/* roulang page: index */
:root{
  --ink-900:#0e1226;
  --ink-800:#1a1f3d;
  --ink-700:#252c56;
  --ink-600:#333b6b;
  --gold:#ffb400;
  --gold-soft:#ffd166;
  --gold-deep:#e08e00;
  --bg:#f4f5fa;
  --bg-alt:#eceefa;
  --panel:#ffffff;
  --line:#e3e6f0;
  --text:#1c2340;
  --muted:#6b7391;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 4px 14px rgba(26,31,61,.07);
  --shadow-md:0 10px 28px rgba(26,31,61,.10);
  --shadow-lg:0 18px 44px rgba(26,31,61,.16);
  --max:1180px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ============ 促销条 ============ */
.promo-bar{background:linear-gradient(90deg,#0b0f22,#1d2450 60%,#0b0f22);color:#c8cee6;font-size:13px;}
.promo-inner{display:flex;align-items:center;gap:12px;min-height:38px;flex-wrap:wrap;}
.promo-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);flex:none;}
.promo-inner p{margin:0;font-size:13px;color:#c8cee6;}
.promo-link{margin-left:auto;color:var(--gold-soft);font-weight:700;font-size:13px;}
.promo-link:hover{color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(14,18,38,.97);border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 8px 26px rgba(7,10,24,.28);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;flex:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));display:grid;place-items:center;color:#1a1f3d;font-size:17px;font-weight:900;box-shadow:0 6px 16px rgba(255,180,0,.32);}
.brand-name{font-size:18px;letter-spacing:.6px;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--gold);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{color:#c4cae2;font-size:15px;font-weight:600;padding:9px 13px;border-radius:9px;white-space:nowrap;}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08);}
.main-nav a.is-active{color:var(--gold);background:rgba(255,180,0,.12);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:2px 4px 2px 14px;transition:border-color .2s ease,background .2s ease;}
.search-box:focus-within{border-color:var(--gold);background:rgba(255,255,255,.13);}
.search-box input{background:transparent;border:0;color:#fff;font-size:14px;width:140px;padding:7px 0;outline:none;}
.search-box input::placeholder{color:#8c93b3;}
.search-box button{background:var(--gold);border:0;color:#1a1f3d;font-weight:800;font-size:13px;border-radius:999px;padding:7px 14px;}
.search-box button:hover{background:var(--gold-soft);}
.icon-btn{display:inline-flex;align-items:center;gap:6px;color:#c4cae2;font-size:14px;font-weight:600;padding:8px 10px;border-radius:9px;}
.icon-btn:hover{color:var(--gold);background:rgba(255,255,255,.07);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border:0;border-radius:999px;padding:11px 22px;font-size:15px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold) 60%,var(--gold-deep));color:#1a1f3d;box-shadow:0 8px 20px rgba(255,180,0,.3);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-dark{background:var(--ink-800);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.menu-toggle{display:none;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;width:42px;height:40px;font-size:18px;line-height:1;}
.mobile-drawer{display:none;background:#12172f;border-top:1px solid rgba(255,255,255,.08);padding:14px 22px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;color:#cfd4ea;font-weight:600;padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.07);}
.mobile-drawer a.is-active{color:var(--gold);}
.mobile-drawer .btn{width:100%;margin-top:16px;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-tight{padding:60px 0;}
.section-light{background:var(--panel);}
.section-alt{background:var(--bg-alt);}
.section-dark{background:linear-gradient(140deg,var(--ink-900),var(--ink-700) 70%,#2b3568);color:#e8ebf7;}
.section-dark .section-desc{color:#b6bddb;}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--gold-deep);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.35);padding:5px 14px;border-radius:999px;margin-bottom:16px;}
.section-dark .eyebrow{color:var(--gold-soft);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);}
.section-title{font-size:30px;color:var(--ink-800);}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:66px 0 78px;}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.42;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 18%,rgba(255,180,0,.24),transparent 46%),linear-gradient(180deg,rgba(10,14,32,.72),rgba(10,14,32,.94));}
.hero-inner{position:relative;z-index:2;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gold-soft);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);padding:6px 15px;border-radius:999px;}
.hero h1{margin:20px 0 0;font-size:44px;line-height:1.22;color:#fff;letter-spacing:.5px;max-width:860px;}
.hero h1 span{background:linear-gradient(120deg,var(--gold-soft),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{max-width:790px;margin-top:20px;font-size:16.5px;color:#c7cde5;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;align-items:center;}
.hero-note{font-size:13.5px;color:#9aa2c2;}

/* 前后对比 */
.compare{display:grid;grid-template-columns:1fr 56px 1fr;gap:18px;margin-top:48px;align-items:stretch;}
.compare-card{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:24px 24px 22px;backdrop-filter:blur(6px);}
.compare-card h3{font-size:17px;display:flex;align-items:center;gap:9px;margin-bottom:14px;}
.compare-card ul li{position:relative;padding-left:26px;font-size:14.5px;color:#c3cae2;margin-bottom:10px;}
.compare-card ul li::before{position:absolute;left:0;top:0;font-weight:900;}
.compare-card.before h3{color:#aeb6d6;}
.compare-card.before ul li::before{content:"×";color:#8189ab;}
.compare-card.after{background:linear-gradient(160deg,rgba(255,180,0,.16),rgba(255,180,0,.05));border-color:rgba(255,180,0,.55);box-shadow:0 16px 38px rgba(255,180,0,.14);}
.compare-card.after h3{color:var(--gold-soft);}
.compare-card.after ul li{color:#f2e7c9;}
.compare-card.after ul li::before{content:"✓";color:var(--gold);}
.compare-arrow{display:grid;place-items:center;font-size:26px;color:var(--gold);font-weight:900;}
.compare-badge{display:inline-block;font-size:12px;font-weight:800;color:#1a1f3d;background:var(--gold);border-radius:999px;padding:2px 10px;margin-left:6px;}

/* ============ 卡片 ============ */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px 24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.card-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:21px;background:linear-gradient(140deg,rgba(255,180,0,.22),rgba(255,180,0,.06));border:1px solid rgba(255,180,0,.35);margin-bottom:16px;}
.card h3{font-size:18px;color:var(--ink-800);margin-bottom:10px;}
.card p{font-size:14.6px;color:var(--muted);}
.tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);border-radius:999px;padding:3px 12px;}
.section-dark .tag{color:var(--gold-soft);}

/* ============ 场景矩阵 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.scene{border-radius:var(--radius);padding:24px 20px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-num{font-size:13px;font-weight:900;color:var(--gold-deep);letter-spacing:1.5px;}
.scene h3{font-size:17px;margin:10px 0 8px;color:var(--ink-800);}
.scene p{font-size:14.4px;color:var(--muted);}

/* ============ 界面舞台 ============ */
.stage{display:grid;grid-template-columns:1.45fr 1fr;gap:22px;align-items:stretch;}
.stage-main{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.stage-main img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.stage-caption{position:absolute;left:0;right:0;bottom:0;padding:20px;background:linear-gradient(180deg,transparent,rgba(10,14,32,.88));color:#fff;font-size:14.5px;}
.stage-side{display:grid;gap:22px;}
.stage-thumb{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);position:relative;background:#fff;}
.stage-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.stage-thumb span{display:block;padding:12px 16px;font-size:14px;font-weight:700;color:var(--ink-800);}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:24px 20px;text-align:center;}
.stat strong{display:block;font-size:32px;font-weight:900;color:var(--gold);line-height:1.2;letter-spacing:.5px;}
.stat span{display:block;margin-top:6px;font-size:14px;color:#b6bddb;}

/* ============ 分类入口墙 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.channel{position:relative;display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 26px;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.channel::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--gold),rgba(255,180,0,.15));}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.channel h3{font-size:19px;color:var(--ink-800);margin-bottom:10px;}
.channel p{font-size:14.6px;color:var(--muted);}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:800;color:var(--gold-deep);}
.channel:hover .channel-more{color:var(--ink-800);}

/* ============ 相关推荐横滑 ============ */
.rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.rail-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.rail-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rail-body{padding:16px 18px 20px;}
.rail-body h3{font-size:16px;color:var(--ink-800);margin:10px 0 8px;}
.rail-body p{font-size:14px;color:var(--muted);}

/* ============ 流程时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:26px 22px 22px;}
.step::before{counter-increment:step;content:"0" counter(step);font-size:13px;font-weight:900;letter-spacing:2px;color:var(--gold);}
.step h3{font-size:17px;color:#fff;margin:10px 0 8px;}
.step p{font-size:14.4px;color:#b6bddb;}

/* ============ 口碑 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.voice{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);}
.voice p{font-size:14.8px;color:#3a4266;}
.voice-meta{display:flex;align-items:center;gap:10px;margin-top:16px;}
.voice-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(140deg,var(--ink-700),var(--ink-800));color:var(--gold);display:grid;place-items:center;font-weight:800;font-size:14px;flex:none;}
.voice-name{font-size:14px;font-weight:800;color:var(--ink-800);}
.voice-role{font-size:12.5px;color:var(--muted);}

/* ============ 清单 + 分享 ============ */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:stretch;}
.panel-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow-sm);}
.check-list li{position:relative;padding-left:30px;margin-bottom:14px;font-size:15px;color:#3a4266;}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:rgba(255,180,0,.18);color:var(--gold-deep);font-size:12px;display:grid;place-items:center;font-weight:900;top:4px;}
.share-box{background:linear-gradient(150deg,var(--ink-800),var(--ink-600));color:#e8ebf7;border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;}
.share-box h3{font-size:20px;color:#fff;margin-bottom:12px;}
.share-box p{font-size:14.8px;color:#bcc3de;}
.share-tags{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 22px;}
.share-tags span{font-size:13px;color:var(--gold-soft);background:rgba(255,180,0,.15);border:1px solid rgba(255,180,0,.35);border-radius:999px;padding:4px 13px;}
.share-box .btn{align-self:flex-start;margin-top:auto;}

/* ============ 专题索引 ============ */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.topic-cloud span{font-size:14.5px;font-weight:600;color:var(--ink-700);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:9px 20px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,color .2s ease,transform .2s ease;}
.topic-cloud span:hover{border-color:rgba(255,180,0,.6);color:var(--gold-deep);transform:translateY(-2px);}

/* ============ 资讯列表 ============ */
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;align-items:start;}
.news-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);margin-bottom:18px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
.news-item:hover{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.news-item h3{font-size:17.5px;color:var(--ink-800);margin-bottom:8px;}
.news-item:hover h3{color:var(--gold-deep);}
.news-item p{font-size:14.6px;color:var(--muted);}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:#8b93b1;}
.news-side{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);position:sticky;top:96px;}
.news-side h3{font-size:17px;color:var(--ink-800);margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.side-item{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px solid #f1f3f9;font-size:14.4px;color:#3a4266;font-weight:600;}
.side-item:hover{color:var(--gold-deep);}
.side-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);flex:none;margin-top:9px;}
.more-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:800;color:var(--gold-deep);}
.more-link:hover{color:var(--ink-800);}
.empty-note{font-size:14.6px;color:var(--muted);background:#f8f9fe;border:1px dashed var(--line);border-radius:var(--radius);padding:18px 20px;}

/* ============ 奖励预览 ============ */
.reward-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.reward{background:linear-gradient(160deg,rgba(255,180,0,.14),rgba(255,180,0,.03));border:1px solid rgba(255,180,0,.4);border-radius:var(--radius);padding:24px 20px;color:#f0e7cf;transition:transform .22s ease,box-shadow .22s ease;}
.reward:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(255,180,0,.22);}
.reward h3{font-size:17px;color:var(--gold-soft);margin-bottom:8px;}
.reward p{font-size:14.2px;color:#c2c9e0;}
.reward .tag{margin-top:12px;}

/* ============ 试用中心 ============ */
.trial{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;}
.trial-list{display:grid;gap:14px;}
.trial-item{display:flex;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease;}
.trial-item:hover{border-color:rgba(255,180,0,.55);transform:translateX(3px);}
.trial-icon{width:38px;height:38px;border-radius:11px;background:rgba(255,180,0,.16);color:var(--gold-deep);display:grid;place-items:center;font-size:17px;flex:none;font-weight:900;}
.trial-item h3{font-size:16px;color:var(--ink-800);margin-bottom:4px;}
.trial-item p{font-size:14.2px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px;}
details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:6px 22px;box-shadow:var(--shadow-sm);}
details[open]{border-color:rgba(255,180,0,.55);}
summary{cursor:pointer;list-style:none;font-size:16px;font-weight:800;color:var(--ink-800);padding:16px 0;display:flex;justify-content:space-between;gap:14px;align-items:center;}
summary::-webkit-details-marker{display:none;}
summary::after{content:"+";color:var(--gold-deep);font-size:20px;font-weight:900;flex:none;}
details[open] summary::after{content:"−";}
details p{padding:0 0 18px;font-size:14.8px;color:var(--muted);}

/* ============ 收口 CTA ============ */
.cta-band{background:linear-gradient(120deg,var(--ink-900),var(--ink-700) 60%,#2c3572);border-radius:var(--radius-lg);padding:52px 44px;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;}
.cta-band::before{content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.34),transparent 70%);}
.cta-band h2{font-size:27px;position:relative;z-index:1;margin-bottom:10px;}
.cta-band p{font-size:15px;color:#c2c9e2;max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#b6bddb;padding:62px 0 0;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.4px;color:#98a0c0;max-width:400px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14.4px;color:#98a0c0;padding:6px 0;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;font-size:13.4px;color:#7f87a8;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:block;}
  .hero h1{font-size:36px;}
  .grid-4,.scene-grid,.stats,.rail,.reward-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid,.voice-grid,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stage{grid-template-columns:1fr;}
  .stage-side{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-layout{grid-template-columns:1fr;}
  .news-side{position:static;}
  .split,.trial{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .hero{padding:48px 0 58px;}
  .hero h1{font-size:29px;}
  .hero-lead{font-size:15.2px;}
  .compare{grid-template-columns:1fr;gap:14px;}
  .compare-arrow{transform:rotate(90deg);}
  .cta-band{padding:36px 26px;}
  .cta-band h2{font-size:22px;}
  .brand-name{font-size:16px;}
  .rail{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-inner{min-height:64px;gap:12px;}
  .hero h1{font-size:25px;}
  .grid-2,.grid-3,.grid-4,.scene-grid,.stats,.rail,.reward-grid,.channel-grid,.voice-grid,.steps,.stage-side{grid-template-columns:1fr;}
  .section{padding:46px 0;}
  .promo-inner{font-size:12.4px;}
  .promo-inner p{font-size:12.4px;}
  .promo-link{margin-left:0;}
  .card,.panel-box,.news-item{padding:20px 18px;}
  .cta-actions .btn{width:100%;}
  .compare-card{padding:20px 18px;}
}

/* roulang page: category1 */
:root{
 --ink-900:#0e1226;
 --ink-800:#1a1f3d;
 --ink-700:#252c56;
 --ink-600:#333b6b;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e08e00;
 --bg:#f4f5fa;
 --bg-alt:#eceefa;
 --panel:#ffffff;
 --line:#e3e6f0;
 --text:#1c2340;
 --muted:#6b7391;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.07);
 --shadow-md:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 18px 44px rgba(26,31,61,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{line-height:1.35;margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
section[id]{scroll-margin-top:96px;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(14,18,38,.98);border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 8px 26px rgba(7,10,24,.28);backdrop-filter:blur(10px);}
.promo-bar{background:linear-gradient(90deg,var(--gold-deep),var(--gold) 48%,var(--gold-soft));color:#182042;font-size:13px;font-weight:700;}
.promo-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:34px;}
.promo-bar b{font-weight:800;}
.promo-bar .promo-side{font-weight:600;opacity:.86;white-space:nowrap;}
.header-main{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;flex:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));display:grid;place-items:center;color:#1a1f3d;font-size:17px;font-weight:900;box-shadow:0 6px 16px rgba(255,180,0,.32);}
.brand-name{font-size:18px;letter-spacing:.6px;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--gold);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{color:#c4cae2;font-size:15px;font-weight:600;padding:9px 13px;border-radius:9px;white-space:nowrap;}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08);}
.main-nav a.is-active{color:var(--gold);background:rgba(255,180,0,.12);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:2px 4px 2px 14px;transition:border-color .2s ease,background .2s ease;}
.search-box:focus-within{border-color:var(--gold);background:rgba(255,255,255,.13);}
.search-box input{background:transparent;border:0;color:#fff;font-size:14px;width:130px;padding:7px 0;outline:none;font-family:inherit;}
.search-box input::placeholder{color:#8c93b3;}
.search-box button{background:var(--gold);border:0;color:#1a1f3d;font-weight:800;font-size:13px;border-radius:999px;padding:7px 14px;transition:background .2s ease;}
.search-box button:hover{background:var(--gold-soft);}
.icon-btn{display:inline-flex;align-items:center;gap:6px;color:#c4cae2;font-size:14px;font-weight:600;padding:8px 10px;border-radius:9px;background:transparent;border:0;}
.icon-btn:hover{color:var(--gold);background:rgba(255,255,255,.07);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border:0;border-radius:999px;padding:12px 24px;font-size:15px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold) 60%,var(--gold-deep));color:#1a1f3d;box-shadow:0 8px 20px rgba(255,180,0,.3);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-dark{background:var(--ink-800);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn:focus-visible,.main-nav a:focus-visible,.icon-btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:2px;}
.menu-toggle{display:none;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;width:42px;height:40px;font-size:18px;line-height:1;}
.mobile-drawer{display:none;background:#12172f;border-top:1px solid rgba(255,255,255,.08);padding:12px 22px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;color:#cfd4ea;font-weight:600;padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.07);}
.mobile-drawer a.is-active{color:var(--gold);}
.mobile-drawer .btn{width:100%;margin-top:16px;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-alt{background:var(--bg-alt);}
.section-light{background:var(--panel);}
.section-dark{background:linear-gradient(140deg,var(--ink-900),var(--ink-700) 68%,#2b3568);color:#e8ebf7;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--gold-deep);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.35);padding:5px 14px;border-radius:999px;margin-bottom:16px;}
.section-dark .eyebrow{color:var(--gold-soft);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);}
.section-title{font-size:30px;color:var(--ink-800);font-weight:800;letter-spacing:.4px;}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section-dark .section-desc{color:#b6bddb;}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;background:rgba(255,180,0,.14);color:var(--gold-deep);border:1px solid rgba(255,180,0,.3);}
.section-dark .tag{background:rgba(255,180,0,.16);color:var(--gold-soft);border-color:rgba(255,180,0,.38);}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--ink-700);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card-media img{transform:scale(1.06);}
.card-body{padding:22px 22px 24px;}
.card-body h3{font-size:19px;color:var(--ink-800);margin-bottom:10px;}
.card-body p{color:var(--muted);font-size:14.6px;}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:64px 0 78px;}
.page-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.36;}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 14% 16%,rgba(255,180,0,.24),transparent 46%),linear-gradient(180deg,rgba(10,14,32,.76),rgba(10,14,32,.95));}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:46px;align-items:start;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gold-soft);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);padding:6px 15px;border-radius:999px;}
.page-hero h1{margin:20px 0 0;font-size:clamp(30px,3.6vw,46px);line-height:1.24;letter-spacing:.5px;color:#fff;}
.page-hero h1 em{font-style:normal;color:var(--gold);}
.hero-lead{margin-top:20px;color:#c2c9e4;font-size:16.5px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{margin-top:30px;display:grid;gap:10px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;color:#cfd5ec;font-size:14.8px;}
.hero-points li::before{content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));box-shadow:0 0 0 3px rgba(255,180,0,.16);}
.hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-lg);backdrop-filter:blur(8px);}
.hero-panel h2{font-size:16px;color:#fff;letter-spacing:.6px;margin-bottom:18px;display:flex;align-items:center;gap:8px;}
.hero-panel h2::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--gold);}
.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:20px;}
.hero-stats div{background:rgba(10,14,32,.42);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:12px 14px;}
.hero-stats strong{display:block;color:var(--gold);font-size:19px;font-weight:800;letter-spacing:.4px;}
.hero-stats span{font-size:12.5px;color:#a9b1cf;}
.hero-panel ol{counter-reset:step;display:grid;gap:12px;}
.hero-panel ol li{position:relative;padding-left:34px;font-size:14px;color:#d4d9ee;counter-increment:step;}
.hero-panel ol li::before{content:counter(step);position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));}

/* ============ 机制拆解 ============ */
.mech-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.mech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.mech-no{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--ink-700),var(--ink-600));color:var(--gold);font-weight:900;font-size:15px;letter-spacing:.5px;}
.mech-card h3{font-size:18px;color:var(--ink-800);margin:16px 0 10px;}
.mech-card p{color:var(--muted);font-size:14.5px;}
.mech-card .tag{margin-top:16px;}

/* ============ 推进清单 ============ */
.flow-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center;}
.flow-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.flow-figure img{width:100%;height:100%;object-fit:cover;}
.flow-steps{display:grid;gap:16px;}
.flow-step{display:flex;gap:16px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.flow-step:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.flow-step .step-idx{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:900;font-size:14px;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold));}
.flow-step h3{font-size:16.5px;color:var(--ink-800);margin-bottom:6px;}
.flow-step p{font-size:14.2px;color:var(--muted);}

/* ============ 适用场景 ============ */
.scene-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:20px;font-weight:900;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold));box-shadow:0 6px 16px rgba(255,180,0,.26);}
.scene-card h3{margin:18px 0 10px;font-size:18px;color:var(--ink-800);}
.scene-card p{color:var(--muted);font-size:14.5px;}
.scene-list{margin-top:16px;display:grid;gap:8px;}
.scene-list li{position:relative;padding-left:18px;font-size:13.8px;color:var(--ink-600);}
.scene-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--gold);}

/* ============ 曲线演示 ============ */
.curve-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:46px;align-items:center;}
.curve-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow-lg);}
.curve-figure img{width:100%;height:100%;object-fit:cover;}
.curve-stats{display:grid;gap:12px;margin-bottom:22px;}
.curve-stats div{display:flex;justify-content:space-between;align-items:center;gap:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:10px;padding:14px 18px;}
.curve-stats strong{color:var(--gold);font-size:15px;font-weight:800;white-space:nowrap;}
.curve-stats span{color:#bcc3dd;font-size:14px;text-align:right;}
.curve-notes{display:grid;gap:10px;}
.curve-notes li{position:relative;padding-left:20px;color:#cbd1e6;font-size:14.5px;}
.curve-notes li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.16);}

/* ============ 段位记录 ============ */
.case-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;transition:transform .25s ease,box-shadow .25s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.case-card blockquote{margin:0;color:var(--ink-600);font-size:15px;line-height:1.8;}
.case-foot{display:flex;align-items:center;gap:12px;border-top:1px dashed var(--line);padding-top:14px;margin-top:auto;}
.case-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold));flex:none;}
.case-foot strong{display:block;font-size:14.5px;color:var(--ink-800);}
.case-foot span{font-size:12.8px;color:var(--muted);}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.post-card h3{font-size:17px;color:var(--ink-800);}
.post-card h3 a:hover{color:var(--gold-deep);}
.post-card p{color:var(--muted);font-size:14.2px;}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:12.8px;color:var(--muted);}
.list-empty{background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:34px;text-align:center;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-md);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink-800);font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:14px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold-deep);font-size:22px;line-height:1;font-weight:800;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:14.8px;}

/* ============ 收口 CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink-800);color:#fff;border-radius:var(--radius-lg);padding:52px 44px;box-shadow:var(--shadow-lg);}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.24;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,18,38,.92),rgba(26,31,61,.72));}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{font-size:26px;color:#fff;max-width:620px;}
.cta-inner p{margin-top:12px;color:#c2c9e4;font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#a9b1cf;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.07);}
.footer-inner{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,.7fr));gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.2px;color:#98a0c0;max-width:420px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col a{display:block;color:#98a0c0;font-size:14.2px;padding:6px 0;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#7d86a8;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .header-main{gap:14px;}
 .search-box input{width:104px;}
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .flow-grid,.curve-grid{grid-template-columns:1fr;gap:32px;}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-inner{grid-template-columns:1fr 1fr;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:860px){
 .main-nav{display:none;}
 .search-box{display:none;}
 .header-tools .header-cta{display:none;}
 .menu-toggle{display:inline-block;margin-left:auto;}
 .header-tools{margin-left:0;}
 .grid-3{grid-template-columns:1fr;}
 .section{padding:58px 0;}
 .section-title{font-size:26px;}
 .cta-band{padding:38px 26px;}
 .cta-inner h2{font-size:22px;}
}
@media (max-width:768px){
 .promo-bar .promo-side{display:none;}
 .promo-bar .container{justify-content:center;}
 .promo-bar .container span{white-space:normal;text-align:center;line-height:1.4;padding:6px 0;font-size:12.5px;}
 .header-main{min-height:64px;}
 .brand-name{font-size:16.5px;}
 .hero-stats{grid-template-columns:1fr 1fr;}
 .post-grid{grid-template-columns:1fr;}
 .grid-2{grid-template-columns:1fr;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .page-hero{padding:44px 0 54px;}
 .hero-actions .btn{width:100%;}
 .hero-stats{grid-template-columns:1fr;}
 .grid-4{grid-template-columns:1fr;}
 .flow-step{flex-direction:column;gap:10px;}
 .curve-stats div{flex-direction:column;align-items:flex-start;gap:6px;}
 .curve-stats span{text-align:left;}
 .footer-inner{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
 .section{padding:48px 0;}
}

/* roulang page: article */
:root{
 --ink-900:#0e1226;
 --ink-800:#1a1f3d;
 --ink-700:#252c56;
 --ink-600:#333b6b;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e08e00;
 --bg:#f4f5fa;
 --bg-alt:#eceefa;
 --panel:#ffffff;
 --line:#e3e6f0;
 --text:#1c2340;
 --muted:#6b7391;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.07);
 --shadow-md:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 18px 44px rgba(26,31,61,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.32;color:var(--ink-800);letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
a:hover{color:inherit;}
:focus-visible{outline:3px solid rgba(255,180,0,.72);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ============ 顶部公告条 ============ */
.promo-bar{background:linear-gradient(90deg,#10152e,#222a55 55%,#10152e);color:#c8cfe8;font-size:13.5px;border-bottom:1px solid rgba(255,255,255,.07);}
.promo-inner{display:flex;align-items:center;gap:14px;min-height:42px;}
.promo-badge{flex:none;background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:#1a1f3d;font-weight:900;font-size:12px;letter-spacing:.6px;padding:3px 11px;border-radius:999px;}
.promo-inner p{margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.promo-link{color:var(--gold-soft);font-weight:700;white-space:nowrap;flex:none;}
.promo-link:hover{color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(14,18,38,.97);border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 8px 26px rgba(7,10,24,.28);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;flex:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));display:grid;place-items:center;color:#1a1f3d;font-size:17px;font-weight:900;box-shadow:0 6px 16px rgba(255,180,0,.32);}
.brand-name{font-size:18px;letter-spacing:.6px;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--gold);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{color:#c4cae2;font-size:15px;font-weight:600;padding:9px 13px;border-radius:9px;white-space:nowrap;}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08);}
.main-nav a.is-active{color:var(--gold);background:rgba(255,180,0,.12);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:2px 4px 2px 14px;transition:border-color .2s ease,background .2s ease;}
.search-box:focus-within{border-color:var(--gold);background:rgba(255,255,255,.14);}
.search-box input[type="search"],
.search-box input[type="text"]{background:transparent;border:0;color:#fff;font-size:14px;width:148px;padding:7px 0;margin:0;outline:none;box-shadow:none;height:auto;appearance:none;}
.search-box input::placeholder{color:#8c93b3;}
.search-box button{background:var(--gold);border:0;color:#1a1f3d;font-weight:800;font-size:13px;border-radius:999px;padding:7px 14px;line-height:1.2;}
.search-box button:hover{background:var(--gold-soft);}
.icon-btn{display:inline-flex;align-items:center;gap:6px;color:#c4cae2;font-size:14px;font-weight:600;padding:8px 10px;border-radius:9px;white-space:nowrap;}
.icon-btn:hover{color:var(--gold);background:rgba(255,255,255,.07);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border:0;border-radius:999px;padding:11px 22px;font-size:15px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold) 60%,var(--gold-deep));color:#1a1f3d;box-shadow:0 8px 20px rgba(255,180,0,.3);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.42);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);color:#fff;}
.btn-dark{background:var(--ink-800);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff;}
.menu-toggle{display:none;align-items:center;justify-content:center;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;width:42px;height:40px;font-size:18px;line-height:1;}
.menu-toggle:hover{background:rgba(255,255,255,.16);}
.mobile-drawer{display:none;background:#12172f;border-top:1px solid rgba(255,255,255,.08);padding:14px 22px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;color:#cfd4ea;font-weight:600;padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.07);}
.mobile-drawer a:hover{color:var(--gold);}
.mobile-drawer .btn{width:100%;margin-top:16px;border-bottom:0;color:#1a1f3d;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-tight{padding:58px 0;}
.section-light{background:var(--panel);}
.section-alt{background:var(--bg-alt);}
.section-dark{background:linear-gradient(140deg,var(--ink-900),var(--ink-700) 70%,#2b3568);color:#e8ebf7;}
.section-dark .section-desc{color:#b6bddb;}
.section-dark .section-title{color:#fff;}
.section-head{max-width:800px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--gold-deep);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.35);padding:5px 14px;border-radius:999px;margin-bottom:16px;}
.section-dark .eyebrow{color:var(--gold-soft);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);}
.section-title{font-size:29px;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}

/* ============ 文章头 ============ */
.article-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:46px 0 62px;}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.34;}
.article-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 12% 8%,rgba(255,180,0,.22),transparent 46%),linear-gradient(180deg,rgba(9,12,28,.76),rgba(9,12,28,.95));}
.article-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9aa2c2;margin-bottom:20px;}
.crumbs a{color:#cdd3ea;font-weight:600;}
.crumbs a:hover{color:var(--gold);}
.crumbs .sep{color:#5b638a;}
.crumbs .cur{color:var(--gold-soft);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr);gap:44px;align-items:center;}
.rank-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);color:var(--gold-soft);font-weight:800;font-size:12.5px;letter-spacing:1.1px;padding:6px 15px;border-radius:999px;}
.rank-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.22);display:inline-block;font-style:normal;}
.article-hero h1{margin:18px 0 0;font-size:37px;line-height:1.28;color:#fff;letter-spacing:.4px;}
.hero-lead{margin-top:18px;color:#bcc3dd;font-size:15.5px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.meta-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#d6dbf0;font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;}
.meta-pill strong{color:var(--gold-soft);font-weight:800;}
.cover-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow-lg);background:#151a33;}
.cover-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cover-card .cover-badge{position:absolute;left:14px;bottom:14px;background:rgba(14,18,38,.82);border:1px solid rgba(255,180,0,.42);color:var(--gold-soft);font-size:12.5px;font-weight:800;letter-spacing:.6px;padding:6px 13px;border-radius:999px;backdrop-filter:blur(6px);}

/* ============ 正文 ============ */
.article-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:40px 46px;max-width:900px;margin:0 auto;}
.article-content{font-size:16.5px;line-height:1.95;color:#2b3254;}
.article-content h2{font-size:23px;margin:34px 0 14px;padding-left:14px;border-left:5px solid var(--gold);color:var(--ink-800);}
.article-content h2:first-child{margin-top:0;}
.article-content h3{font-size:19px;margin:26px 0 10px;color:var(--ink-700);}
.article-content h4{font-size:17px;margin:22px 0 8px;color:var(--ink-700);}
.article-content p{margin:0 0 16px;}
.article-content ul,
.article-content ol{margin:0 0 18px;padding-left:24px;list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin:7px 0;}
.article-content a{color:var(--gold-deep);font-weight:700;border-bottom:1px solid rgba(224,142,0,.35);}
.article-content a:hover{color:var(--ink-800);border-bottom-color:var(--ink-800);}
.article-content img{border-radius:var(--radius);margin:22px auto;box-shadow:var(--shadow-sm);height:auto;}
.article-content blockquote{margin:22px 0;padding:16px 22px;background:rgba(255,180,0,.1);border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:var(--ink-700);font-weight:600;}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-content th,
.article-content td{padding:10px 14px;border:1px solid var(--line);text-align:left;}
.article-content th{background:var(--bg-alt);color:var(--ink-700);font-weight:800;}
.article-content strong{color:var(--ink-800);}
.article-empty{text-align:center;padding:34px 10px;}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* ============ 要点速览 ============ */
.briefing-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:28px;align-items:start;}
.point-list{display:grid;gap:14px;}
.point-item{display:flex;gap:16px;padding:20px 22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.point-num{flex:none;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));display:grid;place-items:center;font-weight:900;color:#1a1f3d;font-size:16px;}
.point-item h3{font-size:16.5px;margin-bottom:4px;}
.point-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.stat-panel{background:linear-gradient(155deg,var(--ink-800),var(--ink-600));color:#e8ebf7;border-radius:var(--radius-lg);padding:26px 26px 20px;box-shadow:var(--shadow-md);}
.stat-panel h3{color:#fff;font-size:17px;margin-bottom:6px;}
.stat-panel .stat-note{color:#a8b0d0;font-size:13.5px;margin-bottom:8px;}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14.5px;color:#c2c9e3;}
.stat-row:last-child{border-bottom:0;}
.stat-row strong{color:var(--gold-soft);font-size:19px;font-weight:900;letter-spacing:.5px;}

/* ============ 倍率阶梯 ============ */
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.ladder-step{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px 18px;transition:transform .22s ease,background .22s ease,border-color .22s ease;}
.ladder-step:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.55);}
.ladder-step .level{display:inline-block;font-size:12px;font-weight:900;letter-spacing:1px;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold));border-radius:999px;padding:3px 11px;margin-bottom:12px;}
.ladder-step h3{color:#fff;font-size:16.5px;margin-bottom:8px;}
.ladder-step p{margin:0;font-size:14px;color:#b6bddb;line-height:1.75;}

/* ============ 常备清单 ============ */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px;}
.checklist li{display:flex;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:13px 16px;font-size:15px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease;}
.checklist li:hover{border-color:rgba(255,180,0,.55);transform:translateX(3px);}
.checklist li::before{content:"✦";color:var(--gold-deep);font-weight:900;flex:none;}

/* ============ 频道矩阵 ============ */
.channel-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.channel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.channel-body{padding:20px 22px 22px;}
.channel-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.8px;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.35);border-radius:999px;padding:3px 11px;margin-bottom:10px;}
.channel-body h3{font-size:17.5px;margin-bottom:8px;}
.channel-body p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--gold-deep);font-weight:800;font-size:14px;}
.channel-card:hover .channel-more{color:var(--ink-800);}
.channel-foot{text-align:center;margin-top:30px;}

/* ============ 段位条 ============ */
.rank-list{display:grid;gap:12px;}
.rank-item{display:flex;align-items:center;gap:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.rank-item:hover{transform:translateX(4px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md);}
.rank-tag{flex:none;min-width:78px;text-align:center;background:rgba(26,31,61,.06);color:var(--ink-700);border-radius:999px;padding:6px 12px;font-weight:900;font-size:13px;letter-spacing:.6px;}
.rank-item h3{font-size:16.5px;margin-bottom:3px;}
.rank-item p{margin:0;font-size:14px;color:var(--muted);}
.rank-req{margin-left:auto;color:var(--gold-deep);font-weight:900;font-size:13.5px;white-space:nowrap;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md);}
.faq-item h3{font-size:16.5px;margin-bottom:8px;display:flex;gap:9px;align-items:flex-start;}
.faq-item h3::before{content:"Q";flex:none;width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));color:#1a1f3d;font-size:13px;font-weight:900;display:grid;place-items:center;margin-top:2px;}
.faq-item p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ 收口 CTA ============ */
.cta-banner{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px 46px;background:linear-gradient(135deg,var(--ink-800),var(--ink-600));color:#fff;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-banner::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.18;}
.cta-banner > *{position:relative;z-index:2;}
.cta-text{max-width:560px;}
.cta-text h2{color:#fff;font-size:25px;margin-bottom:10px;}
.cta-text p{margin:0;color:#bfc6e0;font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#c2c8e0;padding:56px 0 0;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;padding-bottom:38px;}
.footer-brand .brand{margin-bottom:4px;}
.footer-brand p{font-size:14px;color:#9aa2c2;margin-top:14px;max-width:440px;line-height:1.8;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px;}
.footer-col a{display:block;color:#a8b0cf;font-size:14px;padding:5px 0;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#8b93b5;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .main-nav{display:none;}
 .menu-toggle{display:inline-flex;}
 .hero-grid{grid-template-columns:1fr;gap:30px;}
 .cover-card{max-width:520px;}
 .briefing-grid{grid-template-columns:1fr;}
 .ladder{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:860px){
 .search-box{display:none;}
 .article-hero h1{font-size:30px;}
 .article-panel{padding:30px 24px;}
 .section{padding:58px 0;}
 .section-title{font-size:25px;}
 .grid-3,.grid-2{grid-template-columns:1fr;}
 .faq-grid{grid-template-columns:1fr;}
 .cta-banner{padding:32px 26px;}
}
@media (max-width:640px){
 .promo-inner{min-height:38px;gap:10px;}
 .promo-inner p{font-size:12.5px;}
 .promo-link{display:none;}
 .header-inner{min-height:64px;gap:12px;}
 .brand-name{font-size:16px;}
 .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
 .header-cta{display:none;}
 .article-hero{padding:34px 0 46px;}
 .article-hero h1{font-size:25px;}
 .hero-lead{font-size:14.5px;-webkit-line-clamp:3;}
 .checklist{grid-template-columns:1fr;}
 .rank-item{flex-wrap:wrap;gap:12px;}
 .rank-req{margin-left:0;width:100%;}
 .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .section{padding:46px 0;}
 .section-title{font-size:22px;}
 .ladder{grid-template-columns:1fr;}
 .article-hero h1{font-size:22px;}
 .article-panel{padding:24px 18px;border-radius:14px;}
 .article-content{font-size:16px;}
 .article-content h2{font-size:20px;}
 .cta-banner{padding:26px 20px;}
 .cta-text h2{font-size:21px;}
 .cta-actions .btn{width:100%;}
 .footer-bottom{justify-content:flex-start;}
}

/* roulang page: category2 */
:root{
 --ink-900:#0e1226;
 --ink-800:#1a1f3d;
 --ink-700:#252c56;
 --ink-600:#333b6b;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e08e00;
 --bg:#f4f5fa;
 --bg-alt:#eceefa;
 --panel:#ffffff;
 --line:#e3e6f0;
 --text:#1c2340;
 --muted:#6b7391;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.07);
 --shadow-md:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 18px 44px rgba(26,31,61,.16);
 --max:1180px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;color:var(--ink-800);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}
/* ===== 顶部公告条 ===== */
.promo-bar{background:linear-gradient(90deg,var(--gold-soft),var(--gold) 45%,var(--gold-deep));color:#1a1f3d;}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;font-size:13px;font-weight:800;letter-spacing:.3px;}
.promo-text{display:inline-flex;align-items:center;gap:8px;}
.promo-text::before{content:"";width:7px;height:7px;border-radius:50%;background:#1a1f3d;opacity:.75;}
.promo-link{border-bottom:1px dashed rgba(26,31,61,.55);padding-bottom:1px;font-weight:800;}
.promo-link:hover{color:#3a0f00;border-bottom-color:#3a0f00;}
/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(14,18,38,.97);border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 8px 26px rgba(7,10,24,.28);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;flex:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));display:grid;place-items:center;color:#1a1f3d;font-size:17px;font-weight:900;box-shadow:0 6px 16px rgba(255,180,0,.32);}
.brand-name{font-size:18px;letter-spacing:.6px;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--gold);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{color:#c4cae2;font-size:15px;font-weight:600;padding:9px 13px;border-radius:9px;white-space:nowrap;}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08);}
.main-nav a.is-active{color:var(--gold);background:rgba(255,180,0,.12);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:2px 4px 2px 14px;transition:border-color .2s ease,background .2s ease;}
.search-box:focus-within{border-color:var(--gold);background:rgba(255,255,255,.13);}
.search-box input{background:transparent;border:0;color:#fff;font-size:14px;width:132px;padding:7px 0;outline:none;box-shadow:none;margin:0;height:auto;}
.search-box input::placeholder{color:#8c93b3;}
.search-box button{background:var(--gold);border:0;color:#1a1f3d;font-weight:800;font-size:13px;border-radius:999px;padding:7px 14px;}
.search-box button:hover{background:var(--gold-soft);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border:0;border-radius:999px;padding:11px 22px;font-size:15px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold) 60%,var(--gold-deep));color:#1a1f3d;box-shadow:0 8px 20px rgba(255,180,0,.3);margin:0;}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.42);color:#1a1f3d;}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff;}
.btn-dark{background:var(--ink-800);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff;}
.menu-toggle{display:none;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;width:42px;height:40px;font-size:18px;line-height:1;align-items:center;justify-content:center;}
.mobile-drawer{display:none;background:#12172f;border-top:1px solid rgba(255,255,255,.08);padding:14px 22px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;color:#cfd4ea;font-weight:600;padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.07);}
.mobile-drawer a.is-active{color:var(--gold);}
.mobile-drawer .btn{width:100%;margin-top:16px;}
/* ===== 通用板块 ===== */
.section{padding:76px 0;}
.section-tight{padding:58px 0;}
.section-light{background:var(--panel);}
.section-alt{background:var(--bg-alt);}
.section-dark{background:linear-gradient(140deg,var(--ink-900),var(--ink-700) 70%,#2b3568);color:#e8ebf7;position:relative;overflow:hidden;}
.section-dark::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.16;}
.section-dark > .container{position:relative;z-index:2;}
.section-dark .section-desc{color:#b6bddb;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--gold-deep);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.35);padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.section-dark .eyebrow{color:var(--gold-soft);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);}
.section-title{font-size:30px;letter-spacing:.2px;}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:62px 0 78px;}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.42;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 16% 16%,rgba(255,180,0,.22),transparent 46%),linear-gradient(180deg,rgba(10,14,32,.72),rgba(10,14,32,.95));}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gold-soft);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);padding:6px 15px;border-radius:999px;}
.hero h1{margin:20px 0 0;font-size:40px;line-height:1.24;color:#fff;letter-spacing:.4px;}
.hero h1 span{color:var(--gold);}
.hero-lead{margin-top:18px;color:#c2c9e4;font-size:16px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{display:flex;gap:34px;margin-top:34px;flex-wrap:wrap;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);}
.hero-meta strong{display:block;font-size:24px;color:var(--gold);line-height:1.2;}
.hero-meta span{font-size:13px;color:#9aa2c4;}
.hero-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;}
.stack-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:18px 20px;backdrop-filter:blur(8px);box-shadow:0 14px 36px rgba(6,9,22,.34);}
.stack-card h3{color:#fff;font-size:16px;}
.stack-card p{color:#aeb6d6;font-size:13.5px;margin-top:6px;}
.stack-main{grid-column:1 / -1;background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.38);}
.stack-num{font-size:30px;font-weight:900;color:var(--gold);line-height:1.15;letter-spacing:.5px;}
.stack-side-lift{transform:translateY(18px);}
.pill{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.6px;color:#0e1226;background:var(--gold);border-radius:999px;padding:2px 10px;}
.pill-soft{background:rgba(255,255,255,.16);color:#dfe4f7;}
/* ===== 卡片 ===== */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;}
.card-num{font-size:13px;font-weight:900;color:var(--gold-deep);letter-spacing:1.4px;display:block;margin-bottom:10px;}
.feature-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:22px;align-items:stretch;}
.card-lead{background:linear-gradient(160deg,#fff,#f7f8ff);}
.card-lead figure{margin:0 0 18px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.card-lead img{width:100%;height:180px;object-fit:cover;transition:transform .5s ease;}
.card-lead:hover img{transform:scale(1.04);}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{font-size:12.5px;font-weight:700;color:var(--ink-700);background:var(--bg-alt);border:1px solid var(--line);border-radius:999px;padding:4px 12px;}
/* ===== 阶梯 ===== */
.ladder{display:grid;gap:16px;}
.ladder-step{display:grid;grid-template-columns:76px 1fr;gap:22px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:14px;padding:22px 26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease;}
.ladder-step:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.ladder-step .no{font-size:26px;font-weight:900;color:rgba(26,31,61,.16);line-height:1;letter-spacing:1px;}
.ladder-step h3{font-size:18px;}
.ladder-step p{color:var(--muted);font-size:14.5px;margin-top:8px;}
.ladder-step .key{display:inline-block;margin-top:12px;font-size:13px;font-weight:800;color:var(--gold-deep);background:rgba(255,180,0,.13);border-radius:999px;padding:3px 12px;}
/* ===== 图文分栏 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;}
.split figure img{width:100%;height:340px;object-fit:cover;transition:transform .6s ease;}
.split figure:hover img{transform:scale(1.05);}
.split figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:13.5px;color:#eef1fb;background:linear-gradient(180deg,rgba(14,18,38,0),rgba(14,18,38,.86));}
.split-body h2{font-size:28px;}
.split-body p{margin-top:14px;color:var(--muted);font-size:15.5px;}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:grid;grid-template-columns:24px 1fr;gap:12px;font-size:14.8px;color:var(--text);}
.check-list li::before{content:"✦";color:var(--gold-deep);font-size:14px;line-height:1.7;}
.split.reverse .split-media{order:2;}
/* ===== 数据条 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px;}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-left:3px solid var(--gold);border-radius:14px;padding:22px 22px 20px;transition:background .22s ease,transform .22s ease;}
.stat:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);}
.stat strong{display:block;font-size:30px;color:var(--gold);line-height:1.2;letter-spacing:.5px;}
.stat span{font-size:13.5px;color:#b6bddb;display:block;margin-top:6px;}
/* ===== 误区 ===== */
.mistake-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:start;}
.mistake-list{display:grid;gap:14px;}
.mistake-list li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:38px 1fr;gap:16px;transition:border-color .22s ease,box-shadow .22s ease;}
.mistake-list li:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md);}
.mistake-list .idx{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--ink-800);color:var(--gold);font-weight:900;font-size:14px;}
.mistake-list h3{font-size:16.5px;}
.mistake-list p{color:var(--muted);font-size:14.3px;margin-top:6px;}
.mistake-list .fix{display:inline-block;margin-top:10px;font-size:13px;font-weight:800;color:var(--gold-deep);}
/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:border-color .2s ease;}
.faq-item:hover{border-color:rgba(255,180,0,.5);}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;color:var(--ink-800);font-size:16px;display:flex;justify-content:space-between;gap:14px;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold-deep);font-size:20px;font-weight:900;line-height:1;flex:none;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:14.8px;border-top:1px dashed var(--line);padding-top:14px;}
/* ===== 资讯列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{display:flex;flex-direction:column;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.post-tag{align-self:flex-start;font-size:12px;font-weight:800;color:var(--gold-deep);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);border-radius:999px;padding:3px 11px;}
.post-card h3{font-size:17px;line-height:1.5;}
.post-card p{font-size:14px;color:var(--muted);flex:1;}
.post-time{font-size:12.5px;color:#96a0bf;letter-spacing:.3px;}
.post-empty{color:var(--muted);font-size:15px;background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center;}
.list-foot{margin-top:26px;}
/* ===== 收口 CTA ===== */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--ink-800),var(--ink-600));border-radius:var(--radius-lg);padding:44px 46px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-lg);}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-7.webp') center/cover no-repeat;opacity:.2;}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:#c3cae4;font-size:15px;margin-top:10px;max-width:560px;}
/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:#b7bedb;padding:56px 0 0;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:36px;}
.footer-brand .brand{display:inline-flex;}
.footer-brand p{margin-top:16px;font-size:14px;color:#98a0c2;max-width:430px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.4px;}
.footer-col a{display:block;font-size:14px;color:#aab1d0;padding:5px 0;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:12px;padding:18px 0 22px;font-size:13px;color:#8a92b4;flex-wrap:wrap;}
/* ===== 响应式 ===== */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:36px;}
 .hero h1{font-size:34px;}
 .feature-grid{grid-template-columns:1fr 1fr;}
 .card-lead{grid-column:1 / -1;}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:1fr;gap:30px;}
 .split.reverse .split-media{order:0;}
 .mistake-layout{grid-template-columns:1fr;gap:28px;}
 .main-nav{display:none;}
 .menu-toggle{display:inline-flex;}
 .search-box{display:none;}
 .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .section{padding:54px 0;}
 .section-title{font-size:24px;}
 .hero{padding:48px 0 62px;}
 .hero h1{font-size:28px;}
 .hero-meta{gap:22px;}
 .hero-meta strong{font-size:20px;}
 .stack-side-lift{transform:none;}
 .feature-grid{grid-template-columns:1fr;}
 .ladder-step{grid-template-columns:1fr;gap:10px;padding:20px;}
 .split figure img{height:250px;}
 .cta-band{padding:32px 26px;}
 .cta-band h2{font-size:22px;}
 .header-inner{gap:14px;min-height:64px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .hero h1{font-size:24px;}
 .hero-actions .btn{width:100%;}
 .stat-grid{grid-template-columns:1fr;}
 .post-grid{grid-template-columns:1fr;}
 .footer-inner{grid-template-columns:1fr;gap:26px;}
 .brand-name{font-size:16px;}
 .promo-inner{justify-content:center;flex-wrap:wrap;gap:8px;padding:6px 0;text-align:center;}
 .grid-2,.grid-3{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
 --ink-900:#0e1226;
 --ink-800:#1a1f3d;
 --ink-700:#252c56;
 --ink-600:#333b6b;
 --gold:#ffb400;
 --gold-soft:#ffd166;
 --gold-deep:#e08e00;
 --bg:#f4f5fa;
 --bg-alt:#eceefa;
 --panel:#ffffff;
 --line:#e3e6f0;
 --text:#1c2340;
 --muted:#6b7391;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.07);
 --shadow-md:0 10px 28px rgba(26,31,61,.10);
 --shadow-lg:0 18px 44px rgba(26,31,61,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
 background:var(--bg);color:var(--text);line-height:1.78;font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--ink-800);}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;}

/* ================= 顶部促销条 + 主栏 ================= */
.site-header{position:sticky;top:0;z-index:80;background:rgba(14,18,38,.98);border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 8px 26px rgba(7,10,24,.3);backdrop-filter:blur(10px);}
.promo-bar{background:linear-gradient(90deg,#141a35,#2b3568 62%,#3a3f74);border-bottom:1px solid rgba(255,255,255,.07);}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;font-size:13px;color:#c3cae6;flex-wrap:wrap;}
.promo-inner p{margin:0;display:flex;align-items:center;gap:9px;}
.promo-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);flex:none;}
.promo-inner strong{color:var(--gold-soft);font-weight:800;}
.promo-links{display:flex;align-items:center;gap:18px;}
.promo-links a{color:#a9b1d0;font-weight:600;}
.promo-links a:hover{color:var(--gold);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;flex:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));display:grid;place-items:center;color:#1a1f3d;font-size:17px;font-weight:900;box-shadow:0 6px 16px rgba(255,180,0,.32);}
.brand-name{font-size:18px;letter-spacing:.6px;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--gold);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{color:#c4cae2;font-size:15px;font-weight:600;padding:9px 13px;border-radius:9px;white-space:nowrap;}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08);}
.main-nav a.is-active{color:var(--gold);background:rgba(255,180,0,.12);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:2px 4px 2px 14px;transition:border-color .2s ease,background .2s ease;}
.search-box:focus-within{border-color:var(--gold);background:rgba(255,255,255,.13);}
.search-box input{background:transparent;border:0;color:#fff;font-size:14px;width:140px;padding:7px 0;outline:none;}
.search-box input::placeholder{color:#8c93b3;}
.search-box button{background:var(--gold);border:0;color:#1a1f3d;font-weight:800;font-size:13px;border-radius:999px;padding:7px 14px;transition:background .2s ease;}
.search-box button:hover{background:var(--gold-soft);}
.icon-btn{display:inline-flex;align-items:center;gap:6px;color:#c4cae2;font-size:14px;font-weight:600;padding:8px 10px;border-radius:9px;}
.icon-btn:hover{color:var(--gold);background:rgba(255,255,255,.07);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;border:0;border-radius:999px;padding:11px 22px;font-size:15px;line-height:1.2;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold) 60%,var(--gold-deep));color:#1a1f3d;box-shadow:0 8px 20px rgba(255,180,0,.3);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.26);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-dark{background:var(--ink-800);color:#fff;box-shadow:var(--shadow-sm);}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.menu-toggle{display:none;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;width:42px;height:40px;font-size:18px;line-height:1;}
.mobile-drawer{display:none;background:#12172f;border-top:1px solid rgba(255,255,255,.08);padding:14px 22px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;color:#cfd4ea;font-weight:600;padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.07);}
.mobile-drawer a:hover{color:#fff;}
.mobile-drawer a.is-active{color:var(--gold);}
.mobile-drawer .btn{width:100%;margin-top:16px;}

/* ================= 首屏 ================= */
.hero-demo{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:54px 0 64px;}
.hero-demo::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.42;}
.hero-demo::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 16% 20%,rgba(255,180,0,.24),transparent 48%),linear-gradient(180deg,rgba(10,14,32,.76),rgba(10,14,32,.95));}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:#9aa3c6;margin-bottom:20px;flex-wrap:wrap;}
.crumb a{color:#c3cae6;font-weight:600;}
.crumb a:hover{color:var(--gold);}
.crumb span{color:var(--gold-soft);font-weight:700;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gold-soft);background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);padding:6px 15px;border-radius:999px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,.88fr);gap:40px;align-items:center;}
.hero-title{margin:18px 0 0;font-size:clamp(28px,3.6vw,44px);line-height:1.22;color:#fff;letter-spacing:.4px;}
.hero-title em{font-style:normal;color:var(--gold);}
.hero-lead{margin-top:16px;color:#bcc4e0;font-size:16px;max-width:640px;}
.chip-label{margin:24px 0 10px;font-size:13px;font-weight:800;letter-spacing:1.2px;color:#8f98bd;text-transform:uppercase;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:#d7dcf0;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);padding:7px 14px;border-radius:999px;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;}
.chip:hover{color:var(--gold-soft);border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.12);transform:translateY(-2px);}
.chip i{font-style:normal;color:var(--gold);font-weight:900;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:22px 22px 18px;box-shadow:0 18px 40px rgba(5,8,20,.35);backdrop-filter:blur(8px);}
.hero-panel h2{font-size:15px;color:#fff;letter-spacing:.6px;margin-bottom:4px;}
.hero-panel .panel-sub{font-size:13px;color:#9aa3c6;margin-bottom:14px;}
.map-list li a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:11px;border:1px solid transparent;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.map-list li a:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);transform:translateX(3px);}
.map-num{width:30px;height:30px;flex:none;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:900;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));}
.map-name{font-size:14.5px;font-weight:700;color:#eef1fa;}
.map-note{display:block;font-size:12.5px;color:#98a0c2;font-weight:400;}

/* ================= 通用板块 ================= */
.section{padding:74px 0;}
.section-tight{padding:58px 0;}
.section-light{background:var(--panel);}
.section-alt{background:var(--bg-alt);}
.section-dark{background:linear-gradient(140deg,var(--ink-900),var(--ink-700) 68%,#2b3568);color:#e8ebf7;}
.section-dark .section-title{color:#fff;}
.section-dark .section-desc{color:#b6bddb;}
.section-head{max-width:790px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--gold-deep);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.35);padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.section-dark .eyebrow{color:var(--gold-soft);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);}
.section-title{font-size:clamp(23px,2.4vw,30px);}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:34px;}
.stat-cell{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);}
.stat-cell b{display:block;font-size:26px;color:var(--ink-800);letter-spacing:.5px;}
.stat-cell span{font-size:13.5px;color:var(--muted);font-weight:600;}
.metric-card{height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.metric-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,180,0,.06));border:1px solid rgba(255,180,0,.35);color:var(--gold-deep);font-weight:900;font-size:16px;margin-bottom:14px;}
.metric-card h3{font-size:17.5px;margin-bottom:8px;}
.metric-card p{font-size:14.5px;color:var(--muted);margin:0;}
.metric-card .mini{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:800;color:var(--ink-700);background:var(--bg-alt);border-radius:999px;padding:4px 12px;}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.scene-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.scene-card:hover .scene-media img{transform:scale(1.05);}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,18,38,.05),rgba(14,18,38,.62));}
.scene-badge{position:absolute;left:14px;top:14px;z-index:2;font-size:12.5px;font-weight:800;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold));padding:4px 12px;border-radius:999px;}
.scene-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:18px;margin-bottom:8px;}
.scene-body p{font-size:14.5px;color:var(--muted);margin:0 0 14px;}
.scene-list{margin-top:auto;display:grid;gap:7px;}
.scene-list li{font-size:13.8px;color:var(--ink-600);padding-left:18px;position:relative;}
.scene-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--gold);}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.flow-num{font-size:13px;font-weight:900;letter-spacing:1.4px;color:var(--gold-deep);}
.flow-card h3{font-size:17px;margin:8px 0 8px;}
.flow-card p{font-size:14.3px;color:var(--muted);margin:0;}
.flow-line{position:absolute;left:0;top:0;width:100%;height:3px;border-radius:12px 12px 0 0;background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));}

/* 阶梯 */
.ladder-list{display:grid;gap:12px;margin-top:6px;}
.ladder-row{display:grid;grid-template-columns:110px 1fr 1.05fr;gap:18px;align-items:center;padding:16px 20px;border-radius:var(--radius);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.ladder-row:hover{background:rgba(255,180,0,.1);border-color:rgba(255,180,0,.42);transform:translateX(3px);}
.ladder-step{font-size:16px;font-weight:900;color:var(--gold);letter-spacing:.5px;}
.ladder-row p{margin:0;font-size:14.5px;color:#c4cbe4;}
.ladder-row .advice{font-size:14px;color:#eef1fa;font-weight:600;}
.ladder-note{margin-top:20px;font-size:13.5px;color:#98a0c2;}

/* 通行档位 */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch;}
.tier-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.tier-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.tier-card.is-featured{border-color:rgba(255,180,0,.65);box-shadow:var(--shadow-md);}
.tier-flag{position:absolute;right:20px;top:-13px;font-size:12.5px;font-weight:800;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold));padding:4px 13px;border-radius:999px;box-shadow:0 6px 14px rgba(255,180,0,.32);}
.tier-card h3{font-size:19px;margin-bottom:6px;}
.tier-open{font-size:13px;font-weight:800;color:var(--gold-deep);letter-spacing:.6px;margin-bottom:14px;}
.tier-card ul{display:grid;gap:9px;margin-bottom:22px;}
.tier-card li{font-size:14.4px;color:var(--ink-600);padding-left:20px;position:relative;}
.tier-card li::before{content:"✓";position:absolute;left:0;top:0;color:var(--gold-deep);font-weight:900;}
.tier-card .btn{margin-top:auto;width:100%;}

/* 口碑 */
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.quote-card{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.quote-card p{font-size:15px;color:var(--ink-700);margin:0 0 14px;}
.quote-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);font-weight:600;}
.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:900;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));flex:none;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.news-tag{align-self:flex-start;font-size:12.5px;font-weight:800;color:var(--ink-800);background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.38);padding:3px 11px;border-radius:999px;margin-bottom:12px;}
.news-card h3{font-size:17.5px;margin-bottom:8px;transition:color .2s ease;}
.news-card:hover h3{color:var(--gold-deep);}
.news-card p{font-size:14.3px;color:var(--muted);margin:0 0 14px;}
.news-date{font-size:13px;color:#8b93b2;font-weight:600;margin-top:auto;}
.empty-note{background:var(--panel);border:1px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center;color:var(--muted);font-size:14.5px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 52px 18px 22px;font-size:16px;font-weight:800;color:var(--ink-800);position:relative;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:700;color:var(--gold-deep);transition:transform .2s ease;}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{background:rgba(255,180,0,.06);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;}
.faq-body p{margin:0;}

/* 收口 */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#131936,var(--ink-700) 60%,#333b6b);border-radius:var(--radius-lg);padding:44px 40px;color:#fff;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,27px);margin-bottom:8px;position:relative;z-index:2;}
.cta-band p{margin:0;color:#bcc4e0;font-size:15px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ================= 页脚 ================= */
.site-footer{background:var(--ink-900);color:#a9b1d0;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.07);}
.footer-inner{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,.7fr));gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.09);}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#9aa3c6;max-width:440px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col a{display:block;font-size:14px;color:#9aa3c6;padding:5px 0;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:#7d86a8;}

/* ================= 响应式 ================= */
@media (max-width:1100px){
 .search-box input{width:104px;}
 .hero-grid{gap:28px;}
}
@media (max-width:1024px){
 .main-nav a{padding:9px 10px;font-size:14px;}
 .hero-grid{grid-template-columns:1fr;}
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
 .scene-grid{grid-template-columns:1fr;}
 .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .tier-grid{grid-template-columns:1fr;}
 .quote-grid{grid-template-columns:1fr;}
 .ladder-row{grid-template-columns:92px 1fr;gap:8px 16px;}
 .ladder-row .advice{grid-column:1 / -1;color:#c8cfe8;font-weight:500;}
}
@media (max-width:900px){
 .main-nav,.search-box{display:none;}
 .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
 .header-tools .btn-gold{display:none;}
 .footer-inner{grid-template-columns:1fr 1fr;gap:26px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
 .promo-bar{display:none;}
 .section{padding:54px 0;}
 .section-tight{padding:46px 0;}
 .hero-demo{padding:38px 0 48px;}
 .news-grid{grid-template-columns:1fr;}
 .cta-band{padding:32px 24px;}
 .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
 body{font-size:15.4px;}
 .container{padding:0 16px;}
 .header-inner{min-height:64px;gap:12px;}
 .brand-name{font-size:16px;}
 .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
 .stat-cell b{font-size:22px;}
 .flow-grid{grid-template-columns:1fr;}
 .footer-inner{grid-template-columns:1fr;}
 .hero-actions .btn{width:100%;}
 .cta-actions .btn{width:100%;}
 .ladder-row{padding:14px 16px;}
}