/* roulang page: index */
:root{
  --orange:#FF5A1F;
  --orange-dark:#E14A12;
  --orange-soft:#FFF1EA;
  --ink:#14161B;
  --ink-2:#2A2E36;
  --ink-3:#3A3F4A;
  --teal:#0FA79B;
  --teal-soft:#E2F5F3;
  --gold:#FFC24B;
  --bg:#FBF9F6;
  --bg-soft:#F5F2EE;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --text:#14161B;
  --muted:#5A5F6A;
  --r-card:18px;
  --r-btn:999px;
  --r-img:16px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,27,.04),0 8px 24px rgba(20,22,27,.05);
  --sh-2:0 12px 36px rgba(20,22,27,.10);
  --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --mono:"Space Grotesk","Roboto Mono","SFMono-Regular",Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}

/* ---------- 通用容器 ---------- */
.grid-container.page-container{
  max-width:1240px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:104px 0;}
.section--tight{padding:80px 0;}
.section--soft{background:var(--bg-soft);}
.section--ink{background:var(--ink);color:#F5F2EE;}
.section--ink a{color:#F5F2EE;}
.section--ink a:hover{color:var(--orange);}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--orange);
  text-transform:none;margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:block;}
.sec-title{
  font-size:clamp(26px,3.2vw,38px);
  line-height:1.22;letter-spacing:-.01em;font-weight:800;
}
.sec-desc{
  margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);max-width:660px;
}
.section--ink .sec-desc{color:#B9B6B1;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;}
.section-head .sec-desc{margin-top:14px;}

/* ---------- 徽章 / 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.02em;line-height:1.6;font-weight:600;
  background:var(--teal-soft);color:#0A7C73;white-space:nowrap;
}
.tag--orange{background:var(--orange-soft);color:var(--orange-dark);}
.tag--gold{background:#FFF4D9;color:#8A6300;}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform .16s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.24);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);background:var(--orange-dark);}
.btn-ghost{border:1px solid var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.section--ink .btn-ghost{border-color:rgba(245,242,238,.4);color:#F5F2EE;}
.section--ink .btn-ghost:hover{background:#F5F2EE;color:var(--ink);}
.btn-light{background:#F5F2EE;color:var(--ink);}
.btn-light:hover{background:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--teal);
}
.text-link:hover{color:var(--orange);}
.text-link .arrow{transition:transform .16s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#D9D6D1;font-size:13px;}
.topbar-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;min-height:44px;padding:6px 0;
}
.topbar-brand{color:#F5F2EE;font-weight:600;letter-spacing:.01em;}
.topbar-brand em{font-style:normal;color:var(--orange);}
.topbar-right{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.topbar-note{color:#9C9994;}
.topbar-link{
  color:var(--orange);font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.topbar-link:hover{color:#fff;}

/* ---------- 卡片化导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  padding:14px 0 10px;
  background:linear-gradient(180deg,rgba(251,249,246,.96) 60%,rgba(251,249,246,0));
  backdrop-filter:blur(6px);
}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:0 1px 2px rgba(20,22,27,.04),0 10px 30px rgba(20,22,27,.06);
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:var(--ink);color:var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:20px;font-weight:700;
}
.brand-name{display:block;font-size:16px;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.brand-sub{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em;line-height:1.5;}
.nav-items{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.nav-item svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7;}
.nav-item:hover{background:var(--bg-soft);border-color:var(--line);color:var(--ink);transform:translateY(-2px);}
.nav-item.is-active{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,90,31,.22);}
.nav-item.is-active:hover{background:var(--orange-dark);color:#fff;}
.nav-cta{margin-left:6px;}
.nav-burger{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  background:var(--card);
}
.nav-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-burger span::before,.nav-burger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease);
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
.nav-burger.is-open span{background:transparent;}
.nav-burger.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-burger.is-open span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;margin-top:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:10px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .nav-item{
  width:100%;min-height:52px;padding:14px 16px;font-size:15px;border-bottom:1px solid var(--line);
  border-radius:0;
}
.mobile-drawer .nav-item:last-of-type{border-bottom:0;}
.mobile-drawer .nav-item.is-active{border-radius:12px;border-bottom-color:transparent;}
.mobile-drawer .nav-cta{margin:10px 0 0;width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#F5F2EE;overflow:hidden;}
.hero-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.42;
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,22,27,.96) 0%,rgba(20,22,27,.82) 46%,rgba(20,22,27,.45) 100%);
}
.hero-inner{position:relative;z-index:2;padding:88px 0 96px;}
.hero-copy{max-width:720px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 14px;border-radius:var(--r-btn);
  background:rgba(255,90,31,.14);border:1px solid rgba(255,90,31,.36);
  color:#FFB694;font-size:13px;letter-spacing:.04em;margin-bottom:26px;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--orange);display:block;}
.hero-title{
  font-size:clamp(34px,5.4vw,64px);
  line-height:1.06;letter-spacing:-.02em;font-weight:900;color:#fff;
}
.hero-title em{font-style:normal;color:var(--orange);}
.hero-lead{
  margin-top:24px;font-size:clamp(15px,1.5vw,17px);line-height:1.9;color:#C9C6C1;max-width:600px;
}
.hero-lead strong{color:#F5F2EE;font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 32px;margin-top:44px;font-size:13.5px;color:#A8A5A0;}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts b{font-family:var(--mono);color:#F5F2EE;font-weight:600;}

.hero-panel{
  background:var(--card);border-radius:var(--r-card);padding:26px;
  color:var(--text);box-shadow:0 24px 60px rgba(0,0,0,.34);
  border:1px solid rgba(255,255,255,.6);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.panel-head h2{font-size:18px;font-weight:800;letter-spacing:-.01em;}
.panel-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.panel-row:last-of-type{border-bottom:0;}
.panel-row .k{color:var(--muted);}
.panel-row .v{font-weight:700;font-family:var(--mono);}
.panel-progress{margin-top:18px;}
.panel-progress .bar{height:8px;border-radius:99px;background:var(--bg-soft);overflow:hidden;margin-top:10px;}
.panel-progress .bar i{display:block;height:100%;width:76%;border-radius:99px;background:linear-gradient(90deg,var(--orange),#FF8A5B);}
.panel-progress .tip{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.panel-actions{margin-top:22px;display:flex;flex-direction:column;gap:10px;}

/* ---------- 指标条 ---------- */
.metrics-wrap{margin-top:-56px;position:relative;z-index:5;}
.metrics{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:32px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric{border-left:1px solid var(--line);padding-left:24px;}
.metric:first-child{border-left:0;padding-left:0;}
.metric-num{font-family:var(--mono);font-size:clamp(28px,3vw,40px);font-weight:700;letter-spacing:-.02em;color:var(--ink);line-height:1.1;}
.metric-num small{font-size:16px;color:var(--orange);margin-left:4px;font-weight:600;}
.metric-lbl{margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:12px;}
.tl-track{
  position:absolute;left:0;right:0;top:26px;height:2px;background:var(--line);
}
.tl-track i{display:block;height:100%;width:0;background:var(--orange);transition:width .6s var(--ease);}
.tl-nodes{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;position:relative;}
.tl-node{position:relative;padding-top:56px;}
.tl-node::before{
  content:"";position:absolute;top:18px;left:0;width:18px;height:18px;border-radius:50%;
  background:var(--card);border:3px solid var(--line);box-sizing:border-box;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.tl-node.is-active::before{border-color:var(--orange);background:var(--orange);}
.tl-time{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.tl-name{margin-top:10px;font-size:17px;font-weight:700;line-height:1.45;}
.tl-desc{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 嘉宾 ---------- */
.speaker-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:auto auto;gap:20px;}
.sp-card{
  background:var(--ink-2);border:1px solid rgba(245,242,238,.08);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.sp-card:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.4);box-shadow:0 18px 40px rgba(0,0,0,.35);}
.sp-card--wide{grid-row:1 / span 2;}
.sp-photo{width:100%;height:170px;overflow:hidden;background:#3A3F4A;}
.sp-card--wide .sp-photo{height:300px;flex:1;min-height:260px;}
.sp-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.sp-card:hover .sp-photo img{transform:scale(1.05);}
.sp-body{padding:20px;}
.sp-name{font-size:18px;font-weight:800;color:#fff;}
.sp-role{margin-top:6px;font-size:13px;color:var(--orange);letter-spacing:.02em;}
.sp-line{margin-top:12px;font-size:14px;color:#B9B6B1;line-height:1.75;}

/* ---------- 票种 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.ticket{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.ticket:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.3);box-shadow:var(--sh-2);}
.ticket--rec{transform:scale(1.04);border:1.5px solid var(--ink);box-shadow:0 18px 44px rgba(20,22,27,.12);position:relative;z-index:2;}
.ticket--rec:hover{transform:scale(1.04) translateY(-4px);}
.ticket-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.ticket-name{font-size:20px;font-weight:800;}
.ticket-price{margin-top:18px;font-family:var(--mono);font-size:44px;font-weight:700;letter-spacing:-.03em;line-height:1;}
.ticket-price em{font-style:normal;font-size:17px;color:var(--muted);margin-left:4px;}
.ticket-price-note{margin-top:8px;font-size:13px;color:var(--muted);}
.ticket-divider{height:1px;background:var(--line);margin:24px 0;}
.benefit{display:flex;gap:10px;font-size:14px;padding:8px 0;align-items:flex-start;}
.benefit .mk{flex-shrink:0;width:18px;height:18px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:4px;}
.benefit--yes .mk{background:var(--teal-soft);color:#0A7C73;}
.benefit--no{color:#9C9994;}
.benefit--no .mk{background:var(--bg-soft);color:#B4B0AA;}
.ticket-foot{margin-top:auto;padding-top:26px;}

/* ---------- 资讯列表 ---------- */
.post-list{display:grid;gap:14px;}
.post-item{
  display:flex;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:0 1px 2px rgba(20,22,27,.03);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.post-item:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.3);box-shadow:var(--sh-2);}
.post-thumb{
  width:132px;height:92px;border-radius:12px;overflow:hidden;flex-shrink:0;background:var(--bg-soft);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{min-width:0;flex:1;}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.post-time{font-family:var(--mono);font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.post-title{font-size:17px;font-weight:700;line-height:1.5;}
.post-title a:hover{color:var(--orange);}
.post-excerpt{
  margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-actions{display:flex;justify-content:center;margin-top:34px;}
.empty-card{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--card);
  padding:48px 24px;text-align:center;
}
.empty-card .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
}
.empty-card p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16.5px;font-weight:700;line-height:1.55;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.faq-q:hover{background:var(--bg-soft);}
.faq-q .ico{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--muted);
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--orange-dark);}
.faq-item.is-open .ico{transform:rotate(45deg);background:var(--orange);border-color:var(--orange);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 26px 24px;font-size:15px;color:var(--muted);line-height:1.85;max-width:820px;}

/* ---------- 报名 CTA ---------- */
.cta-section{background:var(--ink);color:#F5F2EE;position:relative;overflow:hidden;}
.cta-section .bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{position:relative;z-index:2;}
.cta-title{font-size:clamp(26px,3.2vw,38px);line-height:1.2;font-weight:800;color:#fff;letter-spacing:-.01em;}
.cta-list{margin-top:26px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:15px;color:#C9C6C1;align-items:flex-start;}
.cta-list li .dot{
  flex-shrink:0;width:20px;height:20px;border-radius:6px;background:rgba(255,90,31,.16);
  color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:4px;
}
.signup-card{
  background:var(--card);border-radius:var(--r-card);padding:30px;color:var(--text);
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.signup-card h3{font-size:19px;font-weight:800;margin-bottom:6px;}
.signup-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{position:relative;margin-bottom:18px;}
.field input,.field select{
  width:100%;height:52px;border:1px solid var(--line);border-radius:14px;
  padding:18px 16px 6px;background:#fff;font-size:16px;
  transition:border-color .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease);
}
.field select{padding-top:20px;padding-bottom:4px;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 22px) 24px,calc(100% - 16px) 24px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field label{
  position:absolute;left:17px;top:16px;font-size:15px;color:var(--muted);pointer-events:none;
  transition:top .16s var(--ease),font-size .16s var(--ease),color .16s var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--orange);background:#FFFCFA;box-shadow:0 0 0 3px rgba(255,90,31,.12);}
.field input:focus+label,.field select:focus+label,
.field input:not(:placeholder-shown)+label,.field select:valid+label{
  top:8px;font-size:11.5px;color:var(--orange-dark);letter-spacing:.02em;
}
.field .err{display:none;margin-top:6px;font-size:13px;color:#C0392B;}
.field.has-error input{border-color:var(--orange);background:#FFF7F3;}
.field.has-error .err{display:block;}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7;}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:12px;
  background:var(--teal-soft);color:#0A7C73;font-size:13.5px;
}
.form-ok.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:#9C9994;padding:72px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.foot-brand .brand-mark{background:#2A2E36;color:var(--orange);}
.foot-brand .brand-name{color:#F5F2EE;}
.foot-brand .brand-sub{color:#8B8884;}
.foot-about{font-size:14px;line-height:1.85;max-width:340px;}
.foot-col h4{font-size:14px;color:#F5F2EE;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.foot-col li{margin-bottom:11px;}
.foot-col a,.foot-col span{font-size:14px;color:#9C9994;display:inline-block;transition:color .16s var(--ease),transform .16s var(--ease);}
.foot-col a:hover{color:var(--orange);transform:translateX(-2px);}
.foot-bottom{
  margin-top:56px;border-top:1px solid rgba(245,242,238,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;
}
.foot-bottom a{color:#9C9994;}
.foot-bottom a:hover{color:var(--orange);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;color:#F5F2EE;font-size:13px;font-weight:600;
}
.to-top:hover{color:var(--orange);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .nav-item{padding:9px 11px;font-size:13.5px;}
  .brand-sub{display:none;}
}
@media screen and (max-width:1023px){
  .section{padding:80px 0;}
  .hero-inner{padding:64px 0 78px;}
  .nav-items,.nav-cta{display:none;}
  .nav-burger{display:flex;}
  .speaker-grid{grid-template-columns:1fr 1fr;}
  .speaker-grid .sp-card--wide{grid-column:1 / -1;grid-row:auto;}
  .sp-card--wide .sp-photo{height:220px;flex:none;}
  .tl-nodes{grid-template-columns:repeat(3,1fr);gap:20px 16px;}
  .tl-track{display:none;}
  .tl-node{padding-top:26px;}
  .tl-node::before{top:0;left:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .grid-container.page-container{padding-left:16px;padding-right:16px;}
  .grid-x.grid-padding-x{margin-left:-8px;margin-right:-8px;}
  .grid-x.grid-padding-x>.cell{padding-left:8px;padding-right:8px;}
  .topbar-note{display:none;}
  .hero-inner{padding:48px 0 64px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:10px 20px;margin-top:32px;}
  .metrics-wrap{margin-top:-36px;}
  .metrics{grid-template-columns:1fr 1fr;padding:24px 18px;gap:20px 16px;}
  .metric{border-left:0;padding-left:0;}
  .metric-num{font-size:30px;}
  .tl-nodes{grid-template-columns:1fr;}
  .tl-node{border-left:1px solid var(--line);padding-left:20px;padding-top:0;padding-bottom:8px;}
  .tl-node::before{top:6px;left:-9px;}
  .speaker-grid{grid-template-columns:1fr;}
  .ticket-grid{grid-template-columns:1fr;gap:16px;}
  .ticket--rec{transform:none;}
  .ticket--rec:hover{transform:translateY(-4px);}
  .post-item{flex-direction:column;align-items:stretch;}
  .post-thumb{width:100%;height:170px;}
  .faq-q{padding:18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 20px;}
  .signup-card{padding:22px;}
  .foot-grid{grid-template-columns:1fr;}
  .site-foot{padding-top:56px;}
}
@media screen and (max-width:520px){
  .metrics{grid-template-columns:1fr;}
  .hero-title{font-size:clamp(28px,8.6vw,38px);}
  .brand-mark{width:38px;height:38px;font-size:18px;}
  .brand-name{font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E14A12;
  --brand-soft:rgba(255,90,31,.10);
  --brand-line:rgba(255,90,31,.32);
  --ink:#14161B;
  --ink-2:#2A2E36;
  --ink-3:#3B414C;
  --celadon:#0FA79B;
  --celadon-soft:rgba(15,167,155,.12);
  --gold:#FFC24B;
  --bg:#FBF9F6;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --text:#5A5F6A;
  --on-dark:#F5F2EE;
  --on-dark-dim:#B9BCC4;
  --r-card:18px;
  --r-img:16px;
  --r-btn:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,27,.04),0 8px 24px rgba(20,22,27,.05);
  --sh-2:0 12px 36px rgba(20,22,27,.10);
  --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"Space Grotesk","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --t:180ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--ink);
  font-family:var(--sans);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
p{margin:0 0 1.2em}
a{color:var(--celadon);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.page-container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.grid-container.page-container{max-width:1240px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:var(--on-dark);font-size:13px;line-height:1.6}
.topbar .page-container{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;min-height:40px;padding-top:6px;padding-bottom:6px}
.topbar-left{display:flex;align-items:center;gap:8px;color:var(--on-dark-dim)}
.topbar-left strong{color:var(--on-dark);font-weight:700}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-deadline{color:var(--gold);font-family:var(--mono);letter-spacing:.02em}
.topbar-link{color:var(--brand);font-weight:700;font-size:13px}
.topbar-link:hover{color:#fff}

/* ---------- 导航卡片 ---------- */
.site-head{position:relative;z-index:40}
.nav-shell{position:sticky;top:0;padding:12px 0 0;background:linear-gradient(to bottom,var(--bg) 70%,rgba(251,249,246,0))}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:10px 12px 10px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{color:var(--ink);font-weight:800;font-size:15px;letter-spacing:-.01em}
.brand-sub{color:var(--text);font-size:12px;letter-spacing:.02em}
.nav-items{display:flex;align-items:center;gap:6px;flex:1 1 auto;flex-wrap:wrap}
.nav-item{
  display:flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  color:var(--ink-2);font-size:14px;font-weight:600;
  border:1px solid transparent;background:#FBF9F6;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
  min-height:44px;
}
.nav-item svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-dark);transform:translateY(-1px)}
.nav-item.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-item.is-active svg{stroke:#fff}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  min-height:46px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.22)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary .arrow{transition:transform var(--t)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:transparent;border-color:rgba(245,242,238,.4);color:var(--on-dark)}
.btn-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 9px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.02em;line-height:1.6;font-weight:600;
}
.badge-cat{background:var(--celadon-soft);color:#0A7A71}
.badge-state{background:var(--brand-soft);color:var(--brand-dark)}
.badge-gold{background:var(--gold);color:#5C3D00}
.badge-ink{background:var(--ink-2);color:var(--on-dark)}

/* ---------- 文章头部 ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--text)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:#C4BEB4}
.crumbs a{color:var(--celadon);font-weight:600}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--text);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.article-head{padding:24px 0 32px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:clamp(28px,4.4vw,52px);
  line-height:1.12;letter-spacing:-.02em;
  max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--text)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC9BF}
.article-meta .mono{font-family:var(--mono);letter-spacing:.02em;color:var(--ink-2)}

/* ---------- 布局 ---------- */
.layout{padding:48px 0 8px}
.layout .grid-x{gap:0}

/* ---------- 正文 ---------- */
.reader{max-width:820px}
.article-body{font-size:17px;line-height:1.85;color:var(--text)}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.85}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);
  margin:48px 0 16px;
  padding-left:16px;
  border-left:3px solid var(--brand);
  line-height:1.3;
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--ink)}
.article-body h4{font-size:18px;margin:24px 0 10px;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;font-size:17px;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.68em;
  width:8px;height:8px;border-radius:2px;background:var(--celadon);
}
.article-body ol{counter-reset:li;padding-left:4px}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px}
.article-body ol li::before{
  counter-increment:li;content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:13px;color:var(--brand);font-weight:700;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--bg);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:20px 0 8px;width:100%;object-fit:cover}
.article-body figure{margin:20px 0}
.article-body figcaption{font-size:13px;color:var(--text);text-align:center;padding-top:6px}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;
  display:block;overflow-x:auto;white-space:nowrap;
  border:1px solid var(--line);border-radius:12px;
}
.article-body thead th{background:var(--ink);color:var(--on-dark);font-weight:700;font-size:14px;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);font-size:14.5px}
.article-body tbody tr:nth-child(even){background:#FCFBF9}
.article-body a{color:var(--celadon);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body code{font-family:var(--mono);font-size:14px;background:var(--brand-soft);color:var(--brand-dark);padding:2px 6px;border-radius:6px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:20px;
}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand)}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:10px;
  font-size:13.5px;color:var(--text);line-height:1.5;
  border-left:2px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.toc-list a:hover{background:var(--bg);color:var(--ink)}
.toc-list a.is-current{color:var(--brand-dark);background:var(--brand-soft);border-left-color:var(--brand);font-weight:700}
.toc-empty{font-size:13px;color:var(--text);line-height:1.7}
.side-rel{display:flex;flex-direction:column;gap:12px}
.mini-card{display:flex;gap:12px;align-items:flex-start}
.mini-card img{width:64px;height:52px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:#EFEAE3}
.mini-card h4{font-size:14px;line-height:1.5;margin-bottom:4px;font-weight:700}
.mini-card h4 a{color:var(--ink)}
.mini-card h4 a:hover{color:var(--brand)}
.mini-card .mono{font-family:var(--mono);font-size:12px;color:var(--text)}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #D6CFC4;border-radius:var(--r-card);
  background:#FDFCFA;padding:38px 28px;text-align:center;
}
.empty-state .icon{
  width:46px;height:46px;margin:0 auto 14px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.empty-state h3{font-size:19px;margin-bottom:8px}
.empty-state p{font-size:14.5px;margin-bottom:18px}

/* ---------- 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:44px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.pager-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.pager-card .label{font-size:12px;letter-spacing:.06em;color:var(--text);font-family:var(--mono)}
.pager-card h4{font-size:16px;margin-top:8px;line-height:1.5;color:var(--ink)}
.pager-card.next{text-align:right;transform:translateY(14px)}
.pager-card.next:hover{transform:translateY(10px)}
.back-line{margin-top:30px}

/* ---------- 相关推荐 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:var(--on-dark)}
.section-dark h2,.section-dark h3,.section-dark h4{color:var(--on-dark)}
.section-dark p{color:var(--on-dark-dim)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;
  color:var(--brand);margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand)}
.section-head p{max-width:560px;font-size:15px;margin:0}

.rel-list{display:flex;flex-direction:column;gap:16px}
.rel-card{
  display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.rel-card .thumb{width:132px;height:88px;border-radius:12px;object-fit:cover;background:#EFEAE3}
.rel-card h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.rel-card h3 a{color:var(--ink)}
.rel-card h3 a:hover{color:var(--brand)}
.rel-card p{font-size:14px;line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .meta{font-family:var(--mono);font-size:12.5px;color:var(--text);white-space:nowrap}

/* ---------- CTA ---------- */
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta-grid h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.02em;margin-bottom:14px}
.cta-grid p{font-size:15.5px;margin-bottom:22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-panel{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(245,242,238,.14);
  border-radius:var(--r-card);padding:26px;
}
.cta-panel ul{display:flex;flex-direction:column;gap:12px}
.cta-panel li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--on-dark);line-height:1.7}
.cta-panel li svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;fill:none;stroke:var(--celadon);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:var(--on-dark-dim);padding:72px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-col h4{color:var(--on-dark);font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.foot-brand{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.foot-brand .brand-mark{width:40px;height:40px}
.foot-brand .brand-name{color:var(--on-dark);font-size:16px;font-weight:800;display:block}
.foot-brand .brand-sub{display:block;font-size:12px;color:var(--on-dark-dim)}
.foot-about{font-size:14px;line-height:1.8;color:var(--on-dark-dim);max-width:340px}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col li{font-size:14px;line-height:1.7}
.foot-col a{color:var(--on-dark-dim);display:inline-block;transition:color var(--t),transform var(--t)}
.foot-col a:hover{color:var(--brand);transform:translateX(-2px)}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(245,242,238,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--on-dark-dim);
}
.to-top{color:var(--brand);font-weight:700}
.to-top:hover{color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity 420ms cubic-bezier(.22,.61,.36,1),transform 420ms cubic-bezier(.22,.61,.36,1)}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.is-in{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition-duration:.01ms!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .side{position:static;margin-top:32px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-toggle{display:flex}
  .nav-items{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:8px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-2);padding:14px;
    display:none;
  }
  .nav-items.is-open{display:flex}
  .nav-item{min-height:48px;background:#FBF9F6}
  .nav-cta{display:none}
  .nav-card{position:relative;justify-content:space-between}
  .brand-sub{display:none}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .layout{padding:32px 0 0}
  .article-body{font-size:16px}
  .article-body p{font-size:16px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left;transform:none}
  .pager-card.next:hover{transform:translateY(-4px)}
  .rel-card{grid-template-columns:96px 1fr;gap:14px}
  .rel-card .thumb{width:96px;height:72px}
  .rel-card .meta{grid-column:1 / -1}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .page-container{padding-left:16px;padding-right:16px}
}
@media (max-width:520px){
  .topbar-right{display:none}
  .article-head{padding-bottom:24px}
  .crumbs{padding-top:18px}
  .btn{width:100%}
  .btn.btn-inline{width:auto}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E14A12;
  --brand-soft:rgba(255,90,31,.10);
  --ink:#14161B;
  --ink-2:#2A2E36;
  --jade:#0FA79B;
  --jade-soft:rgba(15,167,155,.12);
  --gold:#FFC24B;
  --bg:#FBF9F6;
  --card:#FFFFFF;
  --line:#E7E2DA;
  --muted:#5A5F6A;
  --light-text:#F5F2EE;
  --r-card:18px;
  --r-img:16px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,27,.04), 0 8px 24px rgba(20,22,27,.05);
  --sh-2:0 12px 36px rgba(20,22,27,.10);
  --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Space Grotesk","Roboto Mono","SFMono-Regular",Consolas,monospace;
  --tr:200ms 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:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--tr),border-color var(--tr),background var(--tr),transform var(--tr)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4,h5,h6{margin:0 0 12px;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2rem,4.6vw,4rem);line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem)}
h3{font-size:clamp(1.2rem,1.6vw,1.5rem);line-height:1.4}
h4{font-size:1.125rem}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand);color:#fff}

/* ---------- Foundation 覆盖 ---------- */
.grid-container.page-container{max-width:1240px;width:100%;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
.grid-container-full{width:100%;max-width:none;padding:0}
body,button,input,select,textarea{font-family:var(--sans)}
.accordion,.accordion-item,.accordion-title,.accordion-content{border:0;background:none}
.accordion-title{font-size:1rem;padding:0}
.accordion-title::before{display:none!important}
.reveal{border-radius:var(--r-card)}

/* ---------- 通用组件 ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:var(--light-text)}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark p{color:rgba(245,242,238,.78)}
.section-head{max-width:780px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:13px;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--brand);display:inline-block}
.lead{font-size:clamp(1rem,1.2vw,1.125rem);color:var(--muted);line-height:1.8}
.section-dark .lead{color:rgba(245,242,238,.72)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--tr),color var(--tr),transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.btn .arrow{transition:transform var(--tr);font-family:var(--mono)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);color:#fff}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(245,242,238,.45);color:var(--light-text);background:transparent}
.btn-ghost-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.02em;font-weight:600;line-height:1.6;
}
.badge-jade{background:var(--jade-soft);color:#0B7A72}
.badge-brand{background:var(--brand-soft);color:#C23F0C}
.badge-gold{background:rgba(255,194,75,.24);color:#8A5B00}
.badge-line{border:1px solid var(--line);color:var(--muted);background:#fff}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card-hover:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.32);box-shadow:var(--sh-2)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(245,242,238,.82);font-size:13px;line-height:1.6}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:6px 0}
.topbar strong{color:#fff;font-weight:600}
.topbar .topbar-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.topbar .topbar-link{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(255,90,31,.4);padding-bottom:1px}
.topbar .topbar-link:hover{color:#fff;border-color:#fff}

/* ---------- 卡片化导航 ---------- */
.nav-shell{position:sticky;top:0;z-index:60;padding:14px 0;background:rgba(251,249,246,.92);backdrop-filter:blur(8px)}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:12px;min-height:48px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:20px;letter-spacing:0;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.02em}
.nav-items{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:12px;border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--ink-2);min-height:44px;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.nav-item svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.nav-item:hover{background:#F4F1EC;color:var(--brand)}
.nav-item.is-active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(255,90,31,.22)}
.nav-cta{flex:0 0 auto;padding:0 22px;min-height:44px;font-size:14px}
.nav-toggle{
  display:none;width:48px;height:48px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:auto;background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--tr),opacity var(--tr)}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;background:var(--ink);color:var(--light-text);overflow:hidden}
.page-hero .hero-bg{position:absolute;inset:0;z-index:0}
.page-hero .hero-bg img{width:100%;height:100%}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,27,.94) 0%,rgba(20,22,27,.82) 46%,rgba(20,22,27,.5) 100%);
}
.page-hero .hero-inner{position:relative;z-index:1;padding:76px 0 84px;max-width:900px}
.page-hero h1{color:#fff;margin-bottom:20px;font-size:clamp(1.9rem,4vw,3.4rem)}
.page-hero .hero-lead{font-size:clamp(1rem,1.3vw,1.15rem);color:rgba(245,242,238,.86);margin-bottom:8px}
.page-hero .hero-sub{font-size:15px;color:rgba(245,242,238,.66);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(245,242,238,.6);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--jade)}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{opacity:.5}
.hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:760px}
.hero-fact{
  background:rgba(255,255,255,.07);border:1px solid rgba(245,242,238,.16);
  border-radius:14px;padding:16px 18px;
}
.hero-fact .num{font-family:var(--mono);font-size:24px;font-weight:700;color:#fff;display:block;line-height:1.3}
.hero-fact .lbl{font-size:13px;color:rgba(245,242,238,.66)}

/* ---------- 入口速览 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.entry-card{padding:26px 24px}
.entry-card .entry-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.entry-card h3{margin-bottom:8px;font-size:1.15rem}
.entry-card p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.entry-card .entry-meta{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;color:var(--ink-2)}
.entry-icon{
  width:40px;height:40px;border-radius:12px;background:#F4F1EC;color:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.entry-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 步骤区 ---------- */
.steps-layout{align-items:flex-start}
.toc-card{position:sticky;top:106px;padding:22px}
.toc-title{font-size:13px;font-family:var(--mono);letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);border-left:2px solid transparent;transition:all var(--tr);
}
.toc-link .idx{font-family:var(--mono);font-size:12px;color:var(--muted)}
.toc-link:hover{background:#F4F1EC;color:var(--brand)}
.toc-link.is-current{background:var(--brand-soft);color:#C23F0C;border-left-color:var(--brand);font-weight:600}
.toc-link.is-current .idx{color:var(--brand)}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

.step-list{display:flex;flex-direction:column;gap:0}
.step-item{position:relative;padding:0 0 36px 0}
.step-item:last-child{padding-bottom:0}
.step-item::before{
  content:"";position:absolute;left:27px;top:64px;bottom:6px;width:1px;background:var(--line);
}
.step-item:last-child::before{display:none}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 28px 26px 28px;margin-left:56px;
  transition:border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.step-card:hover{border-color:rgba(255,90,31,.32);box-shadow:var(--sh-2);transform:translateY(-3px)}
.step-num{
  position:absolute;left:-56px;top:22px;width:56px;height:56px;border-radius:14px;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:19px;font-weight:700;letter-spacing:.02em;
}
.step-item.is-active .step-num{background:var(--brand);box-shadow:0 8px 20px rgba(255,90,31,.28)}
.step-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.step-card h3{margin-bottom:12px;font-size:clamp(1.15rem,1.5vw,1.35rem)}
.step-card p{color:var(--muted);font-size:15.5px}
.step-points{margin:16px 0 20px;display:flex;flex-direction:column;gap:8px}
.step-points li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-2)}
.step-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--jade);
}
.step-shot{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:#F4F1EC}
.step-shot img{width:100%;height:220px}
.step-shot figcaption{font-size:13px;color:var(--muted);padding:10px 14px;background:#fff;border-top:1px solid var(--line)}

/* ---------- 卡点提示（深色） ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.tip-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(245,242,238,.14);
  border-radius:var(--r-card);padding:24px;
}
.tip-card h4{color:#fff;margin-bottom:10px}
.tip-card p{font-size:14.5px;color:rgba(245,242,238,.72);margin:0}
.tip-card .tip-tag{font-family:var(--mono);font-size:12px;color:var(--gold);letter-spacing:.06em;display:block;margin-bottom:10px}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.prep-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.prep-media img{width:100%;height:400px}
.prep-list{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.prep-list li{display:flex;gap:16px;align-items:flex-start}
.prep-idx{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);
  border:1px solid rgba(255,90,31,.35);border-radius:8px;padding:4px 10px;flex:0 0 auto;margin-top:2px;
}
.prep-list h4{margin-bottom:4px;font-size:1rem}
.prep-list p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  background:var(--ink);border-radius:24px;padding:52px 48px;color:var(--light-text);
}
.cta-panel h2{color:#fff;margin-bottom:14px}
.cta-panel p{color:rgba(245,242,238,.74)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{background:rgba(255,255,255,.05);border:1px solid rgba(245,242,238,.14);border-radius:var(--r-card);padding:26px}
.cta-side .cta-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid rgba(245,242,238,.12);font-size:14.5px}
.cta-side .cta-row:last-child{border-bottom:0;padding-bottom:0}
.cta-side .cta-row span:first-child{color:rgba(245,242,238,.62)}
.cta-side .cta-row span:last-child{font-family:var(--mono);color:#fff;font-weight:600}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:rgba(245,242,238,.72);padding:72px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--brand)}
.foot-brand .brand-name{color:#fff;font-size:15px;font-weight:700;display:block}
.foot-brand .brand-sub{display:block;font-size:12px;color:rgba(245,242,238,.55)}
.foot-about{font-size:14px;line-height:1.8;color:rgba(245,242,238,.62);margin:0}
.foot-col h4{font-size:14px;color:#fff;letter-spacing:.02em;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:14px;color:rgba(245,242,238,.66)}
.foot-col a{display:inline-block}
.foot-col a:hover{color:var(--brand);transform:translateX(2px)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(245,242,238,.14);
  font-size:13px;color:rgba(245,242,238,.55);
}
.to-top{color:var(--brand);font-weight:600}
.to-top:hover{color:#fff}

/* ---------- 入场动效 ---------- */
.reveal-up{opacity:0;transform:translateY(16px);transition:opacity 420ms cubic-bezier(.22,.61,.36,1),transform 420ms cubic-bezier(.22,.61,.36,1)}
.reveal-up.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .entry-grid{grid-template-columns:1fr 1fr}
  .prep-grid{grid-template-columns:1fr;gap:28px}
  .prep-media img{height:300px}
  .cta-panel{grid-template-columns:1fr;padding:40px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-card{gap:12px}
  .nav-items{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-card.is-open .nav-items{
    display:flex;flex-direction:column;align-items:stretch;gap:8px;
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:70;
    background:var(--bg);padding:96px 20px 120px;overflow-y:auto;justify-content:flex-start;
  }
  .nav-card.is-open .nav-item{font-size:16px;padding:14px 16px;border:1px solid var(--line);background:#fff}
  .nav-card.is-open .nav-cta{
    display:inline-flex;position:fixed;left:20px;right:20px;bottom:28px;z-index:80;justify-content:center;
  }
  .nav-card.is-open .nav-toggle{position:relative;z-index:90}
  .toc-card{position:static;margin-bottom:28px}
  .toc-list{flex-direction:row;flex-wrap:wrap}
  .toc-link{border-left:0;border:1px solid var(--line);background:#fff}
  .toc-link.is-current{border-color:var(--brand)}
  .toc-note{display:none}
  .step-card{margin-left:52px;padding:22px 20px}
  .step-item::before{left:25px}
  .step-num{left:-52px;width:52px;height:52px;font-size:17px}
  .tip-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .topbar .inner{flex-direction:column;align-items:flex-start;gap:4px}
  .entry-grid{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr 1fr}
  .page-hero .hero-inner{padding:56px 0 64px}
  .hero-actions .btn{flex:1 1 auto}
  .step-card{margin-left:0;padding:22px 18px 22px}
  .step-item::before{display:none}
  .step-num{position:static;margin-bottom:14px}
  .foot-grid{grid-template-columns:1fr}
  .site-foot{padding:56px 0 24px}
}
@media (max-width:520px){
  .grid-container.page-container{padding-left:16px;padding-right:16px}
  .brand-sub{display:none}
  .hero-facts{grid-template-columns:1fr}
  .step-shot img{height:180px}
  .cta-actions .btn{width:100%}
  .section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal-up{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
    --primary:#FF5A1F;
    --primary-dark:#E14A12;
    --primary-soft:rgba(255,90,31,.10);
    --ink:#14161B;
    --ink-2:#2A2E36;
    --jade:#0FA79B;
    --jade-soft:rgba(15,167,155,.12);
    --gold:#FFC24B;
    --bg:#FBF9F6;
    --card:#FFFFFF;
    --line:#E7E2DA;
    --text:#14161B;
    --muted:#5A5F6A;
    --r-card:18px;
    --r-pill:999px;
    --r-badge:6px;
    --r-img:16px;
    --shadow-1:0 1px 2px rgba(20,22,27,.04),0 8px 24px rgba(20,22,27,.05);
    --shadow-2:0 12px 36px rgba(20,22,27,.10);
    --sans:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --mono:"Space Grotesk","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;padding:0;background:var(--bg);color:var(--text);
    font-family:var(--sans);font-size:17px;line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;object-fit:cover;}
  a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
  a:hover{color:var(--primary);}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p,figure{margin:0;}
  button,input,select,textarea{font-family:inherit;font-size:16px;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
  .grid-container.page-container{max-width:1240px;padding-left:20px;padding-right:20px;}

  /* ============ 顶部信息条 ============ */
  .topbar{background:var(--ink);color:#F5F2EE;font-size:13px;line-height:1.6;}
  .topbar-inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;min-height:40px;padding-top:6px;padding-bottom:6px;}
  .topbar-brand{color:#F5F2EE;}
  .topbar-brand strong{color:#fff;font-weight:600;}
  .topbar-right{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
  .topbar-right .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block;margin-right:6px;}
  .topbar-link{color:var(--primary);font-weight:600;}
  .topbar-link:hover{color:#fff;}

  /* ============ 卡片化导航 ============ */
  .nav-wrap{position:sticky;top:0;z-index:60;padding:14px 0 10px;background:linear-gradient(180deg,var(--bg) 60%,rgba(251,249,246,.75));}
  .nav-panel{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-1);display:flex;align-items:center;gap:18px;
    padding:10px 14px;
  }
  .brand{display:flex;align-items:center;gap:10px;min-width:0;}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;background:var(--primary);color:#fff;
    font-family:var(--mono);font-size:19px;font-weight:700;display:grid;place-items:center;flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
  .brand-name{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
  .brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
  .nav-items{display:flex;align-items:center;gap:8px;margin-left:auto;}
  .nav-item{
    display:flex;align-items:center;gap:7px;padding:9px 13px;border-radius:12px;
    border:1px solid transparent;color:var(--ink-2);font-size:14px;font-weight:500;
    transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
  }
  .nav-item svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .nav-item:hover{background:var(--bg);border-color:var(--line);color:var(--ink);transform:translateY(-1px);}
  .nav-item.is-active{background:var(--primary-soft);border-color:rgba(255,90,31,.28);color:var(--primary-dark);font-weight:600;}
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;
    padding:11px 20px;border-radius:var(--r-pill);font-size:14px;font-weight:600;white-space:nowrap;
    transition:background .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
  }
  .nav-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,90,31,.28);}
  .nav-cta i{transition:transform .16s var(--ease);}
  .nav-cta:hover i{transform:translateX(4px);}
  .nav-burger{
    display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
    background:var(--card);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-burger i{font-size:18px;}
  .drawer{display:none;}
  .drawer.is-open{display:block;}
  .drawer-panel{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-2);margin-top:12px;padding:14px;
  }
  .drawer-panel .nav-item{padding:14px 12px;font-size:16px;border-radius:14px;}
  .drawer-panel .nav-item + .nav-item{margin-top:6px;}
  .drawer-cta{display:block;text-align:center;margin-top:12px;}

  /* ============ 原生 Hero ============ */
  .page-hero{
    position:relative;background:var(--ink);color:#F5F2EE;overflow:hidden;
    margin-top:6px;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;background-position:center;
    opacity:.42;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(20,22,27,.94) 0%,rgba(20,22,27,.78) 48%,rgba(20,22,27,.55) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:88px 0 76px;}
  .crumb{font-size:13px;color:rgba(245,242,238,.66);letter-spacing:.02em;margin-bottom:20px;}
  .crumb a{color:rgba(245,242,238,.82);}
  .crumb a:hover{color:var(--primary);}
  .crumb span.sep{margin:0 8px;opacity:.5;}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;background:rgba(255,90,31,.16);
    border:1px solid rgba(255,90,31,.42);color:#FFB08A;
    padding:6px 14px;border-radius:var(--r-badge);font-size:12px;letter-spacing:.06em;margin-bottom:22px;
  }
  .page-hero h1{
    font-size:clamp(34px,5.2vw,60px);line-height:1.08;letter-spacing:-.02em;font-weight:700;
    color:#fff;max-width:820px;
  }
  .page-hero h1 em{font-style:normal;color:var(--primary);}
  .hero-lead{margin-top:22px;max-width:720px;font-size:clamp(16px,1.6vw,18px);line-height:1.85;color:rgba(245,242,238,.82);}
  .hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
  .hero-fact{
    background:rgba(255,255,255,.07);border:1px solid rgba(245,242,238,.16);
    border-radius:12px;padding:12px 18px;min-width:150px;
  }
  .hero-fact b{display:block;font-family:var(--mono);font-size:22px;color:#fff;line-height:1.2;}
  .hero-fact span{font-size:12.5px;color:rgba(245,242,238,.7);letter-spacing:.03em;}

  /* ============ 通用板块 ============ */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-dark{background:var(--ink);color:#F5F2EE;}
  .section-dark .sec-sub,.section-dark p{color:rgba(245,242,238,.78);}
  .sec-head{max-width:760px;margin-bottom:48px;}
  .sec-kicker{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
    color:var(--jade);text-transform:uppercase;font-family:var(--mono);margin-bottom:14px;
  }
  .sec-kicker::before{content:"";width:26px;height:1px;background:var(--jade);display:inline-block;}
  .sec-title{font-size:clamp(26px,3.3vw,38px);line-height:1.2;letter-spacing:-.01em;font-weight:700;}
  .sec-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);}

  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,31,.30);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-badge);
    padding:3px 9px;font-size:12px;letter-spacing:.02em;line-height:1.6;
  }
  .badge-jade{background:var(--jade-soft);color:#0B7A71;}
  .badge-orange{background:var(--primary-soft);color:var(--primary-dark);}
  .badge-gold{background:rgba(255,194,75,.22);color:#8A5B00;}
  .badge-ink{background:rgba(20,22,27,.06);color:var(--muted);}

  /* ============ 双栏布局 ============ */
  .help-layout{align-items:flex-start;}
  .panel-title{font-size:clamp(20px,2.2vw,24px);line-height:1.4;font-weight:700;letter-spacing:-.01em;}
  .group-head{
    display:flex;align-items:center;gap:12px;margin:36px 0 14px;
  }
  .group-head:first-of-type{margin-top:0;}
  .group-index{
    width:30px;height:30px;border-radius:9px;background:var(--ink);color:#fff;
    font-family:var(--mono);font-size:13px;display:grid;place-items:center;flex:0 0 auto;
  }
  .group-head h3{font-size:19px;font-weight:700;letter-spacing:-.01em;}
  .group-head .line{flex:1;height:1px;background:var(--line);}

  /* Accordion 皮肤 */
  .accordion.help-acc{border:none;background:transparent;}
  .accordion.help-acc .accordion-item{border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-1);}
  .accordion.help-acc .accordion-title{
    border:none;padding:17px 48px 17px 18px;font-size:16px;font-weight:600;color:var(--ink);
    position:relative;transition:color .18s var(--ease),background .18s var(--ease);
  }
  .accordion.help-acc .accordion-title:hover{color:var(--primary-dark);background:#FDFBF8;}
  .accordion.help-acc .accordion-title::before{
    content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
    position:absolute;right:18px;top:50%;transform:translateY(-50%);
    font-size:13px;color:var(--primary);transition:transform .2s var(--ease);
  }
  .accordion.help-acc .accordion-item.is-active .accordion-title{color:var(--primary-dark);}
  .accordion.help-acc .accordion-item.is-active .accordion-title::before{content:"\f068";}
  .accordion.help-acc .accordion-content{border:none;padding:0 18px 18px;color:var(--muted);font-size:15.5px;line-height:1.85;background:transparent;}
  .accordion.help-acc .accordion-content p + p{margin-top:12px;}
  .accordion.help-acc .accordion-content ul{margin-top:10px;}
  .accordion.help-acc .accordion-content li{position:relative;padding-left:16px;margin-bottom:6px;}
  .accordion.help-acc .accordion-content li::before{
    content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--jade);
  }

  /* ============ 表单卡 ============ */
  .form-card{position:sticky;top:96px;padding:26px 24px 24px;}
  .form-card .card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
  .form-card h3{font-size:21px;font-weight:700;}
  .form-note{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:20px;}
  .field{position:relative;margin-bottom:20px;}
  .field input,.field select{
    width:100%;height:52px;border:1px solid var(--line);border-radius:14px;background:var(--card);
    padding:20px 14px 6px;color:var(--ink);font-size:16px;
    transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
    appearance:none;
  }
  .field select{padding-top:20px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 24px,calc(100% - 14px) 24px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
  .field label{
    position:absolute;left:15px;top:16px;font-size:15px;color:var(--muted);pointer-events:none;
    transition:all .18s var(--ease);
  }
  .field input:focus,.field select:focus{
    outline:none;border-color:var(--primary);background:#FFF9F5;box-shadow:0 0 0 3px rgba(255,90,31,.12);
  }
  .field input:focus + label,.field input:not(:placeholder-shown) + label,
  .field select:focus + label,.field select.has-value + label{
    top:8px;font-size:11.5px;color:var(--primary-dark);letter-spacing:.04em;
  }
  .field .err{display:none;margin-top:6px;font-size:13px;color:#C0392B;}
  .field.has-error input,.field.has-error select{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,90,31,.14);}
  .field.has-error .err{display:block;}

  .stepper{display:flex;align-items:center;gap:10px;}
  .stepper button{
    width:48px;height:48px;border-radius:14px;border:1px solid var(--line);background:var(--card);
    color:var(--ink);cursor:pointer;font-size:18px;line-height:1;
    transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
  }
  .stepper button:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
  .stepper input{
    width:66px;height:48px;text-align:center;border:1px solid var(--line);border-radius:14px;
    font-family:var(--mono);font-size:17px;padding:0;background:var(--card);
  }
  .stepper-hint{font-size:13px;color:var(--muted);margin-left:4px;}

  .radio-row{display:flex;gap:8px;flex-wrap:wrap;}
  .radio-row label{
    flex:1 1 auto;min-width:96px;text-align:center;border:1px solid var(--line);border-radius:12px;
    padding:11px 8px;cursor:pointer;font-size:14px;color:var(--ink-2);transition:all .18s var(--ease);
  }
  .radio-row input{position:absolute;opacity:0;width:0;height:0;}
  .radio-row input:checked + span{color:var(--primary-dark);font-weight:600;}
  .radio-row label:has(input:checked){border-color:var(--primary);background:var(--primary-soft);}
  .check-row{display:flex;gap:10px;align-items:flex-start;margin:18px 0 20px;font-size:13.5px;color:var(--muted);line-height:1.7;}
  .check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto;}
  .check-row a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    border-radius:var(--r-pill);font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
  }
  .btn i{transition:transform .16s var(--ease);}
  .btn:hover i{transform:translateX(4px);}
  .btn-primary{background:var(--primary);color:#fff;padding:14px 26px;font-size:15px;width:100%;}
  .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,31,.28);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);padding:12px 24px;font-size:14.5px;}
  .btn-ghost:hover{background:var(--ink);color:#fff;}
  .btn-soft{background:var(--bg);color:var(--ink);border-color:var(--line);padding:12px 22px;font-size:14.5px;}
  .btn-soft:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);}
  .btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

  /* ============ 联系三卡 ============ */
  .contact-card{padding:26px 24px;height:100%;}
  .contact-icon{
    width:44px;height:44px;border-radius:13px;background:var(--primary-soft);color:var(--primary-dark);
    display:grid;place-items:center;font-size:18px;margin-bottom:16px;
  }
  .contact-card h4{font-size:17px;font-weight:700;margin-bottom:8px;}
  .contact-card p{font-size:14.5px;color:var(--muted);line-height:1.75;}
  .contact-card .mono{font-family:var(--mono);font-size:17px;color:var(--ink);letter-spacing:.01em;}

  /* ============ CTA ============ */
  .cta-band{background:var(--ink);color:#F5F2EE;}
  .cta-band .grid-x{align-items:center;}
  .cta-band h2{font-size:clamp(26px,3.2vw,36px);line-height:1.2;font-weight:700;color:#fff;letter-spacing:-.01em;}
  .cta-band p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(245,242,238,.78);max-width:560px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
  .cta-band .btn-ghost{color:#F5F2EE;border-color:rgba(245,242,238,.45);}
  .cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}

  /* ============ 底部说明条 ============ */
  .tip-card{
    display:flex;gap:16px;align-items:flex-start;padding:22px 24px;
    border:1px dashed var(--line);border-radius:var(--r-card);background:#FDFBF8;
  }
  .tip-card i{color:var(--jade);font-size:19px;margin-top:4px;}
  .tip-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
  .tip-card strong{color:var(--ink);}

  /* ============ 页脚 ============ */
  .site-foot{background:var(--ink);color:rgba(245,242,238,.78);padding:72px 0 28px;margin-top:0;}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
  .foot-brand{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;}
  .foot-brand .brand-mark{background:var(--primary);}
  .foot-brand .brand-name{display:block;color:#fff;font-size:15.5px;font-weight:700;}
  .foot-brand .brand-sub{display:block;font-size:12px;color:rgba(245,242,238,.55);margin-top:4px;letter-spacing:.03em;}
  .foot-about{font-size:14px;line-height:1.85;color:rgba(245,242,238,.66);max-width:360px;}
  .foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
  .foot-col li{margin-bottom:11px;font-size:14px;}
  .foot-col a{color:rgba(245,242,238,.78);display:inline-block;transition:transform .18s var(--ease),color .18s var(--ease);}
  .foot-col a:hover{color:var(--primary);transform:translateX(2px);}
  .foot-bottom{
    margin-top:56px;padding-top:22px;border-top:1px solid rgba(245,242,238,.14);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;
  }
  .to-top{color:var(--primary);font-weight:600;}
  .to-top:hover{color:#fff;}

  /* ============ 动效 ============ */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s 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:none !important;animation:none !important;}
  }

  /* ============ 响应式 ============ */
  @media screen and (max-width:1200px){
    .brand-sub{display:none;}
  }
  @media screen and (max-width:1023px){
    body{font-size:16.5px;}
    .nav-items{display:none;}
    .nav-cta{display:none;}
    .nav-burger{display:flex;}
    .nav-panel{justify-content:space-between;}
    .section{padding:66px 0;}
    .hero-inner{padding:62px 0 56px;}
    .form-card{position:static;margin-top:32px;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .cta-actions{justify-content:flex-start;margin-top:26px;}
  }
  @media screen and (max-width:767px){
    .grid-container.page-container{padding-left:16px;padding-right:16px;}
    .section{padding:56px 0;}
    .hero-inner{padding:52px 0 48px;}
    .hero-facts{gap:10px;}
    .hero-fact{min-width:130px;padding:10px 14px;}
    .foot-grid{grid-template-columns:1fr;gap:28px;}
    .foot-about{max-width:none;}
    .form-card{padding:22px 18px;}
    .cta-actions{flex-direction:column;}
    .cta-actions .btn{width:100%;}
  }
  @media screen and (max-width:520px){
    .page-hero h1{font-size:30px;}
    .topbar-right{gap:10px;font-size:12.5px;}
    .group-head h3{font-size:17px;}
    .radio-row label{min-width:100%;}
  }

/* roulang page: category2 */
:root{
  --orange:#FF5A1F;
  --orange-d:#E14A12;
  --orange-soft:rgba(255,90,31,.08);
  --orange-line:rgba(255,90,31,.30);
  --ink:#14161B;
  --ink2:#2A2E36;
  --teal:#0FA79B;
  --teal-soft:rgba(15,167,155,.12);
  --gold:#FFC24B;
  --paper:#FBF9F6;
  --white:#FFFFFF;
  --line:#E7E2DA;
  --gray:#5A5F6A;
  --gray-l:#8A8F99;
  --r-card:18px;
  --r-img:16px;
  --r-btn:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,27,.04),0 8px 24px rgba(20,22,27,.05);
  --sh-2:0 12px 36px rgba(20,22,27,.10);
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"Space Grotesk","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--teal)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:16px}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.page-container{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:112px 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--ink);color:#F5F2EE}
.section--dark h2,.section--dark h3{color:#F5F2EE}
.section--paper{background:var(--paper)}
.section--white{background:var(--white)}
.eyebrow{
  font-family:var(--num);font-size:13px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--orange);margin-bottom:12px;display:block;
}
.h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;letter-spacing:-.01em;font-weight:700}
.lead{font-size:clamp(15px,1.2vw,17px);color:var(--gray);max-width:780px}
.section--dark .lead{color:rgba(245,242,238,.72)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(245,242,238,.82);font-size:13px;line-height:40px}
.topbar .page-container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar strong{color:#F5F2EE;font-weight:600}
.topbar a{color:var(--orange);font-weight:600;white-space:nowrap}
.topbar a:hover{color:#fff}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:60;padding:12px 0 0;background:linear-gradient(180deg,var(--paper) 62%,rgba(251,249,246,0) 100%)}
.head-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:10px 16px;
  display:flex;align-items:center;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--gray-l);letter-spacing:.08em;font-family:var(--num)}
.nav-items{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:12px;border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--ink2);white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-item svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.nav-item:hover{background:var(--paper);border-color:var(--line);color:var(--ink);transform:translateY(-1px)}
.nav-item.is-active{background:var(--orange-soft);border-color:var(--orange-line);color:var(--orange-d);font-weight:600}
.head-cta{flex:0 0 auto}
.burger{
  display:none;width:48px;height:48px;border:1px solid var(--line);border-radius:12px;
  background:var(--white);margin-left:auto;align-items:center;justify-content:center;
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{
  display:none;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);margin-top:10px;padding:12px;
}
.drawer .nav-item{width:100%;min-height:48px;padding:12px 14px;justify-content:flex-start;font-size:15px}
.drawer .nav-items{flex-direction:column;align-items:stretch;margin:0}
.drawer-cta{margin-top:10px;display:block;text-align:center}
body.drawer-open{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
  border:1px solid transparent;min-height:48px;
}
.btn .arrow{transition:transform .16s ease;display:inline-block}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.22)}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px)}
.btn-primary:active{background:var(--orange-d);transform:translateY(0)}
.btn-ghost{border-color:currentColor;color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#F5F2EE;border-color:var(--ink);transform:translateY(-2px)}
.section--dark .btn-ghost{color:#F5F2EE}
.section--dark .btn-ghost:hover{background:#F5F2EE;color:var(--ink);border-color:#F5F2EE}
.btn-soft{background:var(--paper);border-color:var(--line);color:var(--ink2)}
.btn-soft:hover{background:var(--white);border-color:var(--orange-line);color:var(--orange-d);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-badge);padding:4px 10px;
  font-size:12px;letter-spacing:.02em;font-weight:600;line-height:1.5;
}
.badge-teal{background:var(--teal-soft);color:#0B7E75}
.badge-orange{background:var(--orange-soft);color:var(--orange-d)}
.badge-gold{background:rgba(255,194,75,.18);color:#8A5A00}
.badge-ink{background:rgba(20,22,27,.06);color:var(--ink2)}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--gray)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#F5F2EE;padding:96px 0 104px}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,27,.94) 8%,rgba(20,22,27,.72) 52%,rgba(20,22,27,.42) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero h1{
  font-size:clamp(32px,5.2vw,64px);line-height:1.08;letter-spacing:-.02em;
  font-weight:700;margin:20px 0 20px;color:#F5F2EE;
}
.hero-sub{font-size:clamp(15px,1.3vw,17px);color:rgba(245,242,238,.76);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero .btn-ghost{color:#F5F2EE}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:36px;font-size:14px;color:rgba(245,242,238,.72)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{width:6px;height:6px;border-radius:2px;background:var(--orange);display:inline-block}
.hero-card{
  background:var(--white);color:var(--ink);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-2);margin-top:8px;
}
.hero-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.hero-card .hc-note{font-size:13px;color:var(--gray-l);font-family:var(--num)}
.hc-list{margin-top:20px;display:grid;gap:14px}
.hc-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;font-size:14px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.hc-row:last-child{border-bottom:0;padding-bottom:0}
.hc-row dt{color:var(--gray);flex:0 0 auto}
.hc-row dd{margin:0;text-align:right;font-weight:600}
.hc-row dd.num{font-family:var(--num)}
.progress{margin-top:22px}
.progress-top{display:flex;justify-content:space-between;font-size:13px;color:var(--gray);margin-bottom:8px}
.progress-bar{height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.progress-bar i{display:block;height:100%;width:78%;background:var(--orange);border-radius:999px}

/* ---------- 数据条 ---------- */
.stats{background:var(--paper);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:48px 0}
.stat{padding-left:20px;border-left:2px solid var(--line)}
.stat:first-child{border-left-color:var(--orange)}
.stat b{display:block;font-family:var(--num);font-size:clamp(30px,3.6vw,46px);line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
.stat span{display:block;font-size:13px;color:var(--gray);margin-top:6px}

/* ---------- 日期切换 ---------- */
.daytabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:48px}
.daytab{
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--white);font-size:14px;font-weight:600;color:var(--ink2);
  display:inline-flex;align-items:center;gap:10px;min-height:48px;
  transition:all .18s ease;
}
.daytab span{font-family:var(--num);font-size:12px;color:var(--gray-l);letter-spacing:.06em}
.daytab:hover{border-color:var(--orange-line);color:var(--orange-d);transform:translateY(-2px)}
.daytab.is-active{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.22)}
.daytab.is-active span{color:rgba(255,255,255,.78)}

/* ---------- 时间线 ---------- */
.tl-panel{display:none}
.tl-panel.is-active{display:block;animation:fadeUp .42s cubic-bezier(.22,.61,.36,1) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.tl{position:relative}
.tl::before{content:"";position:absolute;left:151px;top:12px;bottom:12px;width:1px;background:var(--line)}
.tl-item{display:grid;grid-template-columns:130px 42px 1fr;gap:0;position:relative;padding:26px 0}
.tl-time{font-family:var(--num);font-size:17px;font-weight:600;color:var(--ink);letter-spacing:-.01em;padding-top:2px}
.tl-dot{position:relative;display:flex;justify-content:center;padding-top:4px}
.tl-dot i{width:13px;height:13px;border-radius:4px;background:var(--white);border:2px solid var(--line);display:block;position:relative;z-index:2;transition:all .2s ease}
.tl-item.is-now .tl-dot i{background:var(--orange);border-color:var(--orange);box-shadow:0 0 0 5px rgba(255,90,31,.14)}
.tl-body{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);transition:all .2s ease;
}
.tl-item.is-now .tl-body{border-color:var(--orange-line)}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tl-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.tl-body p{font-size:14.5px;color:var(--gray);max-width:680px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ---------- 嘉宾 ---------- */
.speaker-track{
  display:flex;gap:24px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.speaker-track::-webkit-scrollbar{height:6px}
.speaker-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.speaker-card{
  flex:0 0 auto;width:360px;scroll-snap-align:start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .2s ease;
}
.speaker-card:hover{transform:translateY(-4px);border-color:var(--orange-line);box-shadow:var(--sh-2)}
.speaker-photo{height:200px;position:relative;background:linear-gradient(160deg,#F1ECE4,#E2DCD2)}
.speaker-photo img{width:100%;height:100%;object-fit:cover}
.speaker-photo .badge{position:absolute;left:14px;top:14px}
.speaker-info{padding:22px 24px 26px}
.speaker-info h3{font-size:19px;font-weight:700}
.speaker-role{font-size:13px;color:var(--teal);margin-top:4px;font-weight:600}
.speaker-info p{font-size:14.5px;color:var(--gray);margin-top:12px}
.track-hint{font-size:13px;color:var(--gray-l);display:flex;align-items:center;gap:8px;margin-top:4px}

/* ---------- 现场须知 ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.notice-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.notice-card .idx{
  font-family:var(--num);font-size:13px;font-weight:700;color:var(--orange);
  border:1px solid var(--orange-line);border-radius:var(--r-badge);
  display:inline-block;padding:3px 9px;margin-bottom:16px;letter-spacing:.06em;
}
.notice-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.notice-card p{font-size:14.5px;color:var(--gray)}
.notice-card ul{margin-top:14px;display:grid;gap:10px}
.notice-card li{font-size:14px;color:var(--gray);padding-left:20px;position:relative}
.notice-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--teal-soft);border:1px solid var(--teal)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.is-open{border-color:var(--orange-line);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  min-height:56px;
}
.faq-q .sign{font-family:var(--num);font-size:20px;color:var(--orange);flex:0 0 auto;line-height:1;transition:transform .2s ease}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 24px;font-size:14.5px;color:var(--gray);max-width:760px}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:#F5F2EE;position:relative;overflow:hidden}
.cta .grid-x{align-items:center}
.cta h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;color:#F5F2EE}
.cta p{color:rgba(245,242,238,.72);margin-top:16px;max-width:520px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-points span{
  font-size:13px;padding:8px 14px;border-radius:var(--r-badge);
  background:rgba(245,242,238,.08);color:rgba(245,242,238,.86);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.cta-card{
  background:var(--ink2);border:1px solid rgba(245,242,238,.12);border-radius:var(--r-card);
  padding:30px;
}
.cta-card h3{font-size:18px;color:#F5F2EE;margin-bottom:18px}
.cta-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed rgba(245,242,238,.14);font-size:14px}
.cta-row:last-of-type{border-bottom:0}
.cta-row dt{color:rgba(245,242,238,.6)}
.cta-row dd{margin:0;font-weight:600;color:#F5F2EE}
.cta-row dd.num{font-family:var(--num)}
.cta-card .btn{width:100%;margin-top:22px}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:rgba(245,242,238,.74);padding:72px 0 28px;border-top:1px solid rgba(245,242,238,.08)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.foot-col h4{font-size:14px;color:#F5F2EE;letter-spacing:.04em;margin-bottom:18px;font-weight:700}
.foot-col ul{display:grid;gap:12px}
.foot-col li,.foot-col a{font-size:14px;color:rgba(245,242,238,.7)}
.foot-col a:hover{color:var(--orange);transform:translateX(-2px);display:inline-block}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.foot-brand .brand-name{color:#F5F2EE;font-size:15px}
.foot-brand .brand-sub{color:rgba(245,242,238,.5)}
.foot-about{font-size:14px;line-height:1.85;color:rgba(245,242,238,.66);max-width:380px}
.foot-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(245,242,238,.1);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;font-size:13px;color:rgba(245,242,238,.55);
}
.to-top{color:var(--orange);font-weight:600}
.to-top:hover{color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-items{display:none}
  .nav-item{padding:10px 12px}
  .head-cta{display:none}
  .burger{display:flex}
  .drawer.is-open{display:block}
  .section{padding:80px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .notice-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tl::before{left:auto;right:auto}
  .tl-item{grid-template-columns:96px 30px 1fr}
  .tl::before{left:110px}
}
@media (max-width:767px){
  .page-container{padding-left:16px;padding-right:16px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .topbar{font-size:12px;line-height:1.5;padding:8px 0}
  .topbar .page-container{flex-direction:column;align-items:flex-start;gap:4px}
  .hero{padding:64px 0 72px}
  .hero-card{padding:22px;margin-top:28px}
  .hero-actions .btn{flex:1 1 100%}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:36px 0}
  .stat{padding-left:14px}
  .tl::before{display:none}
  .tl-item{grid-template-columns:1fr;padding:18px 0}
  .tl-dot{display:none}
  .tl-time{margin-bottom:10px;color:var(--orange-d)}
  .tl-body{padding:20px}
  .speaker-card{width:280px}
  .speaker-photo{height:170px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .brand-sub{display:none}
  .brand-name{font-size:14px}
}
@media (max-width:519px){
  .hero h1{font-size:30px}
  .nav-item svg{width:16px;height:16px}
  .btn{padding:12px 20px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}