats-row li:nth-child(even){padding-left:var(--sp-5)}
  .plans{grid-template-columns:1fr;gap:var(--sp-5)}
  .plan.is-featured{margin-top:0}
  .cta-inner{grid-template-columns:1fr;gap:var(--sp-7)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6)}
  .news-grid{grid-template-columns:1fr}
  .news-card.is-lead{grid-template-columns:1fr;gap:0}
  .news-card.is-lead .news-thumb{min-height:220px;aspect-ratio:16/9}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.88}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding:48px 0 40px}
  .hero-copy h1{font-size:clamp(28px,7.4vw,36px);line-height:1.2}
  .hero-sub{font-size:16px}
  .hero-actions{gap:var(--sp-4)}
  .hero-actions .btn{width:100%}
  .hero-actions .btn-text{width:auto}
  .section-head h2{max-width:none}
  .tl-line{display:none}
  .tl-item{grid-template-columns:1fr;gap:var(--sp-3);padding-bottom:var(--sp-5);padding-left:0}
  .tl-time{text-align:left;padding-top:0}
  .tl-time small{display:inline-block;margin-left:8px}
  .tl-node{display:none}
  .speakers{grid-template-columns:1fr}
  .speakers .sp-card:nth-child(n){grid-column:1 / -1;margin-top:0}
  .sp-card img{aspect-ratio:16/11}
  .news-card,.news-card.is-lead{grid-template-columns:1fr;padding:var(--sp-4);gap:var(--sp-4)}
  .news-card.is-lead .news-body{padding:0}
  .news-thumb{aspect-ratio:16/10}
  .faq-q{font-size:16px;padding:18px 0}
  .faq-a p{padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-6)}
  .footer-bottom{padding-bottom:76px}
  .mobile-bar{display:flex}
}
@media (max-width:479px){
  .hero-copy h1{font-size:26px}
  .stats-row strong{font-size:28px}
  .btn{height:46px;padding:0 20px}
  .plan-price .num{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand:#B4472A;
  --brand-dk:#8C3420;
  --accent:#1D4A43;
  --accent-2:#3F7A6E;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#F1EEE7;
  --dark:#14181A;
  --dark-line:#2A302F;
  --ink:#16181A;
  --ink-2:#5C5F5E;
  --ink-3:#8B8F8D;
  --line:#E2DDD4;
  --line-2:#D3CCBF;
  --ok:#2F7A5C;
  --warn:#C98A16;
  --err:#B3352B;
  --info:#2C5F7A;

  --r-xs:2px;
  --r-sm:4px;
  --r-md:6px;
  --r-lg:10px;
  --r-xl:16px;

  --sh-1:0 1px 0 rgba(20,24,26,.04);
  --sh-2:0 12px 28px -18px rgba(20,24,26,.35);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px; --sp-10:128px;

  --maxw:1240px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"SF Mono",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;

  --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;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs);}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;font-weight:600;
  color:var(--accent-2);text-transform:uppercase;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-dk);border-color:var(--brand-dk);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(180,71,42,.08);}
.btn-light{background:#fff;color:var(--dark);border-color:#fff;}
.btn-light:hover{background:#EDE8DF;border-color:#EDE8DF;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid currentColor;padding-bottom:4px;
  transition:color .2s var(--ease);
}
.link-arrow:hover{color:var(--brand-dk);}
.link-arrow .arrow{transition:transform .2s var(--ease);}
.link-arrow:hover .arrow{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-block;padding:4px 10px;border-radius:var(--r-xs);
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.5;
}
.badge-cat{background:rgba(63,122,110,.14);color:var(--accent);}
.badge-soft{background:var(--surface-2);color:var(--ink-2);}
.badge-live{background:rgba(47,122,92,.14);color:var(--ok);}
.badge-soon{background:rgba(201,138,22,.14);color:var(--warn);}
.badge-end{background:rgba(139,143,141,.16);color:var(--ink-2);}
.tag{
  display:inline-block;padding:4px 10px;border:1px solid var(--line-2);border-radius:var(--r-xs);
  font-size:12px;letter-spacing:.04em;color:var(--ink-2);background:var(--surface);
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,244,239,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
  height:72px;
}
.site-header.is-scrolled{height:60px;border-bottom-color:var(--line);background:rgba(246,244,239,.98);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;}
.logo-mark{
  width:32px;height:32px;border:1.5px solid var(--brand);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:15px;font-weight:800;font-family:var(--font-mono);
  flex:0 0 auto;
}
.logo-text{font-size:18px;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:32px;}
.main-nav ul{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;letter-spacing:.02em;color:var(--ink-2);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-cta{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-md);padding:0;cursor:pointer;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,24,26,.45);opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:55;
}
.nav-overlay.is-on{opacity:1;visibility:visible;}

/* ============ 文章头部 ============ */
.article-head{padding:32px 0 0;background:linear-gradient(180deg,rgba(29,74,67,.06),rgba(246,244,239,0) 68%);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line-2);}
.breadcrumb .current{color:var(--ink-3);}

.article-title{
  margin:24px 0 0;font-size:clamp(28px,4.2vw,48px);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  max-width:940px;
}
.article-lead{margin-top:18px;max-width:800px;color:var(--ink-2);font-size:17px;line-height:1.8;}
.meta-bar{
  margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}
.meta-bar .dot{width:1px;height:14px;background:var(--line-2);display:inline-block;}
.meta-bar .item{display:inline-flex;align-items:center;gap:8px;}

.article-cover{margin:40px 0 0;}
.article-cover img{
  width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--r-xl);
  border:1px solid var(--line);background:var(--surface-2);
}
.article-cover figcaption{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center;}

/* ============ 正文 ============ */
.article-main{padding:56px 0 96px;}
.article-layout{display:block;}
.article-body{
  max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink);
  overflow-wrap:break-word;
}
.article-body > * + *{margin-top:22px;}
.article-body p{color:#232527;}
.article-body h2{
  position:relative;margin-top:56px;padding-left:16px;
  font-size:clamp(21px,2.2vw,28px);font-weight:700;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.18em;width:3px;background:var(--brand);border-radius:2px;
}
.article-body h3{margin-top:40px;font-size:19px;font-weight:600;}
.article-body h4{margin-top:32px;font-size:17px;font-weight:600;}
.article-body ul,.article-body ol{padding-left:22px;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul > li{position:relative;padding-left:20px;margin-top:12px;}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent-2);
}
.article-body ol{list-style:decimal;}
.article-body ol > li{margin-top:12px;padding-left:4px;}
.article-body ol > li::marker{color:var(--brand);font-family:var(--font-mono);font-weight:700;}
.article-body blockquote{
  margin:32px 0;padding:18px 22px;background:var(--surface);
  border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);font-size:16.5px;line-height:1.9;
  font-family:Georgia,"Songti SC","Noto Serif SC",serif;
}
.article-body blockquote p + p{margin-top:12px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(180,71,42,.4);transition:border-color .2s var(--ease),color .2s var(--ease);}
.article-body a:hover{color:var(--brand-dk);border-bottom-color:var(--brand-dk);}
.article-body strong{font-weight:700;}
.article-body img{border-radius:var(--r-lg);border:1px solid var(--line);margin:8px auto;}
.article-body figure{margin:32px 0;}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center;}
.article-body code{
  font-family:var(--font-mono);font-size:14.5px;background:var(--surface-2);
  padding:2px 6px;border-radius:var(--r-xs);
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15.5px;min-width:520px;
}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--surface-2);font-weight:600;font-size:14px;letter-spacing:.02em;}
.article-body tr:last-child td{border-bottom:0;}

/* ============ 空态 ============ */
.empty-state{
  max-width:560px;margin:0 auto;padding:56px 32px;text-align:center;
  border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface);
}
.empty-state p{color:var(--ink-2);font-size:16px;}
.empty-state .link-arrow{margin-top:18px;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 96px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:32px;
}
.section-head h2{font-size:clamp(20px,2.3vw,28px);}
.section-head p{margin-top:8px;color:var(--ink-2);font-size:15px;}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-item{
  display:flex;flex-direction:column;gap:14px;padding:20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.related-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2);}
.related-item .thumb{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);
  background:var(--surface-2);border:1px solid var(--line);
}
.related-item h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.related-item:hover h3{color:var(--brand);}
.related-item .desc{
  color:var(--ink-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.related-item .more{color:var(--brand);font-weight:600;}

/* ============ 返回入口 ============ */
.back-row{padding:0 0 96px;}
.back-box{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 28px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
}
.back-box .txt{font-size:15px;color:var(--ink-2);}
.back-box strong{display:block;font-size:17px;color:var(--ink);margin-bottom:4px;font-weight:600;}

/* ============ CTA 深色区 ============ */
.cta-band{background:var(--dark);color:#EDE8DF;padding:80px 0;border-top:1px solid var(--dark-line);}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,38px);line-height:1.2;}
.cta-band p{margin-top:16px;color:rgba(237,232,223,.72);font-size:16px;max-width:520px;}
.cta-band .eyebrow{color:#8FC0B2;}
.cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel{
  border:1px solid var(--dark-line);border-radius:var(--r-xl);padding:28px;background:rgba(255,255,255,.03);
}
.cta-panel h3{color:#fff;font-size:18px;}
.cta-list{margin-top:18px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:12px;font-size:15px;color:rgba(237,232,223,.8);}
.cta-list .k{font-family:var(--font-mono);color:#8FC0B2;}

/* ============ 页脚 ============ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;}
.footer-brand p{margin-top:16px;color:var(--ink-2);font-size:14.5px;line-height:1.8;max-width:320px;}
.socials{display:flex;gap:16px;margin-top:20px;}
.socials a{
  font-size:13.5px;color:var(--ink-2);border-bottom:1px solid var(--line-2);padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.socials a:hover{color:var(--brand);border-color:var(--brand);}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--ink);margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--ink-2);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{font-size:14.5px;color:var(--ink-2);}
.qr{
  margin-top:18px;width:104px;height:104px;border:1px dashed var(--line-2);border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:var(--ink-3);line-height:1.6;
  background:repeating-linear-gradient(45deg,rgba(0,0,0,.02) 0 6px,transparent 6px 12px);
}
.footer-bottom{
  margin-top:56px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}

/* ============ 移动端底部条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:70;display:none;
  align-items:center;justify-content:space-between;gap:12px;padding:0 18px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  transform:translateY(100%);transition:transform .3s var(--ease);
}
.sticky-bar.is-on{transform:translateY(0);}
.sticky-bar .sb-text{font-size:13px;color:var(--ink-2);}
.sticky-bar .btn{height:40px;padding:0 18px;font-size:14px;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

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

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .related-list{grid-template-columns:repeat(3,1fr);}
  .cta-grid{gap:48px;}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);z-index:65;
    background:var(--surface);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    padding:88px 24px 32px;transform:translateX(100%);
    transition:transform .3s var(--ease);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
  .main-nav ul li{border-bottom:1px solid var(--line);}
  .nav-link{display:block;padding:16px 0;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-cta{margin-top:24px;width:100%;height:48px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .related-list{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.92;}
  .container{padding:0 18px;}
  .article-head{padding-top:24px;}
  .article-title{margin-top:18px;}
  .article-main{padding:40px 0 64px;}
  .article-body{font-size:16px;line-height:1.92;}
  .article-body h2{margin-top:44px;padding-left:14px;}
  .article-body blockquote{padding:16px 18px;font-size:15.5px;}
  .related{padding-bottom:64px;}
  .related-list{grid-template-columns:1fr;}
  .back-row{padding-bottom:64px;}
  .cta-band{padding:56px 0 88px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-bottom{flex-direction:column;}
  .sticky-bar{display:flex;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:479px){
  .article-title{font-size:26px;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .back-box{flex-direction:column;align-items:flex-start;}
  .back-box .btn{width:100%;}
}

/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
  --brand:#B4472A;
  --brand-dk:#8C3420;
  --brand-soft:rgba(180,71,42,.08);
  --accent:#1D4A43;
  --accent-2:#3F7A6E;
  --accent-soft:rgba(63,122,110,.12);
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEBE3;
  --dark:#14181A;
  --dark-2:#1C2224;
  --ink:#16181A;
  --ink-2:#5C5F5E;
  --ink-3:#8B8F8D;
  --line:#E2DDD4;
  --line-2:#2A302F;
  --on-dark:#F1EEE7;
  --on-dark-2:#A9B0AE;
  --success:#2F7A5C;
  --warn:#C98A16;
  --error:#B3352B;
  --info:#2C5F7A;

  --r-xs:2px;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;

  --sh-1:0 1px 0 rgba(20,24,26,.04);
  --sh-2:0 12px 28px -18px rgba(20,24,26,.35);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px;
  --sp-9:96px; --sp-10:128px;

  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-serif:Georgia,"Songti SC","Source Han Serif SC",serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{line-height:1.24;letter-spacing:-.01em}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs)}
::selection{background:var(--brand);color:#fff}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ 容器与通用 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sp-9) 0}
.section-sm{padding:var(--sp-8) 0}
.section-alt{background:var(--surface-2)}
.section-dark{background:var(--dark);color:var(--on-dark)}
.section-dark .section-sub{color:var(--on-dark-2)}
.section-head{max-width:760px;margin-bottom:var(--sp-7)}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  font-weight:600;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:var(--sp-3);
}
.section-dark .eyebrow{color:#E2836A}
.section-title{font-size:clamp(24px,2.6vw,36px);font-weight:700}
.section-sub{margin-top:var(--sp-3);color:var(--ink-2);font-size:16px;max-width:680px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-2);
  height:48px;
  padding:0 22px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform .2s var(--ease);display:inline-block}
.btn:hover .arrow{transform:translateX(3px)}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-dk);border-color:var(--brand-dk);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-light{background:var(--on-dark);color:var(--dark);border-color:var(--on-dark)}
.btn-light:hover{background:#fff;border-color:#fff}
.btn-link{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  height:auto;padding:0 0 4px;border:0;border-radius:0;
  background:none;color:var(--brand);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.btn-link:hover{border-bottom-color:var(--brand)}
.btn-link .arrow{transition:transform .2s var(--ease)}
.btn-link:hover .arrow{transform:translateX(3px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn.is-loading{pointer-events:none;opacity:.75}
.btn.is-loading::before{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;margin-right:2px;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-xs);
  padding:4px 10px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent);
  line-height:1.6;
}
.badge-status{font-weight:600}
.badge-status.is-live{background:rgba(47,122,92,.12);color:var(--success)}
.badge-status.is-done{background:rgba(139,143,141,.16);color:var(--ink-2)}
.badge-status.is-soon{background:rgba(201,138,22,.14);color:var(--warn)}
.tag{
  display:inline-block;
  font-size:12px;letter-spacing:.06em;
  color:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  padding:3px 9px;
  background:var(--surface);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:height .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(246,244,239,.98)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:var(--sp-5);
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:30px;height:30px;flex:0 0 30px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--brand);border-radius:var(--r-xs);
  color:var(--brand);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.logo:hover .logo-mark{background:var(--brand);color:#fff}
.logo-text{font-size:18px;font-weight:700;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:var(--sp-6)}
.main-nav ul{display:flex;align-items:center;gap:var(--sp-6)}
.nav-link{
  position:relative;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-cta{height:42px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);
  cursor:pointer;
  padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(20,24,26,.4);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:55;
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:clamp(48px,7vw,96px) 0 clamp(40px,6vw,80px);
  background:var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.08;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(32px,5vw,72px);
  align-items:center;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
  margin-bottom:var(--sp-5);
}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span[aria-current]{color:var(--ink);font-weight:600}
.hero h1{
  font-size:clamp(32px,4.2vw,56px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  max-width:16em;
}
.hero-sub{
  margin-top:var(--sp-5);
  font-size:17px;
  color:var(--ink-2);
  max-width:34em;
}
.hero-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-5);
  margin-top:var(--sp-6);
}
.hero-meta{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:var(--sp-7);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-meta li{
  padding:var(--sp-4) var(--sp-4) var(--sp-4) 0;
  border-right:1px solid var(--line);
}
.hero-meta li:last-child{border-right:0}
.hero-meta dt{font-size:12px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:4px}
.hero-meta dd{margin:0;font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh-1);
}
.hero-media img{
  width:100%;
  aspect-ratio:5/7;
  object-fit:cover;
}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;
  font-size:13px;
  color:#fff;
  background:linear-gradient(to top,rgba(20,24,26,.78),rgba(20,24,26,0));
}

/* ============ 数据条 ============ */
.stats-bar{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat{
  padding:var(--sp-6) var(--sp-5);
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0}
.stat strong{
  display:block;
  font-size:clamp(28px,3vw,40px);
  font-weight:800;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat span{
  display:block;margin-top:6px;
  font-size:14px;color:var(--ink-2);
}

/* ============ Tabs ============ */
.tabs{
  display:flex;
  gap:var(--sp-2);
  border-bottom:1px solid var(--line);
  margin-bottom:var(--sp-7);
  overflow-x:auto;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab-btn{
  position:relative;
  background:none;border:0;cursor:pointer;
  padding:14px 18px;
  font-size:15px;font-weight:600;
  color:var(--ink-3);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.tab-btn::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.tab-btn:hover{color:var(--ink)}
.tab-btn[aria-selected="true"]{color:var(--brand)}
.tab-btn[aria-selected="true"]::after{transform:scaleX(1)}
.tab-panel[hidden]{display:none}

/* ============ 时间线 ============ */
.timeline{margin-top:var(--sp-2)}
.tl-item{
  display:grid;
  grid-template-columns:92px 26px 1fr;
  padding-bottom:var(--sp-5);
}
.tl-time{
  text-align:right;
  padding-right:18px;
  padding-top:18px;
  font-size:15px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  color:var(--ink-2);
  letter-spacing:.02em;
}
.tl-axis{position:relative}
.tl-axis::before{
  content:"";position:absolute;top:0;bottom:0;left:12px;width:1px;background:var(--line);
}
.tl-item:last-child .tl-axis::before{bottom:auto;height:34px}
.tl-node{
  position:absolute;left:8px;top:22px;
  width:9px;height:9px;border-radius:50%;
  background:var(--brand);
  z-index:1;
  transition:box-shadow .25s var(--ease);
}
.tl-node::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid transparent;transition:border-color .25s var(--ease);
}
.tl-item:hover .tl-node::after{border-color:rgba(180,71,42,.4)}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:var(--sp-5) var(--sp-5) var(--sp-4);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6CFC3}
.tl-card-top{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-3)}
.tl-card h3{font-size:20px;font-weight:600}
.tl-card p{margin-top:var(--sp-2);color:var(--ink-2);font-size:15px}
.tl-meta{
  display:flex;flex-wrap:wrap;gap:var(--sp-5);
  margin-top:var(--sp-4);
  padding-top:var(--sp-3);
  border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
}
.tl-meta b{font-weight:600;color:var(--ink)}

/* ============ 分会场网格 ============ */
.venue-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:var(--sp-5);
}
.venue-card{
  grid-column:span 2;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.venue-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.venue-card:nth-child(1),
.venue-card:nth-child(2){grid-column:span 3}
.venue-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.venue-body{padding:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-3);flex:1}
.venue-body h3{font-size:20px;font-weight:600}
.venue-body p{font-size:15px;color:var(--ink-2)}
.venue-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-3);
  padding-top:var(--sp-3);
  border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
}

/* ============ 下载区 ============ */
.download-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:clamp(32px,5vw,64px);
  align-items:start;
}
.download-list{display:flex;flex-direction:column;gap:var(--sp-4)}
.download-item{
  display:flex;align-items:center;gap:var(--sp-5);
  padding:var(--sp-5);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.download-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.download-no{
  font-size:28px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  flex:0 0 auto;line-height:1;
}
.download-item h3{font-size:17px;font-weight:600}
.download-item p{font-size:14px;color:var(--ink-2);margin-top:2px}
.download-item .btn{flex:0 0 auto}

/* ============ 步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--sp-5);
  counter-reset:step;
}
.step{
  position:relative;
  padding:var(--sp-6) var(--sp-5) var(--sp-5);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);
  margin-bottom:var(--sp-3);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:var(--sp-2)}
.step p{font-size:14.5px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq{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:var(--sp-5);
  background:none;border:0;cursor:pointer;text-align:left;
  padding:20px 0;
  font-size:17px;font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;flex:0 0 16px;width:16px;height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{left:0;top:7.5px;width:16px;height:1.5px}
.faq-icon::after{left:7.25px;top:0;width:1.5px;height:16px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{
  padding:0 var(--sp-8) var(--sp-5) 0;
  font-size:15.5px;
  color:var(--ink-2);
}

/* ============ CTA / 表单 ============ */
.cta-section{
  background:var(--dark);
  color:var(--on-dark);
  padding:var(--sp-9) 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(32px,5vw,72px);
  align-items:center;
}
.cta-section h2{
  font-size:clamp(26px,3vw,40px);
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  max-width:14em;
}
.cta-section p{margin-top:var(--sp-4);color:var(--on-dark-2);max-width:32em}
.signup-form{
  background:var(--dark-2);
  border:1px solid var(--line-2);
  border-radius:var(--r-lg);
  padding:clamp(24px,3vw,36px);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4)}
.field{margin-bottom:var(--sp-4)}
.field label{
  display:block;
  font-size:13px;letter-spacing:.06em;
  color:var(--on-dark-2);
  margin-bottom:var(--sp-2);
}
.field input,.field select{
  width:100%;height:48px;
  padding:0 14px;
  border:1px solid var(--line-2);
  border-radius:var(--r-sm);
  background:#101516;
  color:var(--on-dark);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#6F7674}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 1px var(--brand);
}
.field.has-error input,.field.has-error select{border-color:var(--error);box-shadow:0 0 0 1px var(--error)}
.field .err{
  display:none;font-size:13px;color:#E88C82;margin-top:6px;
}
.field.has-error .err{display:block}
.form-note{font-size:13px;color:var(--on-dark-2);margin-top:var(--sp-3)}
.form-ok{
  display:none;
  margin-top:var(--sp-4);
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(47,122,92,.14);
  border:1px solid rgba(47,122,92,.5);
  color:#8FD3B4;
  font-size:14px;
}
.form-ok.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--surface-2);
  border-top:1px solid var(--line);
  padding:var(--sp-8) 0 var(--sp-5);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:var(--sp-7);
}
.footer-brand p{
  margin-top:var(--sp-4);
  font-size:14.5px;
  color:var(--ink-2);
  max-width:30em;
}
.socials{display:flex;gap:var(--sp-4);margin-top:var(--sp-5)}
.socials a{
  font-size:14px;color:var(--ink-2);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.socials a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;
  font-weight:600;color:var(--ink-3);
  margin-bottom:var(--sp-4);
}
.footer-col ul{display:flex;flex-direction:column;gap:var(--sp-3)}
.footer-col a{
  font-size:14.5px;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.qr{
  margin-top:var(--sp-4);
  width:112px;height:112px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:var(--ink-3);
  border:1px dashed var(--line);
  border-radius:var(--r-sm);
  background:
    repeating-linear-gradient(45deg,rgba(139,143,141,.10) 0 6px,transparent 6px 12px);
  line-height:1.6;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-3);
  margin-top:var(--sp-7);
  padding-top:var(--sp-4);
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ============ 移动底部条 ============ */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;
  padding:0 14px;
  background:rgba(246,244,239,.98);
  border-top:1px solid var(--line);
  align-items:center;gap:var(--sp-3);
}
.mobile-bar select{
  flex:1;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  padding:0 10px;
  font-size:14px;
  color:var(--ink);
}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px}

/* ============ 滚动渐显 ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .venue-grid{grid-template-columns:repeat(8,1fr)}
  .venue-card{grid-column:span 4}
  .venue-card:nth-child(1),.venue-card:nth-child(2){grid-column:span 4}
  .venue-card:nth-child(3),.venue-card:nth-child(4),.venue-card:nth-child(5){grid-column:span 4}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .container{padding:0 22px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(320px,84vw);
    background:var(--surface);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:var(--sp-4);
    padding:88px var(--sp-5) var(--sp-6);
    transform:translateX(100%);
    transition:transform .3s var(--ease);
    z-index:65;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav ul li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:16px 0;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-cta{width:100%;height:48px;margin-top:var(--sp-3)}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-7)}
  .hero-media{max-width:520px}
  .hero-media img{aspect-ratio:16/10}
  .download-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6)}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:60px 0}
  .section-sm{padding:56px 0}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:58px}
  .hero{padding:40px 0 48px}
  .hero h1{font-size:clamp(28px,7vw,38px)}
  .hero-meta{grid-template-columns:1fr 1fr}
  .hero-meta li{border-right:0;border-bottom:1px solid var(--line);padding-right:0}
  .hero-meta li:nth-child(odd){border-right:1px solid var(--line);padding-right:var(--sp-4)}
  .hero-meta li:nth-last-child(-n+2){border-bottom:0}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:var(--sp-5) var(--sp-4);border-right:0}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .tl-item{grid-template-columns:1fr;padding-bottom:var(--sp-4)}
  .tl-time{text-align:left;padding:0 0 8px;font-size:14px}
  .tl-axis{display:none}
  .venue-grid{grid-template-columns:1fr}
  .venue-card,.venue-card:nth-child(1),.venue-card:nth-child(2),
  .venue-card:nth-child(3),.venue-card:nth-child(4),.venue-card:nth-child(5){grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .faq-a p{padding-right:0}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .download-item{flex-wrap:wrap;gap:var(--sp-3)}
  .download-item .btn{width:100%}
}
@media (max-width:479px){
  .container{padding:0 18px}
  .hero h1{font-size:28px;line-height:1.2}
  .section-title{font-size:24px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch;gap:var(--sp-4)}
  .btn-link{width:auto}
  .tl-card{padding:var(--sp-4)}
  .tl-card h3{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
/* ============================================================
   设计令牌
   ============================================================ */
:root{
  --brand:#B4472A;
  --brand-dk:#8C3420;
  --accent:#1D4A43;
  --accent-lt:#3F7A6E;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEBE3;
  --ink:#16181A;
  --ink-2:#5C5F5E;
  --ink-3:#8B8F8D;
  --line:#E2DDD4;
  --line-2:#D3CCC0;
  --dark:#14181A;
  --dark-line:#2A302F;
  --ok:#2F7A5C;
  --warn:#C98A16;
  --err:#B3352B;
  --info:#2C5F7A;
  --r-xs:2px;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-1:0 1px 0 rgba(20,24,26,.04);
  --sh-2:0 12px 28px -18px rgba(20,24,26,.35);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px; --sp-10:128px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============================================================
   基础 reset
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{cursor:pointer;background:none;border:0;padding:0}
select{-webkit-appearance:none;appearance:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:2px}
::selection{background:rgba(180,71,42,.18)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:.01em}

/* ============================================================
   容器 / 排版
   ============================================================ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-9) 0}
.section-alt{background:var(--surface-2)}
.section-dark{background:var(--dark);color:#EDEAE4}
.section-head{max-width:780px;margin-bottom:var(--sp-7)}
.section-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head p{margin-top:var(--sp-4);color:var(--ink-2);font-size:17px;line-height:1.85}
.section-dark .section-head h2{color:#FFFFFF}
.section-dark .section-head p{color:#A9B0AE}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);margin-bottom:var(--sp-4);text-transform:uppercase;
}
.section-dark .eyebrow{color:#E08A70}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  border:1px solid transparent;font-size:15px;font-weight:600;
  white-space:nowrap;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#FFFFFF}
.btn-primary::after{content:"→";display:inline-block;font-weight:600;transition:transform .2s var(--ease)}
.btn-primary:hover{background:var(--brand-dk)}
.btn-primary:hover::after{transform:translateX(3px)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(180,71,42,.07)}
.btn-light{background:#FFFFFF;color:var(--dark)}
.btn-light:hover{background:#EFEBE3}
.btn-outline-light{border-color:rgba(255,255,255,.4);color:#FFFFFF}
.btn-outline-light:hover{border-color:#FFFFFF;background:rgba(255,255,255,.08)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn.is-loading{pointer-events:none;opacity:.75}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--brand);border-bottom:1px solid currentColor;padding-bottom:4px;
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.btn-link:hover{color:var(--brand-dk);gap:10px}

/* ============================================================
   徽章 / 标签
   ============================================================ */
.badge{
  display:inline-block;border-radius:var(--r-xs);padding:4px 10px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(63,122,110,.14);color:var(--accent);
}
.badge-warm{background:rgba(180,71,42,.12);color:var(--brand-dk)}
.tag{
  display:inline-block;border:1px solid var(--line-2);border-radius:var(--r-xs);
  padding:6px 12px;font-size:13px;color:var(--ink-2);background:var(--surface);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:var(--accent-lt);color:var(--accent)}

/* ============================================================
   头部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(246,244,239,.98)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);
  height:72px;transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em}
.logo-mark{
  width:30px;height:30px;flex:0 0 30px;border:1.5px solid var(--brand);border-radius:50%;
  display:grid;place-items:center;color:var(--brand);font-size:14px;font-weight:800;
  line-height:1;font-variant-numeric:tabular-nums;
}
.logo-text{color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:var(--sp-6)}
.main-nav ul{display:flex;align-items:center;gap:var(--sp-6)}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;letter-spacing:.02em;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;border-radius:var(--r-sm);
  border:1px solid var(--line);
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
body.nav-open::after{
  content:"";position:fixed;inset:0;background:rgba(20,24,26,.42);z-index:70;
}

/* ============================================================
   页面首屏
   ============================================================ */
.page-hero{position:relative;background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.08;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:var(--sp-5) 0 0;font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb [aria-current]{color:var(--ink-2)}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:var(--sp-8);
  align-items:center;padding:var(--sp-7) 0 var(--sp-9);
}
.hero-copy h1{
  font-size:clamp(32px,4.2vw,56px);font-weight:800;line-height:1.1;
  letter-spacing:-.02em;margin-bottom:var(--sp-5);
}
.hero-copy .lede{
  font-size:18px;line-height:1.85;color:var(--ink-2);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-4);margin-top:var(--sp-6)}
.hero-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.hero-figure img{width:100%;aspect-ratio:4/5;object-fit:cover}

/* ============================================================
   数据条
   ============================================================ */
.stats{background:var(--bg);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:var(--sp-6) var(--sp-5)}
.stat:first-child{padding-left:0}
.stat + .stat{border-left:1px solid var(--line)}
.stat-num{font-size:clamp(26px,2.8vw,38px);font-weight:800;line-height:1.15;color:var(--ink)}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{margin-top:6px;font-size:13px;color:var(--ink-3);letter-spacing:.05em}

/* ============================================================
   嘉宾错位网格
   ============================================================ */
.speaker-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--sp-5)}
.sp{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.sp:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.sp-n{grid-column:span 2}
.sp-w{grid-column:span 4;display:grid;grid-template-columns:44% 1fr}
.sp-media{position:relative;overflow:hidden;background:var(--surface-2);min-height:180px}
.sp-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .45s var(--ease)}
.sp-w .sp-media img{aspect-ratio:auto;min-height:280px}
.sp:hover .sp-media img{transform:scale(1.03)}
.sp-media .sp-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:10px 14px;
  background:linear-gradient(to top,rgba(20,24,26,.72),rgba(20,24,26,0));
  color:#FFFFFF;font-size:13px;line-height:1.5;
  transform:translateY(100%);transition:transform .3s var(--ease);
}
.sp:hover .sp-media .sp-overlay{transform:translateY(0)}
.sp-body{padding:var(--sp-5);display:flex;flex-direction:column;gap:8px;flex:1}
.sp-name{font-size:20px;font-weight:700;line-height:1.35}
.sp-role{font-size:14px;color:var(--ink-3)}
.sp-topic{font-size:15px;color:var(--ink-2);line-height:1.7;margin-top:auto;padding-top:var(--sp-3);border-top:1px solid var(--line)}

/* ============================================================
   议题方向标签组
   ============================================================ */
.topic-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--sp-7);display:grid;grid-template-columns:300px 1fr;gap:var(--sp-7);
}
.topic-panel h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:var(--sp-3)}
.topic-panel .hint{font-size:14px;color:var(--ink-3);line-height:1.8}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;align-content:flex-start}
.tag-group .tag{font-size:14px;padding:8px 14px}

/* ============================================================
   议题分组（大序号）
   ============================================================ */
.track-list{border-top:1px solid var(--line)}
.track{
  display:grid;grid-template-columns:120px 1fr;gap:var(--sp-6);
  padding:var(--sp-7) 0;border-bottom:1px solid var(--line);
  transition:background .25s var(--ease);
}
.track:hover{background:rgba(180,71,42,.03)}
.track-num{
  font-size:44px;font-weight:800;line-height:1;color:var(--line-2);
  letter-spacing:-.03em;transition:color .25s var(--ease);
}
.track:hover .track-num{color:var(--brand)}
.track h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:10px}
.track p{color:var(--ink-2);font-size:16px;line-height:1.85;max-width:760px}
.track-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--sp-4)}
.track-tags li{
  font-size:13px;color:var(--accent);background:rgba(63,122,110,.1);
  border-radius:var(--r-xs);padding:4px 10px;
}

/* ============================================================
   对谈形式 / 流程
   ============================================================ */
.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5)}
.format-card{
  background:rgba(255,255,255,.04);border:1px solid var(--dark-line);
  border-radius:var(--r-md);padding:var(--sp-6);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.format-card:hover{border-color:rgba(224,138,112,.5);background:rgba(255,255,255,.06)}
.format-card .fmt-time{
  font-size:13px;letter-spacing:.1em;color:#E08A70;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.format-card h3{margin-top:var(--sp-4);font-size:21px;font-weight:700;color:#FFFFFF;line-height:1.4}
.format-card p{margin-top:var(--sp-3);font-size:15px;line-height:1.85;color:#A9B0AE}

/* ============================================================
   引用 / 现场反馈
   ============================================================ */
.quote-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-8);align-items:center}
.quote{
  border-left:3px solid var(--brand);background:var(--surface-2);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:var(--sp-6) var(--sp-7);
}
.quote p{font-size:19px;line-height:1.8;color:var(--ink)}
.quote footer{margin-top:var(--sp-4);font-size:14px;color:var(--ink-3)}
.fact-list li{
  display:flex;gap:var(--sp-4);padding:var(--sp-4) 0;border-bottom:1px solid var(--line);
}
.fact-list li:first-child{padding-top:0}
.fact-list .fact-num{
  font-size:15px;font-weight:700;color:var(--brand);min-width:34px;
  font-variant-numeric:tabular-nums;
}
.fact-list .fact-text{font-size:15px;color:var(--ink-2);line-height:1.8}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list{border-top:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);
  padding:var(--sp-5) var(--sp-6);text-align:left;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{color:var(--brand);background:rgba(180,71,42,.03)}
.faq-icon{
  position:relative;width:18px;height:18px;flex:0 0 18px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:1px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 var(--sp-6) var(--sp-5);font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:820px;
}

/* ============================================================
   报名 CTA
   ============================================================ */
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-8);align-items:start}
.cta-copy h2{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.01em;color:#FFFFFF}
.cta-copy p{margin-top:var(--sp-4);font-size:16px;line-height:1.85;color:#A9B0AE;max-width:520px}
.cta-points{margin-top:var(--sp-6);display:flex;flex-direction:column;gap:var(--sp-3)}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#D6D2CA}
.cta-points li::before{content:"—";color:#E08A70;font-weight:700}
.signup-form{
  background:rgba(255,255,255,.05);border:1px solid var(--dark-line);
  border-radius:var(--r-lg);padding:var(--sp-7);
}
.signup-form .form-title{font-size:20px;font-weight:700;color:#FFFFFF;margin-bottom:6px}
.signup-form .form-sub{font-size:14px;color:#A9B0AE;margin-bottom:var(--sp-5)}
.field{margin-bottom:var(--sp-4)}
.field label{display:block;font-size:13px;letter-spacing:.05em;color:#A9B0AE;margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--dark-line);background:rgba(20,24,26,.5);color:#FFFFFF;
  transition:border-color .2s var(--ease);
}
.field input::placeholder{color:#7E8583}
.field input:focus,.field select:focus{border-color:var(--brand);outline:2px solid var(--brand);outline-offset:0}
.field select{background-image:linear-gradient(45deg,transparent 50%,#A9B0AE 50%),linear-gradient(135deg,#A9B0AE 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field .error-text{display:none;margin-top:6px;font-size:13px;color:#E58E86}
.field.has-error input,.field.has-error select{border-color:var(--err)}
.field.has-error .error-text{display:block}
.form-note{margin-top:var(--sp-4);font-size:13px;color:#8E9694;line-height:1.7}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:var(--sp-9) 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-7);padding-bottom:var(--sp-8)}
.footer-brand p{margin-top:var(--sp-4);font-size:15px;color:var(--ink-2);line-height:1.85;max-width:340px}
.socials{display:flex;gap:var(--sp-5);margin-top:var(--sp-5)}
.socials a{font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line-2);padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.socials a:hover{color:var(--brand);border-color:var(--brand)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:var(--sp-4)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14.5px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact ul li{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:8px}
.footer-contact .qr{
  margin-top:var(--sp-4);width:108px;height:108px;border:1px solid var(--line-2);
  border-radius:var(--r-sm);display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:var(--ink-3);
  background:repeating-linear-gradient(45deg,transparent 0 6px,rgba(226,221,212,.5) 6px 7px);
}
.footer-bottom{
  border-top:1px solid var(--line);padding:var(--sp-5) 0;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ============================================================
   移动端底部条
   ============================================================ */
.mobile-bar{display:none}

/* ============================================================
   滚动渐显
   ============================================================ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.speaker-grid .reveal:nth-child(2){transition-delay:.06s}
.speaker-grid .reveal:nth-child(3){transition-delay:.12s}
.speaker-grid .reveal:nth-child(4){transition-delay:.18s}
.speaker-grid .reveal:nth-child(5){transition-delay:.24s}
.speaker-grid .reveal:nth-child(6){transition-delay:.3s}
.format-grid .reveal:nth-child(2){transition-delay:.08s}
.format-grid .reveal:nth-child(3){transition-delay:.16s}

/* ============================================================
   响应式：1024–1279
   ============================================================ */
@media (max-width:1279px){
  .hero-grid{gap:var(--sp-7)}
  .topic-panel{grid-template-columns:260px 1fr;gap:var(--sp-6)}
  .track{grid-template-columns:96px 1fr}
  .track-num{font-size:38px}
}

/* ============================================================
   响应式：768–1023 平板
   ============================================================ */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;z-index:80;
    height:100vh;width:min(320px,86vw);
    background:var(--surface);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:88px 24px 32px;overflow-y:auto;
    transform:translateX(100%);
    transition:transform .3s var(--ease);
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav ul li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:16px 0;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-cta{width:100%;margin-top:var(--sp-5);height:48px;font-size:15px}
  .page-hero::before{opacity:.06}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-7);padding-bottom:var(--sp-8)}
  .hero-copy .lede{max-width:none}
  .hero-figure{max-width:520px}
  .hero-figure img{aspect-ratio:16/10}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:var(--sp-5) var(--sp-5)}
  .stat:nth-child(odd){padding-left:0;border-left:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .speaker-grid{grid-template-columns:repeat(4,1fr)}
  .sp-n{grid-column:span 2}
  .sp-w{grid-column:span 4;grid-template-columns:40% 1fr}
  .sp-w .sp-media img{min-height:240px}
  .topic-panel{grid-template-columns:1fr;gap:var(--sp-5);padding:var(--sp-6)}
  .track{grid-template-columns:72px 1fr;gap:var(--sp-5)}
  .format-grid{grid-template-columns:1fr 1fr}
  .quote-wrap{grid-template-columns:1fr;gap:var(--sp-7)}
  .cta-grid{grid-template-columns:1fr;gap:var(--sp-7)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6)}
}

/* ============================================================
   响应式：≤767 手机
   ============================================================ */
@media (max-width:767px){
  body{padding-bottom:56px;font-size:16px;line-height:1.92}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:var(--sp-6)}
  .hero-grid{padding:var(--sp-6) 0 var(--sp-7)}
  .hero-copy h1{font-size:clamp(28px,8vw,38px)}
  .hero-copy .lede{font-size:16.5px}
  .hero-actions{gap:var(--sp-3)}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{padding:var(--sp-4) var(--sp-4)}
  .speaker-grid{grid-template-columns:1fr}
  .sp-n,.sp-w{grid-column:span 1}
  .sp-w{grid-template-columns:1fr}
  .sp-w .sp-media img{min-height:200px;aspect-ratio:16/10}
  .sp-media .sp-overlay{transform:none;position:static;background:none;color:var(--ink-3);padding:10px var(--sp-5) 0}
  .sp-media img{aspect-ratio:16/10}
  .track{grid-template-columns:1fr;gap:var(--sp-3);padding:var(--sp-6) 0}
  .track-num{font-size:32px}
  .format-grid{grid-template-columns:1fr}
  .quote{padding:var(--sp-5)}
  .quote p{font-size:17px}
  .faq-q{padding:var(--sp-4) var(--sp-5);font-size:16px}
  .faq-a p{padding:0 var(--sp-5) var(--sp-4);font-size:15px}
  .signup-form{padding:var(--sp-5)}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-6);padding-bottom:var(--sp-6)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .mobile-bar{
    display:flex;align-items:center;gap:10px;
    position:fixed;left:0;right:0;bottom:0;height:56px;z-index:55;
    padding:0 14px;background:rgba(255,255,255,.98);
    border-top:1px solid var(--line);box-shadow:0 -6px 20px -16px rgba(20,24,26,.5);
  }
  .mobile-bar select{
    flex:1;height:38px;padding:0 10px;font-size:13px;
    border:1px solid var(--line-2);border-radius:var(--r-sm);background:#FFFFFF;
    background-image:linear-gradient(45deg,transparent 50%,#8B8F8D 50%),linear-gradient(135deg,#8B8F8D 50%,transparent 50%);
    background-position:calc(100% - 16px) 16px,calc(100% - 11px) 16px;
    background-size:5px 5px,5px 5px;background-repeat:no-repeat;
  }
  .mobile-bar .btn{height:38px;padding:0 16px;font-size:13px}
  .mobile-bar .btn-primary::after{display:none}
}

/* ============================================================
   响应式：≤479 小屏
   ============================================================ */
@media (max-width:479px){
  .logo-text{font-size:17px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0 !important;padding-left:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .tag-group .tag{font-size:13px;padding:6px 10px}
  .track-num{font-size:28px}
}

/* ============================================================
   降低动效
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .sp-media .sp-overlay{transform:none}
}

/* roulang page: category3 */
/* ============ 设计令牌 ============ */
:root{
  --brand:#B4472A;
  --brand-dk:#8C3420;
  --brand-soft:rgba(180,71,42,.08);
  --accent:#1D4A43;
  --accent-lt:#3F7A6E;
  --accent-soft:rgba(63,122,110,.12);
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#FBFAF7;
  --dark:#14181A;
  --line:#E2DDD4;
  --line-2:#2A302F;
  --ink:#16181A;
  --ink-2:#5C5F5E;
  --ink-3:#8B8F8D;
  --ok:#2F7A5C;
  --warn:#C98A16;
  --err:#B3352B;
  --info:#2C5F7A;
  --r-xs:2px;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --sh-1:0 1px 0 rgba(20,24,26,.04);
  --sh-2:0 12px 28px -18px rgba(20,24,26,.35);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px; --sp-10:128px;
  --container:1240px;
  --ff:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --ff-serif:"Songti SC","Source Han Serif SC",Georgia,serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,picture,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-xs)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ 布局容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-9) 0}
.section--tight{padding:var(--sp-8) 0}
.section--dark{background:var(--dark);color:#EFEDE8}
.section--dark .section-sub,.section--dark .eyebrow{color:#A9AFAD}
.section--alt{background:var(--surface)}

.section-head{max-width:720px;margin-bottom:var(--sp-7)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--accent-lt);
  font-weight:600;
  margin-bottom:var(--sp-3);
  text-transform:uppercase;
}
h2{font-size:clamp(24px,2.6vw,36px);font-weight:700}
.section-sub{margin-top:var(--sp-4);color:var(--ink-2);font-size:16px;line-height:1.85}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(246,244,239,.98)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}

.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:32px;height:32px;flex:none;
  display:grid;place-items:center;
  border:1.5px solid var(--brand);
  border-radius:var(--r-sm);
  color:var(--brand);
  font-size:16px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.logo-text{font-size:17px}

.main-nav{display:flex;align-items:center;gap:32px}
.main-nav ul{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--brand);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);margin:3px auto;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,24,26,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:75;
}
body.nav-open .nav-overlay{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn .arw{transition:transform .2s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dk);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-light{background:#F6F4EF;color:var(--ink)}
.btn-light:hover{background:#fff}
.btn-outline-light{border-color:rgba(246,244,239,.4);color:#F6F4EF;background:transparent}
.btn-outline-light:hover{border-color:#F6F4EF;background:rgba(246,244,239,.08)}
.btn-block{width:100%}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid currentColor;padding-bottom:2px;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.link-arrow:hover{gap:10px;color:var(--brand-dk)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:var(--r-xs);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-brand{background:var(--brand-soft);color:var(--brand-dk)}
.badge-ok{background:rgba(47,122,92,.12);color:var(--ok)}
.badge-warn{background:rgba(201,138,22,.14);color:var(--warn)}
.badge-info{background:rgba(44,95,122,.12);color:var(--info)}

/* ============ 内页 Banner ============ */
.page-hero{
  position:relative;
  padding:var(--sp-8) 0 var(--sp-9);
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(246,244,239,.96),rgba(246,244,239,.99)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.page-hero-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:var(--sp-6)}
.breadcrumb{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--sp-8);align-items:center}
.page-hero h1{font-size:clamp(32px,4.2vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.page-hero .lead{margin-top:var(--sp-5);font-size:17px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:var(--sp-6)}
.hero-meta{display:flex;flex-wrap:wrap;gap:0;margin-top:var(--sp-7);border-top:1px solid var(--line)}
.hero-meta li{
  flex:1 1 140px;
  padding:var(--sp-4) var(--sp-4) var(--sp-3) 0;
  font-size:14px;color:var(--ink-2);
  border-right:1px solid var(--line);
}
.hero-meta li:last-child{border-right:none}
.hero-meta strong{display:block;font-size:22px;color:var(--ink);margin-bottom:2px}
.hero-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media figcaption{padding:12px 16px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line)}

/* ============ 数据条 ============ */
.stats-band{background:var(--surface);border-bottom:1px solid var(--line)}
.stats-band ul{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-band li{padding:var(--sp-6) var(--sp-5);border-right:1px solid var(--line)}
.stats-band li:last-child{border-right:none}
.stats-band .k{font-size:12px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:8px}
.stats-band .v{font-size:26px;font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.stats-band .d{font-size:14px;color:var(--ink-2);margin-top:4px}

/* ============ 票种对比 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);align-items:start}
.tier-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:var(--sp-6);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tier-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:0;background:var(--brand);
  border-radius:0 var(--r-xs) var(--r-xs) 0;transition:width .2s var(--ease);
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6CFC3}
.tier-card:hover::before{width:3px}
.tier-card.is-featured{
  background:var(--accent);
  color:#F1EFE9;
  border-color:var(--accent);
  margin-top:-20px;
  padding-top:var(--sp-7);
  box-shadow:0 18px 40px -26px rgba(20,24,26,.6);
}
.tier-card.is-featured .tier-name,.tier-card.is-featured .tier-price{color:#fff}
.tier-card.is-featured .tier-desc,.tier-card.is-featured .tier-spec{color:#C6D2CE}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.tier-name{font-size:19px;font-weight:700}
.tier-price{margin-top:var(--sp-4);font-size:40px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink)}
.tier-price small{font-size:15px;font-weight:600;color:var(--ink-3);margin-left:6px}
.tier-card.is-featured .tier-price small{color:#B9C7C3}
.tier-desc{margin-top:var(--sp-3);font-size:14px;color:var(--ink-2);min-height:44px}
.tier-divide{height:1px;background:var(--line);margin:var(--sp-5) 0}
.tier-card.is-featured .tier-divide{background:var(--line-2)}
.tier-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;padding:6px 0;line-height:1.65}
.tier-list .mk{flex:none;width:18px;text-align:center;font-weight:700}
.tier-list .yes .mk{color:var(--ok)}
.tier-list .no{color:var(--ink-3)}
.tier-list .no .mk{color:var(--ink-3)}
.tier-card.is-featured .tier-list .yes .mk{color:#7FD0AE}
.tier-card.is-featured .tier-list .no{color:#9FB0AB}
.tier-card.is-featured .tier-list .no .mk{color:#9FB0AB}
.tier-foot{margin-top:var(--sp-6)}
.tier-note{margin-top:var(--sp-6);font-size:14px;color:var(--ink-2);border-left:3px solid var(--accent-lt);padding-left:14px}

/* ============ 购票流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);position:relative}
.flow::before{content:"";position:absolute;left:0;right:0;top:26px;height:1px;background:var(--line)}
.flow-step{position:relative;background:transparent;padding-top:0}
.flow-num{
  position:relative;z-index:1;
  width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);
  font-size:15px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.flow-step:hover .flow-num{border-color:var(--brand);transform:translateY(-2px)}
.flow-step h3{margin-top:var(--sp-5);font-size:19px;font-weight:600}
.flow-step p{margin-top:var(--sp-3);font-size:15px;color:var(--ink-2)}
.flow-step .flow-tag{margin-top:var(--sp-4);display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--accent-lt)}

/* ============ 参会须知 ============ */
.notice-wrap{display:grid;grid-template-columns:1.4fr .9fr;gap:var(--sp-8);align-items:start}
.notice-group{border-top:1px solid var(--line);padding:var(--sp-5) 0}
.notice-group:last-child{padding-bottom:0}
.notice-group h3{font-size:19px;font-weight:600;display:flex;align-items:baseline;gap:12px}
.notice-group h3 .idx{font-size:13px;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.notice-group ul{margin-top:var(--sp-4);display:grid;gap:10px}
.notice-group li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.8}
.notice-group li::before{content:"";flex:none;width:5px;height:5px;margin-top:11px;background:var(--accent-lt);border-radius:1px}
.notice-aside{position:sticky;top:100px;display:grid;gap:var(--sp-5)}
.aside-figure{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface)}
.aside-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.aside-figure figcaption{padding:12px 16px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line)}
.aside-card{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:var(--sp-5);
}
.aside-card h4{font-size:16px;font-weight:700}
.aside-card p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.aside-card dl{margin:var(--sp-4) 0 0;display:grid;gap:10px}
.aside-card dt{font-size:12px;letter-spacing:.1em;color:var(--ink-3)}
.aside-card dd{margin:0;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;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;
  background:none;border:0;cursor:pointer;
  padding:20px 0;
  min-height:60px;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:none;width:24px;height:24px;position:relative;
  border:1px solid var(--line);border-radius:var(--r-xs);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-2);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.5px}
.faq-icon::after{width:1.5px;height:10px;transition:opacity .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(90deg);border-color:var(--brand)}
.faq-item.is-open .faq-icon::before{background:var(--brand)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 44px 24px 0;font-size:16px;line-height:1.9;color:var(--ink-2)}

/* ============ 报名 CTA / 表单 ============ */
.cta-block{background:var(--dark);color:#EFEDE8;padding:var(--sp-9) 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-8);align-items:start}
.cta-block h2{color:#fff;font-size:clamp(24px,2.8vw,38px)}
.cta-block .section-sub{color:#A9AFAD;max-width:480px}
.cta-points{margin-top:var(--sp-6);display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#C9CFCD}
.cta-points li::before{content:"";flex:none;width:5px;height:5px;margin-top:11px;background:var(--brand);border-radius:1px}
.form-card{
  background:#1A1F21;
  border:1px solid var(--line-2);
  border-radius:var(--r-md);
  padding:var(--sp-6);
}
.form-card h3{font-size:18px;color:#fff}
.form-card .form-hint{margin-top:8px;font-size:13px;color:#8F9694}
.field{margin-top:var(--sp-5)}
.field label{display:block;font-size:13px;letter-spacing:.06em;color:#9AA19F;margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;
  padding:0 14px;
  background:#101416;
  border:1px solid var(--line-2);
  border-radius:var(--r-sm);
  color:#F1EFE9;
  font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:#7C8381}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);background:#0D1113;box-shadow:none}
.field input:focus-visible,.field select:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
.field.has-error input,.field.has-error select{border-color:var(--err)}
.field .err-msg{display:none;margin-top:6px;font-size:13px;color:#E58C84}
.field.has-error .err-msg{display:block}
.form-card .btn{margin-top:var(--sp-6)}
.form-note{margin-top:var(--sp-4);font-size:13px;color:#8F9694}
.form-success{
  display:none;
  margin-top:var(--sp-4);
  padding:12px 14px;
  border:1px solid rgba(47,122,92,.5);
  background:rgba(47,122,92,.14);
  color:#9BD8BC;
  border-radius:var(--r-sm);
  font-size:14px;
}
.form-success.is-shown{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:var(--sp-9) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:var(--sp-7)}
.footer-brand p{margin-top:var(--sp-4);font-size:15px;color:var(--ink-2);max-width:330px}
.socials{display:flex;gap:18px;margin-top:var(--sp-5)}
.socials a{font-size:14px;color:var(--ink-2);border-bottom:1px solid transparent;padding-bottom:2px;transition:color .2s var(--ease),border-color .2s var(--ease)}
.socials a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--ink);margin-bottom:var(--sp-5)}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:15px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{font-size:15px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.qr{
  margin-top:var(--sp-5);
  width:110px;height:110px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  display:grid;place-items:center;
  text-align:center;
  font-size:12px;color:var(--ink-3);line-height:1.6;
  background:repeating-linear-gradient(45deg,rgba(226,221,212,.5) 0 2px,transparent 2px 6px);
}
.footer-bottom{
  margin-top:var(--sp-8);
  border-top:1px solid var(--line);
  padding:var(--sp-5) 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ============ 移动端固定报名条 ============ */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;
  padding:0 12px;
  background:rgba(246,244,239,.98);
  border-top:1px solid var(--line);
  align-items:center;gap:10px;
}
.mobile-bar select{height:40px;flex:1;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);padding:0 10px;font-size:14px}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:14px}

/* ============ 滚动渐显 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:var(--sp-7)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:var(--sp-7)}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:1023px){
  .header-inner{height:64px}
  .nav-toggle{display:grid}
  .main-nav{
    position:fixed;top:0;right:0;
    height:100vh;width:min(320px,86vw);
    background:var(--surface);
    border-left:1px solid var(--line);
    padding:88px 24px 32px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    z-index:78;
    overflow-y:auto;
  }
  body.nav-open .main-nav{transform:none}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .main-nav li{border-bottom:1px solid var(--line)}
  .nav-link{display:block;padding:16px 0;font-size:16px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-cta{margin-top:24px;width:100%}
  .page-hero{padding:var(--sp-7) 0 var(--sp-8)}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-7)}
  .hero-media{order:-1}
  .stats-band ul{grid-template-columns:repeat(2,1fr)}
  .stats-band li:nth-child(2n){border-right:none}
  .stats-band li:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .tier-grid{grid-template-columns:1fr;gap:var(--sp-5)}
  .tier-card.is-featured{margin-top:0}
  .flow{grid-template-columns:repeat(2,1fr);gap:var(--sp-7) var(--sp-5)}
  .flow::before{display:none}
  .notice-wrap{grid-template-columns:1fr;gap:var(--sp-7)}
  .notice-aside{position:static;grid-template-columns:1fr 1fr;display:grid}
  .cta-grid{grid-template-columns:1fr;gap:var(--sp-7)}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.92}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .page-hero h1{font-size:clamp(28px,7vw,38px)}
  .page-hero .lead{font-size:16px}
  .hero-meta li{flex:1 1 50%;border-right:none;border-bottom:1px solid var(--line);padding-right:0}
  .hero-meta li:nth-child(odd){border-right:1px solid var(--line);padding-right:16px}
  .stats-band li{padding:var(--sp-5) var(--sp-4)}
  .stats-band .v{font-size:22px}
  .tier-price{font-size:34px}
  .flow{grid-template-columns:1fr}
  .flow-num{width:44px;height:44px;font-size:14px}
  .notice-aside{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:18px 0}
  .faq-a p{padding-right:0}
  .cta-block{padding:56px 0}
  .form-card{padding:var(--sp-5)}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-6)}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .hero-actions .btn{width:100%}
}
@media (max-width:479px){
  .page-hero h1{font-size:26px}
  h2{font-size:22px}
  .tier-card{padding:var(--sp-5)}
  .btn{width:100%}
  .hero-actions{gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{transform:none;opacity:1}
  html{scroll-behavior:auto}
}