/* roulang page: index */
:root{
  --ink-950:#0B0714;
  --ink-900:#150E2A;
  --ink-800:#1E143B;
  --nebula-600:#6C3BFF;
  --nebula-700:#5227D6;
  --nebula-100:#EDE7FF;
  --pulse-500:#FF3D8A;
  --glow-400:#2FE3C4;
  --paper:#F7F5FF;
  --card:#FFFFFF;
  --line:#E7E2F5;
  --text:#241C3A;
  --muted:#6B6480;
  --text-light:#EDE9FF;
  --text-light-muted:#A79FC7;
  --radius-card:14px;
  --radius-img:20px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(30,15,70,.08);
  --shadow-hover:0 14px 34px rgba(108,59,255,.18);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
.site-body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16.5px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body img{max-width:100%;display:block;border:0;}
.site-body a{color:inherit;text-decoration:none;}
.site-body button,.site-body input,.site-body select,.site-body textarea{font-family:inherit;}
.site-body ul{margin:0;padding:0;list-style:none;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0;}
.num{font-variant-numeric:tabular-nums;}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 深色渐变分隔条 ============ */
.section-divider{height:1px;background:linear-gradient(90deg,rgba(108,59,255,0),rgba(108,59,255,.55),rgba(108,59,255,0));}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink-950);border-bottom:1px solid rgba(108,59,255,.32);}
.nav-top{display:flex;align-items:center;gap:22px;height:76px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--nebula-600),var(--pulse-500));display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em;}
.logo-text{display:flex;flex-direction:column;}
.logo-main{font-size:17px;font-weight:800;line-height:1.18;color:#fff;letter-spacing:.02em;}
.logo-sub{font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--text-light-muted);line-height:1.35;}
.nav-search{position:relative;display:flex;align-items:center;flex:1;max-width:560px;height:46px;padding:0 6px 0 14px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(108,59,255,.30);transition:border-color .22s,box-shadow .22s;}
.nav-search:focus-within{border-color:var(--nebula-600);box-shadow:0 0 0 4px rgba(108,59,255,.22);}
.nav-search svg{flex-shrink:0;width:17px;height:17px;stroke:#8b83ab;}
.nav-search input{flex:1;height:100%;min-width:0;border:0;background:transparent;outline:none;color:var(--text-light);font-size:14.5px;padding:0 10px;}
.nav-search input::placeholder{color:#8b83ab;}
.search-btn{flex-shrink:0;height:34px;padding:0 16px;border:0;border-radius:9px;background:var(--pulse-500);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:filter .2s,transform .2s;}
.search-btn:hover{filter:brightness(1.08);}
.search-btn:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-shrink:0;}
.nav-link{padding:9px 12px;border-radius:9px;font-size:14.5px;color:#cdc6e6;transition:color .2s,background .2s;}
.nav-link:hover{color:#fff;background:rgba(108,59,255,.20);}
.nav-link.active{color:#fff;background:rgba(108,59,255,.26);box-shadow:inset 0 0 0 1px rgba(108,59,255,.55);}
.menu-btn{display:none;width:44px;height:44px;border-radius:11px;border:1px solid rgba(108,59,255,.35);background:rgba(255,255,255,.05);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.menu-btn span{display:block;width:18px;height:2px;background:#cdc6e6;border-radius:2px;}
.hot-bar{display:flex;align-items:center;gap:10px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none;}
.hot-bar::-webkit-scrollbar{display:none;}
.hot-label{flex-shrink:0;font-size:12px;color:var(--text-light-muted);letter-spacing:.06em;}
.hot-chip{flex-shrink:0;padding:5px 13px;border-radius:999px;border:1px solid rgba(108,59,255,.35);font-size:12.5px;color:#cdc6e6;white-space:nowrap;transition:background .2s,color .2s,border-color .2s;}
.hot-chip:hover{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff;}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:var(--ink-900);border-left:1px solid rgba(108,59,255,.35);z-index:120;transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-mask{position:fixed;inset:0;background:rgba(6,3,14,.6);opacity:0;visibility:hidden;transition:.3s;z-index:110;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head strong{color:#fff;font-size:15px;letter-spacing:.06em;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(108,59,255,.35);background:transparent;color:#cdc6e6;font-size:20px;line-height:1;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.drawer-nav a{padding:13px 14px;border-radius:11px;font-size:15px;color:#cdc6e6;border:1px solid rgba(108,59,255,.18);}
.drawer-nav a.active{color:#fff;background:rgba(108,59,255,.26);border-color:rgba(108,59,255,.55);}
.drawer-words{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}

/* ============ 按钮体系 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s,filter .18s,color .18s;}
.btn-primary{background:var(--pulse-500);color:#fff;box-shadow:0 10px 24px rgba(255,61,138,.28);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:var(--nebula-600);}
.btn-ghost:hover{background:rgba(108,59,255,.24);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--nebula-700);border-color:var(--nebula-600);}
.btn-outline:hover{background:var(--nebula-100);transform:translateY(-1px);}
.btn-light{background:var(--nebula-100);color:var(--nebula-700);}
.btn-light:hover{background:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn:focus-visible,.search-btn:focus-visible,.menu-btn:focus-visible,.faq-q:focus-visible,.hot-chip:focus-visible,a:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}
.link-more{font-size:14px;font-weight:600;color:var(--nebula-700);position:relative;}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1.5px;background:var(--nebula-600);transition:width .25s;}
.link-more:hover::after{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;}
.badge-glow{border:1px solid var(--glow-400);color:var(--glow-400);background:rgba(47,227,196,.08);}
.badge-pulse{background:var(--pulse-500);color:#fff;}
.badge-soft{background:var(--nebula-100);color:var(--nebula-700);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--glow-400);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-950);color:var(--text-light);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.5;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,7,20,.94),rgba(11,7,20,.55) 55%,rgba(108,59,255,.35));}
.hero-stars{position:absolute;top:26px;right:40px;width:190px;height:130px;opacity:.12;background-image:radial-gradient(circle,#fff 1px,transparent 1px),radial-gradient(circle,#fff 1px,transparent 1px);background-size:52px 46px,80px 70px;background-position:0 0,26px 22px;pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;padding:84px 0 64px;min-height:566px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(108,59,255,.45);background:rgba(108,59,255,.16);font-size:12.5px;font-weight:600;letter-spacing:.05em;color:#d7cfff;margin-bottom:20px;}
.hero-title{font-size:44px;line-height:1.28;font-weight:800;letter-spacing:.01em;margin-bottom:18px;}
.hero-title-main{display:block;}
.hero-title-sub{display:block;margin-top:8px;font-size:21px;font-weight:600;line-height:1.5;color:#c7bcff;}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--text-light-muted);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{position:relative;display:flex;flex-wrap:wrap;gap:14px 36px;padding-top:24px;border-top:1px solid rgba(108,59,255,.28);}
.stat{display:flex;flex-direction:column;gap:4px;}
.stat-label{font-size:12px;letter-spacing:.08em;color:var(--text-light-muted);}
.stat-value{font-size:14.5px;font-weight:600;color:#fff;}
.hero-visual{position:relative;}
.hero-card{border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(108,59,255,.38);box-shadow:0 34px 66px rgba(0,0,0,.5);transform:rotate(-1deg);background:var(--ink-800);}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-card-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;background:rgba(21,14,42,.92);font-size:13.5px;color:#d3cbee;}

/* ============ 板块骨架 ============ */
.section{padding:96px 0;}
.section-light{background:var(--paper);color:var(--text);}
.section-white{background:#fff;color:var(--text);}
.section-dark{background:var(--ink-950);color:var(--text-light);position:relative;overflow:hidden;}
.section-dark::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,rgba(108,59,255,0),rgba(108,59,255,.5),rgba(108,59,255,0));}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px;}
.h2{font-size:30px;line-height:1.32;font-weight:800;letter-spacing:.01em;}
.section-dark .h2{color:#fff;}
.section-sub{margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted);max-width:640px;}
.section-dark .section-sub{color:var(--text-light-muted);}
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--nebula-600);margin-bottom:12px;}
.section-dark .kicker{color:var(--glow-400);}

/* ============ 时间线 ============ */
.timeline{display:flex;flex-direction:column;gap:30px;}
.tl-item{position:relative;display:grid;grid-template-columns:96px 1fr;gap:26px;padding-left:34px;}
.tl-item::before{content:"";position:absolute;left:4px;top:20px;bottom:-34px;border-left:1px dashed rgba(108,59,255,.38);}
.tl-item:last-child::before{display:none;}
.tl-dot{position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:50%;background:var(--glow-400);box-shadow:0 0 0 4px rgba(47,227,196,.18);}
.tl-num{font-size:38px;font-weight:800;line-height:1;color:rgba(108,59,255,.28);font-variant-numeric:tabular-nums;}
.tl-time{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--nebula-700);letter-spacing:.04em;margin-bottom:6px;font-variant-numeric:tabular-nums;}
.tl-tag{padding:3px 10px;border-radius:999px;background:var(--nebula-100);color:var(--nebula-700);font-size:11.5px;font-weight:600;}
.tl-title{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:6px;}
.tl-desc{font-size:15px;line-height:1.8;color:var(--muted);max-width:640px;}

/* ============ 嘉宾卡 ============ */
.guest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guest-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s,border-color .25s;}
.guest-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,255,.45);}
.guest-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-bottom:14px;background:var(--ink-800);}
.guest-name{font-size:17px;font-weight:700;line-height:1.4;}
.guest-role{font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.guest-note{font-size:14px;line-height:1.75;color:var(--muted);}

/* ============ 参赛组别 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start;}
.tier-card{position:relative;padding:32px 26px;border-radius:18px;background:rgba(30,20,59,.55);border:1px solid rgba(108,59,255,.28);box-shadow:inset 0 0 40px rgba(108,59,255,.07);transition:transform .25s,border-color .25s;}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.6);}
.tier-card.featured{margin-top:-16px;padding-top:44px;padding-bottom:42px;border-color:var(--nebula-600);background:linear-gradient(180deg,rgba(108,59,255,.22),rgba(30,20,59,.6));}
.tier-flag{position:absolute;top:-13px;left:26px;}
.tier-name{font-size:20px;font-weight:700;color:#fff;margin-bottom:6px;}
.tier-desc{font-size:13.5px;color:var(--text-light-muted);line-height:1.7;margin-bottom:18px;}
.tier-price{display:flex;align-items:baseline;gap:6px;font-size:38px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:22px;}
.tier-price span{font-size:14px;font-weight:500;color:var(--text-light-muted);}
.tier-perks{display:grid;gap:11px;margin-bottom:26px;}
.perk{display:grid;grid-template-columns:18px 1fr;gap:10px;font-size:14px;line-height:1.7;color:#d5ceef;}
.perk svg{width:16px;height:16px;margin-top:5px;stroke:var(--glow-400);}

/* ============ 报名表单 ============ */
.signup-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:start;}
.form-panel{padding:34px;border-radius:18px;background:rgba(30,20,59,.62);border:1px solid rgba(108,59,255,.3);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:#d5ceef;margin-bottom:8px;}
.field label i{color:var(--pulse-500);font-style:normal;}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border-radius:12px;background:rgba(11,7,20,.6);border:1px solid rgba(108,59,255,.3);color:#fff;font-size:14.5px;outline:none;transition:border-color .2s,box-shadow .2s;}
.field input::placeholder,.field textarea::placeholder{color:#7d759c;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--nebula-600);box-shadow:0 0 0 4px rgba(108,59,255,.2);}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field select option{background:var(--ink-900);color:#fff;}
.field.error input,.field.error select{border-color:var(--pulse-500);box-shadow:0 0 0 3px rgba(255,61,138,.16);}
.field-tip{display:none;margin-top:6px;font-size:12.5px;color:var(--pulse-500);}
.field.error .field-tip{display:block;}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.7;color:var(--text-light-muted);margin:6px 0 22px;}
.agree input{width:17px;height:17px;margin-top:4px;accent-color:var(--nebula-600);flex-shrink:0;}
.agree a{color:var(--glow-400);}
.form-ok{display:none;margin-top:16px;padding:13px 16px;border-radius:12px;border:1px solid var(--glow-400);background:rgba(47,227,196,.1);color:#c9fff4;font-size:14px;}
.form-ok.show{display:block;}
.side-list{display:grid;gap:16px;}
.side-item{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:18px;border-radius:14px;border:1px solid rgba(108,59,255,.26);background:rgba(30,20,59,.4);}
.side-num{font-size:15px;font-weight:800;color:var(--glow-400);font-variant-numeric:tabular-nums;}
.side-title{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:4px;}
.side-text{font-size:13.5px;line-height:1.75;color:var(--text-light-muted);}

/* ============ 内容卡片（CMS） ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s,border-color .25s;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,255,.4);}
.post-cover{position:relative;display:block;}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink-800);}
.post-badge{position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:999px;background:rgba(11,7,20,.82);border:1px solid rgba(108,59,255,.5);font-size:11.5px;font-weight:600;color:#ded7ff;}
.post-body{display:flex;flex-direction:column;flex:1;padding:20px;}
.post-title{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-title{color:var(--nebula-700);}
.post-sum{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.empty-box{grid-column:1/-1;padding:52px 24px;text-align:center;border:1px dashed rgba(108,59,255,.45);border-radius:var(--radius-card);background:#fff;}
.empty-box p{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .25s,box-shadow .25s;}
.faq-item.open{border-color:rgba(108,59,255,.45);box-shadow:var(--shadow-card);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:20px 22px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:700;color:var(--text);cursor:pointer;}
.faq-icon{flex-shrink:0;width:22px;height:22px;stroke:var(--muted);transition:transform .28s,stroke .28s;}
.faq-item.open .faq-icon{transform:rotate(180deg);stroke:var(--glow-400);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-950);color:var(--text-light-muted);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr 1.1fr;gap:36px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:13.5px;line-height:1.85;max-width:280px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;transition:color .2s;}
.footer-col a:hover{color:var(--glow-400);}
.footer-form{display:flex;gap:8px;margin-top:12px;}
.footer-form input{flex:1;min-width:0;height:42px;padding:0 13px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(108,59,255,.32);color:#fff;font-size:13.5px;outline:none;}
.footer-form input:focus{border-color:var(--nebula-600);box-shadow:0 0 0 3px rgba(108,59,255,.2);}
.footer-form input::placeholder{color:#7d759c;}
.footer-form button{height:42px;padding:0 16px;border:0;border-radius:10px;background:var(--nebula-600);color:#fff;font-size:13.5px;font-weight:600;cursor:pointer;transition:background .2s;}
.footer-form button:hover{background:var(--nebula-700);}
.footer-bottom{border-top:1px solid rgba(108,59,255,.24);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;font-size:12.5px;}
.footer-bottom p{line-height:1.8;}
.footer-bottom a:hover{color:var(--glow-400);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none;}
  .menu-btn{display:flex;}
  .nav-search{max-width:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 56px;min-height:0;}
  .hero-title{font-size:34px;}
  .hero-title-sub{font-size:19px;}
  .guest-grid{grid-template-columns:repeat(2,1fr);}
  .tier-grid{grid-template-columns:1fr;gap:22px;}
  .tier-card.featured{margin-top:0;padding-top:34px;padding-bottom:32px;order:-1;}
  .signup-wrap{grid-template-columns:1fr;gap:34px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .footer-desc{max-width:none;}
  .section{padding:72px 0;}
  .h2{font-size:26px;}
}
@media (max-width:768px){
  .nav-top{gap:14px;}
  .nav-search{height:44px;padding-left:12px;}
  .search-btn{padding:0 13px;}
  .hot-label{display:none;}
  .hero-title{font-size:30px;}
  .hero-title-sub{font-size:17.5px;}
  .tl-item{grid-template-columns:1fr;gap:8px;padding-left:26px;}
  .tl-num{font-size:26px;}
  .tl-item::before{left:4px;top:18px;bottom:-30px;}
  .timeline{gap:26px;}
  .hero-stats{gap:16px 26px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .form-panel{padding:24px;}
}
@media (max-width:640px){
  .site-body{font-size:16px;}
  .container-x{padding:0 16px;}
  .guest-grid,.post-grid,.footer-grid{grid-template-columns:1fr;}
  .h2{font-size:24px;}
  .hero-title{font-size:27px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
}

/* roulang page: article */
:root{
  --ink-950:#0B0714;
  --ink-900:#150E2A;
  --ink-800:#1E143B;
  --nebula-600:#6C3BFF;
  --nebula-700:#5227D6;
  --nebula-100:#EDE7FF;
  --pulse-500:#FF3D8A;
  --glow-400:#2FE3C4;
  --paper:#F7F5FF;
  --card:#FFFFFF;
  --line:#E7E2F5;
  --text:#241C3A;
  --muted:#6B6480;
  --deep-text:#EDE9FF;
  --deep-muted:#A79FC7;
  --r-card:14px;
  --r-img:20px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(30,15,70,.08);
  --shadow-hover:0 14px 34px rgba(108,59,255,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.num,.article-meta,.toc-item,.stat-num,.footer-col li{font-variant-numeric:tabular-nums;}
::selection{background:var(--nebula-600);color:#fff;}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink-950);
  border-bottom:1px solid rgba(108,59,255,.45);
}
.nav-top{display:flex;align-items:center;gap:20px;height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--nebula-600),var(--pulse-500));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-weight:800;font-size:17px;color:var(--deep-text);letter-spacing:.02em;}
.logo-sub{font-weight:500;font-size:11px;letter-spacing:.12em;color:var(--deep-muted);}

.nav-search{
  flex:1 1 auto;max-width:560px;margin:0 auto;position:relative;
  display:flex;align-items:center;height:46px;
  background:var(--ink-800);
  border:1px solid rgba(108,59,255,.32);
  border-radius:12px;padding:0 6px 0 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--nebula-600);box-shadow:0 0 0 4px rgba(108,59,255,.22);}
.nav-search svg{width:18px;height:18px;stroke:var(--deep-muted);fill:none;stroke-width:2;stroke-linecap:round;flex-shrink:0;}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--deep-text);padding:0 12px;font-size:14.5px;}
.nav-search input::placeholder{color:#7C74A0;}
.search-btn{
  border:0;cursor:pointer;background:transparent;color:var(--pulse-500);
  font-size:14px;font-weight:700;padding:8px 12px;border-radius:8px;
  transition:background-color .2s ease,color .2s ease;
}
.search-btn:hover{background:rgba(255,61,138,.14);}
.search-btn:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}

.nav-links{display:flex;align-items:center;gap:6px;flex-shrink:0;}
.nav-link{
  font-size:14.5px;color:var(--deep-muted);padding:9px 12px;border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--deep-text);background:rgba(108,59,255,.18);}
.nav-link.active{color:#fff;background:rgba(108,59,255,.28);box-shadow:0 0 0 1px rgba(108,59,255,.5) inset;}
.nav-link:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;
  cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,filter .2s ease,color .2s ease;
}
.btn-primary{background:var(--pulse-500);color:#fff;padding:12px 22px;font-size:15px;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,61,138,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}
.btn-ghost{background:transparent;border-color:rgba(108,59,255,.55);color:var(--nebula-100);padding:12px 22px;font-size:15px;}
.btn-ghost:hover{background:var(--nebula-100);color:var(--nebula-700);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}

.menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(108,59,255,.4);
  background:var(--ink-800);cursor:pointer;flex-direction:column;justify-content:center;
  align-items:center;gap:4px;flex-shrink:0;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--deep-text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.hot-bar{
  display:flex;align-items:center;gap:10px;
  padding:0 0 14px;overflow-x:auto;scrollbar-width:none;
}
.hot-bar::-webkit-scrollbar{display:none;}
.hot-label{font-size:12px;color:#7C74A0;letter-spacing:.08em;flex-shrink:0;}
.hot-chip{
  flex-shrink:0;font-size:12.5px;color:var(--deep-muted);
  border:1px solid rgba(108,59,255,.3);border-radius:999px;padding:5px 13px;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.hot-chip:hover{background:var(--nebula-600);color:#fff;border-color:var(--nebula-600);}
.hot-chip:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}

.mobile-drawer{
  display:none;background:var(--ink-900);
  border-bottom:1px solid rgba(108,59,255,.35);
  padding:16px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-link{
  display:block;padding:12px 14px;border-radius:10px;color:var(--deep-text);
  font-size:15px;background:rgba(108,59,255,.12);margin-bottom:8px;
}
.mobile-drawer .drawer-link:hover{background:rgba(108,59,255,.26);}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:95;
  background:linear-gradient(90deg,var(--nebula-600),var(--pulse-500));
  transition:width .1s linear;
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:28px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--nebula-700);}
.crumb-sep{color:#BDB6D4;}
.crumb-current{color:var(--text);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-wrap{padding:22px 0 96px;}
.article-head{max-width:820px;margin:0 auto;padding:22px 0 26px;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.chip-nebula{background:var(--nebula-100);color:var(--nebula-700);}
.chip-glow{background:rgba(47,227,196,.16);color:#0F7A67;}
.chip-line{background:#fff;border:1px solid var(--line);color:var(--muted);}
.article-head h1{
  font-size:34px;line-height:1.32;font-weight:800;color:var(--ink-900);
  margin:16px 0 18px;letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC8E6;}
.article-meta strong{color:var(--nebula-700);font-weight:600;}

.article-cover{max-width:900px;margin:0 auto 44px;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  background:var(--ink-800);box-shadow:var(--shadow-card);
}
.article-cover figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:12px;}

/* ---------- 正文 + 侧栏 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start;}
.article-main{max-width:780px;margin:0 auto;width:100%;}
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:22px;line-height:1.35;font-weight:800;color:var(--ink-900);
  margin:2em 0 .8em;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
  border-radius:2px;background:var(--nebula-600);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink-900);margin:1.7em 0 .6em;}
.article-body h4{font-size:16.5px;font-weight:700;color:var(--ink-900);margin:1.4em 0 .5em;}
.article-body ul{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ul li::marker{color:var(--glow-400);}
.article-body ol{margin:0 0 1.2em;padding-left:1.5em;counter-reset:none;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body ol li::marker{color:var(--nebula-600);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--glow-400);
  background:#F1EDFF;border-radius:0 12px 12px 0;color:#3A3059;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;}
.article-body a{color:var(--nebula-700);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--pulse-500);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;border:1px solid var(--line);}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body thead th{background:var(--nebula-100);color:var(--ink-900);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FAF9FF;}
.article-body pre{
  background:var(--ink-900);color:var(--deep-text);padding:16px 18px;
  border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{background:#F1EDFF;color:var(--nebula-700);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,var(--nebula-600),rgba(108,59,255,0));margin:2.4em 0;}

/* ---------- 空态 ---------- */
.empty-article{
  border:1px dashed #C9C0E8;border-radius:var(--r-card);background:#fff;
  padding:52px 28px;text-align:center;
}
.empty-article h2{font-size:22px;font-weight:800;color:var(--ink-900);margin-bottom:12px;}
.empty-article p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 文末标签与分享 ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px;}
.tag-row .tag-label{font-size:13px;color:var(--muted);}
.chip-tag{background:#fff;border:1px solid var(--line);color:var(--muted);height:30px;}
.chip-tag:hover{border-color:var(--nebula-600);color:var(--nebula-700);}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.share-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;transition:all .2s ease;
}
.share-btn svg{width:17px;height:17px;stroke:var(--muted);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.share-btn:hover{border-color:var(--nebula-600);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.share-btn:hover svg{stroke:var(--nebula-700);}
.share-btn:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}
.copy-tip{font-size:12.5px;color:var(--glow-400);min-height:18px;}
.link-more{
  font-size:14.5px;font-weight:600;color:var(--nebula-700);position:relative;
  padding-bottom:3px;display:inline-flex;align-items:center;gap:6px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--nebula-700);transition:width .28s ease;
}
.link-more:hover::after{width:100%;}
.link-more:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-card);}
.side-title{font-size:14px;font-weight:800;color:var(--ink-900);margin-bottom:14px;letter-spacing:.02em;}
.toc-item a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--muted);
  padding:7px 10px;border-left:2px solid var(--line);border-radius:0 8px 8px 0;
  transition:all .2s ease;
}
.toc-item.toc-h3 a{padding-left:22px;font-size:13px;}
.toc-item a:hover{color:var(--nebula-700);border-left-color:var(--nebula-600);background:var(--paper);}
.toc-empty{font-size:13.5px;color:var(--muted);}
.side-links li + li{margin-top:10px;}
.side-links a{font-size:13.8px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.side-links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--glow-400);margin-top:8px;flex-shrink:0;}
.side-links a:hover{color:var(--nebula-700);}

/* ---------- 相关推荐 ---------- */
.related-section{background:#fff;border-top:1px solid var(--line);padding:88px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px;}
.section-head h2{font-size:28px;font-weight:800;color:var(--ink-900);line-height:1.3;}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:640px;}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,255,.4);}
.entry-card .thumb{position:relative;background:var(--ink-800);}
.entry-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.entry-card .badge{
  position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(11,7,20,.82);color:var(--deep-text);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.entry-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.entry-body h3{font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;margin-bottom:10px;}
.entry-card:hover h3{color:var(--nebula-700);}
.entry-body p{font-size:14px;line-height:1.75;color:var(--muted);flex:1;}
.entry-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#948CB4;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:var(--deep-muted);padding:72px 0 28px;border-top:1px solid rgba(108,59,255,.35);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:13.5px;line-height:1.9;color:var(--deep-muted);max-width:280px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--deep-text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{font-size:13.5px;line-height:1.9;color:var(--deep-muted);margin-bottom:9px;}
.footer-col a{color:var(--deep-muted);}
.footer-col a:hover{color:var(--glow-400);}
.footer-col a:focus-visible{outline:2px solid var(--glow-400);outline-offset:3px;}
.footer-form{display:flex;gap:8px;margin-top:6px;}
.footer-form input{
  flex:1;min-width:0;height:40px;border-radius:10px;border:1px solid rgba(108,59,255,.4);
  background:var(--ink-800);color:var(--deep-text);padding:0 12px;font-size:13.5px;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:#7C74A0;}
.footer-form input:focus{border-color:var(--nebula-600);box-shadow:0 0 0 4px rgba(108,59,255,.22);}
.footer-form button{
  height:40px;padding:0 16px;border:0;border-radius:10px;cursor:pointer;
  background:var(--pulse-500);color:#fff;font-size:13.5px;font-weight:600;white-space:nowrap;
  transition:filter .2s ease,transform .18s ease;
}
.footer-form button:hover{filter:brightness(1.08);transform:translateY(-1px);}
.footer-form button:active{transform:translateY(1px);}
.footer-form button:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(108,59,255,.22);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:#8B83AE;
}
.site-footer .link-more{color:var(--glow-400);font-size:14px;}
.site-footer .link-more::after{background:var(--glow-400);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-search{max-width:340px;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{position:static;margin-top:44px;}
  .article-main{max-width:780px;}
}
@media (max-width:860px){
  .nav-links .nav-link{display:none;}
  .menu-btn{display:flex;}
  .nav-search{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-desc{max-width:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container-x{padding:0 16px;}
  .nav-top{height:auto;padding:14px 0;flex-wrap:wrap;gap:12px;}
  .nav-search{order:3;width:100%;max-width:none;height:44px;margin:0;}
  .nav-links{margin-left:auto;}
  .nav-links .btn{display:none;}
  .hot-bar{padding-bottom:12px;}
  .article-head h1{font-size:26px;}
  .article-head{padding:16px 0 20px;}
  .article-wrap{padding:16px 0 64px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:19.5px;}
  .article-layout{gap:0;}
  .card-grid-3{grid-template-columns:1fr;}
  .related-section{padding:60px 0;}
  .section-head h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:56px 0 24px;}
  .foot-actions{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-head h1{font-size:23px;}
  .article-cover img{aspect-ratio:4/3;}
  .article-meta{font-size:12.5px;gap:8px;}
  .empty-article{padding:40px 18px;}
}

/* roulang page: category1 */
:root{
  --ink-950:#0B0714;
  --ink-900:#150E2A;
  --ink-800:#1E143B;
  --nebula-600:#6C3BFF;
  --nebula-700:#5227D6;
  --nebula-100:#EDE7FF;
  --pulse-500:#FF3D8A;
  --glow-400:#2FE3C4;
  --paper:#F7F5FF;
  --card:#FFFFFF;
  --line:#E7E2F5;
  --body:#241C3A;
  --muted:#6B6480;
  --d-text:#EDE9FF;
  --d-muted:#A79FC7;
  --r-card:14px;
  --r-img:20px;
  --r-btn:10px;
  --r-input:12px;
  --shadow-1:0 8px 24px rgba(30,15,70,.08);
  --shadow-2:0 14px 34px rgba(108,59,255,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--body);}
p{margin:0;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;color:inherit;}
.num{font-variant-numeric:tabular-nums;}
::selection{background:rgba(108,59,255,.25);}
:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink-950);
  border-bottom:1px solid rgba(108,59,255,.55);
}
.nav-top{display:flex;align-items:center;gap:20px;min-height:76px;position:relative;}
.logo{display:flex;align-items:center;gap:11px;flex:none;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--nebula-600),var(--pulse-500));
  color:#fff;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px rgba(108,59,255,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-main{color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;}
.logo-sub{color:var(--d-muted);font-size:11px;font-weight:500;letter-spacing:.12em;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;height:46px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(108,59,255,.3);
  border-radius:12px;padding:0 6px 0 42px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:19px;height:19px;stroke:var(--d-muted);}
.nav-search:hover{border-color:rgba(108,59,255,.55);}
.nav-search:focus-within{border-color:var(--nebula-600);box-shadow:0 0 0 4px rgba(108,59,255,.22);}
.nav-search input[type="search"]{
  flex:1;min-width:0;height:100%;border:none;background:none;outline:none;
  color:#fff;font-size:14.5px;
}
.nav-search input[type="search"]::placeholder{color:rgba(167,159,199,.85);}
.search-btn{
  flex:none;height:34px;padding:0 16px;border:none;border-radius:9px;
  background:var(--pulse-500);color:#fff;font-size:13.5px;font-weight:600;
  transition:filter .18s ease,transform .18s ease;
}
.search-btn:hover{filter:brightness(1.08);}
.search-btn:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:6px;flex:none;}
.nav-link{
  color:var(--d-muted);font-size:14.5px;padding:9px 13px;border-radius:9px;
  transition:color .18s ease,background-color .18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(108,59,255,.22);}
.nav-link.active{color:#fff;background:rgba(108,59,255,.32);}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(108,59,255,.45);background:rgba(255,255,255,.04);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  margin-left:auto;transition:background-color .18s ease;
}
.menu-btn span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.menu-btn:hover{background:rgba(108,59,255,.25);}
.hot-bar{display:flex;align-items:center;gap:10px;padding:0 0 13px;overflow-x:auto;scrollbar-width:none;}
.hot-bar::-webkit-scrollbar{display:none;}
.hot-label{flex:none;font-size:12px;color:var(--d-muted);letter-spacing:.06em;}
.hot-chip{
  flex:none;font-size:12.5px;color:var(--d-muted);
  border:1px solid rgba(108,59,255,.32);border-radius:999px;padding:5px 13px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.hot-chip:hover{background:var(--nebula-600);color:#fff;border-color:var(--nebula-600);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--pulse-500);color:#fff;box-shadow:0 8px 20px rgba(255,61,138,.28);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(108,59,255,.8);}
.btn-ghost:hover{background:rgba(108,59,255,.26);}
.btn-outline{background:#fff;color:var(--nebula-700);border-color:rgba(108,59,255,.45);}
.btn-outline:hover{background:var(--nebula-100);border-color:var(--nebula-600);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
.link-more{
  position:relative;display:inline-block;font-size:14px;font-weight:600;
  color:var(--nebula-700);padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--nebula-600);transition:width .25s ease;
}
.link-more:hover::after{width:100%;}

/* ============ 矮版 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 58px;
  background-image:
    linear-gradient(120deg,rgba(11,7,20,.95),rgba(11,7,20,.74) 58%,rgba(108,59,255,.46)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;
  background-image:
    radial-gradient(2px 2px at 12% 26%,rgba(237,233,255,.95),transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 20%,rgba(47,227,196,.85),transparent 60%),
    radial-gradient(1.5px 1.5px at 62% 78%,rgba(237,233,255,.7),transparent 60%),
    radial-gradient(2px 2px at 90% 64%,rgba(108,59,255,.9),transparent 60%);
}
.page-hero .container-x{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--d-muted);margin-bottom:18px;}
.crumb a{transition:color .18s ease;}
.crumb a:hover{color:var(--glow-400);}
.crumb span.sep{color:rgba(167,159,199,.55);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:12.5px;color:var(--glow-400);
  border:1px solid rgba(47,227,196,.5);border-radius:999px;padding:4px 13px;
}
.hero-badge i{font-size:10px;}
.page-hero h1{font-size:44px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.page-hero .hero-sub{margin-top:14px;max-width:760px;font-size:16.5px;color:var(--d-muted);line-height:1.8;}

/* ============ 数据条 ============ */
.stat-band{background:var(--ink-900);padding:26px 0 32px;border-bottom:1px solid rgba(108,59,255,.32);}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.stat-item{border-left:1px solid rgba(108,59,255,.38);padding-left:18px;}
.stat-num{font-size:32px;font-weight:800;color:#fff;letter-spacing:-.01em;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--glow-400);margin-left:5px;}
.stat-label{font-size:13px;color:var(--d-muted);margin-top:4px;}

/* ============ 筛选带 ============ */
.filter-band{background:#fff;border-bottom:1px solid var(--line);padding:20px 0 22px;}
.filter-row{display:flex;align-items:flex-start;gap:14px;padding:7px 0;}
.filter-label{flex:none;width:60px;font-size:13.5px;font-weight:600;color:var(--muted);line-height:32px;}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;}
.chip-btn{
  font-size:13.5px;color:var(--body);background:var(--paper);
  border:1px solid var(--line);border-radius:999px;padding:5px 15px;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip-btn:hover{border-color:var(--nebula-600);color:var(--nebula-700);background:var(--nebula-100);}
.chip-btn.is-active{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff;box-shadow:0 6px 16px rgba(108,59,255,.28);}

/* ============ 列表区 ============ */
.list-section{padding:64px 0 84px;}
.list-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:32px;align-items:start;}
.side-filter{
  position:sticky;top:150px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--shadow-1);
}
.side-filter h2{font-size:15px;margin-bottom:16px;}
.side-block + .side-block{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);}
.side-block h3{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-bottom:11px;}
.side-list li + li{margin-top:8px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--muted);padding:5px 8px;border-radius:8px;
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.side-list a span.n{font-size:12.5px;color:rgba(107,100,128,.7);font-variant-numeric:tabular-nums;}
.side-list a:hover{background:var(--nebula-100);color:var(--nebula-700);padding-left:12px;}
.side-list a:hover span.n{color:var(--nebula-700);}
.side-tip{
  margin-top:20px;padding:14px;border-radius:12px;background:var(--paper);
  border:1px dashed rgba(108,59,255,.35);
}
.side-tip p{font-size:13px;color:var(--muted);line-height:1.7;}
.side-tip .link-more{margin-top:8px;font-size:13.5px;}

.list-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.list-head h2{font-size:30px;letter-spacing:-.01em;}
.list-head .count{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;}

.row-card{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;margin-bottom:18px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(108,59,255,.38);}
.row-cover{position:relative;display:block;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:var(--ink-800);}
.row-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.row-card:hover .row-cover img{transform:scale(1.045);}
.cover-tag{
  position:absolute;left:10px;top:10px;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;color:#fff;
  background:rgba(11,7,20,.78);border:1px solid rgba(255,255,255,.22);
}
.cover-tag.is-live{color:var(--glow-400);border-color:rgba(47,227,196,.6);background:rgba(11,7,20,.85);}
.cover-tag.is-hot{background:var(--pulse-500);border-color:transparent;}
.cover-tag.is-over{color:var(--d-muted);border-color:rgba(167,159,199,.35);}
.row-body{display:flex;flex-direction:column;min-width:0;}
.row-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.chip{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  padding:2px 10px;border-radius:999px;background:var(--nebula-100);color:var(--nebula-700);
}
.chip-glow{background:rgba(47,227,196,.15);color:#0E8B78;}
.dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.row-body h3{font-size:20px;margin:9px 0 8px;font-weight:700;}
.row-body h3 a{transition:color .18s ease;}
.row-body h3 a:hover{color:var(--nebula-600);}
.row-desc{
  font-size:14.5px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-foot{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:auto;padding-top:12px;font-size:13px;color:var(--muted);
}
.row-foot .left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.row-foot .left i{color:var(--glow-400);margin-right:5px;font-size:12px;}

/* ============ 分页 ============ */
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap;}
.page-btn{
  min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.page-btn:hover{border-color:var(--nebula-600);color:var(--nebula-700);background:var(--nebula-100);}
.page-btn.is-current{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff;font-weight:600;}
.page-btn.is-disabled{opacity:.42;cursor:not-allowed;}
.page-btn.is-disabled:hover{border-color:var(--line);color:var(--muted);background:#fff;}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line);padding:72px 0 80px;}
.section-head{max-width:680px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--nebula-700);background:var(--nebula-100);border-radius:999px;padding:4px 13px;margin-bottom:14px;
}
.section-head h2{font-size:30px;letter-spacing:-.01em;}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--muted);}
.faq-wrap{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(108,59,255,.3);}
.faq-item.is-open{border-color:rgba(108,59,255,.45);box-shadow:0 8px 24px rgba(108,59,255,.1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:16px 20px;
  font-size:16px;font-weight:700;color:var(--body);line-height:1.6;
}
.faq-q i{flex:none;font-size:14px;color:var(--muted);transition:transform .25s ease,color .25s ease;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--glow-400);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.9;color:var(--muted);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;color:#fff;padding:60px 0;
  background-image:linear-gradient(120deg,var(--ink-950),var(--ink-800) 62%,rgba(108,59,255,.58));
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.1;
  background-image:
    radial-gradient(2px 2px at 8% 22%,rgba(237,233,255,.9),transparent 60%),
    radial-gradient(1.5px 1.5px at 92% 30%,rgba(47,227,196,.9),transparent 60%),
    radial-gradient(1.5px 1.5px at 74% 82%,rgba(237,233,255,.7),transparent 60%);
}
.cta-inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:32px;letter-spacing:-.01em;}
.cta-band p{margin-top:12px;max-width:640px;font-size:15.5px;color:var(--d-muted);line-height:1.85;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-950);color:var(--d-muted);padding:64px 0 28px;border-top:1px solid rgba(108,59,255,.35);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr 1.3fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:13.5px;line-height:1.8;color:var(--d-muted);}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;font-size:13.5px;line-height:1.7;}
.footer-col a{transition:color .18s ease;}
.footer-col a:hover{color:var(--glow-400);}
.footer-form{display:flex;gap:8px;margin-top:12px;}
.footer-form input{
  flex:1;min-width:0;height:40px;padding:0 12px;font-size:13.5px;
  border-radius:10px;border:1px solid rgba(108,59,255,.42);
  background:rgba(255,255,255,.05);color:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input::placeholder{color:rgba(167,159,199,.8);}
.footer-form input:focus{border-color:var(--nebula-600);box-shadow:0 0 0 3px rgba(108,59,255,.22);}
.footer-form button{
  flex:none;height:40px;padding:0 14px;border:none;border-radius:10px;
  background:var(--nebula-600);color:#fff;font-size:13.5px;font-weight:600;
  transition:background-color .18s ease;
}
.footer-form button:hover{background:var(--nebula-700);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(108,59,255,.24);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(167,159,199,.85);line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .side-filter{top:170px;}
}
@media (max-width:1023px){
  .nav-top{flex-wrap:wrap;min-height:auto;padding:14px 0 6px;gap:12px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0;}
  .menu-btn{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;z-index:90;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 24px 24px;background:var(--ink-900);
    border-bottom:1px solid rgba(108,59,255,.45);
    box-shadow:0 24px 40px rgba(11,7,20,.5);
  }
  .nav-links.open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:10px;font-size:15px;}
  .nav-links .btn{margin-top:8px;}
  .page-hero{padding:40px 0 46px;}
  .page-hero h1{font-size:34px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .list-section{padding:48px 0 64px;}
  .list-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .side-filter{position:static;}
  .faq-section{padding:56px 0 64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section-head h2,.list-head h2,.cta-band h2{font-size:26px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container-x{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .stat-num{font-size:26px;}
  .row-card{grid-template-columns:minmax(0,1fr);gap:16px;padding:14px;}
  .row-cover{aspect-ratio:16/9;}
  .row-body h3{font-size:18px;}
  .row-foot{flex-direction:column;align-items:flex-start;gap:8px;}
  .filter-label{width:100%;line-height:1.4;margin-bottom:2px;}
  .filter-row{flex-direction:column;gap:8px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .stat-item{padding-left:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .nav-links{padding:14px 16px 20px;}
  .list-head h2{font-size:24px;}
  .section-head h2,.cta-band h2{font-size:24px;}
  .page-btn{min-width:36px;height:36px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --ink-950:#0B0714;--ink-900:#150E2A;--ink-800:#1E143B;
  --nebula-600:#6C3BFF;--nebula-700:#5227D6;--nebula-100:#EDE7FF;
  --pulse-500:#FF3D8A;--glow-400:#2FE3C4;
  --paper:#F7F5FF;--card:#FFFFFF;--line:#E7E2F5;
  --text:#241C3A;--text-2:#6B6480;
  --text-inv:#EDE9FF;--text-inv-2:#A79FC7;
  --r-card:14px;--r-img:18px;--r-btn:10px;
  --sh-card:0 8px 24px rgba(30,15,70,.08);
  --sh-hover:0 14px 34px rgba(108,59,255,.18);
  --c-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--nebula-600);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container-x{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--ink-950);border-bottom:1px solid rgba(108,59,255,.34)}
.nav-top{position:relative;display:flex;align-items:center;gap:24px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--nebula-600),var(--pulse-500));color:#fff;font-weight:800;font-size:18px;letter-spacing:0}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-main{font-size:16px;font-weight:800;color:#fff;letter-spacing:.02em}
.logo-sub{font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--glow-400)}
.nav-search{flex:1;max-width:560px;display:flex;align-items:center;gap:10px;height:46px;padding:0 8px 0 16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(108,59,255,.42);border-radius:999px;transition:border-color .2s,box-shadow .2s}
.nav-search svg{width:18px;height:18px;flex:none;stroke:var(--text-inv-2);fill:none}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:#fff;font-size:14.5px}
.nav-search input::placeholder{color:#8A83A8}
.nav-search:focus-within{border-color:var(--nebula-600);box-shadow:0 0 0 4px rgba(108,59,255,.22)}
.search-btn{flex:none;height:34px;padding:0 16px;border:0;border-radius:999px;cursor:pointer;
  background:var(--pulse-500);color:#fff;font-size:13.5px;font-weight:600;transition:filter .18s,transform .18s}
.search-btn:hover{filter:brightness(1.08)}
.search-btn:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:9px 14px;border-radius:999px;font-size:14.5px;color:var(--text-inv-2);transition:color .18s,background .18s}
.nav-link:hover{color:#fff;background:rgba(108,59,255,.16)}
.nav-link.active{color:#fff;background:rgba(108,59,255,.26)}
.nav-links .btn{margin-left:10px}
.menu-btn{display:none;width:42px;height:42px;margin-left:auto;flex-direction:column;justify-content:center;gap:5px;
  padding:0 11px;background:rgba(255,255,255,.06);border:1px solid rgba(108,59,255,.4);border-radius:12px;cursor:pointer}
.menu-btn span{display:block;height:2px;border-radius:2px;background:var(--text-inv)}
.hot-bar{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.hot-bar::-webkit-scrollbar{display:none}
.hot-label{flex:none;font-size:12px;letter-spacing:.1em;color:#7B7396}
.hot-chip{flex:none;padding:5px 13px;border-radius:999px;font-size:13px;color:var(--text-inv-2);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);transition:.18s}
.hot-chip:hover{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .18s,box-shadow .2s,filter .18s}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--pulse-500);color:#fff;box-shadow:0 8px 22px rgba(255,61,138,.26)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--text-inv);border-color:rgba(108,59,255,.62)}
.btn-ghost:hover{background:rgba(108,59,255,.18)}
.btn-outline{background:#fff;color:var(--nebula-700);border-color:var(--nebula-600)}
.btn-outline:hover{background:var(--nebula-100)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.link-more{display:inline-block;font-size:14.5px;font-weight:600;color:var(--nebula-700);position:relative}
.link-more::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--nebula-600);transition:width .25s ease}
.link-more:hover::after{width:100%}

/* ---------- page head ---------- */
.page-head{position:relative;background:var(--paper);padding:44px 0 36px;border-bottom:1px solid var(--line);overflow:hidden}
.page-head::before{content:"";position:absolute;right:-90px;top:-60px;width:420px;height:320px;pointer-events:none;
  background:radial-gradient(circle at 45% 45%,rgba(108,59,255,.20),transparent 68%)}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-2);margin-bottom:18px}
.crumb a:hover{color:var(--nebula-700)}
.crumb span{color:#B4AECB}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:var(--nebula-100);color:var(--nebula-700);font-size:12.5px;font-weight:600;letter-spacing:.06em}
.page-head h1{margin:16px 0 0;font-size:38px;font-weight:800;letter-spacing:-.01em;max-width:820px}
.page-head-desc{margin-top:14px;max-width:760px;font-size:16px;line-height:1.85;color:var(--text-2)}
.index-bar{display:flex;align-items:center;gap:8px;margin-top:26px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.index-bar::-webkit-scrollbar{display:none}
.index-label{flex:none;font-size:12.5px;color:var(--text-2);letter-spacing:.08em}
.index-chip{flex:none;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:13.5px;cursor:pointer;transition:.18s}
.index-chip:hover{border-color:var(--nebula-600);color:var(--nebula-700)}
.index-chip.is-active{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.dark-band{position:relative;padding:96px 0;background:var(--ink-900);color:var(--text-inv)}
.dark-band::before,.dark-band::after{content:"";position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(108,59,255,0),rgba(108,59,255,.65),rgba(108,59,255,0))}
.dark-band::before{top:0}
.dark-band::after{bottom:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-head h2{font-size:30px;font-weight:800}
.section-sub{margin-top:12px;max-width:640px;font-size:15px;line-height:1.85;color:var(--text-2)}
.dark-band .section-sub{color:var(--text-inv-2)}
.dark-band .link-more{color:var(--glow-400)}
.dark-band .link-more::after{background:var(--glow-400)}

/* ---------- resource cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.res-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.35)}
.thumb{position:relative;aspect-ratio:16/9;background:var(--ink-800);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.res-card:hover .thumb img{transform:scale(1.04)}
.thumb::after{content:"星";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:44px;font-weight:800;color:rgba(237,231,255,.16);opacity:0;transition:opacity .2s}
.thumb.thumb-fallback::after{opacity:1}
.thumb-badge{position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  color:var(--glow-400);background:rgba(11,7,20,.78);border:1px solid rgba(47,227,196,.45)}
.res-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.res-title{font-size:19px;font-weight:700;line-height:1.45;transition:color .2s}
.res-card:hover .res-title{color:var(--nebula-700)}
.res-desc{font-size:14.5px;line-height:1.75;color:var(--text-2)}
.res-meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:12.5px;color:#9A94AE}
.res-meta span{display:inline-flex;align-items:center;gap:6px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--glow-400);display:inline-block}
.empty-card{grid-column:1/-1;border:1px dashed rgba(108,59,255,.5);border-radius:var(--r-card);
  padding:36px;text-align:center;color:var(--text-2);font-size:15px;background:#fff}

/* ---------- steps (dark) ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step-card{position:relative;padding:26px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.035);border:1px solid rgba(108,59,255,.28);
  box-shadow:inset 0 1px 0 rgba(237,231,255,.07);transition:border-color .2s,transform .2s}
.step-card:hover{border-color:rgba(47,227,196,.55);transform:translateY(-4px)}
.step-num{font-size:34px;font-weight:800;color:rgba(108,59,255,.6);letter-spacing:.02em}
.step-card h3{margin-top:12px;font-size:18px;color:#fff}
.step-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-inv-2)}

/* ---------- accordion ---------- */
.acc-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s}
.acc-item + .acc-item{margin-top:12px}
.acc-item.is-open{border-color:rgba(108,59,255,.45)}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text)}
.acc-head:hover{color:var(--nebula-700)}
.acc-icon{width:22px;height:22px;flex:none;color:var(--nebula-600);transition:transform .25s ease,color .25s ease}
.acc-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2}
.acc-item.is-open .acc-icon{transform:rotate(180deg);color:var(--glow-400)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-body p{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--text-2)}

/* ---------- stats ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:34px}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);transition:transform .2s,box-shadow .2s}
.stat-box:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-box strong{display:block;font-size:34px;font-weight:800;color:var(--nebula-700);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-box strong em{font-size:16px;font-style:normal;margin-left:2px;color:var(--text-2);font-weight:600}
.stat-box span{display:block;margin-top:8px;font-size:14px;color:var(--text-2)}
.note-list{margin-top:34px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.note-item{display:flex;gap:12px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card)}
.note-item i{flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--glow-400);box-shadow:0 0 0 4px rgba(47,227,196,.16)}
.note-item p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
.note-item p b{color:var(--text);font-weight:700}

/* ---------- cta band ---------- */
.cta-band{position:relative;padding:88px 0;overflow:hidden;color:var(--text-inv);
  background-color:var(--ink-950);
  background-image:linear-gradient(120deg,rgba(11,7,20,.95),rgba(11,7,20,.74) 55%,rgba(108,59,255,.42)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,61,138,.20),transparent 66%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-inner h2{font-size:30px;font-weight:800;color:#fff}
.cta-inner p{margin-top:14px;max-width:560px;font-size:15px;line-height:1.85;color:var(--text-inv-2)}
.cta-actions{display:flex;gap:14px;flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-950);color:var(--text-inv);padding:72px 0 32px;border-top:1px solid rgba(108,59,255,.3)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr 1.3fr;gap:32px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--text-inv-2);max-width:280px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col li,.footer-col p{font-size:13.5px;line-height:1.8;color:var(--text-inv-2)}
.footer-col a{transition:color .18s}
.footer-col a:hover{color:var(--glow-400)}
.footer-form{display:flex;gap:8px;margin-top:14px}
.footer-form input{flex:1;min-width:0;height:42px;padding:0 14px;border-radius:12px;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid rgba(108,59,255,.4);outline:0;transition:.2s}
.footer-form input::placeholder{color:#857EA0}
.footer-form input:focus{border-color:var(--nebula-600);box-shadow:0 0 0 3px rgba(108,59,255,.22)}
.footer-form button{flex:none;height:42px;padding:0 16px;border:0;border-radius:12px;cursor:pointer;
  background:var(--pulse-500);color:#fff;font-size:13.5px;font-weight:600;transition:filter .18s}
.footer-form button:hover{filter:brightness(1.08)}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#7E7799}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .container-x{padding:0 20px}
  .section{padding:72px 0}
  .dark-band{padding:72px 0}
  .cta-band{padding:64px 0}
  .nav-top{flex-wrap:wrap;padding:12px 0;gap:12px}
  .nav-search{order:3;flex-basis:100%;max-width:none}
  .menu-btn{display:flex}
  .nav-links{position:absolute;top:calc(100% + 10px);left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:6px;padding:16px;border-radius:16px;background:var(--ink-900);
    border:1px solid rgba(108,59,255,.4);box-shadow:0 22px 48px rgba(0,0,0,.5)}
  .nav-links.is-open{display:flex}
  .nav-links .btn{margin:8px 0 0;width:100%}
  .page-head h1{font-size:32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .note-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
}
@media (max-width:639px){
  .container-x{padding:0 16px}
  html body{font-size:16px}
  .section{padding:56px 0}
  .dark-band{padding:56px 0}
  .cta-band{padding:56px 0}
  .page-head{padding:32px 0 28px}
  .page-head h1{font-size:28px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .section-head h2{font-size:24px}
  .grid-3{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:24px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}