/* roulang page: index */
:root{
  --ink-bg:#0E0A1F;
  --ink-bg2:#171034;
  --ink-card:#221A46;
  --light-bg:#F7F5FF;
  --light-card:#FFFFFF;
  --light-line:#ECE7FB;
  --brand:#6C4CF1;
  --brand-deep:#5236D6;
  --magenta:#B14BF0;
  --orange:#FF7A59;
  --gold:#FFC24B;
  --mint:#2FD4B4;
  --ink-text:#F3F0FF;
  --ink-muted:#B9B1DA;
  --text:#1B1533;
  --muted:#5C5478;
  --line-ink:rgba(255,255,255,.10);
  --line-light:#E4DDF8;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 52%,#FF7A59 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-light:0 12px 32px rgba(28,16,72,.08);
  --shadow-light-lg:0 20px 44px rgba(28,16,72,.14);
  --shadow-ink:0 18px 48px rgba(0,0,0,.45);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:30px;
  color:var(--text);
  background:var(--light-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:48px;line-height:56px;font-weight:800;letter-spacing:-.4px}
h2{font-size:32px;line-height:42px;font-weight:800}
h3{font-size:22px;line-height:32px;font-weight:700}
h4{font-size:18px;line-height:28px;font-weight:700}
p{line-height:30px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--light{background:var(--light-bg)}
.section--white{background:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:20px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;padding:0 20px;
  transition:top var(--ease);
}
.nav-shell{
  position:relative;
  width:min(1160px,100%);
  display:flex;align-items:center;gap:20px;
  height:72px;padding:0 12px 0 22px;
  border-radius:999px;
  background:rgba(14,10,31,.72);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:height var(--ease),background var(--ease);
}
.site-header.is-stuck .nav-shell{height:60px;background:rgba(14,10,31,.92)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-text)}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad-star);
  box-shadow:0 6px 18px rgba(108,76,241,.45);
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;line-height:22px;color:#D6CFF2;
  transition:background var(--ease),color var(--ease);
}
.nav-link:hover{background:rgba(108,76,241,.12);color:#FFFFFF}
.nav-link.is-active{color:#FFFFFF}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-star);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.16);
  color:var(--ink-text);margin-left:auto;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad-star);color:#fff;box-shadow:0 10px 26px rgba(108,76,241,.38)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(108,76,241,.46)}
.btn-ghost{background:transparent;color:var(--ink-text);border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(108,76,241,.16);border-color:rgba(177,75,240,.6)}
.btn-outline{background:transparent;color:var(--brand);border:1px solid rgba(108,76,241,.45)}
.btn-outline:hover{background:rgba(108,76,241,.08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 小标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;line-height:22px;font-weight:600;letter-spacing:.3px;
  color:#E4DCFF;background:rgba(108,76,241,.22);
  border:1px solid rgba(177,75,240,.42);
}
.tag-dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(47,212,180,.22)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:10px;
  font-size:13px;line-height:22px;font-weight:600;
}
.badge-cat{background:rgba(108,76,241,.92);color:#fff;box-shadow:0 6px 16px rgba(14,10,31,.35)}
.badge-light{background:rgba(108,76,241,.1);color:var(--brand);border:1px solid rgba(108,76,241,.24)}
.badge-gold{background:rgba(255,194,75,.14);color:#B57C05;border:1px solid rgba(255,194,75,.45)}
.badge-gold::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.badge-mint{background:rgba(47,212,180,.14);color:#0E8C76;border:1px solid rgba(47,212,180,.42)}
.badge-mint::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}

/* ---------- 首页首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-bg);
  color:var(--ink-text);
  padding:158px 0 104px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-stars{
  position:absolute;inset:0;opacity:.7;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.6) 1px,transparent 1.3px),
    radial-gradient(circle,rgba(185,177,218,.45) 1px,transparent 1.3px);
  background-size:190px 190px,270px 270px;
  background-position:0 0,96px 140px;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(14,10,31,.94) 0%,rgba(23,16,52,.86) 46%,rgba(82,54,214,.6) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{margin:20px 0 18px;color:#fff}
.hero-sub{font-size:17px;line-height:30px;color:var(--ink-muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges li{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;line-height:22px;color:#DCD5F6;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.hero-badges li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-star)}

.board{
  background:var(--ink-card);
  border:1px solid var(--line-ink);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-ink),inset 0 1px 0 rgba(255,255,255,.07);
}
.board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.board-title{font-size:16px;font-weight:700;color:#fff;letter-spacing:.3px}
.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.metric{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);
  padding:16px 16px 14px;
}
.metric-value{
  font-size:30px;line-height:38px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.metric-value small{font-size:13px;font-weight:600;color:var(--ink-muted);margin-left:4px;letter-spacing:0}
.metric-label{font-size:13px;line-height:22px;color:var(--ink-muted);margin-top:4px}
.delta{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;margin-top:8px}
.delta-up{color:#0F2E27;background:rgba(47,212,180,.9)}
.delta-down{color:#3A2100;background:rgba(255,194,75,.9)}

/* ---------- 指标看板 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  position:relative;
  background:#fff;border:1px solid var(--line-light);
  border-radius:var(--r-md);padding:26px 24px 24px 28px;
  box-shadow:var(--shadow-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
  background:var(--grad-star);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-light-lg);border-color:rgba(108,76,241,.3)}
.stat-num{font-size:34px;line-height:42px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.6px;color:var(--text)}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:5px;letter-spacing:0}
.stat-label{font-size:14px;line-height:24px;color:var(--muted);margin-top:2px}
.trend{height:6px;border-radius:999px;background:#EFEBFE;overflow:hidden;margin-top:16px}
.trend i{display:block;height:100%;border-radius:999px;background:var(--grad-star)}
.stat-note{font-size:13px;line-height:22px;color:var(--muted);margin-top:10px}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head .lead{max-width:640px}
.head-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.head-bar span{width:4px;height:22px;border-radius:3px;background:var(--grad-star)}
.head-bar em{font-style:normal;font-size:14px;font-weight:700;letter-spacing:1.4px;color:var(--brand);text-transform:uppercase}
.section-head p{color:var(--muted);margin-top:12px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:700;color:var(--brand);
  text-underline-offset:4px;transition:color var(--ease),gap var(--ease);
}
.link-more:hover{gap:10px;color:var(--brand-deep);text-decoration:underline}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{
  grid-column:span 2;grid-row:span 2;
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-light-lg);border-color:rgba(108,76,241,.3)}
.feature-media{position:relative;height:230px;background:#EFEBFE;overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:28px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-body p{color:var(--muted);font-size:16px;line-height:28px}
.mini-card{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-md);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--shadow-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-light-lg);border-color:rgba(108,76,241,.3)}
.mini-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(108,76,241,.1);border:1px solid rgba(108,76,241,.2);
}
.mini-icon svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mini-card h3{font-size:17px;line-height:26px}
.mini-card p{font-size:14px;line-height:24px;color:var(--muted)}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);margin-top:auto;transition:gap var(--ease)}
.arrow-link:hover{gap:10px}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:38px}
.step::before{content:"";position:absolute;top:12px;left:0;right:-24px;height:2px;background:linear-gradient(90deg,rgba(108,76,241,.45),rgba(177,75,240,.18))}
.step:last-child::before{right:0;background:linear-gradient(90deg,rgba(108,76,241,.45),rgba(255,122,89,.5))}
.step::after{
  content:"";position:absolute;top:5px;left:0;
  width:16px;height:16px;border-radius:50%;
  background:var(--grad-star);
  box-shadow:0 0 0 5px rgba(108,76,241,.14);
}
.step-num{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1px;
  color:var(--brand);font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.step h3{font-size:19px;line-height:28px;margin-bottom:8px}
.step p{font-size:14px;line-height:24px;color:var(--muted)}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1px 1fr;gap:48px;align-items:start}
.compare-col h3{margin-bottom:6px}
.compare-col .sub{font-size:14px;line-height:24px;color:var(--muted);margin-bottom:20px}
.compare-divider{width:1px;height:100%;min-height:260px;background:linear-gradient(180deg,transparent,rgba(108,76,241,.55),rgba(255,122,89,.5),transparent)}
.compare-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 0;border-bottom:1px solid var(--line-light);
  font-size:15px;line-height:26px;
}
.compare-list li:last-child{border-bottom:none}
.mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px;
}
.mark-yes{background:rgba(47,212,180,.16);color:#0E8C76;border:1px solid rgba(47,212,180,.4)}
.mark-no{background:rgba(92,84,120,.1);color:#7A7194;border:1px solid rgba(92,84,120,.18)}
.plain li{color:var(--muted)}
.entry-box{
  background:linear-gradient(140deg,#FFFFFF,#F5F1FF);
  border:1px solid rgba(108,76,241,.22);
  border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--shadow-light);
}
.plain-box{
  background:#fff;border:1px solid var(--line-light);
  border-radius:var(--r-lg);padding:28px;
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-light-lg);border-color:rgba(108,76,241,.3)}
.news-link{display:flex;flex-direction:column;height:100%}
.news-media{position:relative;display:block;aspect-ratio:16/9;background:#EFEBFE;overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease}
.news-card:hover .news-media img{transform:scale(1.04)}
.news-media .badge-cat{position:absolute;left:14px;top:14px}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:18px;line-height:28px;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;line-height:24px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-light);
  font-size:13px;line-height:22px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.news-more{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--brand)}
.empty-state{
  grid-column:1/-1;
  background:#fff;border:1px dashed var(--line-light);border-radius:var(--r-lg);
  padding:64px 32px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(108,76,241,.1)}
.empty-icon svg{width:24px;height:24px;stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-aside p{color:var(--muted);margin-top:14px}
.faq-contact{
  margin-top:26px;padding:22px;border-radius:var(--r-md);
  background:rgba(108,76,241,.07);border:1px solid rgba(108,76,241,.18);
}
.faq-contact strong{display:block;font-size:16px;margin-bottom:6px}
.faq-contact span{font-size:14px;line-height:24px;color:var(--muted)}
.faq-item{
  position:relative;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(108,76,241,.32);box-shadow:var(--shadow-light)}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-star);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:16px;line-height:26px;font-weight:700}
.chev{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-light);color:var(--brand);
  transition:transform var(--ease),background var(--ease);
}
.chev svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.faq-item[open] .chev{transform:rotate(180deg);background:rgba(108,76,241,.1)}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:28px;color:var(--muted)}

/* ---------- CTA / 表单 ---------- */
.cta{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#0E0A1F 0%,#171034 52%,#2C1C61 100%);
  color:var(--ink-text);padding:96px 0;
}
.cta::after{
  content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(177,75,240,.35),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy > p{color:var(--ink-muted);max-width:520px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;line-height:26px;color:#DCD5F6}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;margin-top:9px;
  background:var(--grad-star);
}
.cta-contact{
  margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:24px;font-size:14px;line-height:24px;color:var(--ink-muted);
}
.cta-contact strong{color:#fff;display:block;font-size:15px}
.form-card{
  background:#1D1540;border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-ink);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:14px;line-height:22px;color:var(--ink-muted);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  color:#F3F0FF;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:26px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(185,177,218,.7)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(108,76,241,.28);
  background:rgba(255,255,255,.09);
}
.field select{appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,#B9B1DA 50%),linear-gradient(135deg,#B9B1DA 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field select option{color:#1B1533}
.form-note{font-size:13px;line-height:22px;color:var(--ink-muted);margin-top:14px}
.form-note a{color:#C9BDFF;text-decoration:underline;text-underline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B0818;color:var(--ink-muted);padding:76px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:10px}
.footer-brand .brand-mark svg{width:16px;height:16px}
.footer-brand span{font-size:17px;font-weight:800}
.site-footer p{font-size:14px;line-height:26px}
.footer-col h4{color:#fff;font-size:15px;line-height:24px;margin-bottom:16px;letter-spacing:.3px}
.footer-col li{margin-bottom:10px}
.footer-col a{
  display:inline-block;font-size:14px;line-height:24px;color:var(--ink-muted);
  transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:#C9BDFF;transform:translateX(2px)}
.footer-contact li{font-size:14px;line-height:24px;margin-bottom:10px}
.footer-contact strong{color:#E4DCFF;font-weight:600}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;line-height:22px;color:#8C84AC;
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-inner{gap:44px}
}
@media (max-width:1024px){
  h1{font-size:38px;line-height:48px}
  h2{font-size:28px;line-height:38px}
  .section{padding:76px 0}
  .hero{padding:140px 0 84px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .feature-card{grid-column:span 2;grid-row:auto}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .step::before{right:-24px}
  .step:nth-child(2n)::before{right:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:24px;
    background:rgba(14,10,31,.96);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:var(--shadow-ink);
    display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:12px 16px;font-size:16px}
  .nav-link.is-active::after{left:16px;right:auto;width:22px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  h1{font-size:30px;line-height:40px}
  h2{font-size:24px;line-height:34px}
  h3{font-size:19px;line-height:28px}
  body{font-size:16px;line-height:30px}
  .section{padding:60px 0}
  .section--tight{padding:52px 0}
  .hero{padding:124px 0 64px}
  .stats-grid{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .feature-card{grid-column:span 1}
  .feature-media{height:190px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:24px 0 24px 30px}
  .step::before{top:0;bottom:0;left:6px;right:auto;width:2px;height:auto;background:linear-gradient(180deg,rgba(108,76,241,.5),rgba(177,75,240,.25))}
  .step:last-child::before{background:linear-gradient(180deg,rgba(108,76,241,.5),transparent)}
  .step::after{top:26px;left:0}
  .compare{grid-template-columns:1fr;gap:32px}
  .compare-divider{width:100%;height:1px;min-height:0;background:linear-gradient(90deg,transparent,rgba(108,76,241,.6),rgba(255,122,89,.5),transparent)}
  .news-grid{grid-template-columns:1fr}
  .cta{padding:64px 0}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding:56px 0 26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .board{padding:22px}
  .board-grid{grid-template-columns:1fr 1fr;gap:14px}
  .metric-value{font-size:25px;line-height:32px}
  .hero-badges li{font-size:12px}
}
@media (max-width:520px){
  .board-grid{display:flex;overflow-x:auto;gap:14px;padding-bottom:6px;scrollbar-width:thin}
  .metric{flex:0 0 158px}
  .hero-actions .btn{width:100%}
  .form-card{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg-deep:#0E0A1F;
  --bg-deep-2:#171034;
  --card-deep:#221A46;
  --bg-light:#F7F5FF;
  --card:#FFFFFF;
  --line-light:#ECE7FB;
  --line:#E4DDF8;
  --line-dark:rgba(255,255,255,.10);
  --brand:#6C4CF1;
  --brand-deep:#5236D6;
  --brand-magenta:#B14BF0;
  --brand-orange:#FF7A59;
  --gold:#FFC24B;
  --mint:#2FD4B4;
  --text:#1B1533;
  --text-2:#5C5478;
  --on-dark:#F3F0FF;
  --on-dark-2:#B9B1DA;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 52%,#FF7A59 100%);
  --shadow-card:0 12px 32px rgba(28,16,72,.08);
  --shadow-card-hover:0 20px 44px rgba(28,16,72,.14);
  --shadow-deep:0 18px 48px rgba(0,0,0,.45);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(108,76,241,.22)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:20px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;
  padding:0 20px;
  transition:top var(--ease);
}
.nav-shell{
  position:relative;
  width:min(1160px,100%);
  height:72px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(14,10,31,.72);
  border:1px solid var(--line-dark);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 14px 40px rgba(8,4,24,.35);
  transition:height 220ms ease,background 220ms ease,box-shadow 220ms ease;
}
.site-header.is-scrolled .nav-shell{
  height:60px;
  background:rgba(14,10,31,.92);
  box-shadow:0 16px 44px rgba(8,4,24,.5);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad-star);
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(108,76,241,.45);
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-name{
  color:#fff;font-size:16px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--on-dark-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{background:rgba(108,76,241,.12);color:#fff}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad-star);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line-dark);
  place-items:center;flex-shrink:0;
}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.nav-cta{flex-shrink:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1;
  padding:0 24px;height:48px;
  transition:transform var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:var(--grad-star);color:#fff;
  box-shadow:0 12px 26px rgba(108,76,241,.32);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-outline{
  border-color:rgba(108,76,241,.42);color:var(--brand-deep);background:transparent;
}
.btn-outline:hover{background:rgba(108,76,241,.08);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn.is-disabled,.btn[disabled]{opacity:.45;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-deep);font-weight:600;font-size:15px;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;train:0;transition:transform var(--ease)}
.text-link:hover{color:var(--brand)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 通用标签、徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:10px;
  font-size:13px;font-weight:600;line-height:1.5;
  border:1px solid transparent;white-space:nowrap;
}
.tag-brand{background:rgba(108,76,241,.12);color:#CDBBFF;border-color:rgba(108,76,241,.35)}
.tag-light{background:rgba(108,76,241,.08);color:var(--brand-deep);border-color:rgba(108,76,241,.2)}
.tag-gold{background:rgba(255,194,75,.14);color:#8A5B00;border-color:rgba(255,194,75,.45)}
.tag-gold-on-dark{background:rgba(255,194,75,.14);color:var(--gold);border-color:rgba(255,194,75,.4)}
.tag-mint{background:rgba(47,212,180,.14);color:#0C7A66;border-color:rgba(47,212,180,.4)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- 文章页头 ---------- */
.page-hero{
  position:relative;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(108,76,241,.42),transparent 62%),
    radial-gradient(700px 380px at 92% 12%,rgba(177,75,240,.32),transparent 60%),
    linear-gradient(140deg,#0E0A1F 0%,#171034 52%,#221A46 100%);
  padding:150px 0 76px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
    radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:220px 220px,140px 140px;
  background-position:0 0,60px 90px;
  opacity:.35;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--on-dark-2);margin-bottom:22px;
}
.crumb a{color:var(--on-dark-2);transition:color var(--ease)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.28)}
.crumb .current{
  color:#fff;font-weight:600;
  max-width:52%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.24;
  color:#fff;
  max-width:900px;
  letter-spacing:.005em;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;font-size:14px;color:var(--on-dark-2);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 文章布局 ---------- */
.article-section{padding:64px 0 24px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 272px;
  gap:32px;
  align-items:start;
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:48px;
}
.article-lead{
  font-size:17px;color:var(--text-2);
  padding-bottom:24px;margin-bottom:12px;
  border-bottom:1px solid var(--line-light);
}
.article-body{font-size:18px;line-height:1.9;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.4;
  margin:2em 0 .8em;
  padding-left:16px;
  color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:4px;
  background:var(--grad-star);
}
.article-body h3{font-size:19px;line-height:1.5;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;margin:1.4em 0 .5em}
.article-body strong{font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:#F3EFFF;
  border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;
  color:var(--text-2);font-size:16.5px;
}
.article-body img{
  border-radius:16px;margin:1.6em 0;
  box-shadow:0 12px 32px rgba(28,16,72,.08);
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--brand)}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15.5px;margin:1.6em 0;
  border-radius:14px;border:1px solid var(--line);
}
.article-body th,.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--line-light);text-align:left;white-space:nowrap;
}
.article-body th{background:#F7F5FF;font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

/* 目录 */
.toc-card{
  position:sticky;top:104px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.toc-card h3{
  font-size:15px;color:var(--text-2);font-weight:700;
  letter-spacing:.06em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-card h3::before{
  content:"";width:4px;height:16px;border-radius:3px;background:var(--grad-star);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto}
.toc-link{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:14px;line-height:1.5;color:var(--text-2);
  transition:background var(--ease),color var(--ease);
}
.toc-link:hover{background:rgba(108,76,241,.08);color:var(--brand-deep)}
.toc-link.is-current{background:rgba(108,76,241,.1);color:var(--brand-deep);font-weight:600}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line-light);
  font-size:13px;color:var(--text-2);line-height:1.7;
}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;
}
.empty-icon{
  width:72px;height:72px;margin:0 auto 22px;border-radius:22px;
  background:var(--grad-star);display:grid;place-items:center;
  box-shadow:0 16px 34px rgba(108,76,241,.3);
}
.empty-icon svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15.5px;max-width:420px;margin:0 auto 24px}

/* 文章尾部 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:40px;padding-top:28px;border-top:1px solid var(--line-light);
}
.article-foot .btn-group{display:flex;flex-wrap:wrap;gap:12px}
.foot-note{font-size:14px;color:var(--text-2)}
.foot-note strong{color:var(--text)}

/* ---------- 相关推荐 ---------- */
.related-section{padding:72px 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:34px;
}
.section-head h2{
  position:relative;font-size:28px;line-height:1.35;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--grad-star);
}
.section-head p{color:var(--text-2);font-size:15.5px;margin-top:10px;max-width:640px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-card-hover);
  border-color:rgba(108,76,241,.3);
}
.related-thumb{position:relative;aspect-ratio:16/9;background:#EFEAFE;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:17px;line-height:1.55;font-weight:700}
.related-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;font-size:13.5px;color:var(--text-2);
}
.related-meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep);font-weight:600}
.related-meta .go svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;transition:transform var(--ease)}
.related-card:hover .go svg{transform:translateX(3px)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 320px at 88% 8%,rgba(177,75,240,.34),transparent 62%),
    radial-gradient(620px 300px at 6% 100%,rgba(255,122,89,.22),transparent 62%),
    linear-gradient(130deg,#0E0A1F 0%,#171034 100%);
  border-radius:32px;
  padding:56px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.45) 1px,transparent 1px);
  background-size:180px 180px;opacity:.28;pointer-events:none;
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);line-height:1.34;color:#fff}
.cta-band p{margin-top:16px;color:var(--on-dark-2);font-size:16px;max-width:520px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.cta-points span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  border:1px solid var(--line-dark);
  color:var(--on-dark);font-size:14px;
  background:rgba(255,255,255,.04);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-band .btn-outline{border-color:rgba(255,255,255,.34);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.1)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--bg-deep);
  color:var(--on-dark-2);
  padding:72px 0 32px;
  border-top:1px solid var(--line-dark);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-col p{font-size:14.5px;line-height:1.85;max-width:340px}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14.5px;color:var(--on-dark-2);display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-col ul a:hover{color:#CDBBFF;transform:translateX(2px)}
.footer-contact li{font-size:14.5px;display:flex;gap:10px;line-height:1.7}
.footer-contact strong{color:#fff;font-weight:600;flex-shrink:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13.5px;color:rgba(185,177,218,.85);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc-card{display:none}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .page-hero{padding:140px 0 64px}
  .article-card{padding:36px 30px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-menu{
    display:none;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;
    background:rgba(14,10,31,.97);
    border:1px solid var(--line-dark);
    border-radius:24px;
    box-shadow:0 22px 50px rgba(6,3,20,.55);
    margin-left:0;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{min-height:48px;display:flex;align-items:center;padding:0 16px;font-size:15px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:rgba(108,76,241,.16)}
  .nav-toggle{display:grid;margin-left:auto}
  .nav-cta{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .site-header{top:14px;padding:0 14px}
  .nav-shell{height:62px;padding:0 10px 0 16px}
  .nav-shell .brand-name{font-size:14.5px}
  .page-hero{padding:120px 0 52px}
  .page-hero h1{font-size:30px;line-height:1.32}
  .hero-meta{font-size:13.5px;gap:8px 16px}
  .article-section{padding:40px 0 16px}
  .article-card{padding:26px 20px;border-radius:20px}
  .article-body{font-size:16.5px;line-height:1.86}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17.5px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .article-foot .btn-group{width:100%}
  .article-foot .btn{flex:1}
  .related-section{padding:52px 0}
  .section-head h2{font-size:23px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 26px;margin-top:64px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px}
  .brand-name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .btn{width:100%;padding:0 18px}
  .hero-tags .tag{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg-deep:#0E0A1F;
  --bg-deep-2:#171034;
  --card-deep:#221A46;
  --light:#F7F5FF;
  --card:#FFFFFF;
  --line-light:#ECE7FB;
  --stroke-light:#E4DDF8;
  --stroke-dark:rgba(255,255,255,.10);
  --brand:#6C4CF1;
  --brand-press:#5236D6;
  --magenta:#B14BF0;
  --orange:#FF7A59;
  --gold:#FFC24B;
  --mint:#2FD4B4;
  --on-dark:#F3F0FF;
  --on-dark-2:#B9B1DA;
  --ink:#1B1533;
  --ink-2:#5C5478;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 52%,#FF7A59 100%);
  --grad-veil:linear-gradient(120deg,rgba(14,10,31,.94) 0%,rgba(23,16,52,.86) 46%,rgba(14,10,31,.95) 100%);
  --r-xl:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-light:0 12px 32px rgba(28,16,72,.08);
  --sh-light-hover:0 20px 46px rgba(28,16,72,.15);
  --sh-dark:0 18px 48px rgba(0,0,0,.45);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.76;
  color:var(--ink);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{width:100%;height:100%;display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(108,76,241,.22);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  padding:14px 26px;font-size:16px;font-weight:600;line-height:1;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:11px 20px;font-size:14.5px;}
.btn-primary{background-image:var(--grad-star);color:#fff;box-shadow:0 12px 26px rgba(108,76,241,.34);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 34px rgba(108,76,241,.42);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{border-color:rgba(108,76,241,.42);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(108,76,241,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline-light{border-color:rgba(255,255,255,.34);color:var(--on-dark);background:rgba(255,255,255,.04);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:10px;font-size:13px;font-weight:600;line-height:1.5;
  border:1px solid transparent;
}
.badge-brand{background:rgba(108,76,241,.10);color:var(--brand);border-color:rgba(108,76,241,.26);}
.badge-gold{background:rgba(255,194,75,.14);color:#9a6a05;border-color:rgba(255,194,75,.42);}
.badge-mint{background:rgba(47,212,180,.14);color:#0d7a63;border-color:rgba(47,212,180,.42);}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--brand);background:rgba(108,76,241,.10);border:1px solid rgba(108,76,241,.24);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background-image:var(--grad-star);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:20px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;
  transition:top .22s ease;
}
.nav-shell{
  position:relative;
  width:min(1160px,calc(100% - 40px));
  display:flex;align-items:center;gap:18px;
  height:72px;padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(14,10,31,.72);
  border:1px solid var(--stroke-dark);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:height .22s ease,background .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{top:0;}
.site-header.is-scrolled .nav-shell{
  height:60px;background:rgba(14,10,31,.92);box-shadow:0 14px 34px rgba(0,0,0,.42);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.01em;}
.brand-mark{
  width:28px;height:28px;flex:none;border-radius:50%;
  display:grid;place-items:center;
  background-image:var(--grad-star);
  box-shadow:0 6px 16px rgba(108,76,241,.45);
}
.brand-mark svg{width:15px;height:15px;fill:#fff;}
.brand-name{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--on-dark-2);font-weight:500;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{background:rgba(108,76,241,.12);color:var(--on-dark);}
.nav-link.is-active{color:#fff;font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background-image:var(--grad-star);
}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;
  align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--stroke-dark);
  background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
  transition:background var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:186px 0 96px;
  color:var(--on-dark);
  background-color:var(--bg-deep);
  background-image:var(--grad-veil),url(/assets/images/backpic/back-1.webp);
  background-size:cover,cover;
  background-position:center,center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.85;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%,rgba(255,255,255,.75),transparent 100%),
    radial-gradient(1.4px 1.4px at 28% 66%,rgba(255,194,75,.70),transparent 100%),
    radial-gradient(1.8px 1.8px at 46% 16%,rgba(255,255,255,.60),transparent 100%),
    radial-gradient(1.4px 1.4px at 62% 76%,rgba(177,75,240,.78),transparent 100%),
    radial-gradient(1.6px 1.6px at 79% 30%,rgba(255,255,255,.55),transparent 100%),
    radial-gradient(1.3px 1.3px at 89% 64%,rgba(47,212,180,.72),transparent 100%),
    radial-gradient(1.2px 1.2px at 34% 88%,rgba(255,255,255,.45),transparent 100%);
}
.hero .container{position:relative;z-index:1;}
.hero-inner{max-width:840px;}
.hero h1{
  margin-top:22px;
  font-size:48px;line-height:1.16;font-weight:800;color:#fff;
}
.hero-sub{
  margin-top:20px;font-size:18px;line-height:1.8;color:var(--on-dark-2);max-width:720px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-mini{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;
}
.mini-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--stroke-dark);
  font-size:14px;color:var(--on-dark);
}
.mini-chip strong{
  font-variant-numeric:tabular-nums;font-weight:800;color:var(--gold);font-size:15px;
}
.hero-rule{height:3px;border-radius:3px;background-image:var(--grad-star);margin-top:64px;opacity:.9;}

/* ---------- 板块基础 ---------- */
.section{padding:96px 0;}
.section-tint{background:#FFFFFF;}
.section-deep{
  background-color:var(--bg-deep);
  background-image:radial-gradient(900px 420px at 82% 8%,rgba(108,76,241,.30),transparent 70%),linear-gradient(180deg,#0E0A1F 0%,#171034 100%);
  color:var(--on-dark);
}
.section-head{max-width:760px;}
.section-head h2{
  margin-top:18px;font-size:32px;line-height:1.32;
}
.section-desc{margin-top:16px;font-size:17px;color:var(--ink-2);}
.section-deep .section-desc{color:var(--on-dark-2);}
.section-deep .section-head h2{color:#fff;}
.head-rule{position:relative;padding-top:26px;}
.head-rule::before{
  content:"";position:absolute;top:0;left:0;width:96px;height:3px;border-radius:3px;background-image:var(--grad-star);
}

/* ---------- 入口清单 ---------- */
.entry-panel{
  margin-top:44px;
  background:var(--card);
  border:1px solid var(--stroke-light);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-light);
  overflow:hidden;
}
.entry-row{
  display:flex;align-items:center;gap:20px;
  min-height:72px;padding:14px 26px;
  border-bottom:1px solid var(--line-light);
  transition:background var(--ease);
}
.entry-row:last-child{border-bottom:0;}
.entry-row:hover{background:#F5F1FF;}
.entry-index{
  flex:none;display:grid;place-items:center;
  min-width:44px;height:30px;padding:0 10px;
  border-radius:10px;background:rgba(108,76,241,.10);
  color:var(--brand);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
  border:1px solid rgba(108,76,241,.20);
}
.entry-main{flex:1 1 auto;min-width:0;}
.entry-main h3{font-size:18px;font-weight:700;color:var(--ink);}
.entry-main p{margin-top:4px;font-size:14.5px;color:var(--ink-2);line-height:1.66;}
.entry-actions{flex:none;display:flex;align-items:center;gap:14px;margin-left:auto;}
.entry-speed{
  font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums;font-weight:700;
}
.entry-speed span{font-size:12.5px;color:var(--ink-2);font-weight:500;margin-left:3px;}

/* ---------- 指标卡 ---------- */
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;
}
.metric-card{
  position:relative;
  padding:26px 24px 24px 28px;
  background:var(--card);
  border:1px solid var(--stroke-light);
  border-radius:var(--r-md);
  box-shadow:var(--sh-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.metric-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:3px;background-image:var(--grad-star);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-light-hover);border-color:rgba(108,76,241,.30);}
.metric-label{font-size:14px;color:var(--ink-2);font-weight:600;}
.metric-value{
  margin-top:10px;font-size:34px;font-weight:800;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--ink);line-height:1.1;
}
.metric-value em{font-style:normal;font-size:15px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.metric-trend{margin-top:12px;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.trend-up{color:#0d7a63;}
.trend-flat{color:#9a6a05;}
.metric-bar{margin-top:14px;height:6px;border-radius:6px;background:var(--line-light);overflow:hidden;}
.metric-bar i{display:block;height:100%;border-radius:6px;background-image:var(--grad-star);}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px;position:relative;
}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:var(--stroke-light);
}
.step{position:relative;padding-top:56px;}
.step-num{
  position:absolute;top:0;left:0;
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--stroke-light);
  color:var(--brand);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(28,16,72,.10);
}
.step h3{font-size:18px;font-weight:700;}
.step p{margin-top:8px;font-size:15.5px;color:var(--ink-2);line-height:1.76;}

/* ---------- 图文非对称 ---------- */
.split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;margin-top:44px;
}
.split-media{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--stroke-light);
  box-shadow:var(--sh-light);background:#EFEAFF;aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.feature-list{display:grid;gap:20px;}
.feature-item{
  display:flex;gap:16px;padding:22px 24px;
  background:#fff;border:1px solid var(--stroke-light);border-radius:var(--r-md);
  box-shadow:var(--sh-light);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--sh-light-hover);border-color:rgba(108,76,241,.30);}
.feature-icon{
  flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(108,76,241,.10);color:var(--brand);
}
.feature-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.feature-item h3{font-size:17px;font-weight:700;}
.feature-item p{margin-top:6px;font-size:15px;color:var(--ink-2);line-height:1.74;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.35fr;gap:56px;margin-top:12px;}
.faq-side{position:sticky;top:120px;align-self:start;}
.faq-side h2{margin-top:18px;font-size:32px;line-height:1.32;}
.faq-side p{margin-top:16px;font-size:16.5px;color:var(--ink-2);}
.faq-side .btn{margin-top:24px;}
.faq-list{border-top:1px solid var(--line-light);}
.faq-item{
  position:relative;border-bottom:1px solid var(--line-light);
  transition:padding-left var(--ease);
}
.faq-item[open]{padding-left:20px;}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:20px;bottom:22px;width:3px;border-radius:3px;background-image:var(--grad-star);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 0;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:rgba(108,76,241,.10);
  transition:transform var(--ease),background var(--ease);
}
.faq-icon svg{width:14px;height:14px;fill:none;stroke:var(--brand);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(108,76,241,.18);}
.faq-a{padding:0 40px 24px 0;font-size:16px;line-height:1.82;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:56px;
  background-color:var(--bg-deep);
  background-image:radial-gradient(760px 360px at 88% 12%,rgba(177,75,240,.34),transparent 72%),linear-gradient(120deg,#0E0A1F 0%,#171034 100%);
  border:1px solid var(--stroke-dark);
  box-shadow:var(--sh-dark);
  color:var(--on-dark);
  display:grid;grid-template-columns:1.25fr .9fr;gap:44px;align-items:center;
}
.cta-card h2{margin-top:16px;font-size:30px;line-height:1.34;color:#fff;}
.cta-card p{margin-top:16px;font-size:16.5px;color:var(--on-dark-2);}
.cta-points{display:grid;gap:12px;margin-top:24px;}
.cta-points li{display:flex;gap:10px;font-size:15.5px;color:var(--on-dark);}
.cta-points li::before{content:"";flex:none;width:7px;height:7px;margin-top:9px;border-radius:50%;background-image:var(--grad-star);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-side{
  padding:28px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid var(--stroke-dark);
}
.cta-side h3{font-size:17px;color:#fff;}
.cta-side dl{margin:18px 0 0;display:grid;gap:16px;}
.cta-side dt{font-size:13px;color:var(--on-dark-2);}
.cta-side dd{margin:4px 0 0;font-size:19px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{
  background-color:var(--bg-deep);
  background-image:linear-gradient(180deg,#0E0A1F 0%,#130C2A 100%);
  color:var(--on-dark-2);
  padding:80px 0 34px;
  border-top:1px solid var(--stroke-dark);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16.5px;}
.footer-brand .brand-mark{width:26px;height:26px;}
.footer-col p{margin-top:18px;font-size:15px;line-height:1.8;color:var(--on-dark-2);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;letter-spacing:.02em;}
.footer-col ul{margin-top:18px;display:grid;gap:11px;}
.footer-col ul a{font-size:15px;color:var(--on-dark-2);transition:color var(--ease),transform var(--ease);display:inline-block;}
.footer-col ul a:hover{color:#CFC4FF;transform:translateX(3px);}
.footer-contact li{font-size:14.5px;color:var(--on-dark-2);display:flex;gap:8px;flex-wrap:wrap;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:14px;color:rgba(185,177,218,.85);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero h1{font-size:44px;}
}
@media (max-width:1080px){
  .nav-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px;margin-left:0;
    background:rgba(14,10,31,.96);
    border:1px solid var(--stroke-dark);
    border-radius:22px;
    box-shadow:var(--sh-dark);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{display:flex;align-items:center;min-height:48px;padding:12px 16px;font-size:16px;}
  .nav-link.is-active{background:rgba(108,76,241,.16);}
  .nav-link.is-active::after{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cta{display:none;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .cta-card{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .hero{padding:140px 0 68px;}
  .hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:16px;margin-top:16px;}
  .hero-rule{margin-top:44px;}
  .section{padding:64px 0;}
  .section-head h2,.faq-side h2{font-size:24px;}
  .cta-card h2{font-size:23px;}
  .metric-grid{grid-template-columns:1fr;gap:18px;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .step{padding-top:0;padding-left:54px;}
  .step-num{top:2px;}
  .entry-row{flex-wrap:wrap;min-height:auto;padding:20px;gap:12px;}
  .entry-index{order:1;}
  .entry-main{order:2;flex:1 1 auto;}
  .entry-actions{order:3;width:100%;margin-left:0;justify-content:space-between;padding-top:6px;}
  .cta-card{padding:30px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .mini-chip{width:100%;justify-content:space-between;}
  .entry-actions{flex-wrap:wrap;gap:10px;}
  .entry-actions .btn{width:100%;}
  .faq-q{font-size:16.5px;}
  .metric-value{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0E0A1F;
  --ink-800:#171034;
  --ink-700:#221A46;
  --paper:#F7F5FF;
  --card:#FFFFFF;
  --line:#ECE7FB;
  --line-l:#E4DDF8;
  --line-d:rgba(255,255,255,.10);
  --brand:#6C4CF1;
  --brand-deep:#5236D6;
  --magenta:#B14BF0;
  --orange:#FF7A59;
  --gold:#FFC24B;
  --gold-ink:#8A6005;
  --mint:#2FD4B4;
  --mint-ink:#0F7C68;
  --text:#1B1533;
  --muted:#5C5478;
  --text-lt:#F3F0FF;
  --muted-lt:#B9B1DA;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 52%,#FF7A59 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --sh-l:0 12px 32px rgba(28,16,72,.08);
  --sh-l-h:0 20px 44px rgba(28,16,72,.15);
  --sh-d:0 18px 48px rgba(0,0,0,.45);
  --maxw:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.76;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;letter-spacing:-.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:#F2EEFF}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{margin-top:16px;font-size:clamp(24px,2.6vw,32px)}
.section-head p{margin-top:16px;color:var(--muted);font-size:17px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-deep);background:rgba(108,76,241,.09);
  border:1px solid rgba(108,76,241,.22);
}
.eyebrow--dark{color:#DCD2FF;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,calc(100% - 32px));z-index:120;
  transition:top .22s ease;
}
.nav-shell{
  display:flex;align-items:center;gap:14px;
  height:72px;padding:0 14px 0 20px;
  background:rgba(14,10,31,.72);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 30px rgba(9,6,24,.34);
  transition:height .22s ease,background .22s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;background:rgba(14,10,31,.92)}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-star);
  display:grid;place-items:center;flex:0 0 32px;
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-name{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;padding:10px 14px;border-radius:999px;
  font-size:15px;color:rgba(243,240,255,.78);white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:#fff;background:rgba(108,76,241,.18)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad-star);
}
.nav-mobile-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;align-items:center;justify-content:center;flex:0 0 44px;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-sm{height:44px;padding:0 20px;font-size:15px}
.btn-primary{background:var(--grad-star);color:#fff;box-shadow:0 12px 26px rgba(108,76,241,.34)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 34px rgba(108,76,241,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.62)}
.btn-outline{border-color:rgba(108,76,241,.4);color:var(--brand-deep);background:transparent}
.btn-outline:hover{background:rgba(108,76,241,.08);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-deep);font-weight:600;font-size:15px;
}
.btn-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .18s ease}
.btn-link:hover{color:var(--magenta)}
.btn-link:hover svg{transform:translateX(3px)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:var(--text-lt);
  padding:172px 0 68px;
  background:
    linear-gradient(155deg,rgba(14,10,31,.90) 0%,rgba(23,16,52,.82) 55%,rgba(34,26,70,.74) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:radial-gradient(rgba(255,255,255,.24) 1px,transparent 1px);
  background-size:38px 38px;
}
.page-hero .container{position:relative;z-index:2}
.hero-copy{max-width:800px}
.page-hero h1{
  margin-top:22px;color:#fff;
  font-size:clamp(30px,4.4vw,48px);line-height:1.16;
}
.hero-lead{margin-top:20px;color:var(--muted-lt);font-size:17px;line-height:1.82;max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;
  margin-top:56px;padding-top:30px;border-top:1px solid var(--line-d);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 14px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;
}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 6px}
.badge-gold{color:var(--gold);background:rgba(255,194,75,.10);border-color:rgba(255,194,75,.30)}
.badge-mint{color:var(--mint);background:rgba(47,212,180,.10);border-color:rgba(47,212,180,.30)}
.badge-violet{color:#D9CEFF;background:rgba(108,76,241,.20);border-color:rgba(108,76,241,.42)}

/* ---------- 面包屑 ---------- */
.crumb{padding:24px 0 0;font-size:14px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:#B9B1DA}
.crumb li:last-child::after{content:"";margin:0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-deep)}
.crumb strong{color:var(--text);font-weight:700}

/* ---------- 指标卡 ---------- */
.data-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.metric-card{
  position:relative;background:var(--card);border:1px solid var(--line-l);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-l);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  overflow:hidden;
}
.metric-card::before{
  content:"";position:absolute;left:0;top:28px;bottom:28px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad-star);opacity:.9;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-l-h);border-color:rgba(108,76,241,.30)}
.metric-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.metric-top h3{font-size:18px;font-weight:600;color:var(--text)}
.metric-value{
  margin-top:18px;font-size:40px;font-weight:800;line-height:1.1;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink-700);
}
.metric-unit{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px}
.trend{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 11px;border-radius:999px;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.trend svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.trend-up{color:var(--gold-ink);background:rgba(255,194,75,.22);border:1px solid rgba(255,194,75,.45)}
.trend-down{color:var(--mint-ink);background:rgba(47,212,180,.18);border:1px solid rgba(47,212,180,.42)}
.metric-bar{height:6px;border-radius:999px;background:var(--line);margin-top:22px;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:999px;background:var(--grad-star)}
.metric-note{margin-top:14px;font-size:14px;line-height:1.7;color:var(--muted)}

/* ---------- 更新记录列表 ---------- */
.record-list{
  background:var(--card);border:1px solid var(--line-l);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-l);
}
.record-row{
  display:flex;align-items:center;gap:16px;
  min-height:72px;padding:14px 24px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.record-row:last-child{border-bottom:0}
.record-row:hover{background:#F3EEFF}
.record-index{
  flex:0 0 42px;font-variant-numeric:tabular-nums;
  font-weight:700;font-size:15px;color:var(--brand);
}
.record-name{flex:1 1 220px;font-weight:600;font-size:16px}
.record-meta{flex:0 0 auto;font-size:14px;color:var(--muted)}
.record-meta--wide{flex:0 0 170px}
.status-pill{
  margin-left:auto;flex:0 0 auto;font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:999px;border:1px solid transparent;white-space:nowrap;
}
.status-ok{color:var(--mint-ink);background:rgba(47,212,180,.14);border-color:rgba(47,212,180,.36)}
.status-wait{color:var(--gold-ink);background:rgba(255,194,75,.20);border-color:rgba(255,194,75,.46)}

/* ---------- 维度说明 ---------- */
.dim-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:stretch}
.media-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-l);box-shadow:var(--sh-l);min-height:400px;
}
.media-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media-card .media-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,31,.20) 0%,rgba(14,10,31,.86) 100%);
}
.media-card .media-body{
  position:absolute;left:0;right:0;bottom:0;padding:28px;color:var(--text-lt);
}
.media-card h3{color:#fff;font-size:22px}
.media-card p{margin-top:12px;font-size:15px;line-height:1.75;color:var(--muted-lt)}
.mini-cards{display:grid;gap:16px;grid-template-rows:repeat(3,1fr)}
.mini-card{
  background:var(--card);border:1px solid var(--line-l);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-l);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-l-h);border-color:rgba(108,76,241,.30)}
.mini-card h3{font-size:18px;color:var(--brand-deep)}
.mini-card p{margin-top:10px;font-size:15px;line-height:1.72;color:var(--muted)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{position:relative;padding-top:28px}
.step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  border-radius:3px;background:var(--line-l);
}
.step::after{
  content:"";position:absolute;top:0;left:0;width:68px;height:3px;
  border-radius:3px;background:var(--grad-star);
}
.step-num{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--brand);letter-spacing:-.02em;
}
.step h3{margin-top:10px;font-size:19px}
.step p{margin-top:10px;font-size:15px;line-height:1.72;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:110px}
.faq-aside h2{margin-top:16px;font-size:clamp(24px,2.4vw,30px)}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:16px}
.faq-aside .aside-contact{
  margin-top:26px;padding:20px 22px;border-radius:var(--r-md);
  background:#F3EEFF;border:1px solid var(--line-l);
}
.faq-aside .aside-contact strong{display:block;color:var(--ink-700);font-size:16px}
.faq-aside .aside-contact span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}
.faq-item{
  background:var(--card);border:1px solid var(--line-l);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(108,76,241,.36);box-shadow:var(--sh-l)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{
  position:relative;font-size:18px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-item[open] summary h3{padding-left:14px}
.faq-item[open] summary h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;
  border-radius:3px;background:var(--grad-star);
}
.chev{width:20px;height:20px;flex:0 0 20px;color:var(--brand);transition:transform .22s ease}
.chev svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.faq-item[open] .chev{transform:rotate(180deg)}
.faq-answer{padding:0 24px 22px;font-size:16px;line-height:1.8;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;color:var(--text-lt);padding:96px 0;
  background:
    linear-gradient(150deg,rgba(14,10,31,.94) 0%,rgba(23,16,52,.90) 60%,rgba(34,26,70,.88) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-top:18px}
.cta-copy > p{margin-top:18px;color:var(--muted-lt);font-size:16px;max-width:480px}
.cta-points{margin-top:28px;display:grid;gap:14px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:#E7E1FF}
.cta-points svg{width:20px;height:20px;flex:0 0 20px;margin-top:4px;stroke:var(--mint);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.cta-contact{
  margin-top:30px;padding-top:24px;border-top:1px solid var(--line-d);
  display:flex;flex-wrap:wrap;gap:24px;font-size:15px;color:var(--muted-lt);
}
.cta-contact strong{color:#fff;font-weight:600}
.form-card{
  background:var(--card);border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--sh-d);color:var(--text);
}
.form-card h3{font-size:20px;color:var(--ink-700)}
.form-card > p{margin-top:10px;font-size:14px;color:var(--muted)}
.field{margin-top:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--muted);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line-l);background:#FBFAFF;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(108,76,241,.16);
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C5478' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px 16px;
  padding-right:40px;
}
.form-card .btn{margin-top:24px}
.form-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted)}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:16px;
  padding:12px 14px;border-radius:12px;font-size:14px;font-weight:600;
  color:var(--mint-ink);background:rgba(47,212,180,.14);
  border:1px solid rgba(47,212,180,.42);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);color:var(--muted-lt);
  padding:72px 0 0;border-top:1px solid var(--line-d);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-col p{font-size:15px;line-height:1.78;color:var(--muted-lt)}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px;font-size:15px}
.footer-col ul a{display:inline-block;color:var(--muted-lt);transition:color .18s ease,transform .18s ease}
.footer-col ul a:hover{color:#C9BCFF;transform:translateX(2px)}
.footer-contact li{font-size:15px;margin-bottom:12px}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:14px;color:var(--muted-lt);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-badges{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dim-grid{grid-template-columns:1fr}
  .media-card{min-height:320px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section--tight{padding:52px 0}
  .site-header{top:12px;width:calc(100% - 24px)}
  .nav-shell{height:60px;padding:0 10px 0 14px}
  .brand{font-size:15px}
  .brand-mark{width:28px;height:28px;flex:0 0 28px}
  .brand-mark svg{width:16px;height:16px}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:10px;background:rgba(14,10,31,.97);
    border:1px solid var(--line-d);border-radius:20px;
    box-shadow:0 20px 44px rgba(0,0,0,.5);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:14px}
  .nav-link.is-active::after{left:16px;right:auto;width:36px;bottom:8px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-mobile-cta{
    display:flex;align-items:center;justify-content:center;
    margin-top:8px;height:48px;border-radius:999px;
    background:var(--grad-star);color:#fff;font-weight:600;font-size:15px;
  }
  .page-hero{padding:132px 0 56px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{height:48px;padding:0 22px;font-size:15px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px;padding-top:24px}
  .badge{font-size:13px;padding:10px 12px;justify-content:flex-start}
  .data-grid{grid-template-columns:1fr}
  .metric-value{font-size:34px}
  .record-row{min-height:auto;padding:16px 20px;flex-wrap:wrap;row-gap:6px}
  .record-name{flex:1 1 100%;order:2}
  .record-index{order:1}
  .record-meta{order:3}
  .record-meta--wide{flex:1 1 100%}
  .status-pill{order:4;margin-left:0}
  .steps{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .form-card{padding:24px}
}
@media (max-width:520px){
  .hero-badges{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --void:#0E0A1F;
  --void-2:#171034;
  --card-deep:#221A46;
  --light:#F7F5FF;
  --surface:#FFFFFF;
  --line-light:#ECE7FB;
  --brand:#6C4CF1;
  --brand-deep:#5236D6;
  --magenta:#B14BF0;
  --orange:#FF7A59;
  --gold:#FFC24B;
  --mint:#2FD4B4;
  --t-light:#F3F0FF;
  --t-light-2:#B9B1DA;
  --ink:#1B1533;
  --ink-2:#5C5478;
  --stroke-deep:rgba(255,255,255,.10);
  --stroke-light:#E4DDF8;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 55%,#FF7A59 100%);
  --grad-soft:linear-gradient(160deg,#F2EDFF 0%,#F7F5FF 52%,#EFEAFE 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:10px;
  --r-pill:999px;
  --sh-light:0 12px 32px rgba(28,16,72,.08);
  --sh-light-hover:0 20px 44px rgba(28,16,72,.14);
  --sh-deep:0 18px 48px rgba(0,0,0,.45);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:20px;
  left:50%;
  transform:translateX(-50%);
  width:min(1160px,calc(100% - 40px));
  z-index:120;
  transition:top .22s ease;
}
.nav-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  padding:0 14px 0 22px;
  border:1px solid var(--stroke-deep);
  border-radius:var(--r-pill);
  background:rgba(14,10,31,.72);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background .22s ease,height .22s ease,border-color .22s ease;
}
.site-header.is-stuck{top:10px}
.site-header.is-stuck .nav-shell{
  height:60px;
  background:rgba(14,10,31,.92);
  border-color:rgba(255,255,255,.16);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t-light)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;
  background:var(--grad-star);
  box-shadow:0 8px 20px rgba(108,76,241,.45);
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--t-light-2);
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--t-light);background:rgba(108,76,241,.12)}
.nav-link.is-active{color:#fff;font-weight:700;background:rgba(108,76,241,.14)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-star);
}
.nav-cta{flex:0 0 auto}
.nav-cta-mobile{display:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--stroke-deep);border-radius:14px;
  background:rgba(255,255,255,.06);color:var(--t-light);cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:rgba(108,76,241,.24);border-color:rgba(108,76,241,.5)}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,opacity .18s ease;
}
.btn-primary{background:var(--grad-star);color:#fff;box-shadow:0 12px 26px rgba(108,76,241,.32)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 34px rgba(108,76,241,.4)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:rgba(108,76,241,.45);color:var(--brand-deep);background:transparent}
.btn-ghost:hover{background:rgba(108,76,241,.08);transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(255,255,255,.28);color:var(--t-light);background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:700;color:var(--brand-deep);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .18s ease}
.link-more:hover{color:var(--magenta)}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);
  font-size:13px;font-weight:700;line-height:1.5;
  background:rgba(108,76,241,.1);
  border:1px solid rgba(108,76,241,.24);
  color:var(--brand-deep);
}
.badge-gold{background:rgba(255,194,75,.16);border-color:rgba(255,194,75,.5);color:#8A5A00}
.badge-mint{background:rgba(47,212,180,.16);border-color:rgba(47,212,180,.5);color:#0C7A63}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tag{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;
  color:var(--brand-deep);
  background:#fff;
  border:1px solid var(--stroke-light);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease,color .18s ease;
}
.tag:hover{border-color:rgba(108,76,241,.5);color:var(--magenta);transform:translateY(-2px);box-shadow:var(--sh-light)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--grad-soft);
  padding:168px 0 88px;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(108,76,241,.24) 1px,transparent 1px),
    radial-gradient(rgba(177,75,240,.18) 1px,transparent 1px);
  background-size:38px 38px,64px 64px;
  background-position:0 0,18px 22px;
  opacity:.55;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(177,75,240,.24),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);margin-bottom:22px}
.crumb a{transition:color .18s ease}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{opacity:.5}
.crumb strong{color:var(--ink);font-weight:700}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-deep);
  background:rgba(255,255,255,.78);
  border:1px solid rgba(108,76,241,.3);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad-star)}
.page-hero h1{
  margin-top:22px;
  font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.01em;
  color:var(--ink);
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad-star);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:600px}
.hero-lead + .hero-lead{margin-top:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;font-size:14px;color:var(--ink-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-light);
  border:1px solid var(--stroke-light);
  background:#EFEAFE;
}
.hero-figure img{width:100%;height:380px;object-fit:cover}
.hero-float{
  position:absolute;left:20px;bottom:20px;right:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-radius:var(--r-md);
  background:rgba(14,10,31,.78);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--stroke-deep);
  color:var(--t-light);
}
.hero-float strong{font-size:15px}
.hero-float span{font-size:13px;color:var(--t-light-2)}

/* ---------- 快讯条 ---------- */
.ticker{
  background:var(--void);
  border-top:1px solid var(--stroke-deep);
  border-bottom:1px solid var(--stroke-deep);
  padding:18px 0;
}
.ticker-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.ticker-label{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  font-size:13.5px;font-weight:700;letter-spacing:.06em;
  color:#fff;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--grad-star);
}
.ticker-list{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14.5px;color:var(--t-light-2)}
.ticker-list li{display:inline-flex;align-items:center;gap:10px}
.ticker-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold)}
.ticker-list b{color:var(--t-light);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head .head-text{max-width:720px}
.section-head h2{
  font-size:32px;line-height:1.32;font-weight:800;letter-spacing:-.01em;
  padding-left:16px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-star);
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.85}
.section-dark{background:var(--void);color:var(--t-light)}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:var(--t-light-2)}

/* ---------- 指标卡 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.metric-card{
  position:relative;
  padding:26px 24px 24px 28px;
  background:var(--surface);
  border:1px solid var(--stroke-light);
  border-radius:var(--r-md);
  box-shadow:var(--sh-light);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;background:var(--grad-star)}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-light-hover);border-color:rgba(108,76,241,.3)}
.metric-value{display:flex;align-items:baseline;gap:6px;font-size:34px;font-weight:800;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric-value small{font-size:14px;font-weight:600;color:var(--ink-2)}
.metric-label{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
.metric-bar{margin-top:16px;height:6px;border-radius:6px;background:#EFEAFE;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:6px;background:var(--grad-star)}

/* ---------- 资讯瀑布 ---------- */
.news-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.news-column{display:grid;gap:28px;align-content:start}
.news-column--offset{padding-top:56px}
.article-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--stroke-light);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-light);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--sh-light-hover);border-color:rgba(108,76,241,.3)}
.card-media{position:relative;overflow:hidden;background:#EFEAFE}
.card-media img{width:100%;object-fit:cover}
.card-media--tall img{height:262px}
.card-media--mid img{height:214px}
.card-media--short img{height:178px}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,31,0) 42%,rgba(14,10,31,.55) 100%);
}
.card-media .badge{position:absolute;left:18px;top:18px;z-index:2;background:rgba(255,255,255,.94);border-color:rgba(108,76,241,.28);color:var(--brand-deep)}
.card-body{padding:26px 28px 24px;display:flex;flex-direction:column;gap:14px;flex:1 1 auto}
.card-title{font-size:21px;line-height:1.42;font-weight:800;color:var(--ink);transition:color .18s ease}
.article-card:hover .card-title{color:var(--brand-deep)}
.card-text{font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding-top:16px;border-top:1px solid var(--line-light);
  font-size:14px;color:var(--ink-2);
}
.card-foot .date{font-variant-numeric:tabular-nums}
.card-foot .read{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-deep)}
.card-foot .read svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .18s ease}
.article-card:hover .card-foot .read svg{transform:translateX(3px)}

/* ---------- 排行 + 专题 ---------- */
.split-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:32px;align-items:start}
.panel{
  background:var(--surface);
  border:1px solid var(--stroke-light);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-light);
  padding:28px;
}
.panel-deep{
  background:var(--card-deep);
  border:1px solid var(--stroke-deep);
  box-shadow:var(--sh-deep),inset 0 1px 0 rgba(255,255,255,.08);
  color:var(--t-light);
}
.panel h3{font-size:22px;line-height:1.4;font-weight:800}
.panel-note{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.panel-deep .panel-note{color:var(--t-light-2)}
.rank-list{margin-top:22px}
.rank-item{
  display:flex;align-items:center;gap:16px;
  min-height:72px;padding:14px 6px;
  border-bottom:1px solid var(--line-light);
  transition:background .18s ease,padding-left .18s ease;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:#F4F0FF;padding-left:12px}
.rank-no{
  flex:0 0 auto;width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;font-size:14px;font-weight:800;
  color:var(--brand-deep);background:rgba(108,76,241,.1);
  font-variant-numeric:tabular-nums;
}
.rank-item:first-child .rank-no{background:var(--grad-star);color:#fff}
.rank-text{flex:1 1 auto;min-width:0;font-size:15.5px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-time{flex:0 0 auto;font-size:13.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.panel-deep .tag{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--t-light)}
.panel-deep .tag:hover{border-color:rgba(177,75,240,.7);color:#fff;box-shadow:none}
.panel-list{margin-top:22px;display:grid;gap:14px}
.panel-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--t-light-2)}
.panel-list li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--mint)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:48px;align-items:start}
.faq-aside h2{
  font-size:32px;line-height:1.32;font-weight:800;letter-spacing:-.01em;
  padding-left:16px;position:relative;
}
.faq-aside h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-star)}
.faq-aside p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.faq-contact{
  margin-top:26px;padding:22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--stroke-light);box-shadow:var(--sh-light);
}
.faq-contact strong{display:block;font-size:16px;font-weight:800}
.faq-contact span{display:block;margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.faq-contact .btn{margin-top:18px}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--stroke-light);
  border-radius:var(--r-md);
  box-shadow:var(--sh-light);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(108,76,241,.3)}
.faq-item[open]{border-color:rgba(108,76,241,.42);box-shadow:var(--sh-light-hover)}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;
  cursor:pointer;list-style:none;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad-star);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-q{flex:1 1 auto;font-size:17px;line-height:1.6;font-weight:700;color:var(--ink)}
.faq-chev{flex:0 0 auto;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#F3EFFF;color:var(--brand-deep);transition:transform .22s ease,background .22s ease}
.faq-chev svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.faq-item[open] .faq-chev{transform:rotate(180deg);background:rgba(108,76,241,.16)}
.faq-a{padding:0 22px 22px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA / 表单 ---------- */
.cta-section{
  position:relative;overflow:hidden;
  background:var(--void);
  padding:96px 0;
  color:var(--t-light);
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(108,76,241,.28),rgba(177,75,240,.16) 46%,rgba(255,122,89,.14));
  pointer-events:none;
}
.cta-section::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:44px 44px;opacity:.4;pointer-events:none;
}
.cta-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:56px;align-items:center}
.cta-grid h2{font-size:36px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:#fff}
.cta-grid .cta-lead{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--t-light-2);max-width:520px}
.cta-points{margin-top:26px;display:grid;gap:14px}
.cta-points li{display:flex;gap:12px;font-size:15.5px;color:var(--t-light-2)}
.cta-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--gold)}
.cta-contact{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14.5px;color:var(--t-light-2)}
.cta-contact b{color:#fff;font-weight:700}
.form-card{
  background:var(--surface);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:0 26px 60px rgba(0,0,0,.4);
  color:var(--ink);
}
.form-card h3{font-size:22px;font-weight:800;line-height:1.4}
.form-card .form-note{margin-top:8px;font-size:14.5px;color:var(--ink-2)}
.form-grid{margin-top:22px;display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--stroke-light);
  background:#FBF9FF;
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:112px;padding:13px 16px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand-deep) 50%),linear-gradient(135deg,var(--brand-deep) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:44px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(108,76,241,.16);
}
.field .hint{font-size:13px;color:var(--ink-2)}
.form-status{margin-top:16px;font-size:14px;color:#0C7A63;display:none}
.form-status.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--void);color:var(--t-light-2);padding:72px 0 30px;border-top:1px solid var(--stroke-deep)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800}
.footer-col p{margin-top:16px;font-size:14.5px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14.5px;transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-col ul a:hover{color:#D9CFFF;transform:translateX(2px)}
.footer-contact li{font-size:14.5px;line-height:1.7}
.footer-contact strong{color:#fff;font-weight:700;margin-right:8px}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13.5px;color:rgba(185,177,218,.85);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .page-hero h1{font-size:40px}
  .cta-grid h2{font-size:32px}
}
@media (max-width:1024px){
  .nav-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:12px;
    border:1px solid var(--stroke-deep);
    border-radius:var(--r-lg);
    background:rgba(14,10,31,.96);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:13px 16px;border-radius:14px;font-size:15.5px}
  .nav-link.is-active::after{left:16px;right:16px;bottom:6px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-cta-mobile{display:inline-flex;margin-top:6px;width:100%}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero-figure img{height:320px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split-grid{grid-template-columns:minmax(0,1fr)}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:32px}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.76}
  .container{padding:0 20px}
  .site-header{top:12px;width:calc(100% - 24px)}
  .nav-shell{height:64px;padding:0 10px 0 16px}
  .brand-name{font-size:15.5px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .page-hero{padding:132px 0 60px}
  .page-hero h1{font-size:30px;line-height:1.34;margin-top:18px}
  .hero-lead{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:14px;flex-direction:column}
  .hero-figure img{height:230px}
  .hero-float{flex-direction:column;align-items:flex-start;gap:4px;left:14px;right:14px;bottom:14px;padding:12px 14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px}
  .section-head h2,.faq-aside h2{font-size:24px;line-height:1.38}
  .news-columns{grid-template-columns:minmax(0,1fr);gap:22px}
  .news-column{gap:22px}
  .news-column--offset{padding-top:0}
  .card-media--tall img,.card-media--mid img{height:200px}
  .card-body{padding:22px 20px 20px}
  .card-title{font-size:18.5px}
  .panel{padding:22px}
  .cta-grid h2{font-size:26px}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .metrics{grid-template-columns:minmax(0,1fr)}
  .metric-card{padding:22px 20px 20px 24px}
  .metric-value{font-size:30px}
  .ticker-inner{gap:12px}
  .ticker-list{flex-direction:column;gap:8px;font-size:14px}
  .rank-time{display:none}
  .btn{padding:12px 20px;font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --deep:#0E0A1F;
  --deep-2:#171034;
  --deep-card:#221A46;
  --light-bg:#F7F5FF;
  --card:#FFFFFF;
  --line-light:#ECE7FB;
  --brand:#6C4CF1;
  --brand-dark:#5236D6;
  --magenta:#B14BF0;
  --orange:#FF7A59;
  --gold:#FFC24B;
  --mint:#2FD4B4;
  --text:#1B1533;
  --text-2:#5C5478;
  --text-deep:#F3F0FF;
  --text-deep-2:#B9B1DA;
  --stroke-deep:rgba(255,255,255,.10);
  --stroke-light:#E4DDF8;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 52%,#FF7A59 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-light:0 12px 32px rgba(28,16,72,.08);
  --sh-light-hover:0 20px 44px rgba(28,16,72,.14);
  --sh-deep:0 18px 48px rgba(0,0,0,.45);
  --sec-py:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--light-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-py) 0}
.section--tight{padding:64px 0}
.section--light{background:var(--light-bg)}
.section--white{background:#fff}
.section--deep{background:var(--deep);color:var(--text-deep)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);background:rgba(108,76,241,.10);
  border:1px solid rgba(108,76,241,.22);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-star)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:32px;line-height:1.32;margin-bottom:16px}
.sec-head p{color:var(--text-2);font-size:17px}
.sec-title{position:relative;padding-left:18px;font-size:32px;line-height:1.32;margin-bottom:16px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-star)}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:90;transition:top .22s ease}
.nav-shell{
  width:min(1160px,calc(100% - 40px));
  margin:0 auto;
  display:flex;align-items:center;gap:10px;
  height:72px;padding:0 14px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(14,10,31,.72);
  border:1px solid var(--stroke-deep);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 14px 40px rgba(8,4,24,.32);
  transition:height .22s ease,background .22s ease;
}
.site-header.is-scrolled .nav-shell{height:60px;background:rgba(14,10,31,.92)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:10px;background:var(--grad-star);
  box-shadow:0 6px 18px rgba(108,76,241,.45);
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-name{white-space:nowrap}
.nav-menu{flex:1 1 auto;display:flex;justify-content:center;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-deep-2);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(108,76,241,.32);color:#fff}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-star);
}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  place-items:center;border-radius:var(--r-pill);cursor:pointer;
  background:rgba(255,255,255,.08);border:1px solid var(--stroke-deep);
}
.nav-toggle svg{width:20px;height:20px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad-star);color:#fff;box-shadow:0 12px 28px rgba(108,76,241,.32)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 36px rgba(108,76,241,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost:hover{background:rgba(108,76,241,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-light-ghost:hover{background:rgba(255,255,255,.10)}
.btn-block{width:100%}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin-bottom:22px}
.breadcrumb a{color:var(--text-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-dark)}
.breadcrumb span.sep{color:rgba(92,84,120,.5)}
.breadcrumb .is-current{font-weight:700;color:var(--text)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:150px 0 76px;
  background:linear-gradient(140deg,#F7F5FF 0%,#EDE5FF 46%,#FCF7FF 100%);
  border-bottom:1px solid var(--stroke-light);
}
.page-head::after{
  content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(177,75,240,.22),rgba(108,76,241,0) 68%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:2}
.page-head__inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.page-head h1{font-size:48px;line-height:1.16;margin:20px 0 20px;max-width:16em}
.page-head__lead{font-size:18px;color:var(--text-2);max-width:640px}
.page-head__actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.page-head__facts{display:flex;flex-wrap:wrap;gap:10px}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--stroke-light);
  font-size:14px;color:var(--text-2);box-shadow:0 6px 18px rgba(28,16,72,.05);
}
.fact b{color:var(--text);font-size:15px}
.fact i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.page-head__media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--stroke-light);background:#fff;
  box-shadow:0 24px 60px rgba(28,16,72,.14);
}
.page-head__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.page-head__media figcaption{position:absolute;left:16px;right:16px;bottom:16px;padding:12px 16px;border-radius:14px;background:rgba(14,10,31,.78);color:#fff;font-size:13px;line-height:1.6}
.starfield{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 26%,rgba(108,76,241,.55),transparent 62%),
    radial-gradient(1.4px 1.4px at 32% 68%,rgba(177,75,240,.45),transparent 62%),
    radial-gradient(1.8px 1.8px at 58% 18%,rgba(255,122,89,.38),transparent 62%),
    radial-gradient(1.5px 1.5px at 76% 54%,rgba(108,76,241,.42),transparent 62%),
    radial-gradient(1.4px 1.4px at 88% 82%,rgba(177,75,240,.34),transparent 62%),
    radial-gradient(1.2px 1.2px at 46% 88%,rgba(108,76,241,.32),transparent 62%);
  background-size:520px 520px;
  opacity:.9;
}

/* ---------- FAQ 布局 ---------- */
.faq-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;align-items:start}
.toc{
  position:sticky;top:110px;
  background:#fff;border:1px solid var(--stroke-light);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-light);
}
.toc h2{font-size:16px;letter-spacing:.02em;margin-bottom:6px}
.toc__note{font-size:13px;color:var(--text-2);margin-bottom:18px;line-height:1.7}
.toc nav ul li+li{margin-top:4px}
.toc nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.toc nav a span.count{
  font-size:12px;font-variant-numeric:tabular-nums;
  padding:2px 8px;border-radius:var(--r-pill);
  background:rgba(108,76,241,.10);color:var(--brand-dark);font-weight:700;
}
.toc nav a:hover{background:rgba(108,76,241,.08);color:var(--brand-dark)}
.toc__foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line-light);
  font-size:13px;color:var(--text-2);line-height:1.7;
}
.toc__foot a{color:var(--brand-dark);font-weight:700}
.toc__foot a:hover{text-decoration:underline;text-underline-offset:4px}

.faq-group{margin-bottom:44px;scroll-margin-top:120px}
.faq-group:last-child{margin-bottom:0}
.faq-group__title{
  display:flex;align-items:center;gap:12px;
  font-size:22px;margin-bottom:8px;
}
.faq-group__title em{
  font-style:normal;font-size:13px;font-weight:700;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(47,212,180,.14);color:#12866f;
}
.faq-group__desc{color:var(--text-2);font-size:15px;margin-bottom:20px}

.faq-item{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--stroke-light);border-radius:var(--r-md);
  margin-bottom:12px;
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-light);border-color:rgba(108,76,241,.30)}
.faq-item[open]{border-color:rgba(108,76,241,.42);box-shadow:0 16px 40px rgba(28,16,72,.10)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--grad-star)}
.faq-q{
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q h3{flex:1 1 auto;font-size:17px;font-weight:700;line-height:1.5}
.faq-chevron{flex:0 0 auto;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:rgba(108,76,241,.10);transition:transform .22s ease,background .2s ease}
.faq-chevron svg{width:14px;height:14px;stroke:var(--brand-dark);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.faq-item[open] .faq-chevron{transform:rotate(180deg);background:rgba(108,76,241,.18)}
.faq-a{padding:0 22px 22px;color:var(--text-2);font-size:16px;line-height:1.85}
.faq-a strong{color:var(--text)}

/* ---------- 自查卡片 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.check-card{
  background:#fff;border:1px solid var(--stroke-light);border-radius:var(--r-lg);
  padding:26px 24px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.check-card:hover{box-shadow:var(--sh-light-hover);transform:translateY(-3px);border-color:rgba(108,76,241,.30)}
.check-card .icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(108,76,241,.10);margin-bottom:18px;
}
.check-card .icon svg{width:22px;height:22px;stroke:var(--brand-dark);stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.check-card h3{font-size:18px;margin-bottom:10px}
.check-card p{color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- 流程刻度 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;margin-top:8px}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(108,76,241,.45),rgba(177,75,240,.35),rgba(255,122,89,.30));
}
.step{position:relative;padding-top:64px}
.step .tick{
  position:absolute;top:14px;left:0;
  width:26px;height:26px;border-radius:50%;
  background:#fff;border:2px solid var(--brand);
  display:grid;place-items:center;
  font-size:12px;font-weight:800;color:var(--brand-dark);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;margin-bottom:10px}
.step p{color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- 联系卡 ---------- */
.contact-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:56px 52px;
  color:var(--text-deep);
  background-image:linear-gradient(115deg,rgba(14,10,31,.94) 0%,rgba(23,16,52,.86) 55%,rgba(34,26,70,.80) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-deep);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start;
  border:1px solid var(--stroke-deep);
}
.contact-band h2{font-size:30px;line-height:1.32;margin-bottom:16px}
.contact-band__lead{color:var(--text-deep-2);font-size:16px}
.contact-points{margin-top:24px;display:grid;gap:12px}
.contact-points li{display:flex;gap:10px;font-size:15px;color:var(--text-deep-2)}
.contact-points svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;stroke:var(--mint);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.contact-meta{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:var(--text-deep-2);
}
.contact-meta b{color:#fff;display:block;font-size:15px;margin-bottom:2px}

.form-card{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 20px 48px rgba(0,0,0,.35);color:var(--text)}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-note{font-size:13px;color:var(--text-2);margin-bottom:20px;line-height:1.7}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:14px;color:var(--text-2);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--stroke-light);background:#FBF9FF;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:104px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(92,84,120,.6)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(108,76,241,.16);
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand-dark) 50%),linear-gradient(135deg,var(--brand-dark) 50%,transparent 50%);background-position:calc(100% - 22px) 21px,calc(100% - 16px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-hint{font-size:13px;color:var(--text-2);margin-top:14px;line-height:1.7}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:#E04A62;background:#FFF7F8}
.field .err{font-size:13px;color:#C53049}
.field.is-ok input,.field.is-ok select{border-color:var(--mint)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:var(--text-deep-2);padding:72px 0 28px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.9;color:var(--text-deep-2);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{font-size:14px;color:var(--text-deep-2);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col ul a:hover{color:#C9B8FF;transform:translateX(2px)}
.footer-contact li{font-size:14px;line-height:1.8}
.footer-contact strong{display:block;color:#fff;font-size:13px;font-weight:700;margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(185,177,218,.85);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .page-head h1{font-size:42px}
}
@media (max-width:1024px){
  :root{--sec-py:80px}
  .container{padding:0 24px}
  .site-header{top:14px}
  .nav-shell{width:calc(100% - 28px);height:64px;padding:0 12px 0 16px}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:var(--r-lg);
    background:rgba(14,10,31,.96);
    border:1px solid var(--stroke-deep);
    box-shadow:var(--sh-deep);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{height:48px;padding:0 16px;border-radius:14px;font-size:16px;justify-content:flex-start}
  .nav-link.is-active::after{left:16px;right:auto;width:20px;bottom:14px}
  .nav-toggle{display:grid;margin-left:auto}
  .page-head{padding:132px 0 64px}
  .page-head__inner{grid-template-columns:1fr;gap:36px}
  .page-head h1{font-size:38px;max-width:none}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .toc{position:static;top:auto}
  .contact-band{grid-template-columns:1fr;gap:36px;padding:44px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-py:60px}
  body{font-size:16px}
  .container{padding:0 20px}
  .page-head{padding:118px 0 52px}
  .page-head h1{font-size:30px;line-height:1.3;margin:16px 0 16px}
  .page-head__lead{font-size:16px}
  .sec-title,.sec-head h2{font-size:24px}
  .sec-head{margin-bottom:32px}
  .faq-q{padding:16px 18px;gap:12px}
  .faq-q h3{font-size:16px}
  .faq-a{padding:0 18px 18px;font-size:15px}
  .faq-group__title{font-size:20px}
  .steps{grid-template-columns:1fr;gap:0}
  .steps::before{left:13px;right:auto;top:0;bottom:0;width:2px;height:auto;background:linear-gradient(180deg,rgba(108,76,241,.45),rgba(177,75,240,.35),rgba(255,122,89,.30))}
  .step{padding:0 0 28px 44px}
  .step .tick{top:0;left:0}
  .contact-band{padding:32px 22px;border-radius:var(--r-lg)}
  .contact-band h2{font-size:23px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .nav-shell{padding:0 10px 0 12px;gap:8px}
  .brand{font-size:14px;gap:8px}
  .brand-mark{width:26px;height:26px;border-radius:9px}
  .brand-mark svg{width:15px;height:15px}
  .nav-cta{padding:0 12px;font-size:12.5px;height:36px}
  .page-head h1{font-size:26px}
  .page-head__actions .btn{width:100%}
  .check-card{padding:22px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --ink-950:#0E0A1F;
  --ink-900:#171034;
  --ink-800:#221A46;
  --purple:#6C4CF1;
  --purple-deep:#5236D6;
  --magenta:#B14BF0;
  --orange:#FF7A59;
  --gold:#FFC24B;
  --mint:#2FD4B4;
  --surface:#FFFFFF;
  --light:#F7F5FF;
  --light-2:#F1EDFF;
  --line-light:#E4DDF8;
  --line-dark:rgba(255,255,255,.10);
  --text-strong:#1B1533;
  --text-muted:#5C5478;
  --text-on-dark:#F3F0FF;
  --text-on-dark-muted:#B9B1DA;
  --grad-star:linear-gradient(120deg,#6C4CF1 0%,#B14BF0 52%,#FF7A59 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 12px 32px rgba(28,16,72,.08);
  --shadow-card-hover:0 20px 44px rgba(28,16,72,.15);
  --shadow-dark:0 18px 48px rgba(0,0,0,.45);
  --ease:200ms ease;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--text-strong);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--radius-md)}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),transform var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;color:inherit}
p{margin:0}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;border-radius:6px}
.container{width:min(1200px,100%);margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:20px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 20px;
  transition:top 220ms ease;
}
.site-header.is-stuck{top:10px}
.nav-shell{
  position:relative;
  width:min(1160px,100%);
  display:flex;align-items:center;gap:16px;
  padding:11px 14px 11px 18px;
  border-radius:999px;
  background:rgba(14,10,31,.72);
  border:1px solid var(--line-dark);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 14px 36px rgba(10,6,28,.34);
  transition:background-color 220ms ease,box-shadow 220ms ease,padding 220ms ease;
}
.site-header.is-stuck .nav-shell{background:rgba(14,10,31,.93);padding:7px 14px 7px 18px;box-shadow:0 18px 44px rgba(10,6,28,.5)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad-star);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 6px 18px rgba(108,76,241,.45);
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-name{font-size:16px;font-weight:800;color:#fff;white-space:nowrap;letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:rgba(243,240,255,.76);
  white-space:nowrap;
}
.nav-link:hover{background:rgba(108,76,241,.22);color:#fff}
.nav-link.is-active{color:#fff;font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad-star);
}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  border-radius:999px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);cursor:pointer;
  place-items:center;
}
.nav-toggle svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}
.nav-toggle:hover{background:rgba(108,76,241,.3)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),filter var(--ease),border-color var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--grad-star);color:#fff;box-shadow:0 12px 26px rgba(108,76,241,.32)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 34px rgba(108,76,241,.42)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:rgba(108,76,241,.42);color:var(--purple-deep);background:transparent}
.btn-ghost:hover{background:rgba(108,76,241,.08);border-color:var(--purple)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-light{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--purple-deep)}
.link-arrow svg{width:16px;height:16px;transition:transform var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.link-arrow:hover{color:var(--magenta)}

/* ---------- 徽章 / 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:10px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  background:rgba(108,76,241,.1);color:var(--purple-deep);
  border:1px solid rgba(108,76,241,.24);
}
.tag-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.22)}
.badge-data{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,194,75,.14);color:#8a6300;border:1px solid rgba(255,194,75,.45);
}
.badge-data.is-mint{background:rgba(47,212,180,.14);color:#0b7a63;border-color:rgba(47,212,180,.45)}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:172px 0 96px;
  background:linear-gradient(120deg,#0E0A1F 0%,#171034 52%,#221A46 100%);
  color:var(--text-on-dark);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.30;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,10,31,.62) 0%,rgba(14,10,31,.72) 55%,rgba(23,16,52,.92) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-inner{display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-on-dark-muted);margin-bottom:22px}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .current{color:#fff;font-weight:700}
.page-hero .tag{margin-bottom:20px}
.page-hero h1{
  font-size:48px;line-height:1.18;margin-bottom:20px;
  background:linear-gradient(120deg,#FFFFFF 0%,#EDE7FF 45%,#FFD9C9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text-on-dark-muted);max-width:640px}
.hero-lead + .hero-lead{margin-top:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.status-card{
  background:rgba(23,16,52,.92);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-dark);
  backdrop-filter:blur(4px);
}
.status-head{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:#fff;padding-bottom:18px;border-bottom:1px solid var(--line-dark)}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 5px rgba(47,212,180,.18)}
.status-list{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.status-list li{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:14px}
.status-list span{color:var(--text-on-dark-muted)}
.status-list strong{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-deep{background:var(--ink-950);color:var(--text-on-dark)}
.section-tint{background:linear-gradient(180deg,#F7F5FF 0%,#F1EDFF 100%)}
.section-head{max-width:780px;margin-bottom:48px}
.section-head h2{position:relative;padding-left:18px;font-size:32px;line-height:1.32;margin:14px 0 14px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--grad-star)}
.section-head p{font-size:16px;line-height:1.85;color:var(--text-muted)}
.section-deep .section-head p{color:var(--text-on-dark-muted)}
.section-deep .section-head h2{color:#fff}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.head-row .section-head{margin-bottom:0}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line-light);
  border-radius:var(--radius-md);padding:26px 24px 24px 28px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.metric-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-star)}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(108,76,241,.3)}
.metric-value{font-size:36px;line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.metric-value small{font-size:14px;font-weight:600;color:var(--text-muted);margin-left:6px}
.metric-label{margin-top:10px;font-size:14px;color:var(--text-muted)}
.metric-bar{margin-top:18px;height:6px;border-radius:999px;background:var(--light-2);overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:999px;background:var(--grad-star)}

/* ---------- 服务卡组 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;grid-auto-rows:1fr}
.service-card{
  display:flex;flex-direction:column;gap:14px;
  background:var(--surface);border:1px solid var(--line-light);
  border-radius:var(--radius-lg);padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(108,76,241,.3)}
.service-card.feature{grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden}
.service-card.feature .feature-media{position:relative;height:210px;overflow:hidden}
.service-card.feature .feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.service-card.feature .feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,10,31,0) 35%,rgba(14,10,31,.6) 100%)}
.service-card.feature .feature-body{padding:26px 28px 30px;display:flex;flex-direction:column;gap:14px;flex:1}
.service-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(108,76,241,.1);border:1px solid rgba(108,76,241,.22);
}
.service-icon svg{width:22px;height:22px;fill:none;stroke:var(--purple-deep);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{font-size:19px;line-height:1.5}
.service-card p{font-size:15px;line-height:1.8;color:var(--text-muted)}
.service-card .link-arrow{margin-top:auto;font-size:14px}
.feature-list{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--text-muted);line-height:1.7}
.feature-list li::before{content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--grad-star)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.split-media img{width:100%;height:420px;object-fit:cover;border-radius:0}
.split-media .media-note{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(14,10,31,.82);border:1px solid var(--line-dark);
  color:#fff;font-size:13px;padding:8px 14px;border-radius:999px;
}
.split-body h2{font-size:32px;line-height:1.32;margin-bottom:18px}
.split-body p{font-size:16px;line-height:1.9;color:var(--text-muted)}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.check-list li{display:flex;gap:14px;font-size:15px;line-height:1.8}
.check-list .ck{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:rgba(47,212,180,.14);
  border:1px solid rgba(47,212,180,.45);margin-top:3px;
}
.check-list .ck svg{width:13px;height:13px;fill:none;stroke:#0b7a63;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.check-list strong{color:var(--text-strong)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:16px}
.timeline::before{
  content:"";position:absolute;top:28px;left:56px;right:56px;height:2px;
  background:linear-gradient(90deg,rgba(108,76,241,.18) 0%,#6C4CF1 35%,#B14BF0 70%,rgba(255,122,89,.4) 100%);
}
.tl-item{position:relative;display:flex;flex-direction:column;gap:18px}
.tl-node{
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;position:relative;z-index:2;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--purple-deep);
  background-image:linear-gradient(#fff,#fff),var(--grad-star);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:2px solid transparent;
  box-shadow:var(--shadow-card);
}
.tl-body{background:var(--surface);border:1px solid var(--line-light);border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-card);height:100%;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.tl-item:hover .tl-body{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(108,76,241,.3)}
.tl-body h3{font-size:18px;margin-bottom:10px}
.tl-body p{font-size:14.5px;line-height:1.8;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.4fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:120px}
.faq-aside h2{position:relative;padding-left:18px;font-size:30px;line-height:1.35;margin:14px 0 16px}
.faq-aside h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;background:var(--grad-star)}
.faq-aside p{font-size:15px;line-height:1.85;color:var(--text-muted)}
.faq-contact{
  margin-top:26px;padding:20px;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line-light);box-shadow:var(--shadow-card);
  font-size:14px;color:var(--text-muted);line-height:1.8;
}
.faq-contact strong{display:block;color:var(--text-strong);font-size:15px;margin-bottom:6px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line-light);
  border-radius:var(--radius-md);box-shadow:var(--shadow-card);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(108,76,241,.3);box-shadow:var(--shadow-card-hover)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-star);transform:scaleY(0);transform-origin:top;
  transition:transform 220ms ease;
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:17px;line-height:1.6;font-weight:700}
.faq-item summary:hover h3{color:var(--purple-deep)}
.faq-chev{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(108,76,241,.1);border:1px solid rgba(108,76,241,.2);
  transition:transform 220ms ease,background-color var(--ease);
}
.faq-chev svg{width:14px;height:14px;fill:none;stroke:var(--purple-deep);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.faq-item[open] .faq-chev{transform:rotate(180deg);background:rgba(108,76,241,.18)}
.faq-body{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--text-muted)}

/* ---------- 表单区 ---------- */
.support-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start}
.support-intro h2{font-size:32px;line-height:1.35;margin:14px 0 18px;color:#fff}
.support-intro p{font-size:16px;line-height:1.9;color:var(--text-on-dark-muted)}
.support-points{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.support-points li{display:flex;gap:14px;font-size:15px;line-height:1.8;color:var(--text-on-dark-muted)}
.support-points .dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;margin-top:2px;
  display:grid;place-items:center;background:rgba(108,76,241,.28);
  border:1px solid rgba(255,255,255,.16);color:#fff;font-size:12px;font-weight:800;
}
.support-contact{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.support-contact span{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;
  padding:9px 16px;border-radius:999px;color:#fff;
  background:rgba(255,255,255,.07);border:1px solid var(--line-dark);
}
.form-card{
  background:var(--surface);border-radius:var(--radius-lg);
  padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.36);
}
.form-card h3{font-size:20px;margin-bottom:8px}
.form-card .form-note{font-size:13.5px;color:var(--text-muted);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:span 2}
.field label{font-size:14px;font-weight:600;color:var(--text-muted)}
.field input,.field select,.field textarea{
  height:48px;padding:0 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line-light);background:var(--light);
  font-size:15px;color:var(--text-strong);width:100%;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.field textarea{height:auto;min-height:118px;padding:14px 16px;line-height:1.7;resize:vertical}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C5478' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:18px;
  padding-right:44px;
}
.field input::placeholder,.field textarea::placeholder{color:#9A93B8}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--purple);background:#fff;
  box-shadow:0 0 0 4px rgba(108,76,241,.15);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:#E24C4C;box-shadow:0 0 0 4px rgba(226,76,76,.12)}
.field .err{font-size:13px;color:#C93A3A;display:none}
.field.has-error .err{display:block}
.form-actions{grid-column:span 2;margin-top:6px}
.form-actions .btn{width:100%}
.form-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-muted);margin-top:16px}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(47,212,180,.12);border:1px solid rgba(47,212,180,.45);
  color:#0b7a63;font-size:14px;font-weight:600;
}
.form-success.is-visible{display:block}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:48px;
  background:linear-gradient(120deg,#171034 0%,#221A46 100%);
  border:1px solid var(--line-dark);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-dark);
}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-star)}
.cta-band h2{font-size:28px;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text-on-dark-muted);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:var(--text-on-dark-muted);padding:76px 0 30px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:18px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--text-on-dark-muted);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{display:inline-block;font-size:14px;color:var(--text-on-dark-muted)}
.footer-col ul a:hover{color:#D9CEFF;transform:translateX(2px)}
.footer-contact li{font-size:14px;line-height:1.7}
.footer-contact strong{display:inline-block;min-width:74px;color:#fff;font-weight:600}
.footer-bottom{
  margin-top:52px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(185,177,218,.8);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .page-hero h1{font-size:42px}
  .service-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;border-radius:24px;
    background:rgba(14,10,31,.97);
    border:1px solid var(--line-dark);
    box-shadow:0 24px 60px rgba(0,0,0,.5);
    display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:13px 16px;font-size:15.5px;border-radius:14px;min-height:48px}
  .nav-link.is-active::after{left:16px;right:auto;width:22px;bottom:8px}
  .nav-toggle{display:grid;margin-left:auto}
  .nav-cta{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:150px 0 76px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .service-card.feature{grid-column:span 2;grid-row:auto}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media img{height:340px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .support-layout{grid-template-columns:1fr;gap:36px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:22px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .container{padding:0 20px}
  .page-hero{padding:132px 0 60px}
  .page-hero h1{font-size:31px;line-height:1.28}
  .section-head h2,.split-body h2,.faq-aside h2,.support-intro h2{font-size:24px;line-height:1.4}
  .metric-grid{grid-template-columns:1fr 1fr;gap:16px}
  .service-grid{grid-template-columns:1fr;gap:18px}
  .service-card.feature{grid-column:span 1}
  .service-card.feature .feature-media{height:180px}
  .timeline{grid-template-columns:1fr;gap:20px}
  .form-grid{grid-template-columns:1fr}
  .field.full,.form-actions{grid-column:span 1}
  .form-card{padding:24px}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:22px}
  .split-media img{height:260px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .metric-value{font-size:30px}
  .brand-name{font-size:15px}
}
@media (max-width:520px){
  .nav-shell{padding:9px 12px 9px 14px;gap:10px}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .brand-mark svg{width:16px;height:16px}
  .brand-name{font-size:13.5px;max-width:132px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hero-actions .btn{width:100%}
  .metric-grid{grid-template-columns:1fr}
  .metric-card{padding:22px 20px 22px 24px}
  .faq-item summary{padding:18px 18px}
  .faq-body{padding:0 18px 20px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}