/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --brand:#14E0A6;
  --brand-2:#0BB98A;
  --accent:#FF7A3D;
  --cool:#6EA8FF;
  --text-0:#EAF2FF;
  --text-1:#A9B6CC;
  --text-2:#6C7A93;
  --ok:#35D07F;
  --warn:#FFC24D;
  --err:#FF6B6B;
  --r-card:18px;
  --r-seg:22px;
  --r-panel:20px;
  --r-btn:999px;
  --r-input:12px;
  --container:1200px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-0);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 10% -8%,rgba(20,224,166,.10),transparent 60%),
    radial-gradient(760px 460px at 95% 2%,rgba(110,168,255,.07),transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
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,figure{margin:0}
strong{font-family:var(--font-num);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--cool);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部信息条 ---------- */
.topbar{position:relative;z-index:60;background:var(--bg-1);border-bottom:1px solid var(--line)}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-1)}
.topbar-domain{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--text-2);flex:none}
.topbar-note{flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-1)}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:none}
.topbar-link{color:var(--brand);font-size:13px;transition:color .18s ease-out}
.topbar-link:hover{color:var(--cool)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,15,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .22s ease-out,border-color .22s ease-out}
.site-header.is-scrolled{background:rgba(5,8,15,.86);border-bottom-color:rgba(20,224,166,.20)}
.header-inner{height:68px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(145deg,var(--brand),var(--brand-2));display:grid;place-items:center;box-shadow:0 6px 18px -8px rgba(20,224,166,.75)}
.logo-mark svg{width:18px;height:18px;display:block}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text-0)}
.main-nav{display:flex;align-items:center;gap:2px;flex:1;margin-left:6px}
.nav-item{position:relative;padding:10px 12px;font-size:14.5px;color:var(--text-1);border-radius:10px;white-space:nowrap;transition:color .18s ease-out,background .18s ease-out}
.nav-item:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-item.is-active{color:var(--text-0);font-weight:600}
.nav-item.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(20,224,166,.8)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--text-1);transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.35);background:rgba(255,255,255,.06)}
.icon-btn svg{width:18px;height:18px}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);place-items:center;color:var(--text-0)}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:currentColor;margin:3px auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;white-space:nowrap;transition:box-shadow .2s ease-out,transform .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04140F;box-shadow:0 0 0 1px rgba(20,224,166,.35),0 10px 30px -8px rgba(20,224,166,.55)}
.btn-primary:hover{box-shadow:0 0 0 1px rgba(20,224,166,.5),0 14px 34px -8px rgba(20,224,166,.75);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(20,224,166,.4),0 6px 16px -10px rgba(20,224,166,.5)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-0)}
.btn-ghost:hover{border-color:rgba(20,224,166,.4);background:rgba(255,255,255,.04)}
.btn-ghost:active{background:rgba(255,255,255,.02)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-xs{height:24px;padding:0 12px;font-size:12px}
.btn.is-disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;transition:color .18s ease-out}
.link-arrow:hover{text-decoration:underline;color:var(--brand)}
.link-arrow .arrow{display:inline-block;transition:transform .18s ease-out}
.link-arrow:hover .arrow{transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.badge-brand{background:rgba(20,224,166,.12);color:var(--brand)}
.badge-hot{background:rgba(255,122,61,.14);color:var(--accent)}
.badge-ok{background:rgba(53,208,127,.12);color:var(--ok)}
.badge-warn{background:rgba(255,194,77,.12);color:var(--warn)}

/* ---------- 玻璃面板 ---------- */
.glass{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out}
.glass:hover{border-color:rgba(20,224,166,.30);transform:translateY(-4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 40px -20px rgba(20,224,166,.35)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 84px}
.hero-bg{position:absolute;inset:0;pointer-events:none;opacity:.20;background-image:repeating-linear-gradient(115deg,rgba(20,224,166,.30) 0 1px,transparent 1px 46px),radial-gradient(700px 380px at 80% 30%,rgba(110,168,255,.20),transparent 65%);-webkit-mask-image:radial-gradient(120% 92% at 50% 30%,#000 28%,transparent 78%);mask-image:radial-gradient(120% 92% at 50% 30%,#000 28%,transparent 78%)}
.hero-inner{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;min-height:560px}
.hero-copy{max-width:640px}
.hero-copy .badge{margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;color:var(--text-0)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-1);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats li strong{display:block;font-size:24px;font-weight:700;color:var(--text-0)}
.hero-stats li span{display:block;margin-top:4px;font-size:12px;color:var(--text-2)}
.hero-visual{display:flex;justify-content:center}
.phone-card{position:relative;width:100%;max-width:320px;aspect-ratio:9/16;border-radius:var(--r-seg);overflow:hidden;border:1px solid var(--line);background:var(--bg-1);box-shadow:0 30px 60px -30px rgba(20,224,166,.45)}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.9}
.phone-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.10) 20%,rgba(5,8,15,.86))}
.phone-card>*{position:relative;z-index:2}
.phone-card .badge-hot{position:absolute;top:14px;right:14px}
.phone-rail{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px}
.rail-btn{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.10);border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text-0);transition:background .18s ease-out,border-color .18s ease-out}
.rail-btn:hover{background:rgba(20,224,166,.22);border-color:rgba(20,224,166,.45)}
.rail-btn svg{width:15px;height:15px}
.phone-progress{position:absolute;left:14px;right:14px;bottom:14px;height:3px;border-radius:3px;background:rgba(255,255,255,.16);overflow:hidden}
.phone-progress i{display:block;height:100%;width:62%;border-radius:3px;background:var(--brand);box-shadow:0 0 10px rgba(20,224,166,.8)}

/* ---------- 板块通用 ---------- */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{position:relative;padding-left:15px;font-size:26px;font-weight:700;line-height:1.3}
.section-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:18px;border-radius:2px;background:var(--brand)}
.section-desc{margin-top:10px;font-size:15px;color:var(--text-1)}
.block-title{position:relative;padding-left:15px;font-size:26px;font-weight:700;line-height:1.3}
.block-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:18px;border-radius:2px;background:var(--brand)}

/* ---------- 横滑片段 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:18px;overflow-x:auto;padding:4px 2px 16px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.clip-card{position:relative;flex:0 0 260px;width:260px;height:346px;border-radius:var(--r-seg);overflow:hidden;scroll-snap-align:start;border:1px solid var(--line);background:var(--bg-1);transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out}
.clip-card:hover{transform:translateY(-4px);border-color:rgba(20,224,166,.30);box-shadow:0 18px 40px -20px rgba(20,224,166,.35)}
.clip-card img{width:100%;height:100%;object-fit:cover}
.clip-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 34%,rgba(5,8,15,.94))}
.clip-body{position:absolute;left:16px;right:16px;bottom:16px;z-index:2}
.clip-body .badge{margin-bottom:10px}
.clip-title{font-size:16px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-heat{margin-top:8px;font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums}
.rail-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-0);z-index:5;transition:background .18s ease-out,border-color .18s ease-out}
.rail-nav:hover{background:rgba(20,224,166,.20);border-color:rgba(20,224,166,.45)}
.rail-nav svg{width:16px;height:16px}
.rail-nav.prev{left:-8px}
.rail-nav.next{right:-8px}

/* ---------- 操作清单 ---------- */
.picks{display:grid;grid-template-columns:repeat(2,1fr);column-gap:44px}
.pick-row{position:relative;display:flex;align-items:flex-start;gap:18px;padding:20px 12px 20px 14px;border-bottom:1px solid var(--line);transition:background .18s ease-out}
.pick-row::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--brand);transform:scaleY(0);transition:transform .2s ease-out}
.pick-row:hover{background:rgba(255,255,255,.03)}
.pick-row:hover::before{transform:scaleY(1)}
.pick-num{flex:none;width:46px;font-size:40px;font-weight:800;line-height:1;color:rgba(20,224,166,.28);font-variant-numeric:tabular-nums}
.pick-body{flex:1;min-width:0}
.pick-body h3{font-size:17px;font-weight:600;line-height:1.4}
.pick-body p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-1)}
.pick-tail{flex:none;display:flex;align-items:center;gap:10px;align-self:center;color:var(--text-2)}
.pick-tail svg{width:16px;height:16px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;align-items:start}
.news-hero{overflow:hidden}
.news-hero:hover{transform:translateY(-4px)}
.news-hero-link{display:block}
.news-hero-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1)}
.news-hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.news-hero:hover .news-hero-media img{transform:scale(1.04)}
.news-hero-body{display:block;padding:20px}
.news-hero-title{margin:12px 0 8px;font-size:19px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-hero-sum{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;line-height:1.75;color:var(--text-1)}
.news-meta{display:block;margin-top:14px;font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.news-rows{border-top:1px solid var(--line)}
.news-rows li{border-bottom:1px solid var(--line)}
.news-rows a{display:block;padding:14px 12px;border-left:2px solid transparent;transition:background .18s ease-out,border-color .18s ease-out}
.news-rows a:hover{background:rgba(255,255,255,.03);border-left-color:var(--brand)}
.news-row-title{display:block;font-size:15px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-row-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}
.news-row-meta i{font-style:normal;color:var(--brand)}
.empty{display:flex;flex-direction:column;align-items:center;gap:14px;padding:52px 24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);text-align:center}
.empty-icon{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--line);color:var(--text-2)}
.empty-icon svg{width:26px;height:26px}
.empty p{font-size:15px;color:var(--text-1)}

/* ---------- 口碑 ---------- */
.quote-rail{display:flex;gap:18px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x proximity;scrollbar-width:none}
.quote-rail::-webkit-scrollbar{display:none}
.quote-card{flex:0 0 300px;padding:20px;border-radius:var(--r-card);scroll-snap-align:start;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:border-color .22s ease-out}
.quote-card:hover{border-color:rgba(20,224,166,.28)}
.quote-top{display:flex;align-items:center;gap:12px}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,rgba(20,224,166,.32),rgba(110,168,255,.24));font-size:14px;font-weight:700;color:var(--text-0)}
.quote-name{font-size:14px;font-weight:600}
.quote-text{margin:14px 0 16px;font-size:14px;line-height:1.75;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 数据条 ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-panel);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));overflow:hidden}
.stats-band li{padding:28px 20px;text-align:center;border-right:1px solid var(--line)}
.stats-band li:last-child{border-right:0}
.stats-band strong{display:block;font-size:28px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.stats-band span{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);border:1px solid var(--line);border-radius:16px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:border-color .22s ease-out}
.faq-item[open]{border-color:rgba(20,224,166,.25)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:16px 20px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:2px;right:2px;top:50%;height:2px;border-radius:2px;background:var(--brand);transform:translateY(-50%);transition:transform .22s ease-out}
.faq-icon::after{transform:translateY(-50%) rotate(90deg)}
.faq-item[open] .faq-icon::after{transform:translateY(-50%) rotate(0deg)}
.faq-item .faq-answer{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--text-1)}

/* ---------- CTA ---------- */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:40px 44px;border-radius:var(--r-panel);background:linear-gradient(120deg,rgba(20,224,166,.14),rgba(110,168,255,.08));border:1px solid rgba(20,224,166,.25);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-1)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;border-top:1px solid var(--line);background:var(--bg-1)}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 3fr 3fr;gap:40px;padding:64px 0 48px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-1);max-width:280px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--text-1);transition:color .18s ease-out,border-color .18s ease-out}
.footer-social a:hover{color:var(--brand);border-color:rgba(20,224,166,.35)}
.footer-social svg{width:16px;height:16px}
.footer-col h3{font-size:15px;font-weight:600;color:var(--text-0);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text-1);transition:color .16s ease-out}
.footer-links a:hover{color:var(--brand)}
.footer-form{display:flex;gap:10px;margin-top:16px}
.footer-form input{flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-input);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-0);font-size:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.footer-form input::placeholder{color:var(--text-2)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12)}
.footer-note{margin-top:14px;font-size:13px;color:var(--text-2);line-height:1.7}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-2)}
.footer-bottom a{color:var(--text-2);transition:color .16s ease-out}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 浮层与抽屉 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:rgba(10,16,32,.9);border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-0);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s,border-color .2s ease-out,box-shadow .2s ease-out;z-index:40}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:rgba(20,224,166,.5);color:var(--brand);box-shadow:0 0 22px -6px rgba(20,224,166,.6)}
.to-top svg{width:18px;height:18px}
.drawer{position:fixed;inset:0;z-index:70;pointer-events:none}
.drawer::before{content:"";position:absolute;inset:0;background:rgba(5,8,15,.62);opacity:0;transition:opacity .24s ease-out}
.drawer.is-open{pointer-events:auto}
.drawer.is-open::before{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--bg-1);border-left:1px solid var(--line);padding:20px;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .28s var(--ease)}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 12px;border-radius:12px;font-size:16px;color:var(--text-1);border-bottom:1px solid var(--line);transition:color .18s ease-out,background .18s ease-out}
.drawer-nav a:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.search-layer{position:fixed;inset:0;z-index:80;display:none;align-items:flex-start;justify-content:center;padding:120px 20px;background:rgba(5,8,15,.78);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.search-layer.is-open{display:flex}
.search-box{width:100%;max-width:560px;display:flex;gap:10px;padding:14px;border-radius:var(--r-panel);background:var(--bg-1);border:1px solid var(--line)}
.search-box input{flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-input);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-0);font-size:15px}
.search-box input::placeholder{color:var(--text-2)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12)}

/* ---------- 移动端吸底 CTA ---------- */
.mobile-cta{display:none}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-inner{gap:36px}
  .hero-stats{gap:32px}
  .picks{column-gap:32px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .hamburger{display:grid}
  .header-actions .btn{display:none}
  .hero{padding:48px 0 64px}
  .hero-inner{grid-template-columns:1fr;min-height:0;gap:40px}
  .hero-visual{order:2}
  .phone-card{max-width:280px}
  .section{padding:64px 0}
  .news-grid{grid-template-columns:1fr}
  .picks{grid-template-columns:1fr}
  .rail-nav{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar-inner{height:32px}
  .topbar-note{display:none}
  .topbar-link{display:none}
  .header-inner{height:58px;gap:12px}
  .header-actions .icon-btn{width:36px;height:36px}
  .hero{padding:40px 0 52px}
  .hero-sub{font-size:16px}
  .hero-cta{gap:12px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:24px;margin-top:28px}
  .hero-stats li strong{font-size:20px}
  .phone-card{max-width:260px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2,.block-title{font-size:22px}
  .pick-num{width:38px;font-size:32px}
  .clip-card{flex:0 0 226px;width:226px;height:302px}
  .quote-card{flex:0 0 268px}
  .stats-band{grid-template-columns:1fr 1fr}
  .stats-band li{border-right:0;border-bottom:1px solid var(--line);padding:22px 14px}
  .stats-band li:nth-child(odd){border-right:1px solid var(--line)}
  .stats-band li:nth-last-child(-n+2){border-bottom:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .glass,.faq-item,.site-header,.drawer-panel,.search-layer{-webkit-backdrop-filter:none;backdrop-filter:none}
  .glass{background:var(--bg-1)}
  .site-header{background:rgba(5,8,15,.96)}
  .glass:hover{transform:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;height:60px;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:rgba(5,8,15,.94);border-top:1px solid var(--line);z-index:45;transform:translateY(0);transition:transform .26s ease-out}
  .mobile-cta.is-hidden{transform:translateY(110%)}
  .mobile-cta span{font-size:13px;color:var(--text-1)}
  .mobile-cta .btn{height:40px;padding:0 18px;font-size:14px}
  .to-top{right:16px;bottom:76px}
}
@media (max-width:479px){
  .hero h1{font-size:28px}
  .badge{height:22px;padding:0 9px}
  .clip-card{flex:0 0 84vw;width:84vw;height:auto;aspect-ratio:3/4}
  .quote-card{flex:0 0 84vw}
  .cta-band h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F; --bg-1:#0A1020;
  --surface:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --brand:#14E0A6; --brand-2:#0BB98A; --accent:#FF7A3D; --cool:#6EA8FF;
  --text-0:#EAF2FF; --text-1:#A9B6CC; --text-2:#6C7A93;
  --ok:#35D07F; --warn:#FFC24D; --err:#FF6B6B;
  --r-card:18px; --r-panel:20px; --r-clip:22px; --r-input:12px; --r-pill:999px; --r-icon:10px;
  --glass:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow","Inter",system-ui,sans-serif;
  --shadow-brand:0 0 0 1px rgba(20,224,166,.35),0 10px 30px -8px rgba(20,224,166,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--text-0);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  font-feature-settings:"tnum";
  background-image:
    radial-gradient(900px 480px at 82% -8%,rgba(20,224,166,.10),transparent 62%),
    radial-gradient(760px 420px at 8% 4%,rgba(110,168,255,.07),transparent 65%),
    linear-gradient(180deg,#05080F 0%,#070C17 40%,#05080F 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-radius:16px}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cool);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* 顶部信息条 */
.topbar{height:36px;background:var(--bg-1);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2)}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-domain{font-family:var(--font-num);letter-spacing:.02em;color:var(--text-1)}
.topbar-note{color:var(--text-2)}
.topbar-actions{display:flex;align-items:center;gap:14px}
.topbar-actions .textlink{color:var(--text-1)}
.topbar-actions .textlink:hover{color:var(--brand)}
.mini-btn{display:inline-flex;align-items:center;height:22px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:12px;color:var(--text-0);transition:border-color .18s var(--ease),background .18s var(--ease)}
.mini-btn:hover{border-color:rgba(20,224,166,.45);background:rgba(255,255,255,.04)}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,8,15,.66);backdrop-filter:blur(10px) saturate(120%);border-bottom:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-scrolled{background:rgba(5,8,15,.86);border-bottom-color:rgba(20,224,166,.20)}
.nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(140deg,var(--brand),var(--brand-2));display:grid;place-items:center;box-shadow:0 6px 18px -8px rgba(20,224,166,.7)}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-item{position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-1);border-radius:10px;transition:color .18s var(--ease),background .18s var(--ease)}
.nav-item:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-item.is-active{color:var(--text-0);font-weight:600}
.nav-item.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--glass);border:1px solid var(--line);color:var(--text-1);transition:color .18s var(--ease),border-color .18s var(--ease),box-shadow .2s var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.35);box-shadow:0 0 0 1px rgba(20,224,166,.18)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--glass);place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-0);border-radius:2px;margin:3px auto}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;transition:transform .18s var(--ease),box-shadow .2s var(--ease),background .18s var(--ease),border-color .18s var(--ease);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04140F;box-shadow:var(--shadow-brand)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(20,224,166,.4),0 14px 36px -8px rgba(20,224,166,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(20,224,166,.35),0 6px 18px -8px rgba(20,224,166,.5)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-0)}
.btn-ghost:hover{border-color:rgba(20,224,166,.4);background:rgba(255,255,255,.04)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;box-shadow:none;cursor:not-allowed}
.textlink{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600}
.textlink svg{width:16px;height:16px;transition:transform .18s var(--ease)}
.textlink:hover{text-decoration:underline}
.textlink:hover svg{transform:translateX(2px)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:23px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1}
.badge-brand{background:rgba(20,224,166,.12);color:var(--brand)}
.badge-hot{background:rgba(255,122,61,.14);color:var(--accent)}
.badge-ok{background:rgba(53,208,127,.12);color:var(--ok)}
.badge-soft{background:rgba(255,255,255,.06);color:var(--text-1)}

/* 玻璃面板 */
.glass{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(14px) saturate(120%)}

/* 面包屑 */
.crumb-band{padding:16px 0 20px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);overflow:hidden;white-space:nowrap}
.breadcrumb a{color:var(--text-1)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--text-2);opacity:.7}
.breadcrumb .cur{color:var(--text-1);overflow:hidden;text-overflow:ellipsis}

/* Hero */
.cat-hero{padding:8px 0 72px}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:44px;align-items:center}
.hero-copy h1{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.hero-copy .lede{margin-top:16px;font-size:16.5px;color:var(--text-1);max-width:34em}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{margin-top:34px;display:flex;gap:34px;flex-wrap:wrap}
.stat-num{font-family:var(--font-num);font-size:24px;font-weight:700;letter-spacing:.01em}
.stat-num em{font-style:normal;color:var(--brand);font-size:14px;margin-left:2px}
.stat-label{font-size:12px;color:var(--text-2);margin-top:2px}
.hero-media{position:relative;border-radius:var(--r-clip);overflow:hidden;border:1px solid var(--line);background:var(--bg-1)}
.hero-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.05),rgba(5,8,15,.72))}
.hero-media .media-tag{position:absolute;top:16px;right:16px;z-index:2}
.hero-media .media-bar{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-radius:14px;background:rgba(10,16,32,.72);border:1px solid var(--line);font-size:13px;color:var(--text-1)}
.hero-media .media-bar strong{color:var(--text-0);font-family:var(--font-num);font-weight:700}

/* 区块通用 */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:26px;font-weight:700;line-height:1.3;position:relative;padding-left:15px}
.section-head h2::before{content:"";position:absolute;left:0;top:5px;width:3px;height:18px;border-radius:2px;background:var(--brand)}
.section-head .sub{margin-top:10px;font-size:14.5px;color:var(--text-1);max-width:52em}
.lead-text{max-width:880px;font-size:16px;line-height:1.9;color:var(--text-1)}
.lead-text strong{color:var(--text-0);font-weight:600}

/* 图文交替 */
.feature-rows{padding-top:8px}
.feature{display:grid;grid-template-columns:5fr 5fr;gap:48px;align-items:center}
.feature + .feature{margin-top:64px}
.feature.is-reverse .feature-media{order:2}
.feature-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--bg-1)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.feature-media .chip{position:absolute;left:14px;top:14px}
.feature-body h3{font-size:22px;font-weight:700;line-height:1.35}
.feature-body p{margin-top:14px;font-size:15.8px;color:var(--text-1);line-height:1.85}
.feature-body .textlink{margin-top:18px}

/* 检查清单 */
.check-list{border-top:1px solid var(--line)}
.check-item{display:flex;align-items:center;gap:18px;min-height:64px;padding:14px 16px;border-bottom:1px solid var(--line);position:relative;transition:background .18s var(--ease)}
.check-item:hover{background:rgba(255,255,255,.03)}
.check-item:hover::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;border-radius:2px;background:var(--brand)}
.check-idx{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--text-2);width:28px;flex:0 0 28px}
.check-main{flex:1;min-width:0}
.check-main h3{font-size:16.5px;font-weight:600}
.check-main p{margin-top:4px;font-size:14px;color:var(--text-2)}
.check-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:10px;overflow:hidden;transition:border-color .18s var(--ease)}
.faq-item[open]{border-color:rgba(20,224,166,.25)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:16px 20px;font-size:16px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;transition:transform .2s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-answer{padding:0 20px 16px;font-size:15px;line-height:1.8;color:var(--text-1)}

/* CTA */
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:32px 36px;border-radius:var(--r-panel)}
.cta-panel h2{font-size:24px;font-weight:700}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--text-1);max-width:46em}

/* 回到顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--glass);border:1px solid var(--line);color:var(--text-1);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),visibility .22s;z-index:70}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--brand);border-color:rgba(20,224,166,.35);box-shadow:0 18px 40px -20px rgba(20,224,166,.35)}

/* 页脚 */
.site-footer{margin-top:24px;border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 3fr 3fr;gap:40px}
.footer-desc{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);color:var(--text-1);transition:color .18s var(--ease),border-color .18s var(--ease)}
.footer-social a:hover{color:var(--brand);border-color:rgba(20,224,166,.4)}
.footer-social svg{width:16px;height:16px}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .16s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-note{font-size:14px;color:var(--text-2);line-height:1.75}
.footer-form{margin-top:14px;display:flex;gap:10px}
.footer-form input{flex:1;min-width:0;height:46px;padding:0 14px;border-radius:var(--r-input);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-0);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.footer-form input::placeholder{color:var(--text-2)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12)}
.form-tip{margin-top:10px;font-size:13px;color:var(--text-2);min-height:18px}
.form-tip.is-ok{color:var(--ok)}
.form-tip.is-err{color:var(--err)}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--brand)}

/* 移动抽屉 */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;background:rgba(10,16,32,.98);border-left:1px solid var(--line);padding:22px 18px;transform:translateX(102%);transition:transform .26s var(--ease);display:flex;flex-direction:column;gap:6px}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.nav-drawer a.drawer-item{display:flex;align-items:center;height:52px;padding:0 14px;border-radius:12px;font-size:15.5px;color:var(--text-1);border:1px solid transparent}
.nav-drawer a.drawer-item:hover{background:rgba(255,255,255,.04);color:var(--text-0)}
.nav-drawer a.drawer-item.is-active{color:var(--text-0);background:rgba(20,224,166,.08);border-color:rgba(20,224,166,.25)}
.nav-drawer .drawer-cta{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-1)}
.drawer-mask{position:fixed;inset:0;background:rgba(3,5,10,.6);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:85}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:32px}
  .feature{gap:36px}
  .footer-grid{gap:30px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .nav-right .btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-hero{padding:8px 0 56px}
  .section{padding:64px 0}
  .feature{grid-template-columns:1fr;gap:22px}
  .feature.is-reverse .feature-media{order:0}
  .feature + .feature{margin-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar,.topbar-inner{height:32px}
  .topbar-note,.topbar-actions .textlink{display:none}
  .nav-wrap{height:58px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .glass,.faq-item,.cta-panel,.hero-media{backdrop-filter:none}
  .hero-media{background:var(--bg-1)}
  .btn{height:44px;padding:0 20px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stats{gap:22px}
  .check-item{align-items:flex-start;flex-wrap:wrap;padding:14px 12px}
  .check-tags{justify-content:flex-start}
  .cta-panel{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:479px){
  .hero-copy .lede{font-size:15.5px}
  .stat-num{font-size:21px}
  .feature-body h3{font-size:19px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:duration .01ms!important;transition:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --brand:#14E0A6;
  --brand-2:#0BB98A;
  --accent:#FF7A3D;
  --cool:#6EA8FF;
  --text-0:#EAF2FF;
  --text-1:#A9B6CC;
  --text-2:#6C7A93;
  --ok:#35D07F;
  --warn:#FFC24D;
  --err:#FF6B6B;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:999px;
  --r-input:12px;
  --r-icon:10px;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  background:var(--bg-0);
  color:var(--text-0);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(115deg, rgba(20,224,166,.05) 0 1px, transparent 1px 68px),
    radial-gradient(900px 520px at 82% -10%, rgba(110,168,255,.09), transparent 62%),
    radial-gradient(720px 460px at 6% 8%, rgba(20,224,166,.07), transparent 60%);
}
body > *{position:relative;z-index:1;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--cool);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.topbar-inner{
  height:36px;
  display:flex;
  align-items:center;
  gap:16px;
}
.topbar-domain{
  font-family:"Barlow","Inter",system-ui,sans-serif;
  letter-spacing:.04em;
  color:var(--text-1);
  font-weight:600;
}
.topbar-tip{
  flex:1;
  text-align:center;
  color:var(--text-1);
}
.topbar-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.topbar-link{color:var(--text-1);}
.topbar-link:hover{color:var(--brand);}
.topbar-btn{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--text-0);
  font-size:12px;
}
.topbar-btn:hover{border-color:rgba(20,224,166,.45);color:var(--brand);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(10px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background-color .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.86);
  border-bottom:1px solid rgba(20,224,166,.20);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:28px;height:28px;
  border-radius:var(--r-icon);
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(20,224,166,.35),0 8px 20px -10px rgba(20,224,166,.7);
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.nav-item{
  position:relative;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--text-1);
  border-radius:10px;
}
.nav-item::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-item:hover{color:var(--text-0);background:rgba(255,255,255,.04);}
.nav-item:hover::after,.nav-item.is-active::after{transform:scaleX(1);}
.nav-item.is-active{color:var(--text-0);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:40px;height:40px;
  border-radius:999px;
  display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--line);
  color:var(--text-1);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{border-color:rgba(20,224,166,.35);color:var(--brand);transform:translateY(-1px);}
.menu-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04140F;
  box-shadow:0 0 0 1px rgba(20,224,166,.35),0 10px 30px -8px rgba(20,224,166,.55);
}
.btn-primary:hover{
  box-shadow:0 0 0 1px rgba(20,224,166,.5),0 12px 34px -6px rgba(20,224,166,.75);
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(20,224,166,.35),0 6px 16px -8px rgba(20,224,166,.5);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-0);
}
.btn-ghost:hover{border-color:rgba(20,224,166,.4);background:rgba(255,255,255,.04);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.link-arrow span{transition:transform .18s var(--ease);display:inline-block;}
.link-arrow:hover{text-decoration:underline;}
.link-arrow:hover span{transform:translateX(2px);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(5,8,15,.7);
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(84vw,340px);
  height:100%;
  background:var(--bg-1);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  z-index:90;
  display:flex;
  flex-direction:column;
  padding:20px;
  gap:10px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  height:52px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--text-1);
}
.drawer-nav a.is-active{color:var(--brand);}
.drawer-nav a:hover{color:var(--brand);}
.drawer-foot{margin-top:auto;padding-top:16px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:16px 0 20px;}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--text-2);
  min-width:0;
}
.breadcrumb-inner a{color:var(--text-1);}
.breadcrumb-inner a:hover{color:var(--brand);}
.breadcrumb-inner .sep{color:var(--text-2);opacity:.6;}
.breadcrumb-inner .crumb-cat{color:var(--text-1);white-space:nowrap;}
.breadcrumb-inner .crumb-current{
  color:var(--text-2);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  min-width:0;
}

/* ---------- 栏目标题区 ---------- */
.article-head{
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-btn);
  font-size:12px;
  font-weight:600;
  line-height:1;
}
.badge-brand{background:rgba(20,224,166,.12);color:var(--brand);}
.badge-hot{background:rgba(255,122,61,.14);color:var(--accent);}
.badge-ok{background:rgba(53,208,127,.12);color:var(--ok);}
.article-head h1{
  font-size:clamp(26px,3.6vw,38px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.01em;
  margin:14px 0 16px;
}
.meta-row{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-2);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto;}
.share-btn{
  width:32px;height:32px;
  border-radius:999px;
  display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--line);
  color:var(--text-1);
}
.share-btn svg{width:15px;height:15px;}
.share-btn:hover{border-color:rgba(20,224,166,.35);color:var(--brand);transform:translateY(-2px);}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;
  align-items:start;
  padding-top:36px;
  padding-bottom:72px;
}
.article-main{min-width:0;}
.article-body{
  max-width:800px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-1);
}
.article-body > * + *{margin-top:18px;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.3;
  color:var(--text-0);
  padding-left:15px;
  margin:38px 0 16px;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:3px;height:18px;
  border-radius:2px;
  background:var(--brand);
}
.article-body h3{
  position:relative;
  font-size:18px;
  font-weight:600;
  line-height:1.4;
  color:var(--text-0);
  padding-left:16px;
  margin:28px 0 12px;
  scroll-margin-top:96px;
}
.article-body h3::before{
  content:"";
  position:absolute;
  left:2px;top:.55em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--brand-2);
}
.article-body strong{color:var(--text-0);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:4px;list-style:none;}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin-bottom:9px;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
}
.article-body ol{counter-reset:art;}
.article-body ol li{counter-increment:art;padding-left:26px;}
.article-body ol li::before{
  content:counter(art);
  position:absolute;
  left:0;top:0;
  color:var(--brand);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;
  padding:20px 22px;
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-card) var(--r-card) 0;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(20,224,166,.45);}
.article-body a:hover{color:var(--cool);border-bottom-color:rgba(110,168,255,.5);}
.article-body img{
  width:100%;
  height:auto;
  border-radius:16px;
  border:1px solid var(--line);
  margin:24px 0 8px;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--text-2);
  text-align:center;
  margin-top:8px;
}
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  margin:24px 0;
  scrollbar-width:thin;
  scrollbar-color:rgba(20,224,166,.45) transparent;
}
.table-wrap::-webkit-scrollbar{height:8px;}
.table-wrap::-webkit-scrollbar-thumb{background:rgba(20,224,166,.4);border-radius:8px;}
.article-body table{border-collapse:collapse;width:100%;min-width:520px;font-size:14.5px;}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{font-size:13px;color:var(--text-1);font-weight:600;background:rgba(255,255,255,.03);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 24px;
  text-align:center;
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
}
.empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:999px;
  display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--line);
  color:var(--brand);
}
.empty-icon svg{width:26px;height:26px;}
.empty-state p{color:var(--text-1);margin-bottom:20px;}

/* ---------- 文末 ---------- */
.article-tags{
  max-width:800px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  font-size:13px;
  color:var(--text-1);
}
.tag:hover{border-color:rgba(20,224,166,.4);color:var(--brand);}
.continue-cards{
  max-width:800px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:28px;
}
.continue-card{
  display:block;
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.continue-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,166,.30);
  box-shadow:0 18px 40px -20px rgba(20,224,166,.35);
}
.continue-card .cc-label{font-size:12px;color:var(--text-2);letter-spacing:.04em;}
.continue-card .cc-title{font-size:16px;font-weight:600;color:var(--text-0);margin-top:6px;}
.continue-card .cc-desc{font-size:13.5px;color:var(--text-2);margin-top:6px;}

/* ---------- 侧栏 ---------- */
.article-side{
  position:sticky;
  top:88px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.side-card{
  padding:18px 20px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.side-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  color:var(--text-0);
  margin-bottom:12px;
}
.side-title::before{
  content:"";
  width:3px;height:16px;
  border-radius:2px;
  background:var(--brand);
}
.toc-list{display:flex;flex-direction:column;}
.toc-list a{
  position:relative;
  padding:8px 0 8px 14px;
  font-size:13.5px;
  color:var(--text-2);
  border-left:2px solid transparent;
  line-height:1.5;
}
.toc-list a.is-level-3{padding-left:26px;font-size:13px;}
.toc-list a:hover{color:var(--text-0);}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(20,224,166,.06);}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--text-1);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand);background:rgba(255,255,255,.03);}
.side-links .sl-meta{font-size:12px;color:var(--text-2);}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0;}
.section-head{margin-bottom:28px;}
.section-title{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.3;
  color:var(--text-0);
  padding-left:15px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.3em;
  width:3px;height:18px;
  border-radius:2px;
  background:var(--brand);
}
.section-sub{margin-top:10px;font-size:15px;color:var(--text-2);}

/* ---------- 相关栏目卡组 ---------- */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.rec-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,166,.30);
  box-shadow:0 18px 40px -20px rgba(20,224,166,.35);
}
.rec-thumb{aspect-ratio:16/10;background:var(--bg-1);border-bottom:1px solid var(--line);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;}
.rec-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.4;color:var(--text-0);}
.rec-body p{font-size:14px;color:var(--text-2);line-height:1.7;flex:1;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:10px;}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .18s var(--ease);
}
.faq-item[open]{border-color:rgba(20,224,166,.25);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text-0);
  min-height:48px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:none;
  width:20px;
  text-align:center;
  font-size:20px;
  line-height:1;
  color:var(--brand);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(180deg);content:"−";}
.faq-answer{
  padding:0 20px 18px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-1);
}

/* ---------- CTA ---------- */
.cta-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 36px;
  border-radius:var(--r-panel);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel h2{font-size:24px;font-weight:700;color:var(--text-0);}
.cta-panel p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding-top:64px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 2fr 3fr 3fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:14px;max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  color:var(--text-1);
}
.footer-social a svg{width:17px;height:17px;}
.footer-social a:hover{color:var(--brand);border-color:rgba(20,224,166,.35);}
.footer-col h3{font-size:15px;font-weight:700;color:var(--text-0);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-note{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:14px;}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  color:var(--text-0);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-form input::placeholder{color:var(--text-2);}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12);}
.footer-bottom{border-top:1px solid var(--line);}
.footer-bottom-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:var(--text-2);
}
.footer-bottom-inner a{color:var(--text-2);}
.footer-bottom-inner a:hover{color:var(--brand);}

/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;height:48px;
  border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  backdrop-filter:blur(14px) saturate(120%);
  color:var(--text-1);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
  z-index:70;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{
  color:var(--brand);
  box-shadow:0 0 0 1px rgba(20,224,166,.35),0 14px 34px -14px rgba(20,224,166,.7);
}
.back-top svg{width:20px;height:20px;}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .header-inner{gap:16px;}
  .nav-item{padding:10px 9px;font-size:14px;}
  .article-layout{gap:32px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .menu-toggle{
    display:grid;
    place-items:center;
    width:40px;height:40px;
    border-radius:999px;
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
    color:var(--text-1);
  }
  .article-layout{grid-template-columns:1fr;gap:28px;padding-bottom:56px;}
  .article-side{position:static;top:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .topbar-inner{height:32px;}
  .topbar-tip{display:none;}
  .topbar-actions .topbar-link{display:none;}
  .header-inner{height:58px;gap:12px;}
  .header-actions .btn-sm{display:none;}
  .logo-text{font-size:16.5px;}
  .article-body,.article-tags,.continue-cards,.empty-state{max-width:100%;}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:17px;}
  .share-group{margin-left:0;width:100%;}
  .continue-cards{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-title{font-size:22px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:24px 20px;}
  .cta-panel .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:36px;}
  .footer-form{flex-direction:column;}
  .footer-bottom-inner{height:auto;flex-direction:column;align-items:flex-start;gap:8px;padding:18px 0;}
  .side-card,.faq-item,.rec-card{backdrop-filter:none;background:var(--bg-1);}
  .back-top{right:16px;bottom:16px;width:44px;height:44px;}
}
@media (max-width:479px){
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .article-head h1{font-size:24px;}
  .meta-row{gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;--bg-1:#0A1020;--surface:rgba(255,255,255,.05);--line:rgba(255,255,255,.10);
  --brand:#14E0A6;--brand-2:#0BB98A;--accent:#FF7A3D;--cool:#6EA8FF;
  --text-0:#EAF2FF;--text-1:#A9B6CC;--text-2:#6C7A93;
  --ok:#35D07F;--warn:#FFC24D;--err:#FF6B6B;
  --r-card:18px;--r-panel:20px;--r-pill:999px;--r-input:12px;--r-icon:10px;
  --w:1200px;--ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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-0);font-size:16px;line-height:1.8;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -12%,rgba(20,224,166,.10),transparent 62%),
    radial-gradient(720px 440px at 94% -6%,rgba(110,168,255,.07),transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cool);outline-offset:2px;border-radius:6px}
.container{width:min(100% - 48px,var(--w));margin-inline:auto}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--bg-1);border-bottom:1px solid var(--line);position:relative;z-index:60}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--text-2)}
.topbar-domain{color:var(--text-1);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.topbar-note{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-link{color:var(--text-1)}
.topbar-link:hover{color:var(--brand)}
.topbar-btn{display:inline-flex;align-items:center;height:22px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:12px;color:var(--text-1)}
.topbar-btn:hover{border-color:rgba(20,224,166,.4);color:var(--brand)}

/* ---------- Logo ---------- */
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 22px -12px rgba(20,224,166,.9);
}
.logo-mark svg{width:20px;height:20px;display:block}
.logo-text{font-size:19px;color:var(--text-0)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,15,.72);backdrop-filter:blur(10px) saturate(120%);border-bottom:1px solid var(--line);transition:background .2s ease-out,border-color .2s ease-out}
.site-header.is-scrolled{background:rgba(5,8,15,.86);border-bottom-color:rgba(20,224,166,.20)}
.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-item{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-icon);font-size:14.5px;color:var(--text-1);white-space:nowrap}
.nav-item:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-item.is-active{color:var(--text-0);font-weight:600}
.nav-item.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));color:var(--text-1)}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.30)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-icon);border:1px solid var(--line);place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-0);border-radius:2px;margin:2.5px 0;transition:transform .2s ease-out,opacity .2s ease-out}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;transition:transform .16s ease-out,box-shadow .16s ease-out,background .16s ease-out,border-color .16s ease-out,color .16s ease-out}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04140F;box-shadow:0 0 0 1px rgba(20,224,166,.35),0 10px 30px -8px rgba(20,224,166,.55)}
.btn-primary:hover{box-shadow:0 0 0 1px rgba(20,224,166,.45),0 14px 34px -8px rgba(20,224,166,.75);transform:translateY(-1px)}
.btn-primary:active{box-shadow:0 0 0 1px rgba(20,224,166,.35),0 6px 16px -10px rgba(20,224,166,.5);transform:translateY(0)}
.btn-primary[disabled]{opacity:.55;box-shadow:none;cursor:not-allowed}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-0)}
.btn-ghost:hover{border-color:rgba(20,224,166,.40);background:rgba(255,255,255,.04)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.btn-text svg{width:14px;height:14px;transition:transform .16s ease-out}
.btn-text:hover{text-decoration:underline}
.btn-text:hover svg{transform:translateX(2px)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.badge-brand{background:rgba(20,224,166,.12);color:var(--brand)}
.badge-hot{background:rgba(255,122,61,.14);color:var(--accent)}
.badge-ok{background:rgba(53,208,127,.12);color:var(--ok)}
.badge-warn{background:rgba(255,194,77,.12);color:var(--warn)}
.badge-err{background:rgba(255,107,107,.12);color:var(--err)}

/* ---------- 面包屑 ---------- */
.crumb{padding:16px 0 20px}
.crumb ol{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px;max-width:100%}
.crumb li:not(:last-child)::after{content:"/";color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb li[aria-current]{color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 分类页头图 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding-bottom:72px}
.page-hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.30}
.page-hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.92) 70%,var(--bg-0) 100%),
  repeating-linear-gradient(115deg,rgba(20,224,166,.05) 0 2px,transparent 2px 26px)}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.3fr .85fr;gap:44px;align-items:center;padding-top:8px}
.hero-copy h1{font-size:clamp(26px,3.6vw,38px);line-height:1.25;font-weight:800;margin:16px 0 18px}
.hero-lead{font-size:16px;line-height:1.85;color:var(--text-1);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-facts{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}
.hero-facts li{min-width:104px}
.hero-facts .n{font-size:24px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-facts .t{font-size:12px;color:var(--text-2)}

.glass{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));backdrop-filter:blur(14px) saturate(120%);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);border-radius:var(--r-panel);transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out}
.hero-panel{padding:18px}
.hero-panel img{border-radius:14px;aspect-ratio:8/5;object-fit:cover;width:100%;height:auto;background:var(--bg-1);border:1px solid var(--line)}
.status-list{margin-top:16px;display:flex;flex-direction:column}
.status-row{display:flex;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-1)}
.status-row:last-child{border-bottom:0}
.status-dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.14)}
.status-dot.warn{background:var(--warn);box-shadow:0 0 0 4px rgba(255,194,77,.14)}
.status-dot.err{background:var(--err);box-shadow:0 0 0 4px rgba(255,107,107,.14)}
.status-row .badge{margin-left:auto}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,rgba(10,16,32,.65),rgba(5,8,15,.2))}
.section-head{max-width:760px;margin-bottom:36px}
.section-title{display:flex;align-items:center;gap:12px;font-size:26px;line-height:1.3;font-weight:700}
.section-title::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--brand);flex:none}
.section-sub{margin-top:12px;color:var(--text-1);font-size:15.5px}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.info-card{display:flex;flex-direction:column;padding:20px;border-radius:var(--r-card);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.info-card:hover{transform:translateY(-4px);border-color:rgba(20,224,166,.30);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 40px -20px rgba(20,224,166,.35)}
.card-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(20,224,166,.10);border:1px solid rgba(20,224,166,.22);color:var(--brand);margin-bottom:16px}
.card-icon svg{width:22px;height:22px}
.info-card h3{font-size:18px;line-height:1.4;font-weight:600;margin-bottom:10px}
.info-card p{font-size:14.5px;line-height:1.8;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.info-card .btn-text{margin-top:16px}

/* ---------- 自查清单列表 ---------- */
.check-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:rgba(255,255,255,.02)}
.check-row{position:relative;display:flex;align-items:center;gap:16px;padding:0 20px;min-height:60px;border-bottom:1px solid var(--line);transition:background .16s ease-out}
.check-row:last-child{border-bottom:0}
.check-row::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity .16s ease-out}
.check-row:hover{background:rgba(255,255,255,.03)}
.check-row:hover::before{opacity:1}
.check-row .idx{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;width:26px;flex:none}
.check-row .txt{font-size:15px;color:var(--text-0);flex:1;min-width:0}
.check-row .txt small{display:block;font-size:13px;color:var(--text-2);margin-top:2px}

/* ---------- 处理步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{padding:20px;border-radius:var(--r-card);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);transition:transform .18s ease-out,border-color .18s ease-out}
.step:hover{transform:translateY(-4px);border-color:rgba(20,224,166,.28)}
.step .no{font-size:22px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.step h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.step p{font-size:14px;line-height:1.8;color:var(--text-1)}

/* ---------- 提示条 ---------- */
.notice{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);padding:22px 24px;margin-bottom:20px;background:linear-gradient(90deg,rgba(5,8,15,.94),rgba(5,8,15,.72)),url("/assets/images/coverpic/cover-7.webp") right center/cover no-repeat}
.notice h3{font-size:17px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.notice p{font-size:14.5px;color:var(--text-1);max-width:720px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin-inline:auto}
.faq-item{border-radius:var(--r-card);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));margin-bottom:10px;overflow:hidden;transition:border-color .18s ease-out}
.faq-item[open]{border-color:rgba(20,224,166,.25)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;min-height:48px;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-ico{width:20px;height:20px;flex:none;color:var(--brand);transition:transform .2s ease-out;font-size:18px;line-height:1;text-align:center;font-weight:700}
.faq-item[open] .faq-ico{transform:rotate(180deg)}
.faq-body{padding:0 20px 16px;font-size:15px;line-height:1.8;color:var(--text-1)}

/* ---------- 底部 CTA ---------- */
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:32px;border-radius:var(--r-panel)}
.cta-panel h2{font-size:24px;line-height:1.35;margin-bottom:8px}
.cta-panel p{font-size:14.5px;color:var(--text-1);max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 3fr 3fr;gap:32px}
.footer-desc{margin-top:16px;font-size:14px;color:var(--text-2);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:var(--r-pill);display:grid;place-items:center;border:1px solid var(--line);color:var(--text-1)}
.footer-social a svg{width:16px;height:16px}
.footer-social a:hover{color:var(--brand);border-color:rgba(20,224,166,.35)}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-0)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-note{font-size:13.5px;color:var(--text-2);margin-bottom:14px}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{flex:1;min-width:160px;height:48px;padding:0 14px;border-radius:var(--r-input);border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-0);outline:none;transition:border-color .16s ease-out,box-shadow .16s ease-out}
.footer-form input::placeholder{color:var(--text-2)}
.footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12)}
.form-msg{font-size:13px;color:var(--brand);margin-top:10px;min-height:18px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:var(--r-pill);display:grid;place-items:center;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));backdrop-filter:blur(14px);color:var(--text-1);opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .2s ease-out,transform .2s ease-out,color .16s ease-out,box-shadow .16s ease-out;z-index:70}
.to-top svg{width:18px;height:18px}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{color:var(--brand);box-shadow:0 0 0 1px rgba(20,224,166,.35),0 18px 40px -20px rgba(20,224,166,.55)}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:rgba(10,16,32,.98);border-left:1px solid var(--line);padding:24px;transform:translateX(102%);transition:transform .24s var(--ease);z-index:90;display:flex;flex-direction:column;overflow-y:auto}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-link{display:flex;align-items:center;min-height:52px;padding:0 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text-1)}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:32px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:62px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-panel{max-width:520px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
  .cta-panel{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{width:min(100% - 32px,var(--w))}
  .topbar-note,.topbar-link{display:none}
  .topbar-inner{height:32px}
  .header-inner{height:58px}
  .icon-btn{display:none}
  .header-actions .btn-sm{height:38px;padding:0 14px;font-size:13.5px}
  .page-hero{padding-bottom:48px}
  .hero-facts{gap:20px;margin-top:24px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .btn{height:44px;padding:0 20px;font-size:14.5px}
  .hero-actions .btn{width:100%}
  .glass,.info-card,.step,.nav-drawer{backdrop-filter:none;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02))}
  .nav-drawer{background:var(--bg-1)}
  .cta-panel{padding:24px}
  .to-top{right:16px;bottom:16px}
  .check-row{padding:0 16px;align-items:flex-start;padding-top:14px;padding-bottom:14px}
}
@media (max-width:479px){
  .steps{grid-template-columns:1fr}
  .hero-facts .n{font-size:21px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --brand:#14E0A6;
  --brand-2:#0BB98A;
  --accent:#FF7A3D;
  --cool:#6EA8FF;
  --text-0:#EAF2FF;
  --text-1:#A9B6CC;
  --text-2:#6C7A93;
  --ok:#35D07F;
  --warn:#FFC24D;
  --err:#FF6B6B;
  --r-card:18px;
  --r-panel:20px;
  --r-sm:12px;
  --r-badge:999px;
  --shadow-brand:0 18px 40px -20px rgba(20,224,166,.35);
  --container:1200px;
  --ease:cubic-bezier(.3,.7,.4,1);
}
*,*::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-0);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--cool);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

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

/* ---------- 顶部信息条 ---------- */
.topbar{height:36px;background:var(--bg-1);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:100%;font-size:13px}
.topbar-domain{color:var(--text-1);letter-spacing:.02em}
.topbar-tip{flex:1;text-align:center;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:none}
.topbar-link{color:var(--text-2);transition:color .16s ease-out}
.topbar-link:hover{color:var(--brand)}
.topbar-btn{display:inline-flex;align-items:center;height:22px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-badge);font-size:12px;color:var(--text-1);transition:border-color .16s ease-out,color .16s ease-out}
.topbar-btn:hover{border-color:rgba(20,224,166,.4);color:var(--brand)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,8,15,.72);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .22s ease-out,border-color .22s ease-out}
.site-header.is-scrolled{background:rgba(5,8,15,.86);border-bottom-color:rgba(20,224,166,.20)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;box-shadow:0 8px 22px -10px rgba(20,224,166,.85)}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{position:relative;padding:8px 12px;border-radius:10px;font-size:14.5px;color:var(--text-1);transition:color .16s ease-out,background .16s ease-out}
.nav-item:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-item.is-active{color:var(--text-0)}
.nav-item.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;color:var(--text-1);transition:border-color .16s ease-out,color .16s ease-out,background .16s ease-out}
.icon-btn:hover{color:var(--brand);border-color:rgba(20,224,166,.35);background:rgba(20,224,166,.08)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);place-items:center;color:var(--text-1)}
.nav-toggle svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-badge);font-weight:600;font-size:15px;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out}
.btn-primary{height:48px;padding:0 26px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04140F;box-shadow:0 0 0 1px rgba(20,224,166,.35),0 10px 30px -8px rgba(20,224,166,.55)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(20,224,166,.45),0 12px 34px -8px rgba(20,224,166,.75)}
.btn-primary:active{transform:none;box-shadow:0 0 0 1px rgba(20,224,166,.35),0 6px 16px -8px rgba(20,224,166,.5)}
.btn-ghost{height:48px;padding:0 24px;border:1px solid var(--line);color:var(--text-0);background:transparent}
.btn-ghost:hover{border-color:rgba(20,224,166,.4);background:rgba(255,255,255,.04);transform:translateY(-1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600}
.link-arrow svg{width:14px;height:14px;transition:transform .18s ease-out}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover svg{transform:translateX(2px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:23px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;line-height:1}
.badge-brand{background:rgba(20,224,166,.12);color:var(--brand)}
.badge-hot{background:rgba(255,122,61,.14);color:var(--accent)}
.badge-ok{background:rgba(53,208,127,.12);color:var(--ok)}
.badge-warn{background:rgba(255,194,77,.12);color:var(--warn)}

/* ---------- 玻璃面板 ---------- */
.glass{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));backdrop-filter:blur(14px) saturate(120%);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.glass-hover{transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.glass-hover:hover{border-color:rgba(20,224,166,.30);transform:translateY(-4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-brand)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);padding:16px 0 20px;flex-wrap:wrap}
.crumb a{transition:color .16s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.55}
.crumb .cur{color:var(--text-1);max-width:60vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.3}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.6),rgba(5,8,15,.9) 62%,var(--bg-0))}
.page-hero-inner{position:relative;z-index:2;padding:60px 0 56px;max-width:860px}
.page-hero h1{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.01em;margin:16px 0 16px}
.page-hero .lede{font-size:16px;color:var(--text-1);margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats .stat b{display:block;font-size:24px;font-weight:700;color:var(--text-0);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats .stat span{font-size:12px;color:var(--text-2)}

/* ---------- 板块 ---------- */
.section{padding:80px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:8px}
.sec-title{display:flex;align-items:center;font-size:26px;font-weight:700;line-height:1.3;letter-spacing:-.005em}
.sec-title::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--brand);margin-right:12px;flex:none}
.sec-sub{margin-top:12px;max-width:760px;font-size:15px;color:var(--text-1)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 对照表 ---------- */
.table-wrap{margin-top:32px;border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02))}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec thead th{height:48px;padding:0 20px;text-align:left;font-size:13px;font-weight:500;color:var(--text-1);background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);white-space:nowrap}
.spec tbody td{height:56px;padding:0 20px;color:var(--text-1);border-bottom:1px solid var(--line);vertical-align:middle}
.spec tbody tr:last-child td{border-bottom:0}
.spec tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.spec tbody tr{transition:background .16s ease-out}
.spec tbody tr:hover{background:rgba(20,224,166,.06)}
.spec tbody td:first-child{color:var(--text-0);font-weight:600;white-space:nowrap}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:36px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand),rgba(20,224,166,.10))}
.tl-item{position:relative;margin-bottom:18px}
.tl-dot{position:absolute;left:-28px;top:22px;width:16px;height:16px;border-radius:50%;background:var(--bg-0);border:2px solid var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12)}
.tl-card{padding:18px 20px;border-radius:var(--r-card)}
.tl-step{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--accent);font-variant-numeric:tabular-nums}
.tl-card h3{margin:6px 0 8px;font-size:18px;font-weight:600;line-height:1.4}
.tl-card p{font-size:15px;color:var(--text-1)}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;margin-top:36px}
.split figure{margin:0;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);background:var(--bg-1)}
.split figure img{aspect-ratio:16/10;object-fit:cover;width:100%}
.split figcaption{padding:12px 16px;font-size:13px;color:var(--text-2);border-top:1px solid var(--line)}
.check-list{display:grid;gap:14px;margin-top:8px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-1)}
.check-list li b{display:block;color:var(--text-0);font-weight:600;font-size:15.5px;margin-bottom:2px}
.check-list .tick{flex:none;width:22px;height:22px;border-radius:50%;background:rgba(20,224,166,.12);color:var(--brand);display:grid;place-items:center;margin-top:3px}
.check-list .tick svg{width:13px;height:13px}

/* ---------- 功能卡 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:36px}
.feat-card{padding:20px;border-radius:var(--r-card)}
.feat-icon{width:48px;height:48px;border-radius:14px;background:rgba(20,224,166,.12);color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.feat-icon svg{width:22px;height:22px}
.feat-card h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.feat-card p{font-size:14.5px;color:var(--text-1)}

/* ---------- FAQ ---------- */
.faq-list{max-width:800px;margin:36px auto 0;display:grid;gap:10px}
details.faq{border-radius:var(--r-card);padding:0 20px;transition:border-color .2s ease-out}
details.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
.faq-icon{flex:none;width:20px;height:20px;color:var(--brand);transition:transform .2s ease-out}
details.faq[open]{border-color:rgba(20,224,166,.25)}
details.faq[open] .faq-icon{transform:rotate(180deg)}
.faq-body{padding:0 0 18px;font-size:15px;color:var(--text-1)}

/* ---------- CTA ---------- */
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:32px;border-radius:var(--r-panel);margin-top:0}
.cta-panel h2{font-size:26px;font-weight:700;line-height:1.3;margin-bottom:8px}
.cta-panel p{font-size:15px;color:var(--text-1);max-width:640px;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 3fr 3fr;gap:32px}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:16px;max-width:320px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-1);transition:color .16s ease-out,border-color .16s ease-out,background .16s ease-out}
.footer-social a:hover{color:var(--brand);border-color:rgba(20,224,166,.35);background:rgba(20,224,166,.08)}
.footer-social svg{width:16px;height:16px}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-1);transition:color .16s ease-out}
.footer-links a:hover{color:var(--brand)}
.footer-note{font-size:13.5px;color:var(--text-2);margin-bottom:12px}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{flex:1;min-width:170px;height:48px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text-0)}
.footer-form input::placeholder{color:var(--text-2)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(20,224,166,.12)}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-2)}
.footer-bottom a{color:var(--text-2);transition:color .16s ease-out}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;z-index:70;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:var(--text-1);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s,border-color .2s ease-out,color .2s ease-out}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--brand);border-color:rgba(20,224,166,.35);box-shadow:var(--shadow-brand)}
.to-top svg{width:18px;height:18px}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .2s ease-out,visibility .2s}
.drawer.is-open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(4px)}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(320px,86vw);background:var(--bg-1);border-left:1px solid var(--line);padding:20px;display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .24s ease-out;overflow-y:auto}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-item{height:52px;display:flex;align-items:center;padding:0 14px;border-radius:12px;border:1px solid transparent;color:var(--text-1);font-size:15px;transition:color .16s ease-out,background .16s ease-out,border-color .16s ease-out}
.drawer-item:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.drawer-item.is-active{color:var(--text-0);background:rgba(20,224,166,.10);border-color:rgba(20,224,166,.28)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ---------- 入场 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .header-inner{gap:14px}
  .nav-item{padding:8px 10px;font-size:14px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:58px;justify-content:space-between}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-primary{display:none}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .split{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:28px}
  .glass-hover:hover{transform:none}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .topbar{height:32px}
  .topbar-tip{display:none}
  .topbar-link{display:none}
  .page-hero-inner{padding:44px 0 40px}
  .hero-stats{gap:22px;margin-top:26px}
  .hero-stats .stat b{font-size:20px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .sec-title{font-size:21px}
  .sec-title::before{height:16px}
  .btn-primary,.btn-ghost{height:44px;padding:0 22px}
  .glass,.glass-hover{backdrop-filter:none;background:var(--bg-1)}
  .table-wrap{background:var(--bg-1)}
  .spec,.spec tbody,.spec tr,.spec td{display:block;width:100%}
  .spec thead{display:none}
  .spec tbody tr{padding:14px 16px;border-bottom:1px solid var(--line)}
  .spec tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
  .spec tbody td{height:auto;padding:6px 0;border:0;display:flex;gap:14px;justify-content:space-between;align-items:flex-start}
  .spec tbody td::before{content:attr(data-label);flex:none;font-size:13px;color:var(--text-2)}
  .spec tbody td:first-child{font-size:16.5px;padding:0 0 10px}
  .timeline{padding-left:24px}
  .timeline::before{left:5px}
  .tl-dot{left:-24px;width:14px;height:14px;top:20px}
  .cta-panel h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{margin-top:32px;flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
  .hero-stats .stat{min-width:88px}
}
@media (max-width:479px){
  .page-hero h1{font-size:25px}
  .hero-actions .btn{width:100%}
  .crumb .cur{max-width:52vw}
  .feat-grid{gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --surface:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --brand:#14E0A6;
  --brand-2:#0BB98A;
  --accent:#FF7A3D;
  --cool:#6EA8FF;
  --text-0:#EAF2FF;
  --text-1:#A9B6CC;
  --text-2:#6C7A93;
  --ok:#35D07F;
  --warn:#FFC24D;
  --err:#FF6B6B;

  --r-card:18px;
  --r-glass:20px;
  --r-clip:22px;
  --r-pill:999px;
  --r-input:12px;
  --r-icon:10px;

  --sp:8px;
  --container:1200px;

  --glass-bg:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  --glass-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  --glow:0 18px 40px -20px rgba(20,224,166,.35);

  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow","Inter",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ reset / base ============ */
*,*::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-0);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 82% -6%,rgba(20,224,166,.10),transparent 62%),
    radial-gradient(760px 460px at 6% 12%,rgba(110,168,255,.07),transparent 66%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.018) 0 1px,transparent 1px 96px);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease)}
a:hover{color:var(--brand)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cool);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-1);
  height:36px;
  position:relative;
  z-index:60;
}
.topbar .container{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-domain{
  font-family:var(--font-num);
  letter-spacing:.04em;
  color:var(--text-1);
  white-space:nowrap;
}
.topbar-tip{
  color:var(--text-2);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-actions{
  display:flex;
  align-items:center;
  gap:12px;
  white-space:nowrap;
}
.topbar-link{color:var(--brand);font-weight:500}
.topbar-link:hover{color:var(--cool)}
.topbar-btn{
  height:22px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border:1px solid rgba(20,224,166,.40);
  border-radius:var(--r-pill);
  color:var(--brand);
  font-size:12px;
  line-height:1;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.topbar-btn:hover{background:rgba(20,224,166,.12);border-color:rgba(20,224,166,.7);color:var(--brand)}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(10px) saturate(120%);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.86);
  border-bottom-color:rgba(20,224,166,.20);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text-0);
  font-weight:800;
  letter-spacing:.01em;
}
.logo:hover{color:var(--text-0)}
.logo-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  box-shadow:0 0 0 1px rgba(20,224,166,.35),0 8px 20px -10px rgba(20,224,166,.7);
  flex:0 0 auto;
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px}

.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-item{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--text-1);
  border-radius:10px;
  white-space:nowrap;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-item::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.nav-item:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-item:hover::after{transform:scaleX(1)}
.nav-item.is-active{color:var(--text-0)}
.nav-item.is-active::after{transform:scaleX(1)}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:40px;
  height:40px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--glass-shadow);
  color:var(--text-1);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:rgba(20,224,166,.34);color:var(--brand);transform:translateY(-1px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04140F;
  box-shadow:0 0 0 1px rgba(20,224,166,.35),0 10px 30px -8px rgba(20,224,166,.55);
}
.btn-primary:hover{
  color:#04140F;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(20,224,166,.45),0 14px 34px -8px rgba(20,224,166,.75);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 0 0 1px rgba(20,224,166,.4),0 4px 14px -6px rgba(20,224,166,.5);
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-0);
}
.btn-ghost:hover{
  border-color:rgba(20,224,166,.40);
  background:rgba(255,255,255,.04);
  color:var(--text-0);
  transform:translateY(-1px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{
  opacity:.45;
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.link-arrow svg{width:15px;height:15px;transition:transform .18s var(--ease)}
.link-arrow:hover{text-decoration:underline;color:var(--brand)}
.link-arrow:hover svg{transform:translateX(2px)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1;
  font-weight:600;
  white-space:nowrap;
}
.badge-brand{background:rgba(20,224,166,.12);color:var(--brand)}
.badge-accent{background:rgba(255,122,61,.14);color:var(--accent)}
.badge-ok{background:rgba(53,208,127,.12);color:var(--ok)}
.badge-warn{background:rgba(255,194,77,.12);color:var(--warn)}
.badge-plain{background:rgba(255,255,255,.06);color:var(--text-1)}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{
  padding:16px 0;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{
  color:var(--text-1);
  max-width:52vw;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 分类页头部 ============ */
.page-hero{
  position:relative;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.90) 60%,var(--bg-0) 100%),
    linear-gradient(90deg,rgba(5,8,15,.96) 0%,rgba(5,8,15,.55) 58%,rgba(5,8,15,.85) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  z-index:0;
}
.page-hero .container{position:relative;z-index:1;padding-top:8px;padding-bottom:56px}
.page-hero .badge{margin-bottom:16px}
.page-hero h1{
  font-size:clamp(26px,3.6vw,38px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.005em;
  max-width:880px;
}
.page-hero .lede{
  margin-top:18px;
  max-width:760px;
  color:var(--text-1);
  font-size:16px;
}
.hero-facts{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:16px;
  max-width:760px;
}
.fact{
  padding:16px 18px;
  border-radius:var(--r-card);
  background:var(--glass-bg);
  border:1px solid var(--line);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.fact-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
}
.fact-label{
  display:block;
  margin-top:6px;
  font-size:12px;
  color:var(--text-2);
  line-height:1.5;
}

/* ============ 问答布局 ============ */
.section{padding:80px 0}
.section-tight{padding:56px 0}

.qa-layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:88px;
  padding:20px;
  border-radius:var(--r-glass);
  background:var(--glass-bg);
  border:1px solid var(--line);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.anchor-nav h2{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--text-2);
  margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:4px}
.anchor-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-1);
  border-left:2px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.anchor-list a:hover{background:rgba(255,255,255,.04);color:var(--text-0)}
.anchor-list a.is-current{
  color:var(--text-0);
  background:rgba(20,224,166,.08);
  border-left-color:var(--brand);
}
.anchor-list .idx{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  font-weight:700;
  color:var(--brand);
  opacity:.85;
}
.anchor-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-2);
  line-height:1.7;
}

/* ============ 分组标题 ============ */
.group + .group{margin-top:64px}
.section-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:26px;
  font-weight:700;
  line-height:1.3;
  margin-bottom:8px;
}
.section-title::before{
  content:"";
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--brand);
  flex:0 0 auto;
}
.group-desc{
  color:var(--text-2);
  font-size:14px;
  margin:0 0 20px 15px;
  line-height:1.7;
}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 12px;
}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass-bg);
  border:1px solid var(--line);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  overflow:hidden;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.faq-item:hover{border-color:rgba(20,224,166,.22)}
.faq-item[open]{border-color:rgba(20,224,166,.28)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:16px 20px;
  min-height:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:16px;
  font-weight:600;
  color:var(--text-0);
  transition:color .16s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:20px;
  text-align:center;
  font-family:var(--font-num);
  font-size:20px;
  line-height:1;
  color:var(--brand);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{
  padding:0 20px 18px;
  font-size:15px;
  color:var(--text-1);
  line-height:1.8;
}
.faq-answer p{margin-bottom:10px}
.faq-answer p:last-child{margin-bottom:0}
.faq-answer strong{color:var(--text-0);font-weight:600}
.faq-answer .inline-tip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-weight:600;
}

/* ============ 仍未解决 CTA 面板 ============ */
.cta-panel{
  margin-top:72px;
  padding:40px;
  border-radius:var(--r-glass);
  background:
    linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03)),
    radial-gradient(600px 260px at 90% 0%,rgba(20,224,166,.16),transparent 70%);
  border:1px solid rgba(20,224,166,.22);
  box-shadow:var(--glass-shadow);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-70px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.20),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.35;
}
.cta-panel p{
  margin-top:12px;
  color:var(--text-1);
  font-size:15px;
  max-width:600px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}

/* ============ 相关入口卡 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
  margin-top:28px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-card);
  background:var(--glass-bg);
  border:1px solid var(--line);
  box-shadow:var(--glass-shadow);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(20,224,166,.30);
  box-shadow:var(--glow);
}
.entry-thumb{
  position:relative;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--bg-1),rgba(20,224,166,.10));
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.entry-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.86;
  transition:transform .4s var(--ease),opacity .3s var(--ease);
}
.entry-card:hover .entry-thumb img{transform:scale(1.04);opacity:1}
.entry-thumb .badge{
  position:absolute;
  left:12px;
  top:12px;
  background:rgba(5,8,15,.72);
  border:1px solid rgba(20,224,166,.30);
  color:var(--brand);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  z-index:2;
}
.entry-body{
  padding:18px 20px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.entry-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-body .link-arrow{margin-top:auto;padding-top:6px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 2fr 3fr 3fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  max-width:320px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:18px;
}
.footer-social a{
  width:36px;
  height:36px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text-1);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.footer-social a svg{width:17px;height:17px}
.footer-social a:hover{
  border-color:rgba(20,224,166,.36);
  color:var(--brand);
  transform:translateY(-2px);
}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:var(--text-0);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
  font-size:14px;
}
.footer-links a{color:var(--text-1)}
.footer-links a:hover{color:var(--brand)}
.footer-note{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.75;
  margin-bottom:14px;
}
.footer-form{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.footer-form input[type="email"]{
  flex:1 1 150px;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text-0);
  font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.footer-form input[type="email"]::placeholder{color:var(--text-2)}
.footer-form input[type="email"]:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(20,224,166,.12);
}
.form-msg{
  display:block;
  width:100%;
  font-size:13px;
  color:var(--text-2);
  min-height:18px;
}
.form-msg.is-ok{color:var(--ok)}
.form-msg.is-err{color:var(--err)}
.footer-bar{
  margin-top:56px;
  padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-2);
}
.footer-bar a{color:var(--text-2)}
.footer-bar a:hover{color:var(--brand)}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(10,16,32,.86);
  border:1px solid var(--line);
  color:var(--text-1);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s,box-shadow .22s,border-color .22s,color .22s;
  z-index:70;
}
.to-top svg{width:20px;height:20px}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{
  border-color:rgba(20,224,166,.40);
  color:var(--brand);
  box-shadow:0 0 24px -6px rgba(20,224,166,.5);
}

/* ============ 移动抽屉 ============ */
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-icon);
  align-items:center;
  justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text-0);
}
.nav-toggle svg{width:18px;height:18px}
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  visibility:hidden;
  pointer-events:none;
}
.drawer::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(5,8,15,.7);
  opacity:0;
  transition:opacity .24s var(--ease);
}
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  height:100%;
  width:min(320px,86vw);
  background:var(--bg-1);
  border-left:1px solid var(--line);
  padding:22px 20px 24px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transform:translateX(100%);
  transition:transform .26s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer.is-open::before{opacity:1}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
}
.drawer-close{
  width:38px;
  height:38px;
  border-radius:var(--r-icon);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--text-1);
}
.drawer-close svg{width:16px;height:16px}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  height:52px;
  display:flex;
  align-items:center;
  padding:0 14px;
  border-radius:12px;
  font-size:15.5px;
  color:var(--text-1);
  border-left:2px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:var(--text-0)}
.drawer-nav a.is-active{
  color:var(--text-0);
  background:rgba(20,224,166,.08);
  border-left-color:var(--brand);
}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ============ 入场动画 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .header-inner{gap:16px}
  .nav-item{padding:8px 10px;font-size:14px}
}

@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px;justify-content:space-between}
  .header-actions .btn-primary{display:none}
  .qa-layout{grid-template-columns:1fr;gap:24px}
  .anchor-nav{
    position:sticky;
    top:58px;
    z-index:30;
    padding:12px;
    border-radius:14px;
    background:rgba(10,16,32,.94);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
  }
  .anchor-nav h2{display:none}
  .anchor-list{
    flex-direction:row;
    gap:8px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-list a{
    flex:0 0 auto;
    border-left:0;
    border-bottom:2px solid transparent;
    padding:9px 14px;
    border-radius:var(--r-pill);
    background:rgba(255,255,255,.04);
    font-size:13.5px;
  }
  .anchor-list a.is-current{
    border-left:0;
    border-bottom:2px solid var(--brand);
    background:rgba(20,224,166,.10);
  }
  .anchor-list .idx{display:none}
  .anchor-note{display:none}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .section{padding:64px 0}
}

@media (max-width:767px){
  .container{padding:0 16px}
  .topbar{height:32px;font-size:12px}
  .topbar-tip{display:none}
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(5,8,15,.94)}
  .header-inner{height:58px}
  .page-hero .container{padding-bottom:40px}
  .page-hero .lede{font-size:15px}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}
  .fact{padding:14px}
  .fact-num{font-size:20px}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .group + .group{margin-top:48px}
  .glass-off,.faq-item,.anchor-nav,.cta-panel,.entry-card,.fact{
    backdrop-filter:none;
    -webkit-backdrop-filter:none;
  }
  .faq-item{background:var(--bg-1)}
  .entry-card{background:var(--bg-1)}
  .cta-panel{background:var(--bg-1);padding:24px}
  .fact{background:var(--bg-1)}
  .btn{height:44px;padding:0 20px;font-size:14.5px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px;margin-top:56px}
  .footer-desc{max-width:none}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .breadcrumb .current{max-width:60vw}
}

@media (max-width:479px){
  .topbar-btn{display:none}
  .page-hero h1{font-size:24px}
  .fact-num{font-size:18px}
  .hero-facts{grid-template-columns:1fr}
  .entry-thumb{aspect-ratio:16/9}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
}