/* roulang page: index */
:root{
  --bg-0:#060B10; --bg-1:#0A141B; --bg-2:#101E28;
  --c-primary:#14C8B0; --c-primary-hover:#23E0C6; --c-primary-deep:#0E8E82;
  --c-accent:#6A6CFF; --c-amber:#FFB454;
  --t1:#EAF4F4; --t2:#A7BCC0; --t3:#6E8588;
  --stroke:rgba(120,220,210,.14); --stroke-strong:rgba(120,220,210,.28);
  --ok:#35D07F; --warn:#FFB454; --err:#FF6B6B; --info:#4FB8FF;
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 12px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(20,200,176,.35),0 8px 28px rgba(20,200,176,.25);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Rajdhani","DIN Alternate","Inter","Helvetica Neue",sans-serif;
  --container:1200px;
  --sp-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.85;color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 420px at 50% -8%,rgba(20,200,176,.10),transparent 70%),
    radial-gradient(700px 420px at 100% 92%,rgba(106,108,255,.08),transparent 72%),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-hover);}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;}
h3{font-size:clamp(18px,1.5vw,22px);line-height:1.35;}
h4{font-size:17px;line-height:1.4;}
p{margin:0 0 18px;max-width:68ch;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(20,200,176,.3);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;position:relative;}
.section--tint{background:var(--bg-1);}
.section--line{border-top:1px solid var(--stroke);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--t3);max-width:62ch;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.04em;color:var(--c-primary);text-transform:uppercase;font-family:var(--font-num);margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-primary);display:inline-block;}
.text-link{font-size:14.5px;color:var(--t2);border-bottom:1px solid var(--stroke-strong);padding-bottom:2px;}
.text-link:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- 顶部信息条 ---------- */
.site-topbar{background:#050A0E;border-bottom:1px solid rgba(120,220,210,.08);font-size:12.5px;height:36px;display:flex;align-items:center;}
.site-topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:14px;color:var(--t3);letter-spacing:.02em;min-width:0;}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-primary);flex:0 0 auto;}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--t3);}
.topbar-right{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-right a{color:var(--t3);font-size:12.5px;}
.topbar-right a:hover{color:var(--c-primary);}

/* ---------- 主导航 ---------- */
.site-nav{position:sticky;top:0;z-index:60;background:rgba(6,11,16,.72);backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--stroke);transition:background .25s ease,box-shadow .25s ease;}
.site-nav.is-scrolled{background:rgba(5,10,14,.94);box-shadow:0 12px 32px rgba(0,0,0,.45);}
.site-nav.is-scrolled::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(20,200,176,.7),transparent);}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text b{color:var(--t1);font-size:18px;letter-spacing:.01em;font-weight:700;}
.brand-text span{font-size:11.5px;color:var(--t3);letter-spacing:.14em;font-family:var(--font-num);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{position:relative;display:inline-block;padding:10px 14px;font-size:14.5px;color:var(--t2);border-radius:var(--r-sm);}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;background:var(--c-primary);border-radius:2px;transition:left .25s ease,right .25s ease;box-shadow:0 0 10px rgba(20,200,176,.6);}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after{left:14px;right:14px;}
.nav-links a.is-active{color:var(--t1);}
.nav-links a.is-active::after{left:14px;right:14px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--stroke);display:inline-flex;align-items:center;justify-content:center;color:var(--t2);background:rgba(255,255,255,.03);transition:.2s ease;}
.icon-btn:hover{color:var(--c-primary);border-color:var(--stroke-strong);background:rgba(20,200,176,.08);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-glow,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;}
.btn-glow{background:var(--c-primary);color:#04120F;box-shadow:var(--sh-glow),inset 0 1px 0 rgba(255,255,255,.25);}
.btn-glow:hover{color:#04120F;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(20,200,176,.45),0 10px 34px rgba(20,200,176,.34),inset 0 1px 0 rgba(255,255,255,.25);}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(20,200,176,.35),0 6px 18px rgba(20,200,176,.22);}
.btn-glow[disabled],.btn-glow.is-disabled{filter:saturate(.35);box-shadow:none;cursor:not-allowed;transform:none;opacity:.75;}
.btn-ghost{border:1px solid var(--stroke-strong);color:var(--t1);background:transparent;}
.btn-ghost:hover{color:var(--t1);border-color:var(--c-primary);background:rgba(20,200,176,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;letter-spacing:.04em;padding:4px 10px;border-radius:var(--r-pill);background:rgba(20,200,176,.12);color:var(--c-primary);border:1px solid rgba(20,200,176,.24);white-space:nowrap;}
.badge--accent{background:rgba(106,108,255,.14);color:#A9AAFF;border-color:rgba(106,108,255,.3);}
.badge--amber{background:rgba(255,180,84,.14);color:var(--c-amber);border-color:rgba(255,180,84,.3);}
.badge--plain{background:rgba(255,255,255,.05);color:var(--t3);border-color:var(--stroke);}

/* ---------- 玻璃卡 ---------- */
.glass-card{position:relative;background:rgba(255,255,255,.045);backdrop-filter:blur(14px) saturate(120%);border:1px solid var(--stroke);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.glass-card::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent);border-radius:var(--r-md) var(--r-md) 0 0;pointer-events:none;}
.glass-card:hover{border-color:var(--stroke-strong);}

/* ---------- Hero ---------- */
.hero-collection{position:relative;overflow:hidden;padding:clamp(56px,7vw,96px) 0 clamp(48px,6vw,88px);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.16;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--bg-0) 0%,rgba(6,11,16,.72) 45%,var(--bg-0) 100%);}
.hero-collection .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-copy h1 .hl{color:var(--c-primary);}
.hero-sub{margin:20px 0 30px;font-size:17px;line-height:1.8;color:var(--t2);max-width:56ch;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px;padding-top:26px;border-top:1px solid var(--stroke);}
.metric-num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--t1);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.metric-num em{font-style:normal;color:var(--c-primary);font-size:16px;margin-left:2px;}
.metric-label{font-size:12.5px;color:var(--t3);margin-top:6px;letter-spacing:.03em;}
.hero-panel{padding:16px;border-radius:var(--r-lg);}
.hero-panel .thumb{position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(135deg,rgba(20,200,176,.35),rgba(106,108,255,.35));}
.hero-panel .thumb img{width:100%;height:100%;object-fit:cover;}
.hero-panel .thumb::after{content:"开云 kaiyun";position:absolute;right:12px;bottom:10px;font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.18em;font-family:var(--font-num);}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.hero-panel-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--stroke);}
.hero-panel-foot span{font-size:13px;color:var(--t3);}
.float-tag{position:absolute;z-index:3;font-size:12.5px;padding:6px 12px;border-radius:var(--r-pill);background:rgba(6,11,16,.82);border:1px solid var(--stroke-strong);color:var(--t1);backdrop-filter:blur(8px);}
.float-tag.t1{top:26px;left:-10px;color:var(--c-primary);}
.float-tag.t2{bottom:34px;right:-8px;color:#A9AAFF;}

/* ---------- 合集目录 ---------- */
.collection-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.index-item{display:flex;gap:16px;align-items:flex-start;padding:20px;border-radius:var(--r-md);background:rgba(255,255,255,.038);border:1px solid var(--stroke);transition:.25s ease;}
.index-item:hover{transform:translateY(-3px);border-color:rgba(20,200,176,.42);background:rgba(20,200,176,.06);}
.index-num{flex:0 0 auto;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid rgba(20,200,176,.4);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-size:17px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;box-shadow:inset 0 0 14px rgba(20,200,176,.12);transition:.25s ease;}
.index-item:hover .index-num{background:var(--c-primary);color:#04120F;box-shadow:var(--sh-glow);}
.index-body h3{font-size:17px;margin-bottom:6px;color:var(--t1);}
.index-body p{font-size:14px;color:var(--t3);margin:0 0 10px;max-width:none;}
.index-foot{display:flex;align-items:center;gap:10px;}

/* ---------- 精选条目 ---------- */
.feature-grid{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:start;}
.feature-main{overflow:hidden;display:flex;flex-direction:column;}
.feature-main .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0;background:linear-gradient(135deg,rgba(20,200,176,.32),rgba(106,108,255,.32));}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.feature-main:hover .thumb img{transform:scale(1.03);}
.feature-main-body{padding:24px;display:flex;flex-direction:column;gap:14px;}
.feature-main-body p{margin:0;font-size:15px;color:var(--t2);}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);}
.meta-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.feature-side{display:flex;flex-direction:column;gap:16px;}
.side-item{display:flex;gap:14px;padding:16px;border-radius:var(--r-md);background:rgba(255,255,255,.038);border:1px solid var(--stroke);transition:.25s ease;}
.side-item:hover{transform:translateY(-3px);border-color:rgba(20,200,176,.42);}
.side-item .thumb{flex:0 0 96px;width:96px;aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:linear-gradient(135deg,rgba(20,200,176,.35),rgba(106,108,255,.35));}
.side-item .thumb img{width:100%;height:100%;object-fit:cover;}
.side-item h3{font-size:16px;margin-bottom:8px;}
.side-item p{margin:0 0 8px;font-size:13.5px;color:var(--t3);max-width:none;}

/* ---------- 最新信息（CMS） ---------- */
.feed-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.feed-item{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.feed-item:hover{transform:translateY(-4px);border-color:rgba(20,200,176,.45);box-shadow:var(--sh-2);}
.feed-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0;background:linear-gradient(135deg,rgba(20,200,176,.34),rgba(106,108,255,.32));}
.feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.feed-item:hover .feed-thumb img{transform:scale(1.03);}
.feed-thumb::after{content:"开云 kaiyun";position:absolute;right:10px;bottom:8px;font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.72);font-family:var(--font-num);}
.feed-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.feed-title{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feed-title a{color:var(--t1);}
.feed-title a:hover{color:var(--c-primary);}
.feed-excerpt{margin:0;font-size:14px;color:var(--t3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;max-width:none;}
.feed-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--stroke);font-size:12.5px;color:var(--t3);}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:64px 24px;border-radius:var(--r-md);border:1px dashed var(--stroke-strong);background:radial-gradient(320px 160px at 50% 0%,rgba(20,200,176,.10),transparent 70%),rgba(255,255,255,.02);}
.empty-mark{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,rgba(20,200,176,.34),rgba(106,108,255,.3));display:flex;align-items:center;justify-content:center;color:var(--t1);font-family:var(--font-num);font-size:15px;letter-spacing:.08em;}
.empty-state p{margin:0;color:var(--t3);font-size:14.5px;}

/* ---------- 横向轨道 ---------- */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;scrollbar-width:thin;scrollbar-color:rgba(20,200,176,.4) transparent;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(20,200,176,.35);border-radius:999px;}
.rail-card{flex:0 0 calc((100% - 40px)/3 + 40px);max-width:360px;scroll-snap-align:start;}
.rail-arrows{display:flex;gap:10px;}
.rail-arrows .icon-btn[disabled]{opacity:.35;cursor:not-allowed;}

/* ---------- 数据 / 证据 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.proof-card{padding:24px;border-radius:var(--r-md);background:rgba(255,255,255,.04);border:1px solid var(--stroke);}
.proof-card .metric-num{font-size:32px;}
.proof-card p{margin:10px 0 0;font-size:14px;color:var(--t3);max-width:none;}
.logo-wall{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:36px;}
.logo-chip{height:64px;border-radius:var(--r-sm);border:1px solid var(--stroke);background:rgba(255,255,255,.025);display:flex;align-items:center;justify-content:center;font-size:13.5px;color:var(--t3);letter-spacing:.04em;transition:.25s ease;}
.logo-chip:hover{color:var(--c-primary);border-color:var(--stroke-strong);background:rgba(20,200,176,.06);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{position:relative;padding:26px 22px;border-radius:var(--r-md);background:rgba(255,255,255,.038);border:1px solid var(--stroke);transition:.25s ease;}
.step:hover{transform:translateY(-3px);border-color:rgba(106,108,255,.42);}
.step-num{font-family:var(--font-num);font-size:14px;letter-spacing:.1em;color:var(--c-accent);margin-bottom:12px;}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{margin:0;font-size:14px;color:var(--t3);max-width:none;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{border-radius:var(--r-md);border:1px solid var(--stroke);background:rgba(255,255,255,.038);overflow:hidden;transition:border-color .2s ease,background .2s ease;}
.faq-item[open]{border-color:rgba(20,200,176,.4);background:rgba(20,200,176,.055);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;color:var(--t1);font-size:16px;font-weight:600;border-left:3px solid transparent;transition:.2s ease;}
.faq-item[open] summary{border-left-color:var(--c-primary);box-shadow:inset 0 1px 0 rgba(255,255,255,.06);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary-hover);}
.faq-icon{flex:0 0 auto;width:20px;height:20px;color:var(--c-primary);transition:transform .2s ease;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px 44px;font-size:14.5px;color:var(--t2);}

/* ---------- CTA 面板 ---------- */
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:40px;border-radius:var(--r-lg);background:radial-gradient(600px 240px at 12% 0%,rgba(20,200,176,.14),transparent 70%),rgba(255,255,255,.045);border:1px solid var(--stroke-strong);flex-wrap:wrap;}
.cta-panel h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:10px;}
.cta-panel p{margin:0;font-size:15px;color:var(--t3);max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.copy-state{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ok);}
.copy-state[hidden]{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:#050A0E;border-top:1px solid var(--stroke);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--t3);max-width:36ch;}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--t3);}
.footer-col a:hover{color:var(--c-primary);}
.footer-info{font-size:14px;color:var(--t3);line-height:1.9;}
.footer-info b{color:var(--t2);font-weight:600;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--t3);}
.to-top{width:42px;height:42px;border-radius:50%;border:1px solid var(--stroke);background:rgba(255,255,255,.035);display:inline-flex;align-items:center;justify-content:center;color:var(--t2);transition:.25s ease;}
.to-top:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;}
.drawer-mask{position:absolute;inset:0;background:rgba(3,7,10,.6);opacity:0;transition:opacity .28s ease;}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--bg-1);border-left:1px solid var(--stroke);transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);padding:22px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{padding:13px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--t2);border:1px solid transparent;}
.drawer-links a:hover{color:var(--t1);background:rgba(255,255,255,.04);border-color:var(--stroke);}
.drawer-links a.is-active{color:var(--c-primary);background:rgba(20,200,176,.08);border-color:rgba(20,200,176,.28);}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .logo-wall{grid-template-columns:repeat(3,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rail-card{flex:0 0 calc((100% - 20px)/2 + 40px);}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .feature-grid{grid-template-columns:1fr;}
  .feed-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  h1{font-size:clamp(26px,7vw,34px);}
  .site-topbar{height:auto;padding:8px 0;}
  .site-topbar .container{flex-wrap:wrap;gap:8px;}
  .topbar-note{white-space:normal;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{flex:1 1 46%;}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:14px;}
  .collection-index{grid-template-columns:1fr;}
  .feed-list{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .logo-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .rail-card{flex:0 0 84%;max-width:none;}
  .cta-panel{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{flex:1 1 46%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .proof-grid{grid-template-columns:1fr;}
  .side-item{flex-direction:column;}
  .side-item .thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9;}
  .hero-panel .float-tag{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#060B10;
  --bg-1:#0A141B;
  --bg-2:#101E28;
  --c-primary:#14C8B0;
  --c-primary-hover:#23E0C6;
  --c-primary-deep:#0E8E82;
  --c-accent:#6A6CFF;
  --c-amber:#FFB454;
  --t1:#EAF4F4;
  --t2:#A7BCC0;
  --t3:#6E8588;
  --stroke:rgba(120,220,210,.14);
  --stroke-strong:rgba(120,220,210,.28);
  --ok:#35D07F;
  --err:#FF6B6B;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 12px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(20,200,176,.35),0 8px 28px rgba(20,200,176,.25);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Rajdhani","DIN Alternate","Inter",system-ui,sans-serif;
  --container:1200px;
  --sec-pad:96px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(720px 420px at 22% -6%, rgba(20,200,176,.10), transparent 70%),
    radial-gradient(620px 420px at 92% 78%, rgba(106,108,255,.08), transparent 72%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-attachment:fixed,fixed,scroll,scroll;
  min-height:100vh;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,opacity .18s ease;}
a:hover{color:var(--c-primary-hover);}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-0.01em;}
p{margin:0 0 18px;max-width:68ch;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(20,200,176,.3);color:#fff;}

/* ============ 布局容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-pad) 0;position:relative;}
.section + .section{border-top:1px solid var(--stroke);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--t3);max-width:56ch;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.04em;
  color:var(--c-primary);background:rgba(20,200,176,.10);border:1px solid var(--stroke-strong);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:block;}

/* ============ 顶部信息条 ============ */
.site-topbar{
  background:#050A0E;border-bottom:1px solid var(--stroke);
  font-size:12.5px;color:var(--t3);height:36px;display:flex;align-items:center;position:relative;z-index:60;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-left .site-domain{color:var(--t3);font-family:var(--font-num);letter-spacing:.06em;}
.topbar-left .topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-left .topbar-note b{color:var(--c-primary);font-weight:600;}
.topbar-right{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.topbar-right a{color:var(--t3);}
.topbar-right a:hover{color:var(--c-primary-hover);}

/* ============ 主导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:55;height:68px;display:flex;align-items:center;
  background:rgba(6,11,16,.86);border-bottom:1px solid var(--stroke);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  backdrop-filter:blur(10px) saturate(120%);
}
.site-nav.is-scrolled{
  background:rgba(5,10,14,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
  border-bottom-color:rgba(20,200,176,.32);
}
.nav-inner{display:flex;align-items:center;gap:28px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{width:40px;height:40px;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:18px;letter-spacing:.01em;color:var(--t1);font-weight:700;}
.brand-text span{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--t3);font-family:var(--font-num);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;font-size:14.5px;color:var(--t2);border-radius:var(--r-xs);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 12px rgba(20,200,176,.8);
  transition:left .22s ease,right .22s ease;
}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after{left:14px;right:14px;}
.nav-links a.is-active{color:var(--t1);font-weight:600;}
.nav-links a.is-active::after{left:14px;right:14px;}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);border-radius:var(--r-sm);color:var(--t2);background:rgba(255,255,255,.03);
  transition:color .18s,border-color .18s,background .18s,transform .18s;
}
.icon-btn:hover{color:var(--c-primary-hover);border-color:var(--stroke-strong);background:rgba(20,200,176,.08);}
.icon-btn:active{transform:scale(.95);}
.nav-toggle{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-glow{
  background:linear-gradient(180deg,var(--c-primary-hover),var(--c-primary));
  color:#04120F;
  box-shadow:var(--sh-glow),inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,200,176,.45),0 12px 34px rgba(20,200,176,.42);filter:brightness(1.06);color:#04120F;}
.btn-glow:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(20,200,176,.35),0 6px 18px rgba(20,200,176,.28);}
.btn-glow:disabled{filter:saturate(.35);box-shadow:none;transform:none;cursor:not-allowed;opacity:.7;}
.btn-ghost{
  background:transparent;border-color:var(--stroke-strong);color:var(--t1);
}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(20,200,176,.08);color:var(--t1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(20,200,176,.12);border:1px solid var(--stroke-strong);color:var(--c-primary);
}
.badge-accent{background:rgba(106,108,255,.14);border-color:rgba(106,108,255,.32);color:#A9AAFF;}
.badge-amber{background:rgba(255,180,84,.12);border-color:rgba(255,180,84,.3);color:var(--c-amber);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--t3);flex-wrap:wrap;}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--c-primary-hover);}
.breadcrumb .sep{color:rgba(110,133,136,.6);}
.breadcrumb .current{color:var(--t2);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;padding:72px 0 64px;border-bottom:1px solid var(--stroke);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(115%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,16,.72) 0%,rgba(6,11,16,.92) 62%,var(--bg-0) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.02em;margin:20px 0 18px;max-width:20ch;
}
.hero-title em{
  font-style:normal;color:var(--c-primary);
  background:linear-gradient(180deg,var(--c-primary-hover),var(--c-primary-deep));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-lead{font-size:17px;color:var(--t2);max-width:64ch;margin-bottom:26px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:38px;}
.stat-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  max-width:660px;padding-top:26px;border-top:1px solid var(--stroke);
}
.stat-item .stat-num{font-family:var(--font-num);font-size:28px;color:var(--t1);line-height:1.1;letter-spacing:.02em;}
.stat-item .stat-num span{font-size:16px;color:var(--c-primary);margin-left:2px;}
.stat-item .stat-label{font-size:12.5px;color:var(--t3);letter-spacing:.04em;margin-top:6px;}

/* ============ 分类主体：粘性目录 + 长列表 ============ */
.cat-layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start;
}
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:rgba(255,255,255,.045);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:22px 20px;backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:14px;letter-spacing:.1em;color:var(--t3);font-weight:600;margin-bottom:14px;text-transform:uppercase;}
.side-nav li + li{margin-top:2px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-xs);
  font-size:14.5px;color:var(--t2);border-left:2px solid transparent;
  transition:background .18s,color .18s,border-color .18s,transform .18s;
}
.side-nav a .side-idx{font-family:var(--font-num);font-size:12.5px;color:var(--t3);}
.side-nav a:hover{background:rgba(20,200,176,.08);color:var(--t1);border-left-color:var(--c-primary);transform:translateX(2px);}
.side-nav a.is-current{background:rgba(20,200,176,.10);color:var(--t1);border-left-color:var(--c-primary);}
.side-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--stroke);
  font-size:13px;color:var(--t3);line-height:1.7;max-width:none;
}

.entry-group + .entry-group{margin-top:52px;}
.entry-group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;flex-wrap:wrap;}
.entry-group-head h2{font-size:clamp(22px,2.2vw,28px);line-height:1.3;}
.entry-group-head .group-count{font-size:13px;color:var(--t3);}
.entry-group-head .group-line{flex:1;height:1px;background:var(--stroke);min-width:40px;}

.entry-list{display:flex;flex-direction:column;gap:18px;}
.entry-item{
  position:relative;display:grid;grid-template-columns:56px minmax(0,1fr) 168px;gap:22px;
  padding:22px;border:1px solid var(--stroke);border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.entry-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),rgba(20,200,176,0));opacity:0;transition:opacity .22s ease;
}
.entry-item:hover{transform:translateY(-4px);border-color:var(--c-primary);box-shadow:var(--sh-2);background:rgba(255,255,255,.055);}
.entry-item:hover::before{opacity:1;}
.entry-num{
  width:44px;height:44px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;color:var(--c-primary);
  border:1px solid var(--stroke-strong);background:rgba(20,200,176,.06);
  box-shadow:inset 0 0 12px rgba(20,200,176,.12);transition:background .2s,color .2s;
}
.entry-item:hover .entry-num{background:var(--c-primary);color:#04120F;}
.entry-body h3{font-size:20px;line-height:1.4;margin-bottom:8px;}
.entry-body h3 a{color:var(--t1);}
.entry-body h3 a:hover{color:var(--c-primary-hover);}
.entry-body p{margin:0 0 12px;font-size:14.5px;line-height:1.8;color:var(--t2);}
.entry-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--t3);}
.entry-aside{
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
  border-left:1px dashed var(--stroke);padding-left:22px;
}
.entry-thumb{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;
  background:linear-gradient(135deg,rgba(20,200,176,.28),rgba(106,108,255,.24));
  position:relative;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-item:hover .entry-thumb img{transform:scale(1.03);}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--c-primary);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.entry-link:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-hover);}

/* ============ 场景说明 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
  padding:24px;border:1px solid var(--stroke);border-radius:var(--r-md);
  background:rgba(255,255,255,.035);backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--sh-2);}
.scene-icon{
  width:42px;height:42px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  background:rgba(106,108,255,.14);border:1px solid rgba(106,108,255,.3);color:#A9AAFF;margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;color:var(--t2);margin:0;}

/* ============ 流程 ============ */
.flow-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:flow;}
.flow-item{
  position:relative;padding:26px 22px 24px;border:1px solid var(--stroke);border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
}
.flow-item::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  font-family:var(--font-num);font-size:13px;color:var(--c-amber);
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(255,180,84,.3);background:rgba(255,180,84,.08);margin-bottom:14px;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14.5px;margin:0;color:var(--t2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--r-md);overflow:hidden;
  background:rgba(255,255,255,.035);backdrop-filter:blur(14px) saturate(120%);
  transition:border-color .22s,box-shadow .22s;
}
.faq-item:hover{border-color:var(--stroke-strong);}
.faq-item.is-open{border-color:rgba(20,200,176,.4);box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--t1);
  transition:color .18s,background .18s;
}
.faq-q:hover{background:rgba(20,200,176,.06);color:var(--c-primary-hover);}
.faq-icon{
  flex-shrink:0;width:20px;height:20px;color:var(--c-primary);transition:transform .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
  border-top:1px solid transparent;
}
.faq-item.is-open .faq-a{border-top-color:var(--stroke);}
.faq-a-inner{padding:18px 22px 22px;font-size:15px;line-height:1.85;color:var(--t2);}
.faq-a-inner p{margin:0;max-width:66ch;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border:1px solid var(--stroke-strong);border-radius:var(--r-lg);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:
    radial-gradient(520px 260px at 88% 12%, rgba(20,200,176,.16), transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(120%);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,108,255,.22),transparent 66%);
}
.cta-text{position:relative;z-index:2;max-width:60ch;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-text p{margin:0;color:var(--t2);font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--stroke);background:#050A0E;padding:64px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t3);line-height:1.85;max-width:42ch;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--t1);margin-bottom:16px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col ul a{font-size:14px;color:var(--t3);}
.footer-col ul a:hover{color:var(--c-primary-hover);}
.footer-info p{font-size:13.5px;color:var(--t3);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--stroke);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.to-top{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);color:var(--t2);
  transition:color .18s,border-color .18s,transform .18s,background .18s;
}
.to-top:hover{color:var(--c-primary-hover);border-color:var(--c-primary);transform:translateY(-2px);background:rgba(20,200,176,.08);}
.to-top:active{transform:translateY(0);}

/* ============ 空态 / 载入态（备用） ============ */
.is-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--stroke-strong);border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(20,200,176,.06),rgba(255,255,255,.01));
}
.is-empty p{color:var(--t3);margin:0 auto 18px;max-width:none;}
.skeleton{
  border-radius:var(--r-sm);
  background:linear-gradient(90deg,rgba(255,255,255,.05) 25%,rgba(255,255,255,.11) 37%,rgba(255,255,255,.05) 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;height:16px;
}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ============ 移动端抽屉 ============ */
.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(3,7,10,.7);backdrop-filter:blur(3px);z-index:58;
}
.nav-mask.is-open{display:block;}
.nav-drawer-head{display:none;}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1199px){
  :root{--sec-pad:80px;}
  .cat-layout{grid-template-columns:220px minmax(0,1fr);gap:32px;}
  .entry-item{grid-template-columns:52px minmax(0,1fr) 148px;gap:18px;}
}
@media (max-width:1024px){
  :root{--sec-pad:72px;}
  .cat-layout{grid-template-columns:1fr;gap:28px;}
  .side-sticky{position:static;}
  .side-card{padding:18px;}
  .side-nav{display:flex;flex-wrap:wrap;gap:8px;}
  .side-nav li{margin:0;}
  .side-nav a{border-left:none;border:1px solid var(--stroke);border-radius:var(--r-pill);padding:8px 14px;}
  .side-nav a:hover,.side-nav a.is-current{transform:none;}
  .scene-grid,.flow-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-item{grid-template-columns:48px minmax(0,1fr);}
  .entry-aside{grid-column:2;border-left:none;padding-left:0;border-top:1px dashed var(--stroke);padding-top:14px;flex-direction:row;align-items:center;justify-content:space-between;}
  .entry-thumb{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec-pad:56px;}
  .container{padding:0 16px;}
  .topbar-left .site-domain{display:none;}
  .topbar-right a:first-child{display:none;}
  .brand-text b{font-size:16px;}
  .brand-text span{display:none;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:286px;max-width:86vw;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    padding:88px 20px 28px;background:rgba(8,15,21,.98);
    border-left:1px solid var(--stroke-strong);box-shadow:-20px 0 50px rgba(0,0,0,.6);
    transform:translateX(105%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:59;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{padding:14px 12px;font-size:16px;border-radius:var(--r-sm);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:rgba(20,200,176,.12);color:var(--c-primary);}
  .nav-links .drawer-cta{margin-top:16px;}
  .nav-drawer-head{
    display:block;position:absolute;top:22px;left:20px;right:20px;
    font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--t3);font-family:var(--font-num);
  }
  .nav-toggle{display:inline-flex;}
  .nav-actions .icon-btn[data-search]{display:none;}
  .nav-actions .btn-glow{display:none;}
  .hero-lead{font-size:15.5px;}
  .stat-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
  .stat-item .stat-num{font-size:22px;}
  .scene-grid,.flow-list{grid-template-columns:1fr;}
  .entry-item{padding:18px;grid-template-columns:1fr;gap:14px;}
  .entry-num{width:38px;height:38px;font-size:14px;}
  .entry-aside{grid-column:1;}
  .cta-panel{padding:28px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-title{font-size:clamp(26px,7.4vw,34px);}
  .hero-actions .btn{width:100%;}
  .stat-row{grid-template-columns:1fr 1fr;gap:16px;}
  .stat-item:last-child{grid-column:1 / -1;}
  .entry-body h3{font-size:18px;}
  .cta-actions{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --bg-0:#060B10; --bg-1:#0A141B; --bg-2:#101E28;
  --c-primary:#14C8B0; --c-primary-hover:#23E0C6; --c-primary-deep:#0E8E82;
  --c-accent:#6A6CFF; --c-amber:#FFB454;
  --t1:#EAF4F4; --t2:#A7BCC0; --t3:#6E8588;
  --stroke:rgba(120,220,210,.14); --stroke-strong:rgba(120,220,210,.28);
  --ok:#35D07F; --warn:#FFB454; --err:#FF6B6B; --info:#4FB8FF;
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35); --sh-2:0 12px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(20,200,176,.35),0 8px 28px rgba(20,200,176,.25);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Rajdhani","DIN Alternate","Inter",system-ui,sans-serif;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg-0);color:var(--t2);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  background-image:
    radial-gradient(900px 420px at 18% -6%,rgba(20,200,176,.10),transparent 62%),
    radial-gradient(760px 460px at 102% 88%,rgba(106,108,255,.08),transparent 60%),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 18px;max-width:68ch;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 顶部信息条 ---------- */
.site-topbar{background:#050A0E;border-bottom:1px solid rgba(255,255,255,.05);font-size:12.5px;letter-spacing:.02em;}
.site-topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:12px;color:var(--t3);}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px rgba(20,200,176,.8);flex:none;}
.topbar-right{display:flex;align-items:center;gap:20px;}
.topbar-right a{color:var(--t3);}
.topbar-right a:hover{color:var(--c-primary);}

/* ---------- 主导航 ---------- */
.site-nav{position:sticky;top:0;z-index:60;background:rgba(6,11,16,.82);backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--stroke);transition:background-color .3s ease,box-shadow .3s ease;}
.site-nav.is-scrolled{background:rgba(5,10,14,.94);box-shadow:0 12px 32px rgba(0,0,0,.45);}
.site-nav::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(20,200,176,.55),transparent);opacity:0;transition:opacity .3s ease;}
.site-nav.is-scrolled::after{opacity:1;}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:68px;}
.brand{display:flex;align-items:center;gap:11px;flex:none;}
.brand-mark{width:40px;height:40px;flex:none;filter:drop-shadow(0 4px 12px rgba(20,200,176,.28));}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{color:var(--t1);font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--t3);letter-spacing:.16em;text-transform:uppercase;font-family:var(--font-num);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{position:relative;display:inline-block;padding:10px 14px;font-size:14.5px;color:var(--t2);border-radius:var(--r-sm);}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;background:var(--c-primary);border-radius:2px;transition:left .25s ease,right .25s ease;box-shadow:0 0 10px rgba(20,200,176,.7);}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after{left:14px;right:14px;}
.nav-links a.is-active{color:var(--t1);font-weight:600;}
.nav-links a.is-active::after{left:14px;right:14px;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);border:1px solid var(--stroke);background:rgba(255,255,255,.03);color:var(--t2);cursor:pointer;transition:all .2s ease;}
.icon-btn:hover{color:var(--t1);border-color:var(--stroke-strong);background:rgba(20,200,176,.08);}
.icon-btn:active{transform:scale(.96);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border:0;border-radius:var(--r-pill);cursor:pointer;
  background:var(--c-primary);color:#04120F;font-size:14.5px;font-weight:700;letter-spacing:.02em;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25),var(--sh-glow);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 0 0 1px rgba(20,200,176,.4),0 10px 34px rgba(20,200,176,.32);}
.btn-glow:active{transform:translateY(0);}
.btn-glow:disabled{filter:saturate(.35);box-shadow:none;cursor:not-allowed;opacity:.7;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);cursor:pointer;
  background:transparent;border:1px solid var(--stroke-strong);color:var(--t1);
  font-size:14.5px;font-weight:600;transition:all .22s ease;
}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(20,200,176,.08);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost:disabled{opacity:.5;cursor:not-allowed;}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none;}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer-mask{position:absolute;inset:0;background:rgba(3,7,10,.7);backdrop-filter:blur(3px);opacity:0;transition:opacity .3s ease;}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(84vw,340px);
  background:linear-gradient(180deg,#081219,#0A141B 60%,#060B10);
  border-left:1px solid var(--stroke);padding:22px 20px 32px;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.22,.7,.3,1);
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:12px 14px;border-radius:var(--r-sm);border:1px solid transparent;font-size:15px;color:var(--t2);}
.drawer-links a:hover{color:var(--t1);background:rgba(20,200,176,.06);border-color:var(--stroke);}
.drawer-links a.is-active{color:var(--t1);background:rgba(20,200,176,.1);border-color:var(--stroke-strong);font-weight:600;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{border-bottom:1px solid var(--stroke);background:rgba(10,20,27,.4);}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--t3);padding:14px 0;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{opacity:.5;font-family:var(--font-num);}
.crumb .current{color:var(--t1);font-weight:600;}

/* ---------- Hero ---------- */
.hero-collection{position:relative;overflow:hidden;border-bottom:1px solid var(--stroke);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16;}
.hero-collection::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,16,.72) 0%,rgba(6,11,16,.86) 55%,var(--bg-0) 100%);}
.hero-inner{position:relative;z-index:2;padding:74px 0 68px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--stroke-strong);background:rgba(106,108,255,.1);color:#C9CAFF;font-size:12.5px;letter-spacing:.06em;margin-bottom:22px;}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(20,200,176,.16);}
.hero-collection h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;letter-spacing:-.02em;margin-bottom:18px;}
.hero-collection h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:17px;color:var(--t2);max-width:60ch;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-top:26px;border-top:1px solid var(--stroke);max-width:660px;}
.metric b{display:block;font-family:var(--font-num);font-size:28px;line-height:1.1;color:var(--t1);letter-spacing:.01em;}
.metric span{font-size:12.5px;color:var(--t3);letter-spacing:.04em;}
.hero-panel{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-2);overflow:hidden;
}
.hero-panel img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-panel .panel-body{padding:18px 20px 20px;}
.hero-panel .panel-body h3{font-size:17px;margin-bottom:8px;}
.hero-panel .panel-body p{font-size:13.5px;color:var(--t3);margin:0;}
.float-tag{position:absolute;padding:6px 12px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.04em;backdrop-filter:blur(8px);border:1px solid var(--stroke-strong);}
.tag-a{top:14px;left:14px;background:rgba(20,200,176,.16);color:#C7FFF6;}
.tag-b{bottom:96px;right:14px;background:rgba(255,180,84,.16);color:#FFDDA8;border-color:rgba(255,180,84,.32);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;border-top:1px solid var(--stroke);}
.section.no-line{border-top:0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;}
.section-head .sub{font-size:14px;color:var(--t3);margin:8px 0 0;max-width:64ch;}
.text-link{font-size:14px;color:var(--c-primary);border-bottom:1px solid rgba(20,200,176,.35);padding-bottom:2px;}
.text-link:hover{color:var(--c-primary-hover);border-color:var(--c-primary-hover);}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid var(--stroke);}
.filter-chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);color:var(--t2);
  font-size:13.5px;cursor:pointer;transition:all .2s ease;
}
.filter-chip:hover{color:var(--t1);border-color:var(--stroke-strong);background:rgba(106,108,255,.1);transform:translateY(-1px);}
.filter-chip:active{transform:translateY(0);}
.filter-chip.is-active{background:rgba(20,200,176,.14);border-color:rgba(20,200,176,.5);color:#D6FFF8;box-shadow:0 6px 20px rgba(20,200,176,.16);}
.filter-chip .count{font-family:var(--font-num);font-size:12px;color:var(--t3);}
.filter-chip.is-active .count{color:#9FF3E6;}

/* ---------- 资讯卡片栅格 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.feed-item{
  display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--stroke);background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.feed-item:hover{transform:translateY(-4px);border-color:rgba(20,200,176,.45);box-shadow:var(--sh-2),0 0 0 1px rgba(20,200,176,.22);}
.thumb{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(20,200,176,.22),rgba(106,108,255,.28));}
.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease;}
.feed-item:hover .thumb img{transform:scale(1.03);}
.thumb .badge{position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.04em;background:rgba(6,11,16,.72);border:1px solid var(--stroke-strong);color:#C7FFF6;backdrop-filter:blur(6px);}
.thumb .badge.amber{color:#FFDDA8;border-color:rgba(255,180,84,.35);}
.feed-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.feed-body h3{font-size:20px;line-height:1.4;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feed-body p{font-size:14.5px;color:var(--t2);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.feed-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--stroke);font-size:12.5px;color:var(--t3);letter-spacing:.04em;}
.feed-meta .k{color:var(--c-primary);}
.feed-meta time{font-family:var(--font-num);}
.feed-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--t1);margin-top:12px;}
.feed-more svg{transition:transform .25s ease;}
.feed-item:hover .feed-more svg{transform:translateX(4px);}

/* ---------- 数据速览 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-card{
  position:relative;padding:26px 22px;border-radius:var(--r-md);border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(20,200,176,.09),rgba(255,255,255,.03));
  backdrop-filter:blur(12px);overflow:hidden;transition:border-color .25s ease,transform .25s ease;
}
.stat-card:hover{border-color:rgba(20,200,176,.4);transform:translateY(-3px);}
.stat-card::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--c-primary),rgba(20,200,176,0));}
.stat-card b{display:block;font-family:var(--font-num);font-size:32px;line-height:1.1;color:var(--t1);margin-bottom:6px;}
.stat-card span{font-size:13px;color:var(--t3);}
.stat-card.accent{background:linear-gradient(160deg,rgba(106,108,255,.13),rgba(255,255,255,.03));}
.stat-card.accent::before{background:linear-gradient(180deg,var(--c-accent),rgba(106,108,255,0));}

/* ---------- 编辑精选 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.pick-card{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:18px;align-items:center;
  padding:18px;border-radius:var(--r-md);border:1px solid var(--stroke);
  background:rgba(255,255,255,.035);transition:all .25s ease;
}
.pick-card:hover{border-color:rgba(20,200,176,.42);background:rgba(20,200,176,.06);transform:translateX(3px);}
.pick-card img{width:132px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-sm);}
.pick-card h3{font-size:17px;line-height:1.45;margin-bottom:6px;}
.pick-card p{font-size:13.5px;color:var(--t3);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-card .meta{font-size:12.5px;color:var(--t3);font-family:var(--font-num);letter-spacing:.04em;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);backdrop-filter:blur(12px);
  overflow:hidden;transition:border-color .25s ease,background-color .25s ease;
}
.faq-item:hover{border-color:var(--stroke-strong);}
.faq-item[open]{border-color:rgba(20,200,176,.45);background:rgba(20,200,176,.055);box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .idx{font-family:var(--font-num);font-size:13px;color:var(--c-primary);border:1px solid var(--stroke-strong);border-radius:var(--r-xs);padding:2px 8px;flex:none;}
.faq-item summary .chev{margin-left:auto;flex:none;color:var(--c-primary);transition:transform .2s ease;}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-item .answer{padding:0 22px 22px 60px;font-size:15px;color:var(--t2);}
.faq-item .answer p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:32px;
  padding:42px 44px;border-radius:var(--r-lg);border:1px solid var(--stroke-strong);
  background:linear-gradient(120deg,rgba(20,200,176,.13),rgba(106,108,255,.12) 62%,rgba(255,255,255,.03));
  backdrop-filter:blur(14px);box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;color:var(--t2);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.toast{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--ok);opacity:0;transform:translateY(-4px);transition:all .3s ease;}
.toast.show{opacity:1;transform:translateY(0);}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--stroke);background:#050A0E;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand p{font-size:14px;color:var(--t3);margin:16px 0 0;max-width:42ch;}
.footer-col h4{font-size:14px;color:var(--t1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--t3);}
.footer-col a:hover{color:var(--c-primary);}
.footer-info p{font-size:14px;color:var(--t3);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;border-top:1px solid var(--stroke);font-size:13px;color:var(--t3);flex-wrap:wrap;}
.to-top{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);color:var(--t2);cursor:pointer;
  transition:all .25s ease;
}
.to-top:hover{color:#04120F;background:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-glow);transform:translateY(-2px);}
.to-top:active{transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-y:80px;}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px;}
  .hero-panel{max-width:560px;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  :root{--sec-y:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .nav-actions .btn-glow{display:none;}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .pick-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:34px 28px;}
}
@media (max-width:767px){
  :root{--sec-y:48px;}
  .container{padding:0 16px;}
  .site-topbar .topbar-left span.hint{display:none;}
  .hero-inner{padding:48px 0 44px;}
  .hero-metrics{grid-template-columns:repeat(3,1fr);gap:12px;}
  .metric b{font-size:22px;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{flex:1 1 46%;}
  .filter-bar{gap:8px;}
  .filter-chip{padding:8px 14px;font-size:13px;}
  .pick-card{grid-template-columns:104px minmax(0,1fr);gap:14px;padding:14px;}
  .pick-card img{width:104px;}
  .faq-item summary{padding:16px;font-size:15.5px;gap:12px;}
  .faq-item .answer{padding:0 16px 18px 16px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:minmax(0,1fr);}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;flex:none;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{flex:1 1 100%;}
}

/* roulang page: article */
:root{
  --bg-0:#060B10;
  --bg-1:#0A141B;
  --bg-2:#101E28;
  --c-primary:#14C8B0;
  --c-primary-hover:#23E0C6;
  --c-primary-deep:#0E8E82;
  --c-accent:#6A6CFF;
  --c-amber:#FFB454;
  --t1:#EAF4F4;
  --t2:#A7BCC0;
  --t3:#6E8588;
  --stroke:rgba(120,220,210,.14);
  --stroke-strong:rgba(120,220,210,.28);
  --ok:#35D07F;
  --warn:#FFB454;
  --err:#FF6B6B;
  --info:#4FB8FF;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 12px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(20,200,176,.35), 0 8px 28px rgba(20,200,176,.25);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Rajdhani","DIN Alternate","Inter","Segoe UI",system-ui,sans-serif;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100%;
  color:var(--t2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(940px 540px at 50% -12%, rgba(20,200,176,.10), transparent 72%),
    radial-gradient(780px 560px at 100% 90%, rgba(106,108,255,.08), transparent 72%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  background-attachment:scroll,scroll,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
hr{border:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(20,200,176,.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 顶部信息条 ---------- */
.site-topbar{background:#050A0E;border-bottom:1px solid var(--stroke);font-size:12.5px;color:var(--t3);}
.topbar-inner{display:flex;align-items:center;gap:18px;height:36px;white-space:nowrap;overflow:hidden;}
.topbar-site{color:var(--t2);font-family:var(--font-num);letter-spacing:.06em;flex:none;}
.topbar-note{flex:1;overflow:hidden;text-overflow:ellipsis;}
.topbar-links{display:flex;gap:16px;flex:none;margin-left:auto;}
.topbar-links a:hover{color:var(--c-primary);}
@media (max-width:767px){.topbar-note{display:none;}}

/* ---------- 主导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,16,.86);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--stroke);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-nav.is-scrolled{background:rgba(6,11,16,.96);box-shadow:0 10px 30px rgba(0,0,0,.45);border-bottom-color:var(--stroke-strong);}
.site-nav.is-scrolled::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--c-primary),transparent);}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:38px;height:38px;flex:none;filter:drop-shadow(0 4px 12px rgba(20,200,176,.25));}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-text b{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--t3);font-family:var(--font-num);letter-spacing:.14em;text-transform:uppercase;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{position:relative;padding:8px 12px 10px;font-size:14.5px;color:var(--t2);border-radius:10px;}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 10px rgba(20,200,176,.85);transition:left .22s ease,right .22s ease;}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after{left:12px;right:12px;}
.nav-links a.is-active{color:var(--t1);}
.nav-links a.is-active::after{left:12px;right:12px;}

.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;border:1px solid var(--stroke);color:var(--t2);transition:color .2s,border-color .2s,background .2s,transform .2s;}
.icon-btn:hover{color:var(--t1);border-color:var(--stroke-strong);background:rgba(20,200,176,.08);}
.icon-btn:active{transform:scale(.96);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#04120F;font-weight:700;font-size:14.5px;
  box-shadow:var(--sh-glow),inset 0 1px 0 rgba(255,255,255,.25);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 1px rgba(20,200,176,.45),0 10px 34px rgba(20,200,176,.35),inset 0 1px 0 rgba(255,255,255,.25);}
.btn-glow:active{transform:translateY(0);filter:brightness(.97);}
.btn-glow:disabled{filter:saturate(.35);box-shadow:none;opacity:.72;cursor:not-allowed;transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  border:1px solid var(--stroke-strong);color:var(--t1);font-size:14.5px;font-weight:600;
  transition:border-color .2s,background .2s,transform .2s,color .2s;
}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(20,200,176,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:52px 0 26px;
  border-bottom:1px solid var(--stroke);
  background-image:linear-gradient(180deg,rgba(6,11,16,.80),rgba(6,11,16,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:rgba(120,220,210,.35);}
.breadcrumb .current{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t2);}
.article-title{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.24;
  letter-spacing:-.02em;
  color:var(--t1);
  font-weight:700;
  max-width:900px;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13.5px;color:var(--t3);}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);background:rgba(20,200,176,.12);border:1px solid rgba(20,200,176,.28);color:var(--c-primary);font-size:12.5px;letter-spacing:.04em;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(120,220,210,.35);}
.meta-line time{font-family:var(--font-num);letter-spacing:.03em;color:var(--t2);}
.meta-actions{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap;}
.link-btn{font-size:13.5px;color:var(--t3);border-bottom:1px dashed rgba(120,220,210,.3);padding-bottom:2px;transition:color .2s,border-color .2s;}
.link-btn:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.link-btn.is-done{color:var(--ok);border-bottom-color:var(--ok);}
.head-rule{height:1px;background:var(--stroke);margin-top:26px;}

/* ---------- 正文区 ---------- */
.article-main{padding:44px 0 0;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media (min-width:1200px){
  .article-grid.has-toc{grid-template-columns:minmax(0,760px) 240px;justify-content:center;gap:56px;}
}
.article-col{min-width:0;}

.article-body{font-size:16px;line-height:1.85;color:var(--t2);overflow-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;max-width:68ch;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.35;
  color:var(--t1);
  font-weight:700;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;background:var(--c-primary);box-shadow:0 0 12px rgba(20,200,176,.75);}
.article-body h3{margin:30px 0 12px;font-size:19px;line-height:1.4;color:var(--t1);font-weight:700;}
.article-body h4{margin:24px 0 10px;font-size:17px;color:var(--t1);font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 18px;padding:0;list-style:none;}
.article-body li{position:relative;margin-bottom:10px;padding-left:18px;}
.article-body li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 8px rgba(20,200,176,.6);}
.article-body blockquote{
  margin:0 0 20px;
  padding:14px 20px;
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:rgba(20,200,176,.06);
  color:var(--t1);
  font-size:15.5px;
}
.article-body img{width:100%;height:auto;border-radius:var(--r-sm);margin:22px 0 8px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--c-primary-hover);text-decoration-thickness:2px;}
.article-body strong{color:var(--t1);}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 20px;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--stroke);padding:10px 14px;text-align:left;color:var(--t2);white-space:nowrap;}
.article-body th{background:rgba(20,200,176,.08);color:var(--t1);}
.article-body code{font-family:var(--font-num);background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--c-primary-hover);}

/* ---------- 目录 ---------- */
.toc-col{display:none;}
@media (min-width:1200px){.toc-col{display:block;}}
.toc{
  position:sticky;top:96px;
  padding:18px 16px;
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-1);
}
.toc-title{margin:0 0 10px 10px;font-family:var(--font-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--t3);}
.toc-list{display:grid;gap:2px;}
.toc-list a{display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;font-size:13.5px;line-height:1.5;color:var(--t3);}
.toc-list a:hover{color:var(--t1);background:rgba(20,200,176,.06);}
.toc-list a.is-current{color:var(--c-primary);border-left-color:var(--c-primary);background:rgba(20,200,176,.09);}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;
  padding:56px 28px;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
}
.empty-art{
  width:88px;height:88px;border-radius:26px;
  background:linear-gradient(135deg,rgba(20,200,176,.35),rgba(106,108,255,.3));
  position:relative;margin-bottom:6px;
}
.empty-art::after{
  content:"";position:absolute;inset:16px;border-radius:18px;
  border:1.5px dashed rgba(255,255,255,.35);
}
.empty-state h2{font-size:22px;color:var(--t1);}
.empty-state p{max-width:46ch;font-size:14.5px;color:var(--t3);}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;}
.tag-chip{padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--stroke);background:rgba(255,255,255,.04);font-size:13px;color:var(--t2);transition:.2s;}
.tag-chip:hover{border-color:var(--c-primary);color:var(--t1);background:rgba(20,200,176,.08);}

/* ---------- 板块 ---------- */
.section{padding:72px 0;border-top:1px solid var(--stroke);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;color:var(--t1);letter-spacing:-.01em;}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--t3);max-width:62ch;}
.section-head .more{font-size:14px;color:var(--c-primary);border-bottom:1px solid transparent;transition:.2s;}
.section-head .more:hover{border-bottom-color:var(--c-primary);}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:639px){.card-grid{grid-template-columns:minmax(0,1fr);}}
.glass-card{
  position:relative;
  display:block;
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:rgba(255,255,255,.10);}
.glass-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--sh-2);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(20,200,176,.22),rgba(106,108,255,.22));}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.glass-card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:18px 18px 20px;}
.card-body h3{margin-bottom:10px;font-size:17.5px;line-height:1.45;color:var(--t1);font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:12.5px;color:var(--t3);}
.card-meta .num{color:var(--c-amber);}
.chip{display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-pill);background:rgba(20,200,176,.12);border:1px solid rgba(20,200,176,.24);color:var(--c-primary);font-size:12px;letter-spacing:.03em;}
.chip-accent{background:rgba(106,108,255,.14);border-color:rgba(106,108,255,.3);color:#A9AAFF;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
  overflow:hidden;
  transition:border-color .2s,background .2s;
}
.faq-item:hover{border-color:var(--stroke-strong);}
.faq-item[open]{border-left:3px solid var(--c-primary);background:rgba(20,200,176,.06);border-color:var(--stroke-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;
  font-size:15.5px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .arrow{width:20px;height:20px;flex:none;color:var(--c-primary);transition:transform .2s ease;}
.faq-item[open] summary .arrow{transform:rotate(180deg);}
.faq-body{padding:0 18px 18px;font-size:14.5px;color:var(--t2);max-width:66ch;}

/* ---------- CTA ---------- */
.cta-panel{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:34px 36px;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke-strong);
  background:linear-gradient(120deg,rgba(20,200,176,.10),rgba(106,108,255,.10));
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-1);
}
.cta-panel h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;color:var(--t1);}
.cta-panel p{margin-top:8px;font-size:14.5px;color:var(--t2);max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;padding:56px 0 24px;border-top:1px solid var(--stroke);background:var(--bg-1);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:32px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--t3);max-width:38ch;}
.footer-col h4{margin-bottom:14px;font-size:14px;letter-spacing:.04em;color:var(--t1);}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--t3);}
.footer-col a:hover{color:var(--c-primary);}
.footer-info p{font-size:13.5px;color:var(--t3);max-width:none;}
.footer-info b{color:var(--t2);font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;
  border-top:1px solid var(--stroke);
  font-size:13px;color:var(--t3);
}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--stroke);color:var(--t2);
  transition:color .2s,background .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.to-top:hover{color:#04120F;background:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-glow);transform:translateY(-2px);}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(3,7,10,.62);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(320px,86vw);
  display:flex;flex-direction:column;gap:18px;
  padding:20px;
  background:var(--bg-1);
  border-left:1px solid var(--stroke);
  transform:translateX(102%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-links{display:grid;gap:8px;}
.drawer-links a{padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--stroke);font-size:15px;color:var(--t2);}
.drawer-links a:hover{color:var(--t1);border-color:var(--stroke-strong);background:rgba(20,200,176,.06);}
.drawer-links a.is-active{color:var(--c-primary);border-color:var(--stroke-strong);background:rgba(20,200,176,.09);}

@media (max-width:991px){
  .nav-links{display:none;}
  .nav-actions .btn-glow{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-hero{padding:36px 0 22px;}
  .article-title{font-size:clamp(24px,6vw,30px);}
  .meta-actions{margin-left:0;width:100%;}
  .section{padding:48px 0;}
  .cta-panel{padding:26px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{flex:1 1 46%;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (min-width:1440px){:root{--container:1280px;}}

/* roulang page: category3 */
:root{
  --bg-0:#060B10;
  --bg-1:#0A141B;
  --bg-2:#101E28;
  --c-primary:#14C8B0;
  --c-primary-hover:#23E0C6;
  --c-primary-deep:#0E8E82;
  --c-accent:#6A6CFF;
  --c-amber:#FFB454;
  --t1:#EAF4F4;
  --t2:#A7BCC0;
  --t3:#6E8588;
  --stroke:rgba(120,220,210,.14);
  --stroke-strong:rgba(120,220,210,.28);
  --ok:#35D07F;
  --warn:#FFB454;
  --err:#FF6B6B;
  --info:#4FB8FF;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 12px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(20,200,176,.35), 0 8px 28px rgba(20,200,176,.25);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Rajdhani","DIN Alternate","Inter",ui-sans-serif,system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
    radial-gradient(900px 520px at 18% -12%, rgba(20,200,176,.10), transparent 68%),
    radial-gradient(720px 520px at 104% 102%, rgba(106,108,255,.08), transparent 70%);
  background-size:24px 24px,24px 24px,auto,auto;
  background-repeat:repeat,repeat,no-repeat,no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:var(--t1);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-0.01em;}
p{margin:0 0 18px;max-width:68ch;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(20,200,176,.32);color:#04120F;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:var(--r-xs);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部信息条 ---------- */
.site-topbar{
  background:#050A0E;
  border-bottom:1px solid rgba(255,255,255,.05);
  font-size:12.5px;
  color:var(--t3);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
  flex-wrap:wrap;
}
.topbar-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.topbar-left .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 3px rgba(20,200,176,.16);
}
.topbar-right{display:flex;align-items:center;gap:16px;}
.topbar-right a{color:var(--t3);}
.topbar-right a:hover{color:var(--c-primary);}

/* ---------- 主导航 ---------- */
.site-nav{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,11,16,.82);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--stroke);
  transition:background-color .25s ease, box-shadow .25s ease;
}
.site-nav.is-scrolled{
  background:rgba(5,9,13,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.site-nav::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg, transparent, rgba(20,200,176,.55), transparent);
  opacity:0;
  transition:opacity .25s ease;
}
.site-nav.is-scrolled::after{opacity:1;}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{width:38px;height:38px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;color:var(--t1);letter-spacing:.01em;font-weight:700;}
.brand-text span{font-size:11.5px;color:var(--t3);letter-spacing:.16em;text-transform:uppercase;}

.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  padding:6px 2px;
  font-size:14.5px;
  color:var(--t2);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  box-shadow:0 0 10px rgba(20,200,176,.7);
  transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-links a:hover{color:var(--t1);}
.nav-links a:hover::after{width:100%;}
.nav-links a.is-active{color:var(--t1);}
.nav-links a.is-active::after{width:100%;}

.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
  color:var(--t2);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--stroke-strong);color:var(--t1);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-glow,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:700;
  line-height:1.4;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .25s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn-glow{
  background:var(--c-primary);
  color:#04120F;
  border:1px solid transparent;
  box-shadow:var(--sh-glow), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-glow:hover{
  background:var(--c-primary-hover);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(20,200,176,.45), 0 12px 34px rgba(20,200,176,.34);
}
.btn-glow:active{transform:translateY(0);box-shadow:var(--sh-glow);}
.btn-glow[disabled],.btn-glow.is-disabled{
  filter:saturate(35%);
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}
.btn-ghost{
  border:1px solid var(--stroke-strong);
  color:var(--t1);
  background:transparent;
}
.btn-ghost:hover{
  border-color:var(--c-primary);
  background:rgba(20,200,176,.08);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost.is-on{
  border-color:var(--c-amber);
  color:var(--c-amber);
  background:rgba(255,180,84,.10);
}

/* ---------- 通用徽章与标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  letter-spacing:.04em;
  background:rgba(20,200,176,.14);
  border:1px solid rgba(20,200,176,.28);
  color:#8FF0E2;
  white-space:nowrap;
}
.badge.is-accent{
  background:rgba(106,108,255,.14);
  border-color:rgba(106,108,255,.30);
  color:#BFC0FF;
}
.badge.is-amber{
  background:rgba(255,180,84,.13);
  border-color:rgba(255,180,84,.32);
  color:#FFD59B;
}
.badge.is-plain{
  background:rgba(255,255,255,.05);
  border-color:var(--stroke);
  color:var(--t3);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  padding:18px 0 0;
  flex-wrap:wrap;
}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:rgba(110,133,136,.7);}
.breadcrumb .cur{color:var(--t2);}

/* ---------- Hero ---------- */
.hero-collection{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--stroke);
  background:var(--bg-1);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.18;
  filter:saturate(115%);
}
.hero-veil{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg, rgba(6,11,16,.72) 0%, rgba(6,11,16,.86) 62%, var(--bg-0) 100%),
    radial-gradient(760px 380px at 12% 0%, rgba(255,180,84,.10), transparent 70%);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
  padding:66px 0 62px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.12em;
  color:var(--c-amber);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--c-amber),transparent);
}
.hero-collection h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.15;
  letter-spacing:-0.02em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--t2);
  max-width:60ch;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  padding-top:22px;
  border-top:1px solid var(--stroke);
}
.stat .v{
  font-family:var(--font-num);
  font-size:28px;
  line-height:1.1;
  color:var(--t1);
  letter-spacing:.01em;
}
.stat .v small{font-size:14px;color:var(--t3);margin-left:4px;font-family:var(--font-sans);}
.stat .k{font-size:12.5px;color:var(--t3);letter-spacing:.03em;}

.hero-card{
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-2), inset 0 1px 0 rgba(255,255,255,.10);
  padding:22px;
}
.hero-card h2{
  font-size:16px;
  color:var(--t1);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-card h2::before{
  content:"";
  width:3px;height:16px;border-radius:2px;
  background:var(--c-amber);
  box-shadow:0 0 10px rgba(255,180,84,.6);
}
.mini-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed rgba(120,220,210,.16);
  font-size:14px;
  color:var(--t2);
}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list .idx{
  font-family:var(--font-num);
  font-size:12.5px;
  color:var(--c-primary);
  border:1px solid rgba(20,200,176,.35);
  border-radius:var(--r-xs);
  padding:1px 7px;
  flex:none;
  margin-top:3px;
}
.mini-list .tm{
  display:block;
  font-family:var(--font-num);
  font-size:12.5px;
  color:var(--t3);
  margin-top:2px;
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--stroke);}
.section.is-alt{background:var(--bg-1);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
}
.section-head .sub{
  font-size:14.5px;
  color:var(--t3);
  max-width:52ch;
  margin:8px 0 0;
}
.text-link{
  font-size:14px;
  color:var(--c-primary);
  border-bottom:1px solid rgba(20,200,176,.4);
  padding-bottom:2px;
}
.text-link:hover{color:var(--c-primary-hover);border-bottom-color:var(--c-primary-hover);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:6px;}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;
  top:14px;
  bottom:14px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg, rgba(255,180,84,.55), rgba(20,200,176,.40) 45%, rgba(106,108,255,.22) 78%, transparent);
}
.tl-item{
  position:relative;
  padding:0 0 44px 96px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;
  left:11px;
  top:6px;
  width:34px;height:34px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:13px;
  color:var(--c-primary);
  background:#08131A;
  border:1px solid rgba(20,200,176,.42);
  box-shadow:0 0 0 5px rgba(6,11,16,.9);
}
.tl-item.is-amber .tl-node{
  color:var(--c-amber);
  border-color:rgba(255,180,84,.5);
}
.tl-card{
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px) saturate(118%);
  box-shadow:var(--sh-1), inset 0 1px 0 rgba(255,255,255,.08);
  padding:24px 26px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.tl-card:hover{
  transform:translateY(-3px);
  border-color:var(--stroke-strong);
  box-shadow:var(--sh-2), inset 0 1px 0 rgba(255,255,255,.10);
}
.tl-card h3{
  font-size:21px;
  line-height:1.4;
  margin-bottom:10px;
}
.tl-card p{font-size:15px;margin-bottom:16px;}
.tl-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-top:14px;
  border-top:1px solid var(--stroke);
  font-size:13px;
  color:var(--t3);
}
.tl-meta .left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.tl-meta time{font-family:var(--font-num);color:var(--t2);letter-spacing:.02em;}
.tl-read{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);
  font-weight:600;
}
.tl-read:hover{color:var(--c-primary-hover);}
.tl-read svg{transition:transform .2s ease;}
.tl-read:hover svg{transform:translateX(3px);}

/* ---------- 要点卡 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:22px;
}
.point-card{
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px) saturate(118%);
  padding:24px 22px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.point-card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-strong);
  box-shadow:var(--sh-2);
}
.point-card .k{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--c-accent);
  margin-bottom:12px;
  display:block;
}
.point-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.point-card p{font-size:14.5px;margin:0;}
.point-card.is-amber .k{color:var(--c-amber);}

.feature-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:34px;
  align-items:center;
  margin-top:34px;
}
.feature-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:linear-gradient(140deg, rgba(20,200,176,.22), rgba(106,108,255,.16));
  aspect-ratio:16/9;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-media:hover img{transform:scale(1.03);}
.feature-media .float-tag{
  position:absolute;
  left:14px;bottom:14px;
  display:inline-flex;gap:8px;flex-wrap:wrap;
}
.feature-copy h3{font-size:22px;margin-bottom:12px;}
.feature-copy p{font-size:15px;}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  padding:9px 0;
}
.check-list li::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  margin-top:9px;
  flex:none;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(20,200,176,.14);
}
.check-list.is-amber li::before{background:var(--c-amber);box-shadow:0 0 0 4px rgba(255,180,84,.14);}

/* ---------- 流程 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:flow;
}
.flow-step{
  position:relative;
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  padding:26px 22px 22px;
  transition:border-color .25s ease, transform .25s ease;
}
.flow-step:hover{border-color:var(--stroke-strong);transform:translateY(-3px);}
.flow-step .step-no{
  font-family:var(--font-num);
  font-size:26px;
  line-height:1;
  color:var(--c-primary);
  letter-spacing:.02em;
  display:block;
  margin-bottom:14px;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;margin:0;color:var(--t2);}
.flow-step::after{
  content:"";
  position:absolute;
  right:-11px;top:40px;
  width:22px;height:1px;
  background:linear-gradient(90deg, rgba(20,200,176,.5), transparent);
}
.flow-step:last-child::after{display:none;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(12px) saturate(118%);
  overflow:hidden;
  transition:border-color .25s ease, background-color .25s ease;
}
.faq-item[open]{
  border-color:var(--stroke-strong);
  background:rgba(255,255,255,.055);
  box-shadow:inset 3px 0 0 var(--c-primary), inset 0 1px 0 rgba(255,255,255,.10);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16.5px;
  font-weight:600;
  color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .caret{
  flex:none;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  transition:transform .2s ease;
}
.faq-item[open] summary .caret{transform:rotate(180deg);}
.faq-body{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--t2);
  border-top:1px solid var(--stroke);
  padding-top:18px;
}
.faq-body p{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-panel{
  border-radius:var(--r-lg);
  border:1px solid var(--stroke-strong);
  background:
    radial-gradient(600px 260px at 8% 0%, rgba(20,200,176,.14), transparent 70%),
    radial-gradient(520px 240px at 100% 100%, rgba(106,108,255,.14), transparent 70%),
    rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--sh-2), inset 0 1px 0 rgba(255,255,255,.10);
  padding:38px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-panel h2{font-size:clamp(21px,2.2vw,28px);line-height:1.35;margin-bottom:8px;}
.cta-panel p{margin:0;font-size:15px;color:var(--t2);max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.copy-note{
  display:none;
  margin-top:10px;
  font-size:13px;
  color:var(--ok);
}
.copy-note.is-on{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#050A0E;
  border-top:1px solid var(--stroke);
  padding:64px 0 26px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(120,220,210,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t3);max-width:40ch;}
.footer-col h4{
  font-size:14.5px;
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--t3);}
.footer-col a:hover{color:var(--c-primary);}
.footer-info p{color:var(--t3);font-size:13.5px;}
.footer-info b{color:var(--t2);font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding-top:22px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}
.to-top{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.045);
  color:var(--t2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}

/* ---------- 移动端抽屉 ---------- */
.nav-scrim{
  position:fixed;
  inset:0;
  background:rgba(3,6,9,.62);
  backdrop-filter:blur(2px);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:70;
}
.nav-scrim.is-open{opacity:1;pointer-events:auto;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:1199px){
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:32px;}
  .hero-card{max-width:640px;}
}
@media (max-width:1024px){
  .section{padding:80px 0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-step::after{display:none;}
  .feature-split{grid-template-columns:minmax(0,1fr);gap:24px;}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100dvh;
    width:min(86vw,340px);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:88px 24px 32px;
    background:rgba(6,11,16,.98);
    border-left:1px solid var(--stroke);
    box-shadow:-24px 0 60px rgba(0,0,0,.55);
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:80;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:16px;padding:12px 0;width:100%;border-bottom:1px solid rgba(120,220,210,.10);}
  .nav-links a::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-glow{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:64px 0;}
  .hero-inner{padding:52px 0 50px;}
  .hero-lead{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
  .stat .v{font-size:22px;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{flex:1 1 100%;}
  .tl-item{padding-left:64px;padding-bottom:36px;}
  .timeline::before{left:19px;}
  .tl-node{left:3px;width:30px;height:30px;font-size:12px;}
  .tl-card{padding:20px 18px;}
  .tl-card h3{font-size:19px;}
  .cta-panel{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{flex:1 1 100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .point-grid{grid-template-columns:minmax(0,1fr);}
  .hero-stats{grid-template-columns:minmax(0,1fr);gap:14px;}
  .faq-item summary{font-size:15.5px;padding:17px 18px;}
  .faq-body{padding:16px 18px 18px;}
  .brand-text b{font-size:15px;}
  .breadcrumb{font-size:12.5px;}
}