/* roulang page: index */
:root{
  --brand-500:#F45B18;
  --brand-600:#D9450A;
  --brand-050:#FFF2E9;
  --accent-500:#12B5A0;
  --accent-050:#E6F7F3;
  --gold-400:#FFC24B;
  --ink-900:#14121B;
  --ink-800:#1E1B27;
  --ink-700:#2E2A3A;
  --text-900:#232029;
  --text-600:#5C5764;
  --text-400:#8E8896;
  --bg:#FAF8F5;
  --bg-alt:#F2EEE9;
  --card:#FFFFFF;
  --line:#E8E2DA;
  --line-strong:#D9D1C7;
  --danger:#D93A2B;
  --success:#0B7A6B;
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-24:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,27,.06);
  --sh-2:0 6px 20px -6px rgba(20,18,27,.12);
  --sh-3:0 18px 40px -12px rgba(20,18,27,.18);
  --container:1200px;
  --nav-h:68px;
  --ease:160ms ease-out;
  --ease-card:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(244,91,24,.4);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-ink{background:var(--ink-900);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-600);max-width:640px}
.section-head .more{font-size:15px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.section-head .more i{transition:transform var(--ease)}
.section-head .more:hover{color:var(--brand-600)}
.section-head .more:hover i{transform:translateX(4px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border-radius:var(--r-pill);padding:6px 14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(250,248,245,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#FF8A45,var(--brand-500) 55%,var(--brand-600));
  display:grid;place-items:center;color:#fff;font-size:15px;
  box-shadow:0 6px 14px -6px rgba(244,91,24,.65);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:6px;margin-right:auto}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-600);
  padding:8px 12px;border-radius:var(--r-8);transition:color var(--ease),background var(--ease);
}
.nav-channels a:hover{color:var(--text-900);background:rgba(232,226,218,.5)}
.nav-channels a.is-active{color:var(--brand-500);font-weight:600}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px;
  background:var(--brand-500);
}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:200px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 38px 0 16px;font-size:14px;
  transition:width var(--ease-card),border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search input:focus{
  width:260px;outline:none;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(244,91,24,.16);
}
.nav-search i{position:absolute;right:14px;font-size:13px;color:var(--text-400);pointer-events:none}
.link-login{font-size:15px;font-weight:500;color:var(--text-600)}
.link-login:hover{color:var(--brand-500)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;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),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#FF7B3C,var(--brand-500) 60%,var(--brand-600));
  color:#fff;box-shadow:0 8px 18px -10px rgba(244,91,24,.9);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand-600);border:1px solid var(--brand-500)}
.btn-ghost:hover{background:var(--brand-050);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--text-900);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.btn-block{width:100%;height:52px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--r-12);
  border:1px solid var(--line);background:#fff;color:var(--text-900);
  place-items:center;font-size:16px;
}
.hamburger:hover{border-color:var(--line-strong)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,27,.42);z-index:98;
  opacity:0;visibility:hidden;transition:opacity var(--ease-card),visibility var(--ease-card);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:99;
  background:#fff;box-shadow:var(--sh-3);padding:22px 20px;
  transform:translateX(102%);transition:transform 260ms ease-out;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-12);border:1px solid var(--line);display:grid;place-items:center}
.drawer-search{position:relative;display:flex;align-items:center}
.drawer-search input{width:100%;height:44px;border-radius:var(--r-12);border:1px solid var(--line);padding:0 40px 0 14px;font-size:14px;background:var(--bg)}
.drawer-search i{position:absolute;right:14px;color:var(--text-400);font-size:13px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-8);
  font-size:15px;font-weight:500;color:var(--text-600);
}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--text-900)}
.drawer-nav a.is-active{background:var(--brand-050);color:var(--brand-600);font-weight:600}
.drawer-actions{display:flex;gap:10px;margin-top:auto}
.drawer-actions .btn{flex:1}

/* ---------- hero ---------- */
.hero{padding:64px 0 88px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,91,24,.14),rgba(244,91,24,0) 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative}
.hero h1{font-size:48px;line-height:1.18;font-weight:700;letter-spacing:-.6px;margin:20px 0 0}
.hero h1 em{font-style:normal;color:var(--brand-500)}
.hero-sub{margin-top:18px;font-size:18px;color:var(--text-600);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;padding-top:26px;border-top:1px dashed var(--line-strong)}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-600)}
.trust-item i{color:var(--brand-500);font-size:14px}
.trust-item strong{font-variant-numeric:tabular-nums;color:var(--text-900);font-size:16px;font-weight:700}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-24);
  box-shadow:var(--sh-3);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-24);
  background:linear-gradient(150deg,rgba(20,18,27,.62),rgba(20,18,27,.08) 58%,rgba(244,91,24,.24));
}
.hero-badge{
  position:absolute;left:20px;top:20px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--ink-900);
  border-radius:var(--r-pill);padding:7px 14px;font-size:13px;font-weight:600;
}
.hero-float{
  position:absolute;right:-14px;bottom:-24px;z-index:3;
  background:#fff;border-radius:var(--r-16);box-shadow:var(--sh-2);
  padding:16px 18px;min-width:196px;border:1px solid var(--line);
}
.hero-float span{display:block;font-size:13px;color:var(--text-400)}
.hero-float strong{display:block;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:2px}
.hero-float small{display:inline-flex;align-items:center;gap:5px;margin-top:8px;font-size:12px;font-weight:600;color:var(--success);background:var(--accent-050);border-radius:var(--r-pill);padding:3px 10px}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  padding:24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow var(--ease-card),transform var(--ease-card),border-color var(--ease-card);
}
.stat-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--brand-500),var(--gold-400))}
.stat-card:hover{box-shadow:var(--sh-3);transform:translateY(-3px);border-color:rgba(244,91,24,.28)}
.stat-value{font-size:40px;line-height:1.1;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-1px;margin-top:8px}
.stat-value small{font-size:16px;font-weight:600;color:var(--text-600);margin-left:4px}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-600)}
.stat-trend{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:4px 11px}
.trend-up{background:var(--accent-050);color:var(--success)}
.trend-down{background:var(--brand-050);color:var(--danger)}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.bento-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow var(--ease-card),transform var(--ease-card),border-color var(--ease-card);
}
.bento-card:hover{box-shadow:var(--sh-3);transform:translateY(-3px);border-color:rgba(244,91,24,.3)}
.bento-card.span-4{grid-column:span 4}
.bento-card.span-2{grid-column:span 2}
.bento-card .icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand-600);font-size:19px;
}
.bento-card h3{font-size:18px;font-weight:700;margin-top:18px;letter-spacing:-.2px}
.bento-card p{font-size:14px;line-height:1.75;color:var(--text-600);margin-top:10px}
.bento-card .text-link{
  margin-top:auto;padding-top:20px;font-size:14px;font-weight:600;color:var(--brand-500);
  display:inline-flex;align-items:center;gap:8px;
}
.bento-card .text-link i{transition:transform var(--ease)}
.bento-card .text-link:hover i{transform:translateX(4px)}
.bento-card.is-ink{background:var(--ink-900);border-color:var(--ink-700);color:#fff}
.bento-card.is-ink p{color:#B9B3C0}
.bento-card.is-ink .icon{background:rgba(244,91,24,.18);color:#FFA36B}
.bento-card.is-ink .text-link{color:var(--gold-400)}
.bento-card.is-brand{background:var(--brand-050);border-color:#F8D9C5}
.bento-card.is-brand .icon{background:#fff;color:var(--brand-600)}
.bento-wide-media{margin-top:20px;border-radius:var(--r-12);overflow:hidden}
.bento-wide-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.bento-list{display:grid;gap:10px;margin-top:16px}
.bento-list li{display:flex;gap:10px;font-size:14px;color:var(--text-600)}
.bento-list i{color:var(--brand-500);margin-top:5px;font-size:11px}
.bento-card.is-ink .bento-list li{color:#B9B3C0}
.bento-card.is-ink .bento-list i{color:var(--gold-400)}

/* ---------- cms latest ---------- */
.latest-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.cms-feature{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease-card),transform var(--ease-card),border-color var(--ease-card);
}
.cms-feature:hover{box-shadow:var(--sh-3);transform:translateY(-3px);border-color:rgba(244,91,24,.3)}
.cms-feature img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cms-feature-body{padding:24px}
.cms-feature-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-top:12px}
.cms-feature-body p{font-size:14px;color:var(--text-600);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-400);margin-top:16px}
.cms-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
.cms-list{display:grid;gap:16px;align-content:start}
.cms-item{
  display:grid;grid-template-columns:96px 1fr;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  padding:16px;box-shadow:var(--sh-1);border-bottom:1px dashed transparent;
  transition:box-shadow var(--ease-card),transform var(--ease-card),background var(--ease-card),border-color var(--ease-card);
}
.cms-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);background:#FCFAF7;border-color:rgba(244,91,24,.24)}
.cms-item img{width:96px;height:72px;object-fit:cover;border-radius:var(--r-12)}
.cms-item h4{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-item p{font-size:13px;color:var(--text-600);margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  border-radius:var(--r-pill);padding:3px 11px;background:var(--brand-050);color:var(--brand-600);
}
.empty-state{
  background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--r-16);
  padding:64px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:50%;background:var(--bg-alt);color:var(--text-400);
  display:grid;place-items:center;margin:0 auto 18px;font-size:22px;
}
.empty-state strong{display:block;font-size:16px;font-weight:600}
.empty-state span{display:block;font-size:14px;color:var(--text-400);margin-top:8px}
.empty-state .btn{margin-top:22px}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border-radius:var(--r-16);padding:28px}
.compare-col.plain{background:var(--bg-alt);border:1px solid var(--line)}
.compare-col.better{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-500);box-shadow:var(--sh-2)}
.compare-col h3{font-size:18px;font-weight:700;letter-spacing:-.2px}
.compare-col .col-note{font-size:13px;color:var(--text-400);margin-top:8px}
.compare-list{margin-top:22px;display:grid;gap:14px}
.compare-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px;padding-bottom:14px;border-bottom:1px dashed var(--line-strong)}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list i{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:10px;flex-shrink:0;margin-top:4px}
.icon-yes{background:var(--accent-050);color:var(--success)}
.icon-no{background:#EFE9E2;color:var(--text-400)}
.compare-list .row-label{font-size:13px;color:var(--text-400);display:block}

/* ---------- voice ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease-card),transform var(--ease-card),border-color var(--ease-card);
}
.voice-card:hover{box-shadow:var(--sh-3);transform:translateY(-3px);border-color:rgba(244,91,24,.24)}
.voice-card .stars{color:var(--gold-400);font-size:13px;letter-spacing:2px}
.voice-card p{font-size:15px;color:var(--text-600);margin-top:14px}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line-strong)}
.voice-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand-600);font-weight:700;font-size:14px;
}
.voice-user strong{display:block;font-size:14px;font-weight:600}
.voice-user span{display:block;font-size:12px;color:var(--text-400)}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  margin-bottom:14px;overflow:hidden;
  transition:border-color var(--ease-card),box-shadow var(--ease-card);
}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--sh-2)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--brand-500);opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q i{color:var(--text-400);font-size:14px;transition:transform var(--ease-card),color var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.75;color:var(--text-600)}

/* ---------- cta form ---------- */
.cta-block{
  background:var(--ink-900);border-radius:var(--r-24);padding:56px;
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,91,24,.28),rgba(244,91,24,0) 70%);
}
.cta-left{position:relative}
.cta-left h2{font-size:28px;line-height:1.32;font-weight:700;color:#fff}
.cta-left p{color:#B9B3C0;font-size:15px;margin-top:14px}
.cta-perks{display:grid;gap:14px;margin-top:28px}
.cta-perks li{display:flex;gap:12px;font-size:15px;color:#EDE9E4}
.cta-perks i{color:var(--gold-400);margin-top:5px;font-size:12px}
.form-card{
  position:relative;background:#fff;border-radius:var(--r-16);padding:30px;box-shadow:var(--sh-3);
}
.form-card h3{font-size:18px;font-weight:700}
.form-card .form-note{font-size:13px;color:var(--text-400);margin-top:8px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600}
.field input,.field select,.field textarea{
  height:48px;border-radius:var(--r-12);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;width:100%;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.65}
.field input::placeholder,.field textarea::placeholder{color:var(--text-400)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,91,24,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field .err-msg{font-size:12px;color:var(--danger);display:none}
.field.has-error .err-msg{display:block}
.form-submit{margin-top:24px}
.form-tip{font-size:12px;color:var(--text-400);margin-top:12px;text-align:center}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:18px;
  background:var(--accent-050);color:var(--success);border-radius:var(--r-12);
  padding:12px 16px;font-size:14px;font-weight:600;
}
.form-success.is-visible{display:flex}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#B9B3C0;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-12);display:grid;place-items:center;
  background:var(--ink-800);color:#B9B3C0;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:#B9B3C0;display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.8}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--ink-700);padding:24px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8E8896;
}
.footer-bottom .note{color:#8E8896}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .hero h1{font-size:42px}
}
@media (max-width:1023px){
  .nav-channels,.nav-search,.nav-right .link-login,.nav-right .nav-cta{display:none}
  .hamburger{display:grid}
  .nav-inner{gap:16px}
  .hero{padding:44px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px;max-width:none}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto;box-shadow:var(--sh-1)}
  .hero-media img{aspect-ratio:16/9}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-card.span-4,.bento-card.span-2{grid-column:span 2}
  .latest-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .cta-block{grid-template-columns:1fr;padding:36px 24px;gap:32px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head h2{font-size:22px}
  .hero h1{font-size:28px}
  .hero-actions .btn{flex:1}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-card{padding:20px}
  .stat-value{font-size:32px}
  .bento{grid-template-columns:1fr;gap:16px}
  .bento-card.span-4,.bento-card.span-2{grid-column:span 1}
  .bento-card{padding:22px}
  .cms-item{grid-template-columns:1fr}
  .cms-item img{width:100%;height:160px}
  .compare-col{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-left h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:480px){
  .hero h1{font-size:25px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .trust-item{width:100%}
  .stat-value{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
:root{
  --brand-500:#F45B18;
  --brand-hover:#D9450A;
  --brand-050:#FFF2E9;
  --accent-500:#12B5A0;
  --accent-050:#E6F7F3;
  --gold-400:#FFC24B;
  --ink-900:#14121B;
  --ink-800:#1E1B27;
  --ink-700:#2E2A3A;
  --text-900:#232029;
  --text-600:#5C5764;
  --text-400:#8E8896;
  --bg:#FAF8F5;
  --bg-alt:#F2EEE9;
  --card:#FFFFFF;
  --line:#E8E2DA;
  --line-strong:#D9D1C7;
  --danger:#D93A2B;
  --success:#0B7A6B;
  --radius-8:8px;
  --radius-12:12px;
  --radius-16:16px;
  --radius-24:24px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,18,27,.06);
  --shadow-2:0 6px 20px -6px rgba(20,18,27,.12);
  --shadow-3:0 18px 40px -12px rgba(20,18,27,.18);
  --ease:160ms ease-out;
  --ease-card:220ms ease-out;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:28px;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(244,91,24,.45);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:linear-gradient(135deg,#FF7A33,#F45B18 60%,#D9450A);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand-500);color:var(--brand-500)}
.btn-ghost:hover{background:var(--brand-050);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{background:#fff;border-color:var(--line);color:var(--text-900)}
.btn-white:hover{border-color:var(--line-strong);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%;height:52px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-500);font-weight:600;font-size:14px}
.btn-text i{font-size:12px;transition:transform var(--ease)}
.btn-text:hover{color:var(--brand-hover)}
.btn-text:hover i{transform:translateX(3px)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,245,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(20,18,27,.35)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#FF8A45,#F45B18 65%,#D9450A);
  color:#fff;font-size:14px;box-shadow:0 4px 12px -4px rgba(244,91,24,.6);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--text-900)}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-channels a{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;color:var(--text-600);
}
.nav-channels a:hover{color:var(--text-900)}
.nav-channels a.is-active{color:var(--brand-500);font-weight:600}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#FF8A45,#F45B18);
}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-form{
  display:flex;align-items:center;gap:8px;height:40px;width:200px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-form i{color:var(--text-400);font-size:13px}
.search-form input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.search-form input::placeholder{color:var(--text-400)}
.search-form:focus-within{width:260px;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,91,24,.14)}
.link-login{font-size:14px;color:var(--text-600);padding:0 4px}
.link-login:hover{color:var(--brand-500)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--text-900);border-radius:2px;display:block}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-900);border-radius:2px;transition:transform var(--ease),top var(--ease)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,27,.45);z-index:90;opacity:0;pointer-events:none;transition:opacity var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:95;
  background:#fff;padding:20px 18px 28px;transform:translateX(102%);
  transition:transform 220ms ease-out;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  box-shadow:-18px 0 40px -20px rgba(20,18,27,.4);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;color:var(--text-600)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:var(--bg-alt);border-radius:var(--radius-12);border:1px solid transparent}
.drawer-search i{color:var(--text-400);font-size:13px}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:0;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--radius-8);
  font-size:15px;color:var(--text-600);
}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--text-900)}
.drawer-nav a.is-active{background:var(--brand-050);color:var(--brand-500);font-weight:600}
.drawer-actions{display:flex;gap:10px;margin-top:auto}
.drawer-actions .btn{flex:1;padding:0 12px}

/* ---------- 文章头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF6EE 0%,rgba(250,248,245,0) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,91,24,.18),rgba(244,91,24,0) 70%);
}
.page-hero .container{position:relative;z-index:1;padding-top:34px;padding-bottom:34px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-400);margin-bottom:16px}
.breadcrumb a{color:var(--text-600)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--brand-500)}
.article-title{
  font-size:34px;line-height:44px;font-weight:700;letter-spacing:-.4px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--text-400);
}
.article-meta .dot{color:var(--line-strong)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:20px;
}
.badge-brand{background:var(--brand-050);color:var(--brand-hover)}
.badge-accent{background:var(--accent-050);color:var(--success)}
.badge-gold{background:#FFF6E2;color:#8A5A00}

/* ---------- 文章主体 ---------- */
.article-wrap{padding:56px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 220px;gap:56px;justify-content:center}
.article-layout.is-solo{grid-template-columns:minmax(0,760px)}
.article-body{font-size:17px;line-height:32px;color:var(--text-900)}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0;color:#2C2833}
.article-body h2{
  position:relative;font-size:24px;line-height:34px;font-weight:700;
  margin-top:48px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#FF8A45,#F45B18);
}
.article-body h3{font-size:20px;line-height:30px;font-weight:700;margin-top:32px}
.article-body h4{font-size:17px;font-weight:700;margin-top:24px}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(244,91,24,.35)}
.article-body a:hover{color:var(--brand-hover);border-bottom-color:var(--brand-hover)}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-top:8px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:13px;width:7px;height:7px;border-radius:50%;
  background:var(--brand-500);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-top:8px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-hover);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  background:var(--brand-050);border-left:4px solid var(--brand-500);
  border-radius:var(--radius-12);padding:18px 22px;color:#4A3B33;font-size:16px;line-height:28px;
}
.article-body blockquote p{color:#4A3B33}
.article-body img{border-radius:var(--radius-16);margin:24px auto 8px;box-shadow:var(--shadow-2)}
.article-body figure figcaption,.article-body .caption{
  text-align:center;font-size:13px;color:var(--text-400);line-height:22px;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;line-height:24px;
  border:1px solid var(--line);border-radius:var(--radius-12);overflow:hidden;
}
.article-body table thead th{background:var(--ink-900);color:#fff;font-weight:600;text-align:left}
.article-body table th,.article-body table td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body table tbody tr:nth-child(even){background:#FAF8F5}
.article-body table tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body code{background:var(--bg-alt);border-radius:6px;padding:2px 6px;font-size:14px}

/* 目录 */
.article-side{position:relative}
.toc-card{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-16);padding:18px;box-shadow:var(--shadow-1);
}
.toc-title{font-size:14px;font-weight:700;color:var(--text-900);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc-title i{color:var(--brand-500);font-size:13px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:13px;line-height:20px;color:var(--text-600);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
}
.toc-list a:hover{background:var(--bg-alt);color:var(--text-900)}
.toc-list a.is-active{color:var(--brand-500);border-left-color:var(--brand-500);background:var(--brand-050);font-weight:600}
.toc-empty{font-size:13px;color:var(--text-400)}
.toc-mobile{
  display:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius-16);
  padding:14px 16px;margin-bottom:28px;
}
.toc-mobile summary{
  font-size:15px;font-weight:700;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--text-400)}
.toc-mobile[open] summary::after{content:"\f077"}
.toc-mobile .toc-list{margin-top:12px}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;
  padding:64px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-24);
}
.empty-icon{
  width:64px;height:64px;border-radius:50%;background:var(--bg-alt);color:var(--text-400);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.empty-state h2{font-size:18px;font-weight:700}
.empty-state p{font-size:14px;color:var(--text-600);line-height:24px;max-width:420px}

/* 文章尾部 */
.article-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:14px;color:var(--text-400)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--bg-alt);color:var(--text-600);font-size:13px;
  transition:background-color var(--ease),color var(--ease);
}
.tag:hover{background:var(--brand-050);color:var(--brand-hover)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

.related{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:24px;line-height:34px;font-weight:700}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.section-head .more:hover{color:var(--brand-hover)}
.section-head .more i{font-size:12px;transition:transform var(--ease)}
.section-head .more:hover i{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-16);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease-card),box-shadow var(--ease-card),border-color var(--ease-card);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:rgba(244,91,24,.35)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-050)}
.card-media img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 2000px rgba(20,18,27,.04)}
.card-media .badge{position:absolute;left:14px;top:14px;background:#fff;color:var(--brand-hover);box-shadow:var(--shadow-1)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:26px;font-weight:700}
.card-body p{font-size:14px;line-height:24px;color:var(--text-600)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-400)}
.card-foot .go{color:var(--brand-500);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.card:hover .go i{transform:translateX(3px)}
.card-foot .go i{font-size:11px;transition:transform var(--ease)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#B9B3C0;margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:14px;line-height:24px;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;color:#B9B3C0;
}
.footer-social a:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:#B9B3C0}
.footer-col a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-col p{font-size:14px;line-height:24px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8E8896;
}
.footer-bottom .note{color:#6F6A78}

@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,760px)}
  .article-side{display:none}
  .toc-mobile{display:block}
}
@media (max-width:1023px){
  .nav-channels,.search-form,.link-login,.header-actions .btn{display:none}
  .header-actions{gap:0}
  .nav-toggle{display:flex}
  .header-inner{gap:16px}
  .article-title{font-size:30px;line-height:40px}
  .article-wrap{padding:40px 0 72px}
  .article-body{font-size:16px;line-height:30px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero .container{padding-top:26px;padding-bottom:26px}
  .article-title{font-size:26px;line-height:34px}
  .article-body h2{font-size:22px;line-height:30px;margin-top:36px}
  .article-body h3{font-size:18px;line-height:28px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .related{margin-top:56px}
  .section-head h2{font-size:20px;line-height:30px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .article-meta{font-size:13px}
  .btn{width:100%}
  .foot-actions .btn{width:100%}
  .drawer-actions .btn{width:auto}
}

/* roulang page: category1 */
:root{
  --brand:#F45B18;
  --brand-hover:#D9450A;
  --brand-050:#FFF2E9;
  --accent:#12B5A0;
  --accent-050:#E6F7F3;
  --gold:#FFC24B;
  --ink-900:#14121B;
  --ink-800:#1E1B27;
  --ink-700:#2E2A3A;
  --text-900:#232029;
  --text-600:#5C5764;
  --text-400:#8E8896;
  --bg:#FAF8F5;
  --bg-alt:#F2EEE9;
  --card:#FFFFFF;
  --line:#E8E2DA;
  --line-strong:#D9D1C7;
  --error:#D93A2B;
  --success:#0B7A6B;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(20,18,27,.06);
  --sh-2:0 6px 20px -6px rgba(20,18,27,.12);
  --sh-3:0 18px 40px -12px rgba(20,18,27,.18);
  --ease:160ms ease-out;
  --ease-card:220ms ease-out;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-900);letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(244,91,24,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,245,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 24px -18px rgba(20,18,27,.4);background:rgba(250,248,245,.95)}
.header-inner{display:flex;align-items:center;height:68px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#FF8A3D,var(--brand-hover));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;box-shadow:0 4px 12px -4px rgba(244,91,24,.7);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--text-900);white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-channels a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-600);
}
.nav-channels a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--brand);opacity:0;transform:scaleX(.4);transition:opacity var(--ease),transform var(--ease);
}
.nav-channels a:hover{color:var(--text-900);background:rgba(244,91,24,.06)}
.nav-channels a.is-active{color:var(--brand);font-weight:600}
.nav-channels a.is-active::after{opacity:1;transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:200px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search i{color:var(--text-400);font-size:13px}
.nav-search input{border:0;background:none;width:100%;font-size:14px;color:var(--text-900);outline:none}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search:focus-within{width:260px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,91,24,.16)}
.link-login{font-size:14px;color:var(--text-600);padding:8px 6px}
.link-login:hover{color:var(--brand-hover)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn i{font-size:13px}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,#FF7A2F,var(--brand) 55%,var(--brand-hover));
  box-shadow:0 8px 18px -10px rgba(244,91,24,.9);
}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(244,91,24,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(244,91,24,.9)}
.btn-ghost{
  color:var(--brand);background:transparent;border:1px solid rgba(244,91,24,.5);
}
.btn-ghost:hover{color:var(--brand-hover);background:var(--brand-050);border-color:var(--brand-hover)}
.btn-soft{background:#fff;border:1px solid var(--line-strong);color:var(--text-900)}
.btn-soft:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{color:var(--brand-hover);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text-900);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,27,.45);z-index:70;opacity:0;transition:opacity var(--ease)}
.drawer-mask.is-show{opacity:1}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:80;
  background:var(--bg);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 240ms ease-out;
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;color:var(--text-600)}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--pill)}
.drawer-search input{border:0;background:none;outline:none;width:100%;font-size:15px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:var(--r-sm);font-size:15px;color:var(--text-600);
}
.drawer-nav a:hover{background:#fff;color:var(--text-900)}
.drawer-nav a.is-active{background:var(--brand-050);color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;display:flex;gap:10px}
.drawer-foot .btn{flex:1}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-900)}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,18,27,.94) 0%,rgba(20,18,27,.72) 52%,rgba(20,18,27,.42) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:40px 24px 44px;min-height:220px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.62)}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:var(--gold)}
.cat-hero h1{
  color:#fff;font-size:34px;line-height:1.28;max-width:820px;
}
.cat-hero h1 em{font-style:normal;color:var(--gold)}
.cat-hero-lead{font-size:16px;color:rgba(255,255,255,.76);max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--pill);font-size:13px;
  color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
}
.hero-tag i{color:var(--gold);font-size:12px}

/* ---------- 主体：目录 + 卡片流 ---------- */
.cat1-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start}
.side-toc{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.side-toc h2{font-size:14px;letter-spacing:.4px;color:var(--text-400);font-weight:600;margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--text-600);
  border-left:2px solid transparent;
}
.toc-list a:hover{background:var(--brand-050);color:var(--brand);border-left-color:var(--brand)}
.toc-aside{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line-strong)}
.toc-aside p{font-size:13px;line-height:1.7;color:var(--text-400);margin-bottom:12px}
.toc-aside .btn{width:100%}

.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.block-head h2{font-size:26px;line-height:1.35}
.block-head p{font-size:14px;color:var(--text-600);margin-top:8px;max-width:560px}
.block-head .more{font-size:14px;color:var(--brand);font-weight:600;white-space:nowrap}
.block-head .more:hover{color:var(--brand-hover)}

.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.entry-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--ease-card),box-shadow var(--ease-card),border-color var(--ease-card);
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(244,91,24,.35)}
.entry-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand);font-size:18px;
}
.entry-card.is-dark{background:var(--ink-900);border-color:var(--ink-700)}
.entry-card.is-dark h3{color:#fff}
.entry-card.is-dark p{color:rgba(255,255,255,.7)}
.entry-card.is-dark .entry-icon{background:rgba(255,255,255,.1);color:var(--gold)}
.entry-card.is-dark .entry-link{color:var(--gold)}
.entry-card.is-dark .entry-link:hover{color:#fff}
.entry-card h3{font-size:18px;line-height:1.5}
.entry-card p{font-size:14px;line-height:1.85;color:var(--text-600)}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
  font-size:14px;font-weight:600;color:var(--brand);
}
.entry-link i{font-size:12px;transition:transform var(--ease)}
.entry-link:hover i{transform:translateX(4px)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--pill);
  font-size:12px;background:var(--brand-050);color:var(--brand-hover);border:1px solid rgba(244,91,24,.16);
}
.chip.accent{background:var(--accent-050);color:var(--success);border-color:rgba(18,181,160,.2)}
.chip.gold{background:#FFF7E4;color:#8A5B00;border-color:rgba(255,194,75,.45)}

/* ---------- 核对四步 ---------- */
.steps{background:var(--bg-alt);border-radius:var(--r-xl);padding:36px;border:1px solid var(--line)}
.step-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-1);position:relative;
  transition:transform var(--ease-card),box-shadow var(--ease-card);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  background:linear-gradient(135deg,#FF8A3D,var(--brand-hover));color:#fff;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.85;color:var(--text-600)}

/* ---------- 异常自查 ---------- */
.fix-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.fix-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);border-top:3px solid var(--brand);
  transition:transform var(--ease-card),box-shadow var(--ease-card);
}
.fix-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.fix-item h3{font-size:16px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.fix-item h3 i{color:var(--brand);font-size:15px}
.fix-item p{font-size:14px;line-height:1.85;color:var(--text-600)}
.fix-item ul{margin-top:10px;display:flex;flex-direction:column;gap:6px}
.fix-item li{position:relative;padding-left:16px;font-size:14px;color:var(--text-600)}
.fix-item li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 图示区块 ---------- */
.figure-band{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center}
.figure-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2)}
.figure-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(20,18,27,.06)}
.figure-card{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:#fff;border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:14px;
}
.figure-card .dot{
  width:38px;height:38px;border-radius:var(--r-md);background:var(--accent-050);color:var(--success);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.figure-card b{font-size:15px;display:block}
.figure-card span{font-size:13px;color:var(--text-400)}
.figure-text h2{font-size:26px;margin-bottom:14px}
.figure-text p{font-size:15px;line-height:1.9;color:var(--text-600);margin-bottom:14px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-600)}
.check-list i{color:var(--accent);margin-top:6px;font-size:13px}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--bg-alt);border-radius:var(--r-xl);padding:40px;border:1px solid var(--line)}
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text-900);
  position:relative;
}
.faq-q:hover{color:var(--brand)}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  background:var(--brand-050);color:var(--brand);font-size:12px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform var(--ease-card),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--brand);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease-out}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-600)}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--brand-050);border:1px solid rgba(244,91,24,.2);border-radius:var(--r-lg);
  padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.cta-bar h2{font-size:20px;margin-bottom:6px}
.cta-bar p{font-size:14px;color:var(--text-600)}
.cta-bar .btn{float:right;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#B9B3C0;margin-top:72px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:14px;line-height:1.9;color:#B9B3C0;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-md);
  background:rgba(255,255,255,.07);color:#B9B3C0;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#B9B3C0;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.9;color:#B9B3C0}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8E8896;
}
.footer-bottom .note{color:#8E8896}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat1-layout{grid-template-columns:200px minmax(0,1fr);gap:28px}
  .step-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fix-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid > .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .nav-channels,.nav-search,.link-login{display:none}
  .header-actions{margin-left:auto}
  .nav-toggle{display:flex}
  .cat1-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .side-toc{position:static}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .cat-hero h1{font-size:28px}
  .figure-band{grid-template-columns:minmax(0,1fr);gap:24px}
  .fix-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-bar{flex-direction:column;align-items:flex-start}
  .cta-bar .btn{float:none;width:100%}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .cat-hero-inner{padding:30px 16px 34px}
  .cat-hero h1{font-size:24px}
  .cat-hero-lead{font-size:15px}
  .entry-grid{grid-template-columns:minmax(0,1fr)}
  .step-flow{grid-template-columns:minmax(0,1fr)}
  .fix-list{grid-template-columns:minmax(0,1fr)}
  .faq-wrap{padding:24px 18px}
  .steps{padding:24px 18px}
  .block-head{flex-direction:column;align-items:flex-start}
  .block-head h2{font-size:22px}
  .figure-text h2{font-size:22px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .footer-grid > .footer-col:last-child{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .btn{height:46px}
  .brand-name{font-size:16px}
}

/* roulang page: category2 */
:root{
  --brand-500:#F45B18;
  --brand-600:#D9450A;
  --brand-050:#FFF2E9;
  --accent-500:#12B5A0;
  --accent-050:#E6F7F3;
  --gold-400:#FFC24B;
  --ink-900:#14121B;
  --ink-800:#1E1B27;
  --ink-700:#2E2A3A;
  --text-900:#232029;
  --text-600:#5C5764;
  --text-400:#8E8896;
  --bg:#FAF8F5;
  --bg-alt:#F2EEE9;
  --card:#FFFFFF;
  --line:#E8E2DA;
  --line-strong:#D9D1C7;
  --err:#D93A2B;
  --ok:#0B7A6B;
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-24:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,27,.06);
  --sh-2:0 6px 20px -6px rgba(20,18,27,.12);
  --sh-3:0 18px 40px -12px rgba(20,18,27,.18);
  --t-fast:160ms ease-out;
  --t-card:220ms ease-out;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(244,91,24,.55);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(244,91,24,.18);}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1280px){ .container{max-width:1280px;} }
@media (max-width:1023px){ .container{padding:0 20px;} }
@media (max-width:520px){ .container{padding:0 16px;} }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  white-space:nowrap;
  transition:transform var(--t-fast),box-shadow var(--t-fast),background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.btn-primary{
  background:linear-gradient(135deg,#FF7A34 0%,var(--brand-500) 55%,var(--brand-600) 100%);
  color:#fff;
  box-shadow:0 8px 20px -10px rgba(244,91,24,.75);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(217,69,10,.8);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand-600);
  border:1px solid rgba(244,91,24,.55);
}
.btn-ghost:hover{background:var(--brand-050);transform:translateY(-1px);}
.btn-quiet{
  background:#fff;
  border:1px solid var(--line-strong);
  color:var(--text-900);
}
.btn-quiet:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px);}
.btn-dark{
  background:var(--ink-900);
  color:#fff;
}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  transition:gap var(--t-fast),color var(--t-fast);
}
.btn-text:hover{gap:10px;color:var(--brand-500);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.5;
}
.badge-brand{background:var(--brand-050);color:var(--brand-600);}
.badge-up{background:var(--accent-050);color:var(--ok);}
.badge-down{background:#FFF0E9;color:#C43F14;}
.badge-flat{background:var(--bg-alt);color:var(--text-600);}
.badge-gold{background:#FFF7E4;color:#9A6B09;}
.badge-ink{background:var(--ink-800);color:#F6F2EC;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(250,248,245,.86);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t-fast),background var(--t-fast);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(20,18,27,.35);background:rgba(250,248,245,.94);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#FF8A3D,var(--brand-500) 60%,var(--brand-600));
  color:#fff;font-size:15px;
  box-shadow:0 6px 14px -8px rgba(244,91,24,.9);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--text-900);}
.nav-channels{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-channels a{
  position:relative;
  padding:22px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--text-600);
  transition:color var(--t-fast);
}
.nav-channels a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:14px;
  height:3px;border-radius:3px;
  background:transparent;
  transition:background var(--t-fast);
}
.nav-channels a:hover{color:var(--text-900);}
.nav-channels a.is-active{color:var(--brand-600);font-weight:600;}
.nav-channels a.is-active::after{background:var(--brand-500);}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.search-box{
  position:relative;
  display:flex;align-items:center;
  width:200px;
  height:40px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  transition:width var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast);
}
.search-box i{position:absolute;left:14px;font-size:13px;color:var(--text-400);}
.search-box input{
  width:100%;height:100%;
  padding:0 14px 0 38px;
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text-900);
}
.search-box input::placeholder{color:var(--text-400);}
.search-box:focus-within{width:260px;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,91,24,.16);}
.nav-login{font-size:14px;font-weight:600;color:var(--text-600);transition:color var(--t-fast);}
.nav-login:hover{color:var(--brand-600);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-12);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-900);
  align-items:center;justify-content:center;
  font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-600);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;
  z-index:200;
  background:rgba(20,18,27,.42);
  opacity:0;visibility:hidden;
  transition:opacity var(--t-card),visibility var(--t-card);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:88%;max-width:360px;
  background:var(--bg);
  padding:22px 20px 26px;
  display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);
  transition:transform var(--t-card);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-12);
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-600);}
.drawer-search{
  display:flex;align-items:center;
  height:44px;border-radius:var(--r-12);
  background:#fff;border:1px solid var(--line);
  padding:0 14px;gap:10px;
}
.drawer-search i{color:var(--text-400);font-size:13px;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.drawer-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,91,24,.16);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:flex;align-items:center;
  height:48px;padding:0 14px;
  border-radius:var(--r-8);
  font-size:15px;font-weight:500;color:var(--text-600);
  transition:background var(--t-fast),color var(--t-fast);
}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--text-900);}
.drawer-nav a.is-active{background:var(--brand-050);color:var(--brand-600);font-weight:600;}
.drawer-foot{margin-top:auto;display:flex;gap:12px;}
.drawer-foot .btn{flex:1;}

/* ---------- 页面窄横幅 ---------- */
.page-hero{
  position:relative;
  min-height:220px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(20,18,27,.9) 0%,rgba(20,18,27,.66) 48%,rgba(20,18,27,.28) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,27,0) 40%,rgba(20,18,27,.55) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:40px;padding-bottom:34px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.7);
  margin-bottom:14px;
}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color var(--t-fast);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--gold-400);font-weight:600;}
.page-hero h1{
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.4px;
  max-width:820px;
}
.page-hero .hero-sub{
  margin-top:12px;
  font-size:15px;line-height:1.7;
  color:rgba(255,255,255,.82);
  max-width:700px;
}
.hero-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:#fff;
}

/* ---------- 指标横条 ---------- */
.stat-strip{
  margin-top:-30px;
  position:relative;
  z-index:5;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.stat-cell{
  position:relative;
  padding:24px 22px 22px;
  border-right:1px solid var(--line);
}
.stat-cell:last-child{border-right:0;}
.stat-cell::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand-500),var(--gold-400));
  opacity:.9;
}
.stat-label{font-size:14px;color:var(--text-600);}
.stat-value{
  margin-top:8px;
  font-size:38px;line-height:1.15;font-weight:700;
  letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  color:var(--text-900);
}
.stat-value small{font-size:16px;font-weight:600;color:var(--text-600);margin-left:4px;letter-spacing:0;}
.stat-foot{margin-top:10px;display:flex;align-items:center;gap:8px;}
.stat-note{font-size:12px;color:var(--text-400);}

/* ---------- 主体 8:4 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0 0;}
.layout-split{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;
  align-items:start;
  margin-top:36px;
}
.section-head{margin-bottom:26px;}
.section-head h2{
  font-size:28px;line-height:1.32;font-weight:700;letter-spacing:-.3px;
}
.section-head .lead{
  margin-top:10px;
  font-size:15px;color:var(--text-600);
  max-width:640px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  margin-bottom:10px;
}
.eyebrow::before{
  content:"";width:18px;height:3px;border-radius:3px;background:var(--brand-500);
}

/* 左栏长文分节 */
.article-block{
  background:transparent;
  scroll-margin-top:96px;
}
.article-block + .article-block{margin-top:56px;}
.article-block h2{
  position:relative;
  font-size:24px;line-height:1.4;font-weight:700;
  padding-left:16px;
  margin-bottom:18px;
}
.article-block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-500),var(--gold-400));
}
.article-block h3{
  font-size:19px;line-height:1.5;font-weight:600;
  margin:30px 0 12px;
}
.article-block p{
  font-size:16px;line-height:1.85;color:var(--text-600);
}
.article-block p + p{margin-top:14px;}
.article-block strong{color:var(--text-900);font-weight:600;}
.point-list{margin:20px 0 0;display:grid;gap:12px;}
.point-list li{
  display:flex;gap:12px;
  padding:16px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-12);
  font-size:15px;line-height:1.75;color:var(--text-600);
}
.point-list li i{color:var(--brand-500);font-size:15px;margin-top:4px;}
.point-list li b{color:var(--text-900);font-weight:600;}

.figure-block{
  margin:26px 0 0;
  border-radius:var(--r-16);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--sh-1);
}
.figure-block img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  box-shadow:inset 0 0 0 9999px rgba(20,18,27,.04);
}
.figure-block figcaption{
  padding:12px 16px;
  font-size:13px;color:var(--text-400);
  text-align:center;
  border-top:1px solid var(--line);
}

/* 数据表 */
.table-wrap{
  margin-top:24px;
  border:1px solid var(--line);
  border-radius:var(--r-16);
  overflow:hidden;
  background:var(--card);
  box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto;}
table.data-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:14px;
}
table.data-table caption{
  caption-side:top;
  text-align:left;
  padding:16px 18px 12px;
  font-size:14px;font-weight:600;color:var(--text-900);
}
table.data-table th,table.data-table td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.data-table thead th{
  background:var(--ink-900);
  color:#F6F2EC;
  font-weight:600;
  font-size:13px;
  letter-spacing:.3px;
  border-bottom:0;
}
table.data-table tbody tr:nth-child(even){background:#FAF8F5;}
table.data-table tbody tr:hover{background:var(--brand-050);}
table.data-table tbody tr:last-child td{border-bottom:0;}
table.data-table td.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.cell-mode{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text-900);}
.cell-mode i{color:var(--brand-500);font-size:13px;}
.table-note{padding:12px 18px;font-size:12px;color:var(--text-400);border-top:1px solid var(--line);background:#FCFAF7;}

/* 对比条 */
.bars{margin-top:24px;display:grid;gap:20px;}
.bar-row{display:grid;gap:8px;}
.bar-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.bar-name{font-size:15px;font-weight:600;color:var(--text-900);}
.bar-val{font-size:14px;font-weight:600;color:var(--brand-600);font-variant-numeric:tabular-nums;}
.bar-track{
  height:12px;border-radius:var(--r-pill);
  background:var(--bg-alt);
  overflow:hidden;
}
.bar-fill{
  height:100%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--brand-500),var(--gold-400));
  transition:width 400ms ease-out;
}
.bar-fill.is-accent{background:linear-gradient(90deg,#0E9C8B,var(--accent-500));}
.bar-fill.is-ink{background:linear-gradient(90deg,#3A3550,var(--ink-700));}
.bar-desc{font-size:13px;color:var(--text-400);}

/* 阶段进度 */
.stage-grid{
  margin-top:24px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.stage-card{
  padding:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t-card),transform var(--t-card),border-color var(--t-card);
}
.stage-card:hover{box-shadow:var(--sh-3);transform:translateY(-3px);border-color:rgba(244,91,24,.28);}
.stage-card .step{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:var(--r-8);
  background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:700;
  margin-bottom:12px;
}
.stage-card h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.stage-card p{font-size:14px;line-height:1.7;color:var(--text-600);}
.stage-meta{margin-top:12px;font-size:12px;color:var(--text-400);font-variant-numeric:tabular-nums;}

/* 右栏 sticky 摘要卡 */
.side-col{position:sticky;top:calc(var(--nav-h) + 20px);}
.summary-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  box-shadow:var(--sh-2);
  padding:22px;
}
.summary-card h3{
  font-size:16px;font-weight:700;margin-bottom:6px;
}
.summary-card .sum-sub{font-size:13px;color:var(--text-400);margin-bottom:16px;}
.anchor-list{display:grid;gap:4px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;
  border-radius:var(--r-8);
  font-size:14px;color:var(--text-600);
  border-left:3px solid transparent;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.anchor-list a:hover{background:var(--brand-050);color:var(--brand-600);border-left-color:var(--brand-500);}
.anchor-list a i{font-size:12px;color:var(--brand-500);}
.anchor-list a .dot{margin-left:auto;font-size:12px;color:var(--text-400);font-variant-numeric:tabular-nums;}
.summary-divider{height:1px;background:var(--line);margin:18px 0;}
.summary-facts{display:grid;gap:12px;}
.summary-facts div{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;}
.summary-facts span{color:var(--text-400);}
.summary-facts b{font-size:14px;font-weight:700;color:var(--text-900);font-variant-numeric:tabular-nums;}
.summary-cta{margin-top:18px;display:grid;gap:10px;}
.summary-cta .btn{width:100%;}

/* ---------- FAQ ---------- */
.faq-section{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-list{margin-top:30px;display:grid;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-12);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--t-card),box-shadow var(--t-card);
}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text-900);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--brand-500);
  opacity:0;
  transition:opacity var(--t-card);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q .q-index{
  font-size:13px;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.faq-q .q-icon{
  margin-left:auto;
  width:28px;height:28px;flex:0 0 28px;
  border-radius:50%;
  background:var(--bg-alt);
  color:var(--text-600);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform var(--t-card),background var(--t-card),color var(--t-card);
}
.faq-item.is-open .q-icon{transform:rotate(180deg);background:var(--brand-050);color:var(--brand-600);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--t-card);
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  font-size:15px;line-height:1.75;color:var(--text-600);
}
.faq-a-inner p + p{margin-top:10px;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:var(--ink-900);
  border-radius:var(--r-24);
  padding:44px;
  color:#fff;
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,91,24,.42),transparent 68%);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:28px;line-height:1.36;font-weight:700;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(246,242,236,.72);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;}
.cta-points{display:grid;gap:12px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:12px;
  padding:16px 18px;
  border-radius:var(--r-12);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  font-size:14px;line-height:1.7;color:rgba(246,242,236,.86);
}
.cta-points li i{color:var(--gold-400);margin-top:4px;font-size:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:var(--ink-900);
  color:#B9B3C0;
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:-.2px;}
.footer-desc{line-height:1.8;color:#B9B3C0;max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-12);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);
  color:#B9B3C0;
  transition:transform var(--t-fast),background var(--t-fast),color var(--t-fast);
}
.footer-social a:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  display:inline-block;
  color:#B9B3C0;
  transition:color var(--t-fast),transform var(--t-fast);
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{line-height:1.8;color:#B9B3C0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8E8896;
}
.footer-bottom .note{color:#8E8896;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .layout-split{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;}
}
@media (max-width:1023px){
  .nav-channels,.nav-actions .search-box,.nav-login,.nav-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:16px;}
  .nav-actions{margin-left:auto;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .layout-split{grid-template-columns:1fr;gap:32px;}
  .side-col{position:static;}
  .stage-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .section{padding:64px 0;}
  .page-hero h1{font-size:30px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero{min-height:200px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-sub{font-size:14px;}
  .stat-value{font-size:30px;}
  .stat-cell{padding:20px 16px;}
  .section-head h2{font-size:23px;}
  .article-block h2{font-size:21px;}
  .article-block h3{font-size:17px;}
  .stage-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:var(--r-16);}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .container{padding:0 16px;}
  .point-list li{flex-direction:column;gap:6px;}
}

/* roulang page: category3 */
:root{
  --brand-500:#F45B18;
  --brand-600:#D9450A;
  --brand-050:#FFF2E9;
  --accent-500:#12B5A0;
  --accent-050:#E6F7F3;
  --gold-400:#FFC24B;
  --ink-900:#14121B;
  --ink-800:#1E1B27;
  --ink-700:#2E2A3A;
  --text-900:#232029;
  --text-600:#5C5764;
  --text-400:#8E8896;
  --bg:#FAF8F5;
  --bg-alt:#F2EEE9;
  --card:#FFFFFF;
  --line:#E8E2DA;
  --line-strong:#D9D1C7;
  --danger:#D93A2B;
  --success:#0B7A6B;
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-24:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,27,.06);
  --sh-2:0 6px 20px -6px rgba(20,18,27,.12);
  --sh-3:0 18px 40px -12px rgba(20,18,27,.18);
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text-900);
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(244,91,24,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:linear-gradient(135deg,#FF7A33,#F45B18);color:#fff;box-shadow:0 8px 18px -10px rgba(244,91,24,.85)}
.btn-primary:hover{background:linear-gradient(135deg,#F45B18,#D9450A);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;border-color:var(--line-strong);color:var(--text-900)}
.btn-secondary:hover{border-color:var(--brand-500);color:var(--brand-500);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--brand-500);color:var(--brand-500)}
.btn-ghost:hover{background:var(--brand-050)}
.btn-block{display:flex;width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,245,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(20,18,27,.4)}
.nav-inner{display:flex;align-items:center;height:68px;gap:16px}
.brand-link{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#FF8A3D,#F45B18);color:#fff;font-size:14px;
  box-shadow:0 6px 12px -8px rgba(244,91,24,.9);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--text-900);white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-channels a{
  position:relative;display:inline-flex;align-items:center;height:68px;
  padding:0 14px;font-size:15px;color:var(--text-600);
  transition:color var(--ease);
}
.nav-channels a:hover{color:var(--brand-500)}
.nav-channels a.is-active{color:var(--brand-500);font-weight:600}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;
  border-radius:3px;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{position:relative;display:block}
.nav-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-400);pointer-events:none}
.nav-search input{
  width:200px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 16px 0 38px;font-size:14px;color:var(--text-900);
  transition:width .2s ease-out,border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search input:focus{outline:none;width:260px;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,91,24,.16)}
.link-login{font-size:14px;color:var(--text-600);padding:8px 8px;border-radius:var(--r-8);transition:color var(--ease)}
.link-login:hover{color:var(--brand-500)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--text-900);
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-500)}

/* ---------- 移动端抽屉 ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(20,18,27,.46);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .24s ease-out;
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;
  background:#fff;z-index:80;padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s cubic-bezier(.22,.61,.36,1);
  box-shadow:var(--sh-3);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-600);cursor:pointer;transition:all var(--ease);
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-500)}
.drawer-search{position:relative;margin-bottom:18px}
.drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-400)}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-12);border:1px solid var(--line);
  background:#fff;padding:0 14px 0 38px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,91,24,.16)}
.drawer-nav{display:grid;gap:6px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:var(--r-8);font-size:15px;color:var(--text-600);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-500)}
.drawer-nav a.is-active{background:var(--brand-050);color:var(--brand-500);font-weight:600}
.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ---------- 首屏 / 页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);isolation:isolate}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(105deg,rgba(20,18,27,.95) 0%,rgba(20,18,27,.78) 52%,rgba(20,18,27,.44) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:48px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:var(--brand-500);font-weight:600}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(244,91,24,.18);color:#FFB083;
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.page-hero h1{
  font-size:40px;line-height:1.22;color:#fff;margin-bottom:14px;
  max-width:780px;
}
.hero-sub{font-size:17px;line-height:30px;color:rgba(255,255,255,.72);max-width:640px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips span{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.86);font-size:13px;
}
.hero-chips span i{color:var(--gold-400)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-filter{padding:36px 0 0}
.section-faq{padding:28px 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:28px;line-height:36px}
.section-head p{margin-top:8px;font-size:15px;line-height:24px;color:var(--text-600);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:600;margin-bottom:14px;
}

/* ---------- 筛选条 ---------- */
.filter-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.filter-head h2{font-size:20px;line-height:30px}
.filter-count{font-size:13px;color:var(--text-400);font-variant-numeric:tabular-nums}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap}
.filter-pill{
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:#fff;color:var(--text-600);
  font-size:14px;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.filter-pill:hover{border-color:var(--brand-500);color:var(--brand-500)}
.filter-pill.is-active{
  background:var(--brand-500);border-color:var(--brand-500);color:#fff;
  box-shadow:0 8px 16px -10px rgba(244,91,24,.9);
}

/* ---------- FAQ 手风琴 ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--sh-2)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:flex-start;gap:12px;
  padding:20px 22px;background:none;border:0;text-align:left;
  font-size:16px;line-height:26px;font-weight:600;color:var(--text-900);cursor:pointer;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand-500);opacity:0;
  transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .faq-tag{
  flex-shrink:0;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--bg-alt);color:var(--text-600);
  font-size:12px;font-weight:500;
}
.faq-q .faq-icon{margin-left:auto;padding-top:5px;font-size:13px;color:var(--text-400);transition:transform .22s ease-out,color var(--ease)}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(180deg);color:var(--brand-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a-inner{padding:0 22px 22px 22px;font-size:15px;line-height:26px;color:var(--text-600)}
.faq-a-inner strong{color:var(--text-900);font-weight:600}

/* ---------- 三列图文卡墙 ---------- */
.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.wall-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-16);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .22s ease-out,transform .22s ease-out,border-color var(--ease);
}
.wall-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(244,91,24,.3)}
.wall-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-050);overflow:hidden}
.wall-thumb img{width:100%;height:100%;object-fit:cover;box-shadow:inset 0 0 0 999px rgba(20,18,27,.04)}
.wall-thumb .wall-badge{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-600);
  font-size:12px;font-weight:600;box-shadow:var(--sh-1);
}
.wall-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.wall-body h3{font-size:18px;line-height:28px}
.wall-body p{font-size:14px;line-height:24px;color:var(--text-600);flex:1}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:var(--brand-500);transition:gap var(--ease),color var(--ease);cursor:pointer;
}
.text-link:hover{gap:12px;color:var(--brand-600)}

/* ---------- 提示语处理列表 ---------- */
.clue-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-24);
  box-shadow:var(--sh-1);overflow:hidden;
}
.clue-row{
  display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:center;
  padding:20px 26px;border-bottom:1px dashed var(--line);
  transition:background var(--ease);
}
.clue-row:last-child{border-bottom:0}
.clue-row:hover{background:#FCFAF7}
.clue-code{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-8);
  background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:600;width:fit-content;
}
.clue-code i{font-size:12px}
.clue-row p{font-size:14px;line-height:24px;color:var(--text-600)}

/* ---------- CTA 条 ---------- */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--brand-050);border:1px solid #FBDCC8;border-radius:var(--r-16);
  padding:26px 30px;
}
.cta-strip h3{font-size:20px;line-height:30px;margin-bottom:6px}
.cta-strip p{font-size:14px;line-height:24px;color:var(--text-600)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#B9B3C0;padding:72px 0 0;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:13px}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;letter-spacing:-.2px}
.footer-desc{font-size:14px;line-height:24px;margin:0;color:#B9B3C0}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);color:#B9B3C0;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600}
.footer-col ul{display:grid;gap:10px}
.footer-col a{display:inline-block;font-size:14px;color:#B9B3C0;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:24px;margin:0;color:#B9B3C0}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);margin-top:48px;
  padding:24px 0 32px;font-size:13px;color:#8E8896;
}
.footer-bottom .note{color:#6F6A78}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1140px}
  .clue-row{grid-template-columns:240px 1fr}
}
@media (max-width:1023px){
  .nav-channels,.nav-search,.link-login,.nav-actions .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
  .page-hero h1{font-size:32px;line-height:1.28}
  .hero-sub{font-size:16px;line-height:28px}
  .section{padding:72px 0}
  .section-filter{padding:32px 0 0}
  .section-faq{padding:24px 0 72px}
  .card-wall{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-filter{padding:26px 0 0}
  .section-faq{padding:20px 0 56px}
  .page-hero .container{padding-top:30px;padding-bottom:34px}
  .page-hero h1{font-size:26px;line-height:1.34}
  .breadcrumb{font-size:13px;margin-bottom:16px}
  .hero-chips span{font-size:12px;height:30px;padding:0 12px}
  .section-head h2{font-size:22px;line-height:32px}
  .section-head{margin-bottom:24px}
  .card-wall{grid-template-columns:1fr}
  .clue-row{grid-template-columns:1fr;gap:12px;padding:18px 20px}
  .faq-q{font-size:15px;line-height:24px;padding:18px}
  .faq-q .faq-tag{display:none}
  .faq-a-inner{padding:0 18px 18px 18px;font-size:14px;line-height:25px}
  .cta-strip{padding:22px;gap:18px}
  .cta-strip .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:16px}
  .hero-chips{gap:8px}
  .filter-bar{gap:8px}
  .filter-pill{height:34px;padding:0 14px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
}