/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#252c55;
  --ink-deep:#11142c;
  --gold:#ffb400;
  --gold-lt:#ffd166;
  --gold-dk:#c58a00;
  --cyan:#49d7e8;
  --bg:#f3f4fa;
  --card:#ffffff;
  --text:#1c2039;
  --muted:#68708f;
  --line:#e4e7f2;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 16px 40px rgba(26,31,61,.12);
  --shadow-gold:0 10px 26px rgba(255,180,0,.32);
  --nav-w:254px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(255,180,0,.32);}

/* ===== 布局骨架 ===== */
.app-shell{min-height:100vh;}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1050;
  padding:24px 16px 22px;display:flex;flex-direction:column;overflow-y:auto;
  background:linear-gradient(180deg,#1c2246 0%,#1a1f3d 46%,#111530 100%);
  color:#c3cae4;border-right:1px solid rgba(255,255,255,.07);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 22px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;
  font-weight:900;font-size:1.12rem;color:#1a1f3d;
  background:linear-gradient(140deg,#ffd166,#ffb400 60%,#e59f00);
  box-shadow:0 8px 20px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:1rem;color:#fff;line-height:1.3;}
.brand-text small{font-size:.7rem;font-weight:600;color:#8f98bd;letter-spacing:.16em;margin-top:3px;}
.nav-group-title{font-size:.7rem;letter-spacing:.2em;color:#767f9f;margin:14px 12px 10px;font-weight:700;}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 14px;margin-bottom:4px;border-radius:11px;
  color:#a9b1d1;font-size:.93rem;font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.side-link .dot{width:6px;height:6px;border-radius:50%;background:#4a5478;transition:.22s var(--ease);flex:0 0 6px;}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.side-link:hover .dot{background:var(--cyan);}
.side-link.active{
  background:linear-gradient(100deg,rgba(255,180,0,.20),rgba(255,180,0,.05));
  color:var(--gold-lt);box-shadow:inset 0 0 0 1px rgba(255,180,0,.34);
}
.side-link.active .dot{background:var(--gold);box-shadow:0 0 8px var(--gold);}
.side-foot{margin-top:auto;padding-top:24px;}
.side-note{font-size:.74rem;color:#767f9f;line-height:1.7;margin-bottom:14px;padding:0 4px;}
.side-cta{
  display:block;text-align:center;padding:12px 14px;border-radius:11px;
  background:linear-gradient(135deg,#ffd166,#ffb400 62%,#f0a500);
  color:#1a1f3d;font-weight:800;font-size:.88rem;box-shadow:var(--shadow-gold);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.44);}
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1020;align-items:center;gap:12px;
  padding:11px 18px;background:rgba(23,28,56,.97);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.mobile-bar .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:.92rem;border-radius:10px;}
.bar-title{font-weight:800;font-size:.95rem;letter-spacing:.01em;}
.menu-btn{
  margin-left:auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
  transition:background .22s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.14);}
.nav-scrim{
  position:fixed;inset:0;z-index:1040;background:rgba(10,13,32,.58);
  backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.28s var(--ease);
}
.nav-scrim.is-open{opacity:1;visibility:visible;}
.shell-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 30px;}

/* ===== 按钮与标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-weight:800;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{background:linear-gradient(135deg,#ffd166,#ffb400 58%,#efa200);color:#1a1f3d;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);color:#12162d;}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#e8ecf8;border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--gold);background:rgba(255,180,0,.10);transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  background:rgba(255,180,0,.16);color:#9a6b00;font-size:.73rem;font-weight:800;letter-spacing:.04em;
}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:72px 0 78px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;transform:scale(1.05);}
.hero-veil{
  position:absolute;inset:0;
  background:radial-gradient(900px 460px at 10% 6%,rgba(255,180,0,.22),transparent 62%),
             linear-gradient(112deg,rgba(17,20,44,.97) 6%,rgba(26,31,61,.88) 48%,rgba(26,31,61,.58) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,.68fr);gap:52px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-lt);font-size:.79rem;font-weight:700;letter-spacing:.07em;
}
.hero h1{font-size:clamp(1.85rem,3.2vw,2.78rem);margin:20px 0 20px;color:#fff;text-shadow:0 6px 28px rgba(0,0,0,.35);}
.hero-lead{font-size:1rem;color:#c3cae4;max-width:660px;line-height:1.95;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;}
.hero-play{
  position:relative;display:grid;place-items:center;width:104px;height:104px;border-radius:50%;
  background:linear-gradient(140deg,rgba(255,209,102,.98),rgba(255,180,0,.96));color:#1a1f3d;
  box-shadow:0 18px 46px rgba(255,180,0,.42);transition:transform .28s var(--ease);
}
.hero-play::before{
  content:"";position:absolute;inset:-16px;border-radius:50%;
  border:1px solid rgba(255,180,0,.45);animation:heroPulse 2.8s ease-out infinite;
}
@keyframes heroPulse{0%{transform:scale(.86);opacity:.9}70%{transform:scale(1.14);opacity:0}100%{opacity:0}}
.hero-play:hover{transform:scale(1.06);}
.hero-play svg{width:32px;height:32px;margin-left:5px;}
.hero-play-label{display:block;margin-top:22px;font-size:.8rem;color:#98a1c5;letter-spacing:.12em;text-align:center;}

/* ===== 数据条 ===== */
.stat-band{background:linear-gradient(135deg,#1a1f3d,#252c55 58%,#1a1f3d);color:#fff;padding:50px 0 54px;}
.stat-head{max-width:720px;margin-bottom:30px;}
.stat-head h2{font-size:clamp(1.3rem,2vw,1.7rem);color:#fff;}
.stat-head p{margin-top:12px;color:#a8b0cf;font-size:.93rem;line-height:1.9;}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat{
  text-align:center;padding:20px 12px;border-radius:14px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.stat:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.45);}
.stat strong{
  display:block;font-size:1.9rem;font-weight:900;letter-spacing:.01em;
  background:linear-gradient(120deg,#ffd166,#ffb400);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:7px;font-size:.83rem;color:#a8b0cf;}

/* ===== 通用 section ===== */
.section{padding:74px 0;}
.section.alt{background:#fff;}
.section.tint{background:linear-gradient(180deg,#eceff9,#f7f8fd);}
.section.dark{background:linear-gradient(150deg,#171c38,#1a1f3d 56%,#131730);color:#cdd4ea;}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(1.38rem,2.2vw,1.92rem);color:var(--ink);}
.sec-head p{margin-top:14px;color:var(--muted);font-size:.95rem;line-height:1.92;}
.section.dark .sec-head h2{color:#fff;}
.section.dark .sec-head p{color:#a8b0cf;}
.eyebrow{display:inline-block;font-size:.74rem;letter-spacing:.2em;font-weight:800;color:var(--gold-dk);margin-bottom:10px;}
.section.dark .eyebrow{color:var(--gold-lt);}
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.tile h3{font-size:1.05rem;margin-bottom:10px;color:var(--ink);}
.tile p{color:var(--muted);font-size:.9rem;line-height:1.85;}

/* ===== 机制卡 ===== */
.feature{
  display:flex;gap:18px;padding:26px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.feature-no{
  flex:0 0 46px;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-weight:900;font-size:.94rem;color:#1a1f3d;
  background:linear-gradient(140deg,#ffd166,#ffb400 62%,#e59f00);
  box-shadow:0 8px 18px rgba(255,180,0,.28);
}
.feature h3{font-size:1.02rem;margin-bottom:8px;color:var(--ink);}
.feature p{color:var(--muted);font-size:.9rem;line-height:1.85;}

/* ===== 案例墙 ===== */
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);height:100%;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.case-media{position:relative;overflow:hidden;background:#e9ecf6;}
.case-media img{width:100%;height:186px;object-fit:cover;transition:transform .45s var(--ease);}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-body{padding:24px 24px 26px;}
.case-body h3{font-size:1.04rem;margin:10px 0 10px;color:var(--ink);}
.case-body p{color:var(--muted);font-size:.9rem;line-height:1.85;}

/* ===== 频道矩阵 ===== */
.channel{
  display:flex;flex-direction:column;position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.channel::after{
  content:"";position:absolute;right:-46px;top:-46px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.24),transparent 70%);
  opacity:0;transition:opacity .3s var(--ease);
}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.channel:hover::after{opacity:1;}
.channel-tag{font-size:.73rem;font-weight:800;letter-spacing:.16em;color:var(--gold-dk);}
.channel h3{font-size:1.1rem;margin:12px 0 10px;color:var(--ink);}
.channel p{color:var(--muted);font-size:.9rem;line-height:1.85;}
.channel-more{margin-top:20px;font-size:.85rem;font-weight:800;color:var(--ink);transition:color .24s var(--ease);}
.channel:hover .channel-more{color:var(--gold-dk);}

/* ===== 资讯列表 ===== */
.news-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:26px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:block;padding:24px 26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.6);}
.news-item h3{font-size:1.02rem;margin:10px 0 8px;color:var(--ink);}
.news-item p{color:var(--muted);font-size:.89rem;line-height:1.8;}
.news-time{display:inline-block;margin-top:12px;font-size:.76rem;color:#98a0bd;letter-spacing:.04em;}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);}
.news-side h3{font-size:1.02rem;color:var(--ink);margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.side-post-list li + li{margin-top:13px;padding-top:13px;border-top:1px dashed var(--line);}
.side-post-list a{font-size:.9rem;font-weight:600;color:var(--ink);line-height:1.65;display:block;transition:color .22s var(--ease),transform .22s var(--ease);}
.side-post-list a:hover{color:var(--gold-dk);transform:translateX(3px);}
.empty-note{color:var(--muted);font-size:.9rem;padding:18px 0;}

/* ===== 对比表 ===== */
.compare-wrap{overflow-x:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--line);background:#fff;}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:.9rem;}
.compare-table thead th{
  padding:20px 18px;text-align:left;font-weight:800;font-size:.92rem;color:var(--ink);
  background:#f6f7fd;border-bottom:1px solid var(--line);
}
.compare-table thead th:first-child{border-top-left-radius:var(--radius-lg);}
.compare-table thead th:last-child{border-top-right-radius:var(--radius-lg);}
.compare-table th.is-best{background:linear-gradient(180deg,rgba(255,180,0,.20),rgba(255,180,0,.08));color:#8a5e00;position:relative;}
.best-flag{
  display:inline-block;margin-left:8px;padding:2px 9px;border-radius:999px;
  background:linear-gradient(135deg,#ffd166,#ffb400);color:#1a1f3d;font-size:.68rem;font-weight:900;letter-spacing:.06em;
}
.compare-table tbody th{
  text-align:left;padding:16px 18px;font-weight:700;color:var(--ink);background:#fbfcff;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table tbody td{padding:16px 18px;color:var(--muted);border-bottom:1px solid var(--line);line-height:1.8;}
.compare-table tbody td.is-best{background:rgba(255,180,0,.08);color:#5d4a13;font-weight:600;}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-foot{margin-top:22px;display:flex;justify-content:flex-start;}

/* ===== 问答流 ===== */
.qa-list{display:grid;gap:16px;}
.qa-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.qa-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.qa-q{display:flex;align-items:flex-start;gap:12px;font-weight:800;color:var(--ink);font-size:1rem;}
.qa-q .qmark{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--ink);color:var(--gold-lt);font-size:.8rem;font-weight:900;margin-top:2px;
}
.qa-a{margin-top:12px;padding-left:38px;color:var(--muted);font-size:.92rem;line-height:1.9;}

/* ===== 路线图 ===== */
.roadmap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.road-card{
  background:linear-gradient(160deg,#ffffff,#f8f9ff);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.road-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.road-status{
  display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:800;
  letter-spacing:.1em;color:var(--gold-dk);margin-bottom:14px;
}
.road-status .pip{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(255,180,0,.7);}
.road-card h3{font-size:1.04rem;color:var(--ink);margin-bottom:14px;}
.road-card li{position:relative;padding-left:18px;color:var(--muted);font-size:.89rem;line-height:1.8;margin-bottom:9px;}
.road-card li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--gold);opacity:.7;}

/* ===== 口碑 ===== */
.voice{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);padding:28px 26px;
  transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
}
.voice:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5);background:rgba(255,255,255,.08);}
.voice p{color:#c8cfe8;font-size:.93rem;line-height:1.9;}
.voice-meta{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);}
.voice-avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:.85rem;
  background:linear-gradient(140deg,#ffd166,#ffb400);color:#1a1f3d;flex:0 0 38px;
}
.voice-meta strong{display:block;font-size:.87rem;color:#fff;font-weight:800;}
.voice-meta span{display:block;font-size:.76rem;color:#98a1c5;}

/* ===== 订阅 ===== */
.subscribe-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 32px;box-shadow:var(--shadow-sm);display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:26px;align-items:center;
}
.subscribe-bar h2{font-size:1.18rem;color:var(--ink);}
.subscribe-bar p{margin-top:9px;color:var(--muted);font-size:.88rem;line-height:1.8;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input[type="email"]{
  flex:1 1 220px;min-width:0;padding:13px 18px;border-radius:999px;border:1px solid var(--line);
  background:#f8f9fe;color:var(--text);font-size:.92rem;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.subscribe-form input[type="email"]:focus{background:#fff;border-color:var(--gold);outline:none;box-shadow:0 0 0 3px rgba(255,180,0,.18);}
.form-note{flex-basis:100%;font-size:.76rem;color:#98a0bd;margin-top:2px;}
.form-msg{flex-basis:100%;font-size:.82rem;color:var(--gold-dk);font-weight:700;display:none;}
.form-msg.is-on{display:block;}

/* ===== 收口 CTA ===== */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:56px 48px;color:#fff;
  background:linear-gradient(125deg,#1b2144,#252c55 52%,#171c38);
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow-md);
  text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;left:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
}
.cta-panel h2{position:relative;font-size:clamp(1.35rem,2.3vw,1.95rem);margin-bottom:16px;}
.cta-panel p{position:relative;color:#bcc4e0;font-size:.95rem;line-height:1.9;max-width:660px;margin:0 auto 30px;}
.cta-panel .btn{position:relative;}

/* ===== 页脚 ===== */
.site-footer{background:linear-gradient(160deg,#151a35,#1a1f3d 60%,#10132a);color:#b5bcda;padding:52px 0 30px;margin-top:auto;}
.footer-inner{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.09);}
.footer-brand{display:flex;gap:14px;align-items:flex-start;max-width:520px;}
.footer-brand strong{display:block;color:#fff;font-size:1.02rem;font-weight:800;margin-bottom:6px;}
.footer-brand p{font-size:.86rem;line-height:1.85;color:#98a1c5;}
.footer-links{display:flex;flex-wrap:wrap;gap:22px;}
.footer-links a{font-size:.88rem;color:#a9b1d1;font-weight:600;transition:color .22s var(--ease);}
.footer-links a:hover{color:var(--gold-lt);}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.79rem;color:#7d86a8;}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-stage{justify-self:start;flex-direction:row;align-items:center;gap:20px;}
  .hero-play{width:88px;height:88px;}
  .hero-play svg{width:26px;height:26px;}
  .hero-play-label{margin-top:0;text-align:left;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .roadmap{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-layout{grid-template-columns:1fr;}
  .subscribe-bar{grid-template-columns:1fr;}
}
@media (max-width:991.98px){
  .side-nav{transform:translateX(-100%);transition:transform .32s var(--ease);box-shadow:0 0 46px rgba(0,0,0,.45);}
  .side-nav.is-open{transform:translateX(0);}
  .app-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .section{padding:58px 0;}
  .hero{padding:56px 0 62px;}
  .stat-band{padding:42px 0 46px;}
}
@media (max-width:768px){
  .shell-wrap{padding:0 18px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .roadmap{grid-template-columns:1fr;}
  .sec-head{margin-bottom:30px;}
  .cta-panel{padding:42px 24px;}
  .compare-table{min-width:640px;}
}
@media (max-width:520px){
  .hero h1{font-size:1.52rem;}
  .hero-lead{font-size:.93rem;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .hero-stage{flex-direction:column;align-items:flex-start;}
  .qa-a{padding-left:0;}
  .news-item{padding:20px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c55;
 --ink-deep:#11142c;
 --gold:#ffb400;
 --gold-lt:#ffd166;
 --gold-dk:#c58a00;
 --cyan:#49d7e8;
 --bg:#f3f4fa;
 --card:#ffffff;
 --text:#1c2039;
 --muted:#68708f;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 16px 40px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.32);
 --nav-w:254px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--bg);color:var(--text);line-height:1.75;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.container-shell{width:100%;max-width:1180px;margin:0 auto;padding:0 26px;}

/* ===== 左侧 App Shell 导航 ===== */
.side-nav{
 position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1050;
 padding:24px 16px 22px;display:flex;flex-direction:column;overflow-y:auto;
 background:linear-gradient(180deg,#1c2246 0%,#1a1f3d 46%,#111530 100%);
 color:#c3cae4;border-right:1px solid rgba(255,255,255,.07);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 22px;}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;
 font-weight:900;font-size:1.12rem;color:#1a1f3d;
 background:linear-gradient(140deg,#ffd166,#ffb400 60%,#e59f00);
 box-shadow:0 8px 20px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:1rem;color:#fff;line-height:1.3;}
.brand-text small{font-size:.7rem;font-weight:600;color:#8f98bd;letter-spacing:.16em;margin-top:3px;}
.nav-group-title{font-size:.7rem;letter-spacing:.2em;color:#767f9f;margin:14px 12px 10px;font-weight:700;}
.nav-list{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:4px;}
.nav-link{
 display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:11px;
 font-size:.92rem;font-weight:600;color:#c3cae4;
 transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-link.active{
 background:linear-gradient(135deg,rgba(255,209,102,.20),rgba(255,180,0,.10));
 color:var(--gold-lt);box-shadow:inset 0 0 0 1px rgba(255,180,0,.34);
}
.nav-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,180,0,.65);flex:0 0 6px;}
.nav-link.active .nav-dot{background:var(--gold-lt);box-shadow:0 0 0 3px rgba(255,180,0,.18);}
.side-cta{
 display:block;text-align:center;padding:12px 14px;border-radius:11px;margin-top:auto;
 background:linear-gradient(135deg,#ffd166,#ffb400 62%,#f0a500);
 color:#1a1f3d;font-weight:800;font-size:.88rem;box-shadow:var(--shadow-gold);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.44);}
.nav-note{margin:16px 10px 0;font-size:.75rem;line-height:1.7;color:#79829f;}

.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-bar{
 display:none;position:sticky;top:0;z-index:1020;align-items:center;gap:12px;
 padding:11px 18px;background:rgba(23,28,56,.97);backdrop-filter:blur(10px);
 border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.mobile-bar .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:.92rem;border-radius:10px;}
.bar-title{font-weight:800;font-size:.95rem;letter-spacing:.01em;}
.menu-btn{
 margin-left:auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
 transition:background .22s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.14);}
.nav-scrim{
 position:fixed;inset:0;z-index:1040;background:rgba(10,13,32,.58);
 backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.28s var(--ease);
}
.nav-scrim.is-open{opacity:1;visibility:visible;}

/* ===== 通用按钮 / 标签 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:.94rem;
 border:1px solid transparent;cursor:pointer;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{background:linear-gradient(135deg,#ffd166,#ffb400 58%,#efa200);color:#1a1f3d;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);color:#12162d;}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#e8ecf8;border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--gold);background:rgba(255,180,0,.10);transform:translateY(-2px);}
.tag{
 display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
 background:rgba(255,180,0,.16);color:#9a6b00;font-size:.73rem;font-weight:800;letter-spacing:.04em;
}
.tag-light{background:rgba(255,180,0,.16);color:var(--gold-lt);border:1px solid rgba(255,180,0,.42);}

/* ===== 文章头部 ===== */
.article-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:46px 0 54px;}
.article-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;transform:scale(1.04);}
.article-hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(820px 400px at 8% 0%,rgba(255,180,0,.22),transparent 62%),
 linear-gradient(112deg,rgba(17,20,44,.97) 6%,rgba(26,31,61,.88) 52%,rgba(26,31,61,.64) 100%);
}
.article-hero-inner{position:relative;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8rem;color:#9aa3c4;margin-bottom:18px;}
.crumb a{color:#c3cae4;}
.crumb a:hover{color:var(--gold-lt);}
.crumb .sep{color:#5b6488;}
.article-hero h1{
 font-size:clamp(1.5rem,2.7vw,2.2rem);line-height:1.42;margin:14px 0 16px;color:#fff;
 text-shadow:0 6px 26px rgba(0,0,0,.35);max-width:920px;
}
.article-lead{color:#c3cae4;font-size:.98rem;max-width:820px;line-height:1.95;margin:0;}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.82rem;color:#9aa3c4;margin-top:20px;}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* ===== 正文两栏 ===== */
.page-main{padding:36px 0 68px;flex:1;}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:32px;align-items:start;}
.article-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.article-cover{margin:0;position:relative;aspect-ratio:16/8;overflow:hidden;background:var(--ink-2);}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(17,20,44,0) 48%,rgba(17,20,44,.55));
}
.article-cover figcaption{
 position:absolute;left:20px;bottom:16px;z-index:2;color:#e8ecf8;
 font-size:.78rem;letter-spacing:.04em;background:rgba(17,20,44,.55);
 border:1px solid rgba(255,255,255,.16);padding:5px 12px;border-radius:999px;backdrop-filter:blur(6px);
}
.article-body{padding:34px 38px 42px;font-size:1rem;line-height:1.95;color:#2a3050;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
 font-size:1.32rem;font-weight:800;color:var(--ink);line-height:1.5;
 margin:2em 0 .85em;padding-left:14px;border-left:4px solid var(--gold);
}
.article-body h3{font-size:1.08rem;font-weight:800;color:var(--ink-2);margin:1.7em 0 .6em;}
.article-body h4{font-size:.98rem;font-weight:800;color:var(--ink-2);margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.15em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.25em;}
.article-body li{margin-bottom:.5em;}
.article-body img{border-radius:var(--radius);margin:1.5em auto;box-shadow:var(--shadow-sm);}
.article-body blockquote{
 margin:1.5em 0;padding:16px 22px;border-left:4px solid var(--gold);
 background:#fbf7ec;border-radius:0 var(--radius) var(--radius) 0;color:#5b5330;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--gold-dk);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--ink);}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.94rem;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.article-body th{background:#f6f7fc;color:var(--ink);font-weight:700;}
.article-body strong{color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.empty-state{padding:26px 0 10px;text-align:center;}
.empty-state h2{font-size:1.3rem;color:var(--ink);margin:0 0 12px;border:0;padding:0;}
.empty-state p{color:var(--muted);margin:0 0 22px;}

/* ===== 侧栏 ===== */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:26px;}
.side-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:22px 20px;
}
.side-card h3{
 font-size:.95rem;font-weight:800;color:var(--ink);margin:0 0 14px;
 display:flex;align-items:center;gap:9px;
}
.side-card h3::before{
 content:"";width:6px;height:16px;border-radius:3px;
 background:linear-gradient(180deg,var(--gold-lt),var(--gold));
}
.tip-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:.87rem;color:#41496b;line-height:1.7;}
.tip-list li{position:relative;padding-left:18px;}
.tip-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--gold);}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.stat-cell{background:#f7f8fd;border:1px solid var(--line);border-radius:10px;padding:12px 10px;text-align:center;}
.stat-cell strong{display:block;font-size:1.16rem;font-weight:900;color:var(--ink);line-height:1.2;}
.stat-cell span{font-size:.73rem;color:var(--muted);}
.side-link{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding:11px 14px;border-radius:10px;background:#f7f8fd;border:1px solid var(--line);
 font-size:.87rem;font-weight:700;color:var(--ink);margin-bottom:9px;
 transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.side-link:last-child{margin-bottom:0;}
.side-link:hover{border-color:rgba(255,180,0,.55);background:#fffaf0;transform:translateX(2px);}
.side-link .arrow{color:var(--gold-dk);font-weight:900;}

/* ===== 分类频道矩阵 ===== */
.channel-section{padding:58px 0 62px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:30px;}
.section-head .kicker{
 font-size:.74rem;font-weight:800;letter-spacing:.22em;color:var(--gold-dk);text-transform:uppercase;
}
.section-head h2{font-size:clamp(1.3rem,2.2vw,1.75rem);font-weight:900;color:var(--ink);margin:10px 0 12px;line-height:1.45;}
.section-head p{margin:0;color:var(--muted);font-size:.94rem;line-height:1.9;}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
 display:flex;flex-direction:column;gap:10px;padding:24px 22px;border-radius:var(--radius);
 border:1px solid var(--line);background:linear-gradient(180deg,#fff,#f8f9fe);
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.channel-card h3{font-size:1.04rem;font-weight:800;color:var(--ink);margin:0;}
.channel-card p{margin:0;font-size:.875rem;color:var(--muted);line-height:1.8;}
.channel-more{margin-top:4px;font-size:.84rem;font-weight:800;color:var(--gold-dk);letter-spacing:.02em;}

/* ===== 常见疑问 ===== */
.faq-section{padding:58px 0 62px;background:var(--bg);}
.faq-wrap{max-width:860px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden;
 transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,180,0,.42);box-shadow:0 10px 26px rgba(26,31,61,.08);}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 22px;font-weight:800;color:var(--ink);
 display:flex;justify-content:space-between;align-items:flex-start;gap:16px;font-size:.97rem;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold-dk);font-weight:900;font-size:1.15rem;line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-a{padding:0 22px 20px;color:#48507a;font-size:.92rem;line-height:1.9;}

/* ===== 订阅收口 ===== */
.cta-band{background:linear-gradient(120deg,#1a1f3d 0%,#252c55 58%,#1b2350 100%);color:#fff;padding:58px 0;}
.cta-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center;}
.cta-inner h2{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:900;margin:0 0 14px;line-height:1.45;color:#fff;}
.cta-inner p{margin:0;color:#c3cae4;font-size:.94rem;line-height:1.9;max-width:560px;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
 flex:1 1 210px;min-width:0;padding:13px 18px;border-radius:999px;
 border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
 color:#fff;font-size:.9rem;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.subscribe-form input::placeholder{color:#9aa3c4;}
.subscribe-form input:focus{border-color:var(--gold);background:rgba(255,255,255,.14);outline:none;}
.form-hint{width:100%;margin:12px 0 0;font-size:.79rem;color:#9aa3c4;}
.form-hint.is-ok{color:var(--gold-lt);font-weight:700;}

/* ===== 页脚 ===== */
.site-footer{background:#0f1330;color:#9aa3c4;margin-top:auto;}
.footer-inner{
 display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start;
 padding:42px 0 26px;
}
.footer-brand{display:flex;gap:14px;max-width:560px;}
.footer-brand .brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:12px;font-size:1rem;}
.footer-brand strong{color:#fff;font-size:1rem;display:block;margin-bottom:7px;}
.footer-brand p{margin:0;font-size:.84rem;line-height:1.85;color:#9aa3c4;}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:.86rem;font-weight:600;}
.footer-links a{color:#c3cae4;}
.footer-links a:hover{color:var(--gold-lt);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);padding:16px 0 28px;
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:.8rem;color:#7d86a8;
}
.footer-bottom p{margin:0;}

/* ===== 响应式 ===== */
@media (max-width:1180px){
 .article-shell{grid-template-columns:minmax(0,1fr) 282px;gap:26px;}
 .article-body{padding:30px 28px 36px;}
}
@media (max-width:1024px){
 .side-nav{
  transform:translateX(-100%);
  transition:transform .3s var(--ease);
  box-shadow:0 0 40px rgba(0,0,0,.4);
 }
 .side-nav.is-open{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
 .article-shell{grid-template-columns:minmax(0,1fr);}
 .article-side{position:static;}
 .channel-grid{grid-template-columns:repeat(2,1fr);}
 .cta-inner{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:768px){
 .container-shell{padding:0 18px;}
 .article-hero{padding:34px 0 40px;}
 .article-body{padding:24px 20px 30px;font-size:.96rem;}
 .article-body h2{font-size:1.16rem;}
 .channel-grid{grid-template-columns:1fr;}
 .channel-section,.faq-section,.cta-band{padding:44px 0 48px;}
 .article-cover{aspect-ratio:16/10;}
 .footer-inner{padding:34px 0 22px;gap:22px;}
}
@media (max-width:520px){
 .article-hero h1{font-size:1.34rem;}
 .article-lead{font-size:.9rem;}
 .article-meta{gap:12px;font-size:.77rem;}
 .btn{padding:12px 22px;font-size:.88rem;}
 .subscribe-form input{flex:1 1 100%;}
 .subscribe-form .btn{width:100%;}
 .stat-grid{grid-template-columns:1fr 1fr;}
 .crumb{font-size:.75rem;}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c55;
 --ink-deep:#11142c;
 --gold:#ffb400;
 --gold-lt:#ffd166;
 --gold-dk:#c58a00;
 --cyan:#49d7e8;
 --bg:#f3f4fa;
 --card:#ffffff;
 --text:#1c2039;
 --muted:#68708f;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 16px 40px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.32);
 --nav-w:254px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--bg);color:var(--text);line-height:1.75;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.34;font-weight:800;color:var(--ink);}
p{margin:0;}
button{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

/* ===== 左侧导航 ===== */
.side-nav{
 position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1050;
 padding:24px 16px 22px;display:flex;flex-direction:column;overflow-y:auto;
 background:linear-gradient(180deg,#1c2246 0%,#1a1f3d 46%,#111530 100%);
 color:#c3cae4;border-right:1px solid rgba(255,255,255,.07);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 22px;}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;
 font-weight:900;font-size:1.12rem;color:#1a1f3d;
 background:linear-gradient(140deg,#ffd166,#ffb400 60%,#e59f00);
 box-shadow:0 8px 20px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:1rem;color:#fff;line-height:1.3;}
.brand-text small{font-size:.7rem;font-weight:600;color:#8f98bd;letter-spacing:.06em;margin-top:3px;}
.nav-group-title{font-size:.7rem;letter-spacing:.2em;color:#767f9f;margin:14px 12px 10px;font-weight:700;}
.nav-list{display:grid;gap:6px;}
.nav-link{
 position:relative;display:flex;align-items:center;gap:10px;
 padding:11px 15px;border-radius:11px;font-size:.92rem;font-weight:700;color:#bcc4e0;
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link::before{
 content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%) scaleY(0);
 width:3px;height:18px;border-radius:99px;background:var(--gold);transition:transform .22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav-link.is-active{
 background:linear-gradient(120deg,rgba(255,180,0,.20),rgba(255,180,0,.05));
 color:var(--gold-lt);
}
.nav-link.is-active::before{transform:translateY(-50%) scaleY(1);}
.side-cta{
 display:block;text-align:center;padding:12px 14px;border-radius:11px;margin-top:20px;
 background:linear-gradient(135deg,#ffd166,#ffb400 62%,#f0a500);
 color:#1a1f3d;font-weight:800;font-size:.88rem;box-shadow:var(--shadow-gold);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.44);color:#12162d;}
.nav-foot{margin-top:auto;padding:18px 10px 0;border-top:1px solid rgba(255,255,255,.08);}
.nav-foot p{font-size:.76rem;color:#767f9f;line-height:1.8;}

/* ===== 主区域 ===== */
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-bar{
 display:none;position:sticky;top:0;z-index:1020;align-items:center;gap:12px;
 padding:11px 18px;background:rgba(23,28,56,.97);backdrop-filter:blur(10px);
 border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.mobile-bar .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:.92rem;border-radius:10px;}
.bar-title{font-weight:800;font-size:.95rem;}
.menu-btn{
 margin-left:auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
 transition:background .22s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.14);}
.nav-scrim{
 position:fixed;inset:0;z-index:1040;background:rgba(10,13,32,.58);
 backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.28s var(--ease);
}
.nav-scrim.is-open{opacity:1;visibility:visible;}

/* ===== 容器与板块 ===== */
.shell-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px;}
.section{padding:72px 0;}
.section--tight{padding:54px 0;}
.section--alt{background:#fff;}
.section--dark{background:linear-gradient(160deg,#1c2246,#11142c);color:#c3cae4;}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:.74rem;letter-spacing:.18em;
 font-weight:800;color:var(--gold-dk);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:99px;background:var(--gold);}
.section-title{font-size:clamp(1.38rem,2.2vw,1.92rem);margin:12px 0 14px;}
.section-sub{color:var(--muted);font-size:.95rem;max-width:720px;}
.section--dark .section-title{color:#fff;}
.section--dark .section-sub{color:#a9b2d4;}

/* ===== 按钮与标签 ===== */
.btn-gold,.btn-ghost,.btn-outline{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:.94rem;
 border:1px solid transparent;cursor:pointer;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{background:linear-gradient(135deg,#ffd166,#ffb400 58%,#efa200);color:#1a1f3d;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);color:#12162d;}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#e8ecf8;border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--gold);background:rgba(255,180,0,.10);transform:translateY(-2px);}
.tag{
 display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
 background:rgba(255,180,0,.16);color:#9a6b00;font-size:.73rem;font-weight:800;letter-spacing:.04em;
}

/* ===== 分类页 Hero ===== */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:64px 0 70px;}
.cat-hero-bg{position:absolute;inset:0;background:url("/assets/images/9d3a25016616ad69.webp") center/cover no-repeat;opacity:.38;transform:scale(1.04);}
.cat-hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(860px 440px at 8% 4%,rgba(255,180,0,.20),transparent 62%),
 linear-gradient(112deg,rgba(17,20,44,.97) 8%,rgba(26,31,61,.90) 52%,rgba(26,31,61,.62) 100%);
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:46px;align-items:start;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 color:var(--gold-lt);font-size:.78rem;font-weight:700;letter-spacing:.07em;
}
.cat-hero h1{font-size:clamp(1.68rem,2.9vw,2.48rem);color:#fff;margin:20px 0 18px;text-shadow:0 6px 26px rgba(0,0,0,.32);}
.cat-hero-lead{color:#c3cae4;font-size:.98rem;line-height:1.95;max-width:640px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
 padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.06);font-size:.82rem;color:#dfe5f7;font-weight:600;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;}

/* ===== 节奏档位面板 ===== */
.pace-panel{
 background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:22px;backdrop-filter:blur(8px);
 box-shadow:0 22px 50px rgba(8,10,26,.35);
}
.pace-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.pace-head h2{font-size:.96rem;color:#fff;}
.pace-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0 18px;}
.pace-btn{
 padding:10px 6px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
 background:rgba(255,255,255,.05);color:#c8cfe8;font-size:.83rem;font-weight:800;cursor:pointer;
 transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pace-btn:hover{background:rgba(255,255,255,.13);color:#fff;}
.pace-btn.is-active{
 background:linear-gradient(135deg,#ffd166,#ffb400);color:#1a1f3d;
 border-color:transparent;box-shadow:var(--shadow-gold);
}
.pace-item{display:none;}
.pace-item.is-active{display:block;animation:paceFade .3s var(--ease);}
@keyframes paceFade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.pace-item h3{color:#fff;font-size:1.02rem;margin-bottom:8px;}
.pace-item p{color:#bcc4e2;font-size:.88rem;line-height:1.85;}
.pace-list{margin-top:13px;display:grid;gap:8px;}
.pace-list li{position:relative;padding-left:18px;font-size:.85rem;color:#c8cfe8;line-height:1.7;}
.pace-list li::before{
 content:"";position:absolute;left:0;top:.66em;width:7px;height:7px;border-radius:50%;background:var(--gold);
}
.pace-foot{
 margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.16);
 font-size:.78rem;color:#8f98bd;
}

/* ===== 数据速览 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.42);}
.stat-num{font-size:1.8rem;font-weight:900;color:var(--ink);letter-spacing:-.02em;line-height:1.15;}
.stat-num em{font-style:normal;color:var(--gold-dk);font-size:1rem;font-weight:800;margin-left:2px;}
.stat-label{font-size:.85rem;color:var(--muted);margin-top:8px;}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-card{
 display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.42);}
.scene-num{
 flex:0 0 46px;height:46px;border-radius:13px;display:grid;place-items:center;
 font-weight:900;color:#1a1f3d;background:linear-gradient(140deg,#ffd166,#ffb400);
 box-shadow:0 8px 18px rgba(255,180,0,.26);
}
.scene-card h3{font-size:1.01rem;margin-bottom:7px;}
.scene-card p{font-size:.89rem;color:var(--muted);line-height:1.85;}

/* ===== 流程 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.flow-step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 20px 22px;box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.flow-step::before{
 content:"";position:absolute;left:0;right:0;top:0;height:3px;
 background:linear-gradient(90deg,var(--gold),rgba(255,180,0,.15));
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.flow-idx{font-size:.75rem;font-weight:900;color:var(--gold-dk);letter-spacing:.18em;}
.flow-step h3{font-size:.99rem;margin:9px 0 8px;}
.flow-step p{font-size:.87rem;color:var(--muted);line-height:1.85;}

/* ===== 路线对照 ===== */
.route-wrap{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);gap:34px;align-items:center;}
.route-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);margin:0;}
.route-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.route-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:18px;color:#fff;font-size:.84rem;line-height:1.7;
 background:linear-gradient(0deg,rgba(17,20,44,.94),rgba(17,20,44,.10) 78%,transparent);
}
.route-table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;}
.route-table{width:100%;border-collapse:collapse;font-size:.89rem;min-width:480px;}
.route-table th{
 background:#eef1fa;color:var(--ink);text-align:left;padding:13px 16px;
 font-size:.8rem;letter-spacing:.05em;font-weight:800;white-space:nowrap;
}
.route-table td{padding:13px 16px;border-top:1px solid var(--line);color:var(--muted);line-height:1.75;}
.route-table td strong{color:var(--ink);display:block;font-size:.9rem;}
.route-table tbody tr{transition:background .2s var(--ease);}
.route-table tbody tr:hover{background:rgba(255,180,0,.07);}

/* ===== 误区 ===== */
.pit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.pit-item{
 display:flex;gap:15px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);
 border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.pit-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.pit-icon{
 flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold-dk);font-weight:900;font-size:.86rem;
}
.pit-item h3{font-size:.95rem;margin-bottom:6px;}
.pit-item p{font-size:.87rem;color:var(--muted);line-height:1.8;}

/* ===== 最新内容 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
 display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.news-card h3{font-size:.97rem;line-height:1.6;transition:color .22s var(--ease);}
.news-card:hover h3{color:var(--gold-dk);}
.news-card p{font-size:.85rem;color:var(--muted);line-height:1.8;}
.news-meta{
 display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;
 padding-top:11px;border-top:1px dashed var(--line);font-size:.77rem;color:#9aa2bd;
}
.news-empty{
 padding:26px;border:1px dashed var(--line);border-radius:var(--radius);
 background:#fff;color:var(--muted);font-size:.9rem;text-align:center;
}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,180,0,.42);}
.faq-item summary{
 cursor:pointer;padding:18px 22px;font-weight:800;color:var(--ink);font-size:.95rem;
 display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold-dk);font-size:1.25rem;line-height:1;font-weight:700;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:.89rem;line-height:1.9;}

/* ===== 订阅收口 ===== */
.subscribe-band{
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:32px;align-items:center;
 background:linear-gradient(135deg,#1c2246,#11142c);border-radius:var(--radius-lg);
 padding:40px;color:#fff;box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.subscribe-band::after{
 content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.subscribe-band h2{color:#fff;font-size:clamp(1.22rem,2vw,1.6rem);margin-bottom:12px;}
.subscribe-band p{color:#b9c1df;font-size:.92rem;line-height:1.9;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1;}
.subscribe-form input{
 flex:1 1 200px;min-width:0;padding:13px 20px;border-radius:999px;
 border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.09);
 color:#fff;font-size:.9rem;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.subscribe-form input::placeholder{color:#98a1c0;}
.subscribe-form input:hover{border-color:rgba(255,180,0,.5);}
.subscribe-form input:focus{background:rgba(255,255,255,.14);border-color:var(--gold);}
.subscribe-note{font-size:.78rem;color:#8f98bd;margin-top:12px;}

/* ===== 页脚 ===== */
.site-footer{background:linear-gradient(180deg,#151a33,#0e1126);color:#aab3d0;padding:52px 0 26px;margin-top:auto;}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-start;}
.footer-brand{display:flex;gap:14px;max-width:540px;}
.footer-brand .brand-mark{width:44px;height:44px;flex:0 0 44px;border-radius:13px;}
.footer-brand strong{color:#fff;font-size:1.02rem;display:block;margin-bottom:6px;}
.footer-brand p{font-size:.85rem;color:#9aa3c2;line-height:1.85;}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 22px;}
.footer-links a{
 font-size:.87rem;color:#aab3d0;padding:4px 0;border-bottom:1px solid transparent;
 transition:color .22s var(--ease),border-color .22s var(--ease);
}
.footer-links a:hover{color:var(--gold-lt);border-bottom-color:var(--gold-lt);}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
 margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 font-size:.79rem;color:#8189a8;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:34px;}
 .route-wrap{grid-template-columns:1fr;gap:26px;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .flow-grid{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .subscribe-band{grid-template-columns:1fr;}
}
@media (max-width:991px){
 .side-nav{transform:translateX(-100%);transition:transform .3s var(--ease);box-shadow:0 0 40px rgba(0,0,0,.4);}
 .side-nav.is-open{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
 .section{padding:56px 0;}
 .shell-wrap{padding:0 20px;}
}
@media (max-width:768px){
 .scene-grid,.pit-grid{grid-template-columns:1fr;}
 .cat-hero{padding:48px 0 54px;}
 .section{padding:46px 0;}
 .section--tight{padding:40px 0;}
 .subscribe-band{padding:28px;}
 .stat-num{font-size:1.55rem;}
 .footer-inner{flex-direction:column;gap:24px;}
}
@media (max-width:520px){
 .shell-wrap{padding:0 16px;}
 .stat-grid{grid-template-columns:1fr;}
 .flow-grid,.news-grid{grid-template-columns:1fr;}
 .pace-switch{grid-template-columns:1fr;}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;}
 .cat-hero h1{font-size:1.5rem;}
 .flow-step,.scene-card{padding:18px;}
 .news-card{padding:16px;}
 .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c55;
 --ink-deep:#11142c;
 --gold:#ffb400;
 --gold-lt:#ffd166;
 --gold-dk:#c58a00;
 --cyan:#49d7e8;
 --bg:#f3f4fa;
 --card:#ffffff;
 --text:#1c2039;
 --muted:#68708f;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 16px 40px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.32);
 --nav-w:254px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--bg);color:var(--text);line-height:1.75;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

/* ===== 侧栏导航 ===== */
.side-nav{
 position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1050;
 padding:24px 16px 22px;display:flex;flex-direction:column;overflow-y:auto;
 background:linear-gradient(180deg,#1c2246 0%,#1a1f3d 46%,#111530 100%);
 color:#c3cae4;border-right:1px solid rgba(255,255,255,.07);
 transition:transform .3s var(--ease);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 22px;}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;
 font-weight:900;font-size:1.12rem;color:#1a1f3d;
 background:linear-gradient(140deg,#ffd166,#ffb400 60%,#e59f00);
 box-shadow:0 8px 20px rgba(255,180,0,.32);
 transition:transform .28s var(--ease);
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04);}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:1rem;color:#fff;line-height:1.3;}
.brand-text small{font-size:.68rem;font-weight:600;color:#8f98bd;letter-spacing:.16em;margin-top:3px;}
.nav-group-title{font-size:.7rem;letter-spacing:.2em;color:#767f9f;margin:14px 12px 10px;font-weight:700;}
.nav-list{display:flex;flex-direction:column;gap:4px;margin:0;}
.nav-link-item{
 display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:11px;
 font-size:.9rem;font-weight:600;color:#b9c1de;position:relative;
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link-item::before{
 content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.24);
 flex:0 0 6px;transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-link-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px);}
.nav-link-item.is-active{
 background:linear-gradient(96deg,rgba(255,180,0,.24),rgba(255,180,0,.05));
 color:#ffd166;font-weight:800;
}
.nav-link-item.is-active::before{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.22);}
.side-foot{margin-top:auto;padding-top:26px;}
.side-cta{
 display:block;text-align:center;padding:12px 14px;border-radius:11px;
 background:linear-gradient(135deg,#ffd166,#ffb400 62%,#f0a500);
 color:#1a1f3d;font-weight:800;font-size:.88rem;box-shadow:var(--shadow-gold);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.44);color:#12162d;}
.side-note{font-size:.72rem;color:#7c85a8;margin-top:12px;text-align:center;line-height:1.6;}

/* ===== 主区域 ===== */
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-bar{
 display:none;position:sticky;top:0;z-index:1020;align-items:center;gap:12px;
 padding:11px 18px;background:rgba(23,28,56,.97);backdrop-filter:blur(10px);
 border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.mobile-bar .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:.92rem;border-radius:10px;}
.bar-title{font-weight:800;font-size:.95rem;}
.menu-btn{
 margin-left:auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
 transition:background .22s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.14);}
.menu-btn svg{width:20px;height:20px;}
.nav-scrim{
 position:fixed;inset:0;z-index:1040;background:rgba(10,13,32,.58);
 backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.28s var(--ease);
}
.nav-scrim.is-open{opacity:1;visibility:visible;}

.shell-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 30px;}

/* ===== 按钮与标签 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:.94rem;
 border:1px solid transparent;cursor:pointer;line-height:1.4;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{background:linear-gradient(135deg,#ffd166,#ffb400 58%,#efa200);color:#1a1f3d;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);color:#12162d;}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#e8ecf8;border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--gold);background:rgba(255,180,0,.10);transform:translateY(-2px);}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
 background:rgba(255,180,0,.16);color:#9a6b00;font-size:.73rem;font-weight:800;letter-spacing:.05em;
}
.tag--dark{background:rgba(255,180,0,.16);color:var(--gold-lt);border:1px solid rgba(255,180,0,.36);}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:64px 0 72px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;transform:scale(1.05);}
.hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(900px 460px at 8% 4%,rgba(255,180,0,.22),transparent 62%),
 radial-gradient(700px 500px at 88% 92%,rgba(73,215,232,.16),transparent 66%),
 linear-gradient(112deg,rgba(17,20,44,.97) 8%,rgba(26,31,61,.9) 52%,rgba(26,31,61,.62) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.24fr) minmax(0,.76fr);gap:52px;align-items:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.78rem;color:#8f98bd;margin-bottom:18px;}
.crumb a{color:#aab3d4;}
.crumb a:hover{color:var(--gold-lt);}
.crumb span{color:#6b7499;}
.hero h1{
 font-size:clamp(1.78rem,3vw,2.62rem);line-height:1.34;margin:18px 0 18px;color:#fff;font-weight:900;
 letter-spacing:-.01em;text-shadow:0 6px 28px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:var(--gold-lt);}
.hero-lead{font-size:.99rem;color:#c3cae4;max-width:640px;line-height:1.95;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12);}
.hero-fact strong{display:block;font-size:1.42rem;font-weight:900;color:var(--gold-lt);line-height:1.2;}
.hero-fact span{font-size:.76rem;color:#9aa3c4;letter-spacing:.04em;}

/* 关卡速查面板 */
.stage-panel{
 background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:24px 22px 22px;
 backdrop-filter:blur(6px);box-shadow:0 22px 50px rgba(0,0,0,.28);
}
.stage-panel-title{font-size:.98rem;font-weight:800;color:#fff;margin-bottom:4px;}
.stage-panel-sub{font-size:.76rem;color:#98a1c2;margin-bottom:16px;}
.seg-switch{display:flex;gap:6px;background:rgba(0,0,0,.22);padding:5px;border-radius:12px;margin-bottom:16px;}
.seg-btn{
 flex:1;border:0;background:transparent;color:#a9b2d2;font-size:.77rem;font-weight:700;
 padding:8px 4px;border-radius:9px;cursor:pointer;transition:.22s var(--ease);
}
.seg-btn:hover{color:#fff;}
.seg-btn.is-active{background:linear-gradient(135deg,#ffd166,#ffb400);color:#1a1f3d;box-shadow:0 6px 16px rgba(255,180,0,.32);}
.seg-body{display:none;}
.seg-body.is-active{display:block;animation:fadeUp .32s var(--ease);}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.seg-body h3{font-size:.9rem;color:var(--gold-lt);font-weight:800;margin-bottom:8px;}
.seg-body p{font-size:.83rem;color:#c0c8e2;line-height:1.85;}
.seg-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.seg-meta span{
 font-size:.72rem;color:#dfe4f5;background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:3px 10px;
}

/* ===== 通用板块 ===== */
.section{padding:72px 0;}
.section--white{background:#fff;}
.section--tint{background:linear-gradient(180deg,#eef0fa 0%,#f6f7fc 100%);}
.section--deep{position:relative;background:linear-gradient(125deg,#161b38 0%,#1f2650 62%,#182046 100%);color:#fff;overflow:hidden;}
.sec-head{max-width:740px;margin-bottom:40px;}
.sec-head h2{
 font-size:clamp(1.34rem,2.2vw,1.86rem);font-weight:900;color:var(--ink);
 letter-spacing:-.01em;line-height:1.42;margin:14px 0 12px;
}
.sec-head p{color:var(--muted);font-size:.94rem;line-height:1.9;}
.section--deep .sec-head h2{color:#fff;}
.section--deep .sec-head p{color:#b6bfdd;}

/* ===== 分段速览卡片 ===== */
.stage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stage-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.stage-card::after{
 content:"";position:absolute;left:0;right:0;top:0;height:3px;
 background:linear-gradient(90deg,var(--gold),var(--gold-lt));opacity:0;transition:opacity .28s var(--ease);
}
.stage-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#dfe3f3;}
.stage-card:hover::after{opacity:1;}
.stage-card .stage-no{
 display:inline-flex;align-items:center;justify-content:center;
 min-width:52px;height:30px;padding:0 12px;border-radius:9px;
 background:rgba(26,31,61,.06);color:var(--ink);font-weight:900;font-size:.8rem;letter-spacing:.03em;
 margin-bottom:16px;
}
.stage-card h3{font-size:1.02rem;font-weight:800;color:var(--ink);margin-bottom:10px;}
.stage-card p{font-size:.86rem;color:var(--muted);line-height:1.85;}
.stage-card .stage-rate{
 display:block;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
 font-size:.78rem;color:var(--gold-dk);font-weight:800;
}

/* ===== 推进流程 ===== */
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:flow;}
.flow-card{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:32px 26px 28px;box-shadow:var(--shadow-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.flow-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.flow-card .flow-idx{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(140deg,#1a1f3d,#2c3567);color:var(--gold-lt);
 font-weight:900;font-size:.95rem;margin-bottom:18px;box-shadow:0 8px 18px rgba(26,31,61,.22);
}
.flow-card h3{font-size:1.05rem;font-weight:800;color:var(--ink);margin-bottom:10px;}
.flow-card p{font-size:.88rem;color:var(--muted);line-height:1.9;}
.flow-card ul{margin-top:14px;display:flex;flex-direction:column;gap:7px;}
.flow-card li{
 font-size:.83rem;color:#4d557a;padding-left:18px;position:relative;line-height:1.7;
}
.flow-card li::before{
 content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;
 background:var(--gold);transform:rotate(45deg);
}

/* ===== 场景板块 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
 background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius-lg);padding:26px 22px;color:#dfe4f5;
 transition:transform .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.scene-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.4);}
.scene-card h3{font-size:1rem;color:#fff;font-weight:800;margin-bottom:10px;}
.scene-card p{font-size:.86rem;color:#b6bfdd;line-height:1.9;}
.scene-card .scene-fix{
 display:block;margin-top:16px;font-size:.8rem;color:var(--gold-lt);font-weight:700;
 padding-top:14px;border-top:1px dashed rgba(255,255,255,.15);
}

/* ===== 自查图文 ===== */
.check-split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:48px;align-items:center;}
.check-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.check-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s var(--ease);}
.check-figure:hover img{transform:scale(1.04);}
.check-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:34px 22px 18px;
 background:linear-gradient(180deg,transparent,rgba(17,20,44,.86));
 color:#fff;font-size:.82rem;font-weight:700;
}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{
 display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 18px;box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.check-list li:hover{transform:translateX(4px);border-color:rgba(255,180,0,.55);}
.check-ico{
 flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold-dk);font-weight:900;font-size:.78rem;
}
.check-list h3{font-size:.92rem;font-weight:800;color:var(--ink);margin-bottom:4px;}
.check-list p{font-size:.84rem;color:var(--muted);line-height:1.8;}

/* ===== 数值对照表 ===== */
.num-table{
 width:100%;border-collapse:separate;border-spacing:0;background:#fff;
 border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
}
.num-table thead th{
 background:linear-gradient(120deg,#1a1f3d,#2a3160);color:#fff;
 font-size:.83rem;font-weight:800;letter-spacing:.04em;padding:16px 20px;text-align:left;
 border-bottom:1px solid rgba(255,255,255,.12);
}
.num-table tbody td{
 padding:16px 20px;font-size:.88rem;color:#3c4468;border-bottom:1px solid var(--line);
 vertical-align:top;line-height:1.8;
}
.num-table tbody tr:last-child td{border-bottom:0;}
.num-table tbody tr:hover td{background:#fafbff;}
.num-table td strong{color:var(--ink);font-weight:800;}
.num-table td .mini-tag{
 display:inline-block;font-size:.72rem;font-weight:800;color:#9a6b00;
 background:rgba(255,180,0,.14);border-radius:999px;padding:2px 9px;margin-left:6px;
}
.table-note{font-size:.78rem;color:var(--muted);margin-top:14px;line-height:1.8;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .24s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:0 10px 26px rgba(26,31,61,.1);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
 font-size:.95rem;font-weight:800;color:var(--ink);line-height:1.65;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:rgba(26,31,61,.06);color:var(--ink);font-weight:900;font-size:1rem;
 transition:.24s var(--ease);
}
.faq-item[open] summary::after{content:"–";background:var(--gold);color:#1a1f3d;}
.faq-item summary:hover{color:var(--gold-dk);}
.faq-body{padding:0 20px 20px;font-size:.88rem;color:var(--muted);line-height:1.95;}

/* ===== CTA ===== */
.subscribe-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(128deg,#1a1f3d 0%,#262e5c 58%,#1b2350 100%);
 color:#fff;padding:46px 44px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
 gap:32px;align-items:center;box-shadow:0 24px 56px rgba(20,25,54,.28);
}
.subscribe-band::before{
 content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.3),transparent 68%);
}
.subscribe-band h2{font-size:clamp(1.2rem,2vw,1.6rem);font-weight:900;margin-bottom:12px;line-height:1.45;}
.subscribe-band p{font-size:.9rem;color:#c0c8e2;line-height:1.9;max-width:560px;}
.subscribe-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;}

/* ===== 页脚 ===== */
.site-footer{background:#11142c;color:#a7b0d0;margin-top:auto;padding-top:52px;}
.footer-inner{
 display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
 gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.09);align-items:start;
}
.footer-brand{display:flex;gap:14px;align-items:flex-start;}
.footer-brand strong{display:block;color:#fff;font-size:1rem;font-weight:800;margin-bottom:8px;}
.footer-brand p{font-size:.84rem;color:#8f98bd;line-height:1.85;max-width:520px;}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:flex-end;align-items:flex-start;}
.footer-links a{font-size:.85rem;color:#a7b0d0;font-weight:600;position:relative;padding-bottom:2px;}
.footer-links a::after{
 content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);
 transition:width .26s var(--ease);
}
.footer-links a:hover{color:#fff;}
.footer-links a:hover::after{width:100%;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
 padding:20px 0 26px;font-size:.78rem;color:#6f7899;
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
 :root{--nav-w:228px;}
 .shell-wrap{padding:0 22px;}
 .stage-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .hero-inner{gap:36px;}
}
@media (max-width:991.98px){
 .side-nav{transform:translateX(-100%);box-shadow:0 0 60px rgba(0,0,0,.5);}
 .side-nav.is-open{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
 .hero{padding:48px 0 56px;}
 .hero-inner{grid-template-columns:1fr;}
 .hero-lead{max-width:100%;}
 .flow-grid{grid-template-columns:1fr;gap:16px;}
 .scene-grid{grid-template-columns:1fr;gap:16px;}
 .check-split{grid-template-columns:1fr;gap:28px;}
 .subscribe-band{grid-template-columns:1fr;padding:34px 26px;}
 .subscribe-actions{justify-content:flex-start;}
 .footer-inner{grid-template-columns:1fr;gap:24px;}
 .footer-links{justify-content:flex-start;}
 .section{padding:54px 0;}
}
@media (max-width:767.98px){
 .shell-wrap{padding:0 16px;}
 .hero h1{font-size:1.6rem;}
 .hero-facts{gap:18px;}
 .hero-fact strong{font-size:1.2rem;}
 .stage-grid{grid-template-columns:1fr;}
 .num-table thead{display:none;}
 .num-table,.num-table tbody,.num-table tr,.num-table td{display:block;width:100%;}
 .num-table{border:0;background:transparent;box-shadow:none;}
 .num-table tbody tr{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;box-shadow:var(--shadow-sm);overflow:hidden;
 }
 .num-table tbody td{border-bottom:1px solid var(--line);padding:12px 16px;font-size:.85rem;}
 .num-table tbody td:last-child{border-bottom:0;}
 .num-table tbody td::before{
  content:attr(data-label);display:block;font-size:.72rem;font-weight:800;
  color:var(--muted);letter-spacing:.06em;margin-bottom:4px;
 }
 .faq-item summary{font-size:.9rem;padding:16px 46px 16px 16px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
 .hero-actions{gap:10px;}
 .btn{padding:12px 20px;font-size:.88rem;width:100%;}
 .hero-actions .btn{width:100%;}
 .subscribe-actions .btn{width:100%;}
 .stage-panel{padding:20px 16px;}
 .seg-switch{flex-wrap:wrap;}
 .seg-btn{flex:1 1 45%;}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-2:#252c55;
 --ink-deep:#11142c;
 --gold:#ffb400;
 --gold-lt:#ffd166;
 --gold-dk:#c58a00;
 --cyan:#49d7e8;
 --bg:#f3f4fa;
 --card:#ffffff;
 --text:#1c2039;
 --muted:#68708f;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 16px 40px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.32);
 --nav-w:254px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--bg);color:var(--text);line-height:1.75;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);}
p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}

/* ===== 左侧导航 ===== */
.side-nav{
 position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:1050;
 padding:24px 16px 22px;display:flex;flex-direction:column;overflow-y:auto;
 background:linear-gradient(180deg,#1c2246 0%,#1a1f3d 46%,#111530 100%);
 color:#c3cae4;border-right:1px solid rgba(255,255,255,.07);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;padding:2px 8px 22px;}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;
 font-weight:900;font-size:1.12rem;color:#1a1f3d;
 background:linear-gradient(140deg,#ffd166,#ffb400 60%,#e59f00);
 box-shadow:0 8px 20px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:1rem;color:#fff;line-height:1.3;}
.brand-text small{font-size:.7rem;font-weight:600;color:#8f98bd;letter-spacing:.16em;margin-top:3px;}
.nav-group-title{font-size:.7rem;letter-spacing:.2em;color:#767f9f;margin:14px 12px 10px;font-weight:700;}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-link{
 display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:11px;
 color:#c3cae4;font-size:.92rem;font-weight:600;
 transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.side-link .dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.28);flex:0 0 6px;}
.side-link:hover{background:rgba(255,255,255,.09);color:#fff;}
.side-link.is-active{
 background:linear-gradient(135deg,rgba(255,209,102,.20),rgba(255,180,0,.10));
 color:#ffd166;box-shadow:inset 0 0 0 1px rgba(255,180,0,.32);
}
.side-link.is-active .dot{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);}
.side-cta{
 display:block;text-align:center;margin-top:auto;padding:12px 14px;border-radius:11px;
 background:linear-gradient(135deg,#ffd166,#ffb400 62%,#f0a500);
 color:#1a1f3d;font-weight:800;font-size:.88rem;box-shadow:var(--shadow-gold);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,180,0,.44);color:#12162d;}
.side-note{font-size:.72rem;color:#767f9f;margin-top:14px;padding:0 8px;line-height:1.7;}

/* ===== 主区域 ===== */
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.mobile-bar{
 display:none;position:sticky;top:0;z-index:1020;align-items:center;gap:12px;
 padding:11px 18px;background:rgba(23,28,56,.97);backdrop-filter:blur(10px);
 border-bottom:1px solid rgba(255,255,255,.08);color:#fff;
}
.mobile-bar .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:.92rem;border-radius:10px;}
.bar-title{font-weight:800;font-size:.95rem;letter-spacing:.01em;}
.menu-btn{
 margin-left:auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
 transition:background .22s var(--ease);
}
.menu-btn:hover{background:rgba(255,255,255,.16);}
.nav-scrim{
 position:fixed;inset:0;z-index:1040;background:rgba(10,13,32,.58);
 backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.28s var(--ease);
}
.nav-scrim.is-open{opacity:1;visibility:visible;}

.shell,.shell-wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 28px;}

/* ===== 按钮 / 标签 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;font-weight:800;font-size:.94rem;
 border:1px solid transparent;cursor:pointer;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{background:linear-gradient(135deg,#ffd166,#ffb400 58%,#efa200);color:#1a1f3d;box-shadow:var(--shadow-gold);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.46);color:#12162d;}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.07);color:#e8ecf8;border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--gold);background:rgba(255,180,0,.10);transform:translateY(-2px);}
.tag{
 display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
 background:rgba(255,180,0,.16);color:#9a6b00;font-size:.73rem;font-weight:800;letter-spacing:.04em;
}

/* ===== 分类 Hero（创作者主页头图） ===== */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:66px 0 74px;}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.38;}
.cat-hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(760px 420px at 12% 6%,rgba(73,215,232,.18),transparent 60%),
 radial-gradient(680px 380px at 88% 90%,rgba(255,180,0,.20),transparent 62%),
 linear-gradient(115deg,rgba(17,20,44,.97) 8%,rgba(26,31,61,.88) 52%,rgba(26,31,61,.62) 100%);
}
.cat-hero-inner{position:relative;}
.creator-card{display:flex;gap:28px;align-items:flex-start;max-width:960px;}
.creator-avatar{
 width:96px;height:96px;flex:0 0 96px;border-radius:26px;display:grid;place-items:center;
 font-size:2rem;font-weight:900;color:#1a1f3d;
 background:linear-gradient(140deg,#ffd166,#ffb400 60%,#e59f00);
 box-shadow:0 16px 40px rgba(255,180,0,.4);
}
.creator-meta{min-width:0;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 color:var(--gold-lt);font-size:.78rem;font-weight:700;letter-spacing:.08em;
}
.cat-hero h1{
 font-size:clamp(1.72rem,3vw,2.52rem);color:#fff;margin:18px 0 16px;
 text-shadow:0 6px 28px rgba(0,0,0,.35);letter-spacing:-.01em;
}
.creator-sub{color:#c3cae4;font-size:1rem;line-height:1.95;max-width:720px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0;}
.stat-badge{
 padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.16);font-size:.8rem;color:#dfe4f5;
}
.stat-badge b{color:#ffd166;font-weight:800;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ===== 板块通用 ===== */
.sec{padding:76px 0;}
.sec-alt{background:#fff;}
.sec-tint{background:linear-gradient(180deg,#f7f8fd 0%,#eef0f9 100%);}
.sec-dark{background:linear-gradient(160deg,#1a1f3d 0%,#141834 56%,#11142c 100%);color:#fff;}
.sec-head{max-width:740px;margin-bottom:40px;}
.kicker{
 display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.18em;
 color:var(--gold-dk);text-transform:uppercase;
}
.sec-dark .kicker{color:var(--gold-lt);}
.sec-title{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;margin:12px 0 14px;letter-spacing:-.01em;}
.sec-dark .sec-title{color:#fff;}
.sec-lead{color:var(--muted);font-size:.97rem;line-height:1.9;}
.sec-dark .sec-lead{color:#b7bfdd;}

/* ===== 卡片网格 ===== */
.cards{display:grid;gap:22px;}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.cards-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:26px;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.42);}
.card h3{font-size:1.05rem;font-weight:800;margin:14px 0 10px;}
.card p{color:var(--muted);font-size:.92rem;line-height:1.85;}
.card-index{
 font-size:.76rem;font-weight:900;letter-spacing:.16em;color:var(--gold-dk);
 display:inline-flex;padding:3px 10px;border-radius:8px;background:rgba(255,180,0,.13);
}
.scene-card{padding:0;overflow:hidden;}
.scene-card img{width:100%;height:184px;object-fit:cover;}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{margin-top:0;}
.scene-body .tag{margin-bottom:12px;}

/* ===== 流程步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
 padding:24px;border-radius:var(--radius-lg);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
 transition:background .26s var(--ease),transform .26s var(--ease),border-color .26s var(--ease);
}
.step:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.42);transform:translateY(-4px);}
.step-num{font-size:.78rem;font-weight:900;letter-spacing:.18em;color:#ffd166;}
.step h3{color:#fff;font-size:1rem;margin:10px 0 10px;}
.step p{color:#b7bfdd;font-size:.9rem;line-height:1.8;}

/* ===== 误区对照 ===== */
.mis-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);height:100%;}
.mis-card h3{font-size:1.02rem;margin-bottom:6px;}
.mis-row{display:flex;gap:12px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line);}
.mis-row:last-child{border-bottom:0;padding-bottom:0;}
.pill{
 flex:0 0 auto;font-size:.72rem;font-weight:800;padding:3px 10px;border-radius:999px;letter-spacing:.04em;
}
.pill-bad{background:#fdeeec;color:#a5453a;}
.pill-good{background:#e9f5ef;color:#1f6a50;}
.mis-row p{font-size:.9rem;color:var(--muted);line-height:1.8;}
.mis-row p strong{color:var(--ink);}

/* ===== 数据指标 ===== */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.metric b{display:block;font-size:1.95rem;line-height:1.2;color:var(--ink);font-weight:900;}
.metric b span{font-size:1rem;}
.metric small{display:block;margin-top:8px;color:var(--muted);font-size:.82rem;}

/* ===== 速览列表 ===== */
.news-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.news-card img{width:100%;height:146px;object-fit:cover;}
.news-body{padding:20px 22px 24px;}
.news-body h3{font-size:.98rem;margin:10px 0 8px;}
.news-body p{font-size:.87rem;color:var(--muted);}

/* ===== FAQ ===== */
.faq{display:grid;gap:14px;max-width:880px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2px 22px;box-shadow:var(--shadow-sm);transition:border-color .22s var(--ease);}
.faq-item:hover{border-color:rgba(255,180,0,.42);}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 0;font-weight:800;font-size:.98rem;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";font-size:1.2rem;color:var(--gold-dk);font-weight:800;line-height:1;
 transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 0 18px;color:var(--muted);font-size:.92rem;line-height:1.9;}

/* ===== 订阅 ===== */
.subscribe{
 background:linear-gradient(135deg,#1a1f3d 0%,#252c55 62%,#1c2a52 100%);
 border-radius:var(--radius-lg);padding:46px;color:#fff;
 display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
 box-shadow:var(--shadow-md);
}
.subscribe h2{color:#fff;font-size:clamp(1.24rem,2vw,1.7rem);margin-bottom:12px;}
.subscribe p{color:#c3cae4;font-size:.93rem;line-height:1.9;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px;}
.sub-form input[type="email"]{
 flex:1 1 210px;min-width:0;padding:13px 20px;border-radius:999px;
 border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.09);color:#fff;
 font-size:.92rem;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.sub-form input[type="email"]::placeholder{color:#9aa4c8;}
.sub-form input[type="email"]:focus{background:rgba(255,255,255,.15);border-color:rgba(255,180,0,.7);}
.form-note{font-size:.78rem;color:#9aa4c8;margin-top:12px;}
.form-msg{margin-top:12px;font-size:.86rem;font-weight:700;color:#ffd166;min-height:1.2em;}

/* ===== 收口 CTA ===== */
.final-band{
 background:linear-gradient(120deg,#ffd166 0%,#ffb400 58%,#f0a500 100%);
 border-radius:var(--radius-lg);padding:42px 44px;color:#1a1f3d;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
 box-shadow:var(--shadow-gold);
}
.final-band h2{color:#1a1f3d;font-size:clamp(1.2rem,2vw,1.62rem);margin-bottom:8px;}
.final-band p{color:#4a4022;font-size:.92rem;max-width:560px;}
.final-band .btn{background:#1a1f3d;color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.32);}
.final-band .btn:hover{background:#11142c;color:#ffd166;transform:translateY(-2px);}

/* ===== 页脚 ===== */
.site-footer{background:#11142c;color:#a9b1cf;padding:56px 0 26px;}
.footer-inner{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:flex-start;}
.footer-brand{display:flex;gap:14px;max-width:560px;}
.footer-brand .brand-mark{width:38px;height:38px;flex-basis:38px;font-size:1rem;border-radius:11px;}
.footer-brand strong{color:#fff;font-size:1rem;display:block;margin-bottom:8px;}
.footer-brand p{font-size:.86rem;color:#8f98bd;line-height:1.75;}
.footer-links{display:flex;flex-wrap:wrap;gap:18px;font-size:.88rem;align-items:center;}
.footer-links a{color:#c3cae4;}
.footer-links a:hover{color:var(--gold-lt);}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;
 font-size:.8rem;color:#7b84a8;
}
.footer-bottom p{margin:0;}

/* ===== 响应式 ===== */
@media (max-width:1100px){
 :root{--nav-w:230px;}
 .cards-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
 .side-nav{
  transform:translateX(-104%);width:276px;
  transition:transform .3s var(--ease);
  box-shadow:0 24px 60px rgba(0,0,0,.4);
 }
 .side-nav.is-open{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
 .subscribe{grid-template-columns:1fr;padding:34px;}
}
@media (max-width:767px){
 .shell,.shell-wrap{padding:0 18px;}
 .sec{padding:54px 0;}
 .cat-hero{padding:48px 0 56px;}
 .creator-card{flex-direction:column;gap:20px;}
 .creator-avatar{width:74px;height:74px;flex-basis:74px;font-size:1.5rem;border-radius:20px;}
 .cards-2,.cards-3,.cards-4{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .sec-head{margin-bottom:28px;}
 .final-band{padding:30px 26px;}
 .final-band .btn{width:100%;}
 .footer-inner{gap:22px;}
}
@media (max-width:520px){
 .hero-actions{gap:10px;}
 .hero-actions .btn{flex:1 1 100%;}
 .stat-badges{gap:8px;}
 .stat-badge{font-size:.75rem;}
 .sub-form input[type="email"]{flex:1 1 100%;}
 .sub-form .btn{flex:1 1 100%;}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
 .metric{padding:18px 12px;}
 .metric b{font-size:1.5rem;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}