/* roulang page: index */
:root{
  --brand:#2FD3BF;
  --brand-hover:#21BFAE;
  --brand-active:#17A897;
  --brand-ink:#0E8C7E;
  --violet:#7C5CFF;
  --gold:#FFC46B;
  --ink-900:#0E0A1F;
  --ink-800:#1A1436;
  --ink-700:#221A45;
  --paper:#FBFAFE;
  --card:#FFFFFF;
  --tint:#F3F1FB;
  --text-900:#191333;
  --text-600:#5B5478;
  --text-400:#8A83A6;
  --dt-1:#F3F1FB;
  --dt-2:#A9A3C4;
  --dt-3:#7A7398;
  --line:rgba(25,19,51,.09);
  --line-strong:rgba(25,19,51,.16);
  --line-dark:rgba(255,255,255,.10);
  --line-dark-2:rgba(255,255,255,.18);
  --success:#3FD68C;
  --warn:#FF8A5B;
  --danger:#FF6B6B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-xs:10px;
  --shadow:0 8px 24px rgba(25,19,51,.07);
  --shadow-hover:0 12px 32px rgba(25,19,51,.10);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease);}
a:hover{color:var(--brand-ink);}
h1,h2,h3,h4,p,dl,dd,dt,ol,ul,figure{margin:0;padding:0;}
ol,ul{list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tint{background:var(--tint);}
.section-dark{background:var(--ink-900);color:var(--dt-1);}
.dot-grid{
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:12px 12px;
}
.section-light .dot-grid,
.dot-grid-light{
  background-image:radial-gradient(rgba(25,19,51,.06) 1px,transparent 1px);
  background-size:12px 12px;
}

/* ---------- 通用区块标题 ---------- */
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:6px 14px;border-radius:999px;
}
.section-head .eyebrow{margin-bottom:16px;}
.eyebrow--dark{background:rgba(47,211,191,.12);color:var(--brand);border:1px solid rgba(47,211,191,.28);}
.eyebrow--light{background:rgba(124,92,255,.10);color:#5B3FE0;border:1px solid rgba(124,92,255,.22);}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
h2.section-title{font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--text-600);}
.section-dark .section-sub{color:var(--dt-2);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:all 180ms var(--ease);
  white-space:nowrap;
}
.btn-lg{min-height:48px;padding:0 28px;font-size:16px;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:var(--ink-900);border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:var(--ink-900);box-shadow:0 0 0 4px rgba(47,211,191,.16);}
.btn-primary:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(1px);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand-ink);}
.btn-outline:hover{background:rgba(47,211,191,.08);color:var(--brand-ink);}
.btn-outline:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;border-color:var(--line-dark-2);color:var(--dt-1);}
.btn-outline-light:hover{border-color:var(--brand);color:var(--brand);background:rgba(47,211,191,.06);}
.btn-ghost{background:transparent;border-color:var(--line-dark-2);color:var(--dt-1);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost-light{background:#fff;border-color:var(--line-strong);color:var(--text-900);}
.btn-ghost-light:hover{border-color:var(--brand);color:var(--brand-ink);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-ink);font-weight:600;font-size:15px;}
.btn-text svg{transition:transform 180ms var(--ease);}
.btn-text:hover svg{transform:translateX(3px);}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
}
.badge--violet{background:rgba(124,92,255,.12);color:#5B3FE0;}
.badge--brand{background:rgba(47,211,191,.14);color:var(--brand-ink);}
.badge--gold{background:rgba(255,196,107,.18);color:#8A5A12;}
.badge--line{border:1px solid var(--line-strong);color:var(--text-600);background:transparent;}
.badge--line-dark{border:1px solid var(--line-dark-2);color:var(--dt-2);background:transparent;}
.badge--success{background:rgba(63,214,140,.16);color:#177A4A;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(14,10,31,.78);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.site-header.is-scrolled{background:#0E0A1F;border-bottom-color:var(--line-dark);}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:9px;background:rgba(47,211,191,.12);border:1px solid rgba(47,211,191,.30);}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:16px;font-weight:700;color:var(--dt-1);letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 14px;border-radius:var(--r-xs);
  font-size:14.5px;font-weight:500;color:var(--dt-2);
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-link:hover{color:var(--dt-1);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  position:relative;display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark-2);
  border-radius:var(--r-xs);
  transition:width 200ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.command-search:focus-within{width:340px;border-color:var(--brand);background:rgba(47,211,191,.08);}
.command-search svg{width:16px;height:16px;flex-shrink:0;color:var(--dt-3);}
.command-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  font-size:14px;color:var(--dt-1);outline:none;
}
.command-search input::placeholder{color:var(--dt-3);}
.command-search kbd{
  font-size:11px;font-family:inherit;color:var(--dt-3);
  border:1px solid var(--line-dark-2);border-radius:5px;
  padding:1px 6px;line-height:1.5;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-xs);
  border:1px solid var(--line-dark-2);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--dt-1);border-radius:2px;transition:transform 200ms var(--ease),opacity 200ms var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:120;
  background:var(--ink-800);
  border-left:1px solid var(--line-dark);
  padding:22px 20px 32px;
  transform:translateX(102%);
  transition:transform 260ms var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-xs);border:1px solid var(--line-dark-2);color:var(--dt-1);font-size:18px;line-height:1;}
.drawer .command-search{width:100%;margin-bottom:20px;}
.drawer .command-search:focus-within{width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-xs);
  font-size:15.5px;font-weight:500;color:var(--dt-2);
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--dt-1);}
.drawer-nav a.is-active{color:var(--brand);background:rgba(47,211,191,.10);}
.drawer-cta{display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(14,10,31,.6);
  opacity:0;pointer-events:none;transition:opacity 240ms var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
body.is-locked{overflow:hidden;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--dt-1);
  background:var(--ink-900);
  padding:88px 0 96px;
  min-height:620px;
  display:flex;align-items:center;
}
.hero-glow{
  position:absolute;top:-180px;right:-140px;width:680px;height:680px;
  background:radial-gradient(circle,rgba(47,211,191,.14) 0%,rgba(47,211,191,0) 68%);
  pointer-events:none;
}
.hero-glow::after{
  content:"";position:absolute;left:-520px;top:320px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(124,92,255,.12) 0%,rgba(124,92,255,0) 70%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  width:100%;
}
.hero-copy .eyebrow{margin-bottom:22px;}
.hero h1{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;
  max-width:14em;
}
.hero-sub{
  margin-top:22px;font-size:17px;line-height:1.8;color:var(--dt-2);
  max-width:36em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;margin-top:48px;padding-top:28px;
  border-top:1px solid var(--line-dark);
}
.hero-stats dt{font-size:13px;color:var(--dt-3);letter-spacing:.02em;}
.hero-stats dd{margin-top:6px;font-size:26px;font-weight:700;letter-spacing:-.01em;}
.hero-stats dd .u{font-size:14px;font-weight:500;color:var(--dt-2);margin-left:4px;}
.hero-stats .accent{color:var(--brand);}
.hero-stats .gold{color:var(--gold);}
.hero-visual{position:relative;}
.hero-visual > img{
  width:100%;aspect-ratio:6/5;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line-dark);
}
.float-card{
  position:absolute;left:-28px;bottom:-30px;
  width:min(280px,80%);
  background:var(--ink-700);
  border:1px solid var(--line-dark-2);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:0 18px 44px rgba(0,0,0,.36);
}
.float-card .fc-label{font-size:12px;letter-spacing:.06em;color:var(--dt-3);}
.float-card .fc-title{margin-top:6px;font-size:16px;font-weight:600;color:var(--dt-1);}
.float-card .fc-row{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid var(--line-dark);font-size:13px;color:var(--dt-2);}
.float-card .fc-row strong{color:var(--gold);font-size:15px;}

/* ---------- 亮点卡 ---------- */
.highlight-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.hl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.hl-card:hover{transform:translateY(-2px);border-color:rgba(47,211,191,.4);box-shadow:var(--shadow-hover);}
.hl-icon{
  width:44px;height:44px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  background:rgba(124,92,255,.10);color:#5B3FE0;margin-bottom:18px;
}
.hl-card h3{font-size:18px;font-weight:700;line-height:1.4;}
.hl-card p{margin-top:10px;font-size:14.5px;color:var(--text-600);line-height:1.75;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:940px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.20) 10%,rgba(255,255,255,.20) 90%,rgba(255,255,255,0));
  transform:translateX(-50%);
}
.tl-item{position:relative;width:50%;padding:0 44px 36px 0;text-align:right;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 36px 44px;text-align:left;}
.tl-item::after{
  content:"";position:absolute;top:8px;right:-7px;width:14px;height:14px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 5px rgba(124,92,255,.30);
}
.tl-item:nth-child(even)::after{right:auto;left:-7px;}
.tl-meta{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--dt-3);}
.tl-item:nth-child(odd) .tl-meta{flex-direction:row-reverse;}
.tl-item h3{margin-top:10px;font-size:18px;font-weight:600;line-height:1.5;color:var(--dt-1);}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tl-item:nth-child(odd) .tl-tags{justify-content:flex-end;}
.tl-item .place{font-size:13.5px;color:var(--dt-2);}

/* ---------- 讲师 ---------- */
.speaker-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.sp-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.sp-card:hover{transform:translateY(-2px);border-color:rgba(47,211,191,.4);box-shadow:var(--shadow-hover);}
.sp-card img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform 220ms var(--ease);}
.sp-card:hover img{transform:scale(1.03);}
.sp-body{padding:20px;}
.sp-body h3{font-size:17px;font-weight:700;}
.sp-role{margin-top:6px;font-size:13.5px;color:var(--text-600);}
.sp-quote{margin-top:12px;font-size:14px;line-height:1.7;color:var(--text-400);}
.sp-body .badge{margin-top:14px;}

/* ---------- 票种 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.ticket{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:32px 28px;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.ticket:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.ticket.is-featured{
  border:2px solid var(--brand);
  transform:translateY(-12px);
  box-shadow:0 16px 44px rgba(47,211,191,.16);
}
.ticket.is-featured:hover{transform:translateY(-14px);}
.ticket-flag{
  position:absolute;top:-13px;left:28px;
  background:var(--gold);color:#4A2E05;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 14px;border-radius:999px;
}
.ticket h3{font-size:19px;font-weight:700;}
.ticket .price{margin-top:14px;font-size:44px;font-weight:700;line-height:1;color:var(--gold);letter-spacing:-.02em;}
.ticket .price span{font-size:16px;font-weight:600;margin-right:2px;}
.ticket .price-note{margin-top:10px;font-size:13.5px;color:var(--text-400);}
.ticket ul{margin-top:22px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;}
.ticket li{display:flex;gap:10px;font-size:14.5px;line-height:1.65;color:var(--text-600);}
.ticket li svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--brand);}
.ticket li.muted{color:var(--text-400);}
.ticket .btn{margin-top:26px;width:100%;}

/* ---------- 报名表单 ---------- */
.signup-wrap{
  display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:start;
}
.signup-copy h2{font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--dt-1);}
.signup-copy p{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--dt-2);}
.trust-list{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.trust-list li{display:flex;gap:10px;font-size:15px;color:var(--dt-2);}
.trust-list svg{width:18px;height:18px;flex-shrink:0;margin-top:4px;color:var(--brand);}
.form-card{
  background:var(--ink-800);border:1px solid var(--line-dark-2);
  border-radius:var(--r-lg);padding:32px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--dt-2);letter-spacing:.02em;}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:10px 14px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark-2);
  border-radius:var(--r-xs);
  color:var(--dt-1);font-size:15px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
  outline:none;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--dt-2) 50%),linear-gradient(135deg,var(--dt-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px;}
.field select option{color:#191333;background:#fff;}
.field input::placeholder,.field textarea::placeholder{color:var(--dt-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:rgba(47,211,191,.08);
  box-shadow:0 0 0 3px rgba(47,211,191,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,107,107,.16);
}
.field .err{font-size:13px;color:#FF9B9B;display:none;}
.field.has-error .err{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;grid-column:1 / -1;}
.check-row input{width:18px;height:18px;min-height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0;}
.check-row label{font-size:13.5px;color:var(--dt-2);line-height:1.7;}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px;}
.form-note{font-size:13px;color:var(--dt-3);}
.form-success{
  display:none;flex-direction:column;align-items:flex-start;gap:14px;
  padding:8px 0;
}
.form-success.is-visible{display:flex;}
.form-success .ok-icon{width:52px;height:52px;border-radius:50%;background:rgba(63,214,140,.16);display:flex;align-items:center;justify-content:center;color:var(--success);}
.form-success h3{font-size:20px;font-weight:700;color:var(--dt-1);}
.form-success p{font-size:15px;color:var(--dt-2);line-height:1.8;}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(47,211,191,.4);box-shadow:var(--shadow-hover);}
.news-card__link{display:flex;flex-direction:column;height:100%;}
.news-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 220ms var(--ease);}
.news-card:hover img{transform:scale(1.03);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.news-body p{font-size:14.5px;color:var(--text-600);line-height:1.7;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.news-date{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-400);}
.news-date svg{width:14px;height:14px;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:64px 24px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
}
.empty-state svg{width:48px;height:48px;color:#8F89A8;}
.empty-state p{font-size:15px;color:var(--text-400);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color 180ms var(--ease);}
.faq-item.is-open{border-color:rgba(47,211,191,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--text-900);
}
.faq-q:hover{color:var(--brand-ink);}
.faq-q .chev{width:22px;height:22px;flex-shrink:0;color:var(--text-400);transition:transform 200ms var(--ease);}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);color:var(--brand-ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);}
.faq-a p{max-width:720px;padding:0 24px 24px;font-size:15.5px;line-height:1.8;color:var(--text-600);}

/* ---------- 次级 CTA 条 ---------- */
.cta-strip{background:var(--tint);padding:40px 0;}
.cta-strip-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 32px;
}
.cta-strip h2{font-size:22px;font-weight:700;line-height:1.4;}
.cta-strip p{margin-top:8px;font-size:14.5px;color:var(--text-600);}
.cta-strip .btn{flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--dt-2);padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-name{color:var(--dt-1);}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:var(--dt-2);max-width:30em;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--dt-1);letter-spacing:.04em;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:var(--dt-2);}
.footer-col a:hover{color:var(--brand);}
.footer-col li{font-size:14.5px;color:var(--dt-2);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--dt-3);
}
.footer-bottom a{color:var(--dt-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand);color:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(47,211,191,.30);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--brand-hover);}

/* ---------- 进入视口动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ease),transform 420ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1140px;padding:0 28px;}
  .hero-grid{grid-template-columns:6fr 6fr;gap:40px;}
  .speaker-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .highlight-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .command-search{width:220px;}
  .command-search:focus-within{width:280px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .command-search{display:none;}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:64px 0 72px;min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{order:2;}
  .float-card{position:static;width:100%;margin-top:-40px;margin-left:20px;margin-right:20px;width:calc(100% - 40px);}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
  .hero-stats dd{font-size:22px;}
  .highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ticket-grid{grid-template-columns:1fr;gap:20px;}
  .ticket.is-featured{transform:none;order:-1;}
  .ticket.is-featured:hover{transform:translateY(-2px);}
  .signup-wrap{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .speaker-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .header-inner{height:60px;gap:16px;}
  .brand-name{font-size:15px;}
  .hero h1{font-size:clamp(28px,7.6vw,36px);max-width:none;}
  .hero-sub{font-size:16px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;min-height:48px;}
  .hero-stats{grid-template-columns:1fr;gap:16px;}
  .hero-stats dd{font-size:24px;}
  .timeline::before{left:6px;transform:none;}
  .tl-item,.tl-item:nth-child(even){
    width:100%;margin-left:0;padding:0 0 28px 30px;text-align:left;
  }
  .tl-item::after,.tl-item:nth-child(even)::after{left:0;right:auto;}
  .tl-item:nth-child(odd) .tl-meta{flex-direction:row;}
  .tl-item:nth-child(odd) .tl-tags{justify-content:flex-start;}
  .highlight-grid,.news-grid,.speaker-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .form-card{padding:24px 18px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .cta-strip-inner{flex-direction:column;align-items:flex-start;padding:24px 20px;}
  .cta-strip-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{font-size:16px;padding:20px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:479px){
  .hero{padding:48px 0 56px;}
  .float-card{width:calc(100% - 24px);margin-left:12px;margin-right:12px;}
  .ticket{padding:26px 20px;}
  .ticket .price{font-size:38px;}
  .section-head{margin-bottom:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --cyan:#2FD3BF;
  --cyan-h:#21BFAE;
  --cyan-a:#17A897;
  --cyan-ink:#0E8C7E;
  --violet:#7C5CFF;
  --violet-ink:#5A3ED8;
  --gold:#FFC46B;
  --ink:#0E0A1F;
  --panel:#1A1436;
  --panel-2:#221A45;
  --bg:#FBFAFE;
  --bg-soft:#F3F1FB;
  --card:#FFFFFF;
  --t1:#191333;
  --t2:#5B5478;
  --t3:#8A83A6;
  --d1:#F3F1FB;
  --d2:#A9A3C4;
  --d3:#7A7398;
  --line:rgba(25,19,51,.09);
  --line-dark:rgba(255,255,255,.10);
  --ok:#3FD68C;
  --warn:#FF8A5B;
  --err:#FF6B6B;
  --r-lg:24px;
  --r:16px;
  --r-sm:12px;
  --r-btn:12px;
  --r-in:10px;
  --sh:0 8px 24px rgba(25,19,51,.07);
  --sh-h:0 12px 32px rgba(25,19,51,.10);
  --fm:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--fm);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--cyan-ink)}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(47,211,191,.24)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,250,254,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  background:#FBFAFE;
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(25,19,51,.05);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:26px;height:26px;display:grid;place-items:center}
.brand-mark svg{width:24px;height:24px;display:block}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--t1);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;
  border-radius:10px;font-size:14.5px;font-weight:500;color:var(--t2);
  transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--t1);background:var(--bg-soft)}
.nav-link.is-active{color:var(--cyan-ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--cyan);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
  position:relative;display:flex;align-items:center;width:260px;height:40px;
  border:1px solid var(--line);border-radius:var(--r-in);background:#fff;
  padding:0 10px 0 12px;
  transition:width .2s ease-out,border-color .2s,box-shadow .2s;
}
.command-search:focus-within{width:340px;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,191,.14)}
.command-search svg{width:16px;height:16px;flex:none;stroke:var(--t3)}
.command-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--t1);padding:0 8px;
}
.command-search input::placeholder{color:var(--t3)}
.kbd{
  flex:none;font-size:11px;line-height:1;color:var(--t3);
  border:1px solid var(--line);border-radius:6px;padding:4px 6px;background:var(--bg-soft);
}
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;border-radius:10px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
  transition:border-color .18s,background .18s;
}
.nav-toggle:hover{border-color:var(--cyan);background:rgba(47,211,191,.06)}
.nav-toggle svg{width:18px;height:18px;stroke:var(--t1);stroke-width:1.8;stroke-linecap:round}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  white-space:nowrap;cursor:pointer;
  transition:background .18s,color .18s,border-color .18s,box-shadow .18s,transform .18s;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.btn-primary{background:var(--cyan);color:var(--ink);border-color:var(--cyan)}
.btn-primary:hover{background:var(--cyan-h);border-color:var(--cyan-h);color:var(--ink);box-shadow:0 0 0 4px rgba(47,211,191,.16)}
.btn-primary:active{background:var(--cyan-a);border-color:var(--cyan-a);transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--cyan);color:var(--cyan-ink)}
.btn-outline:hover{background:rgba(47,211,191,.08);color:var(--cyan-a)}
.btn-ghost{background:transparent;border-color:rgba(25,19,51,.12);color:var(--t1)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan-ink);background:rgba(47,211,191,.06)}
.btn-light{background:#F3F1FB;color:var(--ink);border-color:#F3F1FB}
.btn-light:hover{background:#fff;color:var(--ink);box-shadow:0 0 0 4px rgba(255,255,255,.14)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%;padding:0 12px}
.btn-arrow::after{content:"→";transition:transform .18s ease-out}
.btn-arrow:hover::after{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;
}
.badge-violet{background:rgba(124,92,255,.12);color:var(--violet-ink)}
.badge-cyan{background:rgba(47,211,191,.14);color:var(--cyan-ink)}
.badge-gold{background:rgba(255,196,107,.20);color:#8A5A12}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--t2);font-weight:500}
.badge-dark{background:rgba(255,255,255,.10);color:var(--d1);border:1px solid var(--line-dark)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:34px 0 34px;
  background:
    radial-gradient(720px 320px at 88% -10%,rgba(124,92,255,.13),transparent 68%),
    radial-gradient(560px 280px at 4% 6%,rgba(47,211,191,.12),transparent 70%),
    linear-gradient(180deg,#F8F6FE 0%,#FBFAFE 100%);
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(25,19,51,.5) 1px,transparent 1px);
  background-size:13px 13px;opacity:.05;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--cyan-ink)}
.breadcrumb .sep{color:rgba(25,19,51,.22)}
.breadcrumb .current{color:var(--t1);font-weight:500}
.article-head{max-width:900px}
.article-head h1{
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.2;
  letter-spacing:-.02em;
  margin:16px 0 18px;
  overflow-wrap:anywhere;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:13.5px;color:var(--t3);font-variant-numeric:tabular-nums;
}
.article-meta li{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:15px;height:15px;flex:none;stroke:var(--t3);stroke-width:1.6;fill:none}
.article-cover{
  margin-top:30px;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-soft);
}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 24px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 240px;
  gap:56px;justify-content:center;align-items:start;
}
.article-body{
  font-size:18px;line-height:1.9;color:#2A2348;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;color:var(--t1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;
  border-radius:3px;background:var(--cyan);
}
.article-body h3{font-size:20px;line-height:1.45;margin:28px 0 12px;color:var(--t1)}
.article-body h4{font-size:17px;line-height:1.5;margin:22px 0 10px;color:var(--t1)}
.article-body ul{margin:0 0 1.2em;padding:0;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin:0 0 10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:50%;background:var(--cyan);
}
.article-body ol{list-style:decimal;margin:0 0 1.2em;padding-left:24px}
.article-body ol li{margin:0 0 10px;padding-left:6px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--cyan);border-radius:0 12px 12px 0;
  background:#F3F1FB;color:var(--t2);font-size:17px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px 0 8px;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px}
.article-body a{
  color:var(--cyan-ink);text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--cyan-a)}
.article-body strong{font-weight:700;color:var(--t1)}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:15px;white-space:nowrap;
  border:1px solid var(--line);border-radius:12px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-soft);font-weight:600}
.article-body code{background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  border:1px solid var(--line);border-radius:var(--r);background:#fff;
  padding:20px;box-shadow:var(--sh);
}
.side-card h2,.side-card h3{font-size:15px;margin:14px 0 8px;color:var(--t1)}
.side-card p{font-size:13.5px;color:var(--t2);line-height:1.75;margin-bottom:16px}
.side-card-dark{
  background:var(--ink);border-color:var(--line-dark);
  box-shadow:none;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);
  background-size:12px 12px;
}
.side-card-dark h2,.side-card-dark h3{color:var(--d1)}
.side-card-dark p{color:var(--d2)}
.side-links li{margin-bottom:12px}
.side-links li:last-child{margin-bottom:0}
.side-links a{font-size:14px;color:var(--t2);display:inline-flex;align-items:center;gap:8px}
.side-links a::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:rgba(25,19,51,.18);flex:none;transition:background .18s;
}
.side-links a:hover{color:var(--cyan-ink)}
.side-links a:hover::before{background:var(--cyan)}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed rgba(25,19,51,.16);border-radius:20px;
}
.empty-state svg{width:56px;height:56px;margin:0 auto 18px;stroke:#8F89A8;stroke-width:1.3;fill:none}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:24px}

/* ---------- 文末标签与相关推荐 ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--t2);transition:border-color .18s,color .18s,background .18s;
}
.tag:hover{border-color:var(--cyan);color:var(--cyan-ink);background:rgba(47,211,191,.06)}

.related{margin-top:56px}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-title h2{font-size:22px}
.section-title a{font-size:14px;font-weight:600;color:var(--cyan-ink);display:inline-flex;align-items:center;gap:6px}
.section-title a::after{content:"→";transition:transform .18s}
.section-title a:hover::after{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:rgba(47,211,191,.35);color:inherit}
.card-thumb{overflow:hidden;background:var(--bg-soft)}
.card-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .22s ease-out}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{
  font-size:17px;line-height:1.45;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--t2);line-height:1.7;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--t3);font-variant-numeric:tabular-nums;
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:64px;
  border-radius:var(--r-lg);background:var(--ink);color:var(--d1);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:12px 12px;opacity:.45;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;color:var(--d1)}
.cta-band p{font-size:14.5px;color:var(--d2);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--d1);padding:64px 0 28px;margin-top:80px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,211,191,.14),transparent 68%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .brand-name{color:var(--d1)}
.footer-brand p{color:var(--d2);font-size:14px;line-height:1.8;margin-top:16px;max-width:380px}
.footer-col h3{font-size:14px;color:var(--d1);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{font-size:14px;color:var(--d2);margin-bottom:10px;line-height:1.7}
.footer-col ul li a{color:var(--d2)}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--d3);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,10,31,.45);z-index:190;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:200;
  background:var(--bg);padding:20px 20px 32px;overflow-y:auto;
  transform:translateX(102%);transition:transform .24s ease-out;
  box-shadow:-12px 0 32px rgba(25,19,51,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;transition:border-color .18s,background .18s;
}
.drawer-close:hover{border-color:var(--cyan);background:rgba(47,211,191,.06)}
.drawer-close svg{width:16px;height:16px;stroke:var(--t1);stroke-width:1.8;stroke-linecap:round}
.drawer-search{width:100%;margin-bottom:16px}
.drawer-search:focus-within{width:100%}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:20px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--t2);transition:background .18s,color .18s;
}
.drawer-nav a:hover{background:var(--bg-soft);color:var(--t1)}
.drawer-nav a.is-active{color:var(--cyan-ink);font-weight:600;background:rgba(47,211,191,.10)}
.drawer-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{gap:44px}
}
@media (max-width:1150px){
  .command-search{display:none}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .article-layout{grid-template-columns:minmax(0,760px);gap:0;justify-content:center}
  .article-side{display:none}
  .article-body{font-size:17.5px;line-height:1.88}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .brand-name{font-size:16px}
  .article-hero{padding:24px 0 26px}
  .article-main{padding:40px 0 16px}
  .article-head h1{font-size:28px;margin:14px 0 16px}
  .article-cover img{aspect-ratio:4/3}
  .article-body{font-size:17px;line-height:1.85}
  .article-body h2{font-size:21px;margin:32px 0 14px}
  .article-body h3{font-size:18px;margin:24px 0 10px}
  .cta-band{margin-top:44px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 24px;margin-top:56px}
  .footer-bottom{flex-direction:column}
  .related{margin-top:40px}
}
@media (max-width:520px){
  .header-actions .btn-primary{display:none}
  .card-grid{grid-template-columns:1fr}
  .article-head h1{font-size:26px}
  .article-body{font-size:16.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --brand:#2FD3BF;
  --brand-hover:#21BFAE;
  --brand-active:#17A897;
  --brand-text:#0E8C7E;
  --violet:#7C5CFF;
  --gold:#FFC46B;
  --ink:#0E0A1F;
  --panel:#1A1436;
  --overlay:#221A45;
  --page:#FBFAFE;
  --card:#FFFFFF;
  --section:#F3F1FB;
  --t1:#191333;
  --t2:#5B5478;
  --t3:#8A83A6;
  --d1:#F3F1FB;
  --d2:#A9A3C4;
  --d3:#7A7398;
  --line:rgba(25,19,51,.09);
  --line-strong:rgba(25,19,51,.14);
  --line-dark:rgba(255,255,255,.10);
  --ok:#3FD68C;
  --warn:#FF8A5B;
  --err:#FF6B6B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-xs:10px;
  --sh:0 8px 24px rgba(25,19,51,.07);
  --sh-h:0 12px 32px rgba(25,19,51,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-xs);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-hover);box-shadow:0 0 0 4px rgba(47,211,191,.16)}
.btn-primary:active{background:var(--brand-active);transform:translateY(1px);box-shadow:none}
.btn-outline{background:transparent;color:var(--brand-text);border-color:var(--brand)}
.btn-outline:hover{background:rgba(47,211,191,.10);box-shadow:0 0 0 4px rgba(47,211,191,.12)}
.btn-outline:active{background:rgba(47,211,191,.18);transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--t2);border-color:var(--line-strong)}
.btn-ghost:hover{color:var(--t1);border-color:var(--t3);background:rgba(25,19,51,.03)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;color:var(--d1);border-color:rgba(255,255,255,.28)}
.btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
.btn-outline-light:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-text);background:none;border:0;padding:0;cursor:pointer}
.btn-text svg{transition:transform .18s var(--ease)}
.btn-text:hover svg{transform:translateX(3px)}
.btn-text:active{color:var(--brand-active)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(124,92,255,.12);color:var(--violet);
}
.badge-teal{background:rgba(47,211,191,.14);color:var(--brand-text)}
.badge-gold{background:rgba(255,196,107,.18);color:#9A6415}
.badge-neutral{background:transparent;color:var(--t2);border:1px solid var(--line-strong)}
.badge-dark{background:rgba(255,255,255,.08);color:var(--d1);border:1px solid var(--line-dark);letter-spacing:.04em}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,250,254,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(251,250,254,.98);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(25,19,51,.05);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center}
.brand-mark svg{width:24px;height:24px;display:block}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--t1)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;border-radius:8px;
  font-size:15px;color:var(--t2);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link:hover{color:var(--t1);background:rgba(25,19,51,.04)}
.nav-link.is-active{color:var(--brand-text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:260px;height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-xs);
  transition:width .22s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search:focus-within{width:340px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,211,191,.16)}
.nav-search .search-icon{width:16px;height:16px;flex-shrink:0;color:var(--t3)}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;padding:0 8px;color:var(--t1);
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search kbd{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  min-width:20px;height:20px;padding:0 5px;
  font-size:11px;font-family:inherit;color:var(--t3);
  background:var(--section);border:1px solid var(--line);border-radius:5px;
}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:var(--r-xs);
  cursor:pointer;color:var(--t1);
}
.nav-toggle:hover{background:rgba(25,19,51,.04)}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:200;
  background:#fff;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s var(--ease);
  padding:20px 20px 32px;overflow-y:auto;
  display:flex;flex-direction:column;gap:8px;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:var(--r-xs);cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;
  font-size:16px;color:var(--t1);border:1px solid transparent;
}
.drawer-link:hover{background:var(--section)}
.drawer-link.is-active{color:var(--brand-text);font-weight:600;background:rgba(47,211,191,.10)}
.drawer-search{display:flex;align-items:center;height:44px;padding:0 12px;background:var(--section);border:1px solid var(--line);border-radius:var(--r-xs);margin:8px 0}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;padding-left:8px}
.drawer-cta{display:grid;gap:10px;margin-top:14px}
.drawer-cta .btn{width:100%}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(14,10,31,.44);z-index:150;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--d1);
  padding:88px 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 420px at 84% -8%, rgba(47,211,191,.16), transparent 62%),
    radial-gradient(560px 360px at 4% 108%, rgba(124,92,255,.14), transparent 66%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:220px;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
  background-size:12px 12px;
  -webkit-mask-image:linear-gradient(to top, rgba(0,0,0,.9), transparent);
  mask-image:linear-gradient(to top, rgba(0,0,0,.9), transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.hero-copy{grid-column:span 6}
.hero-media{grid-column:6 / span 7;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  background:rgba(124,92,255,.16);color:#C7B8FF;
  border:1px solid rgba(124,92,255,.28);
}
.hero h1{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.15;letter-spacing:-.02em;font-weight:700;
  color:#FFFFFF;margin-bottom:20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--d2);max-width:52ch}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:40px;margin-top:44px;padding-top:28px;
  border-top:1px solid var(--line-dark);flex-wrap:wrap;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{
  font-size:30px;font-weight:700;line-height:1.1;color:#FFFFFF;
  font-variant-numeric:tabular-nums;
}
.hero-stats strong em{color:var(--gold);font-style:normal;font-size:18px;margin-left:2px}
.hero-stats span{font-size:13px;color:var(--d3)}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line-dark);
}
.float-card{
  position:absolute;left:-28px;bottom:28px;
  display:flex;flex-direction:column;gap:4px;
  padding:18px 22px;border-radius:var(--r-md);
  background:var(--overlay);border:1px solid var(--line-dark);
  box-shadow:0 18px 40px rgba(0,0,0,.34);
}
.float-card .float-label{font-size:12px;letter-spacing:.06em;color:var(--d3)}
.float-card strong{font-size:18px;color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.float-card .float-meta{font-size:13px;color:var(--brand)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--section)}
.section-dark{background:var(--ink);color:var(--d1);position:relative;overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size:14px 14px;pointer-events:none;
}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.01em;font-weight:700;
  margin-top:12px;
}
.section-head p{margin-top:16px;font-size:16px;line-height:1.8;color:var(--t2)}
.section-dark .section-head p{color:var(--d2)}
.section-head.center p{margin-left:auto;margin-right:auto}

/* ---------- 筛选 chip ---------- */
.filter-bar{
  position:relative;display:flex;gap:10px;overflow-x:auto;
  padding:6px 2px 14px;margin-bottom:8px;
  scrollbar-width:thin;
}
.filter-bar::-webkit-scrollbar{height:6px}
.filter-bar::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;font-size:14px;font-weight:600;
  background:#fff;color:var(--t2);border:1px solid var(--line-strong);
  cursor:pointer;transition:all .18s var(--ease);
}
.chip:hover{color:var(--t1);border-color:var(--t3)}
.chip.is-active{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.chip.is-active:hover{background:var(--brand-hover)}

/* ---------- 议程时间轴 ---------- */
.agenda{position:relative;display:grid;gap:14px}
.agenda::before{
  content:"";position:absolute;top:26px;bottom:26px;left:162px;width:1px;
  background:linear-gradient(to bottom, transparent, var(--line-strong) 6%, var(--line-strong) 94%, transparent);
}
.agenda-item{
  display:grid;grid-template-columns:132px 28px minmax(0,1fr);
  gap:16px;align-items:start;
}
.agenda-item[hidden]{display:none}
.agenda-time{
  padding-top:22px;text-align:right;
  font-variant-numeric:tabular-nums;
}
.agenda-time strong{display:block;font-size:15px;font-weight:700;color:var(--t1);line-height:1.4}
.agenda-time span{display:block;font-size:12px;color:var(--t3);margin-top:2px}
.agenda-node{position:relative;display:flex;justify-content:center;padding-top:27px}
.agenda-node i{
  display:block;width:11px;height:11px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(124,92,255,.22);
  position:relative;z-index:1;
}
.agenda-node i.is-gold{background:var(--gold);box-shadow:0 0 0 4px rgba(255,196,107,.22)}
.agenda-node i.is-violet{background:var(--violet);box-shadow:0 0 0 4px rgba(124,92,255,.22)}
.agenda-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.agenda-card:hover{border-color:rgba(47,211,191,.42);box-shadow:var(--sh);transform:translateY(-2px)}
.agenda-card h3{font-size:20px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.agenda-card p{margin-top:8px;font-size:15px;color:var(--t2);line-height:1.7}
.agenda-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.agenda-note{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:32px;padding:20px 24px;
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-md);
  font-size:14px;color:var(--t2);
}
.agenda-note strong{color:var(--t1)}
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:64px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:#fff;
}
.empty-state.is-visible{display:flex}
.empty-state svg{width:44px;height:44px;color:var(--t3)}
.empty-state p{color:var(--t2);font-size:15px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{box-shadow:var(--sh);transform:translateY(-2px);border-color:rgba(47,211,191,.4)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;margin-bottom:16px;
  background:rgba(47,211,191,.14);color:var(--brand-text);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:15px;color:var(--t2);line-height:1.7}

/* ---------- 图文说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line)}
.split-copy h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.split-copy > p{margin-top:16px;color:var(--t2);line-height:1.85}
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t2);line-height:1.7}
.check-list svg{flex-shrink:0;width:20px;height:20px;margin-top:3px;color:var(--brand)}
.check-list strong{color:var(--t1);font-weight:600}

/* ---------- 报名 CTA ---------- */
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3vw,36px);line-height:1.25;font-weight:700;color:#fff;letter-spacing:-.01em}
.cta-copy p{margin-top:16px;color:var(--d2);line-height:1.85}
.trust-list{margin-top:28px;display:grid;gap:14px}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--d2)}
.trust-list svg{flex-shrink:0;width:20px;height:20px;margin-top:3px;color:var(--brand)}
.form-card{
  background:var(--overlay);border:1px solid var(--line-dark);border-radius:var(--r-lg);
  padding:32px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.form-card h3{font-size:20px;color:#fff;font-weight:700;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--d3);margin-bottom:24px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-size:13px;color:var(--d2);font-weight:600}
.field input,.field select,.field textarea{
  height:44px;padding:0 14px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  color:#fff;font-size:15px;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--d2) 50%),linear-gradient(135deg,var(--d2) 50%,transparent 50%);background-position:calc(100% - 20px) 19px,calc(100% - 15px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{color:#191333}
.field input::placeholder,.field textarea::placeholder{color:var(--d3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,211,191,.2);background:rgba(255,255,255,.09);
}
.field.has-error input,.field.has-error select{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,107,107,.16)}
.field .err-msg{display:none;font-size:13px;color:#FF9B9B}
.field.has-error .err-msg{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;margin:4px 0 24px}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex-shrink:0}
.checkbox-row label{font-size:13px;color:var(--d2);line-height:1.6}
.checkbox-row.has-error label{color:#FF9B9B}
.form-success{
  display:none;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:36px 20px;
}
.form-success.is-visible{display:flex}
.form-success svg{width:48px;height:48px;color:var(--ok)}
.form-success h4{font-size:19px;color:#fff;font-weight:700}
.form-success p{font-size:14px;color:var(--d2);line-height:1.75}
.form-success .btn{margin-top:6px}
.form-foot{font-size:12px;color:var(--d3);margin-top:16px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item:hover{border-color:rgba(47,211,191,.4)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:20px 24px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--t1);text-align:left;
}
.faq-q .faq-icon{
  flex-shrink:0;width:22px;height:22px;color:var(--brand-text);
  transition:transform .2s var(--ease);
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{padding:0 24px 22px;max-width:720px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ---------- 次级 CTA 条 ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:32px 36px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh);
}
.cta-bar h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
.cta-bar p{margin-top:6px;font-size:14px;color:var(--t2)}
.cta-bar-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--d2);padding:72px 0 28px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:14px 14px;pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--d3);max-width:42ch}
.footer-col h3{font-size:14px;letter-spacing:.04em;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--d3);line-height:1.7}
.footer-col a{color:var(--d3);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--d3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:120;
  width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line-strong);border-radius:50%;
  color:var(--t2);cursor:pointer;box-shadow:var(--sh);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{color:var(--brand-text);transform:translateY(-2px)}

/* ---------- 滚动动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1200px;padding:0 24px}
  .hero-media{grid-column:6 / span 7}
  .split{gap:36px}
}
@media (max-width:1023px){
  .nav-search{width:200px}
  .nav-search:focus-within{width:220px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:64px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-copy,.hero-media{grid-column:1 / -1}
  .hero-media img{aspect-ratio:16/10}
  .float-card{left:auto;right:16px;bottom:16px}
  .section{padding:72px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .split{grid-template-columns:1fr}
  .split-media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .agenda::before{left:142px}
  .agenda-item{grid-template-columns:112px 28px minmax(0,1fr)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-inner{height:60px;gap:12px}
  .nav-search{display:none}
  .nav-actions .btn-primary{display:none}
  .hero{padding:52px 0 60px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-cta{gap:12px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:28px;margin-top:32px}
  .hero-stats strong{font-size:24px}
  .section{padding:56px 0}
  .steps{grid-template-columns:1fr}
  .agenda::before{display:none}
  .agenda-item{grid-template-columns:1fr;gap:10px}
  .agenda-node{display:none}
  .agenda-time{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:10px}
  .agenda-time strong{font-size:14px}
  .agenda-time span{margin-top:0}
  .agenda-card{padding:18px}
  .agenda-card h3{font-size:18px}
  .field-row{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .cta-bar{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-bar-actions{width:100%}
  .cta-bar-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
  .faq-q{font-size:16px;padding:18px}
  .faq-a-inner{padding:0 18px 20px}
}
@media (max-width:479px){
  .hero h1{font-size:28px}
  .section-head h2{font-size:24px}
  .btn{width:100%}
  .agenda-card .badge{font-size:11px}
}

/* roulang page: category2 */
/* ============ 设计令牌 ============ */
:root{
  --aurora:#2FD3BF;
  --aurora-hover:#21BFAE;
  --aurora-active:#17A897;
  --aurora-ink:#0E8C7E;
  --violet:#7C5CFF;
  --gold:#FFC46B;
  --ink-900:#0E0A1F;
  --panel:#1A1436;
  --layer:#221A45;
  --bg:#FBFAFE;
  --card:#FFFFFF;
  --bg-soft:#F3F1FB;
  --t-dark-1:#F3F1FB;
  --t-dark-2:#A9A3C4;
  --t-dark-3:#7A7398;
  --t-1:#191333;
  --t-2:#5B5478;
  --t-3:#8A83A6;
  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(25,19,51,.09);
  --ok:#3FD68C;
  --warn:#FF8A5B;
  --err:#FF6B6B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-btn:12px;
  --r-input:10px;
  --sh-card:0 8px 24px rgba(25,19,51,.07);
  --sh-hover:0 12px 32px rgba(25,19,51,.10);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --header-h:68px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--aurora-ink)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:4px}
::selection{background:rgba(47,211,191,.28)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (min-width:1440px){:root{--container:1280px}}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             transform var(--dur) var(--ease);
}
.btn-primary{background:var(--aurora);color:var(--ink-900)}
.btn-primary:hover{background:var(--aurora-hover);color:var(--ink-900);box-shadow:0 0 0 4px rgba(47,211,191,.16)}
.btn-primary:active{background:var(--aurora-active);transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.16);color:var(--t-dark-1)}
.btn-ghost:hover{border-color:rgba(255,255,255,.36);background:rgba(255,255,255,.06);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost.on-light{border-color:rgba(25,19,51,.12);color:var(--t-1)}
.btn-ghost.on-light:hover{border-color:rgba(25,19,51,.28);background:rgba(25,19,51,.04)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.btn-arrow svg{transition:transform var(--dur) var(--ease)}
.btn-arrow:hover svg{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(124,92,255,.12);color:#B7A6FF;
}
.eyebrow.on-light{background:rgba(124,92,255,.12);color:#5A3CE0}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(124,92,255,.12);color:#5A3CE0;
}
.tag-line{background:transparent;border:1px solid var(--line-light);color:var(--t-2);font-weight:500}
.tag-gold{background:rgba(255,196,107,.18);color:#8A5A12}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(14,10,31,.88);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:var(--ink-900);
  border-bottom-color:var(--line-dark);
  backdrop-filter:blur(8px);
}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t-dark-1);flex:0 0 auto}
.brand:hover{color:var(--t-dark-1)}
.brand-mark{display:inline-flex;width:26px;height:26px}
.brand-mark svg{width:100%;height:100%}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--t-dark-2);transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--t-dark-1);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:var(--aurora)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--aurora);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  position:relative;display:flex;align-items:center;
  width:260px;height:40px;padding:0 12px 0 36px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  transition:width var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.command-search:focus-within{width:340px;border-color:var(--aurora);background:rgba(255,255,255,.09)}
.search-icon{position:absolute;left:12px;width:16px;height:16px;stroke:var(--t-dark-3);fill:none;stroke-width:1.6}
.search-input{
  width:100%;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--t-dark-1);
}
.search-input::placeholder{color:var(--t-dark-3)}
.kbd{
  flex:0 0 auto;margin-left:8px;padding:2px 7px;border-radius:6px;
  font-size:11px;color:var(--t-dark-2);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.05);
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-dark);
  border-radius:var(--r-input);background:transparent;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--t-dark-1);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

.drawer-mask{position:fixed;inset:0;z-index:110;background:rgba(14,10,31,.62);backdrop-filter:blur(2px)}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:120;
  width:86vw;max-width:360px;height:100%;
  padding:22px 20px 32px;
  background:var(--panel);border-left:1px solid var(--line-dark);
  transform:translateX(100%);
  transition:transform 240ms var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line-dark);background:transparent;color:var(--t-dark-1);font-size:18px;line-height:1}
.drawer-search{
  position:relative;display:flex;align-items:center;height:44px;padding:0 12px 0 36px;margin-bottom:18px;
  border-radius:var(--r-input);background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
}
.drawer-search input{width:100%;height:100%;border:0;background:transparent;outline:none;font-size:15px;color:var(--t-dark-1)}
.drawer-search input::placeholder{color:var(--t-dark-3)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  color:var(--t-dark-2);font-size:16px;
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--t-dark-1)}
.drawer-nav a.is-active{color:var(--aurora);background:rgba(47,211,191,.10)}
.drawer-cta{display:flex;flex-direction:column;gap:12px}

body.no-scroll{overflow:hidden}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--t-dark-1);
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(243,241,251,.11) 1px,transparent 1px);
  background-size:12px 12px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 80%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 80%);
  opacity:.75;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-190px;width:560px;height:560px;pointer-events:none;
  background:radial-gradient(circle,rgba(47,211,191,.14),transparent 66%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.hero-copy .eyebrow{margin-bottom:20px}
.hero-title{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.15;letter-spacing:-.02em;font-weight:700;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:var(--t-dark-2);
  max-width:560px;margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px}
.stat{display:flex;flex-direction:column;gap:4px}
.stat-num{
  font-size:28px;font-weight:700;line-height:1.2;color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.stat-num.is-aurora{color:var(--aurora)}
.stat-label{font-size:13px;color:var(--t-dark-3)}

.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line-dark);
}
.float-card{
  position:absolute;left:-24px;bottom:-26px;width:250px;
  padding:20px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line-dark);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.float-card h3{font-size:13px;font-weight:600;color:var(--t-dark-3);margin-bottom:12px;letter-spacing:.04em}
.float-card ul{display:flex;flex-direction:column;gap:10px}
.float-card li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14px;color:var(--t-dark-2)}
.float-card li strong{font-size:16px;color:var(--aurora);font-variant-numeric:tabular-nums}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative}
.section-soft{background:var(--bg-soft)}
.section-white{background:var(--card)}
.section-dark{background:var(--ink-900);color:var(--t-dark-1);overflow:hidden}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(243,241,251,.10) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.6;
}
.section-dark .container{position:relative;z-index:2}

.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{margin-bottom:16px}
.section-title{
  font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.01em;font-weight:700;
  margin-bottom:16px;
}
.section-lead{font-size:17px;color:var(--t-2);line-height:1.8}
.section-dark .section-lead{color:var(--t-dark-2)}

/* ============ 讲师筛选 + 网格 ============ */
.filter-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:44px;align-items:start}
.filter-aside{position:sticky;top:calc(var(--header-h) + 24px)}
.filter-title{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--t-3);margin-bottom:14px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.filter-aside .chip-row{flex-direction:column;flex-wrap:nowrap}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;
  background:var(--card);border:1px solid var(--line-light);color:var(--t-2);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.filter-aside .chip{justify-content:flex-start;width:100%}
.chip:hover{border-color:rgba(47,211,191,.5);color:var(--aurora-ink)}
.chip.is-active{background:var(--aurora);border-color:var(--aurora);color:var(--ink-900);font-weight:600}
.filter-note{margin-top:18px;font-size:13px;color:var(--t-3);line-height:1.7}

.speaker-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(232px,1fr));
  gap:24px;
}
.speaker-card{
  padding:24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line-light);
  box-shadow:var(--sh-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.speaker-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(47,211,191,.3)}
.speaker-card[hidden]{display:none}
.speaker-avatar{
  width:64px;height:64px;border-radius:50%;object-fit:cover;
  border:1px solid var(--line-light);margin-bottom:16px;
}
.speaker-card h3{font-size:20px;font-weight:700;line-height:1.35;margin-bottom:6px}
.speaker-org{font-size:13px;color:var(--t-3);margin-bottom:14px}
.speaker-line{font-size:15px;color:var(--t-2);line-height:1.7;margin-bottom:16px}

.empty-state{
  padding:56px 24px;text-align:center;border-radius:var(--r-md);
  border:1px dashed var(--line-light);background:var(--card);color:var(--t-2);
}
.empty-state strong{display:block;font-size:17px;color:var(--t-1);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--t-3);margin-bottom:18px}

/* ============ 主题分享清单 ============ */
.topic-list{border-top:1px solid var(--line-light)}
.topic-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;
  gap:24px;align-items:center;
  padding:24px 12px;border-bottom:1px solid var(--line-light);
  transition:background var(--dur) var(--ease);
}
.topic-item:hover{background:rgba(47,211,191,.05)}
.topic-index{
  font-size:14px;font-weight:700;color:var(--aurora-ink);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.topic-body h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:6px}
.topic-body p{font-size:14px;color:var(--t-2);line-height:1.7}
.topic-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;font-size:13px;color:var(--t-3);white-space:nowrap}
.topic-meta .who{font-size:14px;color:var(--t-1);font-weight:600}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{
  padding:24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line-light);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(47,211,191,.3);box-shadow:var(--sh-card)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;margin-bottom:16px;
  background:rgba(47,211,191,.14);color:var(--aurora-ink);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--t-2);line-height:1.75}

/* ============ 适合人群 ============ */
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.audience-card{
  padding:28px 24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line-light);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.audience-card:hover{transform:translateY(-2px);border-color:rgba(124,92,255,.32)}
.audience-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:18px;
  background:rgba(124,92,255,.12);
}
.audience-icon svg{width:22px;height:22px;stroke:var(--violet);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.audience-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.audience-card p{font-size:14px;color:var(--t-2);line-height:1.8}

/* ============ 学员反馈 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  padding:28px 24px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.quote-card p{font-size:15px;line-height:1.85;color:var(--t-dark-2);margin-bottom:20px}
.quote-who{display:flex;align-items:center;gap:12px}
.quote-who img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:1px solid var(--line-dark)}
.quote-who span{font-size:13px;color:var(--t-dark-3)}
.quote-who strong{display:block;font-size:14px;color:var(--t-dark-1);font-weight:600}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line-light)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:24px 4px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--t-1);line-height:1.5;
}
.faq-q:hover{color:var(--aurora-ink)}
.faq-icon{flex:0 0 auto;width:20px;height:20px;stroke:var(--t-3);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);stroke:var(--aurora-ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-item.is-open .faq-a{max-height:400px}
.faq-a p{max-width:720px;padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--t-2)}

/* ============ CTA 报名 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--t-dark-1);
  padding:88px 0;
}
.cta-band::before{
  content:"";position:absolute;left:-140px;bottom:-200px;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(124,92,255,.14),transparent 66%);
}
.cta-band .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3vw,36px);line-height:1.28;font-weight:700;margin-bottom:16px}
.cta-copy > p{font-size:16px;color:var(--t-dark-2);line-height:1.8;margin-bottom:28px;max-width:480px}
.trust-list{display:flex;flex-direction:column;gap:12px}
.trust-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t-dark-2)}
.trust-list svg{flex:0 0 auto;width:18px;height:18px;stroke:var(--aurora);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.form-card{
  padding:28px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line-dark);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.form-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.form-card > p{font-size:13px;color:var(--t-dark-3);margin-bottom:22px}
.form-field{margin-bottom:20px}
.form-field label{display:block;font-size:13px;color:var(--t-dark-2);margin-bottom:8px}
.form-field input,.form-field select{
  width:100%;height:44px;padding:0 14px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  color:var(--t-dark-1);font-size:15px;outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.form-field input::placeholder{color:var(--t-dark-3)}
.form-field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7A7398 50%),linear-gradient(135deg,#7A7398 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-field select option{background:var(--panel);color:var(--t-dark-1)}
.form-field input:focus,.form-field select:focus{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,191,.18);background:rgba(255,255,255,.08)}
.form-field.has-error input,.form-field.has-error select{border-color:var(--err)}
.field-error{display:none;margin-top:8px;font-size:13px;color:#FF9C9C}
.form-field.has-error .field-error{display:block}
.checkbox-field{display:flex;align-items:flex-start;gap:10px;margin-bottom:22px}
.checkbox-field input{width:18px;height:18px;margin-top:3px;accent-color:var(--aurora);flex:0 0 auto}
.checkbox-field label{font-size:13px;color:var(--t-dark-2);line-height:1.7}
.checkbox-field.has-error label{color:#FF9C9C}

.form-success{
  display:none;align-items:flex-start;gap:14px;
  padding:22px;border-radius:var(--r-md);
  background:rgba(63,214,140,.10);
  border:1px solid rgba(63,214,140,.32);
}
.form-success.is-visible{display:flex}
.form-success svg{flex:0 0 auto;width:22px;height:22px;stroke:var(--ok);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.form-success strong{display:block;font-size:15px;color:var(--t-dark-1);margin-bottom:6px}
.form-success p{font-size:13px;color:var(--t-dark-2);line-height:1.7}
.form-success .btn{margin-top:14px}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--line-dark);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.back-top.is-visible{opacity:1;visibility:visible;transform:none}
.back-top svg{width:20px;height:20px;stroke:var(--t-dark-1);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.back-top:hover{border-color:var(--aurora)}

/* ============ 页脚 ============ */
.site-footer{background:#0B0818;color:var(--t-dark-2);padding:72px 0 32px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;margin-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--t-dark-3);max-width:360px}
.footer-col h3{font-size:14px;font-weight:600;color:var(--t-dark-1);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li{font-size:14px;color:var(--t-dark-3);line-height:1.7}
.footer-col a{font-size:14px;color:var(--t-dark-3)}
.footer-col a:hover{color:var(--aurora)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:26px;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--t-dark-3);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .command-search{width:200px}
  .command-search:focus-within{width:260px}
  .speaker-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}

@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav,.command-search{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{order:2}
  .float-card{position:static;width:100%;margin-top:18px}
  .hero-stats{gap:32px}
  .filter-layout{grid-template-columns:1fr;gap:28px}
  .filter-aside{position:static}
  .filter-aside .chip-row{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .filter-aside .chip{width:auto;white-space:nowrap}
  .filter-note{margin-top:12px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .audience-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .topic-item{grid-template-columns:48px minmax(0,1fr);gap:18px}
  .topic-meta{grid-column:2;flex-direction:row;align-items:center;gap:14px;white-space:normal}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}

@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{min-height:0;padding:44px 0 60px}
  .hero-title{font-size:clamp(28px,8vw,34px)}
  .hero-sub{font-size:16px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%;height:48px}
  .hero-stats{gap:24px}
  .stat-num{font-size:24px}
  .steps{grid-template-columns:1fr}
  .audience-grid{grid-template-columns:1fr}
  .speaker-grid{grid-template-columns:1fr}
  .topic-item{grid-template-columns:1fr;gap:12px;padding:22px 4px}
  .topic-meta{grid-column:1;justify-content:flex-start}
  .topic-index{font-size:13px}
  .cta-band{padding:64px 0}
  .form-card{padding:22px}
  .btn{height:48px}
  .btn-sm{height:44px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .back-top{right:16px;bottom:16px}
  .faq-q{font-size:16px;padding:20px 2px}
}

@media (max-width:479px){
  .brand-name{font-size:15px}
  .header-actions .btn-ghost.hide-sm{display:none}
  .speaker-avatar{width:56px;height:56px}
}

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

/* roulang page: category3 */
:root{
  --cyan:#2FD3BF;
  --cyan-hover:#21BFAE;
  --cyan-active:#17A897;
  --cyan-ink:#0E8C7E;
  --violet:#7C5CFF;
  --violet-ink:#6B49F5;
  --gold:#FFC46B;
  --gold-ink:#B0741C;
  --ink-900:#0E0A1F;
  --ink-800:#1A1436;
  --ink-700:#221A45;
  --bg:#FBFAFE;
  --bg-soft:#F3F1FB;
  --card:#FFFFFF;
  --t-strong:#191333;
  --t-mid:#5B5478;
  --t-weak:#8A83A6;
  --t-dark-strong:#F3F1FB;
  --t-dark-mid:#A9A3C4;
  --t-dark-weak:#7A7398;
  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(25,19,51,.09);
  --line-strong:rgba(25,19,51,.16);
  --success:#3FD68C;
  --warn:#FF8A5B;
  --error:#FF6B6B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-xs:10px;
  --sh-card:0 8px 24px rgba(25,19,51,.07);
  --sh-hover:0 12px 32px rgba(25,19,51,.10);
  --container:1200px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t-strong);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--cyan-ink)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head p.lede{margin-top:16px;color:var(--t-mid);font-size:17px;line-height:1.8}
h1{font-size:clamp(34px,4.4vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.35;font-weight:600}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,250,254,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  background:rgba(251,250,254,.98);
  border-bottom-color:var(--line-light);
  box-shadow:0 4px 16px rgba(25,19,51,.05);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t-strong);font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--t-strong)}
.brand-mark{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:rgba(47,211,191,.12)}
.brand-mark svg{width:22px;height:22px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:40px;padding:0 12px;
  border-radius:var(--r-xs);
  font-size:15px;color:var(--t-mid);font-weight:500;
  transition:color .18s ease-out,background .18s ease-out;
}
.nav-link:hover{color:var(--t-strong);background:var(--bg-soft)}
.nav-link.is-active{color:var(--cyan-ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--cyan);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-xs);
  transition:width .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box:focus-within{
  width:340px;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(47,211,191,.14);
}
.search-box svg{flex:0 0 auto;width:16px;height:16px;stroke:var(--t-weak)}
.search-box input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px;
}
.search-box input::placeholder{color:var(--t-weak)}
.key-hint{
  flex:0 0 auto;font-size:12px;line-height:1;color:var(--t-weak);
  border:1px solid var(--line-light);border-radius:6px;padding:4px 6px;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line-light);border-radius:var(--r-xs);
  background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t-strong);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-strong);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,10,31,.5);opacity:0;visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out;z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:200;
  background:#fff;padding:24px 20px;overflow-y:auto;
  transform:translateX(102%);transition:transform .26s ease-out;
  box-shadow:-12px 0 32px rgba(25,19,51,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;background:#fff;
  border:1px solid var(--line-light);border-radius:var(--r-xs);cursor:pointer;font-size:18px;color:var(--t-mid);
}
.drawer-links{display:grid;gap:4px;margin-bottom:20px}
.drawer-links a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-xs);
  font-size:16px;color:var(--t-strong);font-weight:500;
}
.drawer-links a:hover{background:var(--bg-soft)}
.drawer-links a.is-active{color:var(--cyan-ink);background:rgba(47,211,191,.10);font-weight:600}
.drawer .search-box{width:100%;margin-bottom:20px}
.drawer-actions{display:grid;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-sm);
  border:1px solid transparent;background:transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--cyan);color:var(--ink-900)}
.btn-primary:hover{background:var(--cyan-hover);box-shadow:0 0 0 4px rgba(47,211,191,.16);color:var(--ink-900)}
.btn-primary:active{background:var(--cyan-active);transform:translateY(1px)}
.btn-outline{border-color:var(--cyan);color:var(--cyan-ink)}
.btn-outline:hover{background:rgba(47,211,191,.09);color:var(--cyan-ink)}
.btn-outline:active{background:rgba(47,211,191,.16)}
.btn-ghost{border-color:var(--line-light);color:var(--t-mid)}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--t-strong);background:#fff}
.btn-on-dark-ghost{border-color:rgba(255,255,255,.18);color:var(--t-dark-strong)}
.btn-on-dark-ghost:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06);color:#fff}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--cyan-ink);font-size:15px}
.btn-text svg{width:16px;height:16px;transition:transform .18s ease-out}
.btn-text:hover{color:var(--cyan-active)}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
}
.badge-violet{background:rgba(124,92,255,.12);color:var(--violet-ink)}
.badge-cyan{background:rgba(47,211,191,.14);color:var(--cyan-ink)}
.badge-gold{background:rgba(255,196,107,.22);color:var(--gold-ink)}
.badge-line{border:1px solid var(--line-light);color:var(--t-mid)}
.badge-dark{background:rgba(124,92,255,.18);color:#CBBEFF}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--t-dark-strong);
  padding:56px 0 96px;
}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(47,211,191,.16),rgba(47,211,191,0) 65%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:260px;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:12px 12px;opacity:.45;
  -webkit-mask-image:linear-gradient(to top,#000,transparent);
  mask-image:linear-gradient(to top,#000,transparent);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-dark-weak);margin-bottom:28px}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:rgba(255,255,255,.24)}
.breadcrumb .current{color:var(--t-dark-mid)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:20px 0 0;color:#fff}
.hero .hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--t-dark-mid);max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:48px;flex-wrap:wrap}
.hero-stat .num{
  display:block;font-size:28px;font-weight:700;line-height:1.2;
  color:var(--gold);font-variant-numeric:tabular-nums;
}
.hero-stat .label{display:block;margin-top:6px;font-size:13.5px;color:var(--t-dark-weak)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line-dark);
}
.hero-float{
  position:absolute;left:-28px;bottom:-32px;width:262px;
  background:var(--ink-800);border:1px solid var(--line-dark);border-radius:var(--r-md);
  padding:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.hero-float .float-title{font-size:13px;color:var(--t-dark-weak);letter-spacing:.04em}
.hero-float .float-main{margin-top:8px;font-size:19px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.hero-float .float-meta{margin-top:10px;font-size:13.5px;color:var(--t-dark-mid);display:flex;justify-content:space-between;gap:10px}
.hero-float .float-meta b{color:var(--cyan);font-variant-numeric:tabular-nums}

/* ---------- 票种对比表 ---------- */
.table-note{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t-weak);margin-bottom:14px}
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line-light);
  border-radius:var(--r-md);box-shadow:var(--sh-card);
}
.ticket-table{width:100%;min-width:820px;border-collapse:separate;border-spacing:0}
.ticket-table th,.ticket-table td{
  padding:18px 20px;text-align:left;font-size:15px;vertical-align:top;
  border-bottom:1px solid var(--line-light);
}
.ticket-table thead th{background:#fff;padding-top:24px;padding-bottom:24px}
.ticket-table tbody tr:last-child th,.ticket-table tbody tr:last-child td{border-bottom:0}
.ticket-table thead th:first-child,
.ticket-table tbody th:first-child{
  position:sticky;left:0;z-index:2;background:#fff;
  box-shadow:1px 0 0 var(--line-light);
  min-width:148px;font-weight:600;color:var(--t-strong);
}
.ticket-table tbody th{font-weight:600;color:var(--t-strong);font-size:14.5px}
.ticket-table tbody td{color:var(--t-mid);font-size:14.5px;line-height:1.7}
.ticket-table .is-featured{background:rgba(47,211,191,.055)}
.plan-head{display:block}
.plan-head .badge{margin-bottom:10px}
.plan-name{display:block;font-size:16px;font-weight:700;color:var(--t-strong)}
.plan-price{
  display:block;margin-top:8px;font-size:24px;font-weight:700;
  color:var(--gold-ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.plan-note{display:block;margin-top:6px;font-size:13px;color:var(--t-weak)}
.ticket-table .cell-strong{color:var(--t-strong);font-weight:600}
.ticket-table .cell-ok{color:var(--cyan-ink);font-weight:600}
.ticket-table .cell-dim{color:var(--t-weak)}

/* ---------- 手风琴 ---------- */
.acc{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line-light);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card)}
.acc-item + .acc-item{border-top:1px solid var(--line-light)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--t-strong);
  transition:background .18s ease-out,color .18s ease-out;
}
.acc-btn:hover{background:var(--bg-soft)}
.acc-btn[aria-expanded="true"]{color:var(--cyan-ink)}
.acc-icon{
  flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;
  color:var(--t-weak);transition:transform .2s ease-out;
}
.acc-btn[aria-expanded="true"] .acc-icon{transform:rotate(45deg);color:var(--cyan-ink)}
.acc-panel{
  display:none;padding:0 24px 24px;max-width:720px;
  font-size:15.5px;line-height:1.85;color:var(--t-mid);
}
.acc-panel.is-open{display:block}
.acc-panel p + p{margin-top:12px}
.acc-panel ul{display:grid;gap:8px;margin-top:12px}
.acc-panel li{position:relative;padding-left:20px}
.acc-panel li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line-light);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(47,211,191,.3)}
.step-num{
  display:grid;place-items:center;width:40px;height:40px;border-radius:999px;
  background:rgba(124,92,255,.12);color:var(--violet-ink);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step h3{margin-top:16px;font-size:17px}
.step p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--t-mid)}

/* ---------- 图文板块 ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature-row + .feature-row{margin-top:72px}
.feature-row.is-reverse .feature-media{order:2}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line-light);box-shadow:var(--sh-card);
}
.feature-body h3{margin-top:16px;font-size:clamp(22px,2.4vw,28px);line-height:1.3}
.feature-body .feature-lede{margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--t-mid)}
.check-list{display:grid;gap:12px;margin-top:24px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--t-mid);line-height:1.75}
.check-list svg{flex:0 0 auto;width:20px;height:20px;margin-top:3px;stroke:var(--cyan)}

/* ---------- 深色报名区 ---------- */
.cta-dark{
  position:relative;overflow:hidden;background:var(--ink-800);color:var(--t-dark-strong);
  padding:88px 0;
}
.cta-dark::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:13px 13px;opacity:.35;pointer-events:none;
  -webkit-mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
  mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
}
.cta-dark .container{position:relative;z-index:1}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{color:#fff}
.cta-copy p{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--t-dark-mid);max-width:460px}
.trust-list{display:grid;gap:14px;margin-top:28px}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t-dark-mid)}
.trust-list svg{flex:0 0 auto;width:20px;height:20px;margin-top:3px;stroke:var(--cyan)}
.form-card{background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:0 18px 44px rgba(10,6,26,.28)}
.form-card h3{font-size:19px;color:var(--t-strong)}
.form-card .form-hint{margin-top:8px;font-size:13.5px;color:var(--t-weak)}
.field{margin-top:20px}
.field:first-of-type{margin-top:24px}
.field label{display:block;font-size:13px;color:var(--t-mid);margin-bottom:8px;font-weight:500}
.input,.select,.textarea{
  width:100%;height:44px;padding:0 14px;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-xs);
  font-size:15px;color:var(--t-strong);outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.textarea{height:auto;padding:12px 14px;resize:vertical;min-height:88px;line-height:1.7}
.select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%238A83A6' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.input:hover,.select:hover,.textarea:hover{border-color:var(--line-strong)}
.input:focus,.select:focus,.textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,191,.14)}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--error)}
.field.has-error .input,.field.has-error .select{border-color:var(--error);box-shadow:0 0 0 3px rgba(255,107,107,.12)}
.field.has-error .field-error{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.checkbox{display:flex;gap:10px;align-items:flex-start;margin-top:20px;font-size:13.5px;color:var(--t-mid);line-height:1.7}
.checkbox input{width:18px;height:18px;margin-top:3px;accent-color:var(--cyan);flex:0 0 auto}
.checkbox a{color:var(--cyan-ink);text-decoration:underline;text-underline-offset:3px}
.form-actions{margin-top:24px}
.form-success{
  display:none;flex-direction:column;align-items:center;text-align:center;
  padding:36px 12px;gap:12px;
}
.form-success.is-visible{display:flex}
.form-success .ok-icon{
  width:52px;height:52px;border-radius:999px;display:grid;place-items:center;
  background:rgba(63,214,140,.14);
}
.form-success .ok-icon svg{width:26px;height:26px;stroke:var(--success)}
.form-success h3{font-size:19px;color:var(--t-strong)}
.form-success p{font-size:14.5px;color:var(--t-mid);max-width:320px;line-height:1.8}

/* ---------- 次级 CTA 条 ---------- */
.cta-strip{background:var(--bg-soft);padding:0}
.cta-strip-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:40px 0;
}
.cta-strip-inner h2{font-size:clamp(20px,2.2vw,26px)}
.cta-strip-inner p{margin-top:8px;font-size:15px;color:var(--t-mid)}
.cta-strip-actions{display:flex;gap:14px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--t-dark-mid);padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:var(--t-dark-strong);font-size:18px}
.footer-brand .brand-mark{background:rgba(47,211,191,.14)}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;max-width:340px;color:var(--t-dark-mid)}
.footer-col h3{font-size:15px;color:var(--t-dark-strong);margin-bottom:16px}
.footer-col ul{display:grid;gap:12px;font-size:14.5px;color:var(--t-dark-mid)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:24px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:var(--t-dark-weak);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:120;
  width:48px;height:48px;border-radius:999px;border:1px solid transparent;
  background:var(--cyan);color:var(--ink-900);display:grid;place-items:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,background .18s ease-out;
  box-shadow:0 10px 24px rgba(25,19,51,.18);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--cyan-hover)}
.to-top svg{width:20px;height:20px;stroke:currentColor}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .search-box{width:220px}
  .search-box:focus-within{width:280px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav,.header-tools .search-box,.header-tools .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .hero{padding:48px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:640px}
  .hero-float{position:static;width:100%;margin-top:16px}
  .hero-stats{gap:32px;margin-top:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr;gap:32px}
  .feature-row.is-reverse .feature-media{order:0}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{height:60px;gap:16px}
  .brand{font-size:16px}
  .hero{padding:36px 0 56px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:24px}
  .hero-stat .num{font-size:24px}
  .steps{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .cta-dark{padding:64px 0}
  .form-card{padding:24px}
  .cta-strip-inner{flex-direction:column;align-items:flex-start;padding:32px 0}
  .cta-strip-actions{width:100%;flex-direction:column}
  .cta-strip-actions .btn{width:100%}
  .acc-btn{font-size:16px;padding:18px 18px}
  .acc-panel{padding:0 18px 20px}
  .table-note{margin-bottom:12px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .btn{width:100%;height:48px}
  .header-tools .header-cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --aurora:#2FD3BF;
  --aurora-hover:#21BFAE;
  --aurora-active:#17A897;
  --aurora-ink:#0E8C7E;
  --violet:#7C5CFF;
  --gold:#FFC46B;
  --ink-900:#0E0A1F;
  --ink-panel:#1A1436;
  --ink-float:#221A45;
  --bg:#FBFAFE;
  --card:#FFFFFF;
  --section:#F3F1FB;
  --text:#191333;
  --text-2:#5B5478;
  --text-3:#8A83A6;
  --on-dark:#F3F1FB;
  --on-dark-2:#A9A3C4;
  --on-dark-3:#7A7398;
  --line:rgba(25,19,51,.09);
  --line-strong:rgba(25,19,51,.16);
  --dark-line:rgba(255,255,255,.10);
  --success:#3FD68C;
  --warn:#FF8A5B;
  --danger:#FF6B6B;
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 8px 24px rgba(25,19,51,.07);
  --shadow-hover:0 12px 32px rgba(25,19,51,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --ease:160ms ease-out;
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--aurora-ink)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-0.01em}
p{margin:0}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1280px){.container{max-width:1280px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:519px){.container{padding:0 16px}}

.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--section)}
.section--dark{background:var(--ink-900);color:var(--on-dark)}
.section--dark h2,.section--dark h3{color:var(--on-dark)}
@media (max-width:1023px){.section{padding:72px 0}.section--tight{padding:56px 0}}
@media (max-width:519px){.section{padding:56px 0}.section--tight{padding:48px 0}}

.dotted{
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:12px 12px;
}
.dotted-light{
  background-image:radial-gradient(rgba(25,19,51,.09) 1px,transparent 1px);
  background-size:14px 14px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--aurora);color:var(--ink-900);border-color:var(--aurora)}
.btn-primary:hover{background:var(--aurora-hover);color:var(--ink-900);box-shadow:0 0 0 4px rgba(47,211,191,.16)}
.btn-primary:active{background:var(--aurora-active)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-outline{background:transparent;color:var(--aurora-ink);border-color:var(--aurora)}
.btn-outline:hover{background:rgba(47,211,191,.10);color:var(--aurora-active)}
.btn-ghost{background:transparent;color:var(--text-2);border-color:var(--line-strong)}
.btn-ghost:hover{color:var(--text);border-color:rgba(25,19,51,.28)}
.btn-on-dark{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.16)}
.btn-on-dark:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--aurora-ink);background:none;border:0;padding:0;
}
.btn-text .arrow{transition:transform var(--ease)}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn-text:disabled{opacity:.45;cursor:not-allowed}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;white-space:nowrap;
}
.badge-violet{background:rgba(124,92,255,.12);color:#5A3FE0}
.badge-aurora{background:rgba(47,211,191,.14);color:var(--aurora-ink)}
.badge-gold{background:rgba(255,196,107,.20);color:#9A6412}
.badge-line{background:transparent;border:1px solid var(--line-strong);color:var(--text-2)}
.badge-dark{background:rgba(255,255,255,.08);border:1px solid var(--dark-line);color:var(--on-dark-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--aurora-ink);
  text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--aurora);display:inline-block}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,250,254,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(251,250,254,.99);
  border-bottom-color:var(--line);
  box-shadow:0 4px 16px rgba(25,19,51,.05);
}
.nav-inner{display:flex;align-items:center;gap:16px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:var(--radius-xs);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-900);border:1px solid rgba(255,255,255,.08);
}
.brand-mark svg{width:22px;height:22px;display:block}
.brand-name{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-0.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(25,19,51,.04)}
.nav-link.is-active{color:var(--aurora-ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--aurora);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xs);
  transition:width 200ms ease-out,border-color var(--ease),box-shadow var(--ease);
}
.command-search:hover{border-color:var(--line-strong)}
.command-search:focus-within{
  width:340px;border-color:var(--aurora);
  box-shadow:0 0 0 3px rgba(47,211,191,.16);
}
.command-search svg{flex:none;width:16px;height:16px;color:var(--text-3)}
.command-search input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--text);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  flex:none;font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;
  border:1px solid var(--line);color:var(--text-3);background:var(--section);
}
.nav-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:var(--radius-xs);
}
.nav-burger span{display:block;width:18px;height:1.5px;background:var(--text);position:relative}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text);
}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}

.drawer-mask{
  position:fixed;inset:0;background:rgba(14,10,31,.48);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:120;
  width:86vw;max-width:380px;height:100%;
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 220ms ease-out;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-xs);
  border:1px solid var(--line-strong);background:transparent;font-size:20px;line-height:1;color:var(--text-2);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin-bottom:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xs);
}
.drawer-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--radius-xs);
  font-size:16px;color:var(--text-2);
}
.drawer-link:hover{background:rgba(25,19,51,.04);color:var(--text)}
.drawer-link.is-active{color:var(--aurora-ink);font-weight:600;background:rgba(47,211,191,.10)}
.drawer-actions{margin-top:24px;display:flex;flex-direction:column;gap:12px}

@media (max-width:1023px){
  :root{--nav-h:60px}
  .main-nav{display:none}
  .command-search{display:none}
  .nav-quiet{display:none}
  .nav-burger{display:inline-flex}
  .brand-name{font-size:16px}
}
@media (max-width:519px){
  .nav-right .btn-primary.btn-sm{height:38px;padding:0 14px;font-size:13px}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb .sep{color:rgba(25,19,51,.24)}
.breadcrumb .current{color:var(--text-2)}
.breadcrumb a:hover{color:var(--aurora-ink)}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background:var(--bg);
}
.page-hero::before{
  content:"";position:absolute;top:-220px;right:-160px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(124,92,255,.14),rgba(124,92,255,0) 68%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:160px;
  background-image:radial-gradient(rgba(25,19,51,.10) 1px,transparent 1px);
  background-size:13px 13px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,0),rgba(0,0,0,.9));
  mask-image:linear-gradient(to bottom,rgba(0,0,0,0),rgba(0,0,0,.9));
  opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.15;letter-spacing:-0.02em;max-width:860px;
}
.page-hero .lede{
  margin-top:20px;max-width:720px;font-size:17px;line-height:1.85;color:var(--text-2);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
  margin-top:40px;border-top:1px solid var(--line);
}
.hero-stat{padding:20px 24px 0 0}
.hero-stat + .hero-stat{border-left:1px solid var(--line);padding-left:24px}
.hero-stat .v{font-size:28px;font-weight:700;color:var(--text);letter-spacing:-0.02em}
.hero-stat .v em{font-style:normal;color:var(--gold);font-size:18px;margin-left:2px}
.hero-stat .k{margin-top:4px;font-size:13px;color:var(--text-3)}
@media (max-width:767px){
  .page-hero{padding:40px 0 48px}
  .page-hero .lede{font-size:16px}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat{padding:16px 0}
  .hero-stat + .hero-stat{border-left:0;border-top:1px solid var(--line);padding-left:0}
}

/* ============ 筛选 chip ============ */
.filter-bar{
  display:flex;align-items:center;gap:16px;
  padding:20px 0 4px;border-top:1px solid var(--line);
}
.filter-label{font-size:13px;color:var(--text-3);flex:none}
.chip-row{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;flex:1;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.chip:hover{border-color:rgba(47,211,191,.55);color:var(--aurora-ink)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#F3F1FB}
@media (max-width:767px){
  .filter-bar{flex-direction:column;align-items:flex-start;gap:10px}
  .chip-row{width:100%}
}

/* ============ 精选大图卡 ============ */
.feature-card{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--ink-panel);
  border:1px solid var(--dark-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  position:relative;
}
.feature-card::after{
  content:"";position:absolute;top:-120px;right:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(47,211,191,.16),rgba(47,211,191,0) 70%);
  pointer-events:none;
}
.feature-media{position:relative;min-height:440px}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{
  padding:48px;display:flex;flex-direction:column;justify-content:center;gap:20px;
  position:relative;z-index:1;
}
.feature-body h2{
  font-size:clamp(24px,2.4vw,32px);line-height:1.3;color:var(--on-dark);
}
.feature-body p{font-size:16px;line-height:1.85;color:var(--on-dark-2)}
.feature-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;padding-top:8px;border-top:1px solid var(--dark-line);
}
.feature-facts .f .v{font-size:20px;font-weight:700;color:var(--on-dark)}
.feature-facts .f .k{margin-top:2px;font-size:12px;color:var(--on-dark-3)}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
@media (max-width:1023px){
  .feature-card{grid-template-columns:1fr}
  .feature-media{min-height:260px;aspect-ratio:16/9}
  .feature-body{padding:32px}
}
@media (max-width:519px){
  .feature-body{padding:24px 20px}
  .feature-facts{grid-template-columns:1fr 1fr}
  .feature-actions .btn{width:100%}
}

/* ============ 归档列表 ============ */
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-0.02em;margin-top:12px;
}
.section-head .lead{margin-top:16px;font-size:17px;line-height:1.85;color:var(--text-2)}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}

.archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.archive-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.archive-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(47,211,191,.35)}
.archive-card.is-hidden{display:none}
.archive-link{display:flex;flex-direction:column;height:100%}
.archive-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--section)}
.archive-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out}
.archive-card:hover .archive-thumb img{transform:scale(1.03)}
.archive-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.archive-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.archive-title{
  font-size:19px;line-height:1.45;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.archive-excerpt{
  font-size:15px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.archive-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.archive-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3)}
.archive-time svg{width:14px;height:14px}
.archive-more{font-size:13px;font-weight:600;color:var(--aurora-ink);display:inline-flex;align-items:center;gap:4px}
@media (max-width:767px){
  .archive-grid{grid-template-columns:1fr}
  .section-head--row{flex-direction:column;align-items:flex-start}
}

/* ============ 数据带 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;
}
.stat-cell{padding:32px 28px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-cell .v{font-size:32px;font-weight:700;letter-spacing:-0.02em;color:var(--text)}
.stat-cell .v em{font-style:normal;font-size:18px;color:var(--gold);margin-left:2px}
.stat-cell .k{margin-top:8px;font-size:14px;font-weight:600;color:var(--text)}
.stat-cell .d{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.7}
@media (max-width:1023px){
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-cell{border-bottom:1px solid var(--line)}
  .stat-cell:nth-child(2n){border-right:0}
  .stat-cell:nth-last-child(-n+2){border-bottom:0}
}
@media (max-width:519px){
  .stat-strip{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px}
  .stat-cell:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:0}
}

/* ============ 档案构成列表 ============ */
.doc-list{border-top:1px solid var(--line)}
.doc-item{
  display:grid;grid-template-columns:64px 1fr 1.2fr;gap:24px;align-items:baseline;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.doc-index{font-size:15px;font-weight:700;color:var(--aurora-ink);letter-spacing:.02em}
.doc-item h3{font-size:18px}
.doc-item p{font-size:15px;line-height:1.8;color:var(--text-2)}
@media (max-width:767px){
  .doc-item{grid-template-columns:1fr;gap:8px}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(47,211,191,.45);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-icon{
  flex:none;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--aurora-ink);font-size:18px;line-height:1;
  transition:transform 200ms ease-out,background-color var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(47,211,191,.12);border-color:rgba(47,211,191,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease-out}
.faq-a-inner{padding:0 24px 22px;max-width:720px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--on-dark);
  border-radius:var(--radius-lg);
  padding:56px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:12px 12px;opacity:.7;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;bottom:-180px;left:-120px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(124,92,255,.20),rgba(124,92,255,0) 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(26px,3vw,36px);line-height:1.25;color:var(--on-dark)}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--on-dark-2)}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--on-dark-2)}
.cta-points svg{flex:none;width:18px;height:18px;margin-top:3px;color:var(--aurora)}
.cta-actions{display:flex;flex-direction:column;gap:12px;justify-self:end;width:100%;max-width:320px}
@media (max-width:1023px){
  .cta-band{grid-template-columns:1fr;padding:40px}
  .cta-actions{justify-self:stretch;max-width:none}
}
@media (max-width:519px){
  .cta-band{padding:32px 20px;border-radius:20px}
  .cta-actions .btn{width:100%}
}

/* ============ 分页 ============ */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px}
.page-btn{
  min-width:40px;height:40px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-xs);
  background:#fff;color:var(--text-2);font-size:14px;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.page-btn:hover{border-color:rgba(47,211,191,.5);color:var(--aurora-ink)}
.page-btn.is-current{background:var(--aurora);border-color:var(--aurora);color:var(--ink-900);font-weight:600}
.page-btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-900);color:var(--on-dark);border:1px solid var(--dark-line);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease),background-color var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--ink-float)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);color:var(--on-dark-2);
  padding:72px 0 32px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:-160px;right:-100px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(47,211,191,.10),rgba(47,211,191,0) 70%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.06)}
.footer-brand .brand-name{color:var(--on-dark)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:340px}
.footer-col h3{font-size:15px;color:var(--on-dark);margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;line-height:1.7;color:var(--on-dark-2)}
.footer-col a{color:var(--on-dark-2)}
.footer-col a:hover{color:var(--aurora)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--dark-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--on-dark-3);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:519px){
  .site-footer{padding:52px 0 28px}
  .footer-grid{grid-template-columns:1fr}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms ease-out,transform 320ms ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important}
}