/* roulang page: index */
:root{
  --canvas:#F6F6F2;
  --ink:#111417;
  --ink-soft:#171B1E;
  --flame:#FF4D1C;
  --flame-dark:#E8410F;
  --mint:#00D6A4;
  --line:#DCDCD4;
  --muted:#6E7378;
  --card:#FFFFFF;
  --r-card:14px;
  --r-input:12px;
  --r-badge:6px;
  --shadow-hover:0 8px 24px rgba(17,20,23,.08);
  --sec-y:56px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (min-width: 1024px){
  :root{ --sec-y:112px; }
}
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family: system-ui, "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ cursor:pointer; background:none; border:0; }
h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
ul,ol{ padding:0; list-style:none; }
::selection{ background:rgba(255,77,28,.18); }
:focus-visible{ outline:2px solid var(--mint); outline-offset:2px; border-radius:4px; }

/* 滚动条 */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-track{ background:var(--canvas); }
::-webkit-scrollbar-thumb{ background:#C9C9C0; border-radius:999px; border:2px solid var(--canvas); }
::-webkit-scrollbar-thumb:hover{ background:var(--muted); }

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width: 1024px){
  .wrap{ padding-left:32px; padding-right:32px; }
}
.mono{ font-family:var(--mono); font-variant-numeric:tabular-nums; letter-spacing:.01em; }
.sec{ padding-top:var(--sec-y); padding-bottom:var(--sec-y); }
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.h2{
  font-size:clamp(28px,3.2vw,44px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-0.01em;
}
.lead{ color:var(--muted); font-size:16px; line-height:1.75; }

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,246,242,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:padding .2s ease;
}
.nav-top{
  display:flex;
  align-items:center;
  gap:16px;
  padding-top:14px;
  padding-bottom:14px;
  transition:padding .2s ease;
}
.site-header.is-scrolled .nav-top{ padding-top:8px; padding-bottom:8px; }
.logo{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-mark{
  width:34px; height:34px;
  border-radius:9px;
  background:var(--ink);
  display:grid; place-items:center;
  flex-shrink:0;
}
.logo-text{ font-size:17px; font-weight:700; letter-spacing:-0.01em; white-space:nowrap; }
.nav-search{
  flex:1;
  max-width:560px;
  position:relative;
}
.nav-search input{
  width:100%;
  height:48px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  padding:0 20px 0 50px;
  font-size:15px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.nav-search input::placeholder{ color:#9A9E9F; }
.nav-search input:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(0,214,164,.20);
}
.nav-search svg{
  position:absolute;
  left:18px; top:50%;
  transform:translateY(-50%);
  color:var(--muted);
  pointer-events:none;
}
.nav-actions{ display:flex; align-items:center; gap:18px; margin-left:auto; flex-shrink:0; }
.link-underline{
  font-size:14px;
  position:relative;
  padding-bottom:2px;
}
.link-underline::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  height:1px; width:0;
  background:currentColor;
  transition:width .2s ease;
}
.link-underline:hover::after{ width:100%; }
.nav-cats{
  display:flex;
  align-items:center;
  gap:28px;
  border-top:1px solid var(--line);
  padding:8px 0;
  overflow-x:auto;
}
.nav-cat{
  position:relative;
  font-size:14px;
  color:var(--muted);
  padding:6px 0;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-cat:hover{ color:var(--ink); }
.nav-cat.is-active{ color:var(--ink); font-weight:600; }
.nav-cat.is-active::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height:2px;
  background:var(--ink);
  border-radius:2px;
}
.burger{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  place-items:center;
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--canvas);
  padding:8px 20px 24px;
}
.drawer.is-open{ display:block; }
.drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.drawer .drawer-cta{
  margin-top:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  height:50px;
  border-radius:999px;
  background:var(--flame);
  color:#fff;
  font-weight:600;
  border-bottom:0;
}
@media (max-width: 1023px){
  .nav-search{ order:3; flex-basis:100%; max-width:none; }
  .nav-search input{ height:44px; }
  .nav-cats{ display:none; }
  .burger{ display:grid; }
  .nav-actions .link-underline,
  .nav-actions .btn-flame{ display:none; }
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  transition:background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  white-space:nowrap;
}
.btn svg{ transition:transform .2s cubic-bezier(.22,1,.36,1); }
.btn:hover svg{ transform:translateX(4px); }
.btn-flame{ background:var(--flame); color:#fff; }
.btn-flame:hover{ background:var(--flame-dark); }
.btn-ghost{ background:transparent; color:var(--ink); border:1px solid var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:#fff; }
.btn-dark{ background:var(--ink); color:#fff; }
.btn-dark:hover{ background:#262B2F; }
.btn-sm{ height:40px; padding:0 18px; font-size:14px; }
.btn[disabled], .btn.is-disabled{ opacity:.4; cursor:not-allowed; }

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1;
  padding:6px 9px;
  border-radius:var(--r-badge);
  font-weight:600;
  white-space:nowrap;
}
.badge-flame{ background:rgba(255,77,28,.10); color:var(--flame); }
.badge-mint{ background:rgba(0,214,164,.12); color:var(--ink); }
.badge-muted{ background:#EAEAE4; color:var(--muted); }

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .22s cubic-bezier(.22,1,.36,1), box-shadow .22s ease, border-color .22s ease;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:var(--ink);
}
.card-pad{ padding:22px; }
@media (min-width: 1024px){ .card-pad{ padding:26px; } }
.thumb{
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--ink);
  position:relative;
}
.thumb img{ width:100%; height:100%; object-fit:cover; }
.img-cover{ object-fit:cover; }

/* ---------- 动效 ---------- */
.reveal{ opacity:0; transform:translateY(10px); }
.reveal.is-in{
  opacity:1;
  transform:translateY(0);
  transition:opacity .28s cubic-bezier(.22,1,.36,1), transform .28s cubic-bezier(.22,1,.36,1);
  transition-delay:var(--d, 0ms);
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1 !important; transform:none !important; }
  .reveal.is-in{ transition:none !important; }
  html{ scroll-behavior:auto; }
}

/* ---------- 首屏 ---------- */
.hero-band{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:12px 0;
  border-top:1px solid var(--line);
  margin-top:40px;
  padding-top:18px;
}
.hero-band .item{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.hero-band .dot{ width:7px; height:7px; border-radius:999px; background:var(--mint); flex-shrink:0; }
.hero-band b{ color:var(--ink); font-weight:600; }
@media (min-width: 768px){
  .hero-band{ grid-template-columns:repeat(4, minmax(0,1fr)); }
}
.hero-visual{ position:relative; border-radius:var(--r-card); overflow:hidden; background:var(--ink); }
.hero-visual img{ width:100%; height:100%; object-fit:cover; aspect-ratio:16/10; }
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(17,20,23,.10);
}

/* ---------- 功能矩阵 ---------- */
.matrix{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width: 768px){ .matrix{ grid-template-columns:repeat(2, minmax(0,1fr)); } }
@media (min-width: 1024px){ .matrix{ grid-template-columns:repeat(4, minmax(0,1fr)); } }
.icon-box{
  width:42px; height:42px;
  border-radius:11px;
  background:var(--canvas);
  display:grid; place-items:center;
  color:var(--ink);
  border:1px solid var(--line);
}

/* ---------- 时间线 ---------- */
.timeline{ border-top:1px solid var(--line); }
.tl-item{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
@media (min-width: 768px){
  .tl-item{ grid-template-columns:120px 1fr; gap:24px; align-items:start; }
}
.tl-time{ font-family:var(--mono); font-size:14px; font-weight:600; color:var(--ink); }
.tl-body{ position:relative; padding-left:20px; }
.tl-body::before{
  content:"";
  position:absolute;
  left:0; top:9px;
  width:8px; height:8px;
  border-radius:999px;
  background:var(--mint);
}
.tl-body::after{
  content:"";
  position:absolute;
  left:3.5px; top:20px; bottom:-22px;
  width:2px;
  background:var(--line);
}
.tl-item:last-child .tl-body::after{ display:none; }
.tl-item.is-now .tl-body::before{
  background:var(--ink);
  box-shadow:0 0 0 4px rgba(255,77,28,.28);
}

/* ---------- 人物卡交错 ---------- */
.speaker-grid{ display:grid; grid-template-columns:1fr; gap:20px; }
@media (min-width: 768px){
  .speaker-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); gap:24px; }
}
@media (min-width: 1024px){
  .speaker-grid{ grid-template-columns:repeat(3, minmax(0,1fr)); }
  .speaker-grid > *:nth-child(2n){ margin-top:24px; }
}
.speaker{ position:relative; border-radius:var(--r-card); overflow:hidden; background:var(--ink); }
.speaker img{ width:100%; aspect-ratio:4/5; object-fit:cover; }
.speaker .info{
  position:absolute;
  left:0; right:0; bottom:0;
  background:linear-gradient(to top, rgba(17,20,23,.92), rgba(17,20,23,.65));
  color:#fff;
  padding:14px 16px;
  transform:translateY(100%);
  transition:transform .26s cubic-bezier(.22,1,.36,1);
}
.speaker:hover .info, .speaker:focus-within .info{ transform:translateY(0); }
@media (hover: none){ .speaker .info{ transform:translateY(0); } }
@media (max-width: 767px){
  .speaker-scroll{ display:flex; gap:16px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:8px; }
  .speaker-scroll > *{ flex:0 0 78vw; scroll-snap-align:start; margin-top:0 !important; }
}

/* ---------- 票种矩阵 ---------- */
.ticket-table{ width:100%; border-collapse:separate; border-spacing:0; font-size:15px; }
.ticket-table th, .ticket-table td{
  border-bottom:1px solid var(--line);
  padding:14px 16px;
  text-align:left;
}
.ticket-table thead th{
  background:var(--canvas);
  font-size:14px;
  font-weight:600;
  border-top:1px solid var(--line);
}
.ticket-table tbody tr:hover td{ background:var(--canvas); }
.ticket-table .col-best{
  background:var(--ink);
  color:#fff;
  border-color:#262B2F;
  position:relative;
}
.ticket-table .col-best::before{
  content:"";
  position:absolute;
  left:0; right:0; top:0;
  height:4px;
  background:var(--flame);
}
.ticket-table tbody tr:hover .col-best{ background:#1B2024; }

/* ---------- CMS 列表 ---------- */
.cms-title{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
a:hover .cms-title{ color:var(--flame); }
.cms-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.arrow-slide{ transition:transform .2s cubic-bezier(.22,1,.36,1); }
a:hover .arrow-slide{ transform:translateX(4px); }

/* ---------- 表单 ---------- */
.field label{ display:block; font-size:13px; color:var(--muted); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-input);
  padding:12px 14px;
  font-size:15px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field textarea{ min-height:96px; resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(0,214,164,.20);
}
.field.is-error input, .field.is-error select{ border-color:var(--flame); }
.field .err{ display:none; font-size:12px; color:var(--flame); margin-top:6px; }
.field.is-error .err{ display:block; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-item:first-child{ border-top:1px solid var(--line); }
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  font-weight:600;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-plus{
  width:26px; height:26px;
  display:grid; place-items:center;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--ink);
  flex-shrink:0;
  transition:transform .24s cubic-bezier(.22,1,.36,1), background .18s ease;
  font-size:16px;
  line-height:1;
}
.faq-item[open] .faq-plus{ transform:rotate(45deg); background:var(--canvas); }
.faq-body{ padding:0 0 24px; color:var(--muted); font-size:15px; max-width:820px; }

/* ---------- 页脚 ---------- */
.site-footer{ background:var(--ink); color:#E8E8E4; }
.site-footer a{ color:#B6BAB9; transition:color .18s ease; }
.site-footer a:hover{ color:#fff; }
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding:64px 0 40px;
}
@media (min-width: 768px){
  .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
}
.footer-divider{ height:1px; background:rgba(255,255,255,.12); }
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 40px;
  font-size:13px;
  color:#8E9392;
}
.social-proof{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:20px;
}
@media (min-width: 768px){ .social-proof{ grid-template-columns:repeat(4, minmax(0,1fr)); } }
.stat-num{ font-family:var(--mono); font-size:clamp(26px,3vw,38px); font-weight:600; line-height:1.1; }
.grid-lines{
  background-image:linear-gradient(rgba(0,214,164,.12) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(0,214,164,.12) 1px, transparent 1px);
  background-size:24px 24px;
}

/* roulang page: article */
:root{
  --canvas:#F6F6F2;
  --ink:#111417;
  --ink-2:#171B1E;
  --flame:#FF4D1C;
  --flame-dark:#E8440F;
  --mint:#00D6A4;
  --line:#DCDCD4;
  --muted:#6E7378;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-input:12px;
  --radius-badge:6px;
  --shadow-hover:0 8px 24px rgba(17,20,23,.08);
  --font-sans:system-ui,"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font-sans);font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}

/* ============ 顶部导航（搜索主导） ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,246,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:background .24s var(--ease);}
.header-top{display:flex;align-items:center;gap:24px;padding:16px 0;transition:padding .24s var(--ease);}
.site-header.is-compact .header-top{padding:7px 0;}
.site-header.is-compact .header-cats{padding-bottom:8px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--mint);display:grid;place-items:center;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand-sub{font-size:10.5px;letter-spacing:.16em;color:var(--muted);}
.nav-search{position:relative;flex:1 1 auto;max-width:560px;height:48px;background:#fff;border:1px solid var(--line);border-radius:999px;display:flex;align-items:center;padding:0 8px 0 18px;transition:border-color .2s,box-shadow .2s;}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(0,214,164,.2);}
.nav-search-icon{color:var(--muted);flex:none;margin-right:10px;}
.nav-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14.5px;}
.nav-search input::placeholder{color:#9AA0A6;}
.nav-search-btn{border:0;background:var(--canvas);color:var(--ink);font-size:13px;font-weight:600;padding:8px 16px;border-radius:999px;cursor:pointer;transition:background .2s,color .2s;flex:none;}
.nav-search-btn:hover{background:var(--ink);color:#fff;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px;flex:none;}
.link-login{font-size:14px;position:relative;color:var(--ink);}
.link-login::after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:0;background:currentColor;transition:width .2s var(--ease);}
.link-login:hover::after{width:100%;}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;}
.hamburger span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;}
.header-cats{display:flex;align-items:center;padding-bottom:12px;}
.nav-cats{display:flex;gap:28px;flex-wrap:wrap;}
.nav-cat{position:relative;font-size:14px;color:var(--muted);padding-bottom:8px;transition:color .2s;}
.nav-cat:hover{color:var(--ink);}
.nav-cat.is-active{color:var(--ink);font-weight:600;}
.nav-cat.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ink);border-radius:2px;}
@media (max-width:1023px){
  .header-cats{display:none;}
  .link-login{display:none;}
  .header-actions .btn-flame{display:none;}
  .hamburger{display:inline-flex;}
  .header-top{flex-wrap:wrap;gap:12px;}
  .brand{order:1;}
  .header-actions{order:2;margin-left:auto;}
  .nav-search{order:3;flex:1 0 100%;max-width:none;height:44px;}
}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:600;padding:13px 26px;border:1px solid transparent;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s,transform .2s;}
.btn .arw{transition:transform .2s var(--ease);}
.btn:hover .arw{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:13.5px;}
.btn-flame{background:var(--flame);color:#fff;}
.btn-flame:hover{background:var(--flame-dark);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-block{width:100%;}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-badge);letter-spacing:.02em;}
.badge-flame{background:rgba(255,77,28,.1);color:var(--flame);}
.badge-mint{background:rgba(0,214,164,.14);color:var(--ink);}
.badge-muted{background:#E9E9E3;color:var(--muted);}
.text-link{font-size:14px;color:var(--ink);position:relative;display:inline-flex;align-items:center;gap:6px;}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:currentColor;transition:width .2s var(--ease);}
.text-link:hover{color:var(--flame);}
.text-link:hover::after{width:100%;}
.text-link .arw{transition:transform .2s var(--ease);}
.text-link:hover .arw{transform:translateX(4px);}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(17,20,23,.44);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:70;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:min(86vw,360px);height:100%;background:#fff;z-index:80;transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;gap:18px;padding:20px;overflow-y:auto;box-shadow:-12px 0 40px rgba(17,20,23,.12);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .brand-name{font-size:15px;}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:18px;line-height:1;cursor:pointer;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-link{height:48px;display:flex;align-items:center;border-bottom:1px solid var(--line);font-size:15px;}
.drawer-link.is-active{font-weight:700;color:var(--flame);}

/* ============ 面包屑 / 标题区 ============ */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:var(--muted);padding:28px 0 20px;letter-spacing:.06em;}
.crumb a:hover{color:var(--ink);}
.crumb .current{color:var(--ink);}
.crumb .sep{opacity:.5;}
.article-head{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 0 28px;}
.article-title{font-size:clamp(30px,4vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.02em;margin:14px 0 18px;max-width:900px;}
.meta-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.meta-item{font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
.dot{width:4px;height:4px;border-radius:50%;background:var(--mint);display:inline-block;flex:none;}
.meta-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:var(--muted);}

/* ============ 阅读区 ============ */
.reading-section{padding:44px 0 0;}
.reading-wrap{max-width:1020px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:48px;}
@media (min-width:1280px){
  .reading-wrap{grid-template-columns:minmax(0,740px) 220px;gap:64px;justify-content:center;}
}
.article-body{width:100%;max-width:740px;margin:0 auto;font-size:17.5px;line-height:1.9;color:#1B1F23;overflow-wrap:break-word;}
.article-body > * + *{margin-top:1.05em;}
.article-body h2{position:relative;margin-top:40px;padding-left:16px;font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--ink);}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1.05em;background:var(--flame);border-radius:2px;}
.article-body h3{margin-top:32px;font-size:19px;font-weight:700;line-height:1.45;color:var(--ink);}
.article-body p{margin:0;}
.article-body ul,.article-body ol{margin:0;padding-left:0;list-style:none;}
.article-body ol{counter-reset:olc;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-top:.5em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;background:var(--mint);border-radius:2px;}
.article-body ol li{position:relative;counter-increment:olc;padding-left:30px;margin-top:.5em;}
.article-body ol li::before{content:counter(olc);position:absolute;left:0;top:.35em;width:20px;height:20px;line-height:20px;text-align:center;font-size:12px;font-weight:600;font-family:var(--font-mono);background:var(--canvas);border:1px solid var(--line);border-radius:6px;color:var(--ink);}
.article-body blockquote{margin:24px 0;border-left:3px solid var(--flame);background:var(--canvas);padding:24px;border-radius:0 12px 12px 0;color:var(--muted);font-size:16.5px;}
.article-body blockquote p{margin:0;}
.article-body img{width:100%;border-radius:var(--radius-card);margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.6;}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--flame);}
.article-body strong{font-weight:700;}
.article-body code{font-family:var(--font-mono);background:var(--canvas);padding:2px 8px;border-radius:8px;font-size:.92em;}
.article-body pre{margin:24px 0;background:var(--ink);color:#E8EAEC;padding:20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;}
.article-body th{background:var(--canvas);font-weight:600;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.toc{display:none;}
@media (min-width:1280px){
  .toc{display:block;position:sticky;top:112px;align-self:start;width:220px;font-size:13px;}
}
.toc-title{font-size:12px;letter-spacing:.12em;color:var(--muted);margin:0 0 12px;}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line);}
.toc-list a{display:block;padding:7px 0 7px 14px;color:var(--muted);border-left:2px solid transparent;margin-left:-1.5px;line-height:1.45;transition:color .2s,border-color .2s;}
.toc-list a:hover{color:var(--ink);}
.toc-list a.is-current{color:var(--ink);font-weight:600;border-left-color:var(--ink);}

/* ============ 空态 ============ */
.empty-state{text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;}
.empty-state svg{color:var(--muted);margin:0 auto 16px;}
.empty-state .empty-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.empty-state .empty-sub{color:var(--muted);font-size:14px;margin-bottom:22px;}

/* ============ 文末 / 上下篇 ============ */
.article-foot{margin-top:56px;padding-top:28px;border-top:1px solid var(--line);display:grid;gap:20px;}
.foot-bar{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
.foot-hint{font-size:13px;color:var(--muted);}
.post-nav{display:grid;gap:12px;grid-template-columns:1fr;}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav-item{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;padding:16px 20px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);}
.post-nav-item:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.pn-label{display:block;font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:6px;}
.pn-title{display:block;font-size:15.5px;font-weight:600;line-height:1.5;}
.post-nav-item.pn-right{text-align:right;}

/* ============ 相关推荐 ============ */
.related{padding:76px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.2;}
.rel-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);}
.rel-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rel-card img{width:100%;aspect-ratio:16/10;border-radius:10px;}
.rel-card h3{font-size:18px;font-weight:600;line-height:1.45;transition:color .2s;}
.rel-card:hover h3{color:var(--flame);}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-time{font-size:12px;color:var(--muted);letter-spacing:.06em;margin-top:auto;}

/* ============ CTA ============ */
.cta-band{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff;margin-top:88px;padding:64px 0;}
.cta-inner{display:grid;gap:30px;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.35fr .9fr;align-items:center;gap:48px;}}
.cta-band h2{font-size:clamp(26px,3vw,40px);line-height:1.2;font-weight:700;letter-spacing:-.02em;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;max-width:560px;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;}
.cta-point{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);}
.cta-point i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-top{display:grid;gap:40px;}
@media (min-width:1024px){.footer-top{grid-template-columns:1.1fr 1.7fr;gap:56px;}}
.site-footer .brand-name{color:#fff;font-size:17px;}
.site-footer .brand-sub{color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.75;margin-top:16px;max-width:360px;}
.footer-contact{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);border-top:1px solid rgba(255,255,255,.12);padding-top:14px;max-width:360px;}
.footer-cols{display:grid;gap:28px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-cols{grid-template-columns:repeat(3,1fr);}}
.footer-cols h3{font-size:12.5px;letter-spacing:.12em;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-cols a{display:block;font-size:13.5px;padding:6px 0;color:rgba(255,255,255,.7);transition:color .2s;}
.footer-cols a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.55);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .28s var(--ease),transform .28s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root {
  --canvas: #F6F6F2;
  --ink: #111417;
  --ink-2: #171B1E;
  --flame: #FF4D1C;
  --flame-deep: #E8440F;
  --mint: #00D6A4;
  --line: #DCDCD4;
  --muted: #6E7378;
  --card: #FFFFFF;
  --radius-card: 14px;
  --radius-pill: 999px;
  --radius-input: 12px;
  --radius-badge: 6px;
  --shadow-hover: 0 8px 24px rgba(17, 20, 23, .08);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font-sans: system-ui, "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 1024px) {
  .shell { padding: 0 32px; }
}

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
  border-radius: 4px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb { background: #C9C9C0; border-radius: 999px; border: 2px solid var(--canvas); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(246, 246, 242, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: padding .2s var(--ease);
}

.nav-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 0 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--ink);
  position: relative;
  display: inline-block;
  overflow: hidden;
}
.brand-mark::before {
  content: '';
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: var(--mint);
}
.brand-mark::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--flame);
  transform: translateY(-50%);
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-light .brand-mark { background: #fff; }
.brand-light .brand-text { color: #fff; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex: 0 0 auto;
}

.nav-login {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 4px;
  position: relative;
  transition: color .18s var(--ease);
}
.nav-login::after {
  content: '';
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 4px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s var(--ease);
}
.nav-login:hover { color: var(--ink); }
.nav-login:hover::after { transform: scaleX(1); }

.search-wrap {
  position: relative;
  order: 3;
  flex: 1 1 100%;
  max-width: none;
}
@media (min-width: 1024px) {
  .search-wrap {
    order: 0;
    flex: 1 1 auto;
    max-width: 560px;
    margin: 0 auto;
  }
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 44px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 20px 0 46px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
@media (min-width: 1024px) {
  .search-input { height: 48px; }
}
.search-input::placeholder { color: #9A9E9C; }
.search-input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(0, 214, 164, .2);
}

.nav-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  padding: 0 11px;
}
.nav-burger span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}
@media (min-width: 1024px) {
  .nav-burger { display: none; }
}

.nav-cats {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid transparent;
}
.nav-cats::-webkit-scrollbar { display: none; }

.nav-cat {
  position: relative;
  font-size: 14px;
  color: var(--muted);
  padding: 10px 0 14px;
  white-space: nowrap;
  transition: color .18s var(--ease);
}
.nav-cat::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s var(--ease);
}
.nav-cat:hover { color: var(--ink); }
.nav-cat.is-active { color: var(--ink); font-weight: 600; }
.nav-cat.is-active::after { transform: scaleX(1); }

@media (max-width: 1023px) {
  .nav-cat { padding: 12px 0 14px; }
}

/* 移动抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
}
.drawer.is-open { display: block; }
.drawer-mask {
  position: absolute;
  inset: 0;
  background: rgba(17, 20, 23, .45);
}
.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(88vw, 340px);
  height: 100%;
  background: var(--canvas);
  border-left: 1px solid var(--line);
  padding: 18px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
}
.drawer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.drawer-close {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--ink);
}
.drawer-nav { display: flex; flex-direction: column; }
.drawer-nav a {
  display: flex;
  align-items: center;
  height: 48px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  color: var(--ink);
}
.drawer-nav a:last-child { border-bottom: 1px solid var(--line); }
.drawer-nav a.is-active { font-weight: 600; color: var(--flame); }

/* ---------- 按钮 / 徽章 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
  white-space: nowrap;
}
.btn .arw { transition: transform .2s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }

.btn-flame { background: var(--flame); color: #fff; }
.btn-flame:hover { background: var(--flame-deep); box-shadow: var(--shadow-hover); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }

.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; }

.btn-block { width: 100%; }

.btn:disabled,
.btn[disabled] {
  opacity: .4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.link-more {
  position: relative;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-more::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s var(--ease);
}
.link-more:hover::after { transform: scaleX(1); }

.badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
}
.badge-flame { background: rgba(255, 77, 28, .1); color: var(--flame); }
.badge-mint { background: rgba(0, 214, 164, .12); color: var(--ink); }
.badge-muted { background: rgba(110, 115, 120, .12); color: var(--muted); }

/* ---------- 板块与标题 ---------- */
.section { padding: 56px 0; }
@media (min-width: 1024px) {
  .section { padding: 96px 0; }
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}
@media (min-width: 768px) {
  .section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 48px;
  }
}

.section-title {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

.section-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 640px;
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .28s var(--ease), transform .28s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 40px 0 0;
}
@media (min-width: 1024px) {
  .hero { padding: 56px 0 0; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(40px, 6.2vw, 84px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 560px;
  margin: 0 0 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  background: var(--ink);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(17, 20, 23, .1);
}
.hero-media-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  background: rgba(246, 246, 242, .94);
  border-radius: var(--radius-badge);
  padding: 7px 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink);
}

.hero-band {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  font-size: 14px;
  color: var(--muted);
}
.band-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.band-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  display: inline-block;
}
.band-item b { color: var(--ink); font-weight: 600; }

/* ---------- 筛选条 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
  margin-right: 4px;
}
.filter-pill {
  height: 34px;
  padding: 0 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: all .18s var(--ease);
}
.filter-pill:hover { border-color: var(--ink); color: var(--ink); }
.filter-pill.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

/* ---------- 列表布局 ---------- */
.list-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 1024px) {
  .list-layout {
    grid-template-columns: 200px 1fr;
    gap: 48px;
  }
}

.side-tags {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.side-tags::-webkit-scrollbar { display: none; }
@media (min-width: 1024px) {
  .side-tags {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    position: sticky;
    top: 128px;
    align-self: start;
    padding-bottom: 0;
  }
}

.side-tag {
  text-align: left;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all .18s var(--ease);
}
.side-tag:hover { color: var(--ink); border-color: var(--ink); }
@media (min-width: 1024px) {
  .side-tag {
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    height: 48px;
    padding: 0 0 0 14px;
    position: relative;
    font-size: 14px;
    background: transparent;
  }
  .side-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: var(--ink);
    transition: height .18s var(--ease);
  }
  .side-tag.is-on::before { height: 24px; }
}
.side-tag.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
@media (min-width: 1024px) {
  .side-tag.is-on {
    background: transparent;
    color: var(--ink);
    font-weight: 600;
  }
}

.list-main { min-width: 0; }

.list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}
.list-head h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
}
.list-count {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
}

.list-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px 8px;
  border-top: 1px solid var(--line);
  transition: background-color .18s var(--ease), transform .18s var(--ease);
}
.list-row:last-of-type { border-bottom: 1px solid var(--line); }
.list-row:hover {
  background: var(--canvas);
  transform: translateY(-1px);
}
@media (min-width: 768px) {
  .list-row {
    grid-template-columns: 76px 1fr auto;
    gap: 24px;
    padding: 22px 12px;
  }
}

.date-block {
  width: 64px;
  border-radius: var(--radius-card);
  background: var(--canvas);
  border: 1px solid var(--line);
  text-align: center;
  padding: 8px 0 9px;
  transition: background-color .18s var(--ease);
}
@media (min-width: 768px) {
  .date-block { width: 76px; }
}
.list-row:hover .date-block { background: #fff; }
.date-m {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .06em;
}
.date-d {
  display: block;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
}

.row-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 6px;
  transition: color .18s var(--ease);
}
.list-row:hover .row-body h3 { color: var(--flame); }
.row-body p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

.row-side {
  display: flex;
  align-items: center;
  gap: 14px;
  grid-column: 2;
  justify-content: space-between;
}
@media (min-width: 768px) {
  .row-side {
    grid-column: 3;
    justify-content: flex-end;
  }
}
.row-arrow {
  font-size: 16px;
  color: var(--muted);
  transition: transform .18s var(--ease), color .18s var(--ease);
}
.list-row:hover .row-arrow {
  transform: translateX(4px);
  color: var(--ink);
}

.list-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 28px;
}

.subscribe {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.subscribe-input {
  height: 44px;
  width: 220px;
  max-width: 100%;
  border-radius: var(--radius-input);
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 14px;
  font-size: 14px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.subscribe-input:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(0, 214, 164, .2);
}
.subscribe-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* ---------- 通栏提示条 ---------- */
.ink-strip {
  margin-top: 56px;
  background-color: var(--ink);
  background-image: linear-gradient(rgba(17, 20, 23, .94), rgba(23, 27, 30, .96)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  color: #fff;
}
.ink-strip .strip-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 44px 20px;
}
@media (min-width: 1024px) {
  .ink-strip .strip-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 56px 32px;
    gap: 48px;
  }
}
.strip-title {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.strip-sub {
  font-size: 15px;
  color: rgba(255, 255, 255, .72);
  margin: 0;
  max-width: 620px;
}

/* ---------- 数据统计 ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
@media (min-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 24px 22px;
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  box-shadow: var(--shadow-hover);
}
.stat-num {
  display: block;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.stat-unit {
  font-size: 14px;
  color: var(--muted);
  margin-left: 4px;
  font-weight: 500;
}
.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 流程时间线 ---------- */
.flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 1024px) {
  .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
  }
}
.flow-item {
  position: relative;
  padding: 24px 0 24px 28px;
  border-top: 1px solid var(--line);
  transition-delay: calc(var(--i, 0) * 60ms);
}
@media (min-width: 1024px) {
  .flow-item {
    padding: 28px 4px 0 0;
    border-top: none;
    border-left: 1px solid transparent;
  }
}
.flow-node {
  position: absolute;
  left: 0;
  top: 30px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
}
@media (min-width: 1024px) {
  .flow-node {
    left: 0;
    top: 0;
    width: 10px;
    height: 10px;
  }
  .flow-item::before {
    content: '';
    position: absolute;
    left: 4px;
    right: -28px;
    top: 4px;
    height: 2px;
    background: var(--line);
  }
  .flow-item:last-child::before { right: 0; }
}
.flow-step {
  display: block;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
  margin-bottom: 10px;
}
@media (min-width: 1024px) {
  .flow-step { margin-top: 18px; }
}
.flow-item h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 8px;
}
.flow-item p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  line-height: 1.75;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 900px;
}
.faq-item {
  border-top: 1px solid var(--line);
}
.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 16px;
  font-weight: 600;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  transition: transform .24s var(--ease);
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 40px 24px 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
  max-width: 760px;
}

/* ---------- CTA 报名表单 ---------- */
.cta-section {
  background-color: var(--ink);
  background-image: linear-gradient(rgba(17, 20, 23, .95), rgba(23, 27, 30, .97)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: #fff;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 56px 20px;
}
@media (min-width: 1024px) {
  .cta-grid {
    grid-template-columns: 1fr .9fr;
    gap: 72px;
    padding: 96px 32px;
    align-items: start;
  }
}
.cta-copy h2 {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
.cta-copy p {
  font-size: 16px;
  color: rgba(255, 255, 255, .72);
  margin: 0 0 26px;
  max-width: 520px;
}
.cta-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.cta-points li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: rgba(255, 255, 255, .82);
}
.cta-points li::before {
  content: '';
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--mint);
}

.cta-form {
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius-card);
  padding: 26px 22px 24px;
  display: grid;
  gap: 16px;
}
@media (min-width: 768px) {
  .cta-form { padding: 30px 28px 28px; }
}
.form-row { display: grid; gap: 7px; }
.form-row label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .06em;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border-radius: var(--radius-input);
  border: 1px solid var(--line);
  background: #fff;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.form-row textarea { resize: vertical; min-height: 84px; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(0, 214, 164, .2);
}
.form-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.form-check input { margin-top: 4px; accent-color: var(--flame); }
.form-note {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}
.form-msg {
  margin: 0;
  font-size: 13px;
  color: var(--flame);
}
.form-msg.is-ok { color: #0B7F63; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .78);
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 56px 20px 40px;
}
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1.25fr;
    gap: 72px;
    padding: 64px 32px 48px;
  }
}
.footer-desc {
  font-size: 14px;
  line-height: 1.85;
  margin: 16px 0 12px;
  max-width: 420px;
  color: rgba(255, 255, 255, .68);
}
.footer-meta {
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
  margin: 0;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
@media (min-width: 768px) {
  .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.footer-cols h3 {
  font-size: 13px;
  letter-spacing: .06em;
  color: #fff;
  margin: 0 0 14px;
  font-weight: 600;
}
.footer-cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.footer-cols a {
  font-size: 14px;
  color: rgba(255, 255, 255, .68);
  transition: color .18s var(--ease);
}
.footer-cols a:hover { color: var(--mint); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  padding: 22px 20px 34px;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}
@media (min-width: 1024px) {
  .footer-bottom { padding: 22px 32px 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .btn .arw, .list-row, .stat-card, .faq-icon { transition: none; }
  .flow-item { transition-delay: 0ms; }
}

/* roulang page: category2 */
:root{
    --canvas:#F6F6F2;
    --card:#FFFFFF;
    --ink:#111417;
    --ink-2:#171B1E;
    --flame:#FF4D1C;
    --flame-dark:#E8420F;
    --mint:#00D6A4;
    --line:#DCDCD4;
    --muted:#6E7378;
    --radius:14px;
    --radius-sm:12px;
    --shadow-hover:0 8px 24px rgba(17,20,23,.08);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--canvas);
    color:var(--ink);
    font-family:system-ui,"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  :focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-track{background:var(--canvas);}
  ::-webkit-scrollbar-thumb{background:#C9C9C1;border-radius:999px;border:2px solid var(--canvas);}
  .num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:-.01em;}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ============ 顶部导航（搜索主导） ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,246,242,.92);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-top{display:flex;align-items:center;gap:20px;padding:16px 0;transition:padding .24s ease;}
  .site-header.is-scrolled .header-top{padding:8px 0;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--ink);
    display:flex;align-items:center;justify-content:center;color:var(--mint);
  }
  .logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
  .logo-text em{color:var(--flame);font-style:normal;}
  .search-box{
    position:relative;display:flex;align-items:center;flex:1;max-width:560px;height:48px;
    background:var(--card);border:1px solid var(--line);border-radius:999px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(0,214,164,.2);}
  .search-icon{margin:0 10px 0 18px;color:var(--muted);flex-shrink:0;}
  .search-box input{
    flex:1;height:100%;border:0;background:transparent;outline:none;
    font-size:15px;padding:0;min-width:0;
  }
  .search-box input::placeholder{color:var(--muted);}
  .search-btn{
    height:36px;padding:0 18px;margin-right:6px;border:0;border-radius:999px;
    background:var(--ink);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
    transition:background-color .2s ease;
  }
  .search-btn:hover{background:#000;}
  .header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;margin-left:auto;}
  .login-link{font-size:14px;font-weight:600;color:var(--ink);position:relative;}
  .login-link::after{
    content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--flame);transition:width .2s ease;
  }
  .login-link:hover::after{width:100%;}
  .menu-toggle{
    display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
    background:var(--card);align-items:center;justify-content:center;cursor:pointer;
  }
  .nav-cats{
    display:flex;gap:28px;padding:0 0 12px;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-cats::-webkit-scrollbar{display:none;}
  .nav-cat{
    position:relative;font-size:14px;color:var(--muted);padding:4px 0;white-space:nowrap;
    transition:color .2s ease;
  }
  .nav-cat::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ink);
    transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-cat:hover{color:var(--ink);}
  .nav-cat.is-active{color:var(--ink);font-weight:600;}
  .nav-cat.is-active::after{transform:scaleX(1);}
  .mobile-drawer{
    display:none;border-top:1px solid var(--line);background:var(--canvas);
    padding:0 20px 20px;
  }
  .mobile-drawer.is-open{display:block;}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;font-size:15px;border-bottom:1px solid var(--line);color:var(--ink);
  }
  .drawer-link.is-active{color:var(--flame);font-weight:600;}
  .drawer-cta{margin-top:16px;width:100%;justify-content:center;}

  /* ============ 按钮 / 徽章 ============ */
  .btn{
    display:inline-flex;align-items:center;gap:8px;border-radius:999px;
    font-size:14px;font-weight:600;padding:13px 24px;border:1px solid transparent;
    cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .btn .arrow{transition:transform .2s ease;}
  .btn:hover .arrow{transform:translateX(4px);}
  .btn-primary{background:var(--flame);color:#fff;}
  .btn-primary:hover{background:var(--flame-dark);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:#fff;}
  .btn-dark{background:var(--ink);color:#fff;}
  .btn-dark:hover{background:#000;}
  .btn-sm{padding:9px 18px;font-size:13px;}
  .btn-block{width:100%;justify-content:center;}
  .btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
    color:var(--ink);position:relative;
  }
  .link-arrow::after{
    content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--flame);transition:width .2s ease;
  }
  .link-arrow:hover{color:var(--flame);}
  .link-arrow:hover::after{width:100%;}
  .link-arrow:hover .arrow{transform:translateX(4px);}
  .badge{
    display:inline-flex;align-items:center;gap:6px;border-radius:6px;
    font-size:12px;font-weight:600;padding:3px 9px;letter-spacing:.02em;
  }
  .badge-flame{background:rgba(255,77,28,.1);color:var(--flame);}
  .badge-mint{background:rgba(0,214,164,.14);color:var(--ink);}
  .badge-muted{background:#E9E9E2;color:var(--muted);}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-tight{padding:40px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
  .section-title{font-size:clamp(26px,3.2vw,42px);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin:0;}
  .section-desc{margin:10px 0 0;color:var(--muted);font-size:16px;max-width:640px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
    color:var(--muted);text-transform:uppercase;font-weight:600;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--mint);border-radius:2px;}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .card:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:var(--shadow-hover);}
  .grid-2{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:768px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}}

  /* ============ Hero ============ */
  .hero{padding:40px 0 0;}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;padding-top:20px;}
  }
  .hero-title{
    font-size:clamp(34px,5.4vw,62px);line-height:1.06;font-weight:800;
    letter-spacing:-.02em;margin:0 0 18px;
  }
  .hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin:0 0 28px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
  .hero-facts{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px;}
  .hero-facts li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
  .dot{width:7px;height:7px;border-radius:999px;background:var(--mint);display:inline-block;flex-shrink:0;}
  .hero-media{
    position:relative;margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
    aspect-ratio:16/10;background:var(--ink);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-media::after{
    content:"";position:absolute;inset:0;background:rgba(17,20,23,.1);
  }
  .hero-bar{
    margin-top:40px;border-top:1px solid var(--line);padding:20px 0;
    display:flex;flex-wrap:wrap;gap:14px 32px;
  }
  .hero-bar-item{display:inline-flex;align-items:center;gap:10px;font-size:13px;}
  .hero-bar-item .label{color:var(--muted);letter-spacing:.06em;}
  .hero-bar-item .value{font-weight:600;}
  .hero-bar-item::after{content:"";width:5px;height:5px;border-radius:999px;background:var(--mint);margin-left:22px;}
  .hero-bar-item:last-child::after{display:none;}

  /* ============ 登录方式卡片 ============ */
  .info-card{padding:26px;display:flex;flex-direction:column;gap:12px;}
  .info-icon{
    width:44px;height:44px;border-radius:12px;background:var(--canvas);
    display:flex;align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);
  }
  .info-card h3{margin:4px 0 0;font-size:20px;font-weight:600;line-height:1.35;}
  .info-card p{margin:0;color:var(--muted);font-size:15px;}
  .info-meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);}

  /* ============ 对比表 ============ */
  .cmp-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;}
  .cmp-hint{display:none;margin:0;padding:12px 18px;font-size:12px;color:var(--muted);background:var(--canvas);border-bottom:1px solid var(--line);letter-spacing:.06em;}
  .cmp-scroll{overflow-x:auto;}
  .cmp-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
  .cmp-table th,.cmp-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;}
  .cmp-table thead th{
    background:var(--canvas);font-size:12px;letter-spacing:.06em;color:var(--muted);
    font-weight:600;position:relative;white-space:nowrap;
  }
  .cmp-table tbody th{font-weight:600;color:var(--ink);width:26%;}
  .cmp-table tbody tr{transition:background-color .18s ease;}
  .cmp-table tbody tr:hover{background:var(--canvas);}
  .cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0;}
  .col-featured{background:var(--ink);color:#fff;}
  .cmp-table thead .col-featured{background:var(--ink);color:#fff;}
  .cmp-table thead .col-featured::before{
    content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--flame);
  }
  .cmp-table tbody tr:hover .col-featured{background:#1B2024;}
  .cmp-table .yes{color:var(--mint);font-weight:700;}
  .cmp-table .no{color:var(--muted);}
  .cmp-foot{
    margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    gap:16px;padding:20px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  }
  .cmp-foot p{margin:0;font-size:14px;color:var(--muted);}

  /* ============ 流程步骤 ============ */
  .steps{border-top:1px solid var(--line);}
  .step{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);}
  @media (min-width:768px){.step{grid-template-columns:120px 1fr;gap:32px;}}
  .step-num{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-weight:600;color:var(--muted);font-size:14px;letter-spacing:.04em;}
  .step h3{margin:0 0 6px;font-size:18px;font-weight:600;}
  .step p{margin:0;color:var(--muted);font-size:15px;max-width:720px;}
  .step-tags{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px;}

  /* ============ 安全与自助服务 ============ */
  .safe-list{list-style:none;margin:0;padding:0;}
  .safe-list li{
    display:flex;align-items:flex-start;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;
  }
  .safe-list li:last-child{border-bottom:0;}
  .safe-list b{display:block;font-weight:600;font-size:16px;margin-bottom:2px;}
  .safe-list span{color:var(--muted);font-size:14px;}
  .check{color:var(--mint);flex-shrink:0;margin-top:3px;}

  /* ============ FAQ ============ */
  .faq{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;border:1px solid var(--line);border-radius:999px;
    display:flex;align-items:center;justify-content:center;color:var(--muted);
    transition:transform .24s ease,color .24s ease,border-color .24s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--flame);border-color:var(--flame);}
  .faq-item[open] summary{color:var(--ink);}
  .faq-body{padding:0 0 22px;color:var(--muted);font-size:15px;max-width:820px;}

  /* ============ CTA ============ */
  .cta-band{
    background-image:linear-gradient(rgba(17,20,23,.94),rgba(23,27,30,.97)),url(/assets/images/backpic/back-1.png);
    background-size:cover;background-position:center;
    color:#fff;padding:56px 0;
  }
  @media (min-width:1024px){.cta-band{padding:88px 0;}}
  .cta-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:start;}
  @media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:64px;}}
  .cta-band .eyebrow{color:rgba(255,255,255,.6);}
  .cta-title{font-size:clamp(26px,3.4vw,42px);line-height:1.15;font-weight:700;margin:0 0 16px;letter-spacing:-.01em;}
  .cta-text{color:rgba(255,255,255,.68);font-size:16px;margin:0 0 24px;max-width:520px;}
  .cta-points{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
  .cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.82);}
  .cta-points svg{flex-shrink:0;margin-top:3px;color:var(--mint);}
  .cta-form{
    background:var(--card);color:var(--ink);border-radius:var(--radius);
    padding:26px;border:1px solid rgba(255,255,255,.12);
  }
  @media (min-width:768px){.cta-form{padding:32px;}}
  .form-row{margin-bottom:16px;}
  .form-grid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}}
  .form-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .form-input,.form-select,.form-textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:12px 14px;font-size:15px;background:#fff;outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .form-input:focus,.form-select:focus,.form-textarea:focus{
    border-color:var(--ink);box-shadow:0 0 0 3px rgba(0,214,164,.2);
  }
  .form-textarea{min-height:88px;resize:vertical;}
  .form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:16px 0 18px;}
  .form-check input{margin-top:3px;width:16px;height:16px;accent-color:var(--flame);}
  .form-note{margin:12px 0 0;font-size:12px;color:var(--muted);}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--ink);color:#fff;padding:56px 0 32px;--muted:#9AA1A6;}
  @media (min-width:1024px){.site-footer{padding:64px 0 32px;}}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
  .footer-brand .logo-text{color:#fff;}
  .footer-desc{color:rgba(255,255,255,.6);font-size:14px;margin:16px 0 0;max-width:340px;}
  .footer-col h4{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.5);margin:0 0 16px;font-weight:600;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.78);transition:color .2s ease;}
  .footer-col a:hover{color:var(--mint);}
  .footer-bottom{
    margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.55);}
  .footer-bottom a:hover{color:#fff;}

  /* ============ 动效 ============ */
  .reveal{opacity:0;transform:translateY(10px);transition:opacity .28s cubic-bezier(.22,1,.36,1),transform .28s cubic-bezier(.22,1,.36,1);}
  .reveal.is-in{opacity:1;transform:translateY(0);}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
    .card:hover,.btn:hover{transform:none;}
  }

  /* ============ 移动端 ============ */
  @media (max-width:1023px){
    .menu-toggle{display:flex;}
    .login-link,.header-actions .btn{display:none;}
    .nav-cats{display:none;}
  }
  @media (max-width:639px){
    .header-top{flex-wrap:wrap;gap:12px;}
    .search-box{order:3;flex-basis:100%;max-width:none;height:44px;}
    .search-box input{font-size:14px;}
    .hero-bar-item::after{display:none;}
    .section-head{flex-direction:column;align-items:flex-start;}
    .cmp-hint{display:block;}
    .cta-form{padding:20px;}
  }