/* roulang page: index */
:root{
  --ink:#08131f;
  --ink-soft:#0f2133;
  --paper:#ffffff;
  --paper-2:#f2f6fa;
  --paper-3:#e8eff6;
  --line:#dde6ef;
  --line-strong:#c6d6e4;
  --text:#12212f;
  --muted:#5d7387;
  --brand:#0e8f9e;
  --brand-dark:#0a6f7c;
  --brand-soft:#e3f4f6;
  --accent:#f2a33c;
  --accent-dark:#d9861f;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:8px;
  --shadow-1:0 1px 2px rgba(11,32,50,.05),0 4px 14px rgba(11,32,50,.06);
  --shadow-2:0 12px 30px rgba(11,32,50,.12);
  --shadow-3:0 24px 60px rgba(11,32,50,.18);
  --container:1180px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.75;color:var(--text);
  background:var(--paper-2);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.015em}
p{margin:0}
:focus-visible{outline:3px solid rgba(14,143,158,.45);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.ico{width:20px;height:20px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:10px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12a8b8);color:#fff;box-shadow:0 8px 20px rgba(14,143,158,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,143,158,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,143,158,.3)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ffbc66);color:#3f2708;box-shadow:0 8px 20px rgba(242,163,60,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,163,60,.4)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:12px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:8px}
.btn-block{width:100%}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;position:relative;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-compact{background:rgba(255,255,255,.99);box-shadow:0 8px 24px rgba(11,32,50,.1)}
.header-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding:14px 0 0;transition:padding var(--ease);
}
.is-compact .header-inner{padding:9px 0}
.logo{
  order:1;display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  transition:font-size var(--ease);
}
.is-compact .logo{font-size:17.5px}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;
  font-size:15px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px rgba(14,143,158,.35);
  transition:width var(--ease),height var(--ease);
}
.is-compact .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
.brand-meta{order:2;flex:1 1 220px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.header-cta{order:3}
.header-cta .btn{padding:9px 18px;font-size:13.5px}
.nav-toggle{
  order:4;display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);box-shadow:0 4px 12px rgba(11,32,50,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.main-nav{
  order:5;flex:0 0 100%;display:flex;align-items:center;justify-content:center;gap:6px;
  margin-top:10px;padding:12px 0 13px;border-top:1px solid var(--line);
  transition:padding var(--ease),margin var(--ease),border-color var(--ease);
}
.main-nav a{
  padding:9px 17px;border-radius:999px;font-size:14.5px;font-weight:600;color:#3b5266;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.main-nav a.active{background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(8,19,31,.22)}
.is-compact .brand-meta{display:none}
.is-compact .main-nav{order:2;flex:1 1 auto;margin-top:0;padding:0;border-top:0;justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:58px 0 64px;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45;z-index:-2}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(6,18,29,.95) 0%,rgba(6,18,29,.8) 48%,rgba(6,18,29,.42) 100%);
}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#d9ecf2;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.22)}
.hero h1{
  margin:18px 0 16px;font-size:clamp(28px,4.4vw,43px);line-height:1.2;letter-spacing:-.025em;font-weight:800;
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:#54d6e2}
.hero-lede{max-width:600px;font-size:15.5px;line-height:1.85;color:#c9dde8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32);color:#fff}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.6);color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags li{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#cfe5ee;
  transition:background var(--ease),border-color var(--ease);
}
.hero-tags li:hover{background:rgba(84,214,226,.16);border-color:rgba(84,214,226,.45)}
.hero-stage{display:flex;justify-content:flex-end}
.stage-frame{
  position:relative;width:100%;max-width:330px;aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.22);box-shadow:var(--shadow-3);background:#0a1a28;
}
.stage-frame img{width:100%;height:100%;object-fit:cover}
.stage-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,14,22,.05) 38%,rgba(4,14,22,.88) 100%);
}
.stage-badge{
  position:absolute;top:14px;left:14px;z-index:2;display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(8,19,31,.72);border:1px solid rgba(255,255,255,.24);color:#fff;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.stage-badge i{width:7px;height:7px;border-radius:50%;background:#ff5d5d;box-shadow:0 0 0 4px rgba(255,93,93,.22);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.stage-stats{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;
}
.stage-stats div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:8px 4px}
.stage-stats strong{display:block;font-size:16px;color:#fff;line-height:1.2}
.stage-stats span{font-size:11px;color:#bdd6e2}

/* ---------- 通用板块 ---------- */
.section{padding:66px 0;background:var(--paper)}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#dbe9f2}
.section-head{max-width:740px;margin-bottom:34px}
.kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.16em;color:var(--brand);text-transform:uppercase;
}
.kicker::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--brand)}
.section-head h2{margin:12px 0 12px;font-size:clamp(22px,3vw,30px)}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:#9fb9cb}
.section--dark .kicker{color:#54d6e2}
.section--dark .kicker::before{background:#54d6e2}

/* ---------- 卡片通用 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}

/* ---------- 品牌故事 ---------- */
.story-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.story-copy h2{font-size:clamp(22px,3vw,30px);margin-bottom:16px}
.story-copy p{color:var(--muted);margin-bottom:14px;font-size:15px}
.story-list{display:grid;gap:14px;margin-top:26px}
.story-list li{display:flex;gap:13px;align-items:flex-start}
.story-list .dot{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);
}
.story-list strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px}
.story-list span{font-size:13.5px;color:var(--muted);line-height:1.7}
.story-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line)}
.story-media img{width:100%;aspect-ratio:4/3.2;object-fit:cover;transition:transform .5s var(--ease)}
.story-media:hover img{transform:scale(1.04)}
.story-media .media-note{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(8,19,31,.78);border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-radius:12px;padding:12px 16px;color:#e4eef5;font-size:13.5px;
}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{display:block;padding:26px 24px;position:relative;overflow:hidden}
.cat-card::before{
  content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,143,158,.14),transparent 68%);transition:transform .4s var(--ease);
}
.cat-card:hover::before{transform:scale(1.35)}
.cat-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;margin-bottom:18px;
  box-shadow:0 8px 18px rgba(14,143,158,.28);
}
.cat-card h3{font-size:18px;margin-bottom:9px}
.cat-card p{font-size:13.8px;color:var(--muted);min-height:72px}
.cat-more{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand-dark)}
.cat-more svg{transition:transform var(--ease)}
.cat-card:hover .cat-more svg{transform:translateX(4px)}

/* ---------- 爆款清单 ---------- */
.rail-wrap{position:relative}
.rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(248px,1fr);gap:20px;
  overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;
}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px}
.rail::-webkit-scrollbar-track{background:transparent}
.hit-card{scroll-snap-align:start;overflow:hidden;display:flex;flex-direction:column}
.hit-card img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s var(--ease)}
.hit-card:hover img{transform:scale(1.05)}
.hit-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.hit-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;background:var(--ink);color:#fff;
  font-size:12.5px;font-weight:800;
}
.hit-body h3{font-size:16.5px}
.hit-body p{font-size:13.5px;color:var(--muted);flex:1}
.hit-tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--brand-soft);color:var(--brand-dark);width:fit-content;
}
.hit-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}

/* ---------- 玩法亮点 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feature-card{padding:28px 24px}
.feature-card .ico-box{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);margin-bottom:18px;
  transition:background var(--ease),color var(--ease);
}
.feature-card:hover .ico-box{background:var(--brand);color:#fff}
.feature-card h3{font-size:17px;margin-bottom:9px}
.feature-card p{font-size:13.8px;color:var(--muted)}

/* ---------- 数据指标 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:6px}
.stat-item{
  padding:24px 20px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.stat-item:hover{background:rgba(84,214,226,.1);border-color:rgba(84,214,226,.4);transform:translateY(-3px)}
.stat-item strong{display:block;font-size:32px;line-height:1.15;color:#fff;letter-spacing:-.02em}
.stat-item strong em{font-style:normal;font-size:16px;color:#54d6e2;margin-left:3px}
.stat-item span{display:block;font-size:13.5px;color:#9fb9cb;margin-top:8px}

/* ---------- 三步上手 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step-card{position:relative;padding:30px 24px 26px;overflow:hidden}
.step-card::after{
  content:counter(step);counter-increment:step;
  position:absolute;right:14px;top:2px;font-size:66px;font-weight:800;line-height:1;
  color:rgba(14,143,158,.09);letter-spacing:-.05em;
}
.step-card h3{font-size:17px;margin-bottom:10px;position:relative;z-index:1}
.step-card p{font-size:13.8px;color:var(--muted);position:relative;z-index:1}
.step-line{width:34px;height:3px;border-radius:3px;background:var(--accent);margin-bottom:18px}

/* ---------- 会员权益 ---------- */
.perk-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.perk-card{padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.perk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.perk-card .ico-box{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--paper-3);color:var(--brand-dark);margin-bottom:15px}
.perk-card h3{font-size:15.5px;margin-bottom:7px}
.perk-card p{font-size:13px;color:var(--muted)}
.perk-cta{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:22px 26px;border-radius:var(--radius-lg);background:linear-gradient(120deg,#0b2536,#0e3d4c);color:#dbe9f2}
.perk-cta p{font-size:14px;color:#a9c4d4;flex:1 1 320px}

/* ---------- 资讯区 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);gap:28px;align-items:start}
.news-list{display:grid;gap:12px}
.news-item{
  display:block;padding:18px 20px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.news-item__title{display:block;font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.news-item__desc{display:block;font-size:13.5px;color:var(--muted);line-height:1.7}
.news-item__meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;font-size:12.5px;color:#8a9caa}
.news-item__meta em{font-style:normal;color:var(--brand-dark);font-weight:700}
.news-side{padding:24px 22px;position:sticky;top:96px}
.news-side h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{display:grid;gap:14px}
.side-list a{display:block;font-size:13.8px;color:#33485c;font-weight:600;line-height:1.65;transition:color var(--ease)}
.side-list a:hover{color:var(--brand-dark)}
.side-list .side-desc{display:block;font-size:12.5px;color:#8a9caa;font-weight:400;margin-top:3px}
.side-list li{padding-bottom:13px;border-bottom:1px dashed var(--line)}
.side-list li:last-child{padding-bottom:0;border-bottom:0}
.news-empty{padding:26px 22px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);font-size:14px}

/* ---------- 保障条 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guard-item{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.guard-item .ico-box{width:38px;height:38px;flex:0 0 38px;border-radius:10px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-dark)}
.guard-item h3{font-size:14.5px;margin-bottom:4px}
.guard-item p{font-size:12.8px;color:var(--muted);line-height:1.65}

/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.voice-card{padding:26px 24px;position:relative}
.voice-card::before{
  content:"";position:absolute;left:24px;top:20px;width:26px;height:20px;
  background:var(--brand-soft);border-radius:6px 6px 6px 0;
}
.voice-card p{font-size:14px;color:#33485c;line-height:1.8;margin:26px 0 20px}
.voice-user{display:flex;align-items:center;gap:12px}
.voice-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;font-size:14px;font-weight:800;
}
.voice-user strong{display:block;font-size:14px;color:var(--ink)}
.voice-user span{font-size:12.5px;color:var(--muted)}
.stars{display:flex;gap:3px;color:var(--accent);margin-bottom:2px}
.stars svg{width:13px;height:13px}

/* ---------- 直播预告 / 倒计时 ---------- */
.live-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:38px;align-items:center;
  padding:38px;border-radius:20px;
  background:linear-gradient(125deg,#0a2130 0%,#0d3c4a 62%,#125865 100%);
  color:#e6f2f7;box-shadow:var(--shadow-2);
}
.live-panel h2{font-size:clamp(21px,2.8vw,27px);color:#fff;margin-bottom:14px}
.live-panel > div > p{font-size:14.5px;color:#a9c6d6;line-height:1.85}
.countdown{display:flex;gap:12px;margin-top:24px}
.cd-cell{
  min-width:74px;padding:12px 10px;text-align:center;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.cd-cell strong{display:block;font-size:26px;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.cd-cell span{font-size:11.5px;color:#9fbccd;letter-spacing:.08em}
.live-points{display:grid;gap:14px}
.live-points li{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
.live-points .ico{color:#54d6e2;margin-top:2px}
.live-points strong{display:block;font-size:14px;color:#fff;margin-bottom:3px}
.live-points span{font-size:12.8px;color:#a9c6d6;line-height:1.65}

/* ---------- 适用人群 ---------- */
.crowd-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.crowd-card{padding:24px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.crowd-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.crowd-card h3{font-size:15.5px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.crowd-card h3 .ico{color:var(--brand-dark)}
.crowd-card p{font-size:13.2px;color:var(--muted)}
.crowd-card .chip{display:inline-block;margin-top:14px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:var(--paper-3);color:#3d566b}

/* ---------- 收口 CTA ---------- */
.join-band{
  position:relative;overflow:hidden;border-radius:22px;padding:52px 40px;text-align:center;
  background:linear-gradient(135deg,#0c3543,#0e8f9e 72%,#12a8b8);color:#fff;box-shadow:var(--shadow-2);
}
.join-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%);
}
.join-band h2{font-size:clamp(22px,3.2vw,30px);margin-bottom:14px;position:relative;z-index:1}
.join-band p{max-width:660px;margin:0 auto;font-size:14.8px;color:#d3ecf2;line-height:1.85;position:relative;z-index:1}
.join-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;position:relative;z-index:1}
.join-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);color:#fff}
.join-actions .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff;color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:#061420;color:#93aec0;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:40px;padding-bottom:40px}
.footer-brand .logo{font-size:18px;margin-bottom:16px;color:#fff}
.footer-brand p{font-size:13.5px;color:#89a4b6;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.5px;color:#93aec0;transition:color var(--ease),transform var(--ease);display:inline-block}
.footer-col a:hover{color:#54d6e2;transform:translateX(3px)}
.footer-bar{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-bar-inner{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.8px;color:#7c96a8}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero-stage{justify-content:flex-start}
  .stage-frame{max-width:280px;margin-left:0}
  .story-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid,.step-grid,.voice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid,.perk-grid,.guard-grid,.crowd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-layout{grid-template-columns:minmax(0,1fr)}
  .news-side{position:static}
  .live-panel{grid-template-columns:minmax(0,1fr);gap:28px;padding:32px 28px}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}
@media (max-width:900px){
  .brand-meta{display:none}
  .header-inner{padding:11px 0;flex-wrap:nowrap;gap:12px}
  .is-compact .header-inner{padding:9px 0}
  .site-header{position:relative}
  .nav-toggle{display:inline-flex;order:4;margin-left:auto}
  .header-cta{order:3}
  .main-nav,
  .is-compact .main-nav{
    position:absolute;left:12px;right:12px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;
    margin:0;padding:10px;border:1px solid var(--line);border-top:1px solid var(--line);
    background:#fff;border-radius:14px;box-shadow:var(--shadow-2);display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px;border-radius:10px;font-size:14.5px}
  .main-nav a.active{box-shadow:none}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .hero{padding:44px 0 50px}
  .hero-actions{margin-top:22px}
  .hero-tags{margin-top:22px}
  .cat-grid,.feature-grid,.step-grid,.voice-grid,.stat-grid,.perk-grid,.guard-grid,.crowd-grid{grid-template-columns:minmax(0,1fr)}
  .perk-cta{padding:20px}
  .join-band{padding:40px 22px;border-radius:18px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:32px}
  .stage-frame{max-width:250px}
  .cd-cell{min-width:64px}
  .cd-cell strong{font-size:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .hero-lede{font-size:14.5px}
  .btn-lg{padding:12px 20px;font-size:14.5px}
  .hero-actions .btn{flex:1 1 100%}
  .header-cta .btn{padding:8px 13px;font-size:13px}
  .section-head h2{font-size:21px}
  .stage-stats strong{font-size:14px}
  .footer-bar-inner{flex-direction:column;gap:8px}
  .countdown{gap:8px}
  .cd-cell{flex:1 1 0;min-width:0;padding:10px 6px}
}

/* roulang page: article */
:root{
 --ink:#08131f;
 --ink-soft:#0f2133;
 --paper:#ffffff;
 --paper-2:#f2f6fa;
 --paper-3:#e8eff6;
 --line:#dde6ef;
 --line-strong:#c6d6e4;
 --text:#12212f;
 --muted:#5d7387;
 --brand:#0e8f9e;
 --brand-dark:#0a6f7c;
 --brand-soft:#e3f4f6;
 --accent:#f2a33c;
 --accent-dark:#d9861f;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 1px 2px rgba(11,32,50,.05),0 4px 14px rgba(11,32,50,.06);
 --shadow-2:0 12px 30px rgba(11,32,50,.12);
 --shadow-3:0 24px 60px rgba(11,32,50,.18);
 --container:1180px;
 --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.75;color:var(--text);
 background:var(--paper-2);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,143,158,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 20px;border-radius:10px;font-size:14.5px;font-weight:700;
 border:1px solid transparent;white-space:nowrap;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12a8b8);color:#fff;box-shadow:0 8px 20px rgba(14,143,158,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,143,158,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,143,158,.3)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ffbc66);color:#3f2708;box-shadow:0 8px 20px rgba(242,163,60,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,163,60,.4)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:12px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:8px}

/* ---------- 站点头部 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(255,255,255,.94);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-compact{background:rgba(255,255,255,.99);box-shadow:0 8px 24px rgba(11,32,50,.1)}
.header-inner{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
 padding:14px 0 0;transition:padding var(--ease);
}
.is-compact .header-inner{padding:9px 0}
.logo{
 order:1;display:inline-flex;align-items:center;gap:10px;
 font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
 transition:font-size var(--ease);
}
.is-compact .logo{font-size:17.5px}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;
 font-size:15px;font-weight:800;
 box-shadow:0 6px 16px rgba(14,143,158,.35);
 transition:width var(--ease),height var(--ease);
}
.is-compact .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
.brand-meta{order:2;flex:1 1 220px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.header-cta{order:3}
.header-cta .btn{padding:9px 18px;font-size:13.5px}
.nav-toggle{
 order:4;display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
 transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);box-shadow:0 4px 12px rgba(11,32,50,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.main-nav{
 order:5;flex:0 0 100%;display:flex;align-items:center;justify-content:center;gap:6px;
 margin-top:10px;padding:12px 0 13px;border-top:1px solid var(--line);
 transition:padding var(--ease),margin var(--ease),border-color var(--ease);
}
.main-nav a{
 padding:9px 17px;border-radius:999px;font-size:14.5px;font-weight:600;color:#3b5266;
 transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.main-nav a.active{background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(8,19,31,.22)}
.is-compact .brand-meta{display:none}
.is-compact .main-nav{order:2;flex:1 1 auto;margin-top:0;padding:0;border-top:0;justify-content:center}

/* ---------- 文章头图 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:46px 0 52px;isolation:isolate}
.article-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;z-index:-2}
.article-hero::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(100deg,rgba(6,18,29,.96) 0%,rgba(6,18,29,.82) 52%,rgba(6,18,29,.46) 100%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:#9fbccd;margin-bottom:16px}
.breadcrumb a{color:#cfe6ef;border-bottom:1px solid rgba(207,230,239,.35);padding-bottom:1px}
.breadcrumb a:hover{color:#63dbe6;border-color:#63dbe6}
.breadcrumb span.sep{color:#5c7d92}
.article-hero h1{
 font-size:clamp(25px,3.6vw,38px);line-height:1.28;letter-spacing:-.02em;font-weight:800;
 max-width:880px;text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.meta-chip{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
 font-size:12.5px;color:#d7ecf4;font-weight:600;
}
.meta-chip.is-brand{background:rgba(14,143,158,.28);border-color:rgba(84,214,226,.5);color:#a9f0f6}
.pull-quote{
 position:relative;max-width:760px;margin:26px 0 0;padding:18px 22px 18px 26px;
 background:rgba(255,255,255,.08);border-left:4px solid var(--accent);
 border-radius:0 12px 12px 0;color:#e4f2f7;font-size:15px;line-height:1.8;
}
.pull-quote strong{color:#ffd79a;font-weight:800}
.checklist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
.checklist li{
 display:flex;align-items:flex-start;gap:9px;padding:12px 14px;border-radius:10px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 font-size:13.5px;color:#d5e8f0;line-height:1.55;
}
.checklist li::before{
 content:"";flex:0 0 16px;width:16px;height:16px;margin-top:3px;border-radius:50%;
 background:rgba(84,214,226,.2);
 box-shadow:inset 0 0 0 1px rgba(84,214,226,.75);
 position:relative;
}
.checklist li::after{
 content:"";position:absolute;
}
.tick{flex:0 0 18px;width:18px;height:18px;margin-top:2px;border-radius:50%;
 background:rgba(84,214,226,.18);display:grid;place-items:center;color:#7ee7f1;font-size:11px;font-weight:800;
 box-shadow:inset 0 0 0 1px rgba(84,214,226,.7)}

/* ---------- 正文区 ---------- */
.section{padding:56px 0}
.section.alt{background:var(--paper)}
.section-head{max-width:720px;margin-bottom:28px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
 letter-spacing:.1em;color:var(--brand-dark);text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.section-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.32;letter-spacing:-.02em;margin:12px 0 10px;color:var(--ink)}
.section-head p{color:var(--muted);font-size:14.5px}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article-panel{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-1);padding:32px 34px 30px;
}
.article-body{font-size:15.5px;line-height:1.85;color:#26394b}
.article-body p{margin:0 0 17px}
.article-body h2{
 font-size:22px;line-height:1.4;margin:34px 0 14px;padding-left:13px;
 border-left:4px solid var(--brand);color:var(--ink);letter-spacing:-.01em;
}
.article-body h3{font-size:18px;line-height:1.45;margin:26px 0 10px;color:var(--ink-soft)}
.article-body h4{font-size:16px;margin:20px 0 8px;color:var(--ink-soft)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:revert}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius);margin:20px auto;box-shadow:var(--shadow-1)}
.article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(14,143,158,.35);transition:color var(--ease),border-color var(--ease)}
.article-body a:hover{color:var(--accent-dark);border-color:var(--accent-dark)}
.article-body strong{color:var(--ink);font-weight:800}
.article-body blockquote{
 margin:22px 0;padding:15px 20px;background:var(--brand-soft);
 border-left:4px solid var(--brand);border-radius:0 10px 10px 0;color:#0c4a55;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article-body th,.article-body td{padding:10px 12px;border:1px solid var(--line);text-align:left}
.article-body th{background:var(--paper-3);color:var(--ink);font-weight:700}
.article-body code{background:var(--paper-3);padding:2px 6px;border-radius:6px;font-size:13.5px}
.article-foot{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px;
 margin-top:30px;padding-top:20px;border-top:1px dashed var(--line-strong);
}
.tag{
 display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:600;
 transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--brand);color:#fff}
.article-empty{
 text-align:center;padding:52px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius);
 background:var(--paper-2);
}
.article-empty h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.article-empty p{color:var(--muted);font-size:14.5px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
.side-card{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);padding:20px 20px 18px;
}
.side-card h3{font-size:15.5px;color:var(--ink);margin-bottom:12px;letter-spacing:-.01em}
.side-card h3::after{content:"";display:block;width:28px;height:3px;border-radius:2px;background:var(--accent);margin-top:8px}
.side-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:#39505f;line-height:1.6}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list .idx{
 flex:0 0 20px;width:20px;height:20px;border-radius:6px;background:var(--paper-3);
 color:var(--brand-dark);font-size:11.5px;font-weight:800;display:grid;place-items:center;margin-top:2px;
}
.side-card.side-cta{background:linear-gradient(150deg,var(--ink),#14364b);border-color:transparent;color:#d9ebf3}
.side-card.side-cta h3{color:#fff}
.side-card.side-cta p{font-size:13.5px;line-height:1.75;color:#b9d4e0;margin-bottom:16px}
.side-figure{border-radius:10px;overflow:hidden;margin-bottom:14px;box-shadow:var(--shadow-1)}
.side-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.side-figure:hover img{transform:scale(1.04)}
.side-links li a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;font-size:13.5px;color:#39505f;transition:color var(--ease)}
.side-links li a:hover{color:var(--brand-dark)}
.side-links li a::after{content:"›";color:var(--line-strong);font-size:16px}
.side-links li a:hover::after{color:var(--brand)}

/* ---------- 要点卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.05)}
.card-badge{
 position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;
 background:rgba(8,19,31,.78);color:#c8ecf2;font-size:11.5px;font-weight:700;letter-spacing:.04em;
 -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.card-body{padding:18px 20px 20px}
.card-body h3{font-size:16.5px;line-height:1.45;color:var(--ink);margin-bottom:8px;letter-spacing:-.01em}
.card-body p{font-size:13.8px;line-height:1.75;color:var(--muted)}
.card-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step{
 position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px 20px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.step::before{
 counter-increment:step;content:"0" counter(step);
 position:absolute;top:-13px;left:20px;
 padding:3px 11px;border-radius:8px;
 background:linear-gradient(135deg,var(--brand),#12a8b8);color:#fff;
 font-size:12px;font-weight:800;letter-spacing:.08em;
 box-shadow:0 6px 14px rgba(14,143,158,.3);
}
.step h3{font-size:15.5px;color:var(--ink);margin:8px 0 8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.72}

/* ---------- 数据条 ---------- */
.metrics{background:linear-gradient(135deg,#0a1a28 0%,#0f2f42 55%,#0c3d4a 100%);color:#fff;border-radius:var(--radius-lg);padding:34px 30px;box-shadow:var(--shadow-2)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.metric{border-left:2px solid rgba(84,214,226,.5);padding-left:16px}
.metric strong{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.02em;color:#6fe4ef;line-height:1.2}
.metric span{display:block;font-size:13px;color:#b3cfdc;margin-top:6px;line-height:1.6}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(14,143,158,.45);box-shadow:var(--shadow-2)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:16px 50px 16px 20px;position:relative;
 font-size:15px;font-weight:700;color:var(--ink);line-height:1.6;
 transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-item summary::after{
 content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
 width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:16px;font-weight:800;line-height:1;
 transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:#fff}
.faq-answer{padding:0 20px 18px;font-size:14px;line-height:1.8;color:#3d5567;border-top:1px dashed var(--line);padding-top:14px;margin:0 20px 0;padding-left:0;padding-right:0}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#0b2536 0%,#0e4a58 100%);
 color:#fff;padding:44px 40px;box-shadow:var(--shadow-2);isolation:isolate;
}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.24;z-index:-1}
.cta-band h2{font-size:clamp(22px,2.8vw,29px);line-height:1.32;letter-spacing:-.02em;max-width:640px}
.cta-band p{max-width:620px;color:#c4dde7;font-size:14.5px;margin-top:12px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-item{
 display:flex;gap:14px;align-items:flex-start;
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:14px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.related-item img{width:88px;height:66px;object-fit:cover;border-radius:9px;flex:0 0 88px}
.related-item h4{font-size:14.5px;line-height:1.5;color:var(--ink);margin-bottom:6px}
.related-item p{font-size:12.8px;color:var(--muted);line-height:1.62}

/* ---------- 页脚 ---------- */
.site-footer{background:#06121d;color:#a9c2d0;margin-top:12px;padding-top:46px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{font-size:14px;color:#e5f2f7;margin-bottom:14px;letter-spacing:.02em}
.footer-brand .logo{color:#fff;font-size:17.5px}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:9px;font-size:14px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#8fa9ba;margin-top:14px;max-width:360px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col ul a{font-size:13.5px;color:#a9c2d0;transition:color var(--ease),padding-left var(--ease)}
.footer-col ul a:hover{color:#5fddea;padding-left:4px}
.footer-bar{border-top:0;padding:16px 0 20px}
.footer-bar-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:#7c94a4}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr) 286px;gap:24px}
 .article-panel{padding:26px 24px}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
 .grid-3,.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:24px}
}
@media (max-width:860px){
 .header-inner{flex-wrap:nowrap;align-items:center;gap:10px;padding:10px 0}
 .brand-meta{display:none}
 .nav-toggle{display:inline-flex;order:4;margin-left:6px}
 .header-cta{order:3;margin-left:auto}
 .header-cta .btn{padding:8px 13px;font-size:12.5px}
 .main-nav{
  display:none;order:6;flex:0 0 100%;flex-direction:column;align-items:stretch;gap:4px;
  margin-top:10px;padding:10px 0 4px;border-top:1px solid var(--line);
 }
 .main-nav.is-open{display:flex}
 .main-nav a{padding:11px 14px;border-radius:10px;text-align:left;font-size:14px}
 .is-compact .main-nav{order:6;flex:0 0 100%;margin-top:10px;padding:10px 0 4px;border-top:1px solid var(--line)}
 .article-layout{grid-template-columns:minmax(0,1fr)}
 .article-side{position:static}
 .checklist{grid-template-columns:repeat(2,minmax(0,1fr))}
 .cta-band{padding:32px 24px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:600px){
 .article-hero{padding:34px 0 40px}
 .pull-quote{padding:14px 16px 14px 18px;font-size:14px}
 .checklist{grid-template-columns:1fr}
 .section{padding:40px 0}
 .article-panel{padding:20px 18px}
 .article-body h2{font-size:19.5px;margin-top:28px}
 .article-body h3{font-size:17px}
 .grid-3,.related-grid,.steps{grid-template-columns:minmax(0,1fr)}
 .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .metrics{padding:26px 20px}
 .cta-actions .btn{width:100%}
 .related-item img{width:76px;height:58px;flex:0 0 76px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bar-inner{flex-direction:column;align-items:flex-start;gap:6px}
 .faq-item summary{font-size:14px;padding:14px 46px 14px 16px}
}

/* roulang page: category1 */
:root{
 --ink:#08131f;
 --ink-soft:#0f2133;
 --paper:#ffffff;
 --paper-2:#f2f6fa;
 --paper-3:#e8eff6;
 --line:#dde6ef;
 --line-strong:#c6d6e4;
 --text:#12212f;
 --muted:#5d7387;
 --brand:#0e8f9e;
 --brand-dark:#0a6f7c;
 --brand-soft:#e3f4f6;
 --accent:#f2a33c;
 --accent-dark:#d9861f;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 1px 2px rgba(11,32,50,.05),0 4px 14px rgba(11,32,50,.06);
 --shadow-2:0 12px 30px rgba(11,32,50,.12);
 --shadow-3:0 24px 60px rgba(11,32,50,.18);
 --container:1180px;
 --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.75;color:var(--text);
 background:var(--paper-2);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 20px;border-radius:10px;font-size:14.5px;font-weight:700;
 border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
 white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12a8b8);color:#fff;box-shadow:0 8px 20px rgba(14,143,158,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,143,158,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,143,158,.3)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ffbc66);color:#3f2708;box-shadow:0 8px 20px rgba(242,163,60,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,163,60,.4)}
.btn-ghost-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);color:#e8f5f8}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:12px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:8px}

/* ---------- 站点头部 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(255,255,255,.94);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-compact{background:rgba(255,255,255,.99);box-shadow:0 8px 24px rgba(11,32,50,.1)}
.header-inner{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
 padding:14px 0 0;transition:padding var(--ease);
}
.is-compact .header-inner{padding:9px 0}
.logo{
 order:1;display:inline-flex;align-items:center;gap:10px;
 font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
 transition:font-size var(--ease);
}
.is-compact .logo{font-size:17.5px}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;
 font-size:15px;font-weight:800;
 box-shadow:0 6px 16px rgba(14,143,158,.35);
 transition:width var(--ease),height var(--ease);
}
.is-compact .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
.brand-meta{order:2;flex:1 1 220px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.header-cta{order:3}
.header-cta .btn{padding:9px 18px;font-size:13.5px}
.nav-toggle{
 order:4;display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
 transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);box-shadow:0 4px 12px rgba(11,32,50,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.main-nav{
 order:5;flex:0 0 100%;display:flex;align-items:center;justify-content:center;gap:6px;
 margin-top:10px;padding:12px 0 13px;border-top:1px solid var(--line);
 transition:padding var(--ease),margin var(--ease),border-color var(--ease);
}
.main-nav a{
 padding:9px 17px;border-radius:999px;font-size:14.5px;font-weight:600;color:#3b5266;
 transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.main-nav a.active{background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(8,19,31,.22)}
.is-compact .brand-meta{display:none}
.is-compact .main-nav{order:2;flex:1 1 auto;margin-top:0;padding:0;border-top:0;justify-content:center}

/* ---------- Hero 券墙 ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:56px 0 66px;isolation:isolate}
.hero-bg{
 position:absolute;inset:0;z-index:-2;
 background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
 opacity:.42;
}
.hero::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(100deg,rgba(6,18,29,.96) 0%,rgba(6,18,29,.84) 48%,rgba(6,18,29,.46) 100%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
 font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#d9ecf2;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.22)}
.hero h1{
 margin:18px 0 16px;font-size:clamp(27px,4.2vw,42px);line-height:1.2;letter-spacing:-.025em;font-weight:800;
 text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:#54d6e2}
.hero-lede{max-width:600px;font-size:15.5px;line-height:1.85;color:#c9dde8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-pill{
 display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:#cfe7ee;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
}
.tag-pill::before{content:"";width:5px;height:5px;border-radius:50%;background:#54d6e2}

/* 券卡 */
.ticket-wall{display:grid;gap:16px}
.ticket{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 background:linear-gradient(155deg,#0f2133 0%,#123043 100%);
 border:1px solid rgba(84,214,226,.32);
 box-shadow:var(--shadow-3);
 color:#eaf7fa;
}
.ticket-main{padding:0}
.ticket-body{padding:26px 26px 22px}
.ticket-tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 font-size:11.5px;font-weight:700;letter-spacing:.08em;
 color:#0a2b33;background:linear-gradient(135deg,#6fe3ee,#25b7c7);
}
.ticket-title{margin:14px 0 10px;font-size:23px;font-weight:800;color:#fff;letter-spacing:-.02em}
.ticket-desc{font-size:13.8px;line-height:1.8;color:#a9c8d6}
.ticket-nums{display:flex;gap:26px;margin-top:18px}
.ticket-nums strong{display:block;font-size:26px;font-weight:800;color:#54d6e2;letter-spacing:-.02em;line-height:1.1}
.ticket-nums span{font-size:12px;color:#8fb0c1;letter-spacing:.02em}
.ticket-cut{position:relative;border-top:1px dashed rgba(255,255,255,.26);height:0}
.ticket-cut::before,.ticket-cut::after{
 content:"";position:absolute;top:-12px;width:24px;height:24px;border-radius:50%;
 background:var(--ink);border:1px solid rgba(84,214,226,.3);
}
.ticket-cut::before{left:-12px}
.ticket-cut::after{right:-12px}
.ticket-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 24px 20px;flex-wrap:wrap}
.ticket-code{font-size:12px;letter-spacing:.06em;color:#84a6b8}
.ticket-code b{color:#cfe7ee;font-weight:700;letter-spacing:.1em}
.ticket-sub-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ticket-sm{padding:16px 16px 18px}
.ticket-sm h3{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:6px}
.ticket-sm p{font-size:12.5px;line-height:1.7;color:#93b4c4}
.ticket-sm .mini-badge{
 display:inline-block;margin-top:12px;padding:3px 9px;border-radius:6px;
 font-size:11px;font-weight:700;letter-spacing:.06em;
 color:#ffdca8;background:rgba(242,163,60,.16);border:1px solid rgba(242,163,60,.34);
}

/* ---------- 通用板块 ---------- */
.section{padding:66px 0}
.section-alt{background:var(--paper)}
.section-deep{background:var(--ink);color:#e8f3f7}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
 letter-spacing:.12em;color:var(--brand-dark);text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.section-head h2{margin:12px 0 10px;font-size:clamp(21px,3vw,29px);font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.section-head p{font-size:14.8px;line-height:1.85;color:var(--muted)}
.section-deep .section-kicker{color:#7fe0ea}
.section-deep .section-head h2{color:#fff}
.section-deep .section-head p{color:#a7c3d2}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-card{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px 24px 22px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#b9dbe3}
.scene-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);margin-bottom:14px;
 border:1px solid #cdebef;
}
.scene-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:9px}
.scene-card p{font-size:14px;line-height:1.8;color:var(--muted)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
 display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
 font-size:11.8px;font-weight:600;color:var(--brand-dark);
 background:var(--brand-soft);border:1px solid #cbe9ee;
}

/* ---------- 打法步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 20px 22px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#bcdde5}
.step::before{
 counter-increment:step;content:"0" counter(step);
 display:block;font-size:30px;font-weight:800;line-height:1;
 letter-spacing:-.04em;
 background:linear-gradient(135deg,var(--brand),#48cddb);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 margin-bottom:14px;
}
.step h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:8px}
.step p{font-size:13.6px;line-height:1.78;color:var(--muted)}
.step-line{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),rgba(14,143,158,0));margin-top:16px}

/* ---------- 档位卡 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.tier-card{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#b9dbe3}
.tier-top{height:5px;background:linear-gradient(90deg,var(--brand),#4ed2df)}
.tier-card:nth-child(2) .tier-top{background:linear-gradient(90deg,#12a8b8,var(--accent))}
.tier-card:nth-child(3) .tier-top{background:linear-gradient(90deg,var(--accent),#ffc477)}
.tier-body{padding:24px 22px 24px}
.tier-name{display:flex;align-items:baseline;gap:9px;margin-bottom:6px}
.tier-name h3{font-size:18px;font-weight:800;color:var(--ink)}
.tier-name span{font-size:12px;font-weight:700;color:var(--brand-dark);letter-spacing:.06em}
.tier-cost{
 display:inline-block;margin:6px 0 16px;padding:5px 12px;border-radius:8px;
 font-size:12.5px;font-weight:700;color:#8a5a12;background:#fff4e2;border:1px solid #f6dcb3;
}
.tier-list li{
 position:relative;padding-left:18px;font-size:13.8px;line-height:1.8;color:var(--muted);margin-bottom:8px;
}
.tier-list li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
 background:var(--brand);opacity:.85;
}
.tier-list li b{color:var(--text);font-weight:700}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat{
 padding:24px 20px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.stat:hover{background:rgba(255,255,255,.1);border-color:rgba(84,214,226,.4);transform:translateY(-3px)}
.stat strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.03em;color:#54d6e2;line-height:1.15}
.stat span{display:block;margin-top:8px;font-size:13px;color:#a7c3d2;letter-spacing:.02em}

/* ---------- 误区对照 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--radius-lg);padding:26px 24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1)}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;margin-bottom:16px}
.compare-col h3 i{
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-style:normal;
 font-size:13px;font-weight:800;color:#fff;
}
.compare-bad{background:#fdf7f4;border-color:#f3ddd2}
.compare-bad h3{color:#9a4a22}
.compare-bad h3 i{background:#cf7a4d}
.compare-good{background:#f2fbfb;border-color:#c9e9ec}
.compare-good h3{color:var(--brand-dark)}
.compare-good h3 i{background:var(--brand)}
.compare-col li{
 position:relative;padding-left:20px;font-size:14px;line-height:1.8;color:#43596b;margin-bottom:11px;
}
.compare-col li::before{position:absolute;left:0;top:0;font-weight:800;font-size:13px}
.compare-bad li::before{content:"×";color:#cf7a4d}
.compare-good li::before{content:"✓";color:var(--brand)}
.compare-col li b{color:var(--text);font-weight:700}

/* ---------- 清单 + 图 ---------- */
.check-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center}
.checklist{counter-reset:ck}
.checklist li{
 position:relative;padding:14px 16px 14px 48px;margin-bottom:12px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 font-size:14.2px;line-height:1.78;color:#3f5567;
 box-shadow:var(--shadow-1);transition:border-color var(--ease),transform var(--ease);
}
.checklist li:hover{border-color:#b9dbe3;transform:translateX(3px)}
.checklist li::before{
 counter-increment:ck;content:counter(ck);
 position:absolute;left:14px;top:14px;width:24px;height:24px;border-radius:8px;
 display:grid;place-items:center;font-size:12.5px;font-weight:800;
 color:#fff;background:linear-gradient(140deg,var(--brand),#3fc6d4);
}
.checklist li b{color:var(--ink);font-weight:700}
.figure-wrap{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--line)}
.figure-wrap img{width:100%;aspect-ratio:4/3;object-fit:cover}
.figure-cap{
 position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
 background:linear-gradient(180deg,rgba(6,18,29,0),rgba(6,18,29,.86));
 color:#dcecf3;font-size:13px;letter-spacing:.02em;
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
 display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#b9dbe3}
.news-card h3{font-size:15.5px;font-weight:800;line-height:1.55;color:var(--ink);margin-bottom:10px}
.news-card h3 a{transition:color var(--ease)}
.news-card h3 a:hover{color:var(--brand-dark)}
.news-card p{font-size:13.6px;line-height:1.78;color:var(--muted);flex:1 1 auto}
.news-meta{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
 font-size:12px;color:#7d93a5;letter-spacing:.02em;
}
.news-meta span{color:var(--brand-dark);font-weight:700}
.news-empty{
 padding:26px;border-radius:var(--radius);background:#fff;border:1px dashed var(--line-strong);
 color:var(--muted);font-size:14px;text-align:center;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:#b9dbe3;box-shadow:var(--shadow-2)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 22px;
 font-size:15.2px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";width:10px;height:10px;flex:0 0 auto;
 border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
 transform:rotate(45deg);transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ---------- CTA / 表单 ---------- */
.join-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#0b1b2a 0%,#103044 60%,#12485a 100%);
 color:#eaf7fa;padding:44px 42px;box-shadow:var(--shadow-3);
}
.join-band::before{
 content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(84,214,226,.28),rgba(84,214,226,0) 70%);
}
.join-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:38px;align-items:center}
.join-band h2{font-size:clamp(21px,3vw,28px);font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:-.02em}
.join-band p{font-size:14.4px;line-height:1.85;color:#a9c8d6;max-width:520px}
.join-form{display:grid;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:20px}
.field{display:grid;gap:6px}
.field label{font-size:12.5px;font-weight:600;color:#bcd8e4;letter-spacing:.03em}
.field select,.field input{
 width:100%;padding:11px 13px;border-radius:9px;font-size:14px;color:#0d2233;
 background:#f7fbfd;border:1px solid rgba(255,255,255,.32);
 transition:border-color var(--ease),box-shadow var(--ease);
}
.field select:focus,.field input:focus{outline:0;border-color:#54d6e2;box-shadow:0 0 0 3px rgba(84,214,226,.22)}
.form-tip{font-size:12.5px;color:#8fb0c1;min-height:18px;line-height:1.6}

/* ---------- 页脚 ---------- */
.site-footer{background:#07121c;color:#b6c9d6;margin-top:0;padding-top:52px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .logo{color:#fff;font-size:18px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#8ba5b5;max-width:420px}
.footer-col h4{font-size:13.5px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:13.5px;color:#96afbf;transition:color var(--ease),padding-left var(--ease)}
.footer-col ul a:hover{color:#54d6e2;padding-left:4px}
.footer-bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bar-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:#7f97a6;letter-spacing:.02em}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .tier-grid{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .check-layout{grid-template-columns:1fr;gap:28px}
 .join-grid{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
 .header-inner{padding:12px 0}
 .logo{flex:1 1 auto}
 .brand-meta{display:none}
 .nav-toggle{display:inline-flex;order:3}
 .header-cta{order:2}
 .header-cta .btn{padding:8px 14px;font-size:13px}
 .main-nav{
  display:none;flex-direction:column;align-items:stretch;gap:4px;
  order:5;flex:0 0 100%;margin-top:10px;padding:10px 0 6px;border-top:1px solid var(--line);
 }
 .main-nav.is-open{display:flex}
 .main-nav a{text-align:center;padding:11px 16px}
 .is-compact .main-nav{order:5;flex:0 0 100%;margin-top:10px;padding:10px 0 6px;border-top:1px solid var(--line);justify-content:flex-start}
 .is-compact .main-nav a{text-align:center}
 .section{padding:50px 0}
 .compare{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:1fr}
 .ticket-sub-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero{padding:42px 0 48px}
 .hero h1{font-size:26px}
 .hero-lede{font-size:14.5px}
 .hero-actions .btn{flex:1 1 100%}
 .ticket-nums{gap:18px}
 .ticket-nums strong{font-size:22px}
 .stat-strip{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .join-band{padding:28px 20px}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .compare-col{padding:20px 18px}
 .section-head h2{font-size:20px}
}

/* roulang page: category2 */
:root{
 --ink:#08131f;
 --ink-soft:#0f2133;
 --paper:#ffffff;
 --paper-2:#f2f6fa;
 --paper-3:#e8eff6;
 --line:#dde6ef;
 --line-strong:#c6d6e4;
 --text:#12212f;
 --muted:#5d7387;
 --brand:#0e8f9e;
 --brand-dark:#0a6f7c;
 --brand-soft:#e3f4f6;
 --accent:#f2a33c;
 --accent-dark:#d9861f;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 1px 2px rgba(11,32,50,.05),0 4px 14px rgba(11,32,50,.06);
 --shadow-2:0 12px 30px rgba(11,32,50,.12);
 --shadow-3:0 24px 60px rgba(11,32,50,.18);
 --container:1180px;
 --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;color:var(--text);
 background:var(--paper-2);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 20px;border-radius:10px;font-size:14.5px;font-weight:700;
 border:1px solid transparent;white-space:nowrap;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12a8b8);color:#fff;box-shadow:0 8px 20px rgba(14,143,158,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,143,158,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,143,158,.3)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.34);color:#eaf5f8}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ffbc66);color:#3f2708;box-shadow:0 8px 20px rgba(242,163,60,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,163,60,.4)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:12px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:8px}

/* ---------- 站点头部 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(255,255,255,.94);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-compact{background:rgba(255,255,255,.99);box-shadow:0 8px 24px rgba(11,32,50,.1)}
.header-inner{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
 padding:14px 0 0;transition:padding var(--ease);
}
.is-compact .header-inner{padding:9px 0}
.logo{
 order:1;display:inline-flex;align-items:center;gap:10px;
 font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
 transition:font-size var(--ease);
}
.is-compact .logo{font-size:17.5px}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;
 font-size:15px;font-weight:800;
 box-shadow:0 6px 16px rgba(14,143,158,.35);
 transition:width var(--ease),height var(--ease),border-radius var(--ease);
}
.is-compact .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
.brand-meta{order:2;flex:1 1 220px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.header-cta{order:3}
.header-cta .btn{padding:9px 18px;font-size:13.5px}
.nav-toggle{
 order:4;display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
 transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);box-shadow:0 4px 12px rgba(11,32,50,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.main-nav{
 order:5;flex:0 0 100%;display:flex;align-items:center;justify-content:center;gap:6px;
 margin-top:10px;padding:12px 0 13px;border-top:1px solid var(--line);
 transition:padding var(--ease),margin var(--ease),border-color var(--ease);
}
.main-nav a{
 padding:9px 17px;border-radius:999px;font-size:14.5px;font-weight:600;color:#3b5266;
 transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.main-nav a.active{background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(8,19,31,.22)}
.is-compact .brand-meta{display:none}
.is-compact .main-nav{order:2;flex:1 1 auto;margin-top:0;padding:0;border-top:0;justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:58px 0 66px;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;z-index:-2}
.hero::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(100deg,rgba(6,18,29,.96) 0%,rgba(6,18,29,.82) 46%,rgba(6,18,29,.5) 100%);
}
.hero-inner{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
 font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#d9ecf2;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.22)}
.hero h1{
 margin:18px 0 16px;font-size:clamp(27px,3.8vw,40px);line-height:1.24;letter-spacing:-.022em;font-weight:800;
 text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:#54d6e2}
.hero-lede{max-width:560px;font-size:15px;line-height:1.85;color:#c9dde8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-kpis{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.kpi{
 flex:1 1 130px;padding:14px 16px;border-radius:var(--radius);
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.kpi:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);transform:translateY(-3px)}
.kpi b{display:block;font-size:22px;line-height:1.2;color:#fff;letter-spacing:-.02em}
.kpi span{display:block;margin-top:4px;font-size:12.5px;color:#a9c5d4}
.hero-visual{position:relative;transform:translateY(-8px) rotate(-2deg)}
.hero-visual::before{
 content:"";position:absolute;inset:26px -20px -24px 20px;border-radius:var(--radius-lg);
 background:linear-gradient(150deg,rgba(14,143,158,.6),rgba(242,163,60,.28));
 transform:rotate(3.4deg);z-index:-1;
}
.hero-visual img{
 width:100%;aspect-ratio:16/11;object-fit:cover;
 border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.2);box-shadow:var(--shadow-3);
}
.float-card{
 position:absolute;left:-18px;bottom:-24px;max-width:250px;padding:13px 16px;border-radius:var(--radius);
 background:rgba(255,255,255,.97);color:var(--text);box-shadow:var(--shadow-2);border:1px solid var(--line);
 transform:rotate(2deg);
}
.float-card b{display:block;font-size:12.5px;color:var(--brand-dark);letter-spacing:.04em}
.float-card span{display:block;margin-top:4px;font-size:13px;line-height:1.6;color:#41566a}

/* ---------- 板块通用 ---------- */
.section{padding:74px 0}
.section-white{background:var(--paper)}
.section-soft{background:var(--paper-2)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .tag{
 display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.section-head .tag::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--brand)}
.section-head h2{
 margin:14px 0 12px;font-size:clamp(22px,2.6vw,30px);line-height:1.32;letter-spacing:-.02em;color:var(--ink);font-weight:800;
}
.section-head p{font-size:15px;color:var(--muted);line-height:1.85}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .tag::before{display:none}

/* ---------- 档位卡 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.tier-card{
 position:relative;padding:28px 24px 26px;border-radius:var(--radius-lg);background:#fff;
 border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.tier-card .tier-no{
 display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:15px;
}
.tier-card h3{margin:16px 0 8px;font-size:18px;color:var(--ink);letter-spacing:-.01em}
.tier-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.tier-card ul{margin-top:14px;display:grid;gap:8px}
.tier-card li{position:relative;padding-left:18px;font-size:14px;color:#3d5367;line-height:1.7}
.tier-card li::before{
 content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
 background:var(--brand);opacity:.7;
}
.tier-card.is-accent{background:linear-gradient(180deg,#fff,#fbfdff);border-color:#bfe3e8}
.tier-card.is-accent .tier-no{background:var(--accent);color:#3f2708}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.scene-card{
 background:#fff;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
 box-shadow:var(--shadow-1);display:flex;flex-direction:column;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-card .scene-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.scene-card h3{font-size:16px;color:var(--ink);letter-spacing:-.01em}
.scene-card p{font-size:13.8px;color:var(--muted);line-height:1.78;flex:1}
.chip{
 align-self:flex-start;display:inline-block;padding:4px 10px;border-radius:999px;
 background:var(--paper-3);color:#3d5367;font-size:12px;font-weight:600;
}

/* ---------- 步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step-card{
 position:relative;padding:26px 22px 24px;border-radius:var(--radius);background:#fff;
 border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.step-card::before{
 counter-increment:step;content:"0" counter(step);
 display:block;font-size:24px;font-weight:800;letter-spacing:-.03em;color:var(--brand);opacity:.85;
}
.step-card h3{margin:10px 0 8px;font-size:16.5px;color:var(--ink)}
.step-card p{font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- 要点清单 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:start}
.split h2{font-size:clamp(22px,2.5vw,28px);line-height:1.34;letter-spacing:-.02em;color:var(--ink);margin-bottom:14px}
.split .lead{font-size:15px;color:var(--muted);line-height:1.85}
.check-list{display:grid;gap:14px}
.check-list li{
 display:flex;gap:14px;padding:16px 18px;border-radius:var(--radius);
 background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.check-list .dot{
 flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:800;
}
.check-list b{display:block;font-size:14.8px;color:var(--ink);margin-bottom:3px}
.check-list span.txt{font-size:13.8px;color:var(--muted);line-height:1.75}

/* ---------- 误区对比 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
 border-radius:var(--radius-lg);padding:26px 24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);
}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:17px;color:var(--ink);margin-bottom:16px}
.compare-col h3 i{
 width:10px;height:10px;border-radius:3px;display:inline-block;font-style:normal;
}
.compare-col.bad h3 i{background:#e0664f}
.compare-col.good h3 i{background:var(--brand)}
.compare-col ul{display:grid;gap:12px}
.compare-col li{
 position:relative;padding-left:18px;font-size:14.2px;line-height:1.8;color:#41566a;
}
.compare-col li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--line-strong)}
.compare-col.bad li::before{background:#f0b1a3}
.compare-col.good li::before{background:#8fd3db}

/* ---------- 实测笔记列表 ---------- */
.notes-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.note-card{
 display:flex;flex-direction:column;gap:12px;padding:22px 22px 20px;border-radius:var(--radius);
 background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.note-card h3{font-size:16px;line-height:1.55;color:var(--ink);letter-spacing:-.01em}
.note-card h3 a:hover{color:var(--brand-dark)}
.note-card p{font-size:13.8px;color:var(--muted);line-height:1.78;flex:1}
.note-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:#7b8fa2}
.note-meta .chip{background:var(--brand-soft);color:var(--brand-dark)}
.empty-tip{
 padding:34px 26px;border-radius:var(--radius);border:1px dashed var(--line-strong);
 background:#fff;color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;
 transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;font-weight:700;font-size:15.5px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:400;color:var(--brand);line-height:1;transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14.3px;color:var(--muted);line-height:1.85}

/* ---------- 收口 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:72px 0;isolation:isolate}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35;z-index:-2}
.cta-band::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(105deg,rgba(6,18,29,.96),rgba(8,32,44,.82) 60%,rgba(10,60,70,.66));
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;letter-spacing:-.02em;margin-bottom:14px}
.cta-inner p{font-size:15px;color:#c2d8e3;line-height:1.85;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-panel{
 padding:26px 24px;border-radius:var(--radius-lg);
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
}
.cta-panel h3{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.cta-panel ul{display:grid;gap:11px}
.cta-panel li{display:flex;gap:10px;font-size:13.8px;color:#c2d8e3;line-height:1.75}
.cta-panel li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:.62em;border-radius:50%;background:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:#08131f;color:#a9c0cf;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;padding-bottom:44px}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:#a9c0cf;transition:color var(--ease)}
.footer-col a:hover{color:#7fe0ea}
.footer-brand .logo{color:#fff;font-size:17.5px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#8ea7b8;max-width:360px}
.footer-bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bar-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#7b93a5}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:38px}
 .hero-visual{transform:none;max-width:620px}
 .hero-visual::before{inset:20px -14px -18px 14px}
 .float-card{left:auto;right:12px;bottom:-18px;transform:none}
 .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .notes-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:1fr;gap:32px}
 .cta-inner{grid-template-columns:1fr;gap:32px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .main-nav{
  display:none;flex-direction:column;align-items:stretch;gap:4px;
  margin-top:12px;padding:12px 0 4px;border-top:1px solid var(--line);
 }
 .main-nav.is-open{display:flex}
 .main-nav a{padding:12px 14px;border-radius:10px;font-size:15px}
 .is-compact .main-nav{order:5;flex:0 0 100%;margin-top:12px;padding:12px 0 4px;border-top:1px solid var(--line);justify-content:flex-start}
 .header-inner{flex-wrap:wrap}
 .brand-meta{order:2;flex:1 1 100%;display:none}
 .header-cta{order:3;margin-left:auto}
 .nav-toggle{order:4;margin-left:10px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .hero{padding:44px 0 54px}
 .tier-grid,.scene-grid,.step-grid,.notes-grid,.compare-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:30px}
 .hero-kpis{gap:10px}
 .kpi{flex:1 1 100%}
 .float-card{position:static;max-width:none;margin-top:16px;transform:none}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .logo{font-size:16.5px}
 .logo-mark{width:30px;height:30px;font-size:13.5px}
 .header-cta .btn{padding:8px 14px;font-size:13px}
 .hero h1{font-size:24px}
 .hero-lede{font-size:14.3px}
 .hero-actions .btn{width:100%}
 .section-head h2{font-size:21px}
 .cta-actions .btn{width:100%}
 .faq-item summary{padding:15px 16px;font-size:14.5px}
 .faq-body{padding:0 16px 17px}
}

/* roulang page: category3 */
:root{
 --ink:#08131f;
 --ink-soft:#0f2133;
 --paper:#ffffff;
 --paper-2:#f2f6fa;
 --paper-3:#e8eff6;
 --line:#dde6ef;
 --line-strong:#c6d6e4;
 --text:#12212f;
 --muted:#5d7387;
 --brand:#0e8f9e;
 --brand-dark:#0a6f7c;
 --brand-soft:#e3f4f6;
 --accent:#f2a33c;
 --accent-dark:#d9861f;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-1:0 1px 2px rgba(11,32,50,.05),0 4px 14px rgba(11,32,50,.06);
 --shadow-2:0 12px 30px rgba(11,32,50,.12);
 --shadow-3:0 24px 60px rgba(11,32,50,.18);
 --container:1180px;
 --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.75;color:var(--text);
 background:var(--paper-2);
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:3px solid rgba(14,143,158,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 20px;border-radius:10px;font-size:14.5px;font-weight:700;
 border:1px solid transparent;white-space:nowrap;
 transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12a8b8);color:#fff;box-shadow:0 8px 20px rgba(14,143,158,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,143,158,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(14,143,158,.3)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ffbc66);color:#3f2708;box-shadow:0 8px 20px rgba(242,163,60,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,163,60,.4)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:12px}
/* ---------- 头部 ---------- */
.site-header{
 position:sticky;top:0;z-index:90;
 background:rgba(255,255,255,.94);
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-compact{background:rgba(255,255,255,.99);box-shadow:0 8px 24px rgba(11,32,50,.1)}
.header-inner{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
 padding:14px 0 0;transition:padding var(--ease);
}
.is-compact .header-inner{padding:9px 0}
.logo{
 order:1;display:inline-flex;align-items:center;gap:10px;
 font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);
 transition:font-size var(--ease);
}
.is-compact .logo{font-size:17.5px}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),#13b3c3);color:#fff;
 font-size:15px;font-weight:800;
 box-shadow:0 6px 16px rgba(14,143,158,.35);
 transition:width var(--ease),height var(--ease);
}
.is-compact .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
.brand-meta{order:2;flex:1 1 220px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.header-cta{order:3}
.header-cta .btn{padding:9px 18px;font-size:13.5px}
.nav-toggle{
 order:4;display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
 transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);box-shadow:0 4px 12px rgba(11,32,50,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.main-nav{
 order:5;flex:0 0 100%;display:flex;align-items:center;justify-content:center;gap:6px;
 margin-top:10px;padding:12px 0 13px;border-top:1px solid var(--line);
 transition:padding var(--ease),margin var(--ease),border-color var(--ease);
}
.main-nav a{
 padding:9px 17px;border-radius:999px;font-size:14.5px;font-weight:600;color:#3b5266;
 transition:background var(--ease),color var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.main-nav a.active{background:var(--ink);color:#fff;box-shadow:0 6px 16px rgba(8,19,31,.22)}
.is-compact .brand-meta{display:none}
.is-compact .main-nav{order:2;flex:1 1 auto;margin-top:0;padding:0;border-top:0;justify-content:center}
/* ---------- Hero Bento ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:46px 0 54px;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;z-index:-2}
.hero::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(105deg,rgba(6,18,29,.96) 0%,rgba(6,18,29,.82) 46%,rgba(6,18,29,.46) 100%);
}
.hero-grid{
 display:grid;
 grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);
 grid-template-areas:"main side1" "main side2" "cta cta";
 gap:16px;
}
.bento-main{
 grid-area:main;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.15);
 border-radius:var(--radius-lg);
 padding:30px 30px 34px;
 -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
 font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#d9ecf2;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(242,163,60,.22)}
.hero h1{
 margin:18px 0 16px;font-size:clamp(27px,4vw,41px);line-height:1.2;letter-spacing:-.028em;font-weight:800;
 text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero-lede{max-width:640px;font-size:15.5px;line-height:1.85;color:#c9dde8}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.hero-tags li{
 padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;color:#bfe6ec;
 background:rgba(14,143,158,.22);border:1px solid rgba(84,214,226,.35);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}
.bento-side{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);
 padding:20px 22px;
 display:flex;flex-direction:column;gap:8px;
 transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.bento-side:hover{background:rgba(255,255,255,.11);border-color:rgba(84,214,226,.4);transform:translateY(-3px)}
.bento-side:nth-of-type(1){grid-area:side1}
.bento-side:nth-of-type(2){grid-area:side2}
.side-label{font-size:12px;font-weight:700;letter-spacing:.1em;color:#7fd0da;text-transform:uppercase}
.side-title{font-size:17px;line-height:1.4;color:#fff}
.bento-side p{font-size:13.5px;line-height:1.7;color:#a9c6d4}
.stat-num{font-size:30px;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:13px;font-weight:600;color:#8fb8c7;margin-left:6px;letter-spacing:0}
.bento-cta{
 grid-area:cta;
 display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
 background:linear-gradient(115deg,rgba(14,143,158,.92),rgba(10,111,124,.78));
 border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius-lg);
 padding:16px 24px;
}
.bento-cta p{font-size:14.5px;font-weight:600;color:#eaf8fa}
/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
.section--paper{background:var(--paper)}
.section--alt{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;flex-wrap:wrap;margin-bottom:32px}
.section-title{
 font-size:clamp(21px,2.6vw,28px);display:flex;align-items:flex-start;gap:12px;line-height:1.35;
}
.section-title::before{
 content:"";flex:0 0 auto;width:5px;height:26px;margin-top:3px;border-radius:3px;
 background:linear-gradient(180deg,var(--brand),var(--accent));
}
.section-sub{color:var(--muted);font-size:14.5px;max-width:660px;margin-top:10px;line-height:1.8}
.section-sub--tight{padding-left:17px}
/* ---------- 阶段时间线 ---------- */
.phase-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:phase}
.phase-card{
 position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px 24px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.phase-card::after{
 content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;
 background:linear-gradient(180deg,var(--brand),rgba(14,143,158,0));
}
.phase-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.phase-idx{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--brand);display:block}
.phase-card h3{font-size:16.5px;margin:8px 0 6px}
.phase-day{
 display:inline-block;font-size:12px;font-weight:700;color:var(--accent-dark);
 background:rgba(242,163,60,.13);border-radius:999px;padding:3px 10px;margin-bottom:10px;
}
.phase-card p{font-size:14px;color:var(--muted);line-height:1.8}
/* ---------- 活动类型卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{
 background:var(--paper);border:1px solid var(--line);border-radius:14px;
 padding:24px 22px;box-shadow:var(--shadow-1);
 display:flex;flex-direction:column;align-items:flex-start;gap:12px;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.card-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid rgba(14,143,158,.18);
}
.card-icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card-title{font-size:16.5px}
.card-text{font-size:14px;color:var(--muted);line-height:1.8}
.badge{
 display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
 color:var(--brand-dark);background:var(--brand-soft);border:1px solid rgba(14,143,158,.2);
}
.badge--warm{color:var(--accent-dark);background:rgba(242,163,60,.14);border-color:rgba(242,163,60,.28)}
/* ---------- 图文拆解 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:40px;align-items:center}
.split-media{
 border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-2);background:#0b1a26;
}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media figcaption{
 padding:12px 16px;font-size:12.5px;color:#a9c6d4;background:var(--ink-soft);line-height:1.6;
}
.split-body p{font-size:15px;color:#33485a;line-height:1.85;margin-top:16px}
.check-list{margin-top:20px;display:grid;gap:10px}
.check-list li{
 position:relative;padding-left:28px;font-size:14.5px;color:var(--text);line-height:1.7;
}
.check-list li::before{
 content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
 background:var(--brand-soft);border:1px solid rgba(14,143,158,.35);
}
.check-list li::after{
 content:"";position:absolute;left:5px;top:10px;width:6px;height:3px;
 border-left:2px solid var(--brand-dark);border-bottom:2px solid var(--brand-dark);transform:rotate(-45deg);
}
/* ---------- 步骤 ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step-item{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.step-num{
 display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:var(--ink);color:#fff;font-size:14px;font-weight:800;margin-bottom:14px;
}
.step-item h3{font-size:15.5px;margin-bottom:8px}
.step-item p{font-size:13.8px;color:var(--muted);line-height:1.8}
/* ---------- 奖励档位 ---------- */
.tier-list{display:grid;gap:14px}
.tier-row{
 display:grid;grid-template-columns:150px minmax(0,1fr) auto;gap:20px;align-items:center;
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;box-shadow:var(--shadow-1);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tier-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.tier-name{font-size:16px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}
.tier-name::before{
 content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(14,143,158,.15);
}
.tier-desc p{font-size:14px;color:var(--muted);line-height:1.8}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.news-card{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-1);overflow:hidden;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.news-link{display:block;padding:20px 22px 18px;height:100%}
.news-cat{
 display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700;
 color:var(--brand-dark);background:var(--brand-soft);border:1px solid rgba(14,143,158,.2);
}
.news-link h3{font-size:16.5px;line-height:1.48;margin:12px 0 8px;transition:color var(--ease)}
.news-card:hover .news-link h3{color:var(--brand-dark)}
.news-link p{
 font-size:14px;color:var(--muted);line-height:1.75;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 margin-top:16px;padding-top:12px;border-top:1px dashed var(--line);
 font-size:12.5px;color:var(--muted);
}
.news-meta span:last-child{color:var(--brand-dark);font-weight:700}
.news-empty{
 grid-column:1/-1;text-align:center;padding:40px 20px;background:var(--paper);
 border:1px dashed var(--line-strong);border-radius:var(--radius);
 font-size:14px;color:var(--muted);
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
 background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
 padding:2px 22px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 0;font-weight:700;font-size:15.5px;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";flex:0 0 auto;width:9px;height:9px;margin-right:4px;
 border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
 transform:rotate(45deg);transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.85}
/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;isolation:isolate;
 background:var(--ink);color:#fff;padding:56px 0;
}
.cta-band .band-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;z-index:-2}
.cta-band::after{
 content:"";position:absolute;inset:0;z-index:-1;
 background:linear-gradient(110deg,rgba(6,18,29,.95),rgba(6,18,29,.62));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(21px,2.7vw,28px);line-height:1.35}
.cta-inner p{margin-top:12px;font-size:14.5px;line-height:1.85;color:#c9dde8;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#c9dde8;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:#9bb2c2;max-width:380px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:#a9c1d0;transition:color var(--ease)}
.footer-col a:hover{color:#54d6e2}
.site-footer .logo{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bar-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#8fa7b8}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
 .phase-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:minmax(0,1fr);gap:28px}
 .tier-row{grid-template-columns:130px minmax(0,1fr);gap:14px}
 .tier-row .badge{grid-column:2;justify-self:start}
}
@media (max-width:900px){
 .brand-meta{display:none}
 .header-inner{flex-wrap:nowrap;gap:12px;padding:12px 0}
 .is-compact .header-inner{padding:10px 0}
 .logo{flex:1 1 auto;font-size:17px;min-width:0}
 .logo span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .header-cta .btn{padding:8px 14px;font-size:13px}
 .nav-toggle{display:inline-flex}
 .main-nav{
  display:none;position:absolute;left:0;right:0;top:100%;
  flex-direction:column;align-items:stretch;gap:4px;
  margin:0;padding:12px 20px 16px;border-top:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-2);
 }
 .main-nav.is-open{display:flex}
 .main-nav a{padding:12px 14px;border-radius:10px;font-size:14.5px}
 .is-compact .main-nav{order:5;flex:0 0 auto}
 .section{padding:52px 0}
}
@media (max-width:768px){
 .hero{padding:34px 0 42px}
 .hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"main" "side1" "side2" "cta"}
 .bento-main{padding:24px 20px 26px}
 .hero-actions .btn{flex:1 1 100%}
 .bento-cta{flex-direction:column;align-items:flex-start;padding:18px 20px}
 .bento-cta .btn{width:100%}
 .section-head{margin-bottom:24px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1/-1}
 .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .phase-grid,.step-list{grid-template-columns:minmax(0,1fr)}
 .card-grid{grid-template-columns:minmax(0,1fr)}
 .tier-row{grid-template-columns:minmax(0,1fr);gap:10px;padding:18px 20px}
 .tier-row .badge{grid-column:1}
 .footer-grid{grid-template-columns:minmax(0,1fr)}
 .footer-bar-inner{flex-direction:column;gap:6px}
 .section{padding:44px 0}
 .hero h1{font-size:26px}
}