/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#070C16;
  --bg-deep:#04070E;
  --panel:rgba(255,255,255,.04);
  --panel-2:#0F1A2B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.12);
  --text:#E6EDF6;
  --text-dim:#93A4BC;
  --brand:#16E0A8;
  --brand-2:#0FB98A;
  --accent:#FF8A3D;
  --danger:#E06A6A;
  --disabled:#4A5568;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(22,224,168,.35), 0 12px 32px rgba(22,224,168,.22);
  --container:1240px;
  --ease:cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.1px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(22,224,168,.28)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{position:relative;padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.section-title{position:relative;padding-left:18px;margin:0;font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.4px}
.section-title::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.section-desc{margin-top:10px;color:var(--text-dim);font-size:15px;max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;position:relative}
.text-link::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--brand);transition:width .22s var(--ease)}
.text-link:hover::after{width:100%}

/* ============ 背景装饰 ============ */
.arena-grid{position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 78px),
                   repeating-linear-gradient(25deg,rgba(255,255,255,.04) 0 1px,transparent 1px 112px);
  opacity:.5;
  -webkit-mask-image:radial-gradient(80% 70% at 50% 40%,#000 20%,transparent 100%);
  mask-image:radial-gradient(80% 70% at 50% 40%,#000 20%,transparent 100%);
}
.sweep{position:absolute;top:0;left:-20%;width:60%;height:100%;pointer-events:none;z-index:0;
  background:linear-gradient(100deg,transparent,rgba(22,224,168,.07),transparent);
  transform:skewX(-12deg)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(7,12,22,.72);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.is-scrolled{background:rgba(9,15,26,.92);border-bottom-color:var(--line);box-shadow:0 12px 32px rgba(0,0,0,.42)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:74px}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:linear-gradient(150deg,rgba(22,224,168,.9),rgba(15,185,138,.45));color:#04121C;font-weight:800;font-size:17px;box-shadow:0 8px 22px rgba(22,224,168,.24);letter-spacing:-.5px}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text em{font-style:normal;color:var(--brand)}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:9px 14px;border-radius:var(--radius-s);font-size:15px;font-weight:500;color:var(--text-dim);white-space:nowrap;transition:color .18s var(--ease),background .18s var(--ease)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--text);background:var(--panel)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--panel);position:relative}
.menu-toggle span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s var(--ease),opacity .18s var(--ease)}
.menu-toggle span:nth-child(1){top:15px}
.menu-toggle span:nth-child(2){top:21px}
.menu-toggle span:nth-child(3){top:27px}
.menu-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-active span:nth-child(2){opacity:0}
.menu-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.menu-toggle:hover{border-color:rgba(22,224,168,.45)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;gap:6px;padding:92px 24px 40px;overflow-y:auto;
  background:rgba(4,7,14,.94);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease)}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-title{font-size:13px;color:var(--text-dim);letter-spacing:2px;margin:8px 0 10px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;border-bottom:1px solid var(--line);font-size:17px;font-weight:600;color:var(--text)}
.drawer-link.is-active{color:var(--brand)}
.drawer-link small{color:var(--text-dim);font-size:13px;font-weight:400}
.drawer-cta{margin-top:28px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-primary{background:var(--brand);color:#04121C;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:#25EDB6;color:#04121C;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,168,.45),0 16px 38px rgba(22,224,168,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(22,224,168,.3)}
.btn-glass{background:var(--panel);border-color:var(--line-strong);color:var(--text)}
.btn-glass:hover{border-color:rgba(22,224,168,.45);background:rgba(22,224,168,.08);color:var(--text);transform:translateY(-2px)}
.btn-glass:active{transform:translateY(0)}
.btn-ghost{color:var(--text-dim);padding:0 4px;height:auto;position:relative}
.btn-ghost::after{content:"";position:absolute;left:4px;right:4px;bottom:-4px;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn[disabled],.btn.is-disabled{background:rgba(74,85,104,.5);color:rgba(230,237,246,.45);box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px;border:1px solid transparent}
.badge-live{border-color:rgba(255,138,61,.5);color:var(--accent);background:rgba(255,138,61,.08)}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.78)}}
.badge-brand{border-color:rgba(22,224,168,.4);color:var(--brand);background:rgba(22,224,168,.08)}
.badge-muted{border-color:var(--line-strong);color:var(--text-dim);background:var(--panel)}

/* ============ 图片容器 ============ */
.img-wrap{position:relative;overflow:hidden;border-radius:var(--radius-m);background:linear-gradient(180deg,#111C2E,#0A1220)}
.img-wrap::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.05) 50%,transparent 70%);background-size:220% 100%;animation:shine 1.2s linear infinite}
@keyframes shine{from{background-position:180% 0}to{background-position:-60% 0}}
.img-wrap.is-loaded::before{display:none}
.img-wrap img{position:relative;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s var(--ease)}
.img-wrap img.is-loaded{opacity:1}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}
.ratio-21x9{aspect-ratio:21/9}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;isolation:isolate;padding:72px 0 76px}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.6}
.hero-media::after{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 8% 26%,rgba(7,12,22,.72),rgba(7,12,22,.95) 68%),
             linear-gradient(92deg,rgba(4,7,14,.96) 8%,rgba(4,7,14,.62) 62%,rgba(4,7,14,.86))}
.hero-inner{position:relative;z-index:2}
.hero-panel{max-width:720px;padding:40px;border-radius:var(--radius-l);border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:var(--shadow-card)}
.hero-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--radius-l) var(--radius-l) 0 0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent)}
.hero h1{margin:18px 0 0;font-size:clamp(29px,3.6vw,50px);line-height:1.15;font-weight:700;letter-spacing:-.5px}
.hero h1 .hl{color:var(--brand)}
.hero-sub{margin-top:16px;color:#B9C7DA;font-size:16px;line-height:1.85;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.stat-pill{flex:1 1 150px;min-width:140px;padding:14px 16px;border-radius:var(--radius-m);border:1px solid var(--line);background:rgba(255,255,255,.03)}
.stat-pill strong{display:block;font-size:24px;font-weight:700;letter-spacing:-.5px;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-pill span{display:block;margin-top:2px;font-size:13px;color:var(--text-dim)}

/* ============ 倒计时 ============ */
.countdown-section{padding-top:0;padding-bottom:0}
.countdown-bar{position:relative;overflow:hidden;display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  padding:26px 30px;border-radius:var(--radius-l);border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(15,26,43,.92),rgba(9,15,26,.86));
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:var(--shadow-card)}
.countdown-bar::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 140% at 100% 0,rgba(255,138,61,.10),transparent 70%);pointer-events:none}
.cd-info{flex:1 1 280px;min-width:240px}
.cd-info h3{margin:12px 0 6px;font-size:20px;font-weight:600}
.cd-info p{color:var(--text-dim);font-size:14px}
.cd-timer{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cd-cell{width:56px;height:64px;border-radius:var(--radius-s);border:1px solid var(--line-strong);background:rgba(255,255,255,.04);display:flex;flex-direction:column;align-items:center;justify-content:center}
.cd-num{font-size:22px;font-weight:700;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums;transition:transform .16s var(--ease)}
.cd-num.tick{transform:scale(1.02)}
.cd-label{font-size:12px;color:var(--text-dim);margin-top:6px}
.cd-action{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.cd-live-btn{display:none}
.countdown-bar.is-live .cd-sub-btn{display:none}
.countdown-bar.is-live .cd-live-btn{display:inline-flex}
.countdown-bar.is-live .cd-num{color:var(--brand)}

/* ============ 订阅胶囊 ============ */
.subscribe-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px}
.subscribe-pill{display:flex;align-items:center;gap:8px;padding:6px 6px 6px 20px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);max-width:520px;width:100%;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.subscribe-pill:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,224,168,.14)}
.subscribe-pill.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(224,106,106,.14)}
.subscribe-pill.is-ok{border-color:var(--brand)}
.subscribe-pill input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:15px;padding:10px 0;color:var(--text)}
.subscribe-pill input::placeholder{color:#6D7E96}
.subscribe-tip{font-size:13px;color:var(--text-dim);min-height:20px}
.subscribe-tip.is-error{color:var(--danger)}
.subscribe-tip.is-ok{color:var(--brand)}

/* ============ 看点时间轴 ============ */
.timeline{position:relative;display:flex;flex-direction:column;gap:12px;margin-top:8px}
.timeline-item{position:relative;display:flex;align-items:center;gap:22px;padding:18px 22px;border-radius:var(--radius-m);border:1px solid var(--line);background:rgba(255,255,255,.025);transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out}
.timeline-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--brand);transform:scaleY(0);transform-origin:center;transition:transform .22s var(--ease)}
.timeline-item:hover{transform:translateX(2px);border-color:rgba(22,224,168,.35);background:rgba(22,224,168,.05)}
.timeline-item:hover::before{transform:scaleY(1)}
.tl-time{flex:0 0 76px;font-size:15px;font-weight:600;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.3px}
.tl-body{flex:1 1 auto;min-width:0}
.tl-body h3{font-size:19px;font-weight:600;line-height:1.5}
.tl-body p{margin-top:4px;font-size:14px;color:var(--text-dim)}
.tl-arrow{flex:0 0 auto;color:var(--text-dim);font-size:22px;line-height:1;transition:transform .18s var(--ease),color .18s var(--ease)}
.timeline-item:hover .tl-arrow{color:var(--brand);transform:translateX(4px)}

/* ============ 分类卡片 ============ */
.cat-scroll{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.cat-scroll::-webkit-scrollbar{height:6px}
.cat-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:6px}
.cat-card{position:relative;flex:0 0 296px;min-height:326px;display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:var(--radius-l);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  scroll-snap-align:start;overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.cat-card:nth-child(1),.cat-card:nth-child(3){min-height:350px}
.cat-card::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent)}
.cat-card:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.35);box-shadow:var(--shadow-card);color:var(--text)}
.cat-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(22,224,168,.12);border:1px solid rgba(22,224,168,.28);color:var(--brand);font-size:19px}
.cat-card h3{font-size:21px;font-weight:700;letter-spacing:-.2px}
.cat-card p{font-size:14px;color:var(--text-dim)}
.cat-card .cat-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.cat-thumb{border-radius:var(--radius-m);overflow:hidden;margin-top:2px}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.news-card{position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-m);border:1px solid var(--line);background:rgba(255,255,255,.025);padding:20px;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.news-card:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.35);box-shadow:var(--shadow-card);color:inherit}
.news-card:hover .news-title{color:var(--brand)}
.news-card-lead{grid-column:span 6;flex-direction:row;align-items:stretch;gap:22px;padding:22px}
.news-card-small{grid-column:span 3;gap:14px}
.news-lead-text{flex:1 1 56%;display:flex;flex-direction:column;gap:12px;min-width:0}
.news-lead-media{flex:1 1 44%;min-width:0}
.news-title{font-size:17px;font-weight:600;line-height:1.55;transition:color .18s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-lead .news-title{font-size:22px;-webkit-line-clamp:3;letter-spacing:-.3px}
.news-excerpt{font-size:14px;color:var(--text-dim);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-dim);font-variant-numeric:tabular-nums}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:64px 24px;border-radius:var(--radius-l);border:1px dashed var(--line-strong);background:rgba(255,255,255,.02)}
.empty-state svg{color:var(--text-dim)}
.empty-state p{color:var(--text-dim);font-size:15px}
.empty-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* ============ 回放 / 入口区 ============ */
.entry-band{position:relative;overflow:hidden;border-radius:var(--radius-l);border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(11,18,32,.96),rgba(7,12,22,.92));padding:40px;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.entry-band .sweep{left:auto;right:-10%;width:55%;background:linear-gradient(100deg,transparent,rgba(22,224,168,.10),transparent)}
.entry-text{position:relative;z-index:2}
.entry-text h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.4px;margin-top:14px}
.entry-text p{margin-top:14px;color:var(--text-dim);font-size:15px}
.entry-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.entry-media{position:relative;z-index:2}
.entry-media .img-wrap{border-radius:var(--radius-l);box-shadow:var(--shadow-card)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{border-radius:var(--radius-m);border:1px solid var(--line);background:rgba(255,255,255,.025);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:rgba(22,224,168,.35);background:rgba(22,224,168,.04)}
.faq-q{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:20px 22px;font-size:17px;font-weight:600;color:var(--text)}
.faq-q .q-icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-strong);font-size:13px;color:var(--text-dim);transition:all .2s var(--ease)}
.faq-item.is-open .q-icon{background:var(--brand);border-color:var(--brand);color:#04121C;font-weight:700}
.faq-q .chev{margin-left:auto;color:var(--text-dim);transition:transform .24s var(--ease)}
.faq-item.is-open .chev{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 22px 22px 62px;color:var(--text-dim);font-size:15px;line-height:1.85;background:linear-gradient(180deg,rgba(4,7,14,.36),rgba(4,7,14,0))}

/* ============ 页脚 ============ */
.site-footer{margin-top:24px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(9,15,26,.9),rgba(4,7,14,1));padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px}
.footer-brand span{font-size:16px;font-weight:700}
.footer-about{color:var(--text-dim);font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand);letter-spacing:.4px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--text-dim);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:var(--text-dim);font-size:13px}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 移动底部 Tab ============ */
.tabbar{display:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 24px}
  .cat-card{flex:0 0 280px}
}
@media (max-width:1024px){
  .nav-desktop{display:none}
  .menu-toggle{display:block}
  .nav-actions .btn{display:none}
  .section{padding:68px 0}
  .hero{padding:48px 0 56px}
  .entry-band{grid-template-columns:1fr;padding:30px}
  .news-card-lead{grid-column:span 12;flex-direction:column-reverse}
  .news-card-small{grid-column:span 6}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:85;height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
    background:rgba(7,12,22,.94);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-top:1px solid var(--line)}
  .tab-item{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-dim);min-width:0}
  .tab-item svg{width:20px;height:20px}
  .tab-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .tab-item.is-active{color:var(--brand)}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom) + 8px)}
}
@media (max-width:768px){
  .hero-panel{padding:24px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .stat-pill strong{font-size:21px}
  .countdown-bar{padding:22px;gap:20px}
  .cd-timer{gap:8px}
  .cd-action{width:100%}
  .cd-action .btn{flex:1 1 auto}
  .timeline-item{flex-wrap:wrap;gap:8px 14px}
  .tl-time{flex:0 0 auto}
  .tl-body h3{font-size:17px}
  .section{padding:54px 0}
  .section-head{margin-bottom:24px}
  .news-card-small{grid-column:span 12}
  .faq-a-inner{padding-left:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .brand-text{font-size:15px}
  .btn-lg{width:100%}
  .hero-actions .btn{width:100%}
  .cd-cell{width:44px;height:52px}
  .cd-num{font-size:18px}
  .cat-card,.cat-card:nth-child(1),.cat-card:nth-child(3){flex:0 0 254px;min-height:300px}
  .subscribe-pill{flex-wrap:wrap;border-radius:var(--radius-m);padding:12px}
  .subscribe-pill input{width:100%}
  .subscribe-pill .btn{width:100%}
}
@media (max-width:390px){
  .brand-mark{width:34px;height:34px;flex:0 0 34px}
  .hero h1{font-size:24px}
}

/* roulang page: category1 */
:root{
    --bg:#070C16;
    --bg-deep:#0B1220;
    --panel:rgba(255,255,255,.04);
    --panel-2:rgba(15,26,43,.72);
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.14);
    --text:#E6EDF6;
    --text-dim:#93A4BC;
    --brand:#16E0A8;
    --brand-2:#0FB98A;
    --accent:#FF8A3D;
    --glow:0 0 0 1px rgba(22,224,168,.35),0 12px 32px rgba(22,224,168,.22);
    --radius-s:10px;
    --radius-m:14px;
    --radius-l:18px;
    --shadow-card:0 18px 40px rgba(0,0,0,.45);
    --container:1240px;
    --nav-h:68px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    padding-bottom:calc(60px + env(safe-area-inset-bottom));
    background:var(--bg);
    color:var(--text);
    font-family:system-ui,-apple-system,"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(1100px 600px at 78% -10%,rgba(22,224,168,.10),transparent 62%),
      radial-gradient(900px 520px at 6% 12%,rgba(255,138,61,.06),transparent 60%),
      repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 86px),
      linear-gradient(180deg,#070C16 0%,#080E1A 46%,#070C16 100%);
    opacity:.9;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:700;letter-spacing:-.4px;}
  p{margin:0 0 1.1em;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

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

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 20px;
    border-radius:12px;
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,color .18s ease-out;
    white-space:nowrap;
  }
  .btn-primary{
    background:linear-gradient(180deg,#25F0B8,var(--brand));
    color:#04221A;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,168,.5),0 18px 42px rgba(22,224,168,.3);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(22,224,168,.4),0 8px 20px rgba(22,224,168,.2);}
  .btn-ghost{
    background:var(--panel);
    border-color:var(--line);
    color:var(--text);
    backdrop-filter:blur(14px) saturate(1.2);
  }
  .btn-ghost:hover{border-color:rgba(22,224,168,.45);color:#fff;background:rgba(22,224,168,.08);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-text{
    height:auto;
    padding:0;
    background:none;
    border:none;
    color:var(--brand);
    position:relative;
  }
  .btn-text::after{
    content:"";
    position:absolute;
    left:0;bottom:-3px;
    width:0;height:1px;
    background:var(--brand);
    transition:width .22s ease-out;
  }
  .btn-text:hover::after{width:100%;}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,12,22,.72);
    backdrop-filter:blur(14px) saturate(1.2);
    border-bottom:1px solid transparent;
    transition:background-color .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
  }
  .site-header.is-scrolled{
    background:rgba(9,15,27,.86);
    border-bottom-color:var(--line);
    box-shadow:0 10px 30px rgba(0,0,0,.42);
  }
  .nav-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:var(--nav-h);
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;flex:0 0 34px;
    display:grid;place-items:center;
    border-radius:10px;
    background:linear-gradient(140deg,var(--brand),#0C8F73);
    color:#03211A;
    font-weight:800;
    font-size:18px;
    box-shadow:0 8px 22px rgba(22,224,168,.28);
  }
  .brand-text{
    font-size:16px;
    font-weight:700;
    letter-spacing:-.2px;
    color:#F3F8FF;
  }
  .brand-text em{
    font-style:normal;
    font-weight:500;
    color:var(--brand);
    margin-left:2px;
  }
  .nav-desktop{display:flex;align-items:center;gap:6px;margin-left:auto;}
  .nav-link{
    position:relative;
    padding:9px 12px;
    border-radius:10px;
    font-size:15px;
    color:var(--text-dim);
    transition:color .18s ease-out,background-color .18s ease-out;
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }
  .nav-actions{display:flex;align-items:center;gap:12px;}
  .menu-toggle{
    display:none;
    width:42px;height:42px;
    border-radius:10px;
    border:1px solid var(--line);
    background:var(--panel);
    cursor:pointer;
    padding:0;
    place-items:center;
    gap:4px;
  }
  .menu-toggle span{display:block;width:16px;height:1.6px;background:var(--text);border-radius:2px;transition:transform .22s ease-out,opacity .22s ease-out;}
  .menu-toggle:hover{border-color:rgba(22,224,168,.45);}

  /* ---------- 抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;
    background:rgba(0,0,0,.6);
    backdrop-filter:blur(4px);
    opacity:0;visibility:hidden;
    transition:opacity .24s ease-out,visibility .24s ease-out;
    z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100%;
    background:linear-gradient(180deg,#0B1220,#080E1A);
    border-left:1px solid var(--line);
    padding:22px 20px calc(28px + env(safe-area-inset-bottom));
    transform:translateX(102%);
    transition:transform .24s ease-out;
    z-index:90;
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-title{font-size:14px;color:var(--text-dim);letter-spacing:1px;}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;
    border:1px solid var(--line);
    background:var(--panel);
    cursor:pointer;
  }
  .drawer-close:hover{border-color:rgba(22,224,168,.45);}
  .drawer nav{display:flex;flex-direction:column;gap:6px;}
  .drawer nav a{
    padding:12px 14px;
    border-radius:12px;
    border:1px solid transparent;
    color:var(--text);
    font-size:15px;
    transition:background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;
  }
  .drawer nav a:hover{background:rgba(255,255,255,.05);border-color:var(--line);}
  .drawer nav a.is-active{color:var(--brand);border-color:rgba(22,224,168,.35);background:rgba(22,224,168,.08);}
  .drawer-cta{margin-top:18px;display:grid;gap:10px;}

  /* ---------- 通用 ---------- */
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--text-dim);
    padding:22px 0 0;
  }
  .breadcrumb a{color:var(--text-dim);transition:color .18s ease-out;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{opacity:.6;}
  .breadcrumb .current{color:var(--text);}

  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:500;
    border:1px solid var(--line-strong);
    color:var(--text-dim);
    background:var(--panel);
  }
  .badge-brand{border-color:rgba(22,224,168,.4);color:var(--brand);background:rgba(22,224,168,.08);}
  .badge-live{border-color:rgba(255,138,61,.45);color:var(--accent);background:rgba(255,138,61,.08);}
  .badge-live .dot{
    width:6px;height:6px;border-radius:50%;background:var(--accent);
    animation:pulse 1.6s ease-in-out infinite;
  }
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(1.35);}}

  .section{padding:88px 0 0;}
  .section-head{margin-bottom:30px;}
  .section-title{
    font-size:30px;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .section-title::before{
    content:"";
    width:4px;height:22px;
    border-radius:3px;
    background:var(--brand);
    box-shadow:0 0 18px rgba(22,224,168,.5);
  }
  .section-sub{margin-top:12px;color:var(--text-dim);font-size:15px;max-width:760px;}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    margin-top:26px;
    border-radius:var(--radius-l);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    min-height:340px;
    display:flex;
    align-items:flex-end;
    background:#0A1120;
  }
  .page-hero .hero-bg{
    position:absolute;inset:0;
    width:100%;height:100%;
    object-fit:cover;
    object-position:center;
    opacity:.55;
  }
  .page-hero::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(7,12,22,.95) 0%,rgba(7,12,22,.82) 46%,rgba(7,12,22,.42) 100%);
  }
  .hero-inner{
    position:relative;
    z-index:2;
    padding:44px 40px;
    max-width:760px;
  }
  .hero-inner h1{
    font-size:46px;
    margin:16px 0 14px;
    letter-spacing:-1px;
  }
  .hero-inner h1 span{color:var(--brand);}
  .hero-lead{
    color:#C6D3E4;
    font-size:16.5px;
    max-width:640px;
    margin-bottom:24px;
  }
  .hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
  .stat-pills{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px;
  }
  .stat-pill{
    display:flex;
    align-items:baseline;
    gap:8px;
    padding:10px 16px;
    border-radius:var(--radius-s);
    background:var(--panel);
    border:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(1.2);
  }
  .stat-pill b{
    font-size:22px;
    font-variant-numeric:tabular-nums;
    color:var(--brand);
    letter-spacing:-.5px;
  }
  .stat-pill em{font-style:normal;font-size:13px;color:var(--text-dim);}

  /* ---------- 准备清单 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
  }
  .glass-card{
    position:relative;
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--radius-m);
    padding:22px;
    backdrop-filter:blur(14px) saturate(1.2);
    transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .glass-card::before{
    content:"";
    position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,rgba(255,255,255,.22),rgba(255,255,255,0));
    border-radius:var(--radius-m) var(--radius-m) 0 0;
  }
  .glass-card:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.35);box-shadow:0 22px 44px rgba(0,0,0,.5);}
  .check-card h3{font-size:19px;margin-bottom:10px;}
  .check-card p{color:var(--text-dim);font-size:14.5px;margin:0;}
  .check-ico{
    width:40px;height:40px;
    border-radius:12px;
    display:grid;place-items:center;
    background:rgba(22,224,168,.12);
    border:1px solid rgba(22,224,168,.3);
    color:var(--brand);
    margin-bottom:14px;
  }
  .check-ico svg{width:20px;height:20px;}

  /* ---------- 步骤主区 ---------- */
  .steps-layout{
    display:grid;
    grid-template-columns:262px minmax(0,1fr);
    gap:44px;
    align-items:start;
    margin-top:8px;
  }
  .steps-nav{
    position:sticky;
    top:calc(var(--nav-h) + 22px);
    background:var(--panel);
    border:1px solid var(--line);
    border-radius:var(--radius-m);
    padding:20px 18px;
    backdrop-filter:blur(14px) saturate(1.2);
  }
  .steps-nav h2{
    font-size:14px;
    letter-spacing:1.5px;
    color:var(--brand);
    margin-bottom:14px;
    font-weight:600;
  }
  .steps-nav ol{display:flex;flex-direction:column;gap:4px;counter-reset:sn;}
  .steps-nav a{
    display:flex;
    gap:10px;
    align-items:flex-start;
    padding:9px 10px;
    border-radius:10px;
    font-size:14px;
    color:var(--text-dim);
    border-left:2px solid transparent;
    transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,padding-left .18s ease-out;
  }
  .steps-nav a:hover{color:#fff;background:rgba(255,255,255,.05);padding-left:14px;}
  .steps-nav a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(22,224,168,.08);}
  .steps-nav .idx{
    font-variant-numeric:tabular-nums;
    font-size:12.5px;
    color:var(--text-dim);
    opacity:.8;
  }
  .steps-nav a.is-current .idx{color:var(--brand);opacity:1;}
  .steps-nav-tip{
    margin-top:16px;
    padding-top:16px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--text-dim);
    line-height:1.7;
  }

  .step-block{
    position:relative;
    padding:0 0 34px 0;
    margin-bottom:34px;
    border-bottom:1px solid var(--line);
  }
  .step-block:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:6px;}
  .step-block::before{
    content:"";
    position:absolute;
    left:23px;top:52px;bottom:-34px;
    width:1px;
    background:linear-gradient(180deg,rgba(22,224,168,.35),rgba(22,224,168,0));
  }
  .step-block:last-of-type::before{display:none;}
  .step-head{display:flex;gap:16px;align-items:flex-start;}
  .step-num{
    flex:0 0 46px;
    width:46px;height:46px;
    border-radius:50%;
    display:grid;place-items:center;
    font-variant-numeric:tabular-nums;
    font-weight:700;
    font-size:17px;
    color:#04221A;
    background:linear-gradient(140deg,#2BF0BB,var(--brand-2));
    box-shadow:0 0 0 4px rgba(22,224,168,.12),0 10px 26px rgba(22,224,168,.22);
    position:relative;
    z-index:2;
  }
  .step-head h2{
    font-size:24px;
    padding-top:8px;
  }
  .step-body{padding-left:62px;margin-top:14px;}
  .step-body p{color:#C2D0E2;font-size:15.5px;}
  .point-list{display:flex;flex-direction:column;gap:10px;margin:6px 0 18px;}
  .point-list li{
    position:relative;
    padding-left:22px;
    color:var(--text-dim);
    font-size:14.8px;
    transition:color .18s ease-out,transform .18s ease-out;
  }
  .point-list li::before{
    content:"";
    position:absolute;
    left:2px;top:11px;
    width:7px;height:7px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 10px rgba(22,224,168,.6);
  }
  .point-list li:hover{color:var(--text);transform:translateX(2px);}
  .note-bar{
    display:flex;
    gap:12px;
    padding:14px 16px;
    border-radius:var(--radius-s);
    background:rgba(255,255,255,.035);
    border:1px solid var(--line);
    border-left:3px solid var(--brand);
    font-size:14px;
    color:var(--text-dim);
  }
  .note-bar strong{color:var(--text);font-weight:600;}
  .note-bar.warn{border-left-color:var(--accent);}

  .step-figure{
    margin:18px 0 0;
    border-radius:var(--radius-m);
    overflow:hidden;
    border:1px solid var(--line);
    background:#0A1120;
  }
  .step-figure img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
  }
  .step-figure figcaption{
    padding:12px 16px;
    font-size:13px;
    color:var(--text-dim);
    border-top:1px solid var(--line);
  }

  /* ---------- 异常对照 ---------- */
  .table-wrap{
    border:1px solid var(--line);
    border-radius:var(--radius-m);
    background:var(--panel);
    backdrop-filter:blur(14px) saturate(1.2);
    overflow:hidden;
  }
  table.glass-table{
    width:100%;
    border-collapse:collapse;
    font-size:14.5px;
  }
  .glass-table thead th{
    text-align:left;
    padding:16px 20px;
    color:var(--brand);
    font-size:13.5px;
    font-weight:600;
    letter-spacing:.5px;
    border-bottom:1px solid var(--line);
    background:rgba(22,224,168,.05);
  }
  .glass-table td{
    padding:16px 20px;
    border-bottom:1px solid rgba(255,255,255,.08);
    color:var(--text-dim);
    vertical-align:top;
  }
  .glass-table tbody tr:last-child td{border-bottom:none;}
  .glass-table tbody tr{transition:background-color .18s ease-out;}
  .glass-table tbody tr:hover{background:rgba(255,255,255,.03);}
  .glass-table td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
  .faq-item{
    border:1px solid var(--line);
    border-radius:var(--radius-m);
    background:var(--panel);
    backdrop-filter:blur(14px) saturate(1.2);
    overflow:hidden;
    transition:border-color .18s ease-out;
  }
  .faq-item:hover{border-color:rgba(22,224,168,.3);}
  .faq-item summary{
    display:flex;
    align-items:center;
    gap:12px;
    padding:18px 22px;
    cursor:pointer;
    font-size:16.5px;
    font-weight:600;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .q-ico{
    flex:0 0 24px;
    width:24px;height:24px;
    border-radius:50%;
    display:grid;place-items:center;
    border:1px solid var(--line-strong);
    color:var(--text-dim);
    font-size:13px;
    font-weight:700;
    transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  }
  .faq-item[open] summary .q-ico{
    background:var(--brand);
    border-color:var(--brand);
    color:#04221A;
  }
  .faq-item[open] summary{color:var(--brand);}
  .faq-answer{
    padding:0 22px 20px 58px;
    color:var(--text-dim);
    font-size:15px;
    background:rgba(0,0,0,.18);
    padding-top:16px;
    margin-top:-2px;
  }
  .faq-answer p{margin:0;}

  /* ---------- CTA 条 ---------- */
  .cta-bar{
    margin-top:92px;
    border-radius:var(--radius-l);
    border:1px solid var(--line);
    background:linear-gradient(120deg,rgba(22,224,168,.10),rgba(15,26,43,.7) 42%,rgba(255,138,61,.08));
    backdrop-filter:blur(14px) saturate(1.2);
    box-shadow:var(--shadow-card);
    padding:34px 36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    position:relative;
    overflow:hidden;
    scroll-margin-top:100px;
  }
  .cta-bar::after{
    content:"";
    position:absolute;
    top:-60%;right:-10%;
    width:420px;height:220%;
    background:linear-gradient(90deg,transparent,rgba(22,224,168,.14),transparent);
    transform:rotate(18deg);
    pointer-events:none;
  }
  .cta-bar h2{font-size:26px;margin-bottom:8px;}
  .cta-bar p{color:var(--text-dim);margin:0;font-size:15px;max-width:560px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:96px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(7,12,22,.95));
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:36px;
    padding:56px 0 34px;
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:16px;
    font-weight:700;
    color:#F3F8FF;
    margin-bottom:16px;
  }
  .footer-about{color:var(--text-dim);font-size:14px;max-width:340px;margin:0;}
  .footer-col h4{
    font-size:14px;
    color:var(--brand);
    font-weight:600;
    letter-spacing:.6px;
    margin-bottom:16px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{color:var(--text-dim);font-size:14px;transition:color .18s ease-out;}
  .footer-col a:hover{color:#fff;}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    padding:20px 0 26px;
    border-top:1px solid rgba(255,255,255,.08);
    color:var(--text-dim);
    font-size:13px;
  }

  /* ---------- 移动底部 Tab ---------- */
  .tabbar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    display:none;
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(9,15,27,.92);
    backdrop-filter:blur(14px) saturate(1.2);
    border-top:1px solid var(--line);
  }
  .tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:60px;}
  .tab-item{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    font-size:11.5px;
    color:var(--text-dim);
    transition:color .18s ease-out;
  }
  .tab-item svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .tab-item.is-active{color:var(--brand);}
  .tab-item:active{transform:scale(.96);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .nav-desktop{display:none;}
    .menu-toggle{display:grid;}
    .steps-layout{grid-template-columns:1fr;gap:30px;}
    .steps-nav{position:relative;top:0;}
    .steps-nav ol{
      flex-direction:row;
      overflow-x:auto;
      gap:8px;
      padding-bottom:6px;
      scrollbar-width:thin;
    }
    .steps-nav ol li{flex:0 0 auto;}
    .steps-nav a{white-space:nowrap;border-left:none;border-bottom:2px solid transparent;border-radius:10px;}
    .steps-nav a.is-current{border-left:none;border-bottom-color:var(--brand);}
    .steps-nav a:hover{padding-left:10px;}
    .check-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:768px){
    .section{padding:60px 0 0;}
    .container{padding:0 16px;}
    .page-hero{min-height:280px;margin-top:18px;}
    .hero-inner{padding:28px 22px;}
    .hero-inner h1{font-size:32px;}
    .hero-lead{font-size:15px;}
    .step-body{padding-left:0;}
    .step-block::before{display:none;}
    .step-head h2{font-size:21px;padding-top:10px;}
    .section-title{font-size:24px;}
    .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;margin-top:64px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .check-grid{grid-template-columns:1fr;}
    .glass-table thead{display:none;}
    .glass-table tr{display:block;border-bottom:1px solid rgba(255,255,255,.08);}
    .glass-table tr:last-child{border-bottom:none;}
    .glass-table td{display:block;border:none;padding:8px 18px;}
    .glass-table td:first-child{padding-top:16px;}
    .glass-table td:last-child{padding-bottom:16px;}
    .faq-item summary{font-size:15.5px;padding:16px 18px;}
    .faq-answer{padding:14px 18px 18px 18px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;padding:42px 0 26px;}
    .tabbar{display:block;}
  }
  @media (max-width:480px){
    .hero-inner h1{font-size:29px;}
    .stat-pill{padding:8px 12px;}
    .stat-pill b{font-size:19px;}
    .step-num{flex-basis:40px;width:40px;height:40px;font-size:15px;}
  }
  @media (max-width:390px){
    .brand-text{font-size:14px;}
    .hero-inner h1{font-size:26px;}
  }

/* roulang page: article */
:root{
  --bg:#070C16;
  --bg-deep:#050910;
  --panel:rgba(255,255,255,.04);
  --panel-2:#0F1A2B;
  --panel-3:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --text:#E6EDF6;
  --text-dim:#93A4BC;
  --text-mute:#6E7F98;
  --brand:#16E0A8;
  --brand-2:#0FBF8E;
  --accent:#FF8A3D;
  --danger:#FF7A7A;
  --glow:0 0 0 1px rgba(22,224,168,.35), 0 12px 32px rgba(22,224,168,.22);
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --container:1240px;
  --tab-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 12%,rgba(0,0,0,.85),transparent 70%);
  mask-image:radial-gradient(circle at 50% 12%,rgba(0,0,0,.85),transparent 70%);
  opacity:.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input{font:inherit}
::selection{background:rgba(22,224,168,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,22,.72);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(9,15,27,.86);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.35);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand) 0%,#0B8C6C 100%);
  color:#04120D;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(22,224,168,.4),0 8px 20px rgba(22,224,168,.22);
}
.brand-text{font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand)}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-s);
  font-size:15px;color:var(--text-dim);transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:var(--panel)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);flex-direction:column;justify-content:center;align-items:center;gap:5px;
  transition:border-color .2s ease,background .2s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s ease,opacity .24s ease}
.menu-toggle:hover{border-color:rgba(22,224,168,.4)}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:70;display:none;
  background:rgba(4,8,16,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:24px;
  opacity:0;pointer-events:none;transition:opacity .24s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--panel);font-size:20px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:16px 18px;border-radius:var(--radius-m);border:1px solid var(--line-soft);
  background:var(--panel);font-size:17px;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
  transition:border-color .2s ease,transform .2s ease;
}
.drawer-nav a::after{content:"›";color:var(--text-mute);font-size:20px}
.drawer-nav a:hover{border-color:rgba(22,224,168,.4);transform:translateX(2px)}
.drawer-nav a.is-active{color:var(--brand);border-color:rgba(22,224,168,.4)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-primary{background:var(--brand);color:#04150F;box-shadow:var(--glow)}
.btn-primary:hover{background:#2BEBB6;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,168,.5),0 16px 38px rgba(22,224,168,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(22,224,168,.35),0 8px 18px rgba(22,224,168,.2)}
.btn-secondary{background:var(--panel);border-color:var(--line);color:var(--text);backdrop-filter:blur(10px)}
.btn-secondary:hover{border-color:rgba(22,224,168,.45);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--text-dim);padding:0 4px;height:auto}
.btn-ghost::after{content:"";display:block;width:0;height:1px;background:var(--brand);transition:width .22s ease}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover::after{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.42;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1.7;
  border:1px solid var(--line);color:var(--text-dim);background:var(--panel);
  white-space:nowrap;
}
.badge-brand{color:var(--brand);border-color:rgba(22,224,168,.38);background:rgba(22,224,168,.08)}
.badge-accent{color:var(--accent);border-color:rgba(255,138,61,.4);background:rgba(255,138,61,.08)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.badge-dot.is-live{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(1.35)}}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.30;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.55) 0%,rgba(7,12,22,.86) 58%,var(--bg) 100%);
}
.article-hero .container{padding-top:44px;padding-bottom:52px;position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-mute);margin-bottom:22px}
.breadcrumb a{color:var(--text-dim);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:44px;line-height:1.18;font-weight:700;letter-spacing:-.5px;color:#fff;
  max-width:900px;
}
.hero-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:13px;color:var(--text-mute);
}
.meta-bar .meta-sep{width:1px;height:12px;background:rgba(255,255,255,.16)}
.meta-bar strong{color:var(--text-dim);font-weight:500}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 260px;
  gap:56px;justify-content:center;align-items:start;
  padding-top:56px;padding-bottom:88px;
}
.article-main{min-width:0}

/* ---------- prose ---------- */
.prose{font-size:16px;line-height:1.9;color:#D8E2EF;max-width:760px}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.6em}
.prose h2{
  position:relative;margin:2.2em 0 .85em;padding-left:16px;
  font-size:26px;line-height:1.35;font-weight:700;color:#fff;scroll-margin-top:96px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:18px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(22,224,168,.6);
}
.prose h3{margin:1.8em 0 .6em;font-size:20px;line-height:1.5;font-weight:600;color:#fff;scroll-margin-top:96px}
.prose h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--text)}
.prose a{color:var(--brand);border-bottom:1px solid rgba(22,224,168,.4);transition:border-color .2s ease,color .2s ease}
.prose a:hover{color:#5CF2C6;border-bottom-color:#5CF2C6}
.prose strong{color:#fff;font-weight:600}
.prose ul,.prose ol{margin:0 0 1.6em;padding-left:1.5em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--brand)}
.prose ol li::marker{color:var(--brand);font-variant-numeric:tabular-nums}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid var(--brand);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  background:rgba(255,255,255,.045);color:#C7D4E4;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{width:100%;height:auto;border-radius:var(--radius-m);margin:1.6em 0;background:rgba(255,255,255,.04)}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13px;color:var(--text-mute);text-align:center;margin-top:10px}
.prose table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  background:rgba(255,255,255,.03);border:1px solid var(--line-soft);
  border-radius:var(--radius-m);overflow:hidden;
}
.prose th{text-align:left;color:var(--brand);font-weight:600;padding:13px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.prose td{padding:13px 16px;border-bottom:1px solid rgba(255,255,255,.055);color:var(--text-dim)}
.prose tr:last-child td{border-bottom:0}
.prose hr{border:0;height:1px;background:var(--line-soft);margin:2.4em 0}

/* ---------- toc ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.toc-panel{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);padding:20px 18px;
  position:relative;overflow:hidden;
}
.toc-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.toc-title{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-link{
  display:flex;gap:10px;align-items:flex-start;
  padding:8px 10px;border-radius:var(--radius-s);font-size:13.5px;line-height:1.6;
  color:var(--text-dim);border-left:2px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--text);background:var(--panel)}
.toc-link.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(22,224,168,.07)}
.toc-num{font-variant-numeric:tabular-nums;color:var(--text-mute);font-size:12px;padding-top:2px}
.toc-link.is-current .toc-num{color:var(--brand)}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--panel);padding:20px 18px;
}
.side-card h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:8px}
.side-card p{font-size:13.5px;color:var(--text-dim);line-height:1.8;margin-bottom:14px}
.side-card .btn{width:100%}

/* mobile toc */
.toc-mobile{display:none;margin-bottom:26px;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--panel);overflow:hidden}
.toc-mobile-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;font-size:14px;font-weight:600;color:var(--text);
}
.toc-mobile-head span:last-child{color:var(--brand);font-size:12px}
.toc-mobile-body{display:flex;flex-direction:column;gap:2px;padding:0 12px 12px;max-height:0;overflow:hidden;transition:max-height .3s ease}
.toc-mobile.is-open .toc-mobile-body{max-height:420px;overflow-y:auto}

/* ---------- empty ---------- */
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-l);
  background:var(--panel);padding:48px 32px;text-align:center;
}
.empty-state h2{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px}
.empty-state p{color:var(--text-dim);font-size:15px;margin-bottom:22px}

/* ---------- cta bar ---------- */
.cta-bar{
  margin-top:56px;border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(120deg,rgba(22,224,168,.12),rgba(255,255,255,.03) 55%,rgba(255,138,61,.08));
  padding:28px;display:flex;align-items:center;gap:24px;justify-content:space-between;flex-wrap:wrap;
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;top:-40%;right:-10%;width:280px;height:280px;
  background:radial-gradient(circle,rgba(255,138,61,.16),transparent 68%);pointer-events:none;
}
.cta-bar h2{font-size:21px;font-weight:700;color:#fff;margin-bottom:8px}
.cta-bar p{font-size:14.5px;color:var(--text-dim);max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

.back-line{margin-top:28px;font-size:14px;color:var(--text-mute)}
.back-line a{color:var(--brand);border-bottom:1px solid rgba(22,224,168,.4)}
.back-line a:hover{border-bottom-color:var(--brand)}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-title{position:relative;padding-left:16px;font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.4px;color:#fff}
.section-title::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;background:var(--brand);box-shadow:0 0 14px rgba(22,224,168,.55)}
.section-sub{font-size:14.5px;color:var(--text-dim);margin-top:10px;max-width:640px}
.link-more{font-size:14px;color:var(--brand);border-bottom:1px solid rgba(22,224,168,.4);padding-bottom:2px;transition:color .2s ease}
.link-more:hover{color:#5CF2C6}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(22,224,168,.35);box-shadow:0 24px 48px rgba(0,0,0,.5)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.04)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16.5px;line-height:1.55;font-weight:600;color:var(--text);transition:color .2s ease}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-meta{font-size:12.5px;color:var(--text-mute);margin-top:auto;display:flex;gap:10px;align-items:center}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--panel);overflow:hidden;transition:border-color .22s ease}
.faq-item.is-open{border-color:rgba(22,224,168,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:13px;color:var(--text-mute);transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand);border-color:var(--brand);color:#04150F}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 20px 20px 56px;font-size:14.5px;color:var(--text-dim);line-height:1.9;background:rgba(0,0,0,.18)}
.faq-a-inner p{margin:0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line-soft);background:var(--bg-deep);padding:64px 0 28px;margin-top:0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;margin-bottom:16px}
.footer-about{font-size:13.5px;line-height:1.9;color:var(--text-mute);max-width:380px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-dim);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-mute);
}

/* ---------- mobile tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:65;
  height:calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,15,27,.94);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-top:1px solid var(--line);
  align-items:stretch;
}
.mobile-tab a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-mute);transition:color .2s ease;
}
.mobile-tab a i{font-size:17px;line-height:1;font-style:normal}
.mobile-tab a:hover,.mobile-tab a.is-active{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:40px}
}
@media (max-width:1024px){
  .nav-desktop{display:none}
  .menu-toggle{display:flex}
  .drawer{display:block}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:44px}
  .article-side{display:none}
  .toc-mobile{display:block}
  .article-hero h1{font-size:36px}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-wrap{height:64px}
  .brand-text{font-size:14.5px}
  .nav-actions .btn{display:none}
  .article-hero .container{padding-top:28px;padding-bottom:36px}
  .article-hero h1{font-size:30px;line-height:1.25}
  .prose{font-size:15.5px}
  .prose h2{font-size:22px}
  .prose h3{font-size:18px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .cta-bar{padding:22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-about{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  body{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom))}
  .mobile-tab{display:flex}
  .faq-a-inner{padding-left:20px}
}
@media (max-width:480px){
  .article-hero h1{font-size:26px}
  .meta-bar{font-size:12.5px;gap:8px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:390px){
  .brand-text{font-size:13.5px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .article-hero h1{font-size:24px}
}

/* roulang page: category3 */
:root{
  --bg:#070C16;
  --bg-deep:#050910;
  --panel:rgba(255,255,255,.04);
  --panel-2:#0F1A2B;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.14);
  --text:#E6EDF6;
  --text-dim:#93A4BC;
  --brand:#16E0A8;
  --brand-2:#0FB98A;
  --accent:#FF8A3D;
  --disabled:#4A5568;
  --glow:0 0 0 1px rgba(22,224,168,.35),0 12px 32px rgba(22,224,168,.22);
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 18% 8%,rgba(22,224,168,.10),transparent 46%),
    radial-gradient(circle at 82% 0%,rgba(255,138,61,.06),transparent 42%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 78px);
  opacity:.9;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.3px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:88px 0;position:relative;z-index:1}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  font-size:32px;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  width:4px;height:26px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(22,224,168,.15));
  display:inline-block;
  flex:0 0 auto;
}
.section-sub{color:var(--text-dim);font-size:15.5px;margin:0;max-width:660px}
small,.meta{font-size:13px;color:var(--text-dim)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,14,26,.88);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  font-weight:800;
  font-size:17px;
  color:#04140F;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  box-shadow:var(--glow);
  letter-spacing:0;
}
.brand-text{
  font-size:16.5px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--brand);font-weight:600}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-dim);
  font-weight:500;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--brand);background:rgba(22,224,168,.09)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{
  background:linear-gradient(180deg,#22ECB4,var(--brand-2));
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04140F;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(22,224,168,.5),0 18px 40px rgba(22,224,168,.3);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);box-shadow:0 0 0 1px rgba(22,224,168,.3),0 8px 18px rgba(22,224,168,.2)}
.btn-line{
  border-color:var(--line-strong);
  background:var(--panel);
  color:var(--text);
  backdrop-filter:blur(14px);
}
.btn-line:hover{border-color:rgba(22,224,168,.5);color:var(--text);transform:translateY(-2px)}
.btn-line:active{transform:translateY(0)}
.btn-ghost{
  color:var(--brand);
  padding:0 4px;
  height:auto;
  border-radius:6px;
  position:relative;
}
.btn-ghost::after{
  content:"";
  position:absolute;
  left:4px;right:4px;bottom:2px;
  height:1px;
  background:currentColor;
  transform:scaleX(.35);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn[disabled],.btn.is-disabled{
  color:rgba(230,237,246,.4);
  background:rgba(74,85,104,.35);
  box-shadow:none;
  pointer-events:none;
}

/* ============ 汉堡 / 抽屉 ============ */
.menu-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:var(--panel);
  padding:0 11px;
  flex-direction:column;
  justify-content:center;
  gap:5px;
}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(340px,86vw);
  height:100%;
  background:linear-gradient(180deg,#0B1220,#070C16);
  border-left:1px solid var(--line);
  padding:26px 22px calc(34px + env(safe-area-inset-bottom));
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .24s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--text-dim);letter-spacing:.14em;margin:6px 0 10px}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 14px;
  border-radius:12px;
  border:1px solid transparent;
  background:var(--panel);
  font-size:15.5px;
  color:var(--text);
}
.drawer-link:hover{border-color:rgba(22,224,168,.35)}
.drawer-link.is-active{color:var(--brand);border-color:rgba(22,224,168,.4);background:rgba(22,224,168,.08)}
.drawer-link span.arw{color:var(--text-dim);font-size:14px}
.drawer-cta{margin-top:14px}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:66px 0 74px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.34;
  transform:scale(1.03);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,12,22,.96) 0%,rgba(7,12,22,.86) 44%,rgba(7,12,22,.6) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-dim);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .cur{color:var(--text)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:500;
  border:1px solid var(--line-strong);
  color:var(--text-dim);
  background:rgba(255,255,255,.03);
  letter-spacing:.02em;
}
.badge-live{border-color:rgba(255,138,61,.5);color:var(--accent)}
.badge-live .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  animation:pulse 1.6s var(--ease) infinite;
}
.badge-today{border-color:rgba(22,224,168,.45);color:var(--brand)}
.badge-replay{border-color:rgba(255,255,255,.12);color:var(--text-dim)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.78)}}
.page-hero h1{
  font-size:50px;
  line-height:1.15;
  margin:18px 0 16px;
  letter-spacing:-1px;
}
.page-hero h1 .hl{
  color:var(--brand);
  background:linear-gradient(180deg,transparent 66%,rgba(22,224,168,.18) 66%);
}
.hero-lead{
  font-size:16.5px;
  color:#C4D2E4;
  max-width:640px;
  margin-bottom:26px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-stats{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:36px;
}
.stat-pill{
  border:1px solid var(--line);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-radius:var(--radius-m);
  padding:12px 20px;
  min-width:150px;
  position:relative;
  overflow:hidden;
}
.stat-pill::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.16),transparent);
}
.stat-pill b{
  display:block;
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  letter-spacing:-.4px;
  color:var(--brand);
  line-height:1.3;
}
.stat-pill span{font-size:13px;color:var(--text-dim)}

/* ============ 步骤条 ============ */
.steps-wrap{position:relative}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  top:52px;
  left:6%;
  right:6%;
  height:2px;
  background:repeating-linear-gradient(90deg,rgba(22,224,168,.42) 0 10px,transparent 10px 20px);
  z-index:0;
}
.step{
  position:relative;
  z-index:1;
  padding:0 0 4px;
}
.step-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:18px;
}
.step-num{
  width:56px;height:56px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:19px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:#04140F;
  background:linear-gradient(150deg,var(--brand),var(--brand-2));
  box-shadow:0 0 0 6px rgba(7,12,22,.9),0 10px 26px rgba(22,224,168,.22);
}
.step-card{
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
  height:100%;
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.35)}
.step-media{
  position:relative;
  aspect-ratio:16/9;
  background:linear-gradient(140deg,#0F1A2B,#0A1220);
  overflow:hidden;
}
.step-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.step-card:hover .step-media img{transform:scale(1.04)}
.step-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(7,12,22,.72) 100%);
}
.step-body{padding:20px}
.step-body h3{font-size:19px;margin-bottom:10px;font-weight:600}
.step-body p{font-size:14.5px;color:var(--text-dim);line-height:1.8;margin:0}
.step-tag{
  font-size:12.5px;
  color:var(--brand);
  border:1px solid rgba(22,224,168,.35);
  border-radius:999px;
  padding:3px 11px;
  white-space:nowrap;
  background:rgba(22,224,168,.06);
}

/* ============ 速查面板 ============ */
.spec-panel{
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.spec-panel::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.18),transparent 60%);
}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.spec-item{
  background:rgba(15,26,43,.72);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:18px;
}
.spec-item b{
  display:block;
  font-size:22px;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.3px;
  margin-bottom:4px;
}
.spec-item h3{font-size:15.5px;font-weight:600;margin-bottom:8px}
.spec-item p{font-size:13.6px;color:var(--text-dim);margin:0;line-height:1.75}

/* ============ 场景分栏 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:26px;
  align-items:stretch;
}
.scene-main{
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  background:var(--panel);
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
}
.scene-main .scene-img{aspect-ratio:21/9;background:#0A1220;overflow:hidden}
.scene-main .scene-img img{width:100%;height:100%;object-fit:cover}
.scene-main .scene-body{padding:26px}
.scene-main h3{font-size:21px;margin-bottom:12px}
.scene-main p{color:var(--text-dim);font-size:15px}
.chip-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}
.chip{
  font-size:12.5px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--text-dim);
  background:rgba(255,255,255,.03);
}
.chip.is-brand{border-color:rgba(22,224,168,.4);color:var(--brand);background:rgba(22,224,168,.07)}
.scene-side{display:flex;flex-direction:column;gap:18px}
.mini-card{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border-radius:var(--radius-l);
  padding:22px;
  display:flex;
  gap:16px;
  align-items:flex-start;
  box-shadow:var(--shadow-soft);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
  flex:1;
}
.mini-card:hover{border-color:rgba(22,224,168,.35);transform:translateY(-3px)}
.mini-card .ic{
  width:40px;height:40px;
  flex:0 0 auto;
  border-radius:12px;
  display:grid;place-items:center;
  color:var(--brand);
  background:rgba(22,224,168,.1);
  border:1px solid rgba(22,224,168,.25);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.mini-card h3{font-size:16.5px;font-weight:600;margin-bottom:7px}
.mini-card p{font-size:14px;color:var(--text-dim);margin:0;line-height:1.78}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item[open]{border-color:rgba(22,224,168,.35);background:rgba(22,224,168,.05)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:16.5px;
  font-weight:600;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item .qi{
  width:26px;height:26px;
  flex:0 0 auto;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  border:1px solid var(--line-strong);
  color:var(--text-dim);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item[open] .qi{background:var(--brand);border-color:var(--brand);color:#04140F}
.faq-item .arrow{margin-left:auto;color:var(--text-dim);font-size:14px;transition:transform .24s var(--ease)}
.faq-item[open] .arrow{transform:rotate(180deg);color:var(--brand)}
.faq-body{
  padding:0 22px 20px 62px;
  color:var(--text-dim);
  font-size:15px;
  line-height:1.85;
  background:rgba(7,12,22,.45);
  padding-top:16px;
  margin-top:-1px;
  border-top:1px solid rgba(255,255,255,.06);
}

/* ============ CTA ============ */
.cta-bar{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);
}
.cta-bar::before{
  content:"";
  position:absolute;
  top:-40%;left:-10%;
  width:70%;height:180%;
  background:linear-gradient(90deg,rgba(22,224,168,.14),transparent 70%);
  transform:skewX(-18deg);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{font-size:26px;margin-bottom:10px}
.cta-copy p{color:var(--text-dim);font-size:15px;margin:0}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap}

/* ============ 互链 ============ */
.link-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.link-card{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:var(--radius-m);
  padding:20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.link-card:hover{border-color:rgba(22,224,168,.4);transform:translateY(-3px);background:rgba(22,224,168,.06)}
.link-card b{display:block;font-size:16px;font-weight:600;margin-bottom:4px}
.link-card span{font-size:13px;color:var(--text-dim)}
.link-card .arw{color:var(--brand);font-size:18px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),transparent 40%),var(--bg-deep);
  padding:56px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:34px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-size:16.5px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-about{color:var(--text-dim);font-size:14px;line-height:1.85;max-width:340px;margin:0}
.footer-col h4{
  font-size:14px;
  color:var(--brand);
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:var(--text-dim);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  color:var(--text-dim);
  font-size:13px;
}

/* ============ 移动底部 Tab ============ */
.tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:65;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,14,26,.94);
  backdrop-filter:blur(16px) saturate(1.2);
  -webkit-backdrop-filter:blur(16px) saturate(1.2);
  border-top:1px solid var(--line);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:60px}
.tab-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11.5px;
  color:var(--text-dim);
  transition:color .18s var(--ease);
}
.tab-item svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--brand)}
.tab-item:active{opacity:.7}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .page-hero h1{font-size:44px}
  .steps{gap:18px}
}
@media (max-width:1024px){
  .nav-desktop{display:none}
  .menu-toggle{display:flex}
  .nav-actions .btn-primary{display:none}
  .nav-wrap{height:66px;justify-content:space-between}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .link-strip{grid-template-columns:1fr}
  .section{padding:72px 0}
  .page-hero{padding:52px 0 60px}
  .page-hero h1{font-size:38px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15.5px;padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .container{padding:0 16px}
  .tabbar{display:block}
  .section{padding:54px 0}
  .section-head h2{font-size:24px}
  .page-hero{padding:40px 0 46px}
  .page-hero h1{font-size:31px;letter-spacing:-.4px}
  .hero-lead{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:10px}
  .stat-pill{flex:1 1 calc(50% - 5px);min-width:0;padding:12px 16px}
  .steps{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
  .spec-panel{padding:20px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-body{padding-left:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .scene-main .scene-body{padding:20px}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px}
  .step-num{width:48px;height:48px;font-size:17px}
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
  .stat-pill b{font-size:20px}
}
@media (max-width:390px){
  .page-hero h1{font-size:24px}
  .hero-cta{gap:10px}
  .tab-item{font-size:11px}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root{
  --bg:#070C16;
  --bg-deep:#05080F;
  --panel:rgba(255,255,255,.045);
  --panel-2:#0F1A2B;
  --panel-3:#0B1220;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E6EDF6;
  --text-dim:#93A4BC;
  --text-mute:#6C7C93;
  --brand:#16E0A8;
  --brand-2:#0FB98C;
  --brand-soft:rgba(22,224,168,.12);
  --accent:#FF8A3D;
  --accent-soft:rgba(255,138,61,.14);
  --danger:#F2705E;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(22,224,168,.28),0 12px 32px rgba(22,224,168,.2);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(22,224,168,.10), transparent 62%),
    radial-gradient(720px 460px at 6% 4%, rgba(255,138,61,.06), transparent 60%),
    linear-gradient(180deg, rgba(7,12,22,0) 60%, rgba(5,8,15,.9) 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.05;
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.6) 0 1px, transparent 1px 46px);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:-.4px;}
p{margin:0 0 1.6em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(22,224,168,.28);color:#fff;}

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

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
  background:transparent;
  color:var(--text);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{
  background:linear-gradient(180deg,#1BF0B4,#12C795);
  color:#04241B;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:linear-gradient(180deg,#3CF7C3,#15D7A2);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,168,.45),0 18px 40px rgba(22,224,168,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(22,224,168,.35),0 8px 20px rgba(22,224,168,.2);}
.btn-outline{
  border-color:var(--line-strong);
  background:var(--panel);
  color:var(--text);
  backdrop-filter:blur(14px) saturate(1.2);
}
.btn-outline:hover{border-color:rgba(22,224,168,.6);color:#fff;transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{
  height:auto;
  padding:2px 0;
  color:var(--brand);
  font-weight:600;
  border-radius:0;
  position:relative;
}
.btn-ghost::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.btn-ghost:hover::after{transform:scaleX(1);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none;}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  line-height:1.6;
  border:1px solid var(--line);
  color:var(--text-dim);
  background:rgba(255,255,255,.03);
  font-variant-numeric:tabular-nums;
}
.badge-live{border-color:rgba(255,138,61,.45);color:#FFB27A;background:var(--accent-soft);}
.badge-live .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  animation:breathe 1.6s ease-in-out infinite;
}
.badge-today{border-color:rgba(22,224,168,.4);color:#5CF0C8;background:var(--brand-soft);}
.badge-gray{color:var(--text-mute);}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.78);}}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,22,.62);
  border-bottom:1px solid transparent;
  transition:background-color .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,15,26,.82);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--text);
}
.brand-mark{
  width:34px;height:34px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,#16E0A8,#0B7F63);
  color:#04241B;
  font-size:16px;
  font-weight:800;
  box-shadow:0 8px 20px rgba(22,224,168,.28);
  flex:0 0 auto;
}
.brand-text em{
  font-style:normal;
  color:var(--brand);
  margin-left:2px;
}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-dim);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  cursor:pointer;
  padding:0;
  position:relative;
}
.menu-toggle span{
  position:absolute;
  left:11px;right:11px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .24s var(--ease),opacity .24s var(--ease),top .24s var(--ease);
}
.menu-toggle span:nth-child(1){top:14px;}
.menu-toggle span:nth-child(2){top:20px;}
.menu-toggle span:nth-child(3){top:26px;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(4px);
  z-index:70;
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(360px,86vw);
  height:100%;
  z-index:80;
  background:linear-gradient(180deg,#0B1220,#070C16);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  padding:24px 22px 40px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);cursor:pointer;font-size:16px;
}
.drawer-close:hover{border-color:rgba(22,224,168,.5);color:var(--brand);}
.drawer nav{display:flex;flex-direction:column;gap:6px;}
.drawer nav a{
  padding:13px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--text-dim);
  border:1px solid transparent;
  display:flex;align-items:center;gap:10px;
  transition:.18s var(--ease);
}
.drawer nav a i{width:18px;text-align:center;font-size:14px;color:var(--text-mute);}
.drawer nav a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.drawer nav a.is-active{color:var(--brand);background:var(--brand-soft);border-color:rgba(22,224,168,.28);font-weight:600;}
.drawer nav a.is-active i{color:var(--brand);}
.drawer-cta{margin-top:22px;}

/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center 32%;
  filter:saturate(.9);
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,12,22,.96) 6%,rgba(7,12,22,.82) 48%,rgba(7,12,22,.55) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:88px 0 76px;
  max-width:760px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(22,224,168,.3);
  background:rgba(22,224,168,.08);
  color:#63EFC9;
  font-size:13px;
  font-weight:500;
  margin-bottom:22px;
}
.eyebrow i{font-size:12px;}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.15;
  margin-bottom:20px;
}
.hero h1 span{
  display:block;
  font-size:clamp(15px,1.4vw,18px);
  font-weight:600;
  color:var(--brand);
  letter-spacing:0;
  margin-bottom:12px;
}
.hero-lead{
  font-size:17px;
  color:var(--text-dim);
  max-width:640px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:34px;
}

/* ===== 板块通用 ===== */
.section{padding:88px 0;position:relative;z-index:1;}
.section-sm{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  display:flex;
  align-items:center;
  gap:14px;
}
.section-head h2::before{
  content:"";
  width:4px;height:26px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(22,224,168,.15));
  flex:0 0 auto;
}
.section-head p{
  color:var(--text-dim);
  font-size:15px;
  margin:10px 0 0 18px;
  max-width:640px;
}
.section-more{
  font-size:14px;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s var(--ease);
}
.section-more:hover{gap:10px;}

/* ===== 玻璃提示条 ===== */
.glass-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.strip-item{
  position:relative;
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(1.2);
  padding:22px;
  overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.strip-item::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.22),transparent);
}
.strip-item:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.32);}
.strip-item i{
  display:grid;place-items:center;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:15px;
  margin-bottom:14px;
}
.strip-item h3{font-size:16px;margin-bottom:8px;}
.strip-item p{font-size:14px;color:var(--text-dim);line-height:1.8;margin:0;}

/* ===== 时间轴 ===== */
.timeline-wrap{position:relative;padding:8px 0 4px;}
.timeline{position:relative;}
.timeline::before{
  content:"";
  position:absolute;
  top:6px;bottom:6px;
  left:50%;
  width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(22,224,168,.55),rgba(22,224,168,.16) 55%,rgba(255,255,255,.06));
  border-radius:2px;
}
.tl-item{
  position:relative;
  width:50%;
  padding-right:52px;
  margin-bottom:26px;
}
.tl-item:nth-child(even){
  margin-left:50%;
  padding-right:0;
  padding-left:52px;
}
.tl-dot{
  position:absolute;
  top:22px;
  right:-19px;
  width:38px;height:38px;
  border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(180deg,#0F1A2B,#0A1320);
  border:1px solid rgba(22,224,168,.45);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(7,12,22,.9),0 0 22px rgba(22,224,168,.22);
  z-index:2;
}
.tl-item:nth-child(even) .tl-dot{
  right:auto;
  left:-19px;
}
.tl-card{
  position:relative;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018)),rgba(15,26,43,.6);
  backdrop-filter:blur(14px) saturate(1.2);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.tl-card::before{
  content:"";
  position:absolute;top:0;left:22px;right:22px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.2),transparent);
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.32);}
.tl-top{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:12px;
}
.tl-card h3{font-size:19px;margin-bottom:10px;}
.tl-card p{font-size:14.5px;color:var(--text-dim);margin:0 0 14px;}
.tl-list{display:flex;flex-direction:column;gap:8px;}
.tl-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-dim);
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  opacity:.8;
}
.tl-media{
  margin-top:16px;
  border-radius:var(--radius-m);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--panel-2);
  border:1px solid var(--line);
}
.tl-media img{width:100%;height:100%;object-fit:cover;}

/* ===== 风险信号速查 ===== */
.risk-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:18px;
  align-items:start;
}
.risk-card{
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015)),rgba(11,18,32,.6);
  backdrop-filter:blur(14px) saturate(1.2);
  padding:24px;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.risk-card:hover{transform:translateY(-3px);border-color:rgba(255,138,61,.35);}
.risk-card.tall{padding:30px 26px;}
.risk-card i{
  display:grid;place-items:center;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:16px;
  margin-bottom:16px;
}
.risk-card h3{font-size:18px;margin-bottom:10px;}
.risk-card p{font-size:14.5px;color:var(--text-dim);margin:0;}
.risk-tag{
  display:inline-block;
  margin-top:16px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--text-mute);
  border:1px solid var(--line);
}

/* ===== 图文区块 ===== */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel-2);
  aspect-ratio:4/3;
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split h2{
  font-size:clamp(24px,3vw,30px);
  margin-bottom:18px;
  display:flex;align-items:center;gap:14px;
}
.split h2::before{
  content:"";width:4px;height:24px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(22,224,168,.15));
}
.split p{color:var(--text-dim);font-size:15.5px;}
.checklist{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-dim);
}
.checklist li i{
  color:var(--brand);
  font-size:13px;
  margin-top:7px;
  flex:0 0 auto;
}
.checklist li strong{color:var(--text);font-weight:600;}

/* ===== 数据条 ===== */
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:8px;
}
.stat{
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:var(--panel);
  backdrop-filter:blur(14px) saturate(1.2);
  padding:20px 22px;
}
.stat b{
  display:block;
  font-size:30px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
  color:var(--brand);
  line-height:1.2;
}
.stat span{font-size:13.5px;color:var(--text-mute);}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015)),rgba(15,26,43,.55);
  backdrop-filter:blur(14px) saturate(1.2);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item[open]{border-color:rgba(22,224,168,.34);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-ico{
  width:28px;height:28px;
  flex:0 0 auto;
  border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--text-mute);
  font-size:13px;
  transition:.2s var(--ease);
}
.faq-item[open] summary .q-ico{
  background:var(--brand);
  border-color:var(--brand);
  color:#04241B;
}
.faq-item summary .arrow{
  margin-left:auto;
  color:var(--text-mute);
  font-size:13px;
  transition:transform .22s var(--ease);
}
.faq-item[open] summary .arrow{transform:rotate(180deg);color:var(--brand);}
.faq-body{
  padding:0 22px 20px 64px;
  color:var(--text-dim);
  font-size:14.8px;
  background:rgba(7,12,22,.45);
  margin:0;
}
.faq-body p{margin:0;padding-top:2px;}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;
  border-radius:var(--radius-l);
  border:1px solid rgba(22,224,168,.24);
  background:linear-gradient(120deg,rgba(15,26,43,.9),rgba(11,18,32,.75));
  overflow:hidden;
  padding:38px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:-60%;
  right:-10%;
  width:520px;
  height:520px;
  background:linear-gradient(115deg,rgba(22,224,168,.16),transparent 62%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.4vw,27px);margin-bottom:10px;}
.cta-band p{color:var(--text-dim);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ===== 相关分类 ===== */
.rel-links{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.rel-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 20px;
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text-dim);
  font-size:15px;
  transition:transform .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.rel-link:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.35);color:var(--text);}
.rel-link i{color:var(--brand);font-size:13px;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:24px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(5,8,15,.95));
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;margin-bottom:16px;
}
.footer-about{color:var(--text-mute);font-size:14px;line-height:1.9;margin:0;max-width:380px;}
.footer-col h4{
  font-size:14px;
  color:var(--brand);
  margin-bottom:16px;
  font-weight:600;
  letter-spacing:0;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-dim);
  transition:color .18s var(--ease);
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:var(--text-mute);
  font-variant-numeric:tabular-nums;
}

/* ===== 移动端底部 Tab ===== */
.tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:65;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,15,26,.92);
  backdrop-filter:blur(14px) saturate(1.2);
  border-top:1px solid var(--line);
}
.tabbar-inner{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  height:60px;
}
.tab-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--text-mute);
  transition:color .18s var(--ease);
}
.tab-item i{font-size:17px;}
.tab-item:hover,.tab-item.is-active{color:var(--brand);}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav-desktop{display:none;}
  .menu-toggle{display:block;}
  .nav-wrap{height:66px;}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:30px;}
  .risk-grid{grid-template-columns:1fr 1fr;}
  .risk-card.tall{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .glass-strip{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .tabbar{display:block;}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
  .site-footer{padding-bottom:40px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .hero-inner{padding:60px 0 52px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head p{margin-left:0;}
  .section-head h2::before{height:22px;}
  .timeline::before{left:18px;transform:none;}
  .tl-item,
  .tl-item:nth-child(even){
    width:100%;
    margin-left:0;
    padding-left:52px;
    padding-right:0;
  }
  .tl-dot,
  .tl-item:nth-child(even) .tl-dot{
    left:18px;
    right:auto;
    transform:translateX(-50%);
  }
  .risk-grid{grid-template-columns:1fr;}
  .risk-card.tall{grid-column:span 1;padding:24px;}
  .stats{grid-template-columns:1fr;gap:12px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .rel-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-body{padding-left:22px;}
  .brand-text{font-size:15px;}
}
@media (max-width:480px){
  .hero h1{font-size:29px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{height:46px;}
  .btn-sm{height:40px;}
  .tl-card{padding:20px 18px;}
  .tl-item{padding-left:46px;}
  .timeline::before{left:15px;}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:15px;width:32px;height:32px;font-size:12px;}
  .strip-item,.risk-card{padding:18px;}
}
@media (max-width:390px){
  .brand-text em{display:none;}
  .tab-item{font-size:10px;}
}

/* roulang page: category4 */
:root{
  --bg:#070C16;
  --bg-deep:#050810;
  --panel:#0F1A2B;
  --panel-2:#0B1220;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --text:#E6EDF6;
  --text-dim:#93A4BC;
  --brand:#16E0A8;
  --brand-2:#0FB98A;
  --accent:#FF8A3D;
  --glow:0 0 0 1px rgba(22,224,168,.35), 0 12px 32px rgba(22,224,168,.22);
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(22,224,168,.35), 0 12px 32px rgba(22,224,168,.22);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(880px 520px at 10% -10%, rgba(22,224,168,.10), transparent 70%),
    radial-gradient(720px 460px at 98% 2%, rgba(255,138,61,.065), transparent 72%),
    repeating-linear-gradient(115deg, rgba(255,255,255,.026) 0 1px, transparent 1px 48px);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--brand);color:#04170F;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:#2AECB8;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,168,.45),0 16px 38px rgba(22,224,168,.30)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(22,224,168,.30),0 6px 16px rgba(22,224,168,.20)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:rgba(22,224,168,.55);color:#fff;background:rgba(22,224,168,.08)}
.btn-ghost:active{background:rgba(22,224,168,.14)}
.btn-text{height:auto;padding:0;border:none;background:none;color:var(--brand);font-weight:600;position:relative}
.btn-text::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--brand);transition:width .22s ease-out}
.btn-text:hover::after{width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn:disabled,.btn[disabled]{background:#2A3446;color:#7C8AA0;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(9,15,26,.78);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(22,224,168,.95),rgba(15,185,138,.65));
  color:#04170F;font-weight:800;font-size:17px;letter-spacing:0;
  box-shadow:0 8px 20px rgba(22,224,168,.24);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.3px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand);margin-left:2px}
.nav-desktop{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;font-size:15px;color:var(--text-dim);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.045)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .18s ease,background-color .18s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .24s ease,opacity .24s ease}
.menu-toggle:hover{border-color:rgba(22,224,168,.5);background:rgba(22,224,168,.08)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:100;display:flex;justify-content:flex-end;
  background:rgba(0,0,0,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  width:min(86vw,340px);height:100%;background:#0A1421;border-left:1px solid var(--line);
  padding:22px 20px 40px;transform:translateX(100%);transition:transform .24s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:14px;color:var(--text-dim);letter-spacing:1px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;font-size:18px;line-height:1;color:var(--text);
}
.drawer-close:hover{border-color:rgba(22,224,168,.5);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;border:1px solid transparent;font-size:16px;color:var(--text-dim);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer-nav a.is-active{color:var(--brand);background:rgba(22,224,168,.10);border-color:rgba(22,224,168,.28)}
.drawer-sub{padding-left:12px;display:flex;flex-direction:column;gap:2px}
.drawer-sub span{font-size:12px;color:#6C7C93;padding:8px 14px 2px;letter-spacing:.5px}
.drawer-sub a{font-size:14px}
.drawer .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);padding-top:26px}
.breadcrumb a{color:var(--text-dim);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#4A5568}
.breadcrumb [aria-current]{color:var(--text)}

/* ============ Hero ============ */
.hero-cat{padding:20px 0 0}
.hero-media{
  position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  background:#0B1220 url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  min-height:400px;display:flex;align-items:center;box-shadow:var(--shadow-card);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,12,22,.95) 0%,rgba(7,12,22,.82) 44%,rgba(7,12,22,.42) 100%);
}
.hero-media::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.hero-inner{position:relative;z-index:2;padding:48px 46px;max-width:740px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:999px;border:1px solid rgba(22,224,168,.35);background:rgba(22,224,168,.10);
  color:var(--brand);font-size:13px;font-weight:500;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.hero-title{font-size:clamp(30px,4.2vw,50px);font-weight:700;letter-spacing:-.5px;line-height:1.15;color:#fff}
.hero-title span{color:var(--brand)}
.hero-lead{margin-top:18px;font-size:16px;color:#B9C7DA;max-width:620px;line-height:1.85}
.hero-lead strong{color:#fff;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;position:relative;z-index:2}
.stat-capsule{
  flex:1 1 150px;min-width:140px;padding:14px 18px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
}
.stat-num{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13px;color:var(--text-dim);margin-top:2px}

/* ============ 快速自查 ============ */
.section{padding:clamp(52px,7vw,96px) 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;display:flex;align-items:center;gap:12px}
.section-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand);box-shadow:0 0 14px rgba(22,224,168,.6)}
.section-desc{margin-top:12px;color:var(--text-dim);font-size:15px;max-width:720px}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.check-item{
  position:relative;padding:24px;border-radius:var(--radius-l);overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(15,26,43,.55));
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.check-item::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent)}
.check-item:hover{transform:translateY(-3px);border-color:rgba(22,224,168,.35)}
.check-no{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(22,224,168,.12);border:1px solid rgba(22,224,168,.30);color:var(--brand);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.check-item h3{font-size:19px;font-weight:600;margin-bottom:10px}
.check-item p{font-size:15px;color:var(--text-dim);line-height:1.8}
.check-item .tagline{display:inline-block;margin-top:14px;font-size:13px;color:var(--brand)}

/* ============ FAQ 主区 ============ */
.faq-section{position:relative}
.faq-section::after{
  content:"?";position:absolute;right:2%;top:8%;font-size:clamp(180px,26vw,340px);font-weight:800;
  line-height:1;color:rgba(255,255,255,.028);pointer-events:none;user-select:none;z-index:0;
  font-family:Georgia,serif;
}
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start;position:relative;z-index:1}
.faq-side{position:sticky;top:104px}
.side-panel{
  padding:20px;border-radius:var(--radius-l);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(15,26,43,.6));
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:var(--shadow-card);
}
.side-title{font-size:13px;letter-spacing:1.2px;color:var(--text-dim);margin-bottom:14px}
.pill-list{display:flex;flex-direction:column;gap:8px}
.pill{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--radius-s);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-dim);font-size:14px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.pill span.count{font-size:12px;color:#6C7C93;font-variant-numeric:tabular-nums}
.pill:hover{color:#fff;border-color:rgba(22,224,168,.4);background:rgba(22,224,168,.08);transform:translateX(2px)}
.pill.is-active{color:var(--brand);border-color:rgba(22,224,168,.45);background:rgba(22,224,168,.12)}
.pill.is-active span.count{color:var(--brand)}
.side-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:#7C8AA0;line-height:1.8}

.faq-main{display:flex;flex-direction:column;gap:34px}
.faq-group{scroll-margin-top:120px}
.faq-group-title{
  font-size:21px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:10px;color:#fff;
}
.faq-group-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.faq-list{
  border-radius:var(--radius-l);border:1px solid var(--line);overflow:hidden;
  background:rgba(11,18,32,.6);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
}
.faq-item + .faq-item{border-top:1px solid rgba(255,255,255,.06)}
.faq-h{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;letter-spacing:normal}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;text-align:left;
  padding:19px 22px;background:none;border:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  transition:background-color .18s ease,color .18s ease;
}
.faq-q:hover{background:rgba(22,224,168,.055);color:#fff}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;margin-top:2px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  border:1px solid rgba(22,224,168,.42);color:var(--brand);background:rgba(22,224,168,.08);
  transition:background-color .2s ease,color .2s ease,transform .25s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand);color:#04170F;transform:rotate(180deg)}
.faq-icon::before{content:"?"}
.faq-item.is-open .faq-icon::before{content:"–"}
.faq-a{
  max-height:0;overflow:hidden;padding:0 22px 0 58px;color:var(--text-dim);font-size:15px;
  background:rgba(5,8,16,.55);
  transition:max-height .34s ease,padding .28s ease;
}
.faq-item.is-open .faq-a{max-height:520px;padding:4px 22px 20px 58px}
.faq-a p + p{margin-top:12px}
.faq-a .steps{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.faq-a .steps li{position:relative;padding-left:26px;line-height:1.75}
.faq-a .steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:6px;
  background:rgba(22,224,168,.14);border:1px solid rgba(22,224,168,.3);color:var(--brand);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.faq-a .steps{counter-reset:step}
.faq-a .tip{display:inline-block;margin-top:12px;font-size:13px;color:var(--accent)}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(15,26,43,.95),rgba(9,15,26,.92));
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 30%,rgba(22,224,168,.08) 50%,transparent 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:#fff}
.cta-band p{margin-top:10px;color:var(--text-dim);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{
  display:block;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  background:rgba(15,26,43,.55);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(22,224,168,.35);box-shadow:var(--shadow-card)}
.related-thumb{position:relative;aspect-ratio:16/9;background:#0B1220;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.related-card:hover .related-thumb img{transform:scale(1.045)}
.related-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,12,22,.92))}
.related-body{padding:20px 22px 24px}
.related-body h3{font-size:19px;font-weight:600;color:#fff;transition:color .18s ease}
.related-card:hover .related-body h3{color:var(--brand)}
.related-body p{margin-top:10px;font-size:14px;color:var(--text-dim);line-height:1.8}
.related-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--brand)}
.related-more span{transition:transform .2s ease}
.related-card:hover .related-more span{transform:translateX(4px)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:clamp(52px,7vw,104px);border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(5,8,16,.95));
  padding:56px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff}
.footer-about{margin-top:16px;font-size:14px;color:var(--text-dim);line-height:1.85;max-width:360px}
.footer-col h4{font-size:14px;color:var(--brand);font-weight:600;letter-spacing:.4px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-dim);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#6C7C93;
}

/* ============ 移动底部 Tab ============ */
.mobile-tabs{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,15,26,.92);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-top:1px solid var(--line);
}
.mobile-tabs ul{display:flex;height:60px}
.mobile-tabs li{flex:1}
.mobile-tabs a{
  height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-dim);transition:color .18s ease;
}
.mobile-tabs a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabs a.is-active{color:var(--brand)}
.mobile-tabs a:active{background:rgba(22,224,168,.08)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .faq-layout{grid-template-columns:220px 1fr;gap:26px}
}
@media (max-width:1024px){
  .nav-desktop{display:none}
  .menu-toggle{display:flex}
  .nav-wrap{height:66px;gap:16px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-side{position:static}
  .pill-list{flex-direction:row;flex-wrap:wrap}
  .pill{flex:0 1 auto}
  .check-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  .container{padding:0 16px}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .mobile-tabs{display:block}
  .brand-text{font-size:15px}
  .brand-text em{display:inline}
  .hero-media{min-height:0;border-radius:18px}
  .hero-inner{padding:30px 22px 26px}
  .hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 160px}
  .hero-stats{gap:10px}
  .stat-capsule{flex:1 1 120px;min-width:110px;padding:12px 14px}
  .stat-num{font-size:22px}
  .check-grid{grid-template-columns:1fr}
  .check-item{padding:20px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a{padding-left:16px;padding-right:16px}
  .faq-item.is-open .faq-a{padding:2px 16px 18px 52px}
  .cta-band{padding:26px 20px;border-radius:18px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-about{max-width:none}
  .footer-bottom{font-size:12px}
  .faq-section::after{font-size:150px;top:2%}
}
@media (max-width:480px){
  .hero-title{font-size:30px}
  .section-title{font-size:23px}
  .faq-group-title{font-size:18px}
  .breadcrumb{font-size:12px;padding-top:18px}
  .pill{font-size:13px;padding:9px 12px}
}
@media (max-width:390px){
  .brand-text{font-size:14px}
  .brand-mark{width:30px;height:30px;font-size:15px}
  .mobile-tabs a{font-size:10px}
  .hero-inner{padding:24px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}