/* roulang page: index */
:root{
  --brand:#1760A8;
  --brand-dark:#0F4784;
  --brand-soft:#E8F1FA;
  --accent:#F26B21;
  --accent-dark:#D9560F;
  --accent-soft:#FEF0E7;
  --teal:#12A594;
  --teal-soft:#E4F6F3;
  --ink:#1B2733;
  --ink-2:#5A6B7B;
  --ink-3:#8496A6;
  --line:#E3EBF3;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --footer-bg:#0E2136;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
  --shadow-nav:0 8px 24px rgba(16,42,67,.08);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;background-color:transparent;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{
  max-width:1304px;
  margin-left:auto;
  margin-right:auto;
  padding-left:12px;
  padding-right:12px;
  width:100%;
}
.grid-x > .cell{padding-left:12px;padding-right:12px;}
.button,.card,.callout,.accordion,.tabs{border-radius:var(--radius-btn);}
.menu a{color:inherit;}
.show-for-sr{
  position:absolute!important;width:1px!important;height:1px!important;
  padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;border:0!important;
}

/* ---------- 通用组件 ---------- */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 12px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--surface{background:var(--surface);}
.section--line{border-top:1px solid var(--line);}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:29px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-0.2px;
  color:var(--ink);
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
  max-width:680px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--radius-pill);
  padding:5px 12px;
  margin-bottom:14px;
}
.eyebrow--accent{color:var(--accent-dark);background:var(--accent-soft);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),background-color .18s,box-shadow .18s,border-color .18s,color .18s,filter .18s;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 2px 6px rgba(23,96,168,.18);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 2px 6px rgba(242,107,33,.22);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-accent:active{transform:translateY(0);filter:brightness(.96);}
.btn-outline{background:var(--surface);color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.text-link .arrow{transition:transform .18s ease;}
.text-link:hover .arrow{transform:translateX(4px);}
.text-link:hover{text-decoration:underline;text-underline-offset:3px;}

.badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 8px;
  font-size:12px;
  font-weight:600;
  line-height:1;
  border-radius:var(--radius-badge);
  background:var(--brand-soft);
  color:var(--brand);
  white-space:nowrap;
}
.badge--teal{background:var(--teal-soft);color:#0B7D70;}
.badge--accent{background:var(--accent-soft);color:var(--accent-dark);}
.badge--outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

.chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  font-size:12.5px;
  font-weight:500;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  color:var(--brand);
  white-space:nowrap;
  transition:background-color .18s,color .18s;
}
.chip:hover{background:var(--brand);color:#fff;}

.mono{font-family:var(--font-mono);font-size:13px;letter-spacing:.2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px) saturate(160%);
  -webkit-backdrop-filter:blur(10px) saturate(160%);
  box-shadow:var(--shadow-nav);
}
.nav-brand-row{height:56px;display:flex;align-items:center;}
.nav-brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .25s ease;
}
.site-header.is-stuck .brand-mark{transform:scale(.88);}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:-0.2px;
  color:var(--ink);
  white-space:nowrap;
  transition:font-size .25s ease;
}
.site-header.is-stuck .brand-text{font-size:15.5px;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search{
  display:flex;
  align-items:center;
  height:40px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--bg);
  padding:0 12px;
  gap:8px;
  transition:border-color .18s,box-shadow .18s,background-color .18s;
  width:216px;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(23,96,168,.12);}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:13.5px;color:var(--ink);height:100%;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);}
.nav-search button:hover{color:var(--brand);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

.nav-channel-row{border-top:1px solid var(--line);transition:max-height .3s ease,opacity .25s ease,border-color .25s;}
.nav-channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:44px;}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .18s;
}
.channel-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.channel-link:hover{color:var(--brand);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--brand);font-weight:700;}
.channel-link.is-active::after{transform:scaleX(1);}
.hot-chips{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.site-header.is-stuck .nav-channel-row{
  max-height:0;
  opacity:0;
  overflow:hidden;
  border-color:transparent;
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(14,33,54,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-inner{
  position:absolute;top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:#fff;
  padding:20px 20px 32px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:20px;
}
.mobile-drawer.is-open .drawer-inner{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:17px;font-weight:700;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);font-size:20px;line-height:1;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-search{display:flex;gap:8px;}
.drawer-search input{
  flex:1;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 12px;outline:none;font-size:14px;background:var(--bg);
}
.drawer-search input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(23,96,168,.12);}
.drawer-search button{
  height:44px;padding:0 16px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  padding:14px 2px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(232,241,250,.55) 0%,rgba(244,247,251,0) 62%),
    repeating-linear-gradient(115deg,rgba(23,96,168,.045) 0 1px,transparent 1px 26px),
    var(--bg);
  padding:72px 0 88px;
  overflow:hidden;
}
.hero-grid{align-items:center;}
.hero-copy h1{
  font-size:42px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-0.4px;
  color:var(--ink);
  margin-bottom:20px;
}
.hero-copy h1 .hl{
  color:var(--brand);
  box-shadow:inset 0 -12px 0 rgba(242,107,33,.14);
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:20px 28px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);}
.trust-item svg{flex:0 0 18px;color:var(--teal);}

.hero-visual{position:relative;padding:12px 0 28px;}
.hero-media{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--brand-soft);
  aspect-ratio:16/11;
}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,33,54,0) 55%,rgba(14,33,54,.28) 100%);
}
.float-card{
  position:absolute;
  display:flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border-radius:12px;
  padding:12px 16px;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(227,235,243,.9);
}
.float-card strong{display:block;font-size:14px;font-weight:700;color:var(--ink);line-height:1.3;}
.float-card span{display:block;font-size:12px;color:var(--ink-3);line-height:1.4;}
.float-card-a{left:-6px;bottom:44px;}
.float-card-b{right:-6px;top:34px;}
.dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 4px rgba(18,165,148,.16);
  flex:0 0 9px;
}

/* ---------- 价值卡 ---------- */
.value-grid{margin-top:-8px;}
.value-sub{margin-top:0;}
.value-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.value-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3);}
.value-card h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.value-card p{font-size:14.5px;line-height:1.75;color:var(--ink-2);}
.value-icon{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  flex:0 0 44px;
}
.value-card--lead{
  background:linear-gradient(160deg,#fff 0%,#F7FBFF 100%);
  border-color:rgba(23,96,168,.22);
  padding:32px 28px;
  height:100%;
}
.value-card--lead .value-icon{background:var(--accent-soft);color:var(--accent);}
.value-card--lead h3{font-size:21px;}
.value-card--lead p{font-size:15px;}
.value-card--lead .value-points{margin-top:auto;padding-top:8px;display:flex;flex-direction:column;gap:8px;}
.value-points li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink-2);}
.value-points li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--brand);
  flex:0 0 6px;margin-top:9px;
}
.value-card--wide{flex-direction:row;align-items:center;gap:16px;}
.value-card--wide h3{margin-bottom:2px;}
.value-sub > .cell{margin-bottom:24px;}

/* ---------- 登录三步 ---------- */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  position:relative;
  margin-top:8px;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  font-family:var(--font-mono);font-size:15px;font-weight:700;
  margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:14px;}
.step-line{
  position:absolute;top:46px;right:-13px;width:26px;height:2px;
  background:linear-gradient(90deg,var(--line),rgba(23,96,168,.35));
}
.step-card:last-child .step-line{display:none;}

/* ---------- 截图轮播 ---------- */
.shot-slide{padding:0 4px;}
.device-frame{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:12px;
  box-shadow:var(--shadow-1);
}
.device-frame img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  background:var(--brand-soft);
}
.shot-caption{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 6px 6px;
}
.shot-caption h3{font-size:16px;font-weight:600;}
.shot-caption p{font-size:13.5px;color:var(--ink-2);margin-top:4px;}
.orbit{margin:0;}
.orbit-wrapper{position:relative;}
.orbit-controls{position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:space-between;padding:0 6px;z-index:5;}
.orbit-controls button{
  pointer-events:auto;
  width:42px;height:42px;border-radius:50%;
  background:#fff;color:var(--brand);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  font-size:18px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .18s,color .18s,transform .18s;
}
.orbit-controls button:hover{background:var(--brand);color:#fff;transform:scale(1.04);}
.orbit-bullets{display:flex;justify-content:center;gap:8px;margin-top:26px;}
.orbit-bullets button{
  width:6px;height:6px;padding:0;border-radius:var(--radius-pill);
  background:#C7D6E4;transition:width .22s ease,background-color .22s ease;
}
.orbit-bullets button.is-active{width:20px;background:var(--brand);}
.orbit-slide{display:none;width:100%;}
.orbit-slide.is-active{display:block;}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.req-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.req-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.req-card-head h3{font-size:19px;font-weight:600;display:flex;align-items:center;gap:10px;}
.req-block{margin-bottom:18px;}
.req-block:last-child{margin-bottom:0;}
.req-block-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.req-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.req-list li:last-child{border-bottom:0;}
.req-val{
  font-family:var(--font-mono);font-size:13px;
  background:var(--brand-soft);color:var(--brand-dark);
  padding:2px 8px;border-radius:6px;
  white-space:nowrap;
}

/* ---------- 最新信息 ---------- */
.news-grid{margin-top:-8px;}
.news-grid > .cell{margin-bottom:24px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3);}
.news-thumb{
  position:relative;
  overflow:hidden;
  background:var(--brand-soft);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb--std{aspect-ratio:16/9;}
.news-thumb--lead{aspect-ratio:4/3;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s;
}
.news-card:hover .news-body h3{color:var(--brand);}
.news-body p{
  font-size:14px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-3);
}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px 20px;
  background:var(--surface);
}
.empty-state svg{color:var(--ink-3);}
.empty-state p{font-size:14px;color:var(--ink-2);}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
  position:relative;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.review-card:nth-child(2){margin-top:20px;}
.review-card:nth-child(3){margin-top:8px;}
.review-quote{color:var(--brand-soft);margin-bottom:14px;}
.review-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-bottom:20px;}
.review-foot{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:15px;font-weight:700;flex:0 0 40px;
}
.review-name{font-size:14px;font-weight:600;color:var(--ink);}
.review-role{font-size:12.5px;color:var(--ink-3);}
.stars{display:flex;gap:2px;margin-left:auto;color:var(--accent);}

/* ---------- 下载 CTA ---------- */
.download-cta{
  background:linear-gradient(140deg,#EAF3FB 0%,#F7FBFE 60%,#FEF3EC 100%);
  border-radius:18px;
  padding:44px 40px;
  border:1px solid rgba(23,96,168,.14);
}
.dl-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;}
.dl-left h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:12px;}
.dl-left p{font-size:15px;color:var(--ink-2);max-width:520px;margin-bottom:26px;}
.dl-main{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;}
.dl-platforms{display:flex;flex-wrap:wrap;gap:10px;}
.dl-check{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ink-3);}
.dl-check span{display:inline-flex;align-items:center;gap:6px;}
.dl-check .mono{color:var(--ink-2);}
.qr-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  text-align:center;
  box-shadow:var(--shadow-1);
  max-width:280px;
  margin-left:auto;
}
.qr-card svg{margin:0 auto 14px;}
.qr-card strong{display:block;font-size:14.5px;font-weight:600;margin-bottom:6px;}
.qr-card span{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(23,96,168,.3);box-shadow:var(--shadow-2);}
.faq-item > summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:56px;
  padding:16px 22px 16px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  position:relative;
}
.faq-item > summary::-webkit-details-marker{display:none;}
.faq-item > summary::before{
  content:"";
  width:3px;
  align-self:stretch;
  min-height:22px;
  border-radius:3px;
  background:var(--brand);
  flex:0 0 3px;
}
.faq-item > summary::after{
  content:"+";
  margin-left:auto;
  font-size:20px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
  transition:transform .18s ease;
}
.faq-item[open] > summary::after{content:"−";}
.faq-item > summary:hover{color:var(--brand);}
.faq-body{padding:0 24px 22px 44px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.faq-body p + p{margin-top:10px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:#C6D3E0;margin-top:96px;}
.footer-main{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:13.5px;line-height:1.85;color:#93A7BC;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:13.5px;color:#C6D3E0;position:relative;transition:color .18s;}
.footer-col a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.footer-col a:hover{color:var(--accent);}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{
  border-top:1px solid rgba(198,211,224,.16);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:#8298AE;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom-links a{color:#8298AE;}
.footer-bottom-links a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .section{padding:84px 0;}
  .hero-copy h1{font-size:38px;}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:8px;padding-right:8px;}
  .section{padding:72px 0;}
  .hero{padding:52px 0 68px;}
  .hero-copy h1{font-size:33px;}
  .hero-sub{font-size:16px;}
  .nav-search{display:none;}
  .hot-chips{display:none;}
  .section-head h2{font-size:25px;}
  .steps-wrap{grid-template-columns:1fr;gap:16px;}
  .step-line{display:none;}
  .req-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;gap:16px;}
  .review-card:nth-child(2),.review-card:nth-child(3){margin-top:0;}
  .dl-grid{grid-template-columns:1fr;gap:28px;}
  .qr-card{margin:0 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .value-card--lead{margin-bottom:24px;}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:6px;padding-right:6px;}
  .grid-x > .cell{padding-left:12px;padding-right:12px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:22px;}
  .hero{padding:40px 0 56px;}
  .hero-copy h1{font-size:27px;letter-spacing:-0.2px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:14px 20px;}
  .hero-media{aspect-ratio:4/3;}
  .float-card{padding:10px 12px;}
  .float-card-a{left:6px;bottom:16px;}
  .float-card-b{right:6px;top:14px;}
  .channel-nav{gap:0;}
  .channel-link{padding:0 10px;font-size:13.5px;}
  .channel-link::after{left:10px;right:10px;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-accent{display:none;}
  .value-card--wide{flex-direction:column;align-items:flex-start;}
  .download-cta{padding:28px 20px;border-radius:14px;}
  .dl-left h2{font-size:22px;}
  .dl-main .btn,.dl-platforms .btn{width:100%;}
  .faq-body{padding:0 20px 20px 42px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;}
  .footer-main{padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .review-card{padding:22px;}
  .req-card{padding:22px;}
}

/* roulang page: article */
:root{
  --brand:#1760A8;
  --brand-dark:#0F4784;
  --brand-soft:#E8F1FA;
  --accent:#F26B21;
  --accent-dark:#D95A14;
  --accent-soft:#FEF0E7;
  --teal:#12A594;
  --ink:#1B2733;
  --ink-2:#5A6B7B;
  --line:#E3EBF3;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --footer-bg:#0E2136;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
  --shadow-nav:0 8px 24px rgba(16,42,67,.08);
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.grid-container{max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.grid-container{padding-left:32px;padding-right:32px}}

/* ---------- 阅读进度 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:400;transition:width .1s linear}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:300;background:#fff;transition:background .25s ease,box-shadow .25s ease}
body.is-scrolled .site-header{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px) saturate(160%);
  backdrop-filter:blur(10px) saturate(160%);
  box-shadow:var(--shadow-nav);
}
.topbar{border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;transition:height .22s ease}
body.is-scrolled .topbar-inner{height:50px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark svg{width:32px;height:32px;transition:transform .22s ease}
body.is-scrolled .brand-mark svg{transform:scale(.88)}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.2px;white-space:nowrap}
.brand-text b{color:var(--brand);font-weight:700}
.topbar-actions{display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;color:var(--ink-2);font-size:13px;pointer-events:none}
.nav-search input{
  width:210px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;padding:0 14px 0 36px;font-size:14px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,width .22s ease;
}
.nav-search input::placeholder{color:#9AAABA}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(242,107,33,.22)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.mobile-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;font-size:16px;color:var(--ink);
}
.mobile-toggle:hover{border-color:var(--brand);color:var(--brand)}
.channel-wrap{border-bottom:1px solid var(--line)}
.channel-nav{display:flex;align-items:center;gap:4px;height:44px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:color .2s ease;
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--brand);border-radius:3px 3px 0 0;transform:scaleX(0);
  transform-origin:center;transition:transform .2s ease;
}
.channel-link:hover{color:var(--brand)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--brand);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1)}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,33,54,.45);z-index:390;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:395;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-list{display:flex;flex-direction:column;gap:4px}
.drawer-list a{
  display:block;padding:13px 14px;border-radius:10px;font-size:15px;font-weight:600;
  color:var(--ink);border:1px solid transparent;transition:.18s ease;
}
.drawer-list a:hover,.drawer-list a.is-active{background:var(--brand-soft);color:var(--brand);border-color:#D3E4F6}
.drawer-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid var(--line);
  padding:0 14px;font-size:14px;outline:none;
}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14)}

/* ---------- 页面骨架 ---------- */
.page-shell{padding:26px 0 88px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:16px}
.crumb a{color:var(--ink-2);transition:color .18s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B7C4D2}
.crumb .current{color:var(--brand);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:32px 40px 36px;
}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--radius-badge);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.2px;
}
.badge-teal{background:#E4F6F3;color:#0C8074}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.article-title{
  font-size:38px;line-height:1.32;font-weight:700;letter-spacing:-.4px;
  color:var(--ink);margin-top:14px;max-width:880px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-2)}
.article-meta time{font-variant-numeric:tabular-nums}
.article-meta .dot{color:#C9D5E1}
.article-cover{
  margin-top:24px;border-radius:var(--radius-card);overflow:hidden;aspect-ratio:16/9;
  background-color:var(--brand-soft);
  background-image:repeating-linear-gradient(135deg,rgba(23,96,168,.05) 0 8px,transparent 8px 16px);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文排版 ---------- */
.article-body{margin-top:28px;max-width:780px;font-size:16px;line-height:1.85;color:var(--ink)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:25px;line-height:1.42;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;scroll-margin-top:110px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:28px 0 12px;scroll-margin-top:110px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(23,96,168,.32)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body strong{font-weight:700;color:var(--brand-dark)}
.article-body blockquote{
  margin:22px 0;padding:16px 22px;background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:10px;color:#274257;font-size:15.5px;line-height:1.8;
}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px}
.article-body li{position:relative;padding-left:18px;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.74em;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item;padding-left:24px}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.18em;color:var(--brand);font-weight:700;
  font-size:14px;font-family:var(--mono);
}
.article-body img{border-radius:12px;margin:20px 0;width:100%}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;
  border-top:2px solid var(--brand);background:#fff;
}
.article-body th,.article-body td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{font-weight:600;color:var(--ink);background:#F7FAFD;white-space:nowrap}
.article-body tbody tr:nth-child(even){background:#F7FAFD}
.article-body code{
  font-family:var(--mono);font-size:14px;background:#F1F5F9;color:#274257;
  padding:2px 6px;border-radius:6px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:40px 24px;text-align:center;background:#FBFDFF;
}
.empty-state i{font-size:30px;color:var(--brand)}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- 文章尾部 CTA ---------- */
.article-cta{
  margin-top:44px;background:var(--brand-soft);border-radius:18px;padding:30px 32px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
}
.article-cta h2{font-size:21px;font-weight:700;line-height:1.45;color:var(--brand-dark)}
.article-cta p{margin-top:10px;font-size:14.5px;line-height:1.8;color:#3C5875;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.article-foot{
  margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding-top:20px;border-top:1px solid var(--line);
}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow i{font-size:12px;transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{text-decoration:underline}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:20px;
}
.side-card h2{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;
}
.side-card h2 i{font-size:13px;color:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:330px;overflow-y:auto;margin:-4px -4px 0}
.toc-list a{
  display:block;font-size:13.5px;line-height:1.55;color:var(--ink-2);
  padding:7px 10px;border-radius:8px;border-left:2px solid transparent;transition:.18s ease;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand)}
.toc-list a.is-active{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand);font-weight:600}
.toc-list a.lv3{padding-left:22px;font-size:13px;color:#7B8B9B}
.rec-list{display:flex;flex-direction:column;gap:16px}
.rec-item{display:flex;gap:12px;align-items:flex-start}
.rec-thumb{
  flex:0 0 96px;width:96px;height:64px;border-radius:10px;overflow:hidden;
  background-color:var(--brand-soft);
  background-image:repeating-linear-gradient(135deg,rgba(23,96,168,.05) 0 8px,transparent 8px 16px);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.rec-item:hover .rec-thumb img{transform:scale(1.05)}
.rec-title{
  font-size:14px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.rec-item:hover .rec-title{color:var(--brand)}
.rec-meta{font-size:12px;color:var(--ink-2);margin-top:6px}
.side-return{display:flex;flex-wrap:wrap;gap:10px 20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#C6D3E0;margin-top:88px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB3C8;max-width:36ch}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:#C6D3E0;transition:color .2s ease}
.footer-col a:hover{color:var(--accent);text-decoration:underline}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#8FA5BA;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom-links a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-side{top:90px}
}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:28px}
  .article-side{position:static;gap:18px}
  .article-title{font-size:32px}
  .panel{padding:28px 28px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-search{display:none}
  .article-title{font-size:27px}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:18px}
  .article-cta{grid-template-columns:1fr;padding:24px 22px}
  .article-cover{aspect-ratio:4/3}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .channel-wrap{display:none}
  .mobile-toggle{display:inline-flex}
  .topbar-actions .btn-sm{display:none}
  .page-shell{padding:18px 0 64px}
  .panel{padding:22px 18px 26px;border-radius:12px}
  .article-title{font-size:24px;line-height:1.38}
  .article-body{font-size:16px;line-height:1.8}
  .article-body table{font-size:13px}
  .article-body th,.article-body td{padding:10px 10px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .site-footer{margin-top:56px;padding-top:48px}
  .footer-bottom{margin-top:32px}
}

/* roulang page: category1 */
:root{
  --brand:#1760A8;
  --brand-dark:#0F4784;
  --brand-soft:#E8F1FA;
  --accent:#F26B21;
  --accent-dark:#D9581A;
  --accent-soft:#FEF0E7;
  --teal:#12A594;
  --teal-soft:#E4F6F3;
  --ink:#1B2733;
  --ink-2:#5A6B7B;
  --line:#E3EBF3;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --footer-bg:#0E2136;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
  --shadow-nav:0 8px 24px rgba(16,42,67,.08);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.2px;
}
h1{font-size:40px;line-height:1.28;letter-spacing:-.4px;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:18px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color 180ms var(--ease);}
a:hover,a:focus{color:var(--brand-dark);}
img{display:block;max-width:100%;height:auto;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,.chip:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
.mono{font-family:var(--mono);font-size:13px;background:var(--brand-soft);color:var(--brand-dark);padding:2px 6px;border-radius:6px;}
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px;}
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;padding-left:32px;padding-right:32px;}
}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease),background 220ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px) saturate(160%);
  backdrop-filter:blur(10px) saturate(160%);
  box-shadow:var(--shadow-nav);
}
.brand-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:56px;
  transition:height 220ms var(--ease);
}
.site-header.is-scrolled .brand-bar-inner{height:50px;}
.brand-logo-link{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand-logo-link:hover{color:var(--brand-dark);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  transition:transform 220ms var(--ease);
}
.site-header.is-scrolled .brand-mark{transform:scale(.88);}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.2px;
  white-space:nowrap;
}
.brand-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  background:transparent;
  color:var(--ink-2);
  cursor:pointer;
  transition:background 180ms var(--ease),color 180ms var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);}
.nav-search{display:flex;align-items:center;}
.nav-search input{
  width:0;
  opacity:0;
  height:44px;
  margin:0;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-family:inherit;
  font-size:14px;
  color:var(--ink);
  transition:width 220ms var(--ease),opacity 180ms var(--ease),padding 220ms var(--ease);
}
.nav-search input::placeholder{color:#93A3B3;}
.nav-search.is-open input{width:236px;opacity:1;padding:0 14px;margin-left:8px;}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14);}
.nav-toggle{display:none;}
.channel-bar{
  border-top:1px solid var(--line);
  background:#fff;
  transition:height 220ms var(--ease);
}
.channel-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:46px;
}
.site-header.is-scrolled .channel-bar-inner{height:40px;}
.channel-nav{display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:100%;
  padding:12px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
}
.channel-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:4px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 200ms var(--ease);
}
.channel-link:hover{color:var(--brand);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--brand);font-weight:700;}
.channel-link.is-active::after{transform:scaleX(1);}
.hot-chips{display:flex;align-items:center;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
  transition:background 180ms var(--ease),color 180ms var(--ease);
}
.chip:hover{background:#D6E7F7;color:var(--brand-dark);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(14,33,54,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  z-index:100;
  width:min(86vw,340px);
  height:100%;
  background:#fff;
  padding:22px 20px 32px;
  transform:translateX(104%);
  transition:transform 260ms var(--ease);
  overflow-y:auto;
  box-shadow:-12px 0 40px rgba(16,42,67,.16);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-size:15px;font-weight:700;}
.drawer-search{display:flex;gap:8px;margin-bottom:18px;}
.drawer-search input{
  flex:1;
  height:44px;
  margin:0;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  font-family:inherit;
  font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14);}
.drawer-list{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-list a{
  display:block;
  padding:13px 12px;
  border-radius:10px;
  color:var(--ink);
  font-size:15px;
  font-weight:500;
}
.drawer-list a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-list a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark);}
.btn-ghost{background:transparent;color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);filter:brightness(.96);}
.btn[aria-disabled="true"],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 8px;
  border-radius:var(--radius-badge);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.2px;
}
.badge-teal{background:var(--teal-soft);color:var(--teal);}
.badge-accent{background:var(--accent-soft);color:#C2521A;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span[aria-current]{color:var(--brand);font-weight:600;}

/* ---------- 分类页头 ---------- */
.page-hero{
  background:
    radial-gradient(1100px 380px at 82% -10%,rgba(23,96,168,.10),transparent 62%),
    linear-gradient(180deg,#F7FAFE 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.page-hero h1{max-width:760px;}
.page-hero .lead{
  max-width:640px;
  margin:18px 0 26px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.meta-line{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--ink-2);}
.meta-line li{display:flex;align-items:center;gap:6px;}
.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:linear-gradient(135deg,#E8F1FA,#F7FAFE);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  object-position:center 38%;
}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,33,54,0) 45%,rgba(14,33,54,.42) 100%);
}
.hero-figure figcaption{
  position:absolute;
  left:18px;bottom:16px;
  z-index:2;
  color:#fff;
  font-size:13px;
  font-weight:500;
  letter-spacing:.2px;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1.6px;
  color:var(--brand);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent);}

/* ---------- 交替图文 ---------- */
.zigzag-row{align-items:center;margin-bottom:72px;}
.zigzag-row:last-child{margin-bottom:0;}
.zigzag-text .step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  margin-bottom:16px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  font-family:var(--mono);
  font-size:16px;
  font-weight:700;
}
.zigzag-text h2{font-size:26px;margin-bottom:16px;}
.zigzag-text p{color:var(--ink-2);font-size:16px;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--ink);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:3px;
  background:var(--brand);
}
.zigzag-media{margin:0 0 26px;}
.zigzag-media img{
  width:100%;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-2);
  object-fit:cover;
}
.zigzag-media--wide img{aspect-ratio:16/9;object-position:center 40%;}
.zigzag-media--tall img{aspect-ratio:4/3;object-position:center 55%;}
.zigzag-media--square img{aspect-ratio:1/1;object-position:center 30%;}
.zigzag-media figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--ink-2);
}
@media screen and (min-width:1024px){
  .zigzag-row--reverse .zigzag-text{order:2;}
  .zigzag-row--reverse .zigzag-media{order:1;}
}

/* ---------- 配置要求 ---------- */
.spec-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:26px;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3);}
.spec-card h3{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.spec-card .spec-note{font-size:14px;color:var(--ink-2);margin-bottom:20px;}
.spec-group{
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin-top:16px;
}
.spec-group:first-of-type{border-top:none;padding-top:0;margin-top:0;}
.spec-group-head{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;font-weight:600;color:var(--ink);}
.spec-list{display:flex;flex-direction:column;gap:8px;}
.spec-list li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  font-size:14px;
  color:var(--ink-2);
}
.spec-list li span:last-child{
  font-family:var(--mono);
  font-size:13px;
  color:var(--brand-dark);
  background:var(--brand-soft);
  border-radius:6px;
  padding:2px 8px;
  white-space:nowrap;
}

/* ---------- 下载 CTA ---------- */
.cta-panel{
  background:linear-gradient(135deg,#E8F1FA 0%,#F8FBFF 62%,#EFF7FF 100%);
  border:1px solid var(--line);
  border-radius:18px;
  padding:44px;
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr);
  gap:40px;
  align-items:center;
}
.cta-panel h2{font-size:27px;margin:14px 0 14px;}
.cta-panel p{color:var(--ink-2);max-width:600px;}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px;}
.cta-side{display:flex;justify-content:center;}
.qr-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:20px;
  text-align:center;
  width:100%;
  max-width:260px;
}
.qr-figure{
  width:150px;height:150px;
  margin:0 auto 14px;
  border-radius:10px;
  background:#F7FAFE;
  display:flex;
  align-items:center;
  justify-content:center;
}
.qr-text{font-size:13px;color:var(--ink-2);margin:0;}
.qr-text strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px;}

/* ---------- 相关阅读卡 ---------- */
.link-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3);}
.link-card .thumb{overflow:hidden;}
.link-card .thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.link-card:hover .thumb img{transform:scale(1.03);}
.link-card .card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;}
.link-card h3{font-size:17px;transition:color 180ms var(--ease);}
.link-card:hover h3{color:var(--brand);}
.link-card p{font-size:14px;color:var(--ink-2);margin:0;}
.link-card .card-meta{font-size:12px;color:var(--ink-2);margin-top:auto;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.text-link::after{
  content:"→";
  display:inline-block;
  transition:transform 200ms var(--ease);
}
.text-link:hover{text-decoration:underline;}
.text-link:hover::after{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion{
  margin:0;
  padding:0;
  list-style:none;
  background:transparent;
}
.accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.accordion .accordion-item.is-active{border-color:rgba(23,96,168,.32);box-shadow:var(--shadow-2);}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:0 56px 0 26px;
  height:56px;
  line-height:56px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  background:transparent;
  border:none;
  margin:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{color:var(--brand);background:transparent;}
.accordion .accordion-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:22px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
}
.accordion .accordion-title::after{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand);
  transition:transform 180ms var(--ease);
}
.accordion .accordion-item.is-active > .accordion-title::after{
  content:"−";
  transform:translateY(-50%) rotate(180deg);
}
.accordion .accordion-content{
  padding:0 26px 24px 26px;
  border:none;
  background:transparent;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.accordion .accordion-content p{margin:0 0 10px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- 页尾 CTA ---------- */
.final-cta{
  background:var(--footer-bg);
  border-radius:18px;
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.final-cta h2{color:#fff;font-size:26px;margin-bottom:12px;}
.final-cta p{color:#C6D3E0;margin:0;max-width:620px;font-size:15px;}
.final-cta .final-buttons{display:flex;flex-wrap:wrap;gap:12px;}
.final-cta .btn-outline{background:transparent;color:#fff;border-color:rgba(198,211,224,.5);}
.final-cta .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#C6D3E0;margin-top:88px;padding-top:64px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB2C4;max-width:340px;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#C6D3E0;font-size:14px;position:relative;}
.footer-col a:hover{color:var(--accent);}
.footer-col a:hover::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:1px;
  background:var(--accent);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  padding:22px 0;
  border-top:1px solid rgba(198,211,224,.16);
  font-size:13px;
  color:#8FA3B7;
}
.footer-bottom-links{display:flex;gap:20px;}
.footer-bottom-links a{color:#8FA3B7;}
.footer-bottom-links a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  h1{font-size:32px;}
  .section{padding:72px 0;}
  .page-hero{padding:44px 0 52px;}
  .cta-panel{grid-template-columns:1fr;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .zigzag-media{margin-bottom:0;}
  .zigzag-media{margin-top:24px;}
}
@media screen and (max-width:767px){
  .hot-chips{display:none;}
  .footer-grid{grid-template-columns:1fr;}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  .section{padding:56px 0;}
  .channel-bar{display:none;}
  .nav-search{display:none;}
  .brand-tools .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-name{font-size:15px;}
  .brand-bar-inner{height:56px;}
  .hero-actions .btn{width:100%;}
  .btn-lg{width:100%;}
  .cta-buttons .btn{width:100%;}
  .final-cta{padding:32px 24px;}
  .final-cta .final-buttons{width:100%;}
  .cta-panel{padding:26px 20px;gap:28px;}
  .zigzag-text h2{font-size:21px;}
  .page-hero .lead{font-size:15px;}
  .accordion .accordion-title{height:auto;line-height:1.5;padding:18px 50px 18px 22px;font-size:16px;white-space:normal;}
  .accordion .accordion-title::after{right:18px;}
  .accordion .accordion-content{padding:0 22px 20px;}
  .site-footer{margin-top:56px;padding-top:48px;}
}

/* roulang page: category2 */
:root{
  --brand:#1760A8;
  --brand-dark:#0F4784;
  --brand-soft:#E8F1FA;
  --accent:#F26B21;
  --accent-soft:#FEF0E7;
  --teal:#12A594;
  --ink:#1B2733;
  --ink-2:#5A6B7B;
  --line:#E3EBF3;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --footer-bg:#0E2136;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
  --shadow-nav:0 8px 24px rgba(16,42,67,.08);
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.row-gap-24{row-gap:24px}
.row-gap-16{row-gap:16px}
.align-middle{align-items:center}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(242,107,33,.24)}
.btn-primary:hover{background:#dd5b13;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark);transform:translateY(-1px)}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0);filter:brightness(.96)}
.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.link-arrow::after{content:"→";transition:transform .18s var(--ease)}
.link-arrow:hover{color:var(--brand-dark)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:22px;padding:0 8px;font-size:12px;font-weight:600;border-radius:var(--radius-badge);background:var(--brand-soft);color:var(--brand)}
.badge-teal{background:rgba(18,165,148,.12);color:#0d8477}
.badge-accent{background:var(--accent-soft);color:#c9530f}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.chip{display:inline-flex;align-items:center;font-size:12px;padding:5px 12px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);font-weight:500;transition:background .18s var(--ease),color .18s var(--ease)}
.chip:hover{background:#d6e6f6;color:var(--brand-dark)}

/* ---------- 吸顶导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease),background-color .2s var(--ease)}
.site-header.is-stuck{background:rgba(255,255,255,.94);backdrop-filter:blur(10px) saturate(160%);-webkit-backdrop-filter:blur(10px) saturate(160%);box-shadow:var(--shadow-nav)}
.head-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;transition:height .2s var(--ease)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{display:inline-flex;flex-shrink:0}
.brand-mark svg{width:32px;height:32px;transition:width .2s var(--ease),height .2s var(--ease)}
.brand-text{font-size:18px;font-weight:700;color:var(--brand-dark);letter-spacing:-.3px;white-space:nowrap;transition:font-size .2s var(--ease)}
.head-actions{display:flex;align-items:center;gap:12px}
.head-search{display:flex;align-items:center}
.head-search input{
  height:40px;width:200px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink);font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.head-search input::placeholder{color:#93A3B2}
.head-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14)}
.nav-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;cursor:pointer;color:var(--brand-dark);
}
.nav-burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}

.head-channel{border-top:1px solid var(--line);transition:border-color .2s var(--ease)}
.head-channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;transition:height .2s var(--ease)}
.channel-nav{display:flex;align-items:center;gap:26px;min-width:0}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:color .18s var(--ease),height .2s var(--ease),font-size .2s var(--ease);
}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .2s var(--ease)}
.channel-link:hover{color:var(--brand)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--brand);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1)}
.hot-chips{display:flex;align-items:center;gap:8px;flex-shrink:0}

.site-header.is-stuck .head-top-inner{height:48px}
.site-header.is-stuck .brand-mark svg{width:28px;height:28px}
.site-header.is-stuck .brand-text{font-size:16px}
.site-header.is-stuck .head-channel-inner{height:40px;justify-content:flex-start}
.site-header.is-stuck .channel-nav{flex:1;gap:22px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.site-header.is-stuck .channel-nav::-webkit-scrollbar{display:none}
.site-header.is-stuck .channel-link{height:40px;font-size:14px}
.site-header.is-stuck .hot-chips{display:none}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,33,54,.45);z-index:99;opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;z-index:100;
  background:#fff;padding:20px 20px 32px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s var(--ease);
  box-shadow:-12px 0 32px rgba(16,42,67,.14);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink-2);cursor:pointer;font-size:16px;line-height:1}
.drawer-search{margin:16px 0}
.drawer-search input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);font-size:14px}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14)}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:16px}
.drawer-nav a{display:flex;align-items:center;min-height:48px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.drawer-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 分类页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#F7FAFD 55%,var(--brand-soft) 100%);border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(23,96,168,.055) 0 2px,transparent 2px 16px);pointer-events:none}
.page-hero .grid-container{position:relative;z-index:1}
.hero-row{padding:48px 0 64px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb span[aria-current]{color:var(--brand);font-weight:600}
.breadcrumb a:hover{color:var(--brand)}
.page-hero h1{font-size:40px;line-height:1.28;letter-spacing:-.4px;max-width:680px}
.hero-lead{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-points svg{flex-shrink:0}

.hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;background:var(--brand-soft);box-shadow:var(--shadow-2);aspect-ratio:16/11}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.float-card{
  position:absolute;background:#fff;border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;gap:2px;border:1px solid rgba(227,235,243,.9);
}
.float-card .fc-k{font-size:12px;color:var(--ink-2)}
.float-card .fc-v{font-size:14px;font-weight:700;color:var(--brand-dark)}
.float-card-a{left:18px;bottom:18px}
.float-card-b{right:18px;top:18px}
.fc-dot{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--teal);font-weight:600}
.fc-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px rgba(18,165,148,.16)}

/* ---------- 快捷入口条 ---------- */
.quick-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:20px 24px}
.quick-bar-grid{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.quick-items{display:flex;flex-wrap:wrap;gap:12px}
.quick-item{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:600}
.quick-item:hover{background:#d6e6f6;color:var(--brand-dark)}
.quick-item i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding:8px 0 0}
.timeline::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);background:linear-gradient(180deg,var(--brand-soft) 0%,var(--brand) 22%,var(--brand) 78%,var(--brand-soft) 100%);border-radius:2px}
.tl-item{position:relative;width:50%;padding:0 48px 36px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 36px 48px}
.tl-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:22px 24px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3)}
.tl-card h3{font-size:17px;margin-bottom:8px}
.tl-card:hover h3{color:var(--brand)}
.tl-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.tl-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.tl-num{
  position:absolute;top:26px;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-family:var(--mono);font-size:15px;font-weight:700;
  border:4px solid #fff;box-shadow:0 0 0 2px var(--brand-soft);z-index:2;
}
.tl-item:nth-child(odd) .tl-num{right:-22px}
.tl-item:nth-child(even) .tl-num{left:-22px}
.tl-link{margin-top:14px;display:inline-flex}

/* ---------- 票券卡 ---------- */
.ticket{position:relative;background:linear-gradient(180deg,#fff 0%,#FBFDFF 100%);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:26px 26px 22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.ticket:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.ticket::before,.ticket::after{content:"";position:absolute;top:50%;width:16px;height:16px;border-radius:50%;background:var(--bg);border:1px solid var(--line);transform:translateY(-50%)}
.ticket::before{left:-9px}
.ticket::after{right:-9px}
.ticket-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ticket h3{font-size:18px;margin-top:14px}
.ticket p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
.ticket-divider{border:0;border-top:1px dashed var(--line);margin:16px 0 0}

/* ---------- 数据条 ---------- */
.stat-strip{display:flex;flex-wrap:wrap;gap:20px 32px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:20px 26px}
.stat{display:flex;flex-direction:column;gap:4px;min-width:118px}
.stat .k{font-size:12px;color:var(--ink-2)}
.stat .v{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);padding:3px 8px;border-radius:6px;display:inline-block;align-self:flex-start}

/* ---------- 环境与平台 ---------- */
.env-media{border-radius:var(--radius-img);overflow:hidden;background:var(--brand-soft);box-shadow:var(--shadow-1);aspect-ratio:4/3}
.env-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.env-list{display:flex;flex-direction:column;gap:12px}
.env-item{display:flex;align-items:flex-start;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:16px 20px;box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.env-item:hover{transform:translateX(2px);box-shadow:var(--shadow-2)}
.env-icon{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:700}
.env-item h3{font-size:16px}
.env-item p{font-size:14px;color:var(--ink-2);margin-top:4px}

/* ---------- 内容卡片（相关文章） ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);display:flex;flex-direction:column;height:100%}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3)}
.card:hover h3{color:var(--brand)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.7}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-2);margin-top:auto;flex-wrap:wrap}
.media{position:relative;overflow:hidden;background-color:var(--brand-soft);background-image:repeating-linear-gradient(135deg,rgba(23,96,168,.07) 0 6px,transparent 6px 14px)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .media img{transform:scale(1.03)}
.media-16x9{aspect-ratio:16/9}
.media-4x3{aspect-ratio:4/3}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-accordion{background:transparent;border:0;margin:0}
.faq-accordion .accordion-item{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-1);margin-bottom:12px;overflow:hidden}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-title{
  position:relative;display:block;min-height:56px;padding:16px 56px 16px 22px;
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;border:0;border-left:3px solid var(--brand);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.faq-accordion .accordion-title:hover{background:var(--brand-soft);color:var(--brand-dark)}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  margin:0;font-size:22px;font-weight:400;line-height:1;color:var(--brand);
  transition:transform .18s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title{background:var(--brand-soft);color:var(--brand-dark)}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-content{
  display:none;padding:18px 22px 22px;border-top:1px dashed var(--line);
  background:#fff;font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-accordion .accordion-item.is-active>.accordion-content{display:block}

/* ---------- CTA 收口 ---------- */
.cta-panel{
  background:linear-gradient(135deg,var(--brand-soft) 0%,#F2F8FD 60%,var(--accent-soft) 100%);
  border:1px solid #d8e7f5;border-radius:18px;padding:40px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
}
.cta-panel h2{font-size:28px;line-height:1.35}
.cta-panel p{margin-top:12px;color:var(--ink-2);font-size:15.5px;max-width:540px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);text-align:center}
.qr-box{width:132px;height:132px;margin:0 auto 14px;border-radius:10px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;overflow:hidden}
.qr-box img{width:100%;height:100%;object-fit:cover}
.qr-card .qr-t{font-size:14px;font-weight:600}
.qr-card .qr-s{font-size:12.5px;color:var(--ink-2);margin-top:4px}
.check-list{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.check-list span{font-family:var(--mono);font-size:12px;color:var(--ink-2);background:#F4F7FB;border-radius:6px;padding:3px 8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#C6D3E0;margin-top:0}
.footer-main{padding-top:64px;padding-bottom:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#9FB2C6;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C6D3E0;position:relative;display:inline-block}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col a:hover::after{transform:scaleX(1)}
.footer-bottom{border-top:1px solid rgba(198,211,224,.16);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA4BA}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom-links a{color:#8FA4BA}
.footer-bottom-links a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:36px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:48px 0}
  .hot-chips{display:none}
  .head-channel-inner{justify-content:flex-start}
  .channel-nav{overflow-x:auto;gap:22px;scrollbar-width:none;-ms-overflow-style:none}
  .channel-nav::-webkit-scrollbar{display:none}
  .hero-row{padding:40px 0 52px}
  .page-hero h1{font-size:32px}
  .hero-media{margin-top:12px}
  .timeline::before{left:22px;transform:none}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 28px 60px}
  .tl-item:nth-child(odd) .tl-num,.tl-item:nth-child(even) .tl-num{left:0;right:auto;top:20px}
  .tl-item:last-child{padding-bottom:0}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .section-tight{padding:40px 0}
  .head-search{display:none}
  .head-channel{display:none}
  .nav-burger{display:flex}
  .head-top-inner{height:56px}
  .brand-text{font-size:16px}
  .brand-mark svg{width:28px;height:28px}
  .page-hero h1{font-size:27px;letter-spacing:-.2px}
  .hero-lead{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-media{aspect-ratio:16/10;max-height:240px}
  .float-card{padding:10px 12px}
  .float-card-b{display:none}
  .section-head h2{font-size:22px}
  .cta-panel h2{font-size:22px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .quick-bar{padding:18px 18px}
  .quick-item{font-size:13px;padding:8px 14px}
  .stat-strip{padding:18px}
  .stat{min-width:96px}
  .faq-accordion .accordion-title{font-size:15px;padding:14px 48px 14px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .card-body{padding:18px 18px 20px}
}

/* roulang page: category3 */
:root{
      --brand:#1760A8;
      --brand-dark:#0F4784;
      --brand-soft:#E8F1FA;
      --accent:#F26B21;
      --accent-dark:#DD5B14;
      --accent-soft:#FEF0E7;
      --teal:#12A594;
      --teal-soft:#E3F6F3;
      --ink:#1B2733;
      --ink-2:#5A6B7B;
      --line:#E3EBF3;
      --bg:#F4F7FB;
      --surface:#FFFFFF;
      --footer-bg:#0E2136;
      --radius-card:14px;
      --radius-btn:10px;
      --radius-pill:999px;
      --radius-img:12px;
      --radius-badge:6px;
      --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
      --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
      --shadow-nav:0 8px 24px rgba(16,42,67,.08);
      --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
      --mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
    }

    *,*::before,*::after{box-sizing:border-box}
    html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      font-size:16px;
      line-height:1.75;
      color:var(--ink);
      background:var(--bg);
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
    }
    h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.2px;line-height:1.4}
    p{margin:0 0 1.2em}
    p:last-child{margin-bottom:0}
    ul,ol{margin:0;padding:0;list-style:none}
    a{color:inherit;text-decoration:none;background:transparent;transition:color .18s ease}
    img{max-width:100%;display:block;height:auto;background-color:var(--brand-soft);
      background-image:repeating-linear-gradient(135deg,rgba(23,96,168,.06) 0 6px,transparent 6px 14px);}
    button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
    input,select{font:inherit;color:inherit}
    figure{margin:0}
    a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

    .grid-container{max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
    .mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.2px}

    /* ---------- 按钮 ---------- */
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:46px;padding:0 24px;border-radius:var(--radius-btn);
      font-size:15px;font-weight:600;white-space:nowrap;line-height:1;
      transition:transform .18s cubic-bezier(.2,.7,.3,1),background-color .18s ease,
                 box-shadow .18s ease,border-color .18s ease,color .18s ease;
    }
    .btn i{font-size:14px}
    .btn-primary{background:var(--brand);color:#fff}
    .btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
    .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
    .btn-accent{background:var(--accent);color:#fff}
    .btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
    .btn-accent:active{transform:translateY(0);filter:brightness(.96)}
    .btn-outline{background:#fff;border:1px solid var(--brand);color:var(--brand)}
    .btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark);transform:translateY(-1px)}
    .btn-lg{height:52px;padding:0 32px;font-size:16px}
    .btn-sm{height:38px;padding:0 18px;font-size:14px}
    .btn-block{width:100%}
    .btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

    .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;line-height:1.4}
    .link-arrow i{font-size:12px;transition:transform .18s ease}
    .link-arrow:hover{color:var(--brand-dark);text-decoration:underline}
    .link-arrow:hover i{transform:translateX(4px)}

    /* ---------- 徽章 / chip ---------- */
    .badge{
      display:inline-flex;align-items:center;height:22px;padding:0 8px;
      border-radius:var(--radius-badge);font-size:12px;font-weight:600;line-height:1;
      background:var(--brand-soft);color:var(--brand);white-space:nowrap;
    }
    .badge-teal{background:var(--teal-soft);color:var(--teal)}
    .badge-accent{background:var(--accent-soft);color:#C4550E}
    .badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
    .chip{
      display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);
      background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:500;
      transition:background-color .18s ease,color .18s ease;
    }
    .chip:hover{background:var(--brand);color:#fff}

    /* ---------- 导航 ---------- */
    .site-header{
      position:sticky;top:0;z-index:80;background:#fff;
      border-bottom:1px solid var(--line);
      transition:background-color .25s ease,box-shadow .25s ease,backdrop-filter .25s ease;
    }
    .site-header.is-stuck{
      background:rgba(255,255,255,.94);
      -webkit-backdrop-filter:blur(10px) saturate(160%);
      backdrop-filter:blur(10px) saturate(160%);
      box-shadow:var(--shadow-nav);
    }
    .header-wrap{display:flex;flex-direction:column}
    .brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;transition:height .22s ease}
    .is-stuck .brand-row{height:56px}
    .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
    .brand-mark{display:inline-flex;width:34px;height:34px;transition:transform .22s ease}
    .brand-mark svg{display:block;width:100%;height:100%}
    .is-stuck .brand-mark{transform:scale(.88)}
    .brand-text{font-size:19px;font-weight:700;letter-spacing:-.3px;color:var(--ink);white-space:nowrap}
    .brand-tools{display:flex;align-items:center;gap:14px}
    .nav-search{position:relative;display:flex;align-items:center}
    .nav-search i{position:absolute;left:14px;font-size:14px;color:var(--ink-2);pointer-events:none}
    .nav-search input{
      width:220px;height:44px;padding:0 14px 0 38px;border:1px solid var(--line);
      border-radius:var(--radius-btn);background:#F8FAFD;font-size:14px;
      transition:border-color .18s ease,box-shadow .18s ease,width .2s ease,background-color .18s ease;
    }
    .nav-search input::placeholder{color:#93A3B4}
    .nav-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft)}
    .nav-toggle{
      display:none;width:44px;height:44px;border-radius:var(--radius-btn);
      border:1px solid var(--line);background:#F8FAFD;
      flex-direction:column;align-items:center;justify-content:center;gap:5px;
    }
    .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
    .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
    .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .channel-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;border-top:1px solid var(--line);transition:height .22s ease}
    .is-stuck .channel-row{height:40px}
    .channel-nav{display:flex;align-items:center;gap:26px;height:100%;overflow-x:auto;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-link{
      position:relative;display:inline-flex;align-items:center;height:100%;
      font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;
    }
    .channel-link::after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;
      background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;
    }
    .channel-link:hover{color:var(--brand)}
    .channel-link:hover::after{transform:scaleX(1)}
    .channel-link.is-active{color:var(--brand);font-weight:700}
    .channel-link.is-active::after{transform:scaleX(1)}
    .hot-chips{display:flex;align-items:center;gap:8px;flex-shrink:0}

    /* ---------- 移动抽屉 ---------- */
    .drawer-mask{
      position:fixed;inset:0;background:rgba(14,33,54,.45);z-index:90;opacity:0;pointer-events:none;
      transition:opacity .25s ease;
    }
    .drawer-mask.is-open{opacity:1;pointer-events:auto}
    .nav-drawer{
      position:fixed;top:0;right:0;bottom:0;width:316px;max-width:86vw;z-index:95;
      background:#fff;box-shadow:-12px 0 40px rgba(16,42,67,.18);
      transform:translateX(100%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
      padding:22px 22px 32px;overflow-y:auto;display:flex;flex-direction:column;gap:18px;
    }
    .nav-drawer.is-open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;justify-content:space-between}
    .drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
    .drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#F8FAFD;color:var(--ink-2);font-size:15px}
    .drawer-search{position:relative;display:flex;align-items:center}
    .drawer-search i{position:absolute;left:14px;font-size:14px;color:var(--ink-2)}
    .drawer-search input{width:100%;height:44px;padding:0 14px 0 38px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#F8FAFD;font-size:14px}
    .drawer-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft)}
    .drawer-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0}
    .drawer-nav a{
      display:flex;align-items:center;justify-content:space-between;min-height:46px;
      padding:0 12px;border-radius:10px;font-size:15px;color:var(--ink-2);
    }
    .drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700}
    .drawer-nav a i{font-size:12px;color:#A9B8C7}
    .drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
    .drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

    /* ---------- 面包屑 ---------- */
    .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:22px;flex-wrap:wrap}
    .breadcrumb a{color:var(--ink-2)}
    .breadcrumb a:hover{color:var(--brand)}
    .breadcrumb .sep{color:#B7C4D1}
    .breadcrumb [aria-current]{color:var(--brand);font-weight:600}

    /* ---------- 分类页头 ---------- */
    .page-hero{position:relative;padding:40px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);overflow:hidden}
    .page-hero::before{
      content:"";position:absolute;inset:0;pointer-events:none;
      background-image:repeating-linear-gradient(135deg,rgba(23,96,168,.045) 0 1px,transparent 1px 22px);
    }
    .page-hero .grid-container{position:relative;z-index:1}
    .hero-grid{margin-top:6px}
    .page-hero h1{
      font-size:clamp(26px,3.4vw,42px);line-height:1.28;letter-spacing:-.4px;
      margin:14px 0 16px;max-width:16em;
    }
    .hero-sub{font-size:17px;line-height:1.7;color:var(--ink-2);max-width:34em;margin-bottom:26px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
    .hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:var(--ink-2)}
    .hero-trust li{display:flex;align-items:center;gap:8px}
    .hero-trust svg{flex-shrink:0}

    .hero-figure{position:relative;margin-top:8px}
    .hero-figure img{
      width:100%;aspect-ratio:16/10;object-fit:cover;object-position:center;
      border-radius:18px;box-shadow:var(--shadow-2);border:1px solid rgba(255,255,255,.7);
    }
    .float-card{
      position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow-2);
      padding:12px 16px;font-size:13px;line-height:1.5;border:1px solid var(--line);
    }
    .float-card b{display:block;font-size:15px;color:var(--ink);font-family:var(--mono)}
    .float-card span{color:var(--ink-2)}
    .float-card-a{left:-14px;bottom:24px}
    .float-card-b{right:-10px;top:22px}

    /* ---------- 数据信息条 ---------- */
    .stat-strip{
      margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
      box-shadow:var(--shadow-1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
    }
    .stat-item{padding:20px 24px;border-right:1px dashed var(--line)}
    .stat-item:last-child{border-right:0}
    .stat-label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}
    .stat-value{font-size:20px;font-weight:700;color:var(--brand-dark);font-family:var(--mono)}

    /* ---------- 板块通用 ---------- */
    .section{padding:88px 0}
    .section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .section-head{max-width:760px;margin-bottom:42px}
    .section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35}
    .section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px}
    .section-head .badge{margin-bottom:12px}
    .section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}
    .section-head-row .section-head{margin-bottom:0}

    .card{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
      box-shadow:var(--shadow-1);overflow:hidden;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3)}

    /* ---------- 能力板块（1 大 + 3 小） ---------- */
    .feature-lead{display:flex;flex-direction:column;height:100%}
    .feature-lead-media{overflow:hidden}
    .feature-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center;transition:transform .35s ease}
    .feature-lead:hover .feature-lead-media img{transform:scale(1.03)}
    .feature-lead-body{padding:26px 28px 28px}
    .feature-lead-body h3{font-size:19px;margin:14px 0 10px}
    .feature-lead-body p{color:var(--ink-2);font-size:15px;margin-bottom:16px}

    .feature-mini{display:flex;align-items:flex-start;gap:16px;padding:22px 24px;margin-bottom:18px}
    .feature-mini:last-child{margin-bottom:0}
    .feature-icon{
      flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--brand-soft);
      color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:17px;
    }
    .feature-mini h3{font-size:17px;margin-bottom:6px}
    .feature-mini p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

    /* ---------- 徽章组 ---------- */
    .badge-group{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
    .badge-group .group-label{font-size:13px;color:var(--ink-2);margin-right:2px}

    /* ---------- 对比表 ---------- */
    .compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:6px 0;overflow:hidden}
    .cmp-table{width:100%;border-collapse:collapse;background:#fff}
    .cmp-table caption{
      text-align:left;padding:20px 26px 14px;font-size:13px;color:var(--ink-2);caption-side:top;
    }
    .cmp-table th,.cmp-table td{height:56px;padding:8px 26px;text-align:left;vertical-align:middle;border:0}
    .cmp-table thead th{
      background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:700;height:52px;
    }
    .cmp-table thead th:first-child{border-radius:10px 0 0 10px}
    .cmp-table thead th:last-child{border-radius:0 10px 10px 0}
    .cmp-table tbody tr + tr{border-top:1px solid var(--line)}
    .cmp-table tbody td{font-size:14.5px;color:var(--ink-2);line-height:1.6}
    .cmp-table tbody td:first-child{font-weight:700;color:var(--ink);font-size:15px}
    .cmp-table tbody tr:hover td{background:#FAFCFE}
    .cell-hi{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
    .cmp-table tbody tr:hover td.cell-hi{background:var(--brand-soft)}
    .cmp-tag{display:inline-flex;align-items:center;gap:6px}
    .cmp-tag i{font-size:12px;color:var(--teal)}

    /* ---------- 时间轴票券卡 ---------- */
    .fixture-list{display:flex;flex-direction:column;gap:16px}
    .fixture-card{
      display:grid;grid-template-columns:104px 1fr auto;align-items:center;gap:24px;
      background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
      border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:18px 26px 18px 22px;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .fixture-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-left-color:var(--accent)}
    .fixture-date{display:flex;flex-direction:column;align-items:flex-start}
    .fixture-date .day{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--brand)}
    .fixture-date .phase{font-size:13px;color:var(--ink-2)}
    .fixture-body h3{font-size:17px;margin:6px 0 6px}
    .fixture-body p{font-size:14px;color:var(--ink-2)}
    .fixture-action{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
    .fixture-score{font-size:18px;font-weight:700;color:var(--ink)}
    .fixture-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .fixture-head .league{font-size:12.5px;color:var(--ink-2)}

    /* ---------- 流程条 ---------- */
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
    .flow-step{position:relative;padding-top:6px}
    .flow-num{
      width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;
      display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);
      font-size:16px;font-weight:700;box-shadow:0 6px 16px rgba(23,96,168,.22);margin-bottom:16px;
    }
    .flow-step h3{font-size:17px;margin-bottom:8px}
    .flow-step p{font-size:14.5px;color:var(--ink-2)}
    .flow-line{
      position:absolute;top:28px;left:0;right:0;height:1px;background:var(--line);z-index:-1;
    }

    /* ---------- FAQ ---------- */
    .faq-accordion{max-width:880px;margin:0 auto;background:transparent}
    .faq-accordion .accordion-item{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
      box-shadow:var(--shadow-1);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
    }
    .faq-accordion .accordion-item:hover{border-color:rgba(23,96,168,.3)}
    .faq-accordion .accordion-title{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:56px;padding:14px 24px 14px 28px;font-size:16px;font-weight:600;
      color:var(--ink);background:#fff;border:0;position:relative;line-height:1.5;
    }
    .faq-accordion .accordion-title::before{content:none;display:none}
    .faq-accordion .accordion-title::after{content:none}
    .faq-accordion .accordion-title:hover{color:var(--brand)}
    .faq-accordion .accordion-title .faq-mark{
      position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
      background:var(--brand);opacity:0;transition:opacity .2s ease;
    }
    .faq-accordion .accordion-item.is-active .faq-accordion .faq-mark,
    .faq-accordion .accordion-item.is-active .faq-mark{opacity:1}
    .faq-accordion .faq-sign{
      flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--brand-soft);
      color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
      font-size:14px;transition:transform .18s ease,background-color .18s ease,color .18s ease;
    }
    .faq-accordion .accordion-item.is-active .faq-sign{background:var(--brand);color:#fff;transform:rotate(180deg)}
    .faq-accordion .accordion-content{
      padding:0 28px 22px;border:0;background:#fff;font-size:15px;line-height:1.85;color:var(--ink-2);
    }
    .faq-accordion .accordion-content p{margin:0}

    /* ---------- CTA ---------- */
    .cta-card{
      background:linear-gradient(135deg,var(--brand-soft) 0%,#F6FAFE 62%,#fff 100%);
      border:1px solid var(--line);border-radius:18px;padding:44px 46px;
      display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;
      box-shadow:var(--shadow-1);
    }
    .cta-left h2{font-size:clamp(21px,2.3vw,28px);margin:14px 0 12px}
    .cta-left p{color:var(--ink-2);font-size:15.5px;max-width:32em;margin-bottom:24px}
    .cta-buttons{display:flex;flex-wrap:wrap;gap:12px}
    .cta-right{display:flex;flex-direction:column;gap:16px}
    .qr-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
      padding:18px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow-1);
    }
    .qr-card img{width:72px;height:72px;object-fit:cover;border-radius:10px;flex-shrink:0}
    .qr-card p{font-size:13.5px;color:var(--ink-2);line-height:1.6;margin:0}
    .qr-card strong{display:block;color:var(--ink);font-size:14.5px;margin-bottom:4px}
    .cta-meta{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--ink-2)}
    .cta-meta li{display:flex;align-items:center;justify-content:space-between;gap:16px}
    .cta-meta b{font-family:var(--mono);font-weight:600;color:var(--ink);background:var(--brand-soft);padding:1px 8px;border-radius:6px}

    /* ---------- 相关阅读 ---------- */
    .related-card{display:flex;flex-direction:column;height:100%}
    .related-media{overflow:hidden}
    .related-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
    .related-card:hover .related-media img{transform:scale(1.04)}
    .related-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
    .related-body h3{font-size:17px;line-height:1.5}
    .related-body p{font-size:14px;color:var(--ink-2);flex:1}
    .related-meta{font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:10px}

    /* ---------- 页脚 ---------- */
    .site-footer{background:var(--footer-bg);color:#C6D3E0;padding:64px 0 28px;margin-top:0}
    .footer-main{padding-bottom:40px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
    .footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
    .footer-brand .brand-mark{width:30px;height:30px}
    .footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
    .footer-desc{font-size:14px;line-height:1.8;color:#9FB3C6;max-width:30em}
    .footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
    .footer-col ul{display:flex;flex-direction:column;gap:10px}
    .footer-col a{font-size:14px;color:#C6D3E0;position:relative;display:inline-block}
    .footer-col a:hover{color:var(--accent);text-decoration:underline}
    .footer-bottom{
      border-top:1px solid rgba(198,211,224,.16);padding-top:22px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      font-size:13px;color:#8FA5BA;
    }
    .footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap}
    .footer-bottom-links a{color:#8FA5BA}
    .footer-bottom-links a:hover{color:var(--accent)}

    /* ---------- 响应式 ---------- */
    @media (max-width:1023px){
      .section{padding:72px 0}
      .nav-search input{width:170px}
      .hot-chips{display:none}
      .cta-card{grid-template-columns:1fr;padding:36px 32px;gap:32px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
      .flow{grid-template-columns:repeat(2,1fr);gap:28px}
      .flow-line{display:none}
      .fixture-card{grid-template-columns:88px 1fr;row-gap:12px}
      .fixture-action{grid-column:2;flex-direction:row;align-items:center;justify-content:space-between;width:100%}
    }
    @media (max-width:767px){
      .grid-container{padding-left:18px;padding-right:18px}
      .brand-text{font-size:17px}
      .nav-search{display:none}
      .nav-toggle{display:flex}
      .channel-nav{display:none}
      .channel-row{height:42px;justify-content:flex-start}
      .channel-row::after{
        content:"赛事数据与直播";font-size:13.5px;color:var(--brand);font-weight:700;
      }
      .is-stuck .channel-row{height:38px}
      .float-card-a,.float-card-b{display:none}
      .hero-figure img{aspect-ratio:16/9;max-height:220px}
      .stat-strip{grid-template-columns:repeat(2,1fr)}
      .stat-item{border-right:0;border-bottom:1px dashed var(--line)}
      .stat-item:nth-child(odd){border-right:1px dashed var(--line)}
      .stat-item:nth-last-child(-n+2){border-bottom:0}
      .feature-mini{padding:18px 20px;gap:14px}
      .cta-card{padding:28px 22px;border-radius:16px}
      .cta-buttons .btn{width:100%}
      .fixture-card{padding:16px 18px;grid-template-columns:74px 1fr}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .flow{grid-template-columns:1fr}
      .breadcrumb{font-size:12.5px}
    }
    @media (max-width:639px){
      .section{padding:56px 0}
      .page-hero{padding:28px 0 40px}
      .hero-actions .btn{width:100%}
      .hero-trust{gap:8px 18px;font-size:13px}

      .compare-wrap{padding:4px 0}
      .cmp-table caption{padding:16px 18px 10px}
      .cmp-table thead{display:none}
      .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%}
      .cmp-table tr{padding:14px 18px}
      .cmp-table tbody tr + tr{border-top:1px solid var(--line)}
      .cmp-table td{
        height:auto;padding:6px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;
        font-size:14px;
      }
      .cmp-table td::before{
        content:attr(data-label);font-size:13px;color:var(--ink-2);font-weight:500;flex-shrink:0;
      }
      .cmp-table tbody td:first-child{
        font-size:16px;font-weight:700;color:var(--ink);
        padding:0 0 10px;margin-bottom:6px;border-bottom:1px dashed var(--line);display:block;
      }
      .cmp-table tbody td:first-child::before{display:none}
      .cell-hi{background:transparent;color:var(--brand-dark);font-weight:700}
      .cmp-table tbody tr:hover td.cell-hi{background:transparent}
    }
    @media (min-width:1440px){
      .grid-container{padding-left:32px;padding-right:32px}
    }

/* roulang page: category4 */
:root{
  --brand:#1760A8;
  --brand-dark:#0F4784;
  --brand-soft:#E8F1FA;
  --accent:#F26B21;
  --accent-dark:#D9560F;
  --accent-soft:#FEF0E7;
  --teal:#12A594;
  --ink:#1B2733;
  --ink-2:#5A6B7B;
  --line:#E3EBF3;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --footer-bg:#0E2136;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
  --shadow-nav:0 8px 24px rgba(16,42,67,.08);
  --tr:180ms cubic-bezier(.2,.7,.3,1);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:40px;--sp-8:56px;--sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;font-weight:400;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr)}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);font-style:normal}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}

.grid-container{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.grid-container.full{max-width:100%}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:all var(--tr);
  white-space:nowrap;
}
.btn:active{transform:translateY(0);filter:brightness(.96)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(16,42,67,.08)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(16,42,67,.08)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--brand);font-weight:600;font-size:15px;
  background:none;border:0;padding:0;
}
.btn-text::after{content:"→";font-size:15px;transition:transform var(--tr);display:inline-block}
.btn-text:hover{color:var(--brand-dark);text-decoration:underline}
.btn-text:hover::after{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;
  height:22px;padding:0 8px;
  border-radius:var(--radius-badge);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.2px;
}
.badge.badge-teal{background:rgba(18,165,148,.12);color:#0E8577}
.badge.badge-accent{background:var(--accent-soft);color:var(--accent-dark)}
.badge.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:background var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px) saturate(160%);
  backdrop-filter:blur(10px) saturate(160%);
  box-shadow:var(--shadow-nav);
  border-bottom-color:var(--line);
}
.brand-row-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;transition:height var(--tr)}
.site-header.is-stuck .brand-row-inner{height:48px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{display:inline-flex;transition:transform var(--tr)}
.site-header.is-stuck .brand-mark{transform:scale(.88)}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--brand-dark);white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:12px}
.header-search{position:relative;display:flex;align-items:center}
.header-search svg{position:absolute;left:12px;pointer-events:none;opacity:.6}
.header-search input[type="search"]{
  height:40px;width:208px;
  padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink);
  font-size:14px;
  transition:border-color var(--tr),box-shadow var(--tr),width var(--tr);
}
.header-search input[type="search"]::placeholder{color:#93A3B3;font-size:13px}
.header-search input[type="search"]:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(23,96,168,.14);
}
.header-login{display:none}
.header-download{border-radius:var(--radius-pill);padding:0 20px}
.menu-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border-radius:var(--radius-btn);border:1px solid var(--line);background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.menu-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}

.channel-row{border-top:1px solid var(--line);background:#fff}
.site-header.is-stuck .channel-row{border-top-color:var(--line)}
.channel-row-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px}
.channel-nav{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;height:44px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--accent);border-radius:3px 3px 0 0;
  transform:scaleX(0);transform-origin:left;opacity:0;
  transition:transform 200ms ease,opacity 200ms ease;
}
.channel-link:hover{color:var(--brand)}
.channel-link:hover::after{transform:scaleX(1);opacity:.5}
.channel-link.is-active{color:var(--brand);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1);opacity:1}
.hot-words{display:flex;align-items:center;gap:8px;flex-shrink:0}
.hot-label{font-size:12px;color:#93A3B3;letter-spacing:.4px}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;
}
.chip:hover{background:var(--brand);color:#fff}

/* ===== 移动抽屉 ===== */
.reveal-overlay{background:rgba(14,33,54,.52);opacity:1;z-index:120}
.reveal.mobile-drawer{
  position:fixed;top:0;bottom:0;right:0;left:auto;
  transform:none;margin:0;
  width:min(86vw,340px);height:100%;max-height:100%;
  padding:26px 22px;
  background:#fff;border-radius:0;border:0;
  overflow-y:auto;z-index:130;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-size:16px;font-weight:700;color:var(--brand-dark)}
.drawer-close{
  width:36px;height:36px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-search{display:flex;margin-bottom:20px}
.drawer-search input{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink);
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.14)}
.drawer-label{display:block;font-size:12px;font-weight:600;color:#93A3B3;letter-spacing:.6px;margin:18px 0 10px}
.drawer-nav li{margin-bottom:2px}
.drawer-nav a{
  display:flex;align-items:center;min-height:46px;padding:0 12px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:500;color:var(--ink);
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:26px}

/* ===== 分类页头 ===== */
.cat-hero{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF 0%,#EEF4FA 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(115deg,rgba(23,96,168,.05) 0 1px,transparent 1px 68px),
    repeating-linear-gradient(65deg,rgba(23,96,168,.04) 0 1px,transparent 1px 92px);
  pointer-events:none;
}
.cat-hero-inner{position:relative;padding:32px 0 56px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:24px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B4C3D1}
.breadcrumb [aria-current]{color:var(--brand);font-weight:600}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:18px;
}
.hero-copy .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero-copy h1{
  font-size:40px;line-height:1.28;letter-spacing:-.4px;font-weight:700;
  color:var(--ink);margin-bottom:18px;
}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px}
.fact-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:8px 16px;font-size:13px;color:var(--ink-2);
}
.fact-pill strong{font-family:var(--font-mono);color:var(--brand-dark);font-size:13px;font-weight:700}
.hero-visual{position:relative}
.hero-visual .hero-img{
  width:100%;aspect-ratio:16/11;object-fit:cover;object-position:center 35%;
  border-radius:18px;box-shadow:var(--shadow-2);
  background:var(--brand-soft);
}
.hero-float{
  position:absolute;left:-18px;bottom:24px;
  background:#fff;border-radius:12px;box-shadow:var(--shadow-2);
  padding:14px 18px;border:1px solid var(--line);
}
.hero-float .k{display:block;font-size:12px;color:var(--ink-2);margin-bottom:4px}
.hero-float .v{font-family:var(--font-mono);font-size:16px;font-weight:700;color:var(--brand-dark)}
.hero-float-2{
  position:absolute;right:-10px;top:20px;
  background:#fff;border-radius:12px;box-shadow:var(--shadow-2);
  padding:12px 16px;border:1px solid var(--line);
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--teal);font-weight:600;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);display:block;box-shadow:0 0 0 4px rgba(18,165,148,.16)}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section.alt{background:#fff}
.section-head{margin-bottom:40px;max-width:820px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand);margin-bottom:12px;
}
.section-head h2{font-size:29px;line-height:1.35;letter-spacing:-.3px;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.8;margin:0}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head-row .section-head{margin-bottom:0}

/* ===== 卡片网格（分类页 4 主版式） ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.feature-card{
  grid-column:span 2;
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3)}
.feature-media{position:relative;overflow:hidden;min-height:280px}
.feature-media img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform 420ms ease}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,96,168,.06) 0%,rgba(15,71,132,.18) 100%);
}
.feature-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.feature-body h3{font-size:21px;line-height:1.45;font-weight:700}
.feature-body p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;font-size:13px;color:var(--ink-2)}
.meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-item .k{color:#93A3B3}

.upd-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.upd-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3)}
.upd-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--brand-soft)}
.upd-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
.upd-card:hover .upd-thumb img{transform:scale(1.03)}
.upd-thumb .thumb-tag{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12px;font-weight:700;border-radius:var(--radius-badge);
  padding:4px 9px;
}
.upd-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.upd-body h3{font-size:17px;line-height:1.5;font-weight:600}
.upd-body h3 a{color:var(--ink)}
.upd-body h3 a:hover{color:var(--brand)}
.upd-body p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0}
.upd-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.upd-foot .ver{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--brand-dark);background:var(--brand-soft);border-radius:var(--radius-badge);padding:3px 8px}

/* ===== 升级步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative}
.step{
  position:relative;padding:0 20px 0 0;
}
.step::before{
  content:"";position:absolute;left:34px;right:0;top:21px;height:1px;background:var(--line);
}
.step:last-child::before{display:none}
.step-num{
  position:relative;z-index:2;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--brand);color:var(--brand);
  font-family:var(--font-mono);font-weight:700;font-size:16px;
  margin-bottom:20px;
}
.step:hover .step-num{background:var(--brand);color:#fff;transition:all var(--tr)}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0 0 10px}
.step .btn-text{font-size:14px}

/* ===== 兼容范围 ===== */
.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.platform-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;
  box-shadow:var(--shadow-1);
}
.platform-card header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:20px}
.platform-card h3{font-size:18px;font-weight:700}
.req-group + .req-group{margin-top:22px}
.req-title{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.req-title span.txt{font-size:14px;font-weight:600;color:var(--ink)}
.req-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2);
}
.req-list li:last-child{border-bottom:0}
.req-list .val{font-family:var(--font-mono);font-weight:700;font-size:13px;color:var(--brand-dark);background:var(--brand-soft);border-radius:6px;padding:3px 9px;white-space:nowrap}
.note-bar{
  margin-top:28px;display:flex;gap:14px;align-items:flex-start;
  background:var(--accent-soft);border-radius:var(--radius-card);
  padding:18px 22px;border:1px solid rgba(242,107,33,.18);
}
.note-bar .ico{flex-shrink:0;margin-top:2px}
.note-bar p{font-size:14px;color:#8A4515;line-height:1.75;margin:0}

/* ===== 相关主题内链 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;
  box-shadow:var(--shadow-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.3)}
.rel-thumb{width:96px;height:72px;border-radius:10px;overflow:hidden;background:var(--brand-soft)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-card h3{font-size:15px;line-height:1.5;font-weight:600;margin-bottom:6px}
.rel-card h3 a{color:var(--ink)}
.rel-card h3 a:hover{color:var(--brand)}
.rel-card time{font-size:12px;color:#93A3B3;font-family:var(--font-mono)}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-accordion{border:0;background:transparent;margin:0}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-accordion .accordion-item.is-active{border-color:rgba(23,96,168,.35);box-shadow:var(--shadow-2)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px 16px 22px;
  font-size:16px;font-weight:600;color:var(--ink);
  border:0;border-left:3px solid var(--brand);
  background:transparent;
  line-height:1.6;
  transition:background-color var(--tr),color var(--tr);
}
.faq-accordion .accordion-title:hover{background:var(--brand-soft);color:var(--brand-dark)}
.faq-accordion .accordion-title::before{display:none}
.faq-accordion .accordion-title::after{
  content:"+";flex-shrink:0;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:17px;font-weight:700;line-height:1;
  transition:transform 180ms ease,background-color var(--tr),color var(--tr);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  content:"−";transform:rotate(180deg);background:var(--brand);color:#fff;
}
.faq-accordion .accordion-content{
  padding:0 24px 22px 25px;border:0;background:transparent;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-accordion .accordion-content p{margin-bottom:10px}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* ===== CTA 收口 ===== */
.cta-section{padding:0 0 88px}
.cta-card{
  background:linear-gradient(135deg,#E8F1FA 0%,#F6FAFE 100%);
  border:1px solid rgba(23,96,168,.16);
  border-radius:18px;
  padding:44px 48px;
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:40px;align-items:center;
}
.cta-card h2{font-size:27px;line-height:1.4;margin-bottom:14px}
.cta-card p{font-size:16px;color:var(--ink-2);line-height:1.8;margin:0 0 24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;
}
.cta-side .k{font-size:12px;color:#93A3B3;letter-spacing:.6px;display:block;margin-bottom:6px}
.cta-side .v{font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--brand-dark);display:block;margin-bottom:16px}
.cta-side ul li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;font-size:13px;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.cta-side ul li:last-child{border-bottom:0;padding-bottom:0}

/* ===== 页脚 ===== */
.site-footer{background:var(--footer-bg);color:#C6D3E0;margin-top:0}
.footer-main{padding:72px 0 48px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px;font-weight:700;color:#fff;letter-spacing:-.2px}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB3C6;max-width:340px;margin:0}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:#C6D3E0;position:relative;display:inline-block}
.footer-col ul a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--accent);
  transition:right 200ms ease;
}
.footer-col ul a:hover{color:var(--accent)}
.footer-col ul a:hover::after{right:0}
.footer-bottom{
  border-top:1px solid rgba(198,211,224,.16);
  padding:22px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#8FA5B9;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom-links a{color:#8FA5B9}
.footer-bottom-links a:hover{color:var(--accent)}

/* ===== 图片占位 ===== */
.img-fallback{background-color:var(--brand-soft);background-image:repeating-linear-gradient(45deg,rgba(23,96,168,.05) 0 8px,transparent 8px 16px)}

/* ===== 响应式 ===== */
@media screen and (max-width:1279px){
  .hero-copy h1{font-size:36px}
}
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .cat-hero-inner{padding:26px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:32px}
  .hero-visual .hero-img{aspect-ratio:16/9}
  .hero-float{left:12px;bottom:12px}
  .hero-float-2{right:12px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-card{grid-column:span 2;grid-template-columns:1fr}
  .feature-media{min-height:220px;aspect-ratio:16/9}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .step::before{display:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{grid-template-columns:1fr;padding:36px 32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-row-inner{height:56px;gap:10px}
  .brand-name{font-size:15px}
  .header-search,.header-login,.header-download{display:none}
  .menu-toggle{display:flex}
  .channel-row{display:none}
  .section{padding:56px 0}
  .section-head h2{font-size:22px}
  .section-head p{font-size:15px}
  .cat-hero-inner{padding:20px 0 36px}
  .hero-copy h1{font-size:27px;line-height:1.34}
  .hero-lead{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-float,.hero-float-2{position:static;margin-top:14px;box-shadow:var(--shadow-1)}
  .hero-facts{gap:10px}
  .fact-pill{font-size:12px;padding:7px 13px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .feature-card{grid-column:span 1}
  .feature-body{padding:22px 20px}
  .steps{grid-template-columns:1fr;gap:26px}
  .platform-grid{grid-template-columns:1fr}
  .platform-card{padding:22px}
  .req-list li{flex-direction:row}
  .rel-grid{grid-template-columns:1fr}
  .faq-accordion .accordion-title{font-size:15px;padding:14px 16px 14px 15px}
  .faq-accordion .accordion-content{padding:0 18px 18px 18px}
  .cta-section{padding:0 0 56px}
  .cta-card{padding:26px 20px;gap:26px}
  .cta-card h2{font-size:21px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-main{padding:48px 0 32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}

/* roulang page: category5 */
:root{
  --brand:#1760A8;
  --brand-dark:#0F4784;
  --brand-soft:#E8F1FA;
  --accent:#F26B21;
  --accent-dark:#D9571A;
  --accent-soft:#FEF0E7;
  --teal:#12A594;
  --ink:#1B2733;
  --ink-2:#5A6B7B;
  --line:#E3EBF3;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --footer-bg:#0E2136;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,67,.04),0 8px 24px rgba(16,42,67,.06);
  --shadow-2:0 6px 14px rgba(16,42,67,.08),0 18px 40px rgba(16,42,67,.12);
  --shadow-nav:0 8px 24px rgba(16,42,67,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Hiragino Sans GB",sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block;background-color:var(--brand-soft);background-image:repeating-linear-gradient(135deg,rgba(23,96,168,.07) 0 6px,transparent 6px 12px)}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.35;font-style:normal;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{max-width:1280px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{margin-left:0;margin-right:0}
.cell{min-width:0}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent:active{transform:translateY(0);filter:brightness(.96)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-dark);color:var(--brand-dark)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-block{width:100%}
.btn.is-disabled,.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:15px}
.link-arrow svg{transition:transform .18s var(--ease)}
.link-arrow:hover{text-decoration:underline}
.link-arrow:hover svg{transform:translateX(4px)}
/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--radius-badge);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.2px}
.badge-teal{background:rgba(18,165,148,.12);color:var(--teal)}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.99);border-bottom:1px solid var(--line);transition:background .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.is-scrolled{background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(10px) saturate(160%);backdrop-filter:blur(10px) saturate(160%);box-shadow:var(--shadow-nav);border-bottom-color:transparent}
.header-stack{display:flex;flex-direction:column}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--brand)}
.brand-mark{display:inline-flex;width:32px;height:32px;transition:width .22s var(--ease),height .22s var(--ease)}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.3px;white-space:nowrap;transition:font-size .22s var(--ease)}
.header-tools{display:flex;align-items:center;gap:10px}
.nav-search{display:flex;align-items:center;height:40px;padding:0 6px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.nav-search.is-open{border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,96,168,.12)}
.search-toggle{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:var(--ink-2)}
.search-toggle:hover{color:var(--brand);background:var(--brand-soft)}
.search-field{width:0;overflow:hidden;transition:width .22s var(--ease)}
.nav-search.is-open .search-field{width:178px}
.search-field input{width:178px;height:34px;padding:0 8px;border:none;background:transparent;color:var(--ink);font-size:14px}
.search-field input::placeholder{color:#93A3B4}
.search-field input:focus{outline:none}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);color:var(--ink)}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.channel-nav{display:flex;align-items:center;gap:26px;height:44px;border-top:1px solid var(--line)}
.channel-link{position:relative;display:inline-flex;align-items:center;height:100%;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .2s var(--ease)}
.channel-link:hover{color:var(--brand)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--brand);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1)}
.trend-chips{margin-left:auto;display:flex;align-items:center;gap:8px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:500;transition:background-color .18s var(--ease),color .18s var(--ease)}
.chip:hover{background:var(--brand);color:#fff}
/* ---------- 移动抽屉 ---------- */
.reveal-overlay{background:rgba(14,33,54,.55);border:none}
#mobileMenu{position:fixed;top:0;right:0;left:auto;bottom:0;margin:0;padding:0;width:min(90vw,380px);max-width:380px;height:100%;overflow-y:auto;background:#fff;border:none;border-radius:0;box-shadow:none;transform:none;animation:drawerIn .26s var(--ease)}
@keyframes drawerIn{from{transform:translateX(28px);opacity:.4}to{transform:none;opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head .brand-text{font-size:16px}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:var(--ink-2);font-size:24px;line-height:1}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-body{padding:20px}
.drawer-search{display:flex;align-items:center;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;margin-bottom:20px}
.drawer-search input{width:100%;border:none;background:transparent;font-size:15px}
.drawer-search input:focus{outline:none}
.drawer-title{font-size:13px;font-weight:600;color:var(--ink-2);margin:0 0 10px}
.drawer-links{margin-bottom:22px}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:46px;padding:0 4px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-links a:hover{color:var(--brand)}
.drawer-links a.is-active{color:var(--brand);font-weight:700}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.drawer-actions{display:flex;flex-direction:column;gap:10px}
/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding-top:20px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B7C4D1}
.breadcrumb [aria-current="page"]{color:var(--brand);font-weight:600}
/* ---------- 页头 ---------- */
.page-hero{position:relative;padding:40px 0 64px;background:linear-gradient(180deg,#F7FAFE 0%,#EDF4FB 100%);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(23,96,168,.05) 0 2px,transparent 2px 28px);pointer-events:none}
.page-hero .grid-container{position:relative;z-index:1}
.page-hero-text{max-width:640px}
.eyebrow{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600}
.page-hero h1{font-size:40px;line-height:1.28;letter-spacing:-.4px;margin:18px 0 16px}
.hero-sub{font-size:17px;line-height:1.7;color:var(--ink-2);max-width:560px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:26px}
.hero-stat{display:flex;flex-direction:column;gap:2px}
.hero-stat .num{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--brand-dark)}
.hero-stat .lbl{font-size:13px;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-figure-wrap{position:relative;margin-top:32px}
.hero-figure{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center;border-radius:var(--radius-card);box-shadow:var(--shadow-1);border:1px solid var(--line)}
.hero-float{position:absolute;left:-14px;bottom:18px;display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff;border-radius:12px;box-shadow:var(--shadow-2);border:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.hero-float strong{display:block;font-size:15px;color:var(--ink)}
/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.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:28px;line-height:1.35}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:680px}
/* ---------- FAQ 主体 ---------- */
.faq-intro{max-width:760px;margin:0 auto;text-align:center;padding-bottom:8px}
.faq-intro h2{font-size:30px;margin-bottom:14px}
.faq-intro p{font-size:15px;color:var(--ink-2)}
.faq-layout{margin-top:48px}
.faq-group{scroll-margin-top:130px;margin-bottom:48px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px}
.group-index{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);font-family:var(--mono);font-size:16px;font-weight:700}
.group-head h2{font-size:24px;line-height:1.4}
.group-head .group-note{margin-top:6px;font-size:14px;color:var(--ink-2)}
/* Foundation Accordion 重写 */
.faq-accordion{background:transparent;border:none}
.faq-accordion .accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-accordion .accordion-item:hover{border-color:rgba(23,96,168,.35);box-shadow:var(--shadow-2)}
.faq-accordion .accordion-item.is-active{border-color:rgba(23,96,168,.45)}
.faq-accordion .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:15px 20px 15px 26px;font-size:16px;font-weight:600;color:var(--ink);background-color:transparent;background-image:linear-gradient(var(--brand),var(--brand));background-repeat:no-repeat;background-position:12px center;background-size:3px 54%;border:none}
.faq-accordion .accordion-title:hover{background-color:#F8FBFE;color:var(--brand)}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--brand)}
.faq-accordion .accordion-title::before{content:"+";position:static;order:2;flex:0 0 26px;width:26px;height:26px;margin:0;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:17px;font-weight:700;line-height:1;transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease)}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";transform:rotate(180deg);background:var(--accent-soft);color:var(--accent)}
.faq-accordion .accordion-content{padding:0 22px 20px 26px;border:none;background:transparent;color:var(--ink-2);font-size:15px;line-height:1.85}
.faq-accordion .accordion-content p{margin:0 0 10px;color:var(--ink-2)}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}
.faq-accordion .accordion-content strong{color:var(--ink);font-weight:600}
.faq-accordion .accordion-content code{font-family:var(--mono);font-size:13px;background:#F1F5FA;color:var(--brand-dark);padding:2px 6px;border-radius:6px}
/* 侧栏 */
.faq-aside{padding-top:8px}
.aside-sticky{position:sticky;top:96px}
.anchor-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.anchor-card h3{font-size:16px;margin-bottom:14px}
.anchor-list li+li{margin-top:2px}
.anchor-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);transition:background-color .18s var(--ease),color .18s var(--ease)}
.anchor-list a span{font-family:var(--mono);font-size:12px;color:var(--brand);background:var(--brand-soft);border-radius:6px;padding:1px 6px}
.anchor-list a:hover{background:var(--brand-soft);color:var(--brand)}
.help-card{margin-top:20px;background:linear-gradient(180deg,#FFFFFF 0%,#F5F9FD 100%);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.help-card h3{font-size:16px;margin-bottom:10px}
.help-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.help-card ul{margin-bottom:18px}
.help-card li{display:flex;gap:8px;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.help-card li svg{flex:0 0 16px;margin-top:5px;color:var(--teal)}
/* ---------- 相关阅读 ---------- */
.related-grid{margin-top:8px}
.related-card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(23,96,168,.32)}
.related-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--brand-soft)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-2)}
.related-body h3{font-size:17px;line-height:1.5}
.related-card:hover h3{color:var(--brand)}
.related-body p{font-size:14px;color:var(--ink-2);flex:1}
.related-body .more{font-size:14px;font-weight:600;color:var(--brand)}
/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px}
.cta-card{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#EAF2FA 0%,#F7FAFE 100%);border:1px solid rgba(23,96,168,.18);border-radius:18px;padding:44px 40px}
.cta-left{flex:1 1 420px;max-width:560px}
.cta-left h2{font-size:26px;margin-bottom:12px}
.cta-left p{font-size:15px;color:var(--ink-2);margin-bottom:24px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px}
.cta-right{flex:0 1 300px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.cta-right dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:13px}
.cta-right dt{color:var(--ink-2)}
.cta-right dd{margin:0;font-family:var(--mono);color:var(--ink);font-weight:600;text-align:right}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#C6D3E0;margin-top:0}
.footer-main{padding-top:64px;padding-bottom:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:16px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB2C6;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#C6D3E0;font-size:14px;border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 32px;border-top:1px solid rgba(198,211,224,.16);font-size:13px;color:#8EA3B8}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{color:#8EA3B8}
.footer-bottom-links a:hover{color:var(--accent)}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:36px}
}
@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:72px 0}
  .page-hero{padding:32px 0 52px}
  .page-hero h1{font-size:32px}
  .hero-figure-wrap{margin-top:28px}
  .hero-figure{aspect-ratio:16/9}
  .faq-aside{margin-top:40px;padding-top:0}
  .aside-sticky{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:32px 26px}
  .channel-nav{gap:20px;overflow-x:auto;scrollbar-width:none}
  .channel-nav::-webkit-scrollbar{display:none}
  .trend-chips{display:none}
}
@media (min-width:1024px){
  .faq-column{padding-right:36px}
  .site-header.is-scrolled .header-stack{flex-direction:row;align-items:center;gap:24px}
  .site-header.is-scrolled .header-top{flex:0 0 auto}
  .site-header.is-scrolled .brand-text{font-size:16px}
  .site-header.is-scrolled .brand-mark{width:28px;height:28px}
  .site-header.is-scrolled .brand-mark svg{width:28px;height:28px}
  .site-header.is-scrolled .channel-nav{flex:1 1 auto;border-top:none;overflow-x:auto;scrollbar-width:none}
  .site-header.is-scrolled .channel-nav::-webkit-scrollbar{display:none}
  .site-header.is-scrolled .trend-chips{display:none}
  .site-header.is-scrolled .btn-ghost{display:none}
}
@media (max-width:767px){
  .page-hero h1{font-size:28px;line-height:1.32}
  .hero-sub{font-size:15px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head h2{font-size:23px}
  .faq-intro h2{font-size:24px}
  .group-head h2{font-size:20px}
  .hero-stats{gap:18px}
  .cta-band{padding-bottom:56px}
  .cta-card{padding:26px 20px;border-radius:14px}
  .cta-left h2{font-size:22px}
  .cta-buttons .btn{width:100%}
  .cta-right{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .channel-nav{display:none}
  .header-tools .nav-search,
  .header-tools .btn{display:none}
  .menu-toggle{display:inline-flex}
  .header-top{height:56px}
  .brand-text{font-size:15px}
  .hero-figure-wrap{margin-top:24px}
  .hero-figure{aspect-ratio:4/3}
  .hero-float{left:8px;bottom:10px;padding:10px 12px}
  .faq-accordion .accordion-title{font-size:15px;padding:14px 16px 14px 22px;background-position:10px center}
  .faq-accordion .accordion-content{padding:0 18px 18px 22px;font-size:14.5px}
  .btn-lg{height:50px;padding:0 22px;font-size:15px}
}