/* roulang page: index */
:root{
  --bg-0:#060A14;--bg-1:#0B1220;--bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --brand:#12E29B;--brand-2:#22C3FF;--accent:#FFB020;
  --text-1:#EAF2FF;--text-2:#A7B6CC;--text-3:#6B7C96;
  --ok:#2BD67B;--warn:#FFB020;--err:#FF5C7A;
  --r-card:16px;--r-img:14px;--r-input:10px;--r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.45);
  --glow-brand:0 0 0 1px rgba(18,226,155,.35),0 8px 32px rgba(18,226,155,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --side:256px;--gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ===== 布局骨架 ===== */
.shell{display:flex;min-height:100vh}
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--side);z-index:60;
  background:var(--bg-1);border-right:1px solid var(--line);
  display:flex;flex-direction:column;
}
.sidebar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
.side-inner{position:relative;z-index:2;display:flex;flex-direction:column;height:100%;padding:22px 16px 18px}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;border-bottom:1px solid var(--line)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:var(--glow-brand);color:#04121A;
}
.brand-text{font-size:15px;font-weight:700;line-height:1.35;letter-spacing:.01em}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:18px;flex:1}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:12px;
  color:var(--text-2);font-size:14.5px;transition:all .2s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .2s var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--text-1)}
.nav-item.is-active{background:rgba(18,226,155,.08);color:var(--brand);text-shadow:0 0 18px rgba(18,226,155,.35)}
.nav-item.is-active::before{opacity:1}
.nav-item svg{flex:0 0 18px}
.side-foot{position:relative;z-index:2;border-top:1px solid var(--line);padding-top:16px;margin-top:12px}
.side-meta{margin-top:10px;font-size:12.5px;line-height:1.6;color:var(--text-3)}
.drawer-close{display:none}
.mainwrap{margin-left:var(--side);width:calc(100% - var(--side));min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}
.topbar{display:none}
.scrim{display:none}

/* ===== 按钮 / 徽章 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;box-shadow:var(--glow-brand)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#231704}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);border-radius:14px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
.btn-xs{min-height:36px;padding:0 14px;font-size:13px}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(18,226,155,.14);color:var(--brand);letter-spacing:.02em;
}
.badge--accent{background:rgba(255,176,32,.16);color:var(--accent)}
.badge--blue{background:rgba(34,195,255,.14);color:var(--brand-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.08em}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 340px at 10% 14%,rgba(18,226,155,.16),transparent 70%),
    radial-gradient(560px 320px at 92% 82%,rgba(34,195,255,.13),transparent 72%),
    linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px) 0 0/24px 24px;
}
.hero-inner{position:relative;z-index:2;min-height:78vh;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:96px 0 84px}
.hero h1{font-size:clamp(30px,3.4vw,48px);line-height:1.15;font-weight:700;letter-spacing:.02em;margin:16px 0 18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{max-width:520px;font-size:17px;color:var(--text-2);line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}
.hero-metrics div{position:relative;padding-left:18px}
.hero-metrics div::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--line)}
.hero-metrics div:first-child{padding-left:0}
.hero-metrics div:first-child::before{display:none}
.hero-metrics b{display:block;font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.4}
.hero-metrics span{font-size:13px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/12;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);background:linear-gradient(140deg,#0d1a2c,#0a2a25)}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:var(--r-img);background:linear-gradient(180deg,rgba(6,10,20,0) 40%,rgba(6,10,20,.72))}
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);box-shadow:var(--shadow-2);
}
.hero-card{position:absolute;left:24px;right:24px;bottom:24px;z-index:3;padding:18px 20px}
.hero-card-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.hero-card-row:last-child{border-bottom:0}
.hero-card-row span{font-size:13px;color:var(--text-2)}
.hero-card-row b{font-size:16px;color:var(--accent);font-variant-numeric:tabular-nums}

/* ===== 通用板块 ===== */
.section{padding:clamp(56px,7vw,104px) 0;position:relative}
.section--tight{padding:clamp(48px,5vw,80px) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em}
.sec-head h2::after{content:"";display:block;width:52px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2));margin-top:14px}
.sec-head p{max-width:520px;font-size:14.5px;color:var(--text-2)}
.link-more{font-size:14px;font-weight:600;color:var(--brand)}
.link-more:hover{color:var(--brand-2)}
.section--deep{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ===== 卖点 ===== */
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;transition:all .24s var(--ease);
}
.card:hover{border-color:rgba(18,226,155,.4);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.feature-main{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;gap:26px}
.ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(18,226,155,.12);color:var(--brand);margin-bottom:18px;
}
.ico--accent{background:rgba(255,176,32,.14);color:var(--accent)}
.ico--blue{background:rgba(34,195,255,.13);color:var(--brand-2)}
.card h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.card-tag{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.card-tag b{color:var(--accent);font-variant-numeric:tabular-nums;font-size:16px}

/* ===== 场景 ===== */
.scene{display:flex;gap:44px;align-items:center}
.scene + .scene{margin-top:64px}
.scene--flip{flex-direction:row-reverse}
.scene-text,.scene-media{flex:1 1 50%;min-width:0}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);background:linear-gradient(140deg,#0d1a2c,#0a2a25)}
.scene-no{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:rgba(18,226,155,.12);color:var(--brand);font-weight:700;
  font-variant-numeric:tabular-nums;font-size:14px;margin-bottom:16px;
}
.scene-text h3{font-size:22px;font-weight:700;line-height:1.45;margin-bottom:12px}
.scene-text > p{font-size:15px;color:var(--text-2);max-width:520px}
.dot-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px}
.dot-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2)}
.dot-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.dot-list li:nth-child(2)::before{background:var(--brand-2)}
.dot-list li:nth-child(3)::before{background:var(--accent)}

/* ===== 社会认同 ===== */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:24px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card)}
.stat b{display:block;font-size:30px;line-height:1.3;color:var(--accent);font-variant-numeric:tabular-nums}
.stat span{font-size:13.5px;color:var(--text-3)}
.slot-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:26px}
.slot{
  height:74px;display:grid;place-items:center;text-align:center;padding:0 10px;
  border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02);
  font-size:12.5px;color:var(--text-3);filter:grayscale(1);transition:all .24s var(--ease);
}
.slot:hover{filter:grayscale(0);color:var(--text-1);border-color:rgba(18,226,155,.4)}
.quote-row{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:26px}
.quote{display:flex;gap:16px;align-items:flex-start}
.avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(18,226,155,.3),rgba(34,195,255,.3));
  color:var(--text-1);font-size:14px;font-weight:700;
}
.quote p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.quote cite{display:block;margin-top:8px;font-style:normal;font-size:13px;color:var(--text-3)}

/* ===== 内容列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:all .24s var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(18,226,155,.4);box-shadow:var(--shadow-1)}
.post-media{display:block;overflow:hidden;background:linear-gradient(140deg,#0d1a2c,#0a2a25)}
.post-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .28s var(--ease)}
.post-card:hover .post-media img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-title{
  font-size:16.5px;font-weight:700;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-title a:hover{color:var(--brand)}
.post-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.read-link{font-size:13px;font-weight:600;color:var(--brand)}
.read-link:hover{color:var(--brand-2)}
.empty{
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-card);
  padding:44px 26px;text-align:center;color:var(--text-3);font-size:14.5px;background:rgba(255,255,255,.015);
}
.empty a{color:var(--brand);font-weight:600;margin-left:6px}
.skeleton-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sk{height:250px;border-radius:var(--r-card);background:linear-gradient(100deg,rgba(255,255,255,.05) 30%,rgba(255,255,255,.09) 50%,rgba(255,255,255,.05) 70%);background-size:220% 100%;animation:sk 1.4s infinite linear}
@keyframes sk{0%{background-position:120% 0}100%{background-position:-40% 0}}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;position:relative;transition:border-color .2s var(--ease);
}
.faq-item[open]{border-color:rgba(18,226,155,.4)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:0 0 9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ===== CTA ===== */
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--bg-2);padding:clamp(34px,4vw,58px);text-align:center;
}
.cta-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(480px 220px at 20% 0%,rgba(18,226,155,.16),transparent 70%),
             radial-gradient(420px 200px at 85% 100%,rgba(34,195,255,.12),transparent 70%);
}
.cta-box > *{position:relative;z-index:2}
.cta-box h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:14px}
.cta-box p{font-size:14.5px;color:var(--text-2);max-width:560px;margin:0 auto 26px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== FAQ 表单区 ===== */
.form-note{font-size:13px;color:var(--text-3)}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);
  background:var(--bg-0);border:1px solid var(--line);color:var(--text-1);font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,226,155,.16)}
.field.has-error input{border-color:var(--err)}
.field .err-text{font-size:13px;color:var(--err)}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:auto}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
.foot-brand strong{font-size:15px;font-weight:700}
.foot-text{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:320px}
.foot-col h4{font-size:13px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;font-weight:600}
.foot-col li{margin-bottom:10px}
.foot-col a,.foot-col span{font-size:14px;color:var(--text-2)}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}

/* ===== 吸底转化条 ===== */
.sticky-cta{
  position:fixed;left:calc(var(--side) + 24px);right:24px;bottom:20px;z-index:70;
  min-height:64px;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:10px 12px 10px 22px;border-radius:var(--r-pill);
  background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.16);border-top-color:rgba(18,226,155,.5);
  box-shadow:var(--shadow-2),0 -1px 24px rgba(18,226,155,.18);
  opacity:0;transform:translateY(18px);pointer-events:none;transition:all .26s var(--ease);
}
.sticky-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.sticky-cta p{font-size:14px;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-right{display:flex;align-items:center;gap:8px}
.sticky-close{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  color:var(--text-3);border:1px solid var(--line);transition:all .2s var(--ease);
}
.sticky-close:hover{color:var(--text-1);border-color:var(--brand)}

/* ===== 响应式 ===== */
@media (max-width:1439px){
  .container{max-width:1140px}
}
@media (max-width:1199px){
  :root{--side:80px}
  .brand-text,.nav-item span,.side-meta,.side-foot .btn{display:none}
  .brand{justify-content:center;padding:6px 0 18px}
  .nav-item{justify-content:center;padding:0}
  .side-foot{display:flex;justify-content:center}
  .sticky-cta{left:calc(var(--side) + 20px)}
}
@media (max-width:991px){
  :root{--side:0px}
  .sidebar{
    width:280px;transform:translateX(-100%);transition:transform .26s var(--ease);
    box-shadow:var(--shadow-2);
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar .brand-text,.sidebar .nav-item span,.sidebar .side-meta,.sidebar .side-foot .btn{display:block}
  .sidebar .brand{justify-content:flex-start;padding:6px 8px 18px}
  .sidebar .nav-item{justify-content:flex-start;padding:0 12px}
  .sidebar .side-foot{display:block}
  .drawer-close{
    display:grid;place-items:center;position:absolute;top:14px;right:12px;z-index:5;
    width:38px;height:38px;border-radius:50%;border:1px solid var(--line);color:var(--text-2);
  }
  .scrim{
    position:fixed;inset:0;background:rgba(4,7,14,.62);z-index:55;
    opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
  }
  .scrim.is-open{opacity:1;pointer-events:auto}
  .mainwrap{margin-left:0;width:100%}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    height:64px;padding:0 16px;position:sticky;top:0;z-index:50;
    background:rgba(11,18,32,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
  }
  .topbar .brand{padding:0;border:0;gap:8px}
  .topbar .brand-text{font-size:13.5px}
  .hamburger{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);color:var(--text-1)}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:64px 0 72px;gap:40px}
  .feature-grid{grid-template-columns:1fr}
  .feature-main{grid-row:auto}
  .scene,.scene--flip{flex-direction:column;gap:26px}
  .scene + .scene{margin-top:52px}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .slot-grid{grid-template-columns:repeat(3,1fr)}
  .quote-row{grid-template-columns:1fr}
  .post-grid,.skeleton-grid{grid-template-columns:repeat(2,1fr)}
  .sticky-cta{left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom))}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-actions .btn{width:100%}
  .hero-metrics{gap:18px}
  .hero-metrics b{font-size:19px}
  .post-grid,.skeleton-grid{grid-template-columns:1fr}
  .slot-grid{grid-template-columns:repeat(2,1fr)}
  .cta-actions .btn{width:100%}
  .sticky-cta{
    opacity:1;transform:none;pointer-events:auto;border-radius:18px;
    flex-direction:column;align-items:stretch;gap:10px;padding:14px;
  }
  .sticky-cta p{white-space:normal;text-align:center}
  .sticky-right{justify-content:center}
  .sticky-right .btn{flex:1}
  .foot-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:380px){
  .container{padding:0 14px}
  .card{padding:20px}
  .btn{padding:0 18px;font-size:14px}
  .stat b{font-size:25px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}

/* roulang page: article */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#12E29B;
  --brand-2:#22C3FF;
  --accent:#FFB020;
  --text-1:#EAF2FF;
  --text-2:#A7B6CC;
  --text-3:#6B7C96;
  --ok:#2BD67B;
  --warn:#FFB020;
  --err:#FF5C7A;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.45);
  --glow-brand:0 0 0 1px rgba(18,226,155,.35),0 8px 32px rgba(18,226,155,.16);
  --sidebar-w:256px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap:clamp(56px,7vw,112px);
  --font:system-ui,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text-1);
  background:var(--bg-0);
  background-image:
    radial-gradient(760px 420px at 84% -6%,rgba(18,226,155,.10),transparent 62%),
    radial-gradient(680px 420px at 6% 8%,rgba(34,195,255,.08),transparent 60%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{flex:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,226,155,.28);color:#fff}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--bg-2);border:1px solid var(--line-strong);color:var(--text-1);padding:10px 16px;border-radius:var(--radius-pill);transition:top .2s var(--ease)}
.skip-link:focus{top:12px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}

/* ---------- 侧边竖栏 ---------- */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);z-index:60;
  display:flex;flex-direction:column;gap:22px;
  padding:24px 18px 22px;
  background:var(--bg-1);
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.sidebar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.6;
}
.sidebar>*{position:relative;z-index:1}
.brand{display:flex;align-items:flex-start;gap:10px;padding:6px 8px 14px;border-bottom:1px solid var(--line)}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;
  box-shadow:var(--glow-brand);
}
.brand-text{display:block;font-size:15px;font-weight:700;line-height:1.35;letter-spacing:.02em;color:var(--text-1)}
.brand-sub{display:block;font-size:12px;color:var(--text-3);margin-top:4px;letter-spacing:.04em}
.side-nav{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;
  padding:0 14px;border-radius:12px;color:var(--text-2);font-size:14.5px;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;border-radius:2px;background:var(--brand);
  transition:height .22s var(--ease);
}
.nav-item:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-item:hover::before{height:18px}
.nav-item.is-active{color:var(--brand);background:rgba(18,226,155,.08);text-shadow:0 0 14px rgba(18,226,155,.35)}
.nav-item.is-active::before{height:22px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:44px;
  border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:#04121A;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.side-cta:hover{color:#04121A;transform:translateY(-2px);box-shadow:var(--glow-brand);filter:brightness(1.06)}
.side-cta:active{transform:translateY(0)}
.side-note{font-size:12.5px;line-height:1.6;color:var(--text-3)}
.side-note strong{color:var(--text-2);font-weight:600}

/* ---------- 移动顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:64px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(11,18,32,.94);
  border-bottom:1px solid var(--line);backdrop-filter:blur(10px);
}
.topbar-brand{display:flex;align-items:center;gap:8px;min-width:0}
.topbar-brand strong{font-size:14px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(18,226,155,.45)}
.topbar-cta{
  height:40px;display:inline-flex;align-items:center;padding:0 16px;border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:600;color:#04121A;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.topbar-cta:hover{color:#04121A;filter:brightness(1.06)}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(4,7,14,.62);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-close{display:none}

/* ---------- 主体 ---------- */
.page{margin-left:var(--sidebar-w);padding:34px 0 0;min-height:100vh}
.breadcrumb{margin-bottom:26px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--text-3);opacity:.6}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--text-2);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block}

.entry-wrap{max-width:760px}
.entry-head{display:flex;flex-direction:column;gap:16px;margin-bottom:26px}
.badge{
  align-self:flex-start;font-size:12px;line-height:1;padding:7px 12px;border-radius:var(--radius-pill);
  color:var(--brand);background:rgba(18,226,155,.14);border:1px solid rgba(18,226,155,.24);
}
.badge.is-accent{color:var(--accent);background:rgba(255,176,32,.13);border-color:rgba(255,176,32,.26)}
.entry-head h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.2;font-weight:700;letter-spacing:.02em;color:var(--text-1);
}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.entry-meta .meta{display:inline-flex;align-items:center;gap:7px}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7}
.entry-cover{margin:0 0 30px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,rgba(18,226,155,.12),rgba(34,195,255,.10))}
.entry-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}

.entry-body{font-size:16.5px;line-height:1.85;color:var(--text-2)}
.entry-body p{margin:0 0 18px;max-width:720px}
.entry-body h2{
  font-size:clamp(21px,2.2vw,27px);line-height:1.35;color:var(--text-1);
  margin:44px 0 16px;padding-left:14px;border-left:3px solid var(--brand);
}
.entry-body h3{font-size:19px;line-height:1.45;color:var(--text-1);margin:30px 0 12px}
.entry-body h4{font-size:16.5px;color:var(--text-1);margin:24px 0 10px}
.entry-body strong{color:var(--text-1);font-weight:600}
.entry-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.entry-body a:hover{color:var(--brand-2)}
.entry-body ul{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:10px}
.entry-body ul li{position:relative;padding-left:20px;line-height:1.85}
.entry-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(18,226,155,.5)}
.entry-body ol{list-style:decimal;margin:0 0 20px;padding-left:22px;display:flex;flex-direction:column;gap:10px}
.entry-body ol li{padding-left:4px}
.entry-body ol li::marker{color:var(--brand);font-weight:700}
.entry-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:rgba(18,226,155,.06);border-radius:0 12px 12px 0;color:var(--text-2);
}
.entry-body blockquote p:last-child{margin-bottom:0}
.entry-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px}
.entry-body thead th{background:rgba(255,255,255,.05);color:var(--text-1);font-weight:600;text-align:left}
.entry-body th,.entry-body td{padding:12px 14px;border:1px solid var(--line);white-space:nowrap}
.entry-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.entry-body img{border-radius:var(--radius-img);height:auto;margin:8px 0}
.entry-body figure{margin:24px 0}
.entry-body figcaption{font-size:12.5px;color:var(--text-3);margin-top:8px;text-align:center}
.entry-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.entry-body code{font-size:14px;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:var(--brand-2)}

.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:36px 26px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state h2{font-size:20px;color:var(--text-1);border:0;padding:0;margin:0 0 10px}
.empty-state p{color:var(--text-3);font-size:14.5px;margin:0 0 18px}
.empty-state .link-brand{color:var(--brand);text-decoration:none;font-weight:600;border-bottom:1px solid rgba(18,226,155,.45)}

.entry-foot{margin-top:38px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:flex-start}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{font-size:12.5px;padding:6px 12px;border-radius:var(--radius-pill);border:1px solid var(--line);color:var(--text-2);transition:color .22s var(--ease),border-color .22s var(--ease)}
.tag:hover{color:var(--brand);border-color:rgba(18,226,155,.45)}
.share-row{display:flex;align-items:center;gap:10px}
.share-row .label{font-size:13px;color:var(--text-3)}
.share-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.share-btn:hover{color:var(--brand);border-color:rgba(18,226,155,.45);transform:translateY(-2px)}

/* ---------- 相关推荐 ---------- */
.section{margin-top:var(--gap)}
.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;color:var(--text-1)}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.text-link{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link:hover{color:var(--brand)}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(18,226,155,.4);box-shadow:var(--shadow-2)}
.post-card:hover .thumb img{transform:scale(1.03)}
.thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(18,226,155,.14),rgba(34,195,255,.12))}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:17px;line-height:1.5;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:13.5px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.post-meta .read{color:var(--text-2)}
.post-card:hover .post-meta .read{color:var(--brand)}
.post-empty{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);padding:32px 24px;text-align:center;
  background:rgba(255,255,255,.02);color:var(--text-3);font-size:14.5px;
}
.post-empty a{color:var(--brand);font-weight:600;margin-left:6px}
.skeleton{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.skeleton .sk-line{height:12px;margin:16px 20px;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.12),rgba(255,255,255,.05));background-size:200% 100%;animation:sk 1.4s linear infinite}
.skeleton .sk-thumb{aspect-ratio:16/9;background:rgba(255,255,255,.05)}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- 文末 CTA ---------- */
.cta-band{
  margin-top:var(--gap);border:1px solid var(--line);border-radius:var(--radius-card);
  background:linear-gradient(120deg,rgba(18,226,155,.10),rgba(34,195,255,.06) 55%,rgba(17,28,46,.2));
  padding:clamp(28px,4vw,46px);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;color:var(--text-1);max-width:560px}
.cta-band p{font-size:14px;color:var(--text-3);margin-top:10px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:600;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{color:#04121A;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);box-shadow:var(--glow-brand);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--text-1);border:1px solid var(--line-strong);background:transparent}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{margin-left:var(--sidebar-w);border-top:1px solid var(--line);background:var(--bg-1);margin-top:var(--gap)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;padding:clamp(40px,5vw,64px) 0 32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.foot-brand strong{font-size:15px;font-weight:700;color:var(--text-1);line-height:1.4}
.foot-text{font-size:13.5px;line-height:1.75;color:var(--text-3);max-width:340px}
.foot-col h4{font-size:13.5px;color:var(--text-1);margin-bottom:14px;letter-spacing:.03em}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:13.5px;color:var(--text-3);line-height:1.6}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:var(--text-3)}

/* ---------- 吸底转化条 ---------- */
.sticky-cta{
  position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:80;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 20px calc(0px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border-top:1px solid rgba(18,226,155,.35);
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 -8px 32px rgba(0,0,0,.45);
  transform:translateY(120%);opacity:0;visibility:hidden;
  transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;visibility:visible}
.sticky-cta .tip{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px}
.sticky-cta .tip strong{color:var(--text-1);font-weight:600}
.sticky-cta .acts{display:flex;align-items:center;gap:10px}
.sticky-cta .btn{height:40px;padding:0 20px;font-size:14px}
.sticky-close{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);color:var(--text-3)}
.sticky-close:hover{color:var(--text-1);border-color:var(--line-strong)}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1240px}
}
@media (min-width:992px) and (max-width:1199px){
  :root{--sidebar-w:80px}
  .sidebar{width:80px;padding:20px 12px;align-items:center}
  .sidebar .brand{padding:4px 0 14px;justify-content:center}
  .sidebar .brand-text,.sidebar .brand-sub,.sidebar .side-cta,.sidebar .side-note{display:none}
  .nav-item{justify-content:center;padding:0;width:44px}
  .nav-item span{position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:var(--bg-2);border:1px solid var(--line-strong);color:var(--text-1);padding:8px 12px;border-radius:10px;font-size:13px;box-shadow:var(--shadow-1);opacity:0;pointer-events:none;transition:opacity .2s var(--ease)}
  .nav-item:hover span{opacity:1}
  .side-foot{margin-top:auto;width:100%;border-top:1px solid var(--line)}
  .side-foot .side-note{display:none}
}
@media (max-width:991px){
  .sidebar{
    width:280px;padding:22px 20px;transform:translateX(-100%);
    transition:transform .26s var(--ease);z-index:120;box-shadow:var(--shadow-2);
  }
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:grid;position:absolute;top:16px;right:14px;z-index:2}
  .topbar{display:flex}
  .page{margin-left:0}
  .site-footer{margin-left:0}
  .sticky-cta{left:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .post-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page{padding-top:22px}
  .entry-head h1{font-size:clamp(24px,6.4vw,32px)}
  .entry-body{font-size:16px}
  .entry-body h2{margin-top:34px}
  .entry-foot{flex-direction:column;align-items:flex-start}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .btn{width:100%}
  .post-grid{grid-template-columns:1fr;gap:18px}
  .post-card{flex-direction:row}
  .post-card .thumb{width:132px;aspect-ratio:1/1;flex:none}
  .post-body{padding:16px 16px 16px 0;gap:8px}
  .post-body p{display:none}
  .foot-grid{grid-template-columns:1fr}
  .sticky-cta{height:auto;padding:12px 16px calc(12px + env(safe-area-inset-bottom));flex-wrap:wrap}
  .sticky-cta .tip{font-size:13px}
  .sticky-cta .acts{flex:1;justify-content:flex-end}
  .skeleton{display:none}
}
@media (max-width:380px){
  .entry-body{font-size:15.5px}
  .brand-text{font-size:14px}
  .sticky-cta .tip strong{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#12E29B;
  --brand-2:#22C3FF;
  --accent:#FFB020;
  --text-1:#EAF2FF;
  --text-2:#A7B6CC;
  --text-3:#6B7C96;
  --ok:#2BD67B;
  --warn:#FFB020;
  --err:#FF5C7A;
  --sidebar-w:256px;
  --topbar-h:64px;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.45);
  --glow-brand:0 0 0 1px rgba(18,226,155,.35),0 8px 32px rgba(18,226,155,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.22s;
  --font:system-ui,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);
  background:var(--bg-1);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;padding:22px 16px;
  z-index:60;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;box-shadow:var(--glow-brand);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.35;color:var(--text-1)}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.08em}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:14.5px;position:relative;
}
.nav-item svg{flex:0 0 auto;color:var(--text-3);transition:color var(--dur) var(--ease)}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:transparent;transition:background var(--dur) var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--text-1)}
.nav-item:hover svg{color:var(--brand)}
.nav-item.is-active{color:var(--brand);background:rgba(18,226,155,.08);text-shadow:0 0 14px rgba(18,226,155,.35)}
.nav-item.is-active svg{color:var(--brand)}
.nav-item.is-active::before{background:var(--brand)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.side-foot .meta{font-size:12.5px;color:var(--text-3);line-height:1.7}
.btn-side{
  display:flex;align-items:center;justify-content:center;height:44px;border:none;
  border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;font-size:14px;font-weight:700;
  transition:transform var(--dur) var(--ease),filter var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-side:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--glow-brand)}
.btn-side:active{transform:translateY(0)}

/* ============ 移动顶栏 / 抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:70;
  background:rgba(11,18,32,.92);backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 16px;
}
.topbar-brand{flex:1;font-size:14px;font-weight:700;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--line);
  border-radius:12px;background:transparent;color:var(--text-1);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.btn-top{
  height:40px;padding:0 16px;border-radius:var(--radius-pill);border:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;font-size:13.5px;font-weight:700;
}
.drawer{
  position:fixed;top:0;bottom:0;left:0;width:280px;z-index:90;
  background:rgba(11,18,32,.95);backdrop-filter:blur(14px) saturate(140%);
  border-right:1px solid var(--line-strong);
  transform:translateX(-102%);transition:transform var(--dur) var(--ease);
  padding:20px 16px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head strong{font-size:14.5px;line-height:1.35}
.overlay{
  position:fixed;inset:0;background:rgba(3,6,12,.66);z-index:80;opacity:0;visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.overlay.is-open{opacity:1;visibility:visible}

/* ============ 主体骨架 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.page-head{
  position:relative;overflow:hidden;padding:clamp(44px,5vw,72px) 0 clamp(36px,4vw,56px);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(18,226,155,.14),transparent 62%),
    radial-gradient(720px 380px at 92% 20%,rgba(34,195,255,.12),transparent 60%),
    var(--bg-1);
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:var(--text-3)}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(18,226,155,.14);color:var(--brand);border:1px solid rgba(18,226,155,.28);
}
.badge.amber{background:rgba(255,176,32,.14);color:var(--accent);border-color:rgba(255,176,32,.3)}
.badge.blue{background:rgba(34,195,255,.14);color:var(--brand-2);border-color:rgba(34,195,255,.3)}

h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;font-weight:700;letter-spacing:.02em;margin:18px 0 16px;max-width:900px}
.lede{font-size:clamp(15px,1.5vw,17px);color:var(--text-2);max-width:720px}
.head-stats{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.head-stats div{display:flex;align-items:baseline;gap:8px}
.head-stats b{font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums}
.head-stats small{font-size:13px;color:var(--text-3)}

.section{padding:clamp(56px,7vw,112px) 0;position:relative}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:clamp(28px,3.4vw,48px)}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.sec-head p{color:var(--text-2);max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brand)}

/* 左文右图 */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,3.4vw,52px);align-items:start}
.media-frame{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:linear-gradient(135deg,rgba(18,226,155,.18),rgba(34,195,255,.14),var(--bg-2))}
.media-frame img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.media-cap{position:absolute;left:16px;bottom:16px;right:16px;font-size:12.5px;color:var(--text-2);background:rgba(6,10,20,.66);border:1px solid var(--line);border-radius:10px;padding:10px 12px;backdrop-filter:blur(8px)}

/* 编号条件清单 */
.cond-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.cond{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.cond:hover{border-color:rgba(18,226,155,.4);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.cond-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(18,226,155,.12);color:var(--brand);border:1px solid rgba(18,226,155,.3);
}
.cond h3{font-size:17px;margin-bottom:6px}
.cond p{font-size:14.5px;color:var(--text-2)}
.cond .tips{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.tip{font-size:12px;color:var(--text-3);border:1px solid var(--line);border-radius:var(--radius-pill);padding:3px 10px}

/* 对照表 */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius-card);overflow-x:auto;background:var(--bg-2);box-shadow:var(--shadow-1)}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
thead th{
  text-align:left;padding:16px 20px;background:rgba(255,255,255,.03);
  color:var(--text-1);font-size:13.5px;letter-spacing:.04em;border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
tbody td{padding:15px 20px;color:var(--text-2);border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:nth-child(even) td{background:rgba(255,255,255,.018)}
tbody tr:hover td{background:rgba(18,226,155,.05);color:var(--text-1)}
tbody tr:last-child td{border-bottom:none}
td .cell-strong{color:var(--text-1);font-weight:600}
.state{display:inline-flex;align-items:center;gap:6px;font-size:12.5px}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 8px}
.dot.ok{background:var(--ok);box-shadow:0 0 10px rgba(43,214,123,.6)}
.dot.warn{background:var(--warn);box-shadow:0 0 10px rgba(255,176,32,.55)}
.dot.err{background:var(--err);box-shadow:0 0 10px rgba(255,92,122,.55)}

/* 双列小节 */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card:hover{border-color:rgba(18,226,155,.4);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.card h3{font-size:19px;margin:14px 0 10px}
.card p{color:var(--text-2);font-size:15px}
.card .metric{margin-top:16px;font-size:24px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.card .metric small{display:block;font-size:12.5px;font-weight:400;color:var(--text-3);margin-top:2px}

/* 点列表 */
.dot-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.dot-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.dot-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);margin-top:9px;flex:0 0 7px}
.dot-list.amber li::before{background:var(--accent)}
.dot-list.blue li::before{background:var(--brand-2)}

/* FAQ */
.faq{margin-top:12px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);transition:background var(--dur) var(--ease)}
.faq details[open]{background:rgba(18,226,155,.04);box-shadow:inset 3px 0 0 var(--brand)}
.faq summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 18px;font-size:16px;font-weight:600;cursor:pointer;color:var(--text-1);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq summary .chev{flex:0 0 auto;color:var(--text-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.faq details[open] summary .chev{transform:rotate(180deg);color:var(--brand)}
.faq .ans{padding:0 18px 20px;font-size:15px;color:var(--text-2);max-width:760px}

/* CTA */
.cta-band{
  margin:clamp(40px,5vw,72px) 0 0;border:1px solid var(--line);border-radius:var(--radius-card);
  background:
    radial-gradient(700px 300px at 8% 10%,rgba(18,226,155,.16),transparent 60%),
    radial-gradient(600px 280px at 96% 90%,rgba(34,195,255,.14),transparent 60%),
    var(--bg-2);
  padding:clamp(28px,3.6vw,46px);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:26px;align-items:center;box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-band p{color:var(--text-2);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform var(--dur) var(--ease),filter var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--glow-brand)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#241703}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,176,32,.4),0 10px 30px rgba(255,176,32,.18)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;filter:none;box-shadow:none;transform:none;cursor:not-allowed}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(44px,5vw,68px) 0 28px;margin-top:clamp(56px,7vw,112px)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand strong{font-size:15.5px}
.foot-text{color:var(--text-2);font-size:14px;max-width:360px}
.foot-col h4{font-size:14px;color:var(--text-1);margin-bottom:14px;letter-spacing:.06em}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a,.foot-col span{color:var(--text-2);font-size:14px}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}

/* ============ 断点 ============ */
@media (max-width:1439px){
  .container{max-width:1200px}
}
@media (max-width:1199px){
  :root{--sidebar-w:80px}
  .sidebar{padding:18px 12px;align-items:center}
  .brand{flex-direction:column;gap:8px;padding:6px 0 14px;width:100%;justify-content:center}
  .brand-text{font-size:11px;text-align:center}
  .brand-text small{display:none}
  .side-nav{width:100%}
  .nav-item{justify-content:center;padding:0}
  .nav-item span{display:none}
  .nav-item::before{display:none}
  .side-foot{align-items:center;width:100%}
  .side-foot .meta{display:none}
  .btn-side{font-size:0;width:46px;padding:0}
  .btn-side::after{content:"进入";font-size:12.5px}
}
@media (max-width:991px){
  :root{--sidebar-w:0px}
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:var(--topbar-h)}
  .split{grid-template-columns:minmax(0,1fr)}
  .grid-2{grid-template-columns:minmax(0,1fr)}
  .cta-band{grid-template-columns:minmax(0,1fr)}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  h1{font-size:clamp(26px,7.4vw,34px)}
  .container{padding:0 16px}
  .head-stats{gap:12px 22px}
  .cond{grid-template-columns:38px minmax(0,1fr);padding:18px}
  .card{padding:20px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .foot-bottom{flex-direction:column;gap:8px}
  table{min-width:560px}
}
@media (max-width:380px){
  h1{font-size:24px}
  .container{padding:0 14px}
  .cond-num{width:34px;height:34px;font-size:13px}
  .head-stats b{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --brand:#12E29B;
  --brand-2:#22C3FF;
  --accent:#FFB020;
  --text-1:#EAF2FF;
  --text-2:#A7B6CC;
  --text-3:#6B7C96;
  --ok:#2BD67B;
  --warn:#FFB020;
  --err:#FF5C7A;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.45);
  --glow-brand:0 0 0 1px rgba(18,226,155,.35),0 8px 32px rgba(18,226,155,.16);
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-pill:999px;
  --rail-w:256px;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:.22s;
  --sec-pad:clamp(56px,7vw,112px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
strong,b{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,226,155,.28)}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  padding:10px 18px;background:var(--brand);color:#04121A;border-radius:0 0 10px 0;font-weight:600;
}
.skip-link:focus{left:0}

.site-main{margin-left:var(--rail-w);min-height:100vh;overflow-x:hidden}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media(min-width:1440px){:root{--maxw:1240px}}

/* ============ 左侧竖栏 ============ */
.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  background:var(--bg-1);
  border-right:1px solid var(--line);
  z-index:80;
  transition:width var(--t) var(--ease),transform .24s var(--ease);
}
.rail::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:26px 26px;
}
.rail>*{position:relative;z-index:1}
.rail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:4px 6px 18px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;flex:0 0 36px;
  border-radius:12px;color:#04121A;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:var(--glow-brand);
}
.brand-text{font-weight:700;font-size:15px;line-height:1.35;letter-spacing:.01em}
.rail-close{
  display:none;width:36px;height:36px;flex:0 0 36px;border-radius:50%;
  border:1px solid var(--line);color:var(--text-3);place-items:center;
  transition:color var(--t),border-color var(--t);
}
.rail-close:hover{color:var(--text-1);border-color:var(--brand)}

.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:14.5px;
  transition:color var(--t),background var(--t);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:2px;border-radius:2px;
  background:transparent;transition:background var(--t);
}
.nav-item svg{flex:0 0 auto;opacity:.9}
.nav-item:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-item.is-active{
  color:var(--brand);background:rgba(18,226,155,.08);
  text-shadow:0 0 14px rgba(18,226,155,.35);
}
.nav-item.is-active::before{background:var(--brand)}

.rail-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;
}
.rail-cta{width:100%;justify-content:center}
.rail-note{font-size:12.5px;line-height:1.7;color:var(--text-3)}

/* ============ 按钮与徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;box-shadow:0 6px 20px rgba(18,226,155,.22)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--glow-brand)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#241703;box-shadow:0 6px 20px rgba(255,176,32,.2)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,176,32,.4),0 10px 30px rgba(255,176,32,.22)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;transform:none}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);
  color:var(--brand);background:rgba(18,226,155,.12);
  border:1px solid rgba(18,226,155,.28);
}
.badge-accent{color:var(--accent);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.3)}
.tag{
  display:inline-flex;align-items:center;font-size:12px;padding:4px 12px;border-radius:var(--r-pill);
  color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
}

/* ============ 顶部移动导航 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:90;
  align-items:center;gap:14px;padding:0 16px;
  background:rgba(11,18,32,.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.hamburger{
  display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;border:1px solid var(--line);color:var(--text-1);
  transition:border-color var(--t),color var(--t);
}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}
.topbar-brand{font-weight:700;font-size:15px;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.6);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:95;
}
.nav-mask.is-show{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(64px,8vw,116px) 0 clamp(48px,6vw,84px);
  background:
    radial-gradient(880px 460px at 12% -6%,rgba(18,226,155,.16),transparent 62%),
    radial-gradient(720px 420px at 92% 8%,rgba(34,195,255,.13),transparent 60%),
    var(--bg-0);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 50% 18%,#000,transparent 76%);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(28px,4vw,52px);align-items:center;
}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;font-weight:700;letter-spacing:.02em;
  max-width:14em;
}
.lead{font-size:clamp(15.5px,1.6vw,17px);color:var(--text-2);max-width:640px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:flex;flex-wrap:wrap;width:100%;margin-top:14px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats li{flex:1 1 130px;padding-right:20px}
.hero-stats li+li{padding-left:20px;border-left:1px solid var(--line)}
.hero-stats strong{display:block;font-size:26px;line-height:1.2;color:var(--accent);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--text-3)}

.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.glass-card{
  position:absolute;left:-16px;bottom:-22px;width:min(304px,84%);
  padding:14px 18px;border-radius:14px;
  background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--shadow-1);
}
.glass-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0;font-size:13px;color:var(--text-2)}
.glass-row+.glass-row{border-top:1px solid rgba(255,255,255,.08)}
.glass-row strong{color:var(--accent);font-weight:600}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0;border-top:1px solid var(--line);position:relative}
.section-alt{
  background:
    radial-gradient(720px 340px at 86% 0%,rgba(34,195,255,.09),transparent 66%),
    var(--bg-1);
}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:.01em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.24em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.section-head p{margin-top:12px;color:var(--text-2);max-width:660px}

/* ============ 编号条件清单 ============ */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.checklist li{
  padding:26px 28px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color var(--t),transform var(--t) var(--ease),box-shadow var(--t);
}
.checklist li:hover{border-color:rgba(18,226,155,.4);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.num{
  display:inline-grid;place-items:center;min-width:42px;height:26px;padding:0 10px;
  margin-bottom:14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.28);
  font-variant-numeric:tabular-nums;
}
.checklist h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.checklist p{font-size:14.5px;color:var(--text-2)}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);
  box-shadow:var(--shadow-1);
}
.compare-table{width:100%;min-width:680px;border-collapse:collapse;font-size:14.5px}
.compare-table caption{
  text-align:left;padding:20px 24px 4px;color:var(--text-3);font-size:13px;
}
.compare-table th,.compare-table td{padding:16px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table thead th{
  font-size:13px;letter-spacing:.04em;color:var(--text-2);
  background:rgba(255,255,255,.03);white-space:nowrap;
}
.compare-table tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.compare-table tbody tr:hover{background:rgba(18,226,155,.06)}
.compare-table td{color:var(--text-2)}
.compare-table td:first-child{color:var(--text-1);font-weight:600;white-space:nowrap}
.compare-table tbody tr:last-child td{border-bottom:0}

/* ============ 图文交替 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(26px,4vw,48px);align-items:center;
}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.split-copy h2{
  position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px);
  line-height:1.32;margin-bottom:14px;
}
.split-copy h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.24em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.split-copy p{color:var(--text-2);max-width:640px}
.bullets{margin-top:18px}
.bullets li{position:relative;padding-left:22px;margin-top:12px;color:var(--text-2);font-size:15px}
.bullets li::before{
  content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 10px rgba(18,226,155,.6);
}
.bullets li.is-accent::before{background:var(--accent);box-shadow:0 0 10px rgba(255,176,32,.6)}
.split-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 提示条 ============ */
.note-strip{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  margin-top:28px;padding:16px 20px;
  border-radius:var(--r-card);border:1px dashed rgba(255,255,255,.16);
  color:var(--text-2);font-size:14px;background:rgba(255,255,255,.02);
}
.note-strip svg{flex:0 0 auto;color:var(--brand)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq details[open]{border-color:rgba(18,226,155,.35);box-shadow:var(--shadow-1)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 24px;cursor:pointer;
  font-size:15.5px;font-weight:600;line-height:1.6;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-right:2px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform var(--t),border-color var(--t);
}
.faq details[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq .faq-body{
  padding:0 24px 22px;margin-left:24px;padding-left:16px;
  border-left:3px solid transparent;color:var(--text-2);
  font-size:15px;line-height:1.85;
  transition:border-color var(--t);
}
.faq details[open] .faq-body{border-left-color:var(--brand)}

/* ============ CTA 区块 ============ */
.cta-band{
  padding:var(--sec-pad) 0;border-top:1px solid var(--line);
  background:
    radial-gradient(800px 320px at 50% 0%,rgba(18,226,155,.12),transparent 70%),
    var(--bg-1);
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:30px 32px;border-radius:20px;
  border:1px solid rgba(18,226,155,.22);
  background:linear-gradient(140deg,rgba(18,226,155,.08),rgba(34,195,255,.05));
  box-shadow:var(--shadow-1);
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;margin-bottom:8px}
.cta-inner p{color:var(--text-2);font-size:14.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand strong{font-size:15.5px;font-weight:700;line-height:1.4}
.foot-text{color:var(--text-2);font-size:13.5px;line-height:1.8;max-width:360px}
.foot-col h4{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:13.5px;color:var(--text-2);line-height:1.7}
.foot-col a{color:var(--text-2);transition:color var(--t)}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:12.5px;
}

/* ============ 吸底转化条 ============ */
.dock{
  position:fixed;left:var(--rail-w);right:0;bottom:0;z-index:70;
  display:flex;align-items:center;gap:16px;
  min-height:64px;padding:10px 18px 10px 22px;
  background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
  border-top:1px solid rgba(18,226,155,.35);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 -8px 30px rgba(18,226,155,.1);
  transform:translateY(110%);
  transition:transform .28s var(--ease);
}
.dock.is-visible{transform:translateY(0)}
.dock-text{
  flex:1 1 auto;min-width:0;font-size:14px;color:var(--text-2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dock-close{
  display:grid;place-items:center;width:36px;height:36px;flex:0 0 36px;
  border-radius:50%;border:1px solid var(--line);color:var(--text-3);
  transition:color var(--t),border-color var(--t);
}
.dock-close:hover{color:var(--text-1);border-color:var(--brand)}

/* ============ 骨架屏 ============ */
.skeleton{border-radius:var(--r-card);background:linear-gradient(100deg,rgba(255,255,255,.05) 20%,rgba(255,255,255,.1) 40%,rgba(255,255,255,.05) 60%);background-size:220% 100%;animation:shimmer 1.3s infinite linear;height:120px}
@keyframes shimmer{from{background-position:120% 0}to{background-position:-40% 0}}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--r-card);
  padding:32px 24px;text-align:center;color:var(--text-2);font-size:14.5px;
}
.empty-state a{color:var(--brand)}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199px){
  :root{--rail-w:80px}
  .rail{padding:18px 10px;align-items:center}
  .rail-head{padding:4px 0 18px;justify-content:center}
  .brand{justify-content:center}
  .brand-text{display:none}
  .side-nav{width:100%;align-items:center}
  .nav-item{width:52px;justify-content:center;padding:0}
  .nav-item span{display:none}
  .rail-foot{width:100%;align-items:center}
  .rail-cta{width:52px;padding:0;font-size:0}
  .rail-cta::after{content:"进入";font-size:13px}
  .rail-note{display:none}
}

@media (max-width:991px){
  .topbar{display:flex}
  .rail{
    width:280px;transform:translateX(-100%);
    padding:18px 16px 20px;
    box-shadow:var(--shadow-2);
  }
  .rail.is-open{transform:translateX(0)}
  .rail-close{display:grid}
  .site-main{margin-left:0;padding-top:64px}
  .hero-inner{grid-template-columns:1fr}
  .glass-card{left:auto;right:12px;bottom:-18px}
  .checklist{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split.reverse .split-media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .dock{left:0;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  .dock-text{font-size:13px}
}

@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .hero{padding-top:56px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-stats li{flex:1 1 100%;padding:12px 0 0;border-left:0}
  .hero-stats li+li{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .btn{width:100%}
  .btn-row{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .cta-inner{padding:24px 20px}
  .dock{gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom))}
  .dock .btn{width:auto}
  .dock-text{display:none}
}

@media (max-width:380px){
  .container{padding:0 14px}
  .hero h1{font-size:25px}
  .checklist li{padding:20px}
  .foot-bottom{flex-direction:column}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A14;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --brand:#12E29B;
  --brand-2:#22C3FF;
  --accent:#FFB020;
  --text-1:#EAF2FF;
  --text-2:#A7B6CC;
  --text-3:#6B7C96;
  --ok:#2BD67B;
  --warn:#FFB020;
  --err:#FF5C7A;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.45);
  --glow-brand:0 0 0 1px rgba(18,226,155,.35), 0 8px 32px rgba(18,226,155,.16);
  --sidebar-w:256px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --pad-section:clamp(56px,7vw,112px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-0);
  color:var(--text-1);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease),opacity .22s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

.skip-link{position:absolute;left:-9999px;top:0;z-index:200;padding:10px 18px;background:var(--brand);color:#04121A;border-radius:0 0 12px 0;font-weight:600}
.skip-link:focus{left:0}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--bg-1);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:22px 16px 20px;
  overflow-y:auto;
  z-index:60;
}
.sidebar::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.side-top{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:11px;min-height:44px}
.brand-mark{
  flex:none;
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(18,226,155,.25);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.35;letter-spacing:.01em;color:var(--text-1)}
.drawer-close{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text-2)}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}

.side-nav{position:relative;display:grid;gap:6px;margin-top:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  min-height:44px;
  padding:0 12px;
  border-radius:12px;
  color:var(--text-2);
  font-size:15px;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-item::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;width:2px;
  border-radius:2px;
  background:transparent;
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-item svg{flex:none;color:var(--text-3);transition:color .2s var(--ease)}
.nav-item:hover{background:rgba(255,255,255,.045);color:var(--text-1)}
.nav-item:hover svg{color:var(--brand)}
.nav-item.is-active{color:var(--brand);background:rgba(18,226,155,.09)}
.nav-item.is-active svg{color:var(--brand)}
.nav-item.is-active::before{background:var(--brand);box-shadow:0 0 10px rgba(18,226,155,.7)}

.side-foot{position:relative;margin-top:auto;display:grid;gap:14px;padding-top:18px;border-top:1px solid var(--line)}
.side-meta{font-size:13px;line-height:1.7;color:var(--text-3)}
.side-meta a{color:var(--text-2)}
.side-meta a:hover{color:var(--brand)}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding:0 16px;
  background:rgba(11,18,32,.92);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.menu-toggle{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);color:var(--text-1)}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;min-width:0}
.mobile-brand span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mobile-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.mobile-cta{min-height:38px;padding:0 14px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;font-size:13px;font-weight:700;display:inline-flex;align-items:center}

.drawer-mask{
  position:fixed;inset:0;
  background:rgba(3,7,15,.65);
  backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}

/* ---------- 布局 ---------- */
main{margin-left:var(--sidebar-w);display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--pad-section) 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;
  color:var(--brand);
  padding:6px 14px;
  border-radius:999px;
  background:rgba(18,226,155,.1);
  border:1px solid rgba(18,226,155,.24);
}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;margin-top:16px;letter-spacing:.01em}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;max-width:720px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 26px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;box-shadow:var(--glow-brand)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 0 1px rgba(18,226,155,.5),0 14px 38px rgba(18,226,155,.24)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:#1B1204}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:clamp(40px,5.5vw,72px) 0 clamp(32px,4vw,56px);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(700px 380px at 12% -10%,rgba(18,226,155,.16),transparent 62%),
    radial-gradient(620px 340px at 92% 6%,rgba(34,195,255,.12),transparent 66%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(180deg,rgba(11,18,32,.86),rgba(6,10,20,.96)),
    url("/assets/images/backpic/back-3.webp");
  background-size:auto,auto,24px 24px,24px 24px,auto,cover;
  background-position:center,center,0 0,0 0,center,center;
  opacity:.96;
  pointer-events:none;
}
.page-head > .container{position:relative}
.crumb{margin-bottom:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li::after{content:"/";color:var(--text-3);opacity:.6}
.crumb li:last-child::after{content:""}
.crumb a:hover{color:var(--brand)}
.crumb [aria-current]{color:var(--text-2)}

.head-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:36px;align-items:center}
.head-copy h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:.02em;
  margin:16px 0 0;
}
.head-copy .lead{margin-top:18px;color:var(--text-2);font-size:17px;max-width:640px}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  font-size:12px;
  padding:6px 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-2);
}
.head-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  background:linear-gradient(135deg,rgba(18,226,155,.14),rgba(34,195,255,.1));
}
.head-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 条件卡 ---------- */
.cond-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.cond-card{
  position:relative;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.cond-card:hover{transform:translateY(-2px);border-color:rgba(18,226,155,.4);box-shadow:var(--shadow-1)}
.cond-num{
  display:inline-grid;place-items:center;
  width:38px;height:38px;
  border-radius:12px;
  background:rgba(255,176,32,.12);
  color:var(--accent);
  font-weight:700;
  font-size:14px;
  font-variant-numeric:tabular-nums;
}
.cond-card h3{font-size:20px;margin-top:16px}
.cond-card p{margin-top:10px;color:var(--text-2);font-size:15px}
.cond-card .mini{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:22px}
.timeline::before{
  content:"";
  position:absolute;left:31px;top:22px;bottom:22px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(34,195,255,.3),rgba(34,195,255,0));
}
.step{display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start}
.step-num{
  position:relative;z-index:1;
  width:64px;height:64px;
  border-radius:20px;
  display:grid;place-items:center;
  background:var(--bg-2);
  border:1px solid var(--line);
  color:var(--accent);
  font-weight:700;font-size:17px;
  font-variant-numeric:tabular-nums;
}
.step-body{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step-body:hover{border-color:rgba(18,226,155,.4);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.step-body h3{font-size:20px}
.step-body > p{margin-top:10px;color:var(--text-2);font-size:15px}
.dot-list{margin-top:16px;display:grid;gap:10px}
.dot-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.dot-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(18,226,155,.12);
}

/* ---------- 适配清单 ---------- */
.adapt-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
.adapt-list{display:grid;gap:14px}
.adapt-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 22px;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.adapt-item:hover{border-color:rgba(18,226,155,.35);transform:translateY(-2px)}
.adapt-item .txt{font-size:15px;color:var(--text-1)}
.adapt-item .sub{display:block;font-size:13px;color:var(--text-3);margin-top:4px}
.badge{
  flex:none;
  font-size:12px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(18,226,155,.14);
  color:var(--brand);
  white-space:nowrap;
}
.badge--warn{background:rgba(255,176,32,.14);color:var(--accent)}
.badge--info{background:rgba(34,195,255,.14);color:var(--brand-2)}

.adapt-aside{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
}
.adapt-aside h3{font-size:20px}
.adapt-aside p{margin-top:12px;color:var(--text-2);font-size:15px}
.adapt-aside .shot{margin-top:20px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,rgba(18,226,155,.12),rgba(34,195,255,.1))}
.adapt-aside .shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.adapt-aside .btn{margin-top:22px;width:100%}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .22s var(--ease);
}
.faq-item[open]{border-color:rgba(18,226,155,.42)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;
  padding:16px 24px;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  flex:none;
  width:10px;height:10px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-item summary:hover{color:var(--brand)}
.faq-body{
  padding:0 24px 20px 24px;
  border-left:3px solid var(--brand);
  margin-left:0;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 指标带 ---------- */
.metric-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.metric-cell{background:var(--bg-2);padding:26px 24px}
.metric-cell .num{
  font-size:clamp(26px,3vw,34px);
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric-cell .lab{margin-top:8px;font-size:14px;color:var(--text-2)}
.metric-cell .note{margin-top:6px;font-size:12px;color:var(--text-3)}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;
  border-radius:var(--radius-card);
  border:1px solid rgba(18,226,155,.28);
  background:
    radial-gradient(600px 300px at 8% 0%,rgba(18,226,155,.16),transparent 60%),
    radial-gradient(520px 280px at 96% 100%,rgba(34,195,255,.14),transparent 62%),
    var(--bg-2);
  padding:clamp(30px,4vw,52px);
  display:grid;
  grid-template-columns:1.2fr auto;
  gap:26px;
  align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-block h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3}
.cta-block p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:620px}
.cta-block .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:clamp(40px,5vw,64px) 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:700}
.foot-text{margin-top:14px;font-size:14px;color:var(--text-2);max-width:340px}
.foot-col h4{font-size:14px;color:var(--text-1);letter-spacing:.04em}
.foot-col ul{margin-top:14px;display:grid;gap:10px}
.foot-col li{font-size:14px;color:var(--text-2)}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 吸底条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 20px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid rgba(18,226,155,.35);
  box-shadow:0 -8px 32px rgba(18,226,155,.12);
  transform:translateY(110%);
  transition:transform .28s var(--ease);
  z-index:75;
  padding-bottom:env(safe-area-inset-bottom,0);
}
.sticky-bar.is-visible{transform:translateY(0)}
.sticky-bar .tip{font-size:14px;color:var(--text-2)}
.sticky-bar .tip strong{color:var(--text-1);font-weight:600}
.sticky-actions{display:flex;align-items:center;gap:12px}
.sticky-close{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:var(--text-3);border:1px solid var(--line)}
.sticky-close:hover{color:var(--brand);border-color:var(--brand)}

/* ---------- 骨架屏 ---------- */
.skeleton{background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.09),rgba(255,255,255,.05));background-size:200% 100%;animation:sk 1.4s linear infinite;border-radius:12px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){.container{max-width:1240px}}

@media (max-width:1199px) and (min-width:992px){
  .sidebar{width:80px;padding:20px 10px;overflow:hidden;transition:width .26s var(--ease),box-shadow .26s var(--ease)}
  .sidebar .brand-text,
  .sidebar .nav-item span,
  .sidebar .side-cta,
  .sidebar .side-meta,
  .sidebar .side-foot{border-top-color:transparent}
  .sidebar .nav-item{justify-content:center;padding:0 8px}
  .sidebar .brand{justify-content:center}
  .sidebar .side-foot{display:none}
  .sidebar:hover{width:256px;overflow-y:auto;box-shadow:var(--shadow-2)}
  .sidebar:hover .brand-text,
  .sidebar:hover .nav-item span,
  .sidebar:hover .side-meta{display:block}
  .sidebar:hover .side-foot{display:grid}
  .sidebar:hover .nav-item{justify-content:flex-start;padding:0 12px}
  .sidebar:hover .brand{justify-content:flex-start}
  main{margin-left:80px}
}

@media (max-width:991px){
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform .26s var(--ease);
    box-shadow:var(--shadow-2);
    z-index:90;
  }
  .sidebar.is-open{transform:translateX(0)}
  .drawer-close{display:inline-flex}
  .mobile-bar{display:flex}
  main{margin-left:0;padding-top:64px}
  .head-grid{grid-template-columns:1fr;gap:28px}
  .adapt-layout{grid-template-columns:1fr}
  .cta-block{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .sticky-bar{transform:translateY(0);height:60px}
  .sidebar .brand-text{font-size:14px}
}

@media (max-width:767px){
  .cond-grid{grid-template-columns:1fr}
  .metric-band{grid-template-columns:repeat(2,1fr)}
  .step{grid-template-columns:48px 1fr;gap:14px}
  .step-num{width:48px;height:48px;border-radius:15px;font-size:15px}
  .timeline::before{left:23px}
  .head-copy .lead{font-size:16px}
  .head-actions .btn{width:100%}
  .container{padding:0 18px}
  .faq-body{padding:0 18px 18px}
  .faq-item summary{padding:14px 18px}
  .foot-grid{grid-template-columns:1fr}
  .sticky-bar .tip{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .cta-block .btn{width:100%}
}

@media (max-width:380px){
  body{font-size:15px}
  .container{padding:0 14px}
  .head-copy h1{font-size:26px}
  .metric-cell{padding:20px 16px}
  .sticky-bar{gap:10px;padding:0 12px}
  .btn{padding:0 18px;font-size:14px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .sticky-bar{transition:none}
}