/* roulang page: index */
:root{
  --c-primary:#3A2A7D;
  --c-deep:#16103C;
  --c-primary-soft:#6A55C8;
  --c-tint:#EDEAF9;
  --c-accent:#2ED3B7;
  --c-glow:#FFB454;
  --c-paper:#F6F5FB;
  --c-card:#FFFFFF;
  --c-line:#E6E3F2;
  --c-ink:#1C1A33;
  --c-ink-2:#5A5776;
  --c-invert:#F4F2FF;
  --grad-deep:linear-gradient(135deg,#16103C 0%,#3A2A7D 58%,#5B3FA8 100%);
  --grad-soft:linear-gradient(120deg,#EDEAF9 0%,#F7F5FF 60%,#E8FBF6 100%);
  --r-lg:24px; --r-md:16px; --r-sm:14px; --r-pill:999px; --r-input:12px;
  --sh-1:0 2px 8px rgba(22,16,60,.06);
  --sh-2:0 12px 32px rgba(22,16,60,.10);
  --sh-3:0 24px 56px rgba(22,16,60,.18);
  --sh-deep:0 18px 44px rgba(58,42,125,.28);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-paper);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),transform var(--ease),background var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--white{background:#fff}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:80;padding:12px 24px 0}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--sh-2);
  padding:10px 14px;
  transition:padding var(--ease),box-shadow var(--ease);
}
.nav-shell.is-compact{padding:6px 14px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-deep);
  display:grid;place-items:center;color:var(--c-glow);flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;fill:currentColor}
.brand-text{display:flex;flex-direction:column;line-height:1.3;white-space:nowrap}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-ink-2)}
.nav-cards{display:flex;gap:10px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding:2px}
.nav-cards::-webkit-scrollbar{display:none}
.nav-card{
  width:96px;height:56px;flex:0 0 auto;
  border-radius:var(--r-sm);background:#F3F1FB;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:12px;color:var(--c-ink-2);position:relative;overflow:hidden;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.nav-card svg{width:16px;height:16px;stroke:var(--c-primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-card::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--c-glow),var(--c-accent));
  transition:height var(--ease);
}
.nav-card:hover{background:var(--c-tint);transform:translateY(-2px);color:var(--c-primary)}
.nav-card:hover::before{height:58%}
.nav-card.is-active{background:#E6FBF5;border:1.5px solid var(--c-accent);color:var(--c-primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-more{
  font-size:14px;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;
}
.link-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.link-more:hover{color:var(--c-primary-soft)}
.link-more:hover svg{transform:translateX(4px)}
.site-head.is-compact .nav-cards{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad-deep);color:var(--c-invert);box-shadow:var(--sh-deep)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 2px var(--c-accent),0 18px 40px rgba(58,42,125,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border:1.5px solid rgba(244,242,255,.55);color:var(--c-invert)}
.btn-ghost:hover{background:rgba(244,242,255,.14);border-color:var(--c-accent)}
.btn-outline{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-tint);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 22px;font-size:14px}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--grad-deep);color:var(--c-invert);border-radius:0 0 32px 32px;overflow:hidden;margin-top:16px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    radial-gradient(rgba(244,242,255,.30) 1px,transparent 1px),
    radial-gradient(rgba(46,211,183,.26) 1px,transparent 1px);
  background-size:130px 130px,190px 190px;
  background-position:0 0,70px 90px;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:84px 24px 104px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(46,211,183,.14);border:1px solid rgba(46,211,183,.42);
  color:#BDF6EB;font-size:13px;letter-spacing:.01em;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
h1{font-size:42px;line-height:1.35;font-weight:700;margin-top:22px;letter-spacing:.01em}
h1 .hl{position:relative;display:inline-block}
h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;border-radius:6px;
  background:linear-gradient(90deg,rgba(255,180,84,.55),rgba(46,211,183,.35));z-index:-1;
}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(244,242,255,.84);margin-top:20px;max-width:560px}
.hero-chips{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-chips li{font-size:14px;color:rgba(244,242,255,.88);display:inline-flex;align-items:center;gap:8px}
.hero-chips li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-glow);flex:0 0 auto}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;box-shadow:var(--sh-3);background:var(--c-tint)}
.float-badges{position:absolute;right:-10px;bottom:-24px;display:flex;gap:12px}
.badge{
  background:rgba(255,255,255,.12);border:1px solid rgba(244,242,255,.3);
  border-radius:18px;padding:12px 18px;min-width:118px;
}
.badge b{display:block;font-size:24px;line-height:1.25;color:var(--c-glow);font-weight:700}
.badge span{font-size:12px;color:rgba(244,242,255,.82)}

/* ---------- 实时状态条 ---------- */
.live-band{padding:0 24px;margin-top:-30px;position:relative;z-index:6}
.live-row{
  max-width:1200px;margin:0 auto;background:#fff;border:1px solid var(--c-line);
  border-radius:20px;box-shadow:var(--sh-2);padding:18px 26px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.live-pulse{
  width:10px;height:10px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(46,211,183,.5);animation:livePulse 2.2s infinite;
}
@keyframes livePulse{
  0%{box-shadow:0 0 0 0 rgba(46,211,183,.45)}
  70%{box-shadow:0 0 0 12px rgba(46,211,183,0)}
  100%{box-shadow:0 0 0 0 rgba(46,211,183,0)}
}
.live-text{font-size:15px;color:var(--c-ink-2)}
.live-text strong{color:var(--c-primary)}
.live-nodes{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap}
.live-node{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-tint);color:var(--c-ink-2);display:inline-flex;align-items:center;gap:7px;
}
.live-node i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.live-node.is-warn i{background:var(--c-glow)}

/* ---------- 主张条 ---------- */
.claims{background:var(--grad-soft);padding:36px 0;margin-top:56px}
.claims-inner{position:relative;padding-left:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.claims-inner::before{
  content:"";position:absolute;left:0;top:2px;bottom:2px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--c-glow),var(--c-accent));
}
.claim{font-size:15px;line-height:1.75;color:var(--c-ink)}
.claim b{color:var(--c-primary)}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-eyebrow{display:block;font-size:13px;color:var(--c-primary-soft);margin-bottom:10px;letter-spacing:.02em}
.sec-head h2{font-size:30px;line-height:1.4;font-weight:700}
.sec-head h2::after{
  content:"";display:block;width:32px;height:3px;border-radius:3px;margin-top:12px;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent));
}
.sec-desc{font-size:15px;color:var(--c-ink-2);max-width:640px;margin-top:12px}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px;align-items:start}
.cat-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:24px;
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.cat-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;opacity:0;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent));transition:opacity var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.cat-card:hover::after{opacity:1}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--c-tint)}
.cat-body{padding:26px}
.cat-body h3{font-size:21px;font-weight:700;margin:12px 0 10px}
.cat-body p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.cat-tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-tint);color:var(--c-primary);font-size:12px;
}
.cat-card--lead{background:var(--grad-deep);color:var(--c-invert);border-color:transparent;box-shadow:var(--sh-deep)}
.cat-card--lead .cat-tag{background:rgba(46,211,183,.16);color:#BDF6EB}
.cat-card--lead .cat-body p{color:rgba(244,242,255,.8)}
.cat-card--lead .link-arrow{color:var(--c-invert)}
.cat-card--lead:hover{box-shadow:0 26px 60px rgba(58,42,125,.4)}
.cat-card--offset{margin-top:28px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:var(--c-primary);margin-top:18px;
}
.link-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease)}
.cat-card:hover .link-arrow svg,.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 故事 ---------- */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.story-media{position:relative}
.story-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;box-shadow:var(--sh-2);background:var(--c-tint)}
.story-badge{
  position:absolute;left:-14px;bottom:26px;background:#fff;border:1px solid var(--c-line);
  border-radius:18px;padding:14px 20px;box-shadow:var(--sh-2);
}
.story-badge b{display:block;font-size:24px;color:var(--c-glow);line-height:1.25;font-weight:700}
.story-badge span{font-size:12px;color:var(--c-ink-2)}
.story-copy h2{font-size:30px;font-weight:700;line-height:1.4}
.story-copy p{font-size:16px;line-height:1.85;color:var(--c-ink-2);margin-top:18px}
.num-list{margin-top:26px}
.num-list li{display:flex;gap:14px;margin-top:16px;align-items:flex-start}
.num-list em{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  background:var(--c-tint);border:1px solid #D9D3F2;color:#C77E22;
  font-style:normal;font-weight:700;display:grid;place-items:center;font-size:14px;
}
.num-list strong{display:block;font-size:16px;font-weight:600}
.num-list span{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ---------- 精选内容 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.feature-main{
  background:var(--grad-deep);color:var(--c-invert);border-radius:24px;overflow:hidden;
  box-shadow:var(--sh-deep);display:flex;flex-direction:column;
}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.9;background:var(--c-primary)}
.feature-main .fb{padding:30px}
.feature-main h3{font-size:23px;font-weight:700;line-height:1.45;margin:12px 0 12px}
.feature-main p{font-size:14px;line-height:1.8;color:rgba(244,242,255,.82)}
.feature-side{display:grid;gap:24px}
.feature-mini{
  display:grid;grid-template-columns:120px 1fr;gap:18px;background:#fff;border:1px solid var(--c-line);
  border-radius:20px;padding:18px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.feature-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-mini img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:var(--c-tint)}
.feature-mini h4{font-size:17px;font-weight:600;line-height:1.5}
.feature-mini p{font-size:14px;color:var(--c-ink-2);line-height:1.7;margin-top:8px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-chip{
  padding:8px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);transition:all var(--ease);
}
.filter-chip:hover{border-color:var(--c-primary-soft);color:var(--c-primary)}
.filter-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:var(--c-invert)}

/* ---------- CMS 列表 ---------- */
.cms-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cms-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:20px;padding:20px;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.cms-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cms-date{
  width:66px;border-radius:16px;background:var(--c-tint);text-align:center;padding:10px 0;
  display:flex;flex-direction:column;justify-content:center;
}
.cms-date b{display:block;font-size:22px;line-height:1.2;color:#C77E22;font-weight:700}
.cms-date span{font-size:12px;color:var(--c-ink-2)}
.cms-item h3{font-size:17px;font-weight:600;line-height:1.55}
.cms-item p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:13px;color:var(--c-ink-2);flex-wrap:wrap}
.cms-meta .chip{padding:3px 12px;border-radius:var(--r-pill);background:var(--c-tint);color:var(--c-primary);font-size:12px}
.cms-meta .arrow{margin-left:auto;color:var(--c-primary)}
.cms-empty{
  border:1.5px dashed #CFC8EC;border-radius:24px;background:#fff;
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:var(--c-ink-2);font-size:14px;padding:32px;text-align:center;
}
.cms-empty svg{width:36px;height:36px;stroke:var(--c-primary-soft);fill:none;stroke-width:1.4;stroke-linejoin:round}

/* ---------- 数据徽章带 ---------- */
.stat-band{
  background:#fff;border:1px solid var(--c-line);border-radius:24px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(4,1fr);margin-top:40px;
}
.stat-item{padding:30px 20px;text-align:center;border-right:1px dashed var(--c-line)}
.stat-item:last-child{border-right:0}
.stat-item b{display:block;font-size:30px;line-height:1.3;color:#C77E22;font-weight:700}
.stat-item span{font-size:12px;color:var(--c-ink-2)}

/* ---------- 排行表 ---------- */
.rank-table{background:#fff;border:1px solid var(--c-line);border-radius:24px;box-shadow:var(--sh-1);overflow:hidden}
.rank-row{
  display:grid;grid-template-columns:60px 1.4fr 1fr 92px;align-items:center;gap:18px;
  padding:18px 26px;border-top:1px solid var(--c-line);
}
.rank-row:first-child{border-top:0;background:var(--c-tint)}
.rank-row > span:first-child{font-size:18px;font-weight:700;color:#C77E22}
.rank-name{font-size:15px;font-weight:600}
.rank-note{font-size:13px;color:var(--c-ink-2)}
.rank-bar{height:8px;border-radius:var(--r-pill);background:var(--c-tint);overflow:hidden;margin-top:8px}
.rank-bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary-soft),var(--c-accent))}
.rank-state{font-size:13px;color:var(--c-primary);text-align:right}

/* ---------- 信任背书 ---------- */
.trust-row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:36px}
.trust-pill{
  display:inline-flex;align-items:center;gap:10px;background:var(--c-tint);
  border-radius:var(--r-pill);padding:12px 20px;font-size:14px;color:var(--c-primary);
}
.trust-pill svg{width:16px;height:16px;stroke:var(--c-primary-soft);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.review-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  min-width:328px;scroll-snap-align:start;background:#fff;border:1px solid var(--c-line);
  border-radius:20px;padding:26px;box-shadow:var(--sh-1);
}
.review-card svg{width:26px;height:26px;stroke:var(--c-primary-soft);fill:none;stroke-width:1.6}
.review-card p{font-size:14px;line-height:1.85;color:var(--c-ink-2);margin-top:14px}
.review-who{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));flex:0 0 auto}
.review-who strong{display:block;font-size:14px;font-weight:600}
.review-who span{font-size:12px;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-card{background:#fff;border:1px solid var(--c-line);border-radius:24px;box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 28px;font-size:16px;font-weight:600;text-align:left;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;border:1.5px solid var(--c-primary);
  color:var(--c-primary);display:grid;place-items:center;flex:0 0 auto;
  font-size:16px;line-height:1;transition:all var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms ease}
.faq-a p{padding:0 68px 22px 28px;font-size:14px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--grad-deep);border-radius:24px;box-shadow:var(--sh-deep);color:var(--c-invert);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-card h2{font-size:28px;font-weight:700;line-height:1.4}
.cta-card p{font-size:15px;color:rgba(244,242,255,.8);margin-top:12px;max-width:460px}
.cta-side{flex:1;min-width:340px}
.cta-form{
  display:flex;gap:10px;background:rgba(255,255,255,.1);padding:8px;border-radius:var(--r-pill);
  border:1px solid rgba(244,242,255,.22);
}
.cta-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--r-pill);border:1.5px solid transparent;
  padding:0 20px;background:#fff;color:var(--c-ink);font-size:14px;font-family:inherit;
}
.cta-form input::placeholder{color:#9C98B5}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(46,211,183,.25)}
.cta-note{font-size:12px;color:rgba(244,242,255,.66);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-deep);color:var(--c-invert);margin-top:96px;position:relative;padding:64px 0 28px}
.site-foot::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent),transparent);
}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{border-radius:10px}
.foot-grid p{font-size:14px;line-height:1.85;color:rgba(244,242,255,.68)}
.foot-title{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--c-invert)}
.foot-links a{display:block;font-size:14px;color:rgba(244,242,255,.7);padding:6px 0}
.foot-links a:hover{color:var(--c-accent);transform:translateX(-2px)}
.foot-note{font-size:13px;color:rgba(244,242,255,.6);line-height:1.85}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(244,242,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:64px 24px 88px}
  .hero-sub{max-width:none}
  .float-badges{position:static;margin-top:16px;justify-content:flex-start}
  .claim-grid,.claims-inner{grid-template-columns:1fr;gap:18px}
  .cat-grid{grid-template-columns:1fr 1fr}
  .cat-card--lead{grid-column:span 2}
  .cat-card--offset{margin-top:0}
  .story-grid,.feature-grid,.faq-grid{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-actions .link-more{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  h1{font-size:30px}
  .hero-sub{font-size:17px}
  .sec-head h2,.story-copy h2,.cta-card h2{font-size:24px}
  .site-head{padding:10px 12px 0}
  .nav-shell{border-radius:18px;gap:10px;padding:8px 10px}
  .nav-cards{order:3;width:100%;margin-left:0;padding-bottom:4px;
    -webkit-mask-image:linear-gradient(90deg,#000 86%,transparent);
    mask-image:linear-gradient(90deg,#000 86%,transparent);}
  .nav-shell{flex-wrap:wrap}
  .nav-actions{margin-left:auto}
  .nav-actions .btn{height:42px;padding:0 18px;font-size:14px}
  .cms-list{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px dashed var(--c-line)}
  .rank-row{grid-template-columns:40px 1fr 84px;padding:16px 18px}
  .rank-row .rank-meter{grid-column:2/4}
  .feature-mini{grid-template-columns:100px 1fr}
  .cta-card{padding:30px}
  .cta-side{min-width:0;width:100%}
  .cta-form{flex-direction:column;border-radius:20px;padding:12px}
  .cta-form .btn{width:100%}
  .review-card{min-width:280px}
  .faq-a p{padding:0 24px 20px 24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:13px}
  .hero-inner{padding:48px 16px 76px}
  .hero-btns .btn{width:100%}
  .cat-grid{grid-template-columns:1fr}
  .cat-card--lead{grid-column:span 1}
  .foot-grid{grid-template-columns:1fr}
  .review-track{padding-bottom:16px}
  .stat-item{padding:22px 12px}
  .stat-item b{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --c-primary:#3A2A7D;
  --c-deep:#16103C;
  --c-primary-soft:#6A55C8;
  --c-tint:#EDEAF9;
  --c-accent:#2ED3B7;
  --c-glow:#FFB454;
  --c-paper:#F6F5FB;
  --c-card:#FFFFFF;
  --c-line:#E6E3F2;
  --c-ink:#1C1A33;
  --c-ink-2:#5A5776;
  --c-reverse:#F4F2FF;
  --grad-deep:linear-gradient(135deg,#16103C 0%,#3A2A7D 58%,#5B3FA8 100%);
  --grad-soft:linear-gradient(120deg,#EDEAF9 0%,#F7F5FF 60%,#E8FBF6 100%);
  --grad-line:linear-gradient(90deg,#FFB454 0%,#2ED3B7 100%);
  --sh-1:0 2px 8px rgba(22,16,60,.06);
  --sh-2:0 12px 32px rgba(22,16,60,.10);
  --sh-3:0 24px 56px rgba(22,16,60,.18);
  --sh-deep:0 20px 48px rgba(58,42,125,.28);
  --r-lg:24px; --r-md:16px; --r-sm:14px; --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  padding:12px 24px 0;
  transition:padding .2s ease-out;
}
.site-head.is-compact{padding-top:6px}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--sh-2);
  padding:10px 16px;
  transition:padding .2s ease-out,box-shadow .2s ease-out;
}
.site-head.is-compact .nav-shell{padding:6px 14px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad-deep);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(58,42,125,.28);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:#FFD9A0;stroke-width:1.5;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-ink-2);letter-spacing:.02em}
.nav-cards{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-card{
  width:96px;height:56px;border-radius:var(--r-sm);
  background:#F3F1FB;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  position:relative;overflow:hidden;
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
}
.nav-card svg{width:16px;height:16px;fill:none;stroke:var(--c-primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-card span{font-size:12px;color:var(--c-ink-2)}
.nav-card::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;
  background:var(--grad-line);transition:height .2s ease-out;
}
.nav-card:hover{background:var(--c-tint);transform:translateY(-2px);box-shadow:var(--sh-1)}
.nav-card:hover::before{height:24px}
.nav-card.is-active{
  background:#E4FAF5;
  border:1.5px solid var(--c-accent);
  box-shadow:0 4px 14px rgba(46,211,183,.22);
}
.nav-card.is-active::before{height:26px}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:none;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.btn-primary{
  background:var(--grad-deep);color:#fff;
  box-shadow:0 10px 24px rgba(58,42,125,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(58,42,125,.34),0 0 0 2px rgba(46,211,183,.55);
}
.btn-primary:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 18px;font-size:13px}
.btn-ghost{
  background:#fff;color:var(--c-primary);
  border:1.5px solid var(--c-primary);
}
.btn-ghost:hover{background:var(--c-tint)}
.btn-ghost:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--c-primary-soft);font-weight:600;
}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- 面包屑 / 页头 ---------- */
.crumb-band{
  background:var(--grad-soft);
  border-bottom:1px solid var(--c-line);
  padding:26px 0 34px;
  margin-top:18px;
  border-radius:0 0 32px 32px;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-ink-2);
}
.crumb a{color:var(--c-ink-2);transition:color .18s ease-out}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#B9B4D2}
.crumb .now{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px}
.article-head{margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--c-line);
  font-size:13px;color:var(--c-primary);font-weight:600;
}
.chip-tint{background:var(--c-tint);border-color:#DCD5F4}
.article-head h1{
  font-size:42px;line-height:1.35;font-weight:700;letter-spacing:.01em;
  margin:16px 0 0;max-width:900px;
}
.brand-dash{display:inline-block;width:32px;height:3px;border-radius:3px;background:var(--grad-line);vertical-align:middle;margin-left:10px}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--c-ink-2);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6C0DE}
.grad-divider{height:2px;border-radius:2px;background:var(--grad-line);margin-top:22px;max-width:220px}

/* ---------- 文章主体 ---------- */
.read-layout{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:32px;align-items:start;
}
.article-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:28px;
}
.cover-figure{margin:0 0 28px}
.cover-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px;
  background:var(--c-tint);
}
.cover-figure figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px}

.article-body{font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body > * + *{margin-top:20px}
.article-body p{font-size:17px;line-height:1.9}
.article-body h2{
  font-size:26px;line-height:1.4;font-weight:700;margin-top:40px;
  padding-left:14px;position:relative;scroll-margin-top:96px;
}
.article-body h2::before{
  content:'';position:absolute;left:0;top:.28em;
  width:4px;height:20px;border-radius:2px;background:var(--grad-line);
}
.article-body h3{font-size:21px;line-height:1.45;font-weight:600;margin-top:28px;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;margin-top:22px}
.article-body ul{display:grid;gap:10px}
.article-body ul li{position:relative;padding-left:20px}
.article-body ul li::before{
  content:'';position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.article-body ol{display:grid;gap:10px;counter-reset:num}
.article-body ol li{
  position:relative;padding-left:32px;counter-increment:num;
}
.article-body ol li::before{
  content:counter(num,decimal-leading-zero);
  position:absolute;left:0;top:.1em;
  font-size:14px;font-weight:700;color:var(--c-glow);
}
.article-body blockquote{
  margin-top:24px;
  border-left:4px solid var(--c-primary);
  background:var(--c-tint);
  border-radius:0 12px 12px 0;
  padding:18px 22px;
  color:var(--c-ink-2);font-size:16px;line-height:1.85;
}
.article-body blockquote p{font-size:16px;color:var(--c-ink-2)}
.article-body figure img{border-radius:20px;width:100%}
.article-body figure figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;overflow:hidden;
  border:1px solid var(--c-line);border-radius:16px;
  font-size:15px;
}
.article-body thead th{
  background:var(--c-tint);color:var(--c-primary);
  font-weight:600;text-align:left;padding:12px 16px;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:var(--c-paper)}
.article-body a{color:var(--c-primary-soft);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--c-accent)}
.article-body hr{
  border:none;height:1px;background:linear-gradient(90deg,rgba(58,42,125,0),#DCD5F4,rgba(46,211,183,0));
  margin:32px 0;
}
.article-body strong{font-weight:700;color:var(--c-deep)}
.notice-card{
  background:var(--c-tint);border:1px solid #DCD5F4;border-radius:16px;
  padding:18px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:20px;box-shadow:var(--sh-1);padding:22px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--c-deep);margin-bottom:14px;
}
.side-title::after{content:'';flex:1;height:1px;background:var(--c-line)}
.toc-list{display:grid;gap:4px;max-height:320px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;color:var(--c-ink-2);
  padding:8px 10px;border-radius:10px;border-left:3px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.toc-list a:hover{background:var(--c-paper);color:var(--c-primary)}
.toc-list a.is-current{
  border-left-color:var(--c-accent);background:var(--c-paper);
  color:var(--c-primary);font-weight:600;
}
.rel-list{display:grid;gap:14px}
.rel-item{display:grid;gap:6px;padding-bottom:14px;border-bottom:1px dashed var(--c-line)}
.rel-item:last-child{border-bottom:none;padding-bottom:0}
.rel-item a{font-size:14px;font-weight:600;line-height:1.7;color:var(--c-ink);transition:color .18s ease-out}
.rel-item a:hover{color:var(--c-primary-soft)}
.rel-item span{font-size:12px;color:var(--c-ink-2)}
.side-cta{
  background:var(--grad-deep);color:var(--c-reverse);
  border-radius:20px;padding:24px;box-shadow:var(--sh-deep);
}
.side-cta p.t{font-size:17px;font-weight:700;line-height:1.5;color:#fff}
.side-cta p.d{font-size:13px;line-height:1.8;color:rgba(244,242,255,.78);margin-top:8px}
.side-cta .btn{margin-top:16px;width:100%}

/* ---------- 空态 ---------- */
.empty-state{
  border:1.5px dashed #CFC7EA;border-radius:var(--r-lg);
  background:#fff;min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;
}
.empty-state svg{width:40px;height:40px;fill:none;stroke:var(--c-primary-soft);stroke-width:1.3;stroke-linejoin:round}
.empty-state p{font-size:14px;color:var(--c-ink-2)}

/* ---------- 尾部 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tag-row a{
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-tint);color:var(--c-primary);
  font-size:13px;display:inline-flex;align-items:center;
  transition:background .18s ease-out,transform .18s ease-out;
}
.tag-row a:hover{background:#E0DAF6;transform:translateY(-2px)}
.sec-title{font-size:30px;line-height:1.4;font-weight:700;color:var(--c-deep)}
.sec-sub{font-size:15px;color:var(--c-ink-2);margin-top:10px;max-width:620px}
.rel-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px;margin-top:32px}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  display:block;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card::after{
  content:'';position:absolute;left:0;top:0;right:0;height:3px;
  background:var(--grad-line);opacity:0;transition:opacity .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card:hover::after{opacity:1}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--c-tint)}
.card-body{padding:22px}
.card-body h3{font-size:19px;line-height:1.5;font-weight:600}
.card-body p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin-top:10px}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--c-ink-2)}
.card-meta .chip{height:24px;padding:0 10px;font-size:12px;border-color:#E0DAF6;background:var(--c-tint)}
.mini-stack{display:grid;gap:24px}
.mini{flex-direction:row;display:flex;align-items:center;gap:16px}
.mini img{width:120px;flex:0 0 120px;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:var(--c-tint)}
.mini .card-body{padding:18px 18px 18px 0}
.mini .card-body h3{font-size:16px}
.back-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px 24px;box-shadow:var(--sh-1);margin-top:32px;
}
.back-bar p{font-size:14px;color:var(--c-ink-2)}
.back-bar .group{display:flex;flex-wrap:wrap;gap:12px}
.cta-band{
  background:var(--grad-deep);border-radius:var(--r-lg);box-shadow:var(--sh-deep);
  padding:40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:28px;align-items:center;color:var(--c-reverse);
}
.cta-band h2{font-size:26px;line-height:1.45;font-weight:700;color:#fff}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(244,242,255,.78);margin-top:10px}
.cta-form{display:flex;gap:10px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:6px}
.cta-form input{
  flex:1;min-width:0;height:48px;border-radius:12px;border:1.5px solid transparent;
  background:rgba(255,255,255,.92);padding:0 18px;font-size:15px;color:var(--c-ink);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input::placeholder{color:#9C97B5}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(46,211,183,.28)}
.cta-note{font-size:12px;color:rgba(244,242,255,.62);margin-top:12px;grid-column:1 / -1}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;background:var(--c-deep);color:var(--c-reverse);
  border-top:1px solid transparent;
  background-image:var(--grad-deep);
}
.foot-top-divider{height:1px;background:linear-gradient(90deg,rgba(255,180,84,0),#FFB454,#2ED3B7,rgba(46,211,183,0))}
.foot-grid{
  display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:32px;
  padding:64px 0 40px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand strong{font-size:16px;color:#fff}
.site-foot p{font-size:14px;line-height:1.85;color:rgba(244,242,255,.72)}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.foot-links{display:grid;gap:10px}
.foot-links a{font-size:14px;color:rgba(244,242,255,.72);transition:color .18s ease-out,transform .18s ease-out;display:inline-block}
.foot-links a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-note{font-size:13px;line-height:1.85;color:rgba(244,242,255,.66)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  font-size:12px;color:rgba(244,242,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .read-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-cta{grid-column:1 / -1}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:2fr 2fr;gap:28px}
  .cta-band{grid-template-columns:minmax(0,1fr)}
  .article-head h1{font-size:34px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .site-head{padding:8px 12px 0}
  .nav-shell{flex-wrap:wrap;gap:10px;padding:10px 12px;border-radius:18px}
  .nav-cards{order:3;width:100%;margin-left:0;overflow-x:auto;padding-bottom:4px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
    mask-image:linear-gradient(90deg,#000 0,#000 88%,rgba(0,0,0,0) 100%);
    -webkit-mask-image:linear-gradient(90deg,#000 0,#000 88%,rgba(0,0,0,0) 100%);
  }
  .nav-cards::-webkit-scrollbar{display:none}
  .nav-card{flex:0 0 auto}
  .nav-actions{margin-left:auto}
  .article-head h1{font-size:30px}
  .article-card{padding:20px}
  .article-body,.article-body p{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .sidebar{grid-template-columns:minmax(0,1fr)}
  .mini{flex-direction:column;align-items:stretch}
  .mini img{width:100%;flex:none;aspect-ratio:16/10}
  .mini .card-body{padding:18px}
  .cta-band{padding:26px}
  .cta-form{flex-direction:column;border-radius:20px}
  .cta-form input{height:48px}
  .foot-grid{grid-template-columns:minmax(0,1fr);padding:48px 0 32px}
  .btn{max-width:100%}
}
@media (max-width:520px){
  .brand-text strong{font-size:14px}
  .brand-text em{font-size:10px}
  .btn-sm{height:34px;padding:0 14px;font-size:12px}
  .article-head h1{font-size:26px}
  .back-bar{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-primary:#3A2A7D;
  --c-deep:#16103C;
  --c-primary-soft:#6A55C8;
  --c-tint:#EDEAF9;
  --c-accent:#2ED3B7;
  --c-glow:#FFB454;
  --c-paper:#F6F5FB;
  --c-line:#E6E3F2;
  --c-ink:#1C1A33;
  --c-ink-2:#5A5776;
  --c-ink-inv:#F4F2FF;
  --grad-deep:linear-gradient(135deg,#16103C 0%,#3A2A7D 58%,#5B3FA8 100%);
  --grad-soft:linear-gradient(120deg,#EDEAF9 0%,#F7F5FF 60%,#E8FBF6 100%);
  --sh-1:0 2px 8px rgba(22,16,60,.06);
  --sh-2:0 12px 32px rgba(22,16,60,.10);
  --sh-3:0 24px 56px rgba(22,16,60,.18);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-paper);
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.4;letter-spacing:.01em}
p{margin:0 0 16px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  padding:12px 24px 0;
  background:linear-gradient(180deg,#F6F5FB 62%,rgba(246,245,251,0));
}
.nav-shell{
  position:relative;z-index:1;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 16px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--sh-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad-deep);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(58,42,125,.28);
}
.brand-mark svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-text strong{font-size:15px;font-weight:600;color:var(--c-ink)}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2)}

.nav-cards{display:flex;gap:10px;flex:1 1 auto;min-width:0}
.nav-card{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:96px;height:56px;flex:0 0 auto;
  border-radius:var(--r-sm);
  background:#F3F1FB;
  border:1.5px solid transparent;
  color:var(--c-ink-2);font-size:12px;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.nav-card svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-card::before{
  content:"";position:absolute;left:-1.5px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--c-glow),var(--c-accent));
  transition:height .2s ease-out;
}
.nav-card:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px)}
.nav-card:hover::before{height:26px}
.nav-card.is-active{
  background:#E8FBF6;
  border-color:var(--c-accent);
  color:var(--c-primary);
  font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--grad-deep);color:var(--c-ink-inv);box-shadow:0 10px 24px rgba(58,42,125,.28)}
.btn-primary::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(46,211,183,.32),rgba(46,211,183,0));
  opacity:0;transition:opacity .2s ease-out;
}
.btn-primary:hover{transform:translateY(-2px)}
.btn-primary:hover::after{opacity:1}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-tint)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#EFECFB}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 76px;
  background:var(--grad-soft);
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(58,42,125,.10) 1px,transparent 1px);
  background-size:28px 28px;
  opacity:.55;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);margin-bottom:18px}
.crumb a{transition:color .2s ease-out}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--c-primary);border-bottom:1px solid var(--c-accent);padding-bottom:1px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.85);
  border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-primary);
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(46,211,183,.22)}
.hero-copy h1{font-size:clamp(30px,3.4vw,42px);font-weight:700;line-height:1.34;color:var(--c-deep)}
.title-rule{width:32px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--c-glow),var(--c-accent));margin:20px 0}
.lead{font-size:18px;line-height:1.8;color:var(--c-ink-2);max-width:560px}
.pos-note{font-size:14px;color:var(--c-ink-2);margin:14px 0 0}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:14px;color:var(--c-ink-2);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.live-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:12px 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
  font-size:13px;color:var(--c-ink-2);
}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 2.2s infinite}
.live-bar b{color:var(--c-primary);font-weight:600}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(46,211,183,.5)}
  70%{box-shadow:0 0 0 10px rgba(46,211,183,0)}
  100%{box-shadow:0 0 0 0 rgba(46,211,183,0)}
}

.hero-visual{position:relative}
.shot{
  border-radius:20px;overflow:hidden;background:var(--c-tint);
  aspect-ratio:16/10;box-shadow:var(--sh-2);
}
.shot img{width:100%;height:100%;object-fit:cover}
.hero-visual .shot{border-radius:var(--r-lg);box-shadow:var(--sh-3)}
.float-badge{
  position:absolute;
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.float-badge b{font-size:24px;font-weight:700;color:var(--c-glow);line-height:1}
.float-badge span{font-size:12px;color:var(--c-ink-2)}
.badge-a{right:-14px;bottom:34px}
.badge-b{left:-14px;top:26px}
.badge-b b{color:var(--c-accent)}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-white{background:#fff}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);color:var(--c-deep)}
.sec-sub{font-size:15px;color:var(--c-ink-2);max-width:620px;margin:10px 0 0}

/* ---------- 编号矩阵 ---------- */
.matrix{border-top:1px solid var(--c-line)}
.mrow{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--c-line);
}
.mrow.flip .mrow-media{order:-1}
.mnum{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;margin-bottom:16px;
  border-radius:50%;
  background:var(--c-tint);
  font-size:18px;font-weight:700;color:var(--c-glow);
}
.mrow h3{font-size:21px;color:var(--c-deep);margin-bottom:14px}
.mrow p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin-bottom:14px}
.point-list{display:grid;gap:10px;margin:18px 0 20px}
.point-list li{position:relative;padding-left:24px;font-size:15px;color:var(--c-ink-2)}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:50%;
  background:var(--c-tint);border:1.5px solid var(--c-accent);
}
.mrow-media .shot{border-radius:20px;box-shadow:var(--sh-2)}

/* ---------- 数据徽章带 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  padding:32px 24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.stat{text-align:center;padding:0 12px;border-right:1px dashed var(--c-line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:32px;font-weight:700;color:var(--c-glow);line-height:1.25}
.stat span{display:block;font-size:13px;color:var(--c-ink-2);margin-top:4px}
.stat-note{margin:20px 0 0;font-size:14px;color:var(--c-ink-2)}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--c-line);border-radius:20px;
  background:#fff;box-shadow:var(--sh-1);
  overflow-x:auto;
}
table{width:100%;min-width:660px;border-collapse:collapse;font-size:15px}
thead th{
  background:var(--c-tint);color:var(--c-primary);
  text-align:left;font-size:14px;font-weight:600;
  padding:16px 20px;white-space:nowrap;
}
tbody td{padding:16px 20px;border-top:1px solid var(--c-line);color:var(--c-ink-2)}
tbody tr:nth-child(even){background:#F6F5FB}
tbody td strong{color:var(--c-ink);font-weight:600}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
}
.tag i{width:6px;height:6px;border-radius:50%}
.tag-ok{background:#E8FBF6;color:#177F6C;border:1px solid rgba(46,211,183,.5)}
.tag-ok i{background:var(--c-accent)}
.tag-warn{background:#FFF3E2;color:#A2650F;border:1px solid rgba(255,180,84,.6)}
.tag-warn i{background:var(--c-glow)}

/* ---------- 适用卡 ---------- */
.fit-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;margin-top:32px}
.fit-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.fit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.fit-card h3{font-size:19px;color:var(--c-deep);margin-bottom:12px}
.fit-card p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin-bottom:12px}
.fit-card p:last-child{margin-bottom:0}
.fit-list{display:grid;gap:12px;margin-top:6px}
.fit-list li{position:relative;padding-left:24px;font-size:14px;color:var(--c-ink-2)}
.fit-list li::before{
  content:"";position:absolute;left:0;top:8px;
  width:10px;height:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--c-glow),var(--c-accent));
}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:44px;
  border-radius:var(--r-lg);
  background:var(--grad-deep);
  color:var(--c-ink-inv);
  box-shadow:0 24px 56px rgba(58,42,125,.28);
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px)}
.cta-band p{margin:10px 0 0;font-size:15px;color:rgba(244,242,255,.78);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:96px;padding:72px 0 28px;
  background:var(--c-deep);color:var(--c-ink-inv);
}
.site-foot::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-glow),var(--c-accent),transparent);
}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand strong{font-size:16px;font-weight:600}
.site-foot p{font-size:14px;line-height:1.85;color:rgba(244,242,255,.72)}
.foot-title{color:#fff;font-size:15px;font-weight:600;margin:0 0 14px}
.foot-links{display:grid;gap:10px}
.foot-links a{
  display:inline-block;
  font-size:14px;color:rgba(244,242,255,.72);
  transition:color .2s ease-out,transform .2s ease-out;
}
.foot-links a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-note{font-size:14px;color:rgba(244,242,255,.72);line-height:1.85;margin:0}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(244,242,255,.12);
  font-size:13px;color:rgba(244,242,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-shell{flex-wrap:wrap;gap:12px}
  .nav-cards{
    order:3;width:100%;
    overflow-x:auto;padding-bottom:4px;
    scrollbar-width:none;
    -webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);
    mask-image:linear-gradient(90deg,#000 88%,transparent);
  }
  .nav-cards::-webkit-scrollbar{display:none}
  .nav-card{width:88px;height:52px}
  body.is-compact .nav-cards{display:none}
  body.is-compact .nav-shell{padding:8px 14px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:640px}
  .mrow{grid-template-columns:1fr;gap:32px;padding:44px 0}
  .mrow.flip .mrow-media{order:0}
  .fit-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .container{padding:0 16px}
  .site-head{padding:10px 16px 0}
  .page-hero{padding:28px 0 52px}
  .lead{font-size:17px}
  .badge-a{right:0;bottom:16px}
  .badge-b{left:0;top:12px}
  .float-badge{padding:10px 14px}
  .float-badge b{font-size:20px}
  .stat-band{grid-template-columns:1fr 1fr;gap:22px;padding:26px 18px}
  .stat{border-right:none;padding:0 6px}
  .stat:nth-child(odd){border-right:1px dashed var(--c-line)}
  .cta-band{padding:28px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .site-foot{margin-top:64px;padding:56px 0 24px}
}
@media (max-width:520px){
  .brand-text strong{font-size:14px}
  .nav-actions{gap:10px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .stat-band{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .live-dot{box-shadow:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#3A2A7D;
  --c-deep:#16103C;
  --c-primary-soft:#6A55C8;
  --c-tint:#EDEAF9;
  --c-accent:#2ED3B7;
  --c-glow:#FFB454;
  --c-paper:#F6F5FB;
  --c-card:#FFFFFF;
  --c-line:#E6E3F2;
  --c-ink:#1C1A33;
  --c-ink-2:#5A5776;
  --c-invert:#F4F2FF;
  --grad-deep:linear-gradient(135deg,#16103C 0%,#3A2A7D 58%,#5B3FA8 100%);
  --grad-soft:linear-gradient(120deg,#EDEAF9 0%,#F7F5FF 60%,#E8FBF6 100%);
  --sh-1:0 2px 8px rgba(22,16,60,.06);
  --sh-2:0 12px 32px rgba(22,16,60,.10);
  --sh-3:0 24px 56px rgba(22,16,60,.18);
  --r-lg:24px;
  --r-md:16px;
  --r-nav:14px;
  --r-img:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB','system-ui',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}

/* ---------- 导航 ---------- */
.site-head{position:sticky;top:0;z-index:80;padding:12px 24px 0;}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--sh-2);
  padding:10px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:var(--grad-deep);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(58,42,125,.28);
}
.brand-mark svg{width:18px;height:18px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:15px;font-weight:700;color:var(--c-ink);letter-spacing:0;}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-ink-2);}
.nav-cards{display:flex;align-items:center;gap:10px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-cards::-webkit-scrollbar{display:none;}
.nav-card{
  position:relative;flex:none;
  width:96px;height:56px;border-radius:var(--r-nav);
  background:#F3F1FB;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--c-ink-2);
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.nav-card svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.nav-card::before{
  content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-glow),var(--c-accent));
  opacity:0;transition:opacity .2s ease-out;
}
.nav-card:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px);}
.nav-card:hover::before{opacity:1;}
.nav-card.is-active{border:1.5px solid var(--c-accent);background:#E8FBF6;color:var(--c-primary);}
.nav-card.is-active::before{opacity:1;}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none;margin-left:auto;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--c-primary);font-weight:600;
}
.link-more svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out;}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;
  position:relative;overflow:hidden;
}
.btn-primary{background:var(--grad-deep);color:var(--c-invert);box-shadow:0 10px 24px rgba(58,42,125,.28);}
.btn-primary::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(46,211,183,.4),rgba(46,211,183,0));
  opacity:0;transition:opacity .2s ease-out;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 2px var(--c-accent),0 14px 30px rgba(58,42,125,.32);}
.btn-primary:hover::after{opacity:1;}
.btn-primary:active{transform:translateY(1px);}
.btn-primary span{position:relative;z-index:2;}
.btn-ghost{background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-tint);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-invert{background:rgba(255,255,255,.14);border:1.5px solid rgba(244,242,255,.55);color:var(--c-invert);}
.btn-invert:hover{background:rgba(46,211,183,.24);transform:translateY(-2px);box-shadow:0 0 0 2px rgba(46,211,183,.5);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 24px 0;max-width:1200px;margin:0 auto;font-size:14px;color:var(--c-ink-2);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li::after{content:'/';margin-left:8px;color:#BFB9D8;}
.crumbs li:last-child::after{display:none;}
.crumbs li:last-child{color:var(--c-ink-2);text-decoration:underline;text-underline-offset:4px;}

/* ---------- Hero ---------- */
.cat-band{
  margin-top:22px;
  background:var(--grad-deep);
  border-radius:0 0 32px 32px;
  padding:78px 0 88px;
  position:relative;
  overflow:hidden;
  color:var(--c-invert);
}
.cat-band::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  pointer-events:none;
}
.cat-band .container{position:relative;z-index:2;max-width:1080px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(46,211,183,.5);
  font-size:13px;color:#E9FBF6;letter-spacing:.01em;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.cat-band h1{
  margin-top:22px;
  font-size:42px;
  line-height:1.38;
  font-weight:700;
  color:#fff;
  letter-spacing:0;
  max-width:820px;
}
.cat-band h1 b{color:var(--c-glow);font-weight:700;}
.title-rule{display:block;width:32px;height:3px;border-radius:3px;margin-top:20px;background:linear-gradient(90deg,var(--c-glow),var(--c-accent));}
.hero-lead{
  margin-top:22px;font-size:18px;line-height:1.85;color:#DCD7F5;max-width:760px;
}
.hero-loc{
  margin-top:16px;font-size:13px;color:#B7B0DC;
  padding-left:14px;border-left:3px solid rgba(46,211,183,.7);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.hero-chips span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#DCD7F5;}
.hero-chips i{width:6px;height:6px;border-radius:50%;background:var(--c-glow);display:inline-block;}

/* ---------- 步骤条 ---------- */
.steps-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:34px 32px;
  margin-top:-46px;
  position:relative;z-index:5;
}
.steps-title{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:26px;}
.steps-title h2{font-size:21px;font-weight:700;color:var(--c-ink);}
.steps-title span{font-size:13px;color:var(--c-ink-2);}
.steps{display:grid;grid-template-columns:repeat(4,1fr);}
.step{padding-right:18px;}
.step-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.step-dot{
  width:26px;height:26px;border-radius:50%;flex:none;
  border:2px solid var(--c-primary-soft);background:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--c-primary-soft);
}
.step.is-current .step-dot{background:var(--c-accent);border-color:var(--c-accent);color:#0F2E28;}
.step-bar{flex:1;height:0;border-top:2px dashed var(--c-line);}
.step:last-child{padding-right:0;}
.step:last-child .step-bar{display:none;}
.step h3{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.step p{margin-top:8px;font-size:13px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- 实时状态条 ---------- */
.status-bar{
  margin-top:28px;
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:16px 22px;
}
.status-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#E8FBF6;border:1.5px solid var(--c-accent);
  font-size:13px;font-weight:600;color:#146B5B;
}
.status-tag i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.status-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:var(--c-ink-2);}
.status-meta b{color:var(--c-primary);font-weight:700;}
.status-bar .btn{margin-left:auto;}

/* ---------- 步骤卡 ---------- */
.step-cards{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.sc-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:28px;
  position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.sc-item::before{
  content:'';position:absolute;left:0;right:0;top:0;height:3px;border-radius:24px 24px 0 0;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent));
  opacity:0;transition:opacity .2s ease-out;
}
.sc-item:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.sc-item:hover::before{opacity:1;}
.sc-item:nth-child(1){grid-column:span 7;}
.sc-item:nth-child(2){grid-column:span 5;}
.sc-item:nth-child(3){grid-column:span 5;}
.sc-item:nth-child(4){grid-column:span 7;}
.sc-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:#FFF4E4;color:#B87214;
  font-size:15px;font-weight:700;
  border:1.5px solid rgba(255,180,84,.6);
}
.sc-item h3{margin-top:16px;font-size:21px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.sc-item p{margin-top:14px;font-size:14px;line-height:1.85;color:var(--c-ink-2);}
.sc-points{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px;}
.sc-points span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  background:var(--c-tint);color:var(--c-primary);
  font-size:12px;
}
.sc-points span::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--c-accent);}
.card-media{
  margin-top:20px;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/10;background:var(--c-tint);
}
.card-media img{width:100%;height:100%;object-fit:cover;}
.sc-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.sc-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out;}
.sc-link:hover svg{transform:translateX(4px);}

/* ---------- 数据徽章带 ---------- */
.digit-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px 20px;
}
.digit-item{text-align:center;padding:0 18px;border-right:1px dashed var(--c-line);}
.digit-item:last-child{border-right:none;}
.digit-num{font-size:32px;font-weight:700;color:var(--c-glow);line-height:1.2;}
.digit-num small{font-size:15px;font-weight:600;color:var(--c-primary-soft);margin-left:2px;}
.digit-label{margin-top:8px;font-size:13px;color:var(--c-ink-2);}

/* ---------- 检测项说明 ---------- */
.detail-grid{display:grid;grid-template-columns:6fr 5fr;gap:40px;align-items:center;}
.detail-copy h2{font-size:30px;font-weight:700;line-height:1.45;color:var(--c-ink);}
.detail-copy p{margin-top:18px;font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.detail-list{margin-top:24px;display:grid;gap:14px;}
.detail-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-1);
  font-size:14px;color:var(--c-ink-2);line-height:1.75;
}
.detail-list li b{color:var(--c-ink);font-weight:600;display:block;margin-bottom:2px;}
.detail-list li i{
  width:24px;height:24px;border-radius:50%;flex:none;margin-top:2px;
  background:var(--c-tint);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;font-style:normal;
}
.detail-media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;
  background:var(--c-tint);box-shadow:var(--sh-2);
}
.detail-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.faq-intro h2{font-size:30px;font-weight:700;line-height:1.45;color:var(--c-ink);}
.faq-intro p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.faq-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-top:1px solid var(--c-line);}
.faq-item:first-child{border-top:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:background .2s ease-out;
}
.faq-q:hover{background:#FAF9FE;}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex:none;position:relative;
  border:1.5px solid var(--c-primary);background:#fff;
  transition:background .2s ease-out;
}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .2s ease-out,background .2s ease-out;}
.faq-icon::before{left:6px;right:6px;top:50%;height:2px;transform:translateY(-50%);}
.faq-icon::after{top:6px;bottom:6px;left:50%;width:2px;transform:translateX(-50%);}
.faq-item.is-open .faq-icon{background:var(--c-primary);}
.faq-item.is-open .faq-icon::before{background:#fff;}
.faq-item.is-open .faq-icon::after{transform:translateX(-50%) scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 26px 22px 46px;font-size:14px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--grad-deep);border-radius:var(--r-lg);
  padding:44px 40px;color:var(--c-invert);
  box-shadow:0 24px 56px rgba(58,42,125,.28);
  display:grid;grid-template-columns:6fr 5fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-card::before{
  content:'';position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,211,183,.32),transparent 68%);
}
.cta-card h2{font-size:28px;font-weight:700;line-height:1.45;color:#fff;position:relative;}
.cta-card p{margin-top:14px;font-size:15px;line-height:1.85;color:#D6D1F0;position:relative;}
.cta-form{position:relative;}
.cta-row{
  display:flex;gap:10px;background:rgba(255,255,255,.1);
  border:1.5px solid rgba(244,242,255,.35);
  border-radius:999px;padding:6px;
}
.cta-row input{
  flex:1;min-width:0;height:44px;border-radius:999px;border:1.5px solid transparent;
  background:rgba(255,255,255,.95);color:var(--c-ink);padding:0 18px;font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.cta-row input::placeholder{color:#8E89A8;}
.cta-row input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(46,211,183,.28);}
.cta-hint{margin-top:14px;font-size:12px;color:#B7B0DC;}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;
  background:var(--c-deep);
  color:var(--c-invert);
  border-top:1px solid transparent;
  background-image:var(--grad-deep);
  position:relative;
}
.site-foot::before{
  content:'';position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent));
}
.foot-grid{
  display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:40px;
  padding:64px 0 40px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand strong{font-size:16px;color:#fff;font-weight:700;}
.site-foot p{font-size:14px;line-height:1.85;color:#C8C3E6;}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:12px;}
.foot-links a{font-size:14px;color:#C8C3E6;transition:color .2s ease-out,transform .2s ease-out;display:inline-block;}
.foot-links a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-note{font-size:14px;line-height:1.85;color:#C8C3E6;}
.foot-bottom{
  border-top:1px solid rgba(244,242,255,.14);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#A9A3CC;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .cat-band h1{font-size:34px;}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .step{padding-right:0;}
  .step-bar{display:none;}
  .sc-item:nth-child(1),.sc-item:nth-child(2),
  .sc-item:nth-child(3),.sc-item:nth-child(4){grid-column:span 12;}
  .detail-grid{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;gap:26px;padding:36px 28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-head.is-compact .nav-cards{display:none;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .crumbs{padding:20px 16px 0;}
  .site-head{padding:10px 12px 0;}
  .nav-shell{gap:10px;padding:9px 12px;border-radius:18px;}
  .brand-text strong{font-size:13px;}
  .brand-text em{display:none;}
  .nav-cards{
    -webkit-mask-image:linear-gradient(90deg,#000 86%,transparent);
    mask-image:linear-gradient(90deg,#000 86%,transparent);
    padding-right:18px;
  }
  .nav-actions .link-more{display:none;}
  .cat-band{padding:52px 0 62px;border-radius:0 0 24px 24px;margin-top:16px;}
  .cat-band h1{font-size:30px;}
  .hero-lead{font-size:17px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-chips{gap:14px;}
  .steps-card{padding:24px 18px;margin-top:-36px;}
  .steps{grid-template-columns:1fr;row-gap:22px;}
  .digit-band{grid-template-columns:1fr 1fr;row-gap:26px;padding:26px 12px;}
  .digit-item{border-right:none;}
  .digit-item:nth-child(odd){border-right:1px dashed var(--c-line);}
  .digit-num{font-size:26px;}
  .detail-copy h2,.faq-intro h2{font-size:24px;}
  .cta-card h2{font-size:23px;}
  .cta-row{flex-direction:column;border-radius:22px;}
  .cta-row input{width:100%;}
  .cta-row .btn{width:100%;}
  .status-bar{padding:16px;}
  .status-bar .btn{margin-left:0;width:100%;}
  .foot-grid{grid-template-columns:1fr;padding:48px 0 32px;gap:28px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px 42px;}
}
@media (max-width:520px){
  .cat-band h1{font-size:26px;}
  .sc-item{padding:20px;}
  .digit-num{font-size:23px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#3A2A7D;
  --c-deep:#16103C;
  --c-primary-soft:#6A55C8;
  --c-tint:#EDEAF9;
  --c-accent:#2ED3B7;
  --c-glow:#FFB454;
  --c-paper:#F6F5FB;
  --c-card:#FFFFFF;
  --c-line:#E6E3F2;
  --c-ink:#1C1A33;
  --c-ink-2:#5A5776;
  --c-invert:#F4F2FF;
  --grad-deep:linear-gradient(135deg,#16103C 0%,#3A2A7D 58%,#5B3FA8 100%);
  --grad-soft:linear-gradient(120deg,#EDEAF9 0%,#F7F5FF 60%,#E8FBF6 100%);
  --r-lg:24px; --r-md:16px; --r-sm:14px; --r-pill:999px; --r-input:12px; --r-img:20px;
  --sh-1:0 2px 8px rgba(22,16,60,.06);
  --sh-2:0 12px 32px rgba(22,16,60,.10);
  --sh-3:0 24px 56px rgba(22,16,60,.18);
  --sh-brand:0 18px 44px rgba(58,42,125,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-paper);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.42;letter-spacing:0}
h1{font-size:42px}
h2{font-size:30px}
h3{font-size:21px}
h4{font-size:17px}
p{margin:0}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.title-rule{display:block;width:32px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--c-glow),var(--c-accent));margin-top:16px}

/* ============ 顶部导航 ============ */
.site-head{
  position:sticky;top:0;z-index:60;
  padding:12px 24px 16px;
  background:linear-gradient(180deg,rgba(246,245,251,1) 0%,rgba(246,245,251,.94) 62%,rgba(246,245,251,0) 100%);
}
.nav-shell{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--sh-2);
  padding:10px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:4px 6px;border-radius:16px}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background-image:var(--grad-deep);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(58,42,125,.28);
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;fill:#FFFFFF;stroke:none}
.brand-text{display:block;line-height:1.3}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--c-primary)}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--c-ink-2)}
.nav-cards{display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:0}
.nav-card{
  position:relative;
  width:96px;height:56px;flex:0 0 auto;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border-radius:var(--r-sm);
  background:#F3F1FB;
  border:1.5px solid transparent;
  font-size:12.5px;color:var(--c-ink-2);
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.nav-card svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-card::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-glow),var(--c-accent));
  opacity:0;transition:opacity .2s ease-out;
}
.nav-card:hover{background:var(--c-tint);color:var(--c-primary);transform:translateY(-2px)}
.nav-card:hover::before{opacity:1}
.nav-card.is-active{
  border-color:var(--c-accent);
  background:#E8FBF6;
  color:var(--c-primary);
  font-weight:600;
}
.nav-card.is-active::before{opacity:1}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background-image:var(--grad-deep);color:var(--c-invert);box-shadow:0 12px 26px rgba(58,42,125,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(58,42,125,.34),0 0 0 2px rgba(46,211,183,.75)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#FFFFFF;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-tint);transform:translateY(-2px)}
.btn-light{background:#FFFFFF;color:var(--c-primary)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 0 0 2px rgba(46,211,183,.85),0 14px 28px rgba(22,16,60,.22)}
.btn-outline-light{background:rgba(255,255,255,.10);border-color:rgba(244,242,255,.55);color:var(--c-invert)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease-out}
.link-more:hover svg{transform:translateX(4px)}

/* ============ 页面顶部 ============ */
.page-top{position:relative;overflow:hidden;background-image:var(--grad-soft);padding:8px 0 64px}
.page-top::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.75;
  background-image:radial-gradient(circle,rgba(58,42,125,.16) 1.2px,transparent 1.2px),radial-gradient(circle,rgba(46,211,183,.20) 1.2px,transparent 1.2px);
  background-size:190px 190px,250px 250px;
  background-position:0 0,95px 130px;
}
.page-top .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);padding:14px 0 26px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--c-ink-2);text-decoration:underline;text-underline-offset:4px}
.top-grid{display:grid;grid-template-columns:1.32fr .9fr;gap:40px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);border:1.5px solid var(--c-line);
  font-size:13px;color:var(--c-primary);font-weight:600;
  box-shadow:var(--sh-1);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.top-grid h1{margin-top:20px;color:var(--c-deep)}
.lede{margin-top:20px;font-size:18px;line-height:1.85;color:var(--c-ink-2);max-width:640px}
.pos-note{
  margin-top:24px;display:flex;gap:12px;align-items:flex-start;
  background:rgba(255,255,255,.82);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 20px;font-size:14px;color:var(--c-ink-2);max-width:620px;
}
.pos-note strong{color:var(--c-primary);font-weight:600}
.pos-note svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--c-primary-soft);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.top-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);border:6px solid #FFFFFF}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.float-badge{
  position:absolute;right:16px;bottom:16px;
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.96);border:1.5px solid var(--c-line);
  border-radius:var(--r-pill);padding:7px 16px;box-shadow:var(--sh-2);
}
.float-badge b{font-size:22px;color:var(--c-glow);line-height:1}
.float-badge span{font-size:12.5px;color:var(--c-ink-2)}

/* ============ 通用区块 ============ */
.sec{padding:88px 0 0}
.sec-head{margin-bottom:34px}
.sec-head h2{color:var(--c-deep)}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--c-ink-2);max-width:720px}
.divider{height:1px;background:linear-gradient(90deg,var(--c-glow),rgba(46,211,183,.5),transparent)}

/* ============ 双栏文档区 ============ */
.doc-layout{display:grid;grid-template-columns:272px minmax(0,1fr);gap:32px;align-items:start}
.anchor-card{
  position:sticky;top:104px;
  background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-img);
  box-shadow:var(--sh-1);padding:18px;
}
.anchor-title{font-size:13px;font-weight:600;color:var(--c-ink-2);letter-spacing:.02em;margin-bottom:12px}
.anchor-list{display:flex;flex-direction:column;gap:4px}
.anchor-list a{
  display:block;padding:11px 12px 11px 14px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-ink-2);
  border-left:3px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.anchor-list a:hover{background:var(--c-tint);color:var(--c-primary);border-left-color:var(--c-primary-soft);transform:translateX(2px)}
.anchor-list a.is-current{background:#E8FBF6;color:var(--c-primary);border-left-color:var(--c-accent);font-weight:600}
.anchor-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2)}
.anchor-foot b{display:block;font-size:20px;color:var(--c-glow);line-height:1.3}

.doc-cards{display:flex;flex-direction:column;gap:22px}
.doc-card{
  position:relative;
  background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
  scroll-margin-top:110px;
}
.doc-card::after{
  content:"";position:absolute;left:32px;right:32px;top:0;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent));
  opacity:0;transition:opacity .2s ease-out;
}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.doc-card:hover::after{opacity:1}
.doc-card h3{color:var(--c-deep);display:flex;align-items:center;gap:10px}
.doc-card h3 .num{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-tint);border:1.5px solid #DAD4F2;
  font-size:14px;color:var(--c-glow);font-weight:700;
}
.doc-card p{margin-top:16px;font-size:16px;color:var(--c-ink-2);line-height:1.85}
.doc-card p strong{color:var(--c-primary);font-weight:600}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-tint);border:1px solid #DCD6F4;
  font-size:13px;color:var(--c-primary);
}
.chip.accent{background:#E8FBF6;border-color:#BFEFE4;color:#1B7F6C}
.doc-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.doc-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2);line-height:1.85}
.doc-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(46,211,183,.16);
}
.doc-table-wrap{margin-top:22px;overflow-x:auto;border-radius:var(--r-md)}
.doc-table{width:100%;min-width:520px;border-collapse:separate;border-spacing:0;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;font-size:14px}
.doc-table th{background:var(--c-tint);text-align:left;font-weight:600;color:var(--c-primary);padding:13px 18px}
.doc-table td{padding:14px 18px;border-top:1px solid var(--c-line);color:var(--c-ink-2);line-height:1.75}
.doc-table tbody tr:nth-child(even) td{background:var(--c-paper)}
.doc-figure{margin-top:22px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line)}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.doc-figure figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;padding:12px 16px;background:#FFFFFF;border-top:1px solid var(--c-line)}
.card-foot{margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.meta{font-size:13px;color:var(--c-ink-2)}

/* ============ 常见疑问 ============ */
.faq-grid{display:grid;grid-template-columns:1.28fr 1fr;gap:22px;align-items:start}
.faq-card{
  background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:30px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.faq-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.qa + .qa{margin-top:24px;padding-top:24px;border-top:1px solid var(--c-line)}
.qa h3{font-size:19px;color:var(--c-deep);line-height:1.5}
.qa p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85}

/* ============ 表单卡 ============ */
.form-card{
  background:#FFFFFF;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:36px;
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.form-card h2{color:var(--c-deep);font-size:26px}
.form-card .form-desc{margin-top:14px;font-size:15px;color:var(--c-ink-2);line-height:1.85}
.field-label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:8px;font-weight:600}
.input-row{
  display:flex;align-items:center;gap:8px;
  background:var(--c-paper);border:1.5px solid var(--c-line);
  border-radius:var(--r-pill);padding:6px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.input-row:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(46,211,183,.16)}
.input-row input{flex:1 1 auto;min-width:0;height:44px;border:0;background:transparent;padding:0 18px;font-size:15px;border-radius:var(--r-pill)}
.input-row input:focus-visible{outline:none}
.input-row .btn{height:44px;padding:0 22px;font-size:14.5px}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--c-ink-2);line-height:1.7}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-image:var(--grad-deep);
  border-radius:var(--r-lg);
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:var(--c-invert);
  box-shadow:0 24px 56px rgba(58,42,125,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,211,183,.30),transparent 68%);
}
.cta-band h2{position:relative;z-index:1;color:var(--c-invert);font-size:28px}
.cta-band p{position:relative;z-index:1;margin-top:12px;font-size:15.5px;color:rgba(244,242,255,.78);max-width:560px;line-height:1.85}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-foot{
  position:relative;margin-top:96px;
  background:var(--c-deep);color:var(--c-invert);
}
.site-foot::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-glow),var(--c-accent),var(--c-primary-soft));
}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:36px;padding:64px 0 42px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand strong{font-size:16px;color:var(--c-invert)}
.foot-grid p{font-size:14px;color:rgba(244,242,255,.66);line-height:1.9}
.foot-title{font-size:14px;font-weight:600;color:rgba(244,242,255,.9);margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(244,242,255,.7);transition:color .2s ease-out,transform .2s ease-out}
.foot-links a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-note{font-size:13.5px;color:rgba(244,242,255,.6);line-height:1.9}
.foot-bottom{
  border-top:1px solid rgba(244,242,255,.14);
  padding:22px 0 34px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .top-grid{gap:32px}
}
@media (max-width:1023px){
  .site-head{padding:10px 16px 14px}
  .nav-shell{flex-wrap:wrap;gap:12px;padding:10px 14px}
  .brand{flex:1 1 auto}
  .nav-actions .link-more{display:none}
  .nav-cards{
    order:3;width:100%;flex-wrap:nowrap;overflow-x:auto;
    padding-bottom:2px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    mask-image:linear-gradient(90deg,#000 84%,transparent 100%);
    -webkit-mask-image:linear-gradient(90deg,#000 84%,transparent 100%);
  }
  .nav-cards::-webkit-scrollbar{display:none}
  .nav-card{width:92px}
  .site-head.is-compact .nav-cards{display:none}
  .top-grid{grid-template-columns:1fr;gap:28px}
  .hero-visual{max-width:560px}
  .doc-layout{grid-template-columns:1fr;gap:24px}
  .anchor-card{position:static;padding:14px}
  .anchor-list{flex-direction:row;overflow-x:auto;gap:8px;scrollbar-width:none}
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-list a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;padding:9px 12px}
  .anchor-list a:hover,.anchor-list a.is-current{transform:none;border-left:0;border-bottom-color:var(--c-accent)}
  .anchor-foot{display:none}
  .faq-grid{grid-template-columns:1fr}
  .form-card{grid-template-columns:1fr;gap:24px;padding:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 34px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:768px){
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .container{padding:0 16px}
  .page-top{padding-bottom:48px}
  .sec{padding:56px 0 0}
  .doc-card{padding:22px}
  .doc-card::after{left:22px;right:22px}
  .faq-card{padding:22px}
  .form-card{padding:22px}
  .cta-band{padding:28px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:24px;padding:44px 0 30px}
  .foot-bottom{flex-direction:column;gap:8px}
  .btn{width:100%}
  .btn-sm,.input-row .btn,.nav-actions .btn{width:auto}
}
@media (max-width:520px){
  h1{font-size:28px}
  .brand-text strong{font-size:14px}
  .brand-text em{display:none}
  .nav-card{width:84px;height:52px;font-size:12px}
  .input-row{flex-direction:column;align-items:stretch;border-radius:var(--r-md);padding:10px}
  .input-row input{height:42px;background:#FFFFFF;border:1px solid var(--c-line)}
  .input-row .btn{width:100%}
  .float-badge{right:10px;bottom:10px;padding:6px 12px}
  .float-badge b{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}