/* roulang page: index */
:root{
  --bg-base:#060B14; --bg-panel:#0C1622; --bg-raise:#111E2E;
  --brand-1:#22D3EE; --brand-2:#3B82F6; --accept:#34D399; --urgent:#FF9F45;
  --tx-1:#E8EFF9; --tx-2:#A6B6CB; --tx-3:#6C7C92;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.045);
  --r-card:18px; --r-btn:12px; --r-input:12px; --r-img:14px;
  --shadow-base:0 1px 0 rgba(255,255,255,.06) inset, 0 12px 32px -18px rgba(0,0,0,.8);
  --shadow-hover:0 20px 48px -20px rgba(34,211,238,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-base);color:var(--tx-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(680px 420px at 8% -6%, rgba(34,211,238,.13), transparent 62%),
    radial-gradient(760px 520px at 96% 4%, rgba(59,130,246,.12), transparent 60%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,211,238,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#080E18}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;border:2px solid #080E18}
::-webkit-scrollbar-thumb:hover{background:rgba(34,211,238,.45)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.section{padding:104px 0;position:relative;z-index:1}
.section-tight{padding:56px 0;position:relative;z-index:1}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 顶部公告 ---------- */
.notice-bar{
  position:relative;z-index:2;height:36px;display:flex;align-items:center;justify-content:center;gap:10px;
  font-size:13px;color:#FFF3E6;background:linear-gradient(90deg,rgba(255,159,69,.16),rgba(255,159,69,.05) 55%,rgba(255,159,69,.16));
  border-bottom:1px solid rgba(255,159,69,.22);
}
.notice-bar strong{color:var(--urgent);font-weight:600}
.notice-bar a{color:#FFD9B0;text-decoration:underline;text-underline-offset:3px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;height:64px;display:flex;align-items:center;
  background:rgba(6,11,20,.35);backdrop-filter:blur(10px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:height var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.scrolled{height:56px;background:rgba(6,11,20,.86);backdrop-filter:blur(16px) saturate(130%);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.nav-left{display:flex;align-items:center;gap:20px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:24px;height:24px;flex:0 0 auto;color:var(--brand-1)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line1{font-size:15px;font-weight:700;color:var(--tx-1);letter-spacing:.01em;white-space:nowrap}
.brand-line2{font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--tx-1);opacity:.72;white-space:nowrap}
.brand-divider{width:1px;height:26px;flex:0 0 auto;background:linear-gradient(180deg,transparent,rgba(34,211,238,.8),transparent);box-shadow:0 0 8px rgba(34,211,238,.55)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{position:relative;padding:8px 12px;font-size:14px;color:var(--tx-2);border-radius:8px;white-space:nowrap}
.nav-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--tx-1);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));box-shadow:0 0 10px rgba(34,211,238,.85);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;
  color:var(--tx-2);border:1px solid transparent;transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.icon-btn:hover{color:var(--tx-1);background:rgba(255,255,255,.06);border-color:var(--line)}
.search-wrap{display:flex;align-items:center}
.search-field{
  width:0;opacity:0;overflow:hidden;transition:width var(--dur) var(--ease),opacity var(--dur) var(--ease),margin var(--dur) var(--ease);
}
.search-wrap.open .search-field{width:240px;opacity:1;margin-right:10px}
.search-field input{
  width:100%;height:38px;padding:0 14px;font-size:14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.045);border:1px solid var(--line);color:var(--tx-1);
  backdrop-filter:blur(14px);
}
.search-field input::placeholder{color:var(--tx-3)}
.search-field input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 6px rgba(34,211,238,.12)}
.hamburger{display:none}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),filter var(--dur) var(--ease),background var(--dur) var(--ease);
}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:linear-gradient(120deg,var(--brand-1),var(--brand-2));color:#06121F;box-shadow:0 12px 30px -14px rgba(34,211,238,.75)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 42px -16px rgba(34,211,238,.9)}
.btn-glass{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.22);color:var(--tx-1);backdrop-filter:blur(14px) saturate(130%)}
.btn-glass:hover{transform:translateY(-2px);border-color:var(--brand-1);box-shadow:0 16px 36px -20px rgba(34,211,238,.5)}
.btn-ghost{height:auto;padding:0;background:transparent;color:var(--tx-1);font-weight:600}
.btn-ghost:hover{color:var(--brand-1)}
.btn-ghost svg{transition:transform var(--dur) var(--ease)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn:active{transform:translateY(0) scale(.99)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;font-style:normal;background:var(--glass);border:1px solid var(--line);color:var(--tx-2);
  backdrop-filter:blur(10px);white-space:nowrap;
}
.badge-cat{border-color:rgba(34,211,238,.5);color:var(--brand-1)}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accept);box-shadow:0 0 8px rgba(52,211,153,.9)}

/* 玻璃面板 */
.glass{
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line);border-top-color:var(--line-strong);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-base);
}

/* ---------- Hero ---------- */
.hero{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:560px;padding:56px 0 88px}
.hero-left h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-0.01em;font-weight:700;
  color:var(--tx-1);margin:20px 0 0;
}
.hero-sub{margin:20px 0 0;font-size:17px;line-height:1.85;color:var(--tx-2);max-width:62ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{list-style:none;display:flex;margin:40px 0 0;padding:0}
.hero-metrics li{position:relative;display:flex;flex-direction:column;gap:2px;padding:0 22px}
.hero-metrics li:first-child{padding-left:0}
.hero-metrics li + li::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.hero-metrics span{font-size:24px;font-weight:700;color:var(--tx-1);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-metrics em{font-size:13px;font-style:normal;color:var(--tx-3)}
.hero-visual{position:relative}
.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-base)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(6,11,20,.66) 0%,rgba(6,11,20,.45) 52%,rgba(12,22,34,.58) 100%);
}
.hero-float{
  position:absolute;right:-18px;bottom:-24px;width:min(66%,268px);
  display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;
  background:rgba(12,22,34,.92);border:1px solid rgba(34,211,238,.45);
  box-shadow:0 22px 50px -22px rgba(34,211,238,.5);
  transform:rotate(-2deg);backdrop-filter:blur(14px) saturate(130%);
}
.hero-float img{width:56px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.hero-float-text{display:flex;flex-direction:column;line-height:1.45;min-width:0}
.hero-float-text strong{font-size:14px;color:var(--tx-1)}
.hero-float-text span{font-size:12px;color:var(--tx-3)}

/* ---------- 信任指标条 ---------- */
.trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(12,22,34,.55);position:relative;z-index:1}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{position:relative;padding:28px 24px;display:flex;flex-direction:column;gap:4px}
.trust-item + .trust-item::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:1px;background:var(--line)}
.trust-num{font-size:28px;font-weight:700;color:var(--tx-1);font-variant-numeric:tabular-nums;line-height:1.15}
.trust-label{font-size:13px;color:var(--tx-3);line-height:1.6}

/* ---------- 通用板块头 ---------- */
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;color:var(--tx-1);margin:0 0 14px}
.section-head p{margin:0;color:var(--tx-2);max-width:68ch;line-height:1.85}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}

/* ---------- 档位阶梯 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier{
  position:relative;padding:30px 24px 26px;border-radius:var(--r-card);
  background:rgba(255,255,255,.045);border:1px solid var(--line);border-top-color:var(--line-strong);
  backdrop-filter:blur(14px) saturate(130%);box-shadow:var(--shadow-base);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tier::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:0 4px 4px 0;background:var(--brand-1)}
.tier-2::before{background:var(--brand-2)}
.tier-3::before{background:var(--urgent)}
.tier-2{margin-top:28px}
.tier-3{margin-top:56px}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,238,.35)}
.tier-featured{
  border-color:rgba(34,211,238,.55);
  box-shadow:0 0 0 1px rgba(34,211,238,.16),0 24px 60px -28px rgba(34,211,238,.55);
  transform:scale(1.03);
}
.tier-featured:hover{transform:translateY(-4px) scale(1.03)}
.tier-badge{
  position:absolute;top:-13px;right:18px;height:26px;padding:0 12px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  background:var(--bg-raise);border:1px solid var(--line);color:var(--tx-2);
}
.tier-featured .tier-badge{color:var(--brand-1);border-color:rgba(34,211,238,.55)}
.tier h3{font-size:19px;line-height:1.4;font-weight:600;margin:0 0 8px}
.tier p{font-size:14px;line-height:1.8;color:var(--tx-2);margin:0 0 18px}
.tier-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin:0 0 22px}
.tier-list li{position:relative;padding-left:22px;font-size:14px;color:var(--tx-2);line-height:1.7}
.tier-list li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:6px;
  border-left:2px solid var(--accept);border-bottom:2px solid var(--accept);transform:rotate(-45deg);
}

/* ---------- 对照表 ---------- */
.table-shell{position:relative;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(255,255,255,.03);backdrop-filter:blur(14px) saturate(130%);box-shadow:var(--shadow-base)}
.table-scroll{overflow-x:auto;border-radius:var(--r-card)}
.compare-table{width:100%;border-collapse:collapse;font-size:15px;min-width:100%}
.compare-table th{
  position:sticky;top:0;z-index:2;height:56px;padding:0 20px;text-align:left;
  background:var(--bg-raise);color:var(--tx-1);font-size:14px;font-weight:600;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table td{height:56px;padding:0 20px;color:var(--tx-2);border-bottom:1px solid var(--line-soft);white-space:nowrap}
.compare-table tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table td:first-child{color:var(--tx-1);font-weight:500}
.mark-yes{display:inline-flex;align-items:center;gap:8px;color:var(--accept)}
.mark-yes::before{content:"";width:10px;height:6px;border-left:2px solid var(--accept);border-bottom:2px solid var(--accept);transform:rotate(-45deg)}
.mark-no{display:inline-flex;align-items:center;gap:8px;color:var(--tx-3)}
.mark-no::before{content:"";width:14px;height:1px;background:var(--tx-3);display:inline-block}
.table-fade{
  display:none;position:absolute;top:0;right:0;bottom:0;width:56px;border-radius:0 var(--r-card) var(--r-card) 0;
  background:linear-gradient(90deg,rgba(6,11,20,0),rgba(6,11,20,.92));pointer-events:none;
}
.table-hint{display:none;margin-top:12px;font-size:13px;color:var(--tx-3)}

/* ---------- 限时入口条 ---------- */
.spotlight{
  display:flex;align-items:center;gap:28px;padding:22px 26px;border-radius:var(--r-card);
  background:rgba(255,255,255,.045);border:1px solid var(--line);border-top-color:var(--line-strong);
  backdrop-filter:blur(14px) saturate(130%);box-shadow:var(--shadow-base);
}
.countdown{display:flex;gap:8px;flex:0 0 auto}
.cd-cell{
  width:58px;height:62px;border-radius:12px;background:var(--bg-raise);
  border:1px solid rgba(255,159,69,.35);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
}
.cd-cell b{font-size:21px;line-height:1;color:var(--urgent);font-variant-numeric:tabular-nums}
.cd-cell i{font-size:11px;font-style:normal;color:var(--tx-3)}
.spotlight-text{flex:1 1 auto;min-width:0;font-size:15px;color:var(--tx-2);line-height:1.75}
.spotlight-text strong{color:var(--tx-1);font-weight:600}
.breath{animation:breath 2.4s var(--ease) infinite}
@keyframes breath{
  0%,100%{box-shadow:0 10px 26px -14px rgba(34,211,238,.6)}
  50%{box-shadow:0 16px 42px -10px rgba(34,211,238,.95)}
}
@media (prefers-reduced-motion: reduce){
  .breath{animation:none}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:36px}
.step::before{content:"";position:absolute;top:11px;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(34,211,238,.6),rgba(59,130,246,.4),rgba(255,255,255,.06))}
.step:last-child::before{background:linear-gradient(90deg,rgba(59,130,246,.45),rgba(255,255,255,.04))}
.step-dot{
  position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--bg-base);border:1.5px solid var(--brand-1);box-shadow:0 0 0 4px rgba(34,211,238,.1);
}
.step em{display:block;font-style:normal;font-size:12px;letter-spacing:.08em;color:var(--brand-1);margin-bottom:8px}
.step h3{font-size:18px;line-height:1.4;font-weight:600;margin:0 0 8px}
.step p{font-size:14px;line-height:1.8;color:var(--tx-2)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:rgba(255,255,255,.045);border:1px solid var(--line);border-top-color:var(--line-strong);
  backdrop-filter:blur(14px) saturate(130%);box-shadow:var(--shadow-base);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,238,.35)}
.news-thumb{position:relative;aspect-ratio:16/10;background:var(--bg-raise);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-cat{position:absolute;top:12px;left:12px}
.news-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1;gap:10px}
.news-title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--tx-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;line-height:1.75;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--tx-3);
}
.news-foot time{font-variant-numeric:tabular-nums}
.news-foot .arrow{display:inline-flex;align-items:center;gap:6px;color:var(--tx-3)}
.news-foot svg{transition:transform var(--dur) var(--ease)}
.news-card:hover .news-foot svg{transform:translateX(4px)}
.news-empty{
  border:1px dashed rgba(255,255,255,.22);border-radius:var(--r-card);background:rgba(255,255,255,.03);
  padding:64px 24px;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
}
.news-empty svg{color:var(--tx-3)}
.news-empty p{color:var(--tx-2);font-size:15px}
.news-empty a{color:var(--brand-1);font-size:14px;text-decoration:underline;text-underline-offset:4px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-btn);background:rgba(255,255,255,.04);border:1px solid var(--line);
  overflow:hidden;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-item:hover{border-color:rgba(34,211,238,.28)}
.faq-item[open]{border-color:rgba(34,211,238,.4);background:rgba(255,255,255,.055)}
.faq-item summary{
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--tx-1);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand-1);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.faq-plus::before{left:0;top:8px;width:18px;height:2px}
.faq-plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0}
.faq-item[open] .faq-plus::before{transform:rotate(180deg)}
.faq-body{padding:0 22px 22px;max-width:68ch;font-size:15px;line-height:1.9;color:var(--tx-2)}
.faq-body p + p{margin-top:16px}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:62fr 38fr;gap:28px;align-items:start}
.form-card{padding:32px 30px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--tx-3)}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);font-size:15px;
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.12);color:var(--tx-1);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.field textarea{min-height:132px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 6px rgba(34,211,238,.12);background:rgba(255,255,255,.05)}
.form-note{font-size:13px;color:var(--tx-3);margin-top:14px;line-height:1.7}
.form-feedback{display:none;margin-top:14px;font-size:14px;color:var(--accept)}
.form-feedback.show{display:block}
.info-card{padding:28px 24px}
.info-list{list-style:none;display:flex;flex-direction:column;gap:18px;margin-top:20px}
.info-list li{display:flex;gap:12px;align-items:flex-start}
.info-list svg{flex:0 0 auto;margin-top:4px;color:var(--brand-1)}
.info-list b{display:block;font-size:14px;color:var(--tx-1);font-weight:600;margin-bottom:2px}
.info-list span{font-size:14px;color:var(--tx-2);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;background:#04070E;border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;position:relative;z-index:1}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{color:var(--brand-1)}
.footer-brand .brand-line1{font-size:15px;font-weight:700;color:var(--tx-1);display:block;line-height:1.3}
.footer-brand .brand-line2{font-size:11px;letter-spacing:.06em;color:var(--tx-1);opacity:.72;display:block;line-height:1.3}
.footer-desc{font-size:14px;line-height:1.85;color:var(--tx-2);max-width:34ch}
.footer-title{font-size:14px;font-weight:600;color:var(--tx-1);margin:0 0 18px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer-links a{color:var(--tx-2)}
.footer-links a:hover{color:var(--brand-1)}
.footer-bottom{
  position:relative;margin-top:56px;padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:var(--tx-3);
}
.footer-bottom::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.4),rgba(59,130,246,.3),transparent);
}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.65);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:80;
  background:rgba(8,14,24,.97);backdrop-filter:blur(18px) saturate(130%);
  border-left:1px solid var(--line);transform:translateX(100%);
  transition:transform 280ms var(--ease);display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-search input{width:100%;height:42px;padding:0 14px;border-radius:var(--r-input);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--tx-1);font-size:14px}
.drawer-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 6px rgba(34,211,238,.12)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin:22px 0 0}
.drawer-nav a{padding:13px 14px;border-radius:10px;font-size:15px;color:var(--tx-2);border:1px solid transparent}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
.drawer-nav a.active{color:var(--tx-1);font-weight:600;background:rgba(34,211,238,.1);border-color:rgba(34,211,238,.3)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft)}
.drawer-foot .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .container,.nav-wrap{padding:0 24px}
  .nav-links,.search-wrap{display:none}
  .hamburger{display:inline-flex}
  .section{padding:72px 0}
  .section-tight{padding:44px 0}
  .section-head{margin-bottom:36px}
  .hero-grid{grid-template-columns:1fr;gap:44px;min-height:0;padding:36px 0 64px}
  .hero-visual{order:2}
  .hero-float{right:8px;bottom:-20px}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-2,.tier-3{margin-top:0}
  .tier-featured{transform:none}
  .tier-featured:hover{transform:translateY(-4px)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .step:nth-child(3)::before{background:linear-gradient(90deg,rgba(34,211,238,.6),rgba(59,130,246,.4),rgba(255,255,255,.06))}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .spotlight{flex-wrap:wrap;gap:20px}
  .spotlight-text{flex:1 1 100%;order:3}
  .spotlight .btn{order:2}
  .table-fade{display:block}
  .table-hint{display:block}
}
@media (max-width:768px){
  .container,.nav-wrap{padding:0 20px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{padding:22px 16px}
  .trust-item + .trust-item::before{display:none}
  .trust-item:nth-child(odd){border-right:1px solid var(--line)}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line)}
  .form-card{padding:24px 20px}
  .form-row{grid-template-columns:1fr;gap:0}
  .hero-metrics{flex-wrap:wrap;row-gap:18px}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .section-tight{padding:36px 0}
  .brand-line1{font-size:13px}
  .brand-line2{font-size:10px}
  .nav-left{gap:12px}
  .nav-right{gap:8px}
  .hero-metrics li{padding:0 16px}
  .hero-metrics span{font-size:20px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step::before{display:none}
  .step{padding-top:30px}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cd-cell{width:52px;height:56px}
  .cd-cell b{font-size:18px}
  .spotlight{padding:18px}
}
@media (max-width:400px){
  .hero-float{width:78%}
}

/* roulang page: article */
:root{
  --bg-base:#060B14;
  --bg-panel:#0C1622;
  --bg-raise:#111E2E;
  --bg-foot:#04070E;
  --brand-1:#22D3EE;
  --brand-2:#3B82F6;
  --accept:#34D399;
  --urgent:#FF9F45;
  --tx-1:#E8EFF9;
  --tx-2:#A6B6CB;
  --tx-3:#6C7C92;
  --err:#FF7A6B;
  --warn:#F5C24B;
  --glass-bg:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.10);
  --glass-top:rgba(255,255,255,.18);
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shell:1200px;
  --sh-1:0 1px 0 rgba(255,255,255,.06) inset, 0 12px 32px -18px rgba(0,0,0,.8);
  --sh-hover:0 20px 48px -20px rgba(34,211,238,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-top:64px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(720px 420px at 12% -6%, rgba(34,211,238,.13), transparent 62%),
    radial-gradient(680px 380px at 92% 4%, rgba(59,130,246,.12), transparent 60%);
  z-index:0;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,211,238,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-base)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:rgba(34,211,238,.4)}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:64px;display:flex;align-items:center;
  background:rgba(6,11,20,.35);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:height var(--dur) var(--ease),background var(--dur) var(--ease);
}
.site-header.is-scrolled{height:56px;background:rgba(6,11,20,.86);backdrop-filter:blur(16px) saturate(130%)}
.header-inner{width:100%;max-width:var(--shell);margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:30px}
.brand{position:relative;display:flex;align-items:center;gap:10px;padding-left:15px;flex:0 0 auto}
.brand::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:30px;border-radius:2px;
  background:linear-gradient(180deg,rgba(34,211,238,0),rgba(34,211,238,.92),rgba(34,211,238,0));
  box-shadow:0 0 10px rgba(34,211,238,.7);
}
.brand-mark{width:24px;height:24px;color:var(--brand-1);flex:0 0 auto}
.brand-text{display:block;line-height:1.15}
.brand-line1{display:block;font-size:15px;font-weight:700;color:var(--tx-1);letter-spacing:.01em}
.brand-line2{display:block;font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--tx-1);opacity:.72}
.nav-links{display:flex;align-items:center;gap:26px;flex:1 1 auto}
.nav-links a{position:relative;font-size:14px;color:var(--tx-2);padding:6px 2px;transition:color var(--dur) var(--ease)}
.nav-links a:hover{color:var(--tx-1)}
.nav-links a.active{color:var(--tx-1);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;bottom:0;width:60%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 10px rgba(34,211,238,.8);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.search-wrap{display:flex;align-items:center;gap:8px}
.search-input{
  width:0;opacity:0;height:38px;padding:0;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);
  color:var(--tx-1);font-size:14px;transition:width var(--dur) var(--ease),opacity var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.search-input::placeholder{color:var(--tx-3)}
.search-input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(34,211,238,.14)}
.search-wrap.open .search-input{width:240px;opacity:1;padding:0 14px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);color:var(--tx-2);cursor:pointer;
  transition:all var(--dur) var(--ease);
}
.icon-btn:hover{color:var(--tx-1);border-color:var(--brand-1);transform:translateY(-2px)}
.menu-btn{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);color:var(--tx-1);cursor:pointer;
}
.menu-btn:hover{border-color:var(--brand-1)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all var(--dur) var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#06121F;
  box-shadow:0 10px 30px -14px rgba(34,211,238,.75);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-glass{
  background:var(--glass-bg);border-color:rgba(255,255,255,.22);color:var(--tx-1);
  backdrop-filter:blur(14px) saturate(130%);
}
.btn-glass:hover{border-color:var(--brand-1);color:#fff;transform:translateY(-2px)}
.btn-glass:active{transform:translateY(0) scale(.99)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);
  font-size:14px;font-weight:600;background:none;border:0;padding:0;cursor:pointer;
}
.btn-text svg{transition:transform var(--dur) var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

.drawer-mask{position:fixed;inset:0;background:rgba(4,7,14,.62);backdrop-filter:blur(3px);z-index:88}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:302px;max-width:86vw;z-index:90;
  background:linear-gradient(180deg,var(--bg-panel),var(--bg-base));
  border-left:1px solid var(--glass-border);
  transform:translateX(100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;padding:20px 20px 18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  display:block;padding:12px 12px;border-radius:var(--r-btn);font-size:15px;color:var(--tx-2);
  border:1px solid transparent;transition:all var(--dur) var(--ease);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--tx-1);background:rgba(255,255,255,.05);border-color:var(--glass-border)}
.drawer-search{width:100%;height:42px;margin:18px 0 6px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);color:var(--tx-1);font-size:14px}
.drawer-search:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(34,211,238,.14)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.08)}
.drawer-foot .btn{width:100%}

/* ---------- article ---------- */
.article-shell{padding-top:118px;padding-bottom:0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3)}
.breadcrumb a{color:var(--tx-3);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb li[aria-current]{color:var(--tx-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.breadcrumb .sep{color:rgba(255,255,255,.22)}

.badge-cat{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;
  border-radius:999px;font-size:13px;font-weight:600;color:var(--brand-1);
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.4);
}
.badge-status{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;
  border-radius:999px;font-size:13px;color:var(--accept);
  background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.28);
}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accept);box-shadow:0 0 8px rgba(52,211,153,.9)}

.article-head{margin-top:22px}
.article-head h1{
  font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.01em;
  font-weight:700;color:var(--tx-1);max-width:20ch;margin-top:16px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13px;color:var(--tx-3)}
.meta-row .divider{width:1px;height:12px;background:rgba(255,255,255,.16)}
.grad-line{display:block;width:72px;height:3px;border-radius:3px;margin-top:22px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));box-shadow:0 0 14px rgba(34,211,238,.55)}

.cover-figure{margin-top:36px;border-radius:20px;overflow:hidden;border:1px solid var(--glass-border);background:var(--bg-raise)}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-figure figcaption{font-size:13px;color:var(--tx-3);text-align:center;padding:12px 16px;border-top:1px solid rgba(255,255,255,.06)}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;margin-top:52px;padding-bottom:80px}
.article-body{font-size:16px;line-height:1.9;color:var(--tx-2);max-width:68ch}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;padding-left:16px;margin:40px 0 16px;
  font-size:clamp(20px,2vw,26px);line-height:1.35;font-weight:700;color:var(--tx-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.article-body h3{margin:28px 0 12px;font-size:18px;line-height:1.4;font-weight:600;color:var(--tx-1)}
.article-body p{margin:18px 0}
.article-body strong{color:var(--tx-1)}
.article-body ul{margin:18px 0;padding-left:2px}
.article-body ul li{position:relative;padding-left:18px;margin:10px 0;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand-1)}
.article-body ol{margin:18px 0;padding-left:24px;list-style:decimal}
.article-body ol li{margin:10px 0;line-height:1.8}
.article-body ol li::marker{color:var(--brand-1);font-weight:600}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;border-left:3px solid var(--brand-1);
  border-radius:0 var(--r-img) var(--r-img) 0;
  background:var(--glass-bg);color:var(--tx-2);
  border-top:1px solid var(--glass-border);border-right:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(130%);
}
.article-body img{border-radius:12px;margin:22px 0;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figure figcaption{font-size:13px;color:var(--tx-3);text-align:center;margin-top:8px}
.article-body a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#7FE9F8}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--glass-border);border-radius:12px;overflow:hidden}
.article-body th{background:var(--bg-raise);color:var(--tx-1);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.07)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;font-size:14px;color:#9BE7F5}
.article-body pre{background:var(--bg-raise);border:1px solid var(--glass-border);padding:16px;border-radius:12px;overflow:auto;margin:22px 0}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,rgba(34,211,238,.5),rgba(255,255,255,.05),transparent);margin:34px 0}

.article-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:16px}
.aside-card{
  background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--r-card);
  padding:20px;backdrop-filter:blur(14px) saturate(130%);
  box-shadow:var(--sh-1);position:relative;
}
.aside-card::before{
  content:"";position:absolute;top:0;left:14px;right:14px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,0),var(--glass-top),rgba(255,255,255,0));
}
.aside-title{font-size:14px;font-weight:700;color:var(--tx-1);letter-spacing:.02em;margin-bottom:14px}
.aside-meta li{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.aside-meta li:last-child{border-bottom:0}
.aside-meta span{color:var(--tx-3)}
.aside-meta strong{color:var(--tx-1);font-weight:600}
.aside-links li+li{margin-top:4px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--tx-2);padding:9px 10px;border-radius:10px;
  transition:all var(--dur) var(--ease);
}
.aside-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.aside-links a svg{flex:0 0 auto;color:var(--brand-1);transition:transform var(--dur) var(--ease)}
.aside-links a:hover svg{transform:translateX(4px)}
.aside-tip p{font-size:13px;line-height:1.8;color:var(--tx-3)}
.aside-tip strong{color:var(--tx-2)}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.08)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--tx-2);background:rgba(255,255,255,.04);
  border:1px solid var(--glass-border);transition:all var(--dur) var(--ease);
}
.tag:hover{color:var(--brand-1);border-color:rgba(34,211,238,.55);transform:translateY(-2px)}

.back-link{margin-top:26px}

.related{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;color:var(--tx-1)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--glass-bg);
  border:1px solid var(--glass-border);border-radius:var(--r-card);padding:22px;
  backdrop-filter:blur(14px) saturate(130%);box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(34,211,238,.4)}
.rel-thumb{border-radius:var(--r-img);overflow:hidden;background:var(--bg-raise);aspect-ratio:16/10;margin-bottom:16px}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-card h3{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--tx-1);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card p{
  font-size:14px;color:var(--tx-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx-3);padding-top:14px;border-top:1px solid rgba(255,255,255,.07)}
.rel-meta svg{color:var(--brand-1);transition:transform var(--dur) var(--ease)}
.rel-card:hover .rel-meta svg{transform:translateX(4px)}
.dots{display:none;justify-content:center;gap:8px;margin-top:16px}
.dots span{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.18)}
.dots span.on{background:var(--brand-1);box-shadow:0 0 8px rgba(34,211,238,.8)}

.empty-state{
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-card);
  background:var(--glass-bg);padding:56px 28px;text-align:center;
  backdrop-filter:blur(14px) saturate(130%);
}
.empty-state svg{color:var(--brand-1);margin:0 auto 18px}
.empty-state h2{font-size:22px;font-weight:700;color:var(--tx-1);margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--tx-3);max-width:46ch;margin:0 auto 24px;line-height:1.85}

/* ---------- CTA ---------- */
.article-cta{padding:0 0 96px}
.cta-glass{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--glass-border);
  background:
    linear-gradient(135deg,rgba(34,211,238,.14),rgba(59,130,246,.10) 42%,rgba(255,255,255,.03)),
    rgba(12,22,34,.9);
  backdrop-filter:blur(14px) saturate(130%);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-1);
}
.cta-glass::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 200px at 88% 10%,rgba(34,211,238,.20),transparent 70%);
}
.cta-glass h2{font-size:clamp(20px,2.2vw,28px);line-height:1.3;font-weight:700;color:var(--tx-1);margin-bottom:10px}
.cta-glass p{font-size:15px;color:var(--tx-2);max-width:60ch}
.cta-glass .btn{position:relative;z-index:1;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-foot);border-top:1px solid rgba(255,255,255,.06);position:relative;z-index:1}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:24px;height:24px;color:var(--brand-1)}
.footer-desc{font-size:14px;color:var(--tx-3);line-height:1.85;max-width:42ch}
.footer-title{font-size:14px;font-weight:700;color:var(--tx-1);margin-bottom:16px;letter-spacing:.02em}
.footer-links li+li{margin-top:10px}
.footer-links a,.footer-links span{font-size:14px;color:var(--tx-3);transition:color var(--dur) var(--ease)}
.footer-links a:hover{color:var(--brand-1)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:var(--tx-3);
}

@media (max-width:1023px){
  body{padding-top:56px}
  .site-header{height:56px}
  .header-inner{padding:0 20px;gap:14px}
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .search-wrap{display:none}
  .brand-line1{font-size:13px}
  .brand-line2{font-size:10px}
  .header-actions .btn{height:38px;padding:0 15px;font-size:13px}
  .shell{padding:0 20px}
  .article-shell{padding-top:96px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px;margin-top:40px;padding-bottom:64px}
  .article-aside{position:static;display:grid;grid-template-columns:1fr;gap:14px;order:-1}
  .article-body{max-width:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .cta-glass{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .article-head h1{font-size:clamp(24px,7vw,32px);max-width:none}
  .rel-grid{
    display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;
    padding-bottom:6px;-webkit-overflow-scrolling:touch;
  }
  .rel-card{flex:0 0 82%;scroll-snap-align:start}
  .dots{display:flex}
  .article-cta{padding-bottom:68px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .header-actions .btn{display:none}
  .shell{padding:0 16px}
  .brand{padding-left:12px}
  .badge-cat,.badge-status{height:28px;padding:0 12px;font-size:12px}
  .cover-figure{border-radius:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
    --bg-base:#060B14;
    --bg-panel:#0C1622;
    --bg-raise:#111E2E;
    --brand-1:#22D3EE;
    --brand-2:#3B82F6;
    --accept:#34D399;
    --urgent:#FF9F45;
    --tx-1:#E8EFF9;
    --tx-2:#A6B6CB;
    --tx-3:#6C7C92;
    --err:#FF7A6B;
    --warn:#F5C24B;
    --glass:rgba(255,255,255,.045);
    --line:rgba(255,255,255,.10);
    --radius-card:18px;
    --radius-btn:12px;
    --shadow-1:0 1px 0 rgba(255,255,255,.06) inset, 0 12px 32px -18px rgba(0,0,0,.8);
    --shadow-hover:0 20px 48px -20px rgba(34,211,238,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-base);
    color:var(--tx-2);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background:
      radial-gradient(680px 420px at 12% -6%, rgba(34,211,238,.13), transparent 62%),
      radial-gradient(700px 460px at 92% 4%, rgba(59,130,246,.12), transparent 66%);
    z-index:0;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input{font:inherit;}
  ul{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700;}
  p{margin:0 0 20px;}
  p:last-child{margin-bottom:0;}
  :focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(6,11,20,.35);
    backdrop-filter:blur(12px) saturate(130%);
    -webkit-backdrop-filter:blur(12px) saturate(130%);
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:background .24s var(--ease),border-color .24s var(--ease);
  }
  .site-header.is-scrolled{background:rgba(6,11,20,.86);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);}
  .nav-inner{
    display:flex;align-items:center;justify-content:space-between;gap:24px;
    height:64px;transition:height .24s var(--ease);
  }
  .site-header.is-scrolled .nav-inner{height:56px;}
  .nav-left{display:flex;align-items:center;gap:18px;min-width:0;}
  .brand{display:flex;align-items:center;gap:10px;color:var(--tx-1);flex:none;}
  .brand-mark{width:24px;height:24px;color:var(--brand-1);flex:none;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-line1{font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--tx-1);}
  .brand-line2{font-size:11px;font-weight:500;letter-spacing:.06em;opacity:.72;color:var(--tx-1);}
  .brand-divider{
    width:1px;height:26px;flex:none;
    background:linear-gradient(180deg,transparent,rgba(34,211,238,.7),transparent);
    box-shadow:0 0 8px rgba(34,211,238,.45);
  }
  .nav-links{display:flex;align-items:center;gap:2px;}
  .nav-links a{
    position:relative;display:inline-block;
    font-size:14px;color:var(--tx-2);
    padding:8px 12px;border-radius:8px;
    transition:color .2s var(--ease),background .2s var(--ease);
    white-space:nowrap;
  }
  .nav-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.05);}
  .nav-links a.active{color:var(--tx-1);font-weight:600;}
  .nav-links a.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
    box-shadow:0 0 10px rgba(34,211,238,.8);
  }
  .nav-right{display:flex;align-items:center;gap:12px;flex:none;}
  .search-wrap{display:flex;align-items:center;position:relative;}
  .search-input{
    width:0;opacity:0;height:38px;padding:0;border-radius:10px;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.12);
    color:var(--tx-1);
    transition:width .26s var(--ease),opacity .2s var(--ease),padding .26s var(--ease),border-color .2s;
  }
  .search-input::placeholder{color:var(--tx-3);}
  .search-input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(34,211,238,.14);}
  .search-wrap.open .search-input{width:240px;opacity:1;padding:0 12px;}
  .icon-btn{
    width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;color:var(--tx-2);
    border:1px solid transparent;
    transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  }
  .icon-btn:hover{color:var(--tx-1);background:rgba(255,255,255,.06);border-color:var(--line);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-size:14px;font-weight:600;border:1px solid transparent;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
    white-space:nowrap;
  }
  .btn-sm{height:38px;padding:0 16px;font-size:13px;}
  .btn-lg{height:48px;padding:0 28px;font-size:15px;}
  .btn-primary{
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    color:#06121F;
    box-shadow:0 10px 30px -12px rgba(34,211,238,.65);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);}
  .btn-primary:active{transform:translateY(0) scale(.99);}
  .btn-ghost{
    background:rgba(255,255,255,.03);
    border-color:rgba(255,255,255,.22);
    color:var(--tx-1);
  }
  .btn-ghost:hover{border-color:var(--brand-1);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0) scale(.99);}
  .btn-link{
    height:auto;padding:0;background:none;color:var(--brand-1);
    display:inline-flex;align-items:center;gap:6px;font-size:14px;
  }
  .btn-link svg{transition:transform .2s var(--ease);}
  .btn-link:hover svg{transform:translateX(4px);}

  /* ---------- 首屏窄幅 ---------- */
  .hero-narrow{
    position:relative;min-height:280px;display:flex;align-items:center;overflow:hidden;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .hero-narrow::before{
    content:"";position:absolute;inset:0;
    background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    transform:scale(1.02);
  }
  .hero-narrow::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(6,11,20,.92) 0%,rgba(6,11,20,.72) 46%,rgba(6,11,20,.34) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:52px 0;max-width:760px;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:16px;flex-wrap:wrap;}
  .breadcrumb a{color:var(--tx-3);transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--brand-1);}
  .breadcrumb .sep{color:rgba(108,124,146,.7);}
  h1.hero-title{
    font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-.01em;font-weight:700;
    margin-bottom:18px;
  }
  .hero-sub{font-size:16px;line-height:1.85;color:var(--tx-2);max-width:64ch;}
  .hero-meta{display:flex;align-items:center;gap:14px;margin-top:24px;flex-wrap:wrap;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    height:26px;padding:0 12px;border-radius:999px;
    font-size:13px;line-height:1;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(34,211,238,.45);
    color:var(--tx-1);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    white-space:nowrap;
  }
  .badge-status{border-color:rgba(52,211,153,.42);color:var(--accept);}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--accept);box-shadow:0 0 8px rgba(52,211,153,.9);flex:none;}
  .meta-sep{width:1px;height:14px;background:rgba(255,255,255,.16);}

  /* ---------- 板块 ---------- */
  .section{padding:96px 0;position:relative;z-index:1;}
  .section-tight{padding-top:72px;}
  .section-head{max-width:72ch;margin-bottom:40px;}
  .section-head h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;margin-bottom:12px;}
  .section-head p{color:var(--tx-2);margin:0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.08em;color:var(--brand-1);
    margin-bottom:14px;text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand-1),transparent);}

  /* ---------- 玻璃 ---------- */
  .glass{
    position:relative;
    background:var(--glass);
    backdrop-filter:blur(14px) saturate(130%);
    -webkit-backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    border-radius:var(--radius-card);
  }
  .glass::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:rgba(255,255,255,.18);
    border-radius:var(--radius-card) var(--radius-card) 0 0;
    pointer-events:none;
  }

  /* ---------- 两栏 ---------- */
  .two-col{display:grid;grid-template-columns:320px minmax(0,1fr);gap:32px;align-items:start;}
  .aside-sticky{position:sticky;top:96px;}
  .aside-block{padding:26px 24px;}
  .aside-block h3{font-size:18px;margin-bottom:12px;}
  .aside-block p{font-size:14px;line-height:1.8;color:var(--tx-2);}
  .aside-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--accept);margin-top:16px;}
  .anchor-nav{margin-top:22px;border-top:1px solid var(--line);padding-top:18px;}
  .anchor-nav-title{font-size:13px;color:var(--tx-3);letter-spacing:.06em;margin-bottom:10px;}
  .anchor-nav a{
    display:flex;align-items:center;gap:10px;
    font-size:14px;color:var(--tx-2);
    padding:9px 10px;border-radius:10px;
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .anchor-nav a::before{
    content:"";width:5px;height:5px;border-radius:50%;
    background:rgba(34,211,238,.55);flex:none;
    transition:box-shadow .2s var(--ease);
  }
  .anchor-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.05);}
  .anchor-nav a:hover::before{box-shadow:0 0 8px rgba(34,211,238,.9);}

  /* ---------- 卡片 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .card{
    display:flex;flex-direction:column;overflow:hidden;
    border-radius:var(--radius-card);
    background:var(--glass);
    backdrop-filter:blur(14px) saturate(130%);
    -webkit-backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(34,211,238,.38);}
  .thumb{position:relative;aspect-ratio:16/10;background:var(--bg-raise);overflow:hidden;}
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
  .card:hover .thumb img{transform:scale(1.04);}
  .thumb::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(6,11,20,.05) 40%,rgba(6,11,20,.72) 100%);
  }
  .thumb .badge{position:absolute;top:14px;left:14px;z-index:2;}
  .card-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;gap:10px;}
  .card-body h3{font-size:18px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .card-body p{
    font-size:14px;line-height:1.8;color:var(--tx-2);margin:0;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-foot{
    margin-top:auto;padding-top:14px;
    border-top:1px solid rgba(255,255,255,.07);
    display:flex;align-items:center;justify-content:space-between;
    font-size:13px;color:var(--tx-3);
  }
  .card-foot svg{color:var(--brand-1);transition:transform .2s var(--ease);}
  .card:hover .card-foot svg{transform:translateX(4px);}

  /* ---------- 流程时间线 ---------- */
  .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;}
  .flow-line{
    position:absolute;left:24px;right:24px;top:15px;height:1px;
    background:linear-gradient(90deg,rgba(34,211,238,.75),rgba(59,130,246,.6),rgba(255,159,69,.35));
    opacity:.7;
  }
  .flow-step{position:relative;padding-top:46px;}
  .flow-node{
    position:absolute;top:0;left:0;
    width:30px;height:30px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:700;color:var(--brand-1);
    background:var(--bg-panel);
    border:1px solid rgba(34,211,238,.6);
    box-shadow:0 0 0 6px rgba(6,11,20,.9);
    font-variant-numeric:tabular-nums;
  }
  .flow-step h3{font-size:17px;margin-bottom:8px;}
  .flow-step p{font-size:14px;line-height:1.8;margin:0;}

  /* ---------- 数据条 ---------- */
  .stat-row{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    border:1px solid var(--line);border-radius:var(--radius-card);
    background:rgba(255,255,255,.03);
    overflow:hidden;
  }
  .stat-item{padding:26px 22px;border-right:1px solid var(--line);}
  .stat-item:last-child{border-right:0;}
  .stat-num{
    font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--tx-1);
    font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px;
  }
  .stat-num span{font-size:14px;font-weight:500;color:var(--tx-3);margin-left:4px;}
  .stat-label{font-size:13px;color:var(--tx-3);}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:14px 4px;cursor:pointer;list-style:none;
    font-size:16px;font-weight:600;color:var(--tx-1);
    transition:color .2s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--brand-1);}
  .faq-icon{
    width:22px;height:22px;flex:none;color:var(--brand-1);
    transition:transform .25s var(--ease);
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-body{max-width:68ch;padding:0 4px 22px;font-size:15px;color:var(--tx-2);}
  .faq-body p{margin-bottom:12px;}
  .faq-body p:last-child{margin-bottom:0;}

  /* ---------- CTA ---------- */
  .cta-bar{
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    padding:32px 34px;border-radius:var(--radius-card);
    background:linear-gradient(120deg,rgba(34,211,238,.12),rgba(59,130,246,.08) 55%,rgba(255,159,69,.06));
    border:1px solid rgba(34,211,238,.28);
    box-shadow:var(--shadow-1);
    flex-wrap:wrap;
  }
  .cta-bar h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
  .cta-bar p{margin:0;font-size:14px;color:var(--tx-2);max-width:56ch;}
  .cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
  .cta-bar .btn-primary{animation:breathe 2.4s ease-in-out infinite;}
  @keyframes breathe{
    0%,100%{box-shadow:0 10px 30px -12px rgba(34,211,238,.55);}
    50%{box-shadow:0 14px 42px -10px rgba(34,211,238,.85);}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;z-index:1;
    background:#04070E;
    border-top:1px solid rgba(255,255,255,.07);
    margin-top:0;
  }
  .site-footer::before{
    content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
    background:linear-gradient(90deg,transparent,rgba(34,211,238,.55),transparent);
  }
  .footer-grid{
    display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
    padding:72px 0 44px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--tx-1);}
  .footer-desc{font-size:14px;line-height:1.8;color:var(--tx-3);max-width:38ch;margin:0;}
  .footer-title{font-size:15px;font-weight:600;color:var(--tx-1);margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:12px;}
  .footer-links a,.footer-links span{font-size:14px;color:var(--tx-3);transition:color .2s var(--ease);}
  .footer-links a:hover{color:var(--brand-1);}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding:22px 0;border-top:1px solid rgba(255,255,255,.07);
    font-size:13px;color:var(--tx-3);
  }

  /* ---------- 抽屉 ---------- */
  .nav-toggle{display:none;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);z-index:90;
    background:rgba(6,11,20,.97);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    display:flex;flex-direction:column;padding:22px;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-mask{
    position:fixed;inset:0;z-index:80;background:rgba(3,6,12,.62);
    opacity:0;pointer-events:none;transition:opacity .28s var(--ease);
  }
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
  .drawer-links{display:flex;flex-direction:column;gap:6px;}
  .drawer-links a{
    padding:12px 14px;border-radius:12px;font-size:15px;color:var(--tx-2);
    border:1px solid transparent;
    transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  }
  .drawer-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.05);}
  .drawer-links a.active{color:var(--tx-1);background:rgba(34,211,238,.10);border-color:rgba(34,211,238,.35);}
  .drawer-search{margin:18px 0;}
  .drawer-search input{
    width:100%;height:44px;padding:0 14px;border-radius:12px;
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
    color:var(--tx-1);
  }
  .drawer-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(34,211,238,.14);}
  .drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
  .drawer-foot .btn{width:100%;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1280px){
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .nav-links{display:none;}
    .nav-toggle{display:inline-flex;}
    .nav-right .btn-primary{display:none;}
    .search-wrap{display:none;}
    .two-col{grid-template-columns:minmax(0,1fr);gap:24px;}
    .aside-sticky{position:static;}
    .section{padding:72px 0;}
    .section-tight{padding-top:56px;}
    .flow{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px;}
    .flow-line{display:none;}
    .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-item:nth-child(2){border-right:0;}
    .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:56px 0 36px;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .hero-narrow{min-height:240px;}
    .hero-inner{padding:40px 0;}
    .card-grid{grid-template-columns:minmax(0,1fr);}
    .section{padding:56px 0;}
    .section-head{margin-bottom:28px;}
    .flow{grid-template-columns:minmax(0,1fr);}
    .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 auto;}
    .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .brand-line1{font-size:14px;}
    .brand-line2{font-size:10px;}
    p{font-size:15px;}
  }
  @media (max-width:520px){
    .stat-row{grid-template-columns:minmax(0,1fr);}
    .stat-item{border-right:0;border-bottom:1px solid var(--line);}
    .stat-item:last-child{border-bottom:0;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --bg-base:#060B14;
  --bg-panel:#0C1622;
  --bg-raise:#111E2E;
  --brand-1:#22D3EE;
  --brand-2:#3B82F6;
  --accept:#34D399;
  --urgent:#FF9F45;
  --tx-1:#E8EFF9;
  --tx-2:#A6B6CB;
  --tx-3:#6C7C92;
  --err:#FF7A6B;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-btn:12px;
  --shadow-1:0 1px 0 rgba(255,255,255,.06) inset, 0 12px 32px -18px rgba(0,0,0,.8);
  --shadow-2:0 20px 48px -20px rgba(34,211,238,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--tx-2);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(34,211,238,.10), transparent 62%),
    radial-gradient(760px 500px at 92% 4%, rgba(59,130,246,.10), transparent 60%),
    var(--bg-base);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3{color:var(--tx-1);margin:0;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,211,238,.32);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-base)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(34,211,238,.5),rgba(59,130,246,.5));border-radius:999px;border:2px solid var(--bg-base)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.narrow{width:100%;max-width:880px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-sm{padding:72px 0}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  height:64px;
  background:rgba(6,11,20,.42);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:height 240ms var(--ease),background-color 240ms var(--ease),border-color 240ms var(--ease);
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(6,11,20,.86);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:rgba(34,211,238,.16);
}
.header-inner{
  height:100%;max-width:1200px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand-zone{display:flex;align-items:center;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:24px;height:24px;color:var(--brand-1);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-line1{font-size:15px;font-weight:700;color:var(--tx-1);letter-spacing:.01em}
.brand-line2{font-size:11px;font-weight:500;letter-spacing:.06em;opacity:.72;color:var(--tx-2)}
.nav-links{
  display:flex;align-items:center;gap:2px;
  margin-left:22px;padding-left:22px;
  border-left:1px solid rgba(34,211,238,.42);
  box-shadow:-1px 0 14px -8px rgba(34,211,238,.9);
}
.nav-links a{
  position:relative;
  font-size:14px;font-weight:500;color:var(--tx-2);
  padding:8px 12px;border-radius:8px;white-space:nowrap;
}
.nav-links a:hover{color:var(--tx-1);background:rgba(255,255,255,.045)}
.nav-links a.active{color:var(--tx-1)}
.nav-links a.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 10px rgba(34,211,238,.85);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:0;opacity:0;overflow:hidden;height:40px;
  background:var(--glass);border:1px solid transparent;border-radius:999px;
  transition:width 260ms var(--ease),opacity 200ms var(--ease),border-color 200ms var(--ease);
}
.search-box.is-open{width:240px;opacity:1;padding:0 14px;border-color:var(--line)}
.search-box svg{width:16px;height:16px;color:var(--tx-3);flex-shrink:0}
.search-box input{
  width:100%;background:transparent;border:0;outline:none;
  font-size:13px;color:var(--tx-1);
}
.search-box input::placeholder{color:var(--tx-3)}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--tx-2);
  transition:all 200ms var(--ease);
}
.icon-btn:hover{color:var(--tx-1);border-color:rgba(34,211,238,.5)}
.icon-btn svg{width:18px;height:18px}
.hamburger{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),filter 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#06121F;
  box-shadow:0 12px 30px -16px rgba(34,211,238,.75);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.22);
  color:var(--tx-1);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.06)}
.btn-ghost:active{transform:translateY(0) scale(.99)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:500;letter-spacing:.02em;
  background:var(--glass);border:1px solid var(--line);color:var(--tx-2);
}
.badge-cat{border-color:rgba(34,211,238,.45);color:#9FE8F5;background:rgba(34,211,238,.08)}
.badge-live{border-color:rgba(52,211,153,.4);color:#9DEFC9;background:rgba(52,211,153,.08)}
.badge-live::before{content:"";width:7px;height:7px;border-radius:999px;background:var(--accept);box-shadow:0 0 8px rgba(52,211,153,.9)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand-1);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand-1),transparent)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:112px 0 84px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(102deg, rgba(6,11,20,.94) 0%, rgba(6,11,20,.80) 42%, rgba(6,11,20,.62) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(180deg,transparent,var(--bg-base));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;letter-spacing:-.01em;font-weight:700;color:var(--tx-1);
  margin:20px auto 0;max-width:16em;
}
.hero-sub{
  font-size:17px;line-height:1.9;color:var(--tx-2);
  max-width:36em;margin:20px auto 0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.hero-meta{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 24px;
  margin-top:28px;font-size:13px;color:var(--tx-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:999px;background:var(--brand-1);opacity:.85}

/* ============ 数据速览 ============ */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:8px;
}
.stat{padding:28px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat-num{
  font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--tx-1);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-num em{font-style:normal;font-size:15px;color:var(--tx-3);margin-left:4px;font-weight:500}
.stat-label{font-size:13px;color:var(--tx-3);margin-top:8px;line-height:1.6}

/* ============ 通用板块标题 ============ */
.sec-head{text-align:center;margin-bottom:48px}
.sec-title{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;margin-top:14px}
.sec-desc{font-size:15px;color:var(--tx-2);max-width:38em;margin:14px auto 0}

/* ============ 玻璃卡 ============ */
.glass{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line);
  border-top-color:var(--line-strong);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}

/* ============ 路线 ============ */
.route{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px}
.route::before{
  content:"";position:absolute;left:26px;right:26px;top:23px;height:1px;
  background:linear-gradient(90deg,rgba(34,211,238,.9),rgba(59,130,246,.7),rgba(255,255,255,.08));
}
.route-step{position:relative;padding-right:8px}
.route-dot{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:999px;
  background:var(--bg-raise);
  border:1px solid rgba(34,211,238,.55);
  color:var(--tx-1);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 8px rgba(6,11,20,.92);
}
.route-step h3{font-size:18px;font-weight:600;margin-top:20px}
.route-step p{font-size:14px;color:var(--tx-2);margin-top:8px;line-height:1.8}

/* ============ 折叠面板 ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:44px}
.faq-item{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line);
  border-top-color:var(--line-strong);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color 220ms var(--ease),transform 220ms var(--ease)
}
.faq-item:hover{border-color:rgba(34,211,238,.32)}
.faq-item.open{border-color:rgba(34,211,238,.45)}
.faq-q{
  width:100%;min-height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--tx-1);line-height:1.6;
}
.faq-ico{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  transition:transform 260ms var(--ease),border-color 220ms var(--ease),background-color 220ms var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-1);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-ico::before{width:10px;height:1.6px}
.faq-ico::after{width:1.6px;height:10px}
.faq-item.open .faq-ico{transform:rotate(45deg);border-color:rgba(34,211,238,.7);background:rgba(34,211,238,.08)}
.faq-a{
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height 340ms var(--ease),opacity 260ms var(--ease);
}
.faq-item.open .faq-a{opacity:1}
.faq-a-inner{padding:0 24px 24px;max-width:44em}
.faq-a-inner p{font-size:15px;color:var(--tx-2);line-height:1.9}
.faq-a-inner p + p{margin-top:12px}
.faq-a-inner strong{color:var(--tx-1);font-weight:600}

/* ============ 图文行 ============ */
.split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  margin-top:44px;
}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:20px;border:1px solid var(--line);
  background:var(--bg-raise);
}
.split-media::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(160deg,rgba(6,11,20,.12),rgba(6,11,20,.55));
  pointer-events:none;
}
.split-body h3{font-size:20px;font-weight:600;margin-bottom:14px}
.split-body p{font-size:15px;line-height:1.9;color:var(--tx-2)}
.split-body p + p{margin-top:14px}

/* ============ 清单 ============ */
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 20px;border-radius:14px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:border-color 200ms var(--ease),transform 200ms var(--ease);
}
.check-list li:hover{border-color:rgba(52,211,153,.4);transform:translateY(-2px)}
.check-list svg{width:20px;height:20px;color:var(--accept);flex-shrink:0;margin-top:4px}
.check-list h3{font-size:16px;font-weight:600;margin:0}
.check-list p{font-size:14px;color:var(--tx-2);margin-top:4px;line-height:1.75}

/* ============ 反馈卡 ============ */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.contact-card{padding:28px 24px;border-radius:var(--r-card);height:100%;display:flex;flex-direction:column}
.contact-card h3{font-size:18px;font-weight:600;margin-top:16px}
.contact-card p{font-size:14px;color:var(--tx-2);margin-top:10px;line-height:1.8;margin-bottom:0}
.contact-card .ico{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.32);color:var(--brand-1);
}
.contact-card .ico svg{width:20px;height:20px}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:56px 40px;text-align:center;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border:1px solid var(--line);border-top-color:var(--line-strong);
  box-shadow:var(--shadow-1);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:-70px;height:200px;
  background:radial-gradient(58% 100% at 50% 0%,rgba(34,211,238,.26),transparent 72%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35}
.cta-band p{font-size:15px;color:var(--tx-2);max-width:34em;margin:14px auto 26px}
.btn-breathe{animation:breathe 2.4s var(--ease) infinite}
@keyframes breathe{
  0%,100%{box-shadow:0 12px 30px -16px rgba(34,211,238,.55)}
  50%{box-shadow:0 16px 44px -14px rgba(34,211,238,.95)}
}

/* ============ 页脚 ============ */
.site-footer{
  background:#04070E;
  margin-top:96px;
  padding:72px 0 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{color:var(--brand-1)}
.footer-brand span{display:flex;flex-direction:column;line-height:1.2}
.footer-desc{font-size:14px;color:var(--tx-3);line-height:1.85;max-width:32em}
.footer-title{font-size:14px;font-weight:600;color:var(--tx-1);margin-bottom:16px;letter-spacing:.03em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:var(--tx-3)}
.footer-links a:hover{color:var(--brand-1)}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(90deg,rgba(34,211,238,.18),rgba(59,130,246,.1),transparent 70%) top left/100% 1px no-repeat;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--tx-3);
}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);
  opacity:0;pointer-events:none;transition:opacity 280ms var(--ease);z-index:110;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;z-index:120;
  display:flex;flex-direction:column;
  padding:22px 22px 24px;
  background:rgba(9,16,26,.97);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform 320ms var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;margin-bottom:22px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;
}
.drawer-search svg{width:16px;height:16px;color:var(--tx-3)}
.drawer-search input{width:100%;background:none;border:0;outline:none;font-size:14px;color:var(--tx-1)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--tx-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
.drawer-nav a.active{
  color:var(--tx-1);background:rgba(34,211,238,.08);border-color:rgba(34,211,238,.35);
}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links,.search-box{display:none}
  .hamburger{display:inline-flex}
  .header-inner{padding:0 20px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .route{grid-template-columns:1fr 1fr;gap:32px}
  .route::before{display:none}
  .split{grid-template-columns:1fr;gap:28px}
  .hero{padding:84px 0 64px}
}
@media (max-width:767px){
  .container,.narrow{padding:0 20px}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .stat-row{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0}
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:0}
  .route{grid-template-columns:1fr;gap:26px}
  .contact-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-sub{font-size:15px}
  .faq-q{font-size:15px;padding:14px 18px}
  .faq-a-inner{padding:0 18px 20px}
}
@media (max-width:520px){
  .brand-line1{font-size:13px}
  .brand-line2{font-size:10px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --bg-base:#060B14;
    --bg-panel:#0C1622;
    --bg-raise:#111E2E;
    --brand-1:#22D3EE;
    --brand-2:#3B82F6;
    --accept:#34D399;
    --urgent:#FF9F45;
    --tx-1:#E8EFF9;
    --tx-2:#A6B6CB;
    --tx-3:#6C7C92;
    --line:rgba(255,255,255,.10);
    --line-strong:rgba(255,255,255,.18);
    --r-card:18px;
    --r-btn:12px;
    --nav-h:64px;
    --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 12px 32px -18px rgba(0,0,0,.8);
    --shadow-hover:0 20px 48px -20px rgba(34,211,238,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth; scroll-padding-top:150px}
  html body{
    margin:0;
    padding:0;
    background:var(--bg-base);
    color:var(--tx-2);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
  ul,ol{list-style:none}
  :focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
  ::-webkit-scrollbar{width:10px;height:10px}
  ::-webkit-scrollbar-track{background:#080E18}
  ::-webkit-scrollbar-thumb{background:linear-gradient(180deg,rgba(34,211,238,.5),rgba(59,130,246,.5));border-radius:999px}
  ::selection{background:rgba(34,211,238,.3);color:#fff}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  .glass{
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px) saturate(130%);
    -webkit-backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);
    border-top-color:rgba(255,255,255,.18);
  }

  /* ---------- header ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    height:64px;display:flex;align-items:center;
    background:rgba(6,11,20,.35);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:height 200ms var(--ease),background 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .site-header.is-scrolled{
    height:56px;
    background:rgba(6,11,20,.86);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom-color:var(--line);
    box-shadow:0 14px 34px -26px rgba(0,0,0,.95);
  }
  .nav-wrap{display:flex;align-items:center;gap:22px;width:100%}
  .brand{position:relative;display:flex;align-items:center;gap:10px;padding-left:15px;flex-shrink:0}
  .brand::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:1px;height:26px;
    background:linear-gradient(180deg,transparent,var(--brand-1),transparent);
    box-shadow:0 0 8px rgba(34,211,238,.55);
  }
  .brand-mark{width:24px;height:24px;color:var(--brand-1);flex-shrink:0}
  .brand-line1{display:block;font-size:15px;font-weight:700;line-height:1.2;color:var(--tx-1)}
  .brand-line2{display:block;font-size:11px;font-weight:500;letter-spacing:.06em;line-height:1.2;color:var(--tx-1);opacity:.72}
  .nav-links{display:flex;align-items:center;gap:26px;margin-left:14px}
  .nav-links a{position:relative;font-size:14px;color:var(--tx-2);padding:6px 0;white-space:nowrap;transition:color 200ms var(--ease)}
  .nav-links a:hover{color:var(--tx-1)}
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
    transition:width 200ms var(--ease);
  }
  .nav-links a:hover::after{width:60%}
  .nav-links a.active{color:var(--tx-1);font-weight:600}
  .nav-links a.active::after{width:60%;box-shadow:0 0 10px rgba(34,211,238,.6)}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
  .nav-search{display:flex;align-items:center;gap:8px}
  .icon-btn{
    width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
    border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--tx-2);
    cursor:pointer;transition:color 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease);
  }
  .icon-btn:hover{color:var(--tx-1);border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.08)}
  .search-input{
    height:38px;width:0;opacity:0;padding:0;border:1px solid var(--line);border-radius:12px;
    background:rgba(255,255,255,.045);color:var(--tx-1);font-size:14px;
    backdrop-filter:blur(14px) saturate(130%);
    transition:width 220ms var(--ease),opacity 220ms var(--ease),padding 220ms var(--ease),box-shadow 200ms var(--ease);
  }
  .nav-search.is-open .search-input{width:240px;opacity:1;padding:0 12px}
  .search-input::placeholder{color:var(--tx-3)}
  .search-input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(34,211,238,.16)}
  .nav-toggle{display:none;width:40px;height:40px;place-items:center;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--tx-1);cursor:pointer}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease),filter 200ms var(--ease),color 200ms var(--ease);
  }
  .btn:active{transform:translateY(0) scale(.99)}
  .btn-primary{
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
    color:#06121F;
    box-shadow:0 12px 30px -14px rgba(34,211,238,.7);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 40px -16px rgba(34,211,238,.75)}
  .btn-secondary{
    background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.22);color:var(--tx-1);
    backdrop-filter:blur(14px) saturate(130%);
  }
  .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.6);color:#fff}
  .btn-ghost{
    height:44px;padding:0;background:transparent;border:none;color:var(--brand-1);
    display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;cursor:pointer;
  }
  .btn-ghost .arrow{display:inline-block;transition:transform 200ms var(--ease)}
  .btn-ghost:hover .arrow{transform:translateX(4px)}

  /* ---------- hero ---------- */
  .cat-hero{
    position:relative;margin-top:64px;min-height:360px;display:flex;align-items:center;
    padding:84px 0 64px;overflow:hidden;background:var(--bg-panel);
  }
  .cat-hero-bg{
    position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.png");
    background-size:cover;background-position:center;
    opacity:.55;
  }
  .cat-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(6,11,20,.96) 0%,rgba(6,11,20,.84) 46%,rgba(6,11,20,.56) 100%);
  }
  .cat-hero-inner{position:relative;z-index:2}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:18px}
  .crumb a{transition:color 200ms var(--ease)}
  .crumb a:hover{color:var(--brand-1)}
  .crumb-sep{color:var(--tx-3)}
  .chip{
    display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
    font-size:13px;color:var(--brand-1);border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.07);
    backdrop-filter:blur(14px);
  }
  .cat-hero h1{
    margin-top:16px;
    font-size:clamp(30px,4.4vw,52px);
    line-height:1.18;letter-spacing:-.01em;font-weight:700;color:var(--tx-1);
    max-width:22ch;
  }
  .hero-sub{margin-top:18px;max-width:64ch;font-size:17px;color:var(--tx-2)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-metrics{display:flex;flex-wrap:wrap;margin-top:40px}
  .hero-metrics li{display:flex;flex-direction:column;gap:2px;padding:0 24px;border-left:1px solid var(--line)}
  .hero-metrics li:first-child{padding-left:0;border-left:none}
  .hero-metrics strong{font-size:26px;line-height:1.2;color:var(--tx-1);font-variant-numeric:tabular-nums}
  .hero-metrics span{font-size:13px;color:var(--tx-3)}

  /* ---------- tabbar ---------- */
  .tabbar{
    position:sticky;top:var(--nav-h);z-index:50;
    background:rgba(6,11,20,.9);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transition:top 200ms var(--ease);
  }
  .tabbar-inner{display:flex;gap:30px;overflow-x:auto;scrollbar-width:none}
  .tabbar-inner::-webkit-scrollbar{display:none}
  .tab-link{position:relative;padding:16px 0;font-size:14px;color:var(--tx-3);white-space:nowrap;transition:color 200ms var(--ease)}
  .tab-link:hover{color:var(--tx-2)}
  .tab-link.is-active{color:var(--tx-1);font-weight:600}
  .tab-link.is-active::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
    box-shadow:0 0 10px rgba(34,211,238,.55);
  }

  /* ---------- sections ---------- */
  .section{padding:96px 0;border-bottom:1px solid rgba(255,255,255,.05)}
  .section:last-child{border-bottom:none}
  .section-head{max-width:72ch;margin-bottom:44px}
  .sec-title{font-size:clamp(22px,2.4vw,32px);line-height:1.3;font-weight:700;color:var(--tx-1)}
  .sec-sub{margin-top:14px;color:var(--tx-2)}

  /* ---------- alternating rows ---------- */
  .row-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;border-top:1px solid rgba(255,255,255,.06)}
  .row-block:first-of-type{border-top:none;padding-top:0}
  .row-block.is-reverse .row-media{order:2}
  .row-media{
    border-radius:14px;overflow:hidden;border:1px solid var(--line);
    aspect-ratio:4/3;background:var(--bg-raise);box-shadow:var(--shadow-card);
  }
  .row-media img{width:100%;height:100%;object-fit:cover}
  .row-text h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--tx-1);margin-bottom:14px}
  .row-text p{max-width:66ch}
  .row-text .btn-ghost{margin-top:16px}

  /* ---------- tiers ---------- */
  .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .tier-card{
    position:relative;display:flex;flex-direction:column;
    padding:26px 22px;border-radius:var(--r-card);
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);border-top-color:rgba(255,255,255,.18);
    box-shadow:var(--shadow-card);
    transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
  }
  .tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .tier-card.is-featured{
    border-color:rgba(34,211,238,.5);
    box-shadow:0 0 0 1px rgba(34,211,238,.22),0 20px 48px -22px rgba(34,211,238,.5);
  }
  .tier-card h3{font-size:18px;font-weight:600;color:var(--tx-1)}
  .tier-badge{
    position:absolute;top:16px;right:16px;height:24px;padding:0 10px;
    display:inline-flex;align-items:center;border-radius:999px;
    font-size:12px;color:var(--urgent);border:1px solid rgba(255,159,69,.45);background:rgba(255,159,69,.1);
  }
  .tier-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin:16px 0 18px}
  .tier-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2))}
  .tier-card:nth-child(3) .tier-bar i{background:linear-gradient(90deg,var(--brand-2),var(--urgent))}
  .tier-note{font-size:14px;color:var(--tx-2);min-height:72px}
  .tier-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
  .tier-list li{position:relative;padding-left:18px;font-size:14px;color:var(--tx-2)}
  .tier-list li::before{
    content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  }
  .tier-card .btn{margin-top:22px;width:100%}

  /* ---------- compare table ---------- */
  .table-shell{position:relative}
  .table-wrap{
    overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
    background:rgba(255,255,255,.03);
  }
  .cmp-table{width:100%;min-width:780px;border-collapse:collapse}
  .cmp-table th{
    background:var(--bg-raise);color:var(--tx-1);font-size:14px;font-weight:600;
    text-align:left;padding:16px 20px;white-space:nowrap;
  }
  .cmp-table td{padding:16px 20px;border-top:1px solid var(--line);font-size:14px;color:var(--tx-2);vertical-align:top}
  .cmp-table td:first-child{color:var(--tx-1);font-weight:600;white-space:nowrap}
  .cmp-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
  .table-shell::after{
    content:"";position:absolute;top:1px;right:1px;bottom:1px;width:46px;
    background:linear-gradient(90deg,rgba(6,11,20,0),rgba(6,11,20,.88));
    border-radius:0 var(--r-card) var(--r-card) 0;pointer-events:none;opacity:0;
  }
  .table-hint{margin-top:12px;font-size:13px;color:var(--tx-3);display:none}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .step{position:relative;padding-top:38px}
  .step::before{
    content:"";position:absolute;top:10px;left:0;right:0;height:1px;
    background:linear-gradient(90deg,rgba(34,211,238,.6),rgba(59,130,246,.35),transparent);
  }
  .step-dot{
    position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;
    border:1px solid rgba(34,211,238,.7);background:var(--bg-base);
    box-shadow:0 0 12px rgba(34,211,238,.35);
  }
  .step-dot::after{content:"";position:absolute;inset:5px;border-radius:50%;background:linear-gradient(135deg,var(--brand-1),var(--brand-2))}
  .step-no{display:block;font-size:12px;letter-spacing:.08em;color:var(--tx-3);font-variant-numeric:tabular-nums;margin-bottom:6px}
  .step h3{font-size:17px;font-weight:600;color:var(--tx-1);margin-bottom:10px}
  .step p{font-size:14px;color:var(--tx-2);max-width:42ch}

  /* ---------- notice ---------- */
  .notice{
    display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
    padding:28px 30px;border-radius:var(--r-card);
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);border-top-color:rgba(255,255,255,.18);
    box-shadow:var(--shadow-card);
  }
  .notice-text{max-width:66ch}
  .notice-text h3{font-size:17px;font-weight:600;color:var(--tx-1);margin-bottom:8px}
  .notice-text p{font-size:14px;color:var(--tx-2)}
  .notice-tag{
    display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;
    font-size:12px;color:var(--accept);border:1px solid rgba(52,211,153,.4);background:rgba(52,211,153,.08);
  }
  .notice-tag i{width:6px;height:6px;border-radius:50%;background:var(--accept);display:block}

  /* ---------- faq ---------- */
  .faq-list{max-width:920px}
  .faq-item{
    border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);
    margin-bottom:12px;overflow:hidden;
    transition:border-color 200ms var(--ease),background 200ms var(--ease);
  }
  .faq-item:hover{border-color:rgba(255,255,255,.2)}
  .faq-item[open]{border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.045)}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:12px 20px;cursor:pointer;list-style:none;
    color:var(--tx-1);font-size:16px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    flex-shrink:0;width:22px;height:22px;display:grid;place-items:center;color:var(--brand-1);
    transition:transform 240ms var(--ease);
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-body{padding:0 20px 22px;max-width:68ch;font-size:15px;color:var(--tx-2)}
  .faq-body p+p{margin-top:12px}

  /* ---------- contact ---------- */
  .cta-band{
    display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
    padding:26px 30px;border-radius:var(--r-card);margin-bottom:40px;
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);border-top-color:rgba(255,255,255,.18);
    box-shadow:var(--shadow-card);
  }
  .cta-band p{font-size:15px;color:var(--tx-2);max-width:60ch}
  .contact-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:start}
  .form-card{
    padding:28px;border-radius:var(--r-card);
    background:rgba(255,255,255,.04);
    backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);border-top-color:rgba(255,255,255,.18);
    box-shadow:var(--shadow-card);
  }
  .field{margin-bottom:18px}
  .field label{display:block;font-size:13px;color:var(--tx-3);margin-bottom:8px}
  .input,.select,.textarea{
    width:100%;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.12);
    border-radius:12px;padding:12px 14px;color:var(--tx-1);font-size:15px;
    transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .input::placeholder,.textarea::placeholder{color:var(--tx-3)}
  .input:focus,.select:focus,.textarea:focus{
    outline:none;border-color:var(--brand-1);box-shadow:0 0 0 6px rgba(34,211,238,.14);
  }
  .input.is-error,.textarea.is-error{border-color:#FF7A6B;box-shadow:0 0 0 6px rgba(255,122,107,.14)}
  .input:disabled,.textarea:disabled,.select:disabled{opacity:.5;cursor:not-allowed}
  .select{
    appearance:none;-webkit-appearance:none;
    background-image:linear-gradient(45deg,transparent 50%,#6C7C92 50%),linear-gradient(135deg,#6C7C92 50%,transparent 50%);
    background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;
    background-size:5px 5px,5px 5px;background-repeat:no-repeat;
    padding-right:38px;
  }
  .textarea{min-height:124px;resize:vertical}
  .form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
  .form-actions .btn{flex:1 1 240px}
  .form-note{margin-top:14px;font-size:13px;color:var(--accept);min-height:20px}
  .form-err{font-size:13px;color:#FF7A6B;margin-top:6px;display:none}
  .side-card{
    padding:24px;border-radius:var(--r-card);
    background:rgba(255,255,255,.045);
    backdrop-filter:blur(14px) saturate(130%);
    border:1px solid var(--line);border-top-color:rgba(255,255,255,.18);
    box-shadow:var(--shadow-card);
  }
  .side-card h3{font-size:16px;font-weight:600;color:var(--tx-1);margin-bottom:16px}
  .side-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid rgba(255,255,255,.07);font-size:14px}
  .side-list li:first-child{border-top:none;padding-top:0}
  .side-list b{color:var(--tx-1);font-weight:600;flex-shrink:0;min-width:82px}
  .side-list span{color:var(--tx-2)}
  .side-tip{margin-top:18px;padding:14px;border-radius:12px;background:rgba(255,159,69,.08);border:1px solid rgba(255,159,69,.28);font-size:13px;color:#FFCB9B}

  /* ---------- footer ---------- */
  .site-footer{position:relative;background:#04070E;border-top:1px solid rgba(255,255,255,.08);padding:72px 0 0}
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(34,211,238,.6),transparent);
  }
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-title{font-size:15px;font-weight:600;color:var(--tx-1);margin-bottom:16px}
  .footer-links li{margin-bottom:10px}
  .footer-links a{font-size:14px;color:var(--tx-2);transition:color 200ms var(--ease)}
  .footer-links a:hover{color:var(--brand-1)}
  .footer-links span{font-size:14px;color:var(--tx-3)}
  .footer-desc{font-size:14px;line-height:1.8;color:var(--tx-3);max-width:38ch}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:56px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.07);
    font-size:13px;color:var(--tx-3);
  }

  /* ---------- drawer ---------- */
  .drawer{position:fixed;inset:0;z-index:80;visibility:hidden;pointer-events:none}
  .drawer.is-open{visibility:visible;pointer-events:auto}
  .drawer-mask{position:absolute;inset:0;background:rgba(3,6,12,.72);opacity:0;transition:opacity 240ms var(--ease)}
  .drawer.is-open .drawer-mask{opacity:1}
  .drawer-panel{
    position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
    background:var(--bg-panel);border-left:1px solid var(--line);
    padding:20px;display:flex;flex-direction:column;gap:20px;
    transform:translateX(100%);transition:transform 260ms var(--ease);
  }
  .drawer.is-open .drawer-panel{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between}
  .drawer-title{font-size:14px;color:var(--tx-3)}
  .drawer-links{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}
  .drawer-links a{padding:13px 12px;border-radius:12px;font-size:15px;color:var(--tx-2);border:1px solid transparent;transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease)}
  .drawer-links a:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
  .drawer-links a.active{color:var(--brand-1);border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.07)}
  .drawer-cta{width:100%}

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-right{display:none}
    .nav-toggle{display:grid}
    .cat-hero{padding:64px 0 52px;min-height:320px}
    .row-block{grid-template-columns:1fr;gap:28px}
    .row-block.is-reverse .row-media{order:0}
    .tier-grid{grid-template-columns:1fr}
    .tier-note{min-height:0}
    .steps{grid-template-columns:1fr;gap:26px}
    .step{padding-top:0;padding-left:34px}
    .step::before{display:none}
    .step-dot{left:0;top:3px}
    .contact-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
    .section{padding:72px 0}
    .table-shell::after{opacity:1}
    .table-hint{display:block}
  }
  @media (max-width:640px){
    .wrap{padding:0 20px}
    .section{padding:56px 0}
    .brand-line1{font-size:13px}
    .brand-line2{font-size:10px}
    .cat-hero{padding:48px 0 44px}
    .hero-metrics li{padding:0 16px}
    .hero-metrics strong{font-size:22px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{margin-top:40px}
    .cta-band,.notice{padding:22px}
    .form-card{padding:22px}
    .faq-item summary{font-size:15px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
    html{scroll-behavior:auto}
  }