/* roulang page: index */
:root{
  --void:#07080E;
  --panel:#0F1220;
  --elevate:#151A2E;
  --line:rgba(232,236,255,.10);
  --line-strong:rgba(232,236,255,.18);
  --primary:#35E0C6;
  --primary-hover:#5AEBD5;
  --primary-active:#22B9A4;
  --accent:#F3C56B;
  --violet:#7B6CF6;
  --text:#EEF1FA;
  --text-2:#A9B0C7;
  --text-3:#6B7290;
  --error:#FF6B81;
  --grad:linear-gradient(120deg,#35E0C6 0%,#7B6CF6 100%);
  --r-btn:8px;
  --r-card:14px;
  --r-poster:12px;
  --r-field:10px;
  --r-pill:999px;
  --shadow:0 0 0 1px rgba(232,236,255,.08), 0 18px 40px -24px rgba(53,224,198,.35);
  --shadow-hover:0 0 0 1px rgba(53,224,198,.30), 0 26px 54px -22px rgba(53,224,198,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --w:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  background-color:var(--void);
  background-image:
    radial-gradient(circle at 12% 6%, rgba(53,224,198,.07), transparent 44%),
    radial-gradient(circle at 90% 0%, rgba(123,108,246,.07), transparent 40%);
  background-attachment:fixed;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(53,224,198,.28);color:#fff}
.num{font-family:Inter,"DIN Alternate",ui-sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.01em}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

.section{padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
@media (min-width:1024px){.section{padding:128px 0}}
.section--tight{padding:48px 0}
@media (min-width:768px){.section--tight{padding:72px 0}}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
@media (min-width:768px){.section-head{margin-bottom:40px}}
.section-title{font-size:clamp(22px,3vw,34px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
.section-desc{margin-top:10px;max-width:660px;color:var(--text-2);font-size:14px;line-height:1.75}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:gap .22s var(--ease),color .22s var(--ease)}
.link-more:hover{gap:12px;color:var(--primary-hover)}
.link-more svg{width:14px;height:14px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.3;white-space:nowrap;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),transform .16s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#04231E}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 14px 32px -16px rgba(53,224,198,.8)}
.btn-primary:active{background:var(--primary-active)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(21,26,46,.4)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-sm{padding:9px 16px;font-size:14px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;height:68px;display:flex;align-items:center;background:rgba(7,8,14,.86);transition:background .22s var(--ease),box-shadow .22s var(--ease)}
.site-header.is-scrolled{background:rgba(7,8,14,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line) inset}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;flex:0 0 34px;border-radius:var(--r-pill);background:var(--grad);color:#052B26;box-shadow:0 0 22px -6px rgba(53,224,198,.7)}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{display:none;color:var(--text-3);font-size:12px;font-weight:500}
@media (min-width:1280px){.brand-sub{display:inline;margin-left:6px}}
.nav-desktop{display:none;align-items:center;gap:6px}
@media (min-width:1024px){.nav-desktop{display:flex}}
.nav-link{position:relative;padding:8px 14px;border-radius:var(--r-btn);color:var(--text-2);font-size:15px;transition:color .22s var(--ease),background .22s var(--ease)}
.nav-link:hover{color:var(--text);background:rgba(232,236,255,.05)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2);transition:color .22s var(--ease),border-color .22s var(--ease)}
.icon-btn:hover{color:var(--primary);border-color:var(--primary)}
.icon-btn svg{width:17px;height:17px}
.header-cta{display:none}
@media (min-width:1024px){.header-cta{display:inline-flex}}
.nav-toggle{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn)}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text);margin:2px 0;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{position:fixed;left:0;right:0;top:68px;z-index:45;display:none;background:rgba(9,11,20,.98);border-bottom:1px solid var(--line);padding:14px 20px 24px;backdrop-filter:blur(16px)}
.mobile-menu.open{display:block}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;padding:13px 4px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:16px}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.active{color:var(--primary);font-weight:600}
@media (min-width:1024px){.mobile-menu{display:none !important}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:78vh;padding:72px 0 64px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04)}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(7,8,14,.72) 0%,rgba(7,8,14,.86) 52%,var(--void) 100%),
  linear-gradient(90deg,rgba(7,8,14,.92) 0%,rgba(7,8,14,.42) 62%,rgba(7,8,14,.7) 100%)}
.hero-glow{position:absolute;right:-12%;top:10%;width:min(560px,80vw);height:min(560px,80vw);border-radius:50%;background:radial-gradient(circle,rgba(53,224,198,.22),transparent 66%);filter:blur(6px);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;gap:22px;max-width:820px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;width:fit-content;padding:7px 14px;border:1px solid var(--line-strong);border-radius:var(--r-pill);color:var(--primary);font-size:13px;font-weight:600;background:rgba(15,18,32,.6)}
.hero-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px 2px rgba(53,224,198,.7)}
.hero-title{font-size:clamp(30px,5vw,56px);line-height:1.12;letter-spacing:-.02em;font-weight:800}
.hero-sub{max-width:600px;color:var(--text-2);font-size:16px;line-height:1.85}
@media (min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:640px;margin-top:8px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats dt{color:var(--text-3);font-size:13px;font-weight:500}
.hero-stats dd{margin:2px 0 0;font-size:clamp(20px,3vw,28px);font-weight:800;color:var(--accent);font-family:Inter,"DIN Alternate",ui-sans-serif;font-variant-numeric:tabular-nums}
.hero-scroll{position:relative;z-index:2;display:flex;align-items:center;gap:10px;margin-top:32px;color:var(--text-3);font-size:13px}
.hero-scroll i{display:block;width:1px;height:26px;background:linear-gradient(180deg,var(--primary),transparent)}

/* ---------- 横滑轨道 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail > *{flex:0 0 44vw;max-width:280px;scroll-snap-align:start}
@media (min-width:768px){.rail > *{flex:0 0 28vw}}
@media (min-width:1024px){.rail{gap:24px}.rail > *{flex:0 0 18vw}}
.rail-arrows{display:none;gap:8px}
@media (min-width:1024px){.rail-arrows{display:flex}}
.rail-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line-strong);border-radius:var(--r-btn);color:var(--text-2);transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease)}
.rail-btn:hover{color:var(--primary);border-color:var(--primary);background:rgba(53,224,198,.06)}
.rail-btn svg{width:15px;height:15px}
.rail-btn:disabled{opacity:.35;cursor:not-allowed}

/* ---------- 卡片 ---------- */
.card{background:var(--panel);border-radius:var(--r-card);box-shadow:0 0 0 1px var(--line);transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.poster-card{display:block;overflow:hidden;background:var(--panel);border-radius:var(--r-card);box-shadow:0 0 0 1px var(--line);transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.poster-media{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--elevate)}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.poster-card:hover .poster-media img{transform:scale(1.03)}
.poster-body{padding:14px 14px 16px}
.poster-title{font-size:16px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-meta{margin-top:8px;color:var(--text-3);font-size:13px}
.badge{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(7,8,14,.78);border:1px solid var(--line-strong);color:var(--text);font-size:12px;font-weight:600;letter-spacing:.02em}
.score{position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:var(--r-pill);background:rgba(7,8,14,.8);border:1px solid rgba(243,197,107,.4);color:var(--accent);font-size:13px;font-weight:700;font-family:Inter,"DIN Alternate",ui-sans-serif;font-variant-numeric:tabular-nums}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--text-2);font-size:13px;transition:color .22s var(--ease),border-color .22s var(--ease)}
.tag:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 热播推荐 ---------- */
.feature-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.feature-grid{grid-template-columns:1.45fr 1fr;gap:24px}}
.lead-card{position:relative;display:block;overflow:hidden;border-radius:var(--r-card);box-shadow:0 0 0 1px var(--line);min-height:280px}
.lead-card img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
@media (min-width:768px){.lead-card img{height:100%;aspect-ratio:auto;min-height:420px}}
.lead-card:hover img{transform:scale(1.03)}
.lead-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,8,14,.12) 30%,rgba(7,8,14,.92) 100%)}
.lead-body{position:absolute;left:0;right:0;bottom:0;padding:22px}
.lead-title{font-size:clamp(20px,2.6vw,28px);font-weight:800;line-height:1.3}
.lead-text{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-list{display:grid;gap:16px}
@media (min-width:768px){.mini-list{grid-template-rows:repeat(3,1fr)}}
.mini-card{display:flex;gap:14px;align-items:center;padding:12px;background:var(--panel);border-radius:var(--r-card);box-shadow:0 0 0 1px var(--line);transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.mini-thumb{flex:0 0 64px;width:64px;aspect-ratio:2/3;overflow:hidden;border-radius:var(--r-poster);background:var(--elevate)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-title{font-size:15px;font-weight:700;line-height:1.45}
.mini-meta{margin-top:6px;color:var(--text-3);font-size:12.5px}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.step{padding:22px;background:var(--panel);border-radius:var(--r-card);box-shadow:0 0 0 1px var(--line);position:relative}
.step-num{font-family:Inter,"DIN Alternate",ui-sans-serif;font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.12em}
.step h3{margin-top:10px;font-size:18px;font-weight:700;line-height:1.4}
.step p{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.75}

/* ---------- 片单分区 ---------- */
.pick-row{display:grid;gap:18px;padding:36px 0;border-top:1px solid var(--line)}
.pick-row:last-of-type{border-bottom:1px solid var(--line)}
@media (min-width:768px){.pick-row{grid-template-columns:96px 1fr 1.15fr;gap:32px;align-items:start;padding:44px 0}}
.pick-num{font-family:Inter,"DIN Alternate",ui-sans-serif;font-size:clamp(40px,6vw,64px);font-weight:800;line-height:1;color:var(--accent);letter-spacing:-.02em}
.pick-name{font-size:20px;font-weight:800;line-height:1.35}
.pick-text{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.8;max-width:460px}
.pick-links{display:flex;flex-wrap:wrap;gap:10px}
.pick-links a{display:inline-block;padding:7px 14px;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--text-2);font-size:13.5px;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease)}
.pick-links a:hover{color:var(--primary);border-color:var(--primary);background:rgba(53,224,198,.06)}

/* ---------- 最新信息 ---------- */
.news-list{display:grid;gap:0}
.news-item{display:block;padding:22px 0;border-bottom:1px solid var(--line);transition:padding-left .22s var(--ease)}
.news-item:hover{padding-left:6px}
.news-item:hover .news-title{color:var(--primary)}
.news-title{font-size:18px;font-weight:700;line-height:1.5;transition:color .22s var(--ease)}
.news-text{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:var(--text-3);font-size:13px}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.news-lead{display:grid;gap:20px;padding-bottom:26px;margin-bottom:8px;border-bottom:1px solid var(--line)}
@media (min-width:768px){.news-lead{grid-template-columns:1fr 1.15fr;gap:32px;align-items:center}}
.news-lead-media{overflow:hidden;border-radius:var(--r-card);box-shadow:0 0 0 1px var(--line);background:var(--elevate)}
.news-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease)}
.news-lead:hover .news-lead-media img{transform:scale(1.03)}
.empty-state{padding:48px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-card);text-align:center;color:var(--text-2)}
.empty-state svg{width:38px;height:38px;margin:0 auto 14px;color:var(--primary);opacity:.85}
.empty-state p{font-size:15px}
.empty-state .btn{margin-top:18px}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad);opacity:.85}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:52px 0;min-height:200px}
@media (min-width:1024px){.cta-inner{padding:64px 0}}
.cta-inner h2{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.cta-inner p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-orbit{position:absolute;right:-40px;bottom:-60px;width:280px;height:280px;opacity:.5;pointer-events:none}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 0;text-align:left;font-size:17px;font-weight:700;line-height:1.5;color:var(--text);transition:color .22s var(--ease)}
.faq-q:hover{color:var(--primary)}
.faq-arrow{flex:0 0 18px;width:18px;height:18px;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 0 22px;max-width:760px;color:var(--text-2);font-size:15px;line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:#06070C;border-top:1px solid var(--line);position:relative}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--grad);opacity:.7}
.footer-grid{display:grid;gap:32px;padding:56px 0 40px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:72px 0 48px}}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-about p{margin-top:14px;color:var(--text-3);font-size:13.5px;line-height:1.85;max-width:340px}
.footer-links li + li{margin-top:10px}
.footer-links a{color:var(--text-2);font-size:14px;transition:color .22s var(--ease)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:20px 0;border-top:1px solid var(--line);color:var(--text-3);font-size:13px}
.to-top{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2);font-size:13px;transition:color .22s var(--ease),border-color .22s var(--ease)}
.to-top:hover{color:var(--primary);border-color:var(--primary)}
.to-top svg{width:13px;height:13px}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;height:56px;padding-bottom:env(safe-area-inset-bottom);background:rgba(9,11,20,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line)}
.mobile-tab a{position:relative;flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-3);font-size:11px;line-height:1.2}
.mobile-tab a svg{width:19px;height:19px}
.mobile-tab a.active{color:var(--primary)}
.mobile-tab a.active::before{content:"";position:absolute;top:0;left:26%;right:26%;height:2px;border-radius:2px;background:var(--primary)}
@media (min-width:1024px){.mobile-tab{display:none}}
@media (max-width:1023px){body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --void:#07080E;
  --panel:#0F1220;
  --elevate:#151A2E;
  --line:rgba(232,236,255,.10);
  --line-strong:rgba(232,236,255,.18);
  --primary:#35E0C6;
  --primary-hover:#5AEBD5;
  --primary-active:#22B9A4;
  --accent:#F3C56B;
  --violet:#7B6CF6;
  --text:#EEF1FA;
  --text-2:#A9B0C7;
  --text-3:#6B7290;
  --danger:#FF6B81;
  --r-btn:8px;
  --r-card:14px;
  --r-poster:12px;
  --r-input:10px;
  --r-pill:999px;
  --shadow-line:0 0 0 1px rgba(232,236,255,.08), 0 18px 40px -24px rgba(53,224,198,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","DIN Alternate",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--void);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 420px at 12% -6%, rgba(53,224,198,.10), transparent 62%),
    radial-gradient(620px 380px at 92% 4%, rgba(123,108,246,.10), transparent 66%),
    radial-gradient(2px 2px at 82% 28%, rgba(243,197,107,.45), transparent 100%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,8,14,.86);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),backdrop-filter .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,8,14,.72);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  color:var(--primary);
  background:linear-gradient(140deg,rgba(53,224,198,.18),rgba(123,108,246,.16));
  border:1px solid var(--line-strong);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.brand-sub{font-size:12px;color:var(--text-3);padding-left:10px;border-left:1px solid var(--line);white-space:nowrap}
.nav-desktop{display:none;align-items:center;gap:4px}
.nav-link{
  padding:9px 14px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--text-2);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(232,236,255,.06)}
.nav-link.active{color:var(--primary);background:rgba(53,224,198,.10)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);
  display:grid;place-items:center;color:var(--text-2);
  border:1px solid var(--line);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--primary);border-color:rgba(53,224,198,.5)}
.header-cta{display:none}
.nav-toggle{width:40px;height:38px;display:grid;place-content:center;gap:5px;border:1px solid var(--line);border-radius:var(--r-btn)}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--text-2);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){
  .nav-desktop{display:flex}
  .header-cta{display:inline-flex}
  .nav-toggle{display:none}
  .brand-sub{display:inline}
}
@media (max-width:1023px){.brand-sub{display:none}}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(9,10,18,.96);
  backdrop-filter:blur(14px);
}
.mobile-menu.is-open{display:block}
.mobile-menu ul{padding:10px 20px 18px;display:grid;gap:4px}
.mobile-menu a{display:block;padding:12px 10px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2)}
.mobile-menu a.active,.mobile-menu a:hover{color:var(--primary);background:rgba(53,224,198,.08)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  padding:12px 22px;
  transition:transform .16s var(--ease),background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease),box-shadow .22s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#04211C;box-shadow:0 14px 30px -18px rgba(53,224,198,.75)}
.btn-primary:hover{background:var(--primary-hover)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.link-arrow svg{width:15px;height:15px;transition:transform .16s var(--ease)}
.link-arrow:hover svg{transform:translateX(6px)}

/* ---------- article head ---------- */
.article-hero{
  position:relative;
  padding:44px 0 36px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(7,8,14,.86),rgba(7,8,14,.97)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--line-strong)}
.article-hero h1{
  margin:18px 0 0;
  font-size:clamp(26px,4vw,42px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:13.5px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--primary);
  border:1px solid rgba(53,224,198,.34);
  background:rgba(53,224,198,.08);
}
.tag-accent{color:var(--accent);border-color:rgba(243,197,107,.36);background:rgba(243,197,107,.08)}

/* ---------- layout ---------- */
.article-shell{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 260px;gap:64px;justify-content:center}
}
.article-main{min-width:0}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
}
@media (max-width:520px){.article-body{font-size:15px}}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:clamp(19px,2.4vw,25px);
  line-height:1.35;
  font-weight:750;
  color:var(--text);
  letter-spacing:-.01em;
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--primary);
  scroll-margin-top:96px;
}
.article-body h3{
  font-size:18px;line-height:1.45;font-weight:700;color:var(--text);
  margin:1.6em 0 .6em;scroll-margin-top:96px;
}
.article-body h4{font-size:16.5px;font-weight:700;color:var(--text);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0;padding-left:.15em}
.article-body ul li::marker{color:var(--primary);font-size:1.05em}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body strong,.article-body b{color:var(--text);font-weight:700}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(53,224,198,.35)}
.article-body a:hover{color:var(--primary-hover);border-bottom-color:var(--primary-hover)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  background:var(--panel);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;height:auto;margin:1.5em 0;
  border-radius:var(--r-poster);
  border:1px solid var(--line);
}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.article-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;font-size:14.5px;border:1px solid var(--line);border-radius:var(--r-poster)}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{color:var(--text);background:var(--elevate);font-weight:700}
.article-body code{padding:2px 6px;border-radius:6px;background:var(--elevate);border:1px solid var(--line);font-size:14px;color:var(--accent);font-family:var(--font-num)}
.article-body pre{overflow-x:auto;padding:16px;border-radius:var(--r-poster);background:var(--panel);border:1px solid var(--line);margin:1.5em 0}
.article-body pre code{border:0;background:none;padding:0;color:var(--text-2)}

/* ---------- aside ---------- */
.article-aside{display:none}
@media (min-width:1280px){
  .article-aside{display:block}
  .toc{position:sticky;top:96px;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel)}
  .toc h3{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:14px}
  .toc ol{display:grid;gap:2px;counter-reset:toc}
  .toc a{display:block;font-size:13.5px;line-height:1.6;color:var(--text-3);padding:7px 10px;border-radius:var(--r-btn);border-left:2px solid transparent}
  .toc a:hover{color:var(--text);background:rgba(232,236,255,.05)}
  .toc a.is-active{color:var(--primary);border-left-color:var(--primary);background:rgba(53,224,198,.08)}
}
.toc-mobile{margin:0 0 28px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);padding:14px 16px}
.toc-mobile summary{font-size:14.5px;font-weight:700;color:var(--text);cursor:pointer;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile ol{margin-top:10px;display:grid;gap:4px}
.toc-mobile a{font-size:14px;color:var(--text-2)}
.toc-mobile a:hover{color:var(--primary)}
@media (min-width:1280px){.toc-mobile{display:none}}

/* ---------- helpers ---------- */
.divider-grad{height:1px;border:0;background:linear-gradient(120deg,#35E0C6 0%,#7B6CF6 100%);opacity:.55}
.section{padding:64px 0}
@media (min-width:768px){.section{padding:88px 0}}
@media (min-width:1024px){.section{padding:104px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-title{font-size:clamp(21px,2.6vw,30px);font-weight:800;letter-spacing:-.015em;color:var(--text)}
.section-desc{margin-top:10px;font-size:14.5px;color:var(--text-3);max-width:640px}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(53,224,198,.42);box-shadow:var(--shadow-line)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--elevate)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;color:#04211C;background:var(--primary);font-weight:700;
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--text)}
.card-body p{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12.5px;color:var(--text-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;margin-top:auto}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(21,26,46,.9),rgba(15,18,32,.96));
  padding:36px 24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-band::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(120deg,#35E0C6,#7B6CF6);opacity:.7}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;letter-spacing:-.015em}
.cta-band p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:620px}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;
  font-size:17px;font-weight:650;color:var(--text);
  transition:color .16s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q .chev{flex:0 0 auto;width:18px;height:18px;color:var(--text-3);transition:transform .22s var(--ease),color .16s var(--ease)}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);color:var(--primary)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:860px}

/* ---------- empty state ---------- */
.empty{
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  background:var(--panel);
  padding:48px 24px;text-align:center;
}
.empty svg{width:30px;height:30px;color:var(--primary);margin:0 auto 14px}
.empty h2{font-size:20px;color:var(--text);font-weight:750}
.empty p{margin:10px 0 20px;font-size:14.5px;color:var(--text-3)}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--panel);border-top:1px solid var(--line);padding:56px 0 96px;margin-top:24px}
@media (min-width:1024px){.site-footer{padding-bottom:40px}}
.site-footer::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:linear-gradient(120deg,#35E0C6,#7B6CF6);opacity:.6}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-about p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);font-size:13px}
.to-top svg{width:14px;height:14px}
.to-top:hover{color:var(--primary)}

/* ---------- mobile tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  height:56px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,10,18,.94);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.tab-item{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);
}
.tab-item svg{width:19px;height:19px}
.tab-item.active{color:var(--primary)}
.tab-item.active::before{content:"";position:absolute;top:0;width:22px;height:2px;border-radius:2px;background:var(--primary)}
@media (min-width:1024px){
  .mobile-tab{display:none}
}
main{padding-bottom:72px}
@media (min-width:1024px){main{padding-bottom:0}}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --void:#07080E; --panel:#0F1220; --elevate:#151A2E;
  --line:rgba(232,236,255,.10); --line-strong:rgba(232,236,255,.18);
  --primary:#35E0C6; --primary-hover:#5AEBD5; --primary-active:#22B9A4;
  --accent:#F3C56B; --violet:#7B6CF6;
  --text-1:#EEF1FA; --text-2:#A9B0C7; --text-3:#6B7290;
  --error:#FF6B81;
  --grad-line:linear-gradient(120deg,#35E0C6 0%,#7B6CF6 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
  --r-btn:8px; --r-card:14px; --r-poster:12px; --r-field:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-bottom:72px;
  background:var(--void);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease),border-color 220ms var(--ease)}
a:hover{color:var(--primary)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.num{font-family:"Inter","DIN Alternate",ui-sans-serif;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
::selection{background:rgba(53,224,198,.28)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,8,14,.88);
  border-bottom:1px solid var(--line);
  transition:background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{background:rgba(7,8,14,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 10px 30px -24px rgba(0,0,0,.9)}
.header-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(53,224,198,.18),rgba(123,108,246,.14));
  color:var(--primary);flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap}
.brand-sub{
  font-size:12px;color:var(--text-3);padding-left:10px;margin-left:2px;
  border-left:1px solid var(--line);white-space:nowrap;
}
.nav-desktop{display:none;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-btn);
  font-size:15px;color:var(--text-2);
}
.nav-link:hover{color:var(--text-1);background:rgba(232,236,255,.05)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad-line);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);transition:all 220ms var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--primary);border-color:rgba(53,224,198,.5)}
.nav-toggle{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);
  display:grid;place-items:center;gap:4px;padding:11px 9px;
}
.nav-toggle span{display:block;width:100%;height:2px;border-radius:2px;background:var(--text-2);transition:all 220ms var(--ease)}
.header-cta{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;letter-spacing:.01em;
  padding:13px 22px;font-size:15px;border:1px solid transparent;
  transition:all 220ms var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#06231F}
.btn-primary:hover{background:var(--primary-hover);color:#06231F;box-shadow:0 14px 32px -18px rgba(53,224,198,.8)}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px)}
.btn-ghost{border-color:var(--line-strong);color:var(--text-1);background:transparent}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:9px 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.link-arrow svg{width:15px;height:15px;transition:transform 220ms var(--ease)}
.link-arrow:hover svg{transform:translateX(6px)}

.mobile-menu{
  position:fixed;top:68px;left:0;right:0;z-index:59;
  background:var(--panel);border-bottom:1px solid var(--line);
  padding:12px 20px 20px;display:flex;flex-direction:column;gap:2px;
  box-shadow:0 24px 48px -30px rgba(0,0,0,.9);
}
.mobile-menu[hidden]{display:none}
.mobile-menu a{padding:12px 10px;border-radius:var(--r-btn);font-size:15px;color:var(--text-2)}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(53,224,198,.08);color:var(--primary)}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(15,18,32,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);position:relative;
}
.tab-item svg{width:19px;height:19px}
.tab-item.active{color:var(--primary)}
.tab-item.active::before{content:"";position:absolute;top:0;left:26%;right:26%;height:2px;border-radius:2px;background:var(--primary)}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-size:clamp(22px,3vw,34px);line-height:1.2;font-weight:800;letter-spacing:-.015em}
.section-sub{color:var(--text-2);font-size:14px;margin-top:8px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
.divider-line{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 片库 banner ---------- */
.library-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.library-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,8,14,.72) 0%,rgba(7,8,14,.92) 62%,var(--void) 100%),
    radial-gradient(900px 420px at 82% 18%,rgba(53,224,198,.16),transparent 70%),
    radial-gradient(700px 380px at 12% 74%,rgba(123,108,246,.14),transparent 72%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  z-index:0;
}
.library-hero-inner{position:relative;z-index:1;padding:72px 0 64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-2)}
.crumb .sep{color:var(--text-3)}
.hero-h1{
  font-size:clamp(30px,5vw,56px);line-height:1.12;letter-spacing:-.02em;
  font-weight:800;max-width:16em;
}
.hero-lead{margin-top:18px;font-size:16px;color:var(--text-2);max-width:640px;line-height:1.9}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:32px;max-width:620px}
.stat{
  border:1px solid var(--line);border-radius:var(--r-card);background:rgba(15,18,32,.72);
  padding:16px 16px 14px;
}
.stat-num{font-size:clamp(22px,3vw,30px);font-weight:800;color:var(--primary);line-height:1.1}
.stat-num.accent{color:var(--accent)}
.stat-label{margin-top:6px;font-size:12.5px;color:var(--text-3);line-height:1.6}

/* ---------- 筛选 chips ---------- */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 20px 16px;
  scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;scroll-snap-align:start;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);background:rgba(15,18,32,.7);
  transition:all 200ms var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-strong)}
.chip.active{border-color:rgba(53,224,198,.62);color:var(--primary);background:rgba(53,224,198,.10)}

/* ---------- 海报网格 ---------- */
.poster-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.poster-card{
  border:1px solid var(--line);border-radius:var(--r-poster);background:var(--panel);
  overflow:hidden;transition:transform 260ms var(--ease),box-shadow 260ms var(--ease),border-color 260ms var(--ease);
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(53,224,198,.42);box-shadow:0 0 0 1px rgba(232,236,255,.08),0 18px 40px -24px rgba(53,224,198,.45)}
.poster-media{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--elevate)}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.poster-card:hover .poster-media img{transform:scale(1.03)}
.poster-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,8,14,.5) 0%,transparent 34%,transparent 58%,rgba(7,8,14,.82) 100%)}
.badge{
  position:absolute;top:10px;left:10px;padding:4px 10px;border-radius:999px;
  font-size:11.5px;letter-spacing:.02em;color:#EAF6F4;
  background:rgba(7,8,14,.72);border:1px solid rgba(53,224,198,.4);
  backdrop-filter:blur(6px);
}
.score{
  position:absolute;right:10px;bottom:10px;display:inline-flex;align-items:center;gap:4px;
  font-size:13px;font-weight:700;color:var(--accent);
}
.score svg{width:13px;height:13px}
.poster-body{padding:14px 14px 16px}
.poster-title{
  font-size:16px;font-weight:700;line-height:1.4;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-desc{
  margin-top:7px;font-size:13px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-meta{margin-top:10px;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.poster-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.grid-divider{height:1px;background:var(--line);margin:34px 0}

/* ---------- 选片路径 ---------- */
.path-list{border-top:1px solid var(--line)}
.path-row{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.path-no{font-family:"Inter",ui-sans-serif;font-size:34px;font-weight:800;color:var(--accent);line-height:1;letter-spacing:-.02em}
.path-title{font-size:18px;font-weight:700}
.path-text{margin-top:8px;font-size:14px;color:var(--text-2);max-width:760px}
.path-links{margin-top:12px;display:flex;flex-wrap:wrap;gap:14px}
.path-links a{font-size:13.5px;color:var(--text-2);border-bottom:1px solid var(--line-strong);padding-bottom:2px}
.path-links a:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 排行 ---------- */
.rank-panel{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);
  overflow:hidden;box-shadow:0 0 0 1px rgba(232,236,255,.06),0 18px 40px -30px rgba(53,224,198,.4);
}
.rank-item{
  display:grid;grid-template-columns:auto 64px 1fr auto;gap:14px;align-items:center;
  padding:14px 16px;border-bottom:1px solid var(--line);transition:background 200ms var(--ease);
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:rgba(232,236,255,.035)}
.rank-no{font-family:"Inter",ui-sans-serif;font-size:20px;font-weight:800;color:var(--text-3);width:28px;text-align:center}
.rank-item:first-child .rank-no,
.rank-item:nth-child(2) .rank-no,
.rank-item:nth-child(3) .rank-no{color:var(--accent)}
.rank-thumb{width:64px;aspect-ratio:2/3;border-radius:8px;overflow:hidden;background:var(--elevate)}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-title{font-size:15px;font-weight:700;line-height:1.45}
.rank-tag{margin-top:4px;font-size:12.5px;color:var(--text-3)}
.rank-score{font-family:"Inter",ui-sans-serif;font-size:15px;font-weight:700;color:var(--accent)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:17px;font-weight:700;color:var(--text-1);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q svg{width:18px;height:18px;flex-shrink:0;color:var(--primary);transition:transform 240ms var(--ease)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 260ms var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 0 20px;font-size:14.5px;color:var(--text-2);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(150deg,rgba(21,26,46,.94),rgba(15,18,32,.94));
  padding:36px 24px;
}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line)}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,198,.18),transparent 68%);
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;line-height:1.25;letter-spacing:-.015em}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:560px}
.cta-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 交叉内链 ---------- */
.cross-links{display:grid;gap:14px}
.cross-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);
  padding:20px;transition:all 240ms var(--ease);
}
.cross-card:hover{border-color:rgba(53,224,198,.45);transform:translateY(-4px);box-shadow:0 18px 40px -26px rgba(53,224,198,.5)}
.cross-card h3{font-size:17px;font-weight:700}
.cross-card p{margin-top:8px;font-size:13.5px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:64px;background:linear-gradient(180deg,rgba(15,18,32,.5),transparent 40%)}
.site-footer::before{content:"";display:block;height:1px;background:var(--grad-line);opacity:.7}
.footer-grid{display:grid;gap:32px;padding:52px 0 36px}
.footer-about .brand{margin-bottom:14px}
.footer-about p{font-size:13.5px;color:var(--text-2);max-width:340px;line-height:1.85}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:13.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);border:1px solid var(--line);border-radius:var(--r-btn);padding:8px 14px;transition:all 200ms var(--ease)}
.to-top svg{width:14px;height:14px}
.to-top:hover{color:var(--primary);border-color:rgba(53,224,198,.5)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (min-width:640px){
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .cta-band{padding:44px 36px}
  .cross-links{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:768px){
  .section{padding:96px 0}
  .library-hero-inner{padding:88px 0 76px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media (min-width:1024px){
  body{padding-bottom:0}
  .container{padding:0 32px}
  .nav-desktop{display:flex}
  .nav-toggle{display:none}
  .header-cta{display:inline-flex}
  .mobile-tabbar{display:none}
  .mobile-menu{display:none!important}
  .section{padding:128px 0}
  .header-inner{gap:28px}
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  .path-row{grid-template-columns:120px 1fr;gap:28px;padding:32px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
  .site-footer{margin-top:96px}
}
@media (min-width:1280px){
  .poster-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:28px}
}
@media (max-width:519px){
  .brand-sub{display:none}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats .stat:last-child{grid-column:span 2}
  .rank-item{grid-template-columns:auto 52px 1fr auto;gap:10px;padding:12px 12px}
  .rank-thumb{width:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --void:#07080E;
  --panel:#0F1220;
  --elevate:#151A2E;
  --line:rgba(232,236,255,.10);
  --line-strong:rgba(232,236,255,.18);
  --primary:#35E0C6;
  --primary-hover:#5AEBD5;
  --primary-active:#22B9A4;
  --accent:#F3C56B;
  --violet:#7B6CF6;
  --text-1:#EEF1FA;
  --text-2:#A9B0C7;
  --text-3:#6B7290;
  --danger:#FF6B81;
  --radius-btn:8px;
  --radius-card:14px;
  --radius-poster:12px;
  --radius-input:10px;
  --shadow-glow:0 0 0 1px rgba(232,236,255,.08), 0 18px 40px -24px rgba(53,224,198,.35);
  --shadow-glow-hi:0 0 0 1px rgba(53,224,198,.28), 0 24px 48px -22px rgba(53,224,198,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","DIN Alternate",ui-sans-serif,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--void);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.005em;
  padding-bottom:72px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 88% -6%, rgba(53,224,198,.10), transparent 62%),
    radial-gradient(620px 380px at 6% 12%, rgba(123,108,246,.10), transparent 66%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
@media (min-width:1024px){ .container{padding:0 32px} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,8,14,.86);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease), border-color .22s var(--ease), backdrop-filter .22s var(--ease);
}
.site-header.scrolled{
  background:rgba(7,8,14,.78);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:10px;
  color:#07080E;
  background:linear-gradient(120deg,var(--primary) 0%,var(--violet) 100%);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{
  font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);white-space:nowrap;
}
.brand-sub{
  display:none;
  font-size:12px;color:var(--text-3);
  padding-left:12px;border-left:1px solid var(--line);
  white-space:nowrap;
}
@media (min-width:1024px){ .brand-sub{display:inline} }

.nav-desktop{display:none}
@media (min-width:1024px){
  .nav-desktop{display:flex;align-items:center;gap:2px}
  .nav-link{
    position:relative;
    padding:8px 14px;
    border-radius:var(--radius-btn);
    font-size:15px;
    color:var(--text-2);
    transition:color .16s var(--ease),background .16s var(--ease);
  }
  .nav-link:hover{color:var(--text-1);background:rgba(232,236,255,.05)}
  .nav-link.active{color:var(--primary)}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
    background:var(--primary);border-radius:2px;
  }
}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--text-2);background:rgba(21,26,46,.5);
  transition:color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong)}
.icon-btn:active{transform:translateY(1px)}
.header-cta{display:none}
@media (min-width:768px){ .header-cta{display:inline-flex} }
.nav-toggle{
  width:38px;height:38px;display:grid;place-items:center;gap:4px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:rgba(21,26,46,.5);
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text-1);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (min-width:1024px){ .nav-toggle{display:none} }

.mobile-menu{
  position:fixed;left:0;right:0;top:68px;z-index:59;
  background:rgba(15,18,32,.98);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  padding:10px 20px 18px;
  display:grid;gap:4px;
  transform:translateY(-12px);
  opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mobile-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-menu a{
  padding:12px 10px;border-radius:var(--radius-btn);
  color:var(--text-2);font-size:16px;
  border-bottom:1px solid var(--line);
}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.active{color:var(--primary)}
@media (min-width:1024px){ .mobile-menu{display:none} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:15px;
  padding:12px 22px;
  border:1px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .2s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-primary{background:var(--primary);color:#06110F;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-glow-hi)}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.btn-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(6px)}
.btn-sm{padding:9px 16px;font-size:14px}

/* ---------- Sections ---------- */
.section{padding:64px 0}
@media (min-width:768px){ .section{padding:96px 0} }
@media (min-width:1024px){ .section{padding:128px 0} }
.section-tight{padding:48px 0}
@media (min-width:768px){ .section-tight{padding:64px 0} }

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--primary),var(--violet))}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,3vw,34px)}
.section-head p{color:var(--text-2);font-size:15px;max-width:640px;margin-top:8px}
.section-line{
  height:1px;width:100%;
  background:linear-gradient(90deg,var(--primary) 0%,var(--violet) 100%);
  opacity:.5;
}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
  padding-top:28px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb span[aria-current]{color:var(--text-2)}

/* ---------- Hero ---------- */
.hero-topic{padding-bottom:0}
.hero-topic h1{
  font-size:clamp(30px,5vw,56px);
  line-height:1.12;
  letter-spacing:-.02em;
  max-width:820px;
  margin:18px 0 0;
}
.hero-lead{
  color:var(--text-2);
  font-size:16px;
  max-width:660px;
  margin-top:16px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:24px;
  font-size:13px;color:var(--text-3);
}
.hero-meta b{color:var(--text-1);font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-media{
  position:relative;
  margin-top:36px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:21/9;
  background:#0B0D16;
}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.82}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,8,14,.08) 0%,rgba(7,8,14,.72) 100%);
}
.hero-media figcaption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-size:13px;color:var(--text-2);
}
@media (min-width:768px){ .hero-media figcaption{left:28px;bottom:22px} }

/* ---------- Alert / 快讯条 ---------- */
.brief-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--panel);
}
.brief-inner{
  display:grid;gap:0;
  grid-template-columns:1fr;
}
@media (min-width:768px){ .brief-inner{grid-template-columns:repeat(3,1fr)} }
.brief-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
@media (min-width:768px){
  .brief-item{padding:22px 24px;border-bottom:0;border-right:1px solid var(--line)}
  .brief-item:first-child{padding-left:0}
  .brief-item:last-child{border-right:0;padding-right:0}
}
.brief-item:last-child{border-bottom:0}
.brief-tag{
  flex:0 0 auto;
  font-size:12px;font-weight:700;
  color:#06110F;background:var(--accent);
  border-radius:999px;padding:2px 10px;margin-top:4px;
}
.brief-item p{font-size:14px;color:var(--text-2)}

/* ---------- Stats ---------- */
.stats-grid{
  display:grid;gap:20px;grid-template-columns:1fr;
  margin-top:8px;
}
@media (min-width:640px){ .stats-grid{grid-template-columns:repeat(3,1fr);gap:24px} }
.stat-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.stat-card strong{
  display:block;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:800;color:var(--primary);line-height:1.1;
}
.stat-card span{display:block;margin-top:6px;font-size:14px;color:var(--text-2)}
.stat-card em{display:block;margin-top:12px;font-size:13px;color:var(--text-3);font-style:normal}

/* ---------- Topic list ---------- */
.topic-list{margin-top:8px}
.topic-row{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.topic-row:first-child{border-top:1px solid var(--line)}
@media (min-width:768px){
  .topic-row{grid-template-columns:88px 1fr 168px;gap:28px;align-items:start;padding:32px 0}
  .topic-row:hover{background:rgba(21,26,46,.45)}
}
.topic-no{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:800;color:var(--accent);line-height:1;
  letter-spacing:-.02em;
}
@media (min-width:768px){ .topic-no{font-size:40px} }
.topic-body h3{font-size:19px;line-height:1.4}
.topic-body h3 a:hover{color:var(--primary)}
.topic-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12px;color:var(--text-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px 12px;
  background:rgba(21,26,46,.6);
}
.tag.hot{color:var(--accent);border-color:rgba(243,197,107,.35);background:rgba(243,197,107,.08)}
.topic-thumb{
  border-radius:var(--radius-poster);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:#0B0D16;
}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.topic-row:hover .topic-thumb img{transform:scale(1.03)}
@media (min-width:768px){ .topic-thumb{aspect-ratio:16/9} }

/* ---------- Steps ---------- */
.steps-head{max-width:720px}
.steps-grid{
  display:grid;gap:20px;grid-template-columns:1fr;margin-top:32px;
}
@media (min-width:768px){ .steps-grid{grid-template-columns:repeat(3,1fr);gap:24px} }
.step-item{
  padding:24px 0 24px 22px;
  border-left:1px solid rgba(53,224,198,.45);
  position:relative;
}
.step-item::before{
  content:"";position:absolute;left:-4px;top:30px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);
}
.step-item b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;color:var(--text-3);letter-spacing:.12em;
}
.step-item h3{font-size:18px;margin-top:8px}
.step-item p{margin-top:10px;color:var(--text-2);font-size:15px}

/* ---------- Scenarios ---------- */
.scene-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){ .scene-grid{grid-template-columns:repeat(2,1fr);gap:24px} }
.scene-card{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.scene-card img{
  width:96px;flex:0 0 96px;aspect-ratio:3/4;object-fit:cover;
  border-radius:var(--radius-poster);border:1px solid var(--line);
}
@media (min-width:768px){ .scene-card img{width:120px;flex:0 0 120px} }
.scene-card h3{font-size:18px}
.scene-card p{margin-top:10px;color:var(--text-2);font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;
  font-size:17px;font-weight:700;color:var(--text-1);
  transition:color .16s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;
  display:grid;place-items:center;
  color:var(--text-3);
  transition:transform .28s var(--ease),color .16s var(--ease);
}
.faq-arrow svg{width:16px;height:16px}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  padding:0 0 22px;color:var(--text-2);font-size:15px;max-width:820px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:40px 24px;
  overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
@media (min-width:768px){ .cta-band{padding:48px 40px} }
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--primary),var(--violet));
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,224,198,.16),transparent 65%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);max-width:560px}
.cta-band p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ---------- Cross links ---------- */
.cross-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){ .cross-grid{grid-template-columns:repeat(2,1fr);gap:24px} }
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  background:rgba(21,26,46,.5);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.cross-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.cross-card strong{display:block;font-size:16px;font-weight:700}
.cross-card span{display:block;font-size:13px;color:var(--text-3);margin-top:4px}
.cross-card svg{width:18px;height:18px;color:var(--primary);flex:0 0 18px}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  margin-top:64px;
  background:#080A12;
  border-top:1px solid var(--line);
  padding:56px 0 0;
  z-index:1;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,var(--primary),var(--violet));
  opacity:.75;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px} }
.footer-about p{margin-top:14px;color:var(--text-2);font-size:14px;max-width:340px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text-1)}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-2);font-size:14px;transition:color .16s var(--ease)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{color:var(--text-3);font-size:13px}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-2);
  transition:color .16s var(--ease);
}
.to-top svg{width:14px;height:14px}
.to-top:hover{color:var(--primary)}

/* ---------- Mobile tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(5,1fr);
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(15,18,32,.96);
  border-top:1px solid var(--line);
  backdrop-filter:blur(14px);
}
@media (min-width:1024px){ .mobile-tab{display:none} }
.tab-item{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--text-3);font-size:11px;
}
.tab-item svg{width:20px;height:20px}
.tab-item.active{color:var(--primary)}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--primary);border-radius:2px;
}
@media (min-width:1024px){ body{padding-bottom:0} }

/* ---------- Form ---------- */
.search-panel{
  display:grid;gap:14px;grid-template-columns:1fr;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  margin-top:8px;
}
@media (min-width:768px){ .search-panel{grid-template-columns:1fr auto;align-items:end} }
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input{
  width:100%;
  background:var(--elevate);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:12px 14px;
  color:var(--text-1);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(53,224,198,.18);
}
.field-hint{font-size:12px;color:var(--text-3);margin-top:8px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

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

/* roulang page: category3 */
:root{
  --void:#07080E;
  --panel:#0F1220;
  --elevate:#151A2E;
  --line:rgba(232,236,255,.10);
  --line-strong:rgba(232,236,255,.18);
  --primary:#35E0C6;
  --primary-hover:#5AEBD5;
  --primary-active:#22B9A4;
  --accent:#F3C56B;
  --violet:#7B6CF6;
  --text-1:#EEF1FA;
  --text-2:#A9B0C7;
  --text-3:#6B7290;
  --error:#FF6B81;
  --r-btn:8px;
  --r-card:14px;
  --r-poster:12px;
  --r-input:10px;
  --shadow-glow:0 0 0 1px rgba(232,236,255,.08), 0 18px 40px -24px rgba(53,224,198,.35);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","DIN Alternate",ui-sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--void);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  padding-bottom:72px;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(53,224,198,.28);color:#fff;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,8,14,.86);
  border-bottom:1px solid transparent;
  transition:background .32s var(--ease),border-color .32s var(--ease),backdrop-filter .32s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,8,14,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
  border-radius:10px;color:#06131a;
  background:linear-gradient(120deg,var(--primary) 0%,var(--violet) 100%);
}
.brand-mark svg{width:19px;height:19px;stroke-width:1.8;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-sub{
  display:none;font-size:12px;color:var(--text-3);padding-left:10px;margin-left:2px;
  border-left:1px solid var(--line-strong);white-space:nowrap;
}
@media(min-width:1024px){.brand-sub{display:inline;}}
.nav-desktop{display:none;align-items:center;gap:6px;}
@media(min-width:1024px){.nav-desktop{display:flex;}}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;color:var(--text-2);border-radius:var(--r-btn);
}
.nav-link:hover{color:var(--text-1);background:rgba(232,236,255,.05);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--violet));
}
.header-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:var(--r-btn);
  border:1px solid var(--line);color:var(--text-2);transition:all .22s var(--ease);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{color:var(--primary);border-color:rgba(53,224,198,.5);background:rgba(53,224,198,.07);}
.header-cta{display:none;}
@media(min-width:640px){.header-cta{display:inline-flex;}}
.nav-toggle{
  width:38px;height:38px;display:grid;place-content:center;gap:4px;border-radius:var(--r-btn);
  border:1px solid var(--line);
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--text-2);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media(min-width:1024px){.nav-toggle{display:none;}}
.mobile-menu{
  max-height:0;overflow:hidden;border-top:1px solid transparent;
  transition:max-height .32s var(--ease);
  background:rgba(9,10,18,.97);
}
.mobile-menu.open{max-height:440px;border-top-color:var(--line);}
.mobile-menu-inner{padding:10px 0 18px;display:grid;gap:2px;}
.mobile-menu a{
  padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.mobile-menu a:hover{color:var(--primary);}
@media(min-width:1024px){.mobile-menu{display:none;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;font-size:15px;font-weight:700;border-radius:var(--r-btn);
  border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .22s var(--ease);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#05161b;}
.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-glow);}
.btn-primary:active{background:var(--primary-active);}
.btn-ghost{border-color:var(--line-strong);color:var(--text-1);background:rgba(255,255,255,.02);}
.btn-ghost:hover{border-color:rgba(53,224,198,.6);color:var(--primary);}
.btn-sm{padding:9px 16px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
}
.link-arrow svg{width:15px;height:15px;transition:transform .22s var(--ease);}
.link-arrow:hover svg{transform:translateX(6px);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding:56px 0 56px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(123,108,246,.18), transparent 62%),
    radial-gradient(760px 360px at 6% 0%, rgba(53,224,198,.14), transparent 60%),
    var(--void);
}
@media(min-width:768px){.page-hero{padding:88px 0 80px;}}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);}
.hero-grid{display:grid;gap:36px;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}}
.tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  border:1px solid rgba(53,224,198,.32);background:rgba(53,224,198,.08);
  color:var(--primary);font-size:13px;font-weight:600;
}
.tag .dot{width:6px;height:6px;border-radius:999px;background:var(--primary);}
h1.hero-title{
  font-size:clamp(30px,5vw,52px);line-height:1.12;letter-spacing:-.02em;font-weight:800;
  margin:20px 0 18px;
}
.hero-title .hl{color:var(--primary);}
.hero-sub{color:var(--text-2);font-size:16px;max-width:620px;}
@media(min-width:768px){.hero-sub{font-size:17px;}}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px;
  padding-top:26px;border-top:1px solid var(--line);
}
.fact-num{font-size:clamp(20px,3vw,28px);font-weight:800;color:var(--accent);letter-spacing:-.02em;}
.fact-label{font-size:13px;color:var(--text-3);margin-top:2px;}
.hero-visual{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow);}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,8,14,.05) 0%,rgba(7,8,14,.78) 100%);
}
.hero-visual-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
}
.hero-visual-caption strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px;}
.hero-visual-caption span{font-size:13px;color:var(--text-2);}

/* ============ 快讯条 ============ */
.ticker{
  border-bottom:1px solid var(--line);background:var(--panel);
}
.ticker-inner{
  display:flex;align-items:center;gap:16px;padding:13px 0;overflow-x:auto;
  scrollbar-width:none;
}
.ticker-inner::-webkit-scrollbar{display:none;}
.ticker-label{
  flex:0 0 auto;font-size:12px;font-weight:700;color:#06131a;background:var(--accent);
  padding:3px 10px;border-radius:999px;
}
.ticker-item{font-size:14px;color:var(--text-2);white-space:nowrap;flex:0 0 auto;}
.ticker-item b{color:var(--text-1);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
@media(min-width:768px){.section{padding:96px 0;}}
@media(min-width:1024px){.section{padding:112px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-title{font-size:clamp(22px,3vw,32px);line-height:1.2;letter-spacing:-.02em;font-weight:800;}
.section-desc{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px;}
.eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:13px;letter-spacing:.14em;
  color:var(--accent);font-weight:700;margin-bottom:12px;
}
.divider-line{height:1px;background:linear-gradient(90deg,var(--primary),var(--violet),transparent);}

/* ============ 时间线（登录步骤） ============ */
.timeline{display:grid;gap:0;margin-top:8px;}
.step{
  position:relative;display:grid;grid-template-columns:44px 1fr;gap:18px;
  padding:22px 0 26px 0;border-top:1px solid var(--line);
}
.step:last-child{border-bottom:1px solid var(--line);}
.step-index{
  font-family:var(--font-num);font-size:20px;font-weight:800;color:var(--accent);
  width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-btn);
  border:1px solid rgba(243,197,107,.32);background:rgba(243,197,107,.07);
}
.step-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step-body p{color:var(--text-2);font-size:15px;}
.step-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-3);}
.step-meta span{border:1px solid var(--line);border-radius:999px;padding:2px 11px;}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}}
.grid-4{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.card h3{font-size:18px;font-weight:700;margin:14px 0 8px;}
.card p{color:var(--text-2);font-size:15px;}
.card-icon{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(53,224,198,.3);background:rgba(53,224,198,.08);color:var(--primary);
}
.card-icon svg{width:20px;height:20px;}
.card-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.card-link svg{width:15px;height:15px;transition:transform .22s var(--ease);}
.card:hover .card-link svg{transform:translateX(6px);}
.poster-card{
  background:var(--elevate);border:1px solid var(--line);border-radius:var(--r-poster);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.poster-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.poster-figure{position:relative;aspect-ratio:16/10;overflow:hidden;}
.poster-figure img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.poster-card:hover .poster-figure img{transform:scale(1.03);}
.poster-body{padding:18px 20px 22px;}
.poster-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.poster-body p{font-size:14px;color:var(--text-2);}
.badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:rgba(53,224,198,.14);color:var(--primary);border:1px solid rgba(53,224,198,.28);
}
.badge-gold{background:rgba(243,197,107,.14);color:var(--accent);border-color:rgba(243,197,107,.3);}
.badge-violet{background:rgba(123,108,246,.16);color:#B4AAFF;border-color:rgba(123,108,246,.34);}

/* ============ 安全提示深色区块 ============ */
.dark-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(15,18,32,.9) 0%,rgba(7,8,14,.96) 100%);
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%, rgba(232,236,255,.5), transparent),
    radial-gradient(1.4px 1.4px at 78% 12%, rgba(53,224,198,.6), transparent),
    radial-gradient(1.6px 1.6px at 62% 76%, rgba(243,197,107,.5), transparent);
  pointer-events:none;
}
.band-grid{position:relative;display:grid;gap:36px;}
@media(min-width:1024px){.band-grid{grid-template-columns:1fr 1fr;gap:64px;align-items:center;}}
.band-list{display:grid;gap:0;margin-top:24px;}
.band-item{
  display:grid;grid-template-columns:26px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line);
}
.band-item:last-child{border-bottom:1px solid var(--line);}
.band-item .idx{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);padding-top:2px;}
.band-item h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.band-item p{font-size:14px;color:var(--text-2);}
.band-visual{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-glow);}
.band-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ FAQ ============ */
.faq{max-width:900px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  padding:20px 0;font-size:17px;font-weight:700;color:var(--text-1);transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .chev{
  flex:0 0 26px;width:26px;height:26px;border-radius:999px;border:1px solid var(--line-strong);
  display:grid;place-items:center;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.faq-q .chev svg{width:14px;height:14px;color:var(--text-2);}
.faq-item.open .faq-q{color:var(--primary);}
.faq-item.open .chev{transform:rotate(180deg);border-color:rgba(53,224,198,.5);}
.faq-item.open .chev svg{color:var(--primary);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{color:var(--text-2);font-size:15px;padding:0 0 20px;max-width:760px;}

/* ============ 查询表单 ============ */
.form-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;display:grid;gap:18px;
}
@media(min-width:768px){.form-panel{padding:34px;}}
.form-row{display:grid;gap:18px;}
@media(min-width:768px){.form-row.cols-2{grid-template-columns:1fr 1fr;}}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--text-1);}
.field .hint{font-size:13px;color:var(--text-3);}
.input,.select,.textarea{
  width:100%;padding:13px 14px;background:rgba(7,8,14,.7);
  border:1px solid var(--line-strong);border-radius:var(--r-input);
  color:var(--text-1);font-size:15px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.input::placeholder,.textarea::placeholder{color:var(--text-3);}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(53,224,198,.16);
}
.textarea{min-height:110px;resize:vertical;}
.field.error .input{border-color:var(--error);box-shadow:0 0 0 3px rgba(255,107,129,.14);}
.field .err-msg{font-size:13px;color:var(--error);display:none;}
.field.error .err-msg{display:block;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-note{font-size:13px;color:var(--text-3);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(21,26,46,.95) 0%,rgba(15,18,32,.95) 100%);
  padding:38px 26px;
}
@media(min-width:768px){.cta-band{padding:52px 48px;}}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--primary),var(--violet),transparent);
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;letter-spacing:-.02em;line-height:1.25;}
.cta-inner p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px;}

/* ============ 内链交叉 ============ */
.cross-links{display:grid;gap:16px;}
@media(min-width:768px){.cross-links{grid-template-columns:1fr 1fr;gap:22px;}}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.cross-card:hover{transform:translateY(-3px);border-color:rgba(53,224,198,.45);}
.cross-card h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.cross-card p{font-size:14px;color:var(--text-2);}
.cross-card .chev{flex:0 0 auto;width:32px;height:32px;border-radius:999px;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--primary);}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);background:#05060C;padding:56px 0 26px;margin-top:0;
}
.site-footer::before{
  content:"";display:block;height:1px;margin-top:-57px;margin-bottom:56px;
  background:linear-gradient(90deg,var(--primary),var(--violet),transparent);
}
.footer-grid{display:grid;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-about p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:360px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{font-size:13px;color:var(--text-3);}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);}
.to-top svg{width:15px;height:15px;transition:transform .22s var(--ease);}
.to-top:hover{color:var(--primary);}
.to-top:hover svg{transform:translateY(-3px);}

/* ============ 移动底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);
  height:56px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(9,10,18,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
@media(min-width:1024px){.tabbar{display:none;}}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);
}
.tab-item svg{width:19px;height:19px;}
.tab-item.active{color:var(--primary);}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--primary);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1 !important;transform:none !important;}
}