/* roulang page: index */
/* ============ 1. 设计变量 ============ */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --danger:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --r-lg:18px;
  --r-md:12px;
  --r-img:14px;
  --r-badge:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5),0 0 0 1px rgba(255,106,43,.35);
  --t:220ms ease-out;
  --container:1200px;
}

/* ============ 2. reset 与基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t)}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:0}
h1{font-size:56px}
h2{font-size:36px;font-weight:800}
h3{font-size:22px;font-weight:700}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,106,43,.32)}

/* ============ 3. 排版辅助 ============ */
.eyebrow{font-size:13px;color:var(--text-3);letter-spacing:0}
.text-2{color:var(--text-2)}
.text-3{color:var(--text-3)}
.mono{font-variant-numeric:tabular-nums}

/* ============ 4. 容器与栅格 ============ */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ============ 5. 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,16,25,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--t),border-color var(--t);
}
.site-header.is-scrolled{background:rgba(14,10,20,.9);border-bottom-color:var(--line-strong)}
.header-inner{
  max-width:1280px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(255,106,43,.3);
}
.logo-mark svg{width:20px;height:20px;stroke:#14101A}
.logo-text{font-size:17px;font-weight:800;line-height:1.15;max-width:150px}
.logo-text span{display:block;font-size:12px;font-weight:400;color:var(--text-3);margin-top:2px;max-width:150px}

.nav-cards{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.nav-card{
  display:flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  position:relative;transition:background-color var(--t),border-color var(--t),transform var(--t);
}
.nav-card:hover{background:var(--surface-2);transform:translateY(-2px);border-color:var(--line-strong)}
.nav-card:hover .nav-card-icon svg{stroke:var(--primary)}
.nav-card-icon svg{width:20px;height:20px;stroke:var(--text-2);fill:none;stroke-width:1.7;transition:stroke var(--t)}
.nav-card-text{display:flex;flex-direction:column;line-height:1.25;white-space:nowrap}
.nav-card-text b{font-size:13px;font-weight:600}
.nav-card-text i{font-style:normal;font-size:12px;color:var(--text-3)}
.nav-card.is-active{background:var(--surface-2);border-color:var(--line-strong)}
.nav-card.is-active .nav-card-icon svg{stroke:var(--primary)}
.nav-card.is-active .nav-card-text b{color:var(--text);font-weight:700}
.nav-card.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;
  border-radius:3px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);transition:background-color var(--t),border-color var(--t),transform var(--t);
}
.icon-btn svg{width:18px;height:18px;stroke:var(--text-2);fill:none;stroke-width:1.8;transition:stroke var(--t)}
.icon-btn:hover{background:var(--surface-2);border-color:var(--line-strong);transform:translateY(-2px)}
.icon-btn:hover svg{stroke:var(--primary)}
.hamburger{display:none}

.search-panel{
  display:none;border-top:1px solid var(--line);background:rgba(14,10,20,.96);
}
.search-panel.is-open{display:block}
.search-inner{max-width:1280px;margin:0 auto;padding:16px 24px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.search-inner input{
  flex:1;min-width:220px;padding:14px 16px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:border-color var(--t),box-shadow var(--t);
}
.search-inner input::placeholder{color:var(--text-3)}
.search-inner input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,43,.18)}
.search-tip{font-size:12px;color:var(--text-3);width:100%}

/* 抽屉导航 */
.drawer{
  display:none;position:fixed;inset:0;z-index:120;
  background:rgba(14,10,20,.98);padding:20px 20px 32px;overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer .nav-card{padding:12px;flex-direction:column;align-items:flex-start;gap:6px}
.drawer .nav-card-text b{font-size:15px}
.drawer .nav-card-text i{font-size:13px}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:12px}

/* ============ 6. 按钮族 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:background-color var(--t),color var(--t),transform var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.btn-primary{background:var(--primary);color:#14101A;box-shadow:0 8px 22px rgba(255,106,43,.28)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,106,43,.36)}
.btn-primary:active{background:var(--primary-press);transform:translateY(0)}
.btn-outline{border:1px solid var(--line-strong);color:var(--text);border-radius:12px;background:transparent}
.btn-outline:hover{border-color:var(--primary);background:rgba(255,106,43,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost-outline{border:1px solid var(--line-strong);color:var(--text);background:transparent}
.btn-ghost-outline:hover{border-color:var(--primary);background:rgba(255,106,43,.08);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;
  padding-bottom:2px;border-bottom:1px solid transparent;
}
.link-more:hover{color:var(--primary);border-bottom-color:var(--primary)}
.link-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ============ 7. 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);font-size:12px;line-height:1.5;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
}
.badge-cat{background:rgba(123,91,255,.2);border-color:rgba(123,91,255,.32);color:#B7A6FF}
.badge-status{background:rgba(63,224,190,.2);border-color:rgba(63,224,190,.32);color:var(--accent)}
.badge-soft{background:rgba(255,106,43,.16);border-color:rgba(255,106,43,.32);color:var(--primary-hover)}
.dot{width:6px;height:6px;border-radius:999px;background:var(--accent);display:inline-block;flex-shrink:0}
.dot-primary{background:var(--primary)}
.dot-secondary{background:var(--secondary)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:var(--surface);border:1px solid var(--line);transition:all var(--t);
}
.chip:hover{color:var(--text);border-color:var(--line-strong)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#14101A;font-weight:600}

/* ============ 8. 板块通用 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-deep)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-sub{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px}
.section-line{height:1px;background:var(--line);margin-bottom:36px}

/* ============ 9. Hero ============ */
.hero{position:relative;min-height:600px;display:flex;align-items:flex-end;overflow:hidden;background:var(--bg-deep)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,10,20,.97) 0%,rgba(14,10,20,.88) 38%,rgba(14,10,20,.42) 72%,rgba(14,10,20,.2) 100%);
}
.hero-bg::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:180px;z-index:2;
  background:linear-gradient(180deg,rgba(14,10,20,0) 0%,rgba(20,16,25,.9) 100%);
}
.hero-inner{position:relative;z-index:3;width:100%;padding-bottom:76px;padding-top:120px}
.hero-content{max-width:640px}
.hero h1{margin:18px 0 0;font-size:56px;font-weight:800;line-height:1.12}
.hero-sub{font-size:17px;line-height:1.8;color:#D6D0E0;margin-top:18px;max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-float{
  position:absolute;right:0;bottom:76px;width:210px;
  background:rgba(30,24,40,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow);
}
.hero-float-num{font-size:38px;font-weight:800;line-height:1.1;margin-top:10px}
.hero-float-label{font-size:13px;color:var(--text-2);margin-top:2px}
.hero-float-line{height:1px;background:var(--line);margin:14px 0}
.hero-float-meta{font-size:12px;color:var(--text-3);line-height:1.7}

/* ============ 10. 横滑片库 ============ */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-btn{
  position:absolute;top:38%;z-index:5;width:40px;height:40px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  transition:background-color var(--t),border-color var(--t),transform var(--t);
}
.rail-btn svg{width:16px;height:16px;stroke:var(--text);fill:none;stroke-width:2}
.rail-btn:hover{background:var(--surface-2);border-color:var(--primary);transform:translateY(-2px)}
.rail-btn.prev{left:-20px}
.rail-btn.next{right:-20px}
.poster{
  min-width:200px;width:200px;scroll-snap-align:start;
  transition:transform var(--t);
}
.poster-link{display:block}
.poster-media{
  position:relative;aspect-ratio:2/3;border-radius:var(--r-img);overflow:hidden;
  background:linear-gradient(120deg,var(--surface),var(--surface-2),var(--surface));
  background-size:200% 100%;
}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.poster-link:hover .poster-media img{transform:scale(1.04)}
.poster-link:hover .poster-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.poster-cat{position:absolute;left:10px;top:10px}
.poster-status{position:absolute;right:10px;top:10px}
.poster-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.85);
  width:44px;height:44px;border-radius:999px;background:rgba(255,106,43,.92);
  display:flex;align-items:center;justify-content:center;opacity:0;
  transition:opacity var(--t),transform var(--t);
}
.poster-play svg{width:16px;height:16px;fill:#14101A;stroke:none}
.poster h3{
  font-size:15px;font-weight:600;margin-top:12px;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-link:hover h3{color:var(--primary)}

/* ============ 11. 卡片族 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.card-media{border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);position:relative}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card h3{font-size:17px;font-weight:600;margin-top:14px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card p{font-size:14px;color:var(--text-2);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 热播推荐 */
.recom{align-items:stretch}
.feature-card{
  grid-column:span 7;display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform var(--t),box-shadow var(--t);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.fc-media{position:relative;aspect-ratio:16/9;background:var(--surface-2)}
.fc-media img{width:100%;height:100%;object-fit:cover}
.fc-body{padding:26px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.fc-body h3{font-size:22px;font-weight:700;line-height:1.3}
.fc-body p{font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fc-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--text-3)}
.mini-grid{grid-column:span 5;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.mini-card .card-media{aspect-ratio:16/10}
.mini-card h3{font-size:15px;font-weight:600;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card span.mini-tag{font-size:12px;color:var(--text-3);display:block;margin-top:6px}

/* ============ 12. 片单分区 ============ */
.block{padding:72px 0;border-top:1px solid var(--line)}
.block:first-of-type{border-top:0}
.block-head{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin-bottom:28px;flex-wrap:wrap;
}
.block-head h2{font-size:28px}

.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.poster-card{background:transparent;border:0;padding:0;transition:transform var(--t)}
.poster-card:hover{transform:translateY(-4px)}
.poster-card .card-media{aspect-ratio:2/3;border-radius:var(--r-img)}
.poster-card h3{font-size:16px;font-weight:600;margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-card p{font-size:13px;color:var(--text-3);margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

.stagger{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start}
.stagger-side{display:flex;flex-direction:column;gap:24px}
.stagger .card:nth-child(2){margin-top:0}
.stagger-side .card:first-child{padding-top:0}
.stagger-side .card:last-child{margin-top:0}

.row-list{display:flex;flex-direction:column;gap:14px}
.row-item{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.row-item:hover{transform:translateY(-4px);border-color:transparent;box-shadow:var(--shadow-hover)}
.row-thumb{width:96px;height:64px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--surface-2)}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-body{flex:1;min-width:0}
.row-body h3{font-size:16px;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.row-body p{font-size:13px;color:var(--text-2);margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-arrow{
  width:36px;height:36px;border-radius:999px;flex-shrink:0;
  background:var(--surface-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:all var(--t);
}
.row-arrow svg{width:15px;height:15px;stroke:var(--text-2);fill:none;stroke-width:2;transition:stroke var(--t)}
.row-item:hover .row-arrow{background:var(--primary);border-color:var(--primary)}
.row-item:hover .row-arrow svg{stroke:#14101A}

.wide-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.wide-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform var(--t),box-shadow var(--t);
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.wide-card .card-media{aspect-ratio:16/9;border-radius:0}
.wide-body{padding:22px}
.wide-body h3{font-size:19px;font-weight:700;margin-top:0}
.wide-body p{font-size:14px;color:var(--text-2);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wide-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12px;color:var(--text-3)}

/* ============ 13. 最新信息列表（CMS 区） ============ */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;gap:18px;align-items:stretch;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px;transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.news-item:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45);box-shadow:var(--shadow-hover)}
.news-thumb{
  width:160px;height:100px;flex-shrink:0;border-radius:var(--r-md);overflow:hidden;
  background:var(--surface-2);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;padding:4px 0}
.news-title{font-size:17px;font-weight:600;line-height:1.45}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--primary)}
.news-sum{font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);
  margin-top:auto;padding-top:6px;
}
.meta-dot{width:3px;height:3px;border-radius:999px;background:var(--text-3)}
.meta-arrow{margin-left:auto;color:var(--primary);font-size:14px;transition:transform var(--t)}
.news-item:hover .meta-arrow{transform:translateX(4px)}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;background:rgba(30,24,40,.5);
}
.empty-state svg{width:56px;height:56px;margin:0 auto 16px;stroke:var(--text-3);fill:none;stroke-width:1.4}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px}

/* 骨架态 */
.skeleton{position:relative;overflow:hidden;background:var(--surface-2)}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
  animation:skeletonPulse 1.6s ease-in-out infinite;
}
@keyframes skeletonPulse{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ============ 14. FAQ ============ */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 48px 22px 20px;font-size:17px;font-weight:600;
  transition:color var(--t),padding-left var(--t);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity var(--t);
}
.faq-q::after{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--text-2);transition:transform var(--t),color var(--t);
}
.faq-item[open] .faq-q{padding-left:28px;color:var(--text)}
.faq-item[open] .faq-q::before{opacity:1}
.faq-item[open] .faq-q::after{transform:translateY(-50%) rotate(45deg);color:var(--primary)}
.faq-q:hover{color:var(--primary-hover)}
.faq-a{padding:0 48px 26px 28px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ 15. CTA ============ */
.cta{position:relative;background:var(--bg-deep);overflow:hidden;text-align:center;padding:96px 0}
.cta::before{
  content:"";position:absolute;left:-10%;top:-40%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.28),transparent 68%);
}
.cta::after{
  content:"";position:absolute;right:-8%;bottom:-45%;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,91,255,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;padding:0 24px}
.cta h2{font-size:36px}
.cta p{font-size:16px;color:var(--text-2);margin-top:16px}
.cta-actions{display:flex;gap:14px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.cta-band{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent))}

/* ============ 16. 表单 ============ */
.field{display:flex;flex-direction:column;gap:6px;width:100%}
.field label{font-size:13px;color:var(--text-2)}
.field input{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;color:var(--text);transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,43,.18)}
.field.has-error input{border-color:var(--danger)}
.field .err{font-size:12px;color:var(--danger);display:none}
.field.has-error .err{display:block}

/* ============ 17. 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);position:relative;padding-top:72px}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:56px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color var(--t)}
.footer-col a:hover{color:var(--primary)}
.footer-sub .subscribe-form{display:flex;gap:10px;margin-top:6px}
.footer-sub .subscribe-form .btn{padding:0 20px;border-radius:var(--r-md)}
.footer-bottom{
  border-top:1px solid var(--line);padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .fb-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ============ 18. 响应式 ============ */
@media (max-width:1280px){
  .rail-btn.prev{left:-8px}
  .rail-btn.next{right:-8px}
  .header-inner{padding:12px 20px;gap:16px}
  .nav-card-text i{display:none}
}
@media (max-width:1024px){
  h1{font-size:42px}
  .hero h1{font-size:42px}
  h2{font-size:30px}
  .section{padding:72px 0}
  .cta{padding:72px 0}
  .nav-cards{display:none}
  .hamburger{display:flex}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .stagger{grid-template-columns:1fr}
  .feature-card{grid-column:span 12;grid-template-columns:1fr}
  .mini-grid{grid-column:span 12;grid-template-columns:repeat(4,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .wide-2{grid-template-columns:1fr}
}
@media (max-width:768px){
  h1{font-size:32px}
  .hero{min-height:380px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-inner{padding-top:96px;padding-bottom:56px}
  .hero-float{position:static;width:100%;margin-top:32px}
  .hero-bg::after{background:linear-gradient(180deg,rgba(14,10,20,.7) 0%,rgba(14,10,20,.94) 70%)}
  h2{font-size:24px}
  h3{font-size:18px}
  .section{padding:56px 0}
  .block{padding:48px 0}
  .container{padding:0 16px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .rail-btn{display:none}
  .poster{min-width:150px;width:150px}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/10}
  .row-item{gap:12px;padding:12px}
  .row-thumb{width:84px;height:56px}
  .faq-q{font-size:16px;padding:18px 44px 18px 16px}
  .faq-a{padding:0 24px 22px 24px}
  .cta h2{font-size:24px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-sub .subscribe-form{flex-direction:column}
  .footer-sub .subscribe-form .btn{width:100%;padding:14px 20px}
}
@media (max-width:480px){
  h1{font-size:28px}
  .hero h1{font-size:28px}
  .btn{padding:12px 20px;font-size:14px}
  .poster-grid{grid-template-columns:1fr 1fr;gap:14px}
  .section-head{flex-direction:column;align-items:flex-start}
  .hero-float-num{font-size:30px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --danger:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --ease:220ms cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:0}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,16,25,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(14,10,20,.94);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{
  max-width:1360px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#FF9A5B);
  color:#14101A;
}
.logo-mark svg{width:22px;height:22px;stroke:#14101A;fill:none}
.logo-text{
  font-size:17px;font-weight:800;line-height:1.15;color:var(--text);
  display:flex;flex-direction:column;
}
.logo-text span{font-size:12px;font-weight:400;color:var(--text-3);margin-top:2px}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0}
.nav-card{
  display:flex;align-items:center;gap:10px;
  padding:12px;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line);
  position:relative;min-width:0;
  transition:background-color var(--ease),border-color var(--ease),transform var(--ease);
}
.nav-card:hover{background:var(--surface-2);transform:translateY(-2px)}
.nav-card-icon{width:20px;height:20px;flex:0 0 20px;color:var(--text-2);transition:color var(--ease)}
.nav-card-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2}
.nav-card:hover .nav-card-icon{color:var(--primary)}
.nav-card-text{display:flex;flex-direction:column;min-width:0;white-space:nowrap}
.nav-card-text b{font-size:14px;font-weight:600;color:var(--text)}
.nav-card-text i{font-size:12px;font-style:normal;color:var(--text-3)}
.nav-card.is-active{background:var(--surface-2)}
.nav-card.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;
  background:var(--primary);border-radius:3px 3px 0 0;
}
.nav-card.is-active .nav-card-icon{color:var(--primary)}
.nav-card.is-active .nav-card-text b{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-2);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:var(--surface-2)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#14101A;box-shadow:0 8px 24px rgba(255,106,43,.28)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-press);transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,106,43,.08)}
.btn-line{background:transparent;color:var(--text);border:1px solid var(--line-strong);border-radius:12px}
.btn-line:hover{border-color:var(--primary);background:rgba(255,106,43,.08)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;background:var(--surface);border:1px solid var(--line);padding:11px 10px;flex-direction:column;justify-content:space-between}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.drawer{
  display:none;position:fixed;inset:0 0 0 0;z-index:120;
  background:var(--bg-deep);padding:22px 18px 28px;overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px}
.drawer-grid .nav-card{white-space:normal}
.drawer-grid .nav-card-text b{font-size:15px}
.drawer-cta{display:grid;gap:10px}
.drawer-cta .btn{width:100%}
.drawer-close{width:40px;height:40px;border-radius:999px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;color:var(--text)}
.drawer-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:36px;font-weight:800}
.section-head .sub{font-size:14px;color:var(--text-2);margin-top:8px}
.link-more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--primary-hover)}
.link-more svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:600;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
}
.badge-cat{background:rgba(123,91,255,.2);border-color:rgba(123,91,255,.35);color:#B9A6FF}
.badge-state{background:rgba(63,224,190,.18);border-color:rgba(63,224,190,.35);color:var(--accent)}
.dot{width:6px;height:6px;border-radius:999px;background:var(--accent);display:inline-block}

/* ============ 文章头部 ============ */
.article-hero{padding:28px 0 0;background:
  radial-gradient(900px 320px at 12% -10%,rgba(255,106,43,.16),transparent 70%),
  radial-gradient(700px 300px at 92% 0%,rgba(123,91,255,.18),transparent 72%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-2);margin-bottom:22px}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .bc-cur{color:var(--primary);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:48px;font-weight:800;line-height:1.15;max-width:960px;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--text-2);padding-bottom:28px}
.article-meta .sep{width:4px;height:4px;border-radius:999px;background:var(--text-3)}
.cover-wrap{
  aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);box-shadow:var(--shadow);
}
.cover-wrap img{width:100%;height:100%;object-fit:cover}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;
  padding:56px 0 96px;
}
.article-main{min-width:0}
.paper{
  background:var(--paper);color:var(--ink);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:0 18px 48px rgba(0,0,0,.4);
}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9}
.article-body>*+*{margin-top:18px}
.article-body p{color:var(--ink);line-height:1.9}
.article-body p:first-of-type{font-size:17px;color:#1D1826}
.article-body a{color:var(--primary-press);border-bottom:1px dashed var(--primary-press)}
.article-body a:hover{color:var(--primary)}
.article-body h2{
  position:relative;font-size:26px;font-weight:800;color:var(--ink);
  padding-left:12px;margin-top:36px;line-height:1.3;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;
  background:var(--primary);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink);margin-top:28px;line-height:1.35}
.article-body ul,.article-body ol{margin:18px 0;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--ink)}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:999px;background:var(--primary)}
.article-body ol{counter-reset:item;padding-left:0}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:10px;counter-increment:item;color:var(--ink)}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:4px;
  width:22px;height:22px;border-radius:999px;background:rgba(255,106,43,.14);
  color:var(--primary-press);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--secondary);
  background:#EFEAF8;border-radius:0 12px 12px 0;color:#3B3350;
}
.article-body blockquote p{color:#3B3350}
.article-body img{border-radius:12px;margin:24px auto;width:100%;height:auto;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12px;color:var(--ink-2);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid #E1DAD2}
.article-body thead th{background:#EFE9E2;font-weight:700}
.article-body tbody tr:nth-child(even){background:#F2EDE7}
.article-body code{background:#EBE5DE;padding:2px 6px;border-radius:6px;font-size:14px}

/* ============ 空态 ============ */
.empty-state{
  border:1px dashed rgba(36,31,44,.28);border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;color:var(--ink-2);background:#FBF9F7;
}
.empty-state svg{width:54px;height:54px;stroke:var(--primary);fill:none;stroke-width:1.6;margin:0 auto 16px}
.empty-state h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:14px;margin-bottom:20px;color:var(--ink-2)}
.empty-state .btn{border-color:rgba(36,31,44,.2);color:var(--ink);background:#fff}
.empty-state .btn:hover{border-color:var(--primary)}

/* ============ 标签与返回 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;align-items:center}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  font-size:13px;transition:color var(--ease),border-color var(--ease),background-color var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(255,106,43,.45);background:rgba(255,106,43,.08)}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ============ 侧栏 ============ */
.aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.widget{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow);
}
.widget h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.widget h3 svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:2}
.toc a{
  display:block;font-size:14px;color:var(--text-2);padding:9px 10px;
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.toc a:hover{color:var(--text);background:var(--surface-2)}
.toc a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(255,106,43,.08);font-weight:600}
.hot-list li+li{margin-top:10px}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:var(--radius-md);
  transition:background-color var(--ease),transform var(--ease);
}
.hot-list a:hover{background:var(--surface-2);transform:translateX(3px)}
.hot-num{
  flex:0 0 22px;height:22px;border-radius:6px;background:var(--surface-2);
  color:var(--text-3);font-size:12px;font-weight:700;display:grid;place-items:center;
}
.hot-list a:hover .hot-num{background:rgba(255,106,43,.18);color:var(--primary)}
.hot-title{font-size:14px;line-height:1.5;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list a:hover .hot-title{color:var(--text)}

/* ============ 继续浏览 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;gap:14px;align-items:center;padding:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
.related-thumb{width:96px;height:64px;flex:0 0 96px;border-radius:var(--radius-md);overflow:hidden;background:var(--surface-2)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-card h3{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:6px}
.related-card p{font-size:13px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-deep);text-align:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.cta-band::before{width:520px;height:520px;left:-140px;top:-220px;background:radial-gradient(circle,rgba(255,106,43,.26),transparent 68%)}
.cta-band::after{width:520px;height:520px;right:-160px;bottom:-260px;background:radial-gradient(circle,rgba(123,91,255,.24),transparent 68%)}
.cta-inner{position:relative;z-index:1;padding:96px 0;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:36px;margin-bottom:14px}
.cta-inner p{color:var(--text-2);margin-bottom:28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-light{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary))}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);position:relative;padding-top:4px}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px;padding:64px 0 48px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:340px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color var(--ease)}
.footer-col ul a:hover{color:var(--primary)}
.subscribe-form{margin-top:4px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input{
  width:100%;padding:14px;border-radius:12px;background:var(--surface);
  border:1px solid var(--line);color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,43,.18)}
.field .err{display:none;font-size:12px;color:var(--danger);margin-top:6px}
.field.has-error input{border-color:var(--danger)}
.field.has-error .err{display:block}
.subscribe-form .btn{width:100%}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.fb-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.meta-dot{width:4px;height:4px;border-radius:999px;background:var(--text-3);display:inline-block}

/* ============ 骨架与图片失败态 ============ */
.skeleton{background:var(--surface-2);position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.07),transparent);
  animation:pulse 1.4s infinite;
}
@keyframes pulse{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.img-fail{display:grid;place-items:center;background:var(--surface-2);color:var(--text-3)}
.img-fail svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:1.6}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .header-inner{padding:12px 20px;gap:16px}
  .nav-card-text i{display:none}
  .nav-card{padding:11px}
  .article-title{font-size:44px}
}
@media (max-width:1024px){
  .nav-cards{display:none}
  .hamburger{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .aside{position:static;top:auto}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .section-head h2{font-size:30px}
  .article-title{font-size:38px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .page-hero,.cta-inner{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .article-hero{padding:20px 0 0}
  .article-title{font-size:30px}
  .article-meta{font-size:13px;gap:10px;padding-bottom:20px}
  .paper{padding:24px;border-radius:14px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-body p:first-of-type{font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .drawer-grid{grid-template-columns:1fr}
  .article-layout{padding:32px 0 56px}
}
@media (max-width:480px){
  .logo-text{font-size:15px}
  .logo-text span{font-size:11px}
  .article-title{font-size:26px}
  .article-meta .sep{display:none}
  .paper{padding:20px}
  .btn{padding:11px 18px;font-size:14px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
/* ============ 1. 设计变量 ============ */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --error:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --ring:0 0 0 1px rgba(255,106,43,.35);
  --container:1200px;
  --pad-y:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --t:200ms ease-out;
}
/* ============ 2. reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
input,textarea{font:inherit;color:inherit}
::selection{background:rgba(255,106,43,.35)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
/* ============ 3. 排版基类 ============ */
h1{font-size:clamp(32px,4vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h3{font-size:22px;line-height:1.3;font-weight:700}
h4{font-size:16px;line-height:1.4;font-weight:700}
p{font-size:16px;line-height:1.75;color:var(--text-2)}
.lead{font-size:17px;color:var(--text-2);max-width:62ch}
.muted{color:var(--text-2);font-size:14px}
.mini{color:var(--text-3);font-size:12px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
/* ============ 4. 容器与栅格 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.container.wide{max-width:1280px}
.section{padding:var(--pad-y) 0;position:relative}
.section.tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head .sh-left{max-width:640px}
.section-head p{margin-top:10px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;transition:color var(--t),transform var(--t)}
.link-more:hover{color:var(--primary-hover);transform:translateX(3px)}
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
/* ============ 5. 按钮族 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--primary);color:#14101A;box-shadow:0 8px 22px rgba(255,106,43,.28)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-press);transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text);border-radius:12px}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,106,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.icon-btn{
  width:42px;height:42px;border-radius:999px;background:var(--surface);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{background:var(--surface-2);color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px)}
/* ============ 6. 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-badge);
  background:var(--surface-2);border:1px solid var(--line);font-size:12px;color:var(--text-2);line-height:1.5;
}
.badge-cat{background:rgba(123,91,255,.2);border-color:rgba(123,91,255,.32);color:#C3B4FF}
.badge-status{background:rgba(63,224,190,.16);border-color:rgba(63,224,190,.3);color:var(--accent)}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.badge-primary{background:rgba(255,106,43,.16);border-color:rgba(255,106,43,.32);color:var(--primary-hover)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--text-2);transition:all var(--t);cursor:pointer;
}
.chip:hover{border-color:var(--line-strong);color:var(--text);transform:translateY(-1px)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#14101A;font-weight:600}
/* ============ 7. 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(20,16,25,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:rgba(14,10,20,.9);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{
  max-width:1280px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#14101A;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;line-height:1.15;color:var(--text);letter-spacing:0}
.logo-text span{font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:0}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.nav-cards::-webkit-scrollbar{display:none}
.nav-card{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line);flex:0 0 auto;position:relative;
  transition:background-color var(--t),border-color var(--t),transform var(--t);
}
.nav-card-icon{width:20px;height:20px;color:var(--text-3);transition:color var(--t);flex:0 0 auto}
.nav-card-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9}
.nav-card-text{display:flex;flex-direction:column;line-height:1.2;white-space:nowrap}
.nav-card-text b{font-size:13px;font-weight:600;color:var(--text-2);transition:color var(--t)}
.nav-card-text i{font-size:11px;font-style:normal;color:var(--text-3)}
.nav-card:hover{background:var(--surface-2);transform:translateY(-2px)}
.nav-card:hover .nav-card-icon{color:var(--primary)}
.nav-card:hover .nav-card-text b{color:var(--text)}
.nav-card.is-active{background:var(--surface-2)}
.nav-card.is-active .nav-card-icon{color:var(--primary)}
.nav-card.is-active .nav-card-text b{color:var(--text)}
.nav-card.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;border-radius:3px;background:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;background:var(--surface);border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--t),opacity var(--t)}
.hamburger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-active span:nth-child(2){opacity:0}
.hamburger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;z-index:110;background:rgba(14,10,20,.97);
  padding:96px 20px 32px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity 220ms ease-out,transform 220ms ease-out,visibility 220ms;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-title{font-size:13px;color:var(--text-3);margin-bottom:12px}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.drawer-card{
  display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:var(--radius-md);
  background:var(--surface);border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--text);
}
.drawer-card span{font-size:12px;font-weight:400;color:var(--text-3)}
.drawer-card.is-active{border-color:rgba(255,106,43,.5);background:var(--surface-2)}
.drawer-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px}
/* ============ 8. 海报表头 ============ */
.hero-poster{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-deep)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/7}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,10,20,.96) 0%,rgba(14,10,20,.86) 38%,rgba(14,10,20,.45) 68%,rgba(14,10,20,.2) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:110px 24px 120px;min-height:520px;display:flex;flex-direction:column;justify-content:flex-end}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-title{max-width:16ch}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:18px;max-width:56ch;font-size:17px;line-height:1.8;color:var(--text-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-float{
  position:absolute;right:24px;bottom:48px;z-index:3;width:230px;padding:20px;border-radius:var(--radius-lg);
  background:rgba(30,24,40,.86);border:1px solid var(--line-strong);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.hero-float .hf-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.hero-float .hf-num{font-size:30px;font-weight:800;color:var(--text);line-height:1.1;margin-top:6px}
.hero-float .hf-split{display:flex;gap:18px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.hero-float .hf-split div{font-size:12px;color:var(--text-3)}
.hero-float .hf-split b{display:block;font-size:16px;color:var(--text);font-weight:700}
.dot-accent{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(63,224,190,.18);flex:0 0 auto}
/* ============ 9. 横滑片库 ============ */
.rail-wrap{position:relative}
.rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 18px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 auto;width:200px;scroll-snap-align:start;position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
.poster{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--surface-2)}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.rail-card:hover .poster img{transform:scale(1.04)}
.poster .p-badge{position:absolute;top:10px;left:10px}
.poster .p-status{position:absolute;top:10px;right:10px;display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:999px;background:rgba(14,10,20,.72);font-size:11px;color:var(--accent);border:1px solid rgba(63,224,190,.28)}
.poster-mask{
  position:absolute;left:0;right:0;bottom:0;padding:44px 12px 12px;
  background:linear-gradient(to top,rgba(14,10,20,.94) 0%,rgba(14,10,20,.7) 48%,rgba(14,10,20,0) 100%);
}
.poster-mask h3{font-size:15px;font-weight:600;color:var(--text);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-mask p{margin-top:5px;font-size:12px;color:var(--text-3)}
.rail-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:4}
.rail-nav.prev{left:-20px}
.rail-nav.next{right:-20px}
.rail-btn{width:40px;height:40px;border-radius:999px;background:var(--surface);border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:all var(--t)}
.rail-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rail-btn:hover{background:var(--surface-2);color:var(--primary);border-color:rgba(255,106,43,.4)}
/* ============ 10. 海报网格 ============ */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.grid-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
.grid-card:hover .poster img{transform:scale(1.04)}
.grid-card .poster img{transition:transform 240ms ease-out}
.grid-card .gc-foot{padding:12px 14px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.grid-card .gc-foot h4{font-size:14px;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
/* ============ 11. 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface)}
.step{padding:28px 24px;position:relative;border-right:1px solid var(--line);transition:background-color var(--t)}
.step:last-child{border-right:0}
.step:hover{background:var(--surface-2)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:rgba(255,106,43,.14);color:var(--primary-hover);font-weight:700;font-size:14px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--text-2)}
.step-line{position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));opacity:0;transition:opacity var(--t)}
.step:hover .step-line{opacity:1}
/* ============ 12. 清单与图文 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.check-item{display:flex;gap:14px;padding:18px;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);transition:transform var(--t),border-color var(--t)}
.check-item:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.check-icon{width:26px;height:26px;border-radius:8px;background:rgba(63,224,190,.16);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.check-icon svg{width:15px;height:15px;fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;line-height:1.7}
.media-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-card figcaption{padding:18px 20px 22px}
.media-card figcaption h3{font-size:17px;margin-bottom:8px}
.media-card figcaption p{font-size:14px;line-height:1.75}
/* ============ 13. FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--text);position:relative;
  transition:color var(--t),background-color var(--t);
}
.faq-q:hover{color:var(--primary-hover);background:rgba(255,255,255,.02)}
.faq-q::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;background:var(--primary);opacity:0;transition:opacity var(--t)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-plus{width:22px;height:22px;flex:0 0 auto;position:relative;transition:transform 220ms ease-out}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--text-2);border-radius:2px}
.faq-plus::before{left:0;right:0;top:10px;height:2px}
.faq-plus::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-item.is-open .faq-plus::before,.faq-item.is-open .faq-plus::after{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a p{padding:0 26px 26px;font-size:15px;line-height:1.8;color:var(--text-2)}
/* ============ 14. CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--bg-deep);border-top:1px solid var(--line)}
.cta-band::before{content:"";position:absolute;width:620px;height:620px;left:-140px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,43,.26),transparent 65%)}
.cta-band::after{content:"";position:absolute;width:560px;height:560px;right:-160px;bottom:-300px;border-radius:50%;background:radial-gradient(circle,rgba(123,91,255,.28),transparent 65%)}
.cta-inner{position:relative;z-index:2;text-align:center;padding:96px 24px;max-width:820px;margin:0 auto}
.cta-inner p{margin:18px auto 0;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.cta-strip{height:2px;background:linear-gradient(90deg,transparent,var(--primary),var(--secondary),transparent)}
/* ============ 15. 页脚 ============ */
.site-footer{background:var(--bg-deep);position:relative;padding-top:72px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.footer-top{display:grid;grid-template-columns:1.3fr .8fr .8fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-2);max-width:36ch}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color var(--t),transform var(--t);display:inline-block}
.footer-col a:hover{color:var(--primary);transform:translateX(3px)}
.footer-sub .field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input{
  width:100%;padding:14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);
  color:var(--text);font-size:14px;transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,43,.18)}
.field .err{display:none;font-size:12px;color:var(--error);margin-top:8px}
.field.has-error input{border-color:var(--error)}
.field.has-error .err{display:block}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 32px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);
}
.fb-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
/* ============ 16. 状态样式 ============ */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;color:var(--text-2);
}
.empty-state svg{width:44px;height:44px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.skeleton{background:var(--surface-2);border-radius:var(--radius-md);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}
img.img-fail{background:var(--surface-2);object-fit:contain;padding:24px}
/* ============ 17. 响应式断点 ============ */
@media (max-width:1280px){
  .container{max-width:1080px}
  .rail-nav.prev{left:-8px}
  .rail-nav.next{right:-8px}
}
@media (max-width:1024px){
  :root{--pad-y:72px}
  .nav-card-text i{display:none}
  .nav-card{padding:8px 10px}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .split{grid-template-columns:1fr;gap:24px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .hero-float{position:static;width:100%;margin-top:32px}
  .hero-inner{padding:88px 24px 72px;min-height:auto}
}
@media (max-width:768px){
  :root{--pad-y:56px}
  .container{padding:0 16px}
  .header-inner{padding:10px 16px;gap:12px}
  .nav-cards{display:none}
  .hamburger{display:flex}
  .nav-actions .btn-primary{display:none}
  .hero-bg img{aspect-ratio:4/3}
  .hero-bg::after{background:linear-gradient(180deg,rgba(14,10,20,.72) 0%,rgba(14,10,20,.9) 52%,rgba(14,10,20,.97) 100%)}
  .hero-title{max-width:100%;font-size:32px}
  .hero-sub{font-size:15px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 auto}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .rail-card{width:150px}
  .rail-nav{display:none}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .faq-q{padding:20px 18px;font-size:16px}
  .faq-a p{padding:0 18px 22px}
  .cta-inner{padding:64px 16px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:480px){
  .logo-text{font-size:15px}
  .hero-title{font-size:30px}
  .hero-badges .badge{font-size:11px}
  .hero-float .hf-split{flex-direction:column;gap:10px}
  .poster-grid{gap:12px}
  .grid-card .gc-foot{padding:10px 12px 14px}
  .chips{gap:8px}
  .chip{padding:7px 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --danger:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --r-lg:18px;
  --r-md:12px;
  --r-img:14px;
  --r-badge:6px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(0,0,0,.35);
  --sh-hover:0 16px 40px rgba(0,0,0,.5);
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:800;line-height:1.15;letter-spacing:0}
h1{font-size:56px}
h2{font-size:36px}
h3{font-size:22px}
p{color:var(--text-2)}
svg{width:100%;height:100%;stroke:currentColor;fill:none}
::selection{background:rgba(255,106,43,.35);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head p{margin-top:10px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.lead{font-size:17px;color:var(--text-2);line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background-color var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke-width:2.2}
.btn-primary{background:var(--primary);color:#14101A;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-press);border-color:var(--primary-press);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);border-radius:var(--r-md)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,106,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.icon-btn svg{width:18px;height:18px;stroke-width:2}
.icon-btn:hover{background:var(--surface-2);color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:1.4;font-weight:600;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
}
.badge-cat{background:rgba(123,91,255,.2);border-color:rgba(123,91,255,.3);color:#B9A6FF}
.badge-state{background:rgba(63,224,190,.18);border-color:rgba(63,224,190,.32);color:var(--accent)}
.badge-state::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.badge-accent{background:rgba(255,106,43,.16);border-color:rgba(255,106,43,.34);color:var(--primary-hover)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(20,16,25,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--t),border-color var(--t);
}
.site-header.is-scrolled{background:rgba(14,10,20,.9);border-bottom-color:var(--line-strong)}
.header-inner{
  max-width:1280px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:22px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#14101A;
}
.logo-mark svg{width:20px;height:20px;stroke:#14101A;stroke-width:2}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;line-height:1.2;color:var(--text)}
.logo-text span{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:0}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:9px;
  padding:10px 12px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:background-color var(--t),border-color var(--t),transform var(--t),color var(--t);
}
.nav-card-icon{width:20px;height:20px;flex-shrink:0;color:var(--text-3);transition:color var(--t)}
.nav-card-icon svg{stroke-width:2}
.nav-card-text{display:flex;flex-direction:column;line-height:1.25}
.nav-card-text b{font-size:13px;font-weight:600;color:var(--text-2);white-space:nowrap;transition:color var(--t)}
.nav-card-text i{font-style:normal;font-size:11px;color:var(--text-3);white-space:nowrap}
.nav-card:hover{background:var(--surface-2);border-color:var(--line-strong);transform:translateY(-2px)}
.nav-card:hover .nav-card-icon{color:var(--primary)}
.nav-card:hover .nav-card-text b{color:var(--text)}
.nav-card.is-active{background:linear-gradient(180deg,rgba(255,106,43,.14),rgba(255,106,43,.04));border-color:rgba(255,106,43,.38)}
.nav-card.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--primary)}
.nav-card.is-active .nav-card-icon{color:var(--primary)}
.nav-card.is-active .nav-card-text b{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.hamburger{
  width:42px;height:42px;border-radius:12px;display:none;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:var(--surface);border:1px solid var(--line);
  transition:background-color var(--t),border-color var(--t);
}
.hamburger span{width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--t),opacity var(--t)}
.hamburger:hover{background:var(--surface-2);border-color:var(--line-strong)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(14,10,20,.98);backdrop-filter:blur(10px);
  padding:88px 20px 32px;overflow-y:auto;
  visibility:hidden;opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.drawer.is-open{visibility:visible;opacity:1;transform:none;pointer-events:auto}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.drawer-grid .nav-card{flex-direction:column;align-items:flex-start;gap:10px;padding:16px}
.drawer-grid .nav-card-text b{font-size:15px;color:var(--text)}
.drawer-grid .nav-card-icon{width:22px;height:22px}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%;padding:15px 22px;font-size:16px}
.drawer-close{
  position:absolute;top:22px;right:20px;width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
}
.drawer-close svg{width:18px;height:18px;stroke-width:2.2}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;min-height:460px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.page-hero .hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(14,10,20,.96) 0%,rgba(14,10,20,.82) 46%,rgba(14,10,20,.42) 100%),
    linear-gradient(180deg,rgba(14,10,20,.55) 0%,rgba(14,10,20,.9) 100%);
}
.page-hero .hero-content{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;max-width:760px}
.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-2);margin-bottom:18px}
.breadcrumbs a:hover{color:var(--primary)}
.breadcrumbs .sep{color:var(--text-3)}
.breadcrumbs .current{color:var(--primary)}
.page-hero h1{font-size:46px;margin:14px 0 18px}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.page-hero .lead{max-width:640px;font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats .hs{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:24px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:12px;color:var(--text-3)}

/* ---------- 分类主布局 ---------- */
.cat-layout{display:grid;grid-template-columns:3fr 9fr;gap:24px;align-items:start}
.cat-side{position:relative}
.side-card{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);
}
.side-card h2{font-size:19px;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--text-3);margin-bottom:18px}
.side-list{display:flex;flex-direction:column;gap:6px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.side-list a.current{background:rgba(255,106,43,.12);border-color:rgba(255,106,43,.32);color:var(--text)}
.side-list a:hover{background:var(--surface-2);color:var(--text);border-color:var(--line)}
.side-list a .dot{width:6px;height:6px;border-radius:50%;background:var(--text-3);flex-shrink:0}
.side-list a.current .dot{background:var(--primary)}
.side-divider{height:1px;background:var(--line);margin:20px 0}
.side-facts{display:flex;flex-direction:column;gap:14px}
.side-facts .sf{display:flex;gap:12px;align-items:flex-start}
.side-facts .sf-ico{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--accent);
}
.side-facts .sf-ico svg{width:17px;height:17px;stroke-width:2}
.side-facts b{display:block;font-size:14px;font-weight:600;color:var(--text)}
.side-facts span{font-size:12.5px;color:var(--text-3);line-height:1.6}

/* ---------- 筛选 chips ---------- */
.chips-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);font-weight:500;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.chip:hover{background:var(--surface-2);color:var(--text);transform:translateY(-1px)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#14101A;font-weight:600}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,43,.35)}
.card-body{padding:18px 20px 20px}
.card h3{font-size:17px;font-weight:600;margin:12px 0 8px;color:var(--text)}
.card p{font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12px;color:var(--text-3)}
.img-wrap{position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--surface-2)}
.img-wrap::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(100deg,var(--surface-2) 28%,rgba(255,255,255,.07) 50%,var(--surface-2) 72%);
  background-size:220% 100%;animation:skeletonPulse 1.9s ease-in-out infinite;
}
@keyframes skeletonPulse{0%{background-position:120% 0}100%{background-position:-120% 0}}
.img-wrap img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.img-wrap.is-failed::after{
  content:"图片暂不可用";position:absolute;inset:0;z-index:2;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--text-3);background:var(--surface-2);
}
.ar-16x9{aspect-ratio:16/9}
.ar-3x2{aspect-ratio:3/2}
.ar-4x3{aspect-ratio:4/3}
.ar-2x3{aspect-ratio:2/3}
.card:hover .img-wrap img{transform:scale(1.04)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ---------- 分页占位 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:40px}
.page-btn{
  width:32px;height:32px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;color:var(--text-2);
  background:var(--surface);border:1px solid var(--line);
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.page-btn:hover{background:var(--surface-2);color:var(--text)}
.page-btn.is-current{background:var(--primary);border-color:var(--primary);color:#14101A}
.page-btn.wide{width:auto;padding:0 14px}
.page-btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed}

/* ---------- 数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:linear-gradient(160deg,var(--surface) 0%,rgba(42,34,54,.7) 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(63,224,190,.3);box-shadow:var(--sh-hover)}
.stat-card b{display:block;font-size:34px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-card h3{font-size:16px;font-weight:600;margin:12px 0 8px}
.stat-card p{font-size:13.5px;line-height:1.7}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{
  position:relative;padding:24px 20px 22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.35);background:var(--surface-2)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:rgba(255,106,43,.14);border:1px solid rgba(255,106,43,.3);
  color:var(--primary);font-size:13px;font-weight:700;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.step p{font-size:13.5px;line-height:1.7}

/* ---------- 清单 ---------- */
.check-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px}
.check-card h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.check-card h3 .cc-ico{
  width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(123,91,255,.18);border:1px solid rgba(123,91,255,.3);color:#B9A6FF;
}
.check-card h3 .cc-ico svg{width:16px;height:16px;stroke-width:2}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2);line-height:1.7}
.check-list li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:rgba(63,224,190,.16);border:1px solid rgba(63,224,190,.4);
  background-image:linear-gradient(transparent,transparent);
  box-shadow:inset 0 0 0 4px rgba(20,16,25,1);
}
.check-list li span b{color:var(--text);font-weight:600}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0 22px 0;text-align:left;
  transition:color var(--t),padding-left var(--t);
}
.faq-q h3{font-size:17px;font-weight:600;color:var(--text);transition:color var(--t)}
.faq-q .plus{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  font-size:16px;line-height:1;transition:transform var(--t),color var(--t),border-color var(--t);
}
.faq-q:hover h3{color:var(--primary-hover)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease-out}
.faq-a p{font-size:15px;color:var(--text-2);padding:0 0 22px;max-width:820px}
.faq-item.is-open{border-left:3px solid var(--primary);padding-left:16px}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--primary);border-color:rgba(255,106,43,.4)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-deep);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:96px 0;text-align:center;
}
.cta-band::before,.cta-band::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(90px);pointer-events:none}
.cta-band::before{background:rgba(255,106,43,.22);top:-220px;left:-120px}
.cta-band::after{background:rgba(123,91,255,.22);bottom:-240px;right:-140px}
.cta-band .cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;padding:0 24px}
.cta-band h2{margin-bottom:16px}
.cta-band p{font-size:16px;margin-bottom:30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-line{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));z-index:3}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);position:relative;padding-top:0}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(255,106,43,0),var(--primary),var(--secondary),rgba(255,106,43,0))}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
  padding:64px 0 48px;border-bottom:1px solid var(--line);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color var(--t),padding-left var(--t)}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.subscribe-form{display:flex;flex-direction:column;gap:12px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input{
  width:100%;padding:14px 14px;border-radius:var(--r-md);font-size:14px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,43,.18);background:var(--surface-2)}
.field .err{display:none;font-size:12px;color:var(--danger);margin-top:6px}
.field.is-error input{border-color:var(--danger)}
.field.is-error .err{display:block}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0 40px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap;
}
.fb-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .header-inner{padding:12px 20px;gap:16px}
  .nav-card-text i{display:none}
  .nav-card{padding:10px}
  h1{font-size:48px}
  .page-hero h1{font-size:40px}
}
@media (max-width:1100px){
  .nav-cards{display:none}
  .hamburger{display:inline-flex}
  .cat-layout{grid-template-columns:1fr}
  .side-card{position:static}
  .side-card .side-list{flex-direction:row;flex-wrap:wrap}
  .side-card .side-list a{flex:1 1 200px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-cta{display:none}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.7}
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .page-hero{min-height:380px}
  .page-hero .hero-content{padding-top:48px;padding-bottom:48px}
  .page-hero h1{font-size:30px;margin:12px 0 14px}
  .page-hero .lead{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{gap:20px}
  .hero-stats b{font-size:20px}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:12px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:18px}
  .stat-card b{font-size:26px}
  .cta-band{padding:56px 0}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;padding:20px 0 32px}
  .pager .page-btn.wide{display:none}
  .page-hero .hero-bg{opacity:.7}
}
@media (max-width:480px){
  .header-inner{padding:10px 14px}
  .logo-text{font-size:14px}
  .logo-mark{width:34px;height:34px}
  .drawer-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-grid{grid-template-columns:1fr;gap:12px}
  .chips-row{gap:8px}
  .chip{padding:8px 13px;font-size:13px}
  .hero-stats{flex-direction:column;gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
/* =========================================================
   设计变量
   ========================================================= */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --danger:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --r-lg:18px;
  --r-md:12px;
  --r-img:14px;
  --r-badge:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --t:210ms ease-out;
  --wrap:1200px;
}

/* =========================================================
   Reset
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:0}
h2{font-size:36px}
h3{font-size:22px;font-weight:700}
h4{font-size:16px;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
input,button,textarea,select{font:inherit;color:inherit}
::selection{background:rgba(255,106,43,.35);color:#fff}

/* =========================================================
   基础排版与容器
   ========================================================= */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;color:var(--primary);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--primary)}
.muted{color:var(--text-2)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:color var(--t),transform var(--t);
}
.link-more:hover{color:var(--primary)}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* =========================================================
   顶部导航
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,16,25,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--t),border-color var(--t);
}
.site-header.is-scrolled{background:rgba(14,10,20,.9);border-bottom-color:var(--line-strong)}
.header-inner{
  max-width:1280px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(255,106,43,.28);
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#14101A;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;line-height:1.15}
.logo-text span{font-size:11px;font-weight:400;color:var(--text-3);margin-top:2px}

.nav-cards{display:flex;gap:10px;flex:1;justify-content:center;min-width:0}
.nav-card{
  position:relative;display:flex;align-items:center;gap:8px;
  padding:12px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);
  transition:background-color var(--t),transform var(--t),border-color var(--t);
}
.nav-card:hover{background:var(--surface-2);border-color:var(--line-strong);transform:translateY(-2px)}
.nav-card:hover .nav-card-icon svg{stroke:var(--primary)}
.nav-card-icon{width:20px;height:20px;flex:0 0 auto;display:grid;place-items:center}
.nav-card-icon svg{width:20px;height:20px;fill:none;stroke:var(--text-2);stroke-width:1.8;transition:stroke var(--t)}
.nav-card-text{display:flex;flex-direction:column;line-height:1.25;white-space:nowrap}
.nav-card-text b{font-size:14px;font-weight:600}
.nav-card-text i{font-size:12px;font-style:normal;color:var(--text-3)}
.nav-card.is-active{background:var(--surface-2);border-color:var(--line-strong)}
.nav-card.is-active .nav-card-icon svg{stroke:var(--primary)}
.nav-card.is-active .nav-card-text b{color:var(--text)}
.nav-card.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;
  border-radius:3px;background:var(--primary);
}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:background-color var(--t),color var(--t),transform var(--t),border-color var(--t);
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{background:var(--surface-2);color:var(--text);border-color:var(--line-strong);transform:translateY(-1px)}
.icon-btn:active{transform:none}
.menu-toggle{display:none}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:var(--bg-deep);
  padding:18px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.drawer-grid .nav-card{white-space:normal;padding:14px}
.drawer-grid .nav-card-text b{font-size:15px}
.drawer-cta{width:100%}

/* =========================================================
   按钮族
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{
  background:var(--primary);color:#14101A;border-radius:999px;
  box-shadow:0 8px 22px rgba(255,106,43,.24);
}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-press);transform:none}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,106,43,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,.icon-btn:focus-visible,.nav-card:focus-visible,.faq-q:focus-visible,
input:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* =========================================================
   徽章与标签
   ========================================================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1.5;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
}
.badge-cat{background:rgba(123,91,255,.2);border-color:rgba(123,91,255,.32);color:#C9BCFF}
.badge-accent{background:rgba(63,224,190,.18);border-color:rgba(63,224,190,.32);color:var(--accent)}
.badge-accent::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.badge-warn{background:rgba(255,176,32,.16);border-color:rgba(255,176,32,.32);color:var(--warn)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:8px 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:var(--surface-2);border:1px solid var(--line);
  transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t);
}
.tag:hover{color:var(--text);border-color:var(--primary);background:rgba(255,106,43,.1);transform:translateY(-2px)}

/* =========================================================
   Hero
   ========================================================= */
.hero{position:relative;overflow:hidden;background:var(--bg-deep);border-bottom:1px solid var(--line)}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,10,20,.95) 0%,rgba(14,10,20,.82) 42%,rgba(14,10,20,.38) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  max-width:var(--wrap);margin:0 auto;padding:96px 24px 88px;
  min-height:600px;display:flex;flex-direction:column;justify-content:center;
}
.hero h1{font-size:56px;line-height:1.15;font-weight:800;margin:18px 0 0;max-width:860px}
.hero-sub{margin-top:20px;max-width:660px;font-size:16px;line-height:1.75;color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.hero-fact{display:flex;flex-direction:column;gap:2px}
.hero-fact b{font-size:22px;font-weight:800;color:var(--text)}
.hero-fact span{font-size:12px;color:var(--text-3)}

/* =========================================================
   数据条
   ========================================================= */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  padding:24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
.stat-card .stat-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat-card .stat-label{font-size:13px;color:var(--text-2)}
.stat-num{font-size:32px;font-weight:800;margin-top:12px;line-height:1.2}
.stat-num small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px}
.stat-foot{margin-top:10px;font-size:12px;color:var(--text-3)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(63,224,190,.16)}

/* =========================================================
   主体：双列交错 + 右侧栏
   ========================================================= */
.content-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.main-col{grid-column:span 8;min-width:0}
.side-col{grid-column:span 4;min-width:0}
.side-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}

.stagger{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.m-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
.stagger > .m-card:nth-child(even){margin-top:48px}
.m-card-media{position:relative;overflow:hidden;background:var(--surface-2);aspect-ratio:16/10}
.stagger > .m-card:nth-child(even) .m-card-media{aspect-ratio:4/3}
.m-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out}
.m-card:hover .m-card-media img{transform:scale(1.04)}
.m-card-media .float-badge{position:absolute;left:12px;top:12px}
.m-card-media .state-dot{
  position:absolute;right:12px;top:12px;display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;
  background:rgba(14,10,20,.72);color:var(--accent);border:1px solid rgba(63,224,190,.3);
  backdrop-filter:blur(6px);
}
.m-card-media .state-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.m-card-body{padding:20px}
.m-card-body h3{font-size:17px;font-weight:600;line-height:1.4;margin:10px 0 8px}
.m-card-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:12px;color:var(--text-3);flex-wrap:wrap}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}

/* 侧栏卡片 */
.rail-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);
}
.rail-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.rail-card .rail-sub{font-size:13px;color:var(--text-3);margin-bottom:16px}
.rank-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-list li:first-child{padding-top:0}
.rank-no{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);
  font-size:12px;font-weight:700;color:var(--primary);
}
.rank-body b{display:block;font-size:14px;font-weight:600;line-height:1.5}
.rank-body span{font-size:12px;color:var(--text-3)}

/* =========================================================
   步骤 / 覆盖范围
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;padding:24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.35);background:var(--surface-2)}
.step-no{font-size:26px;font-weight:800;color:rgba(255,106,43,.55);display:block;line-height:1}
.step h3{font-size:17px;font-weight:600;margin:14px 0 8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.7}

.league-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.league-card{
  display:flex;align-items:center;gap:14px;
  padding:18px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  transition:transform var(--t),border-color var(--t),background-color var(--t);
}
.league-card:hover{transform:translateY(-3px);border-color:rgba(255,106,43,.35);background:var(--surface-2)}
.league-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  background:rgba(123,91,255,.16);border:1px solid rgba(123,91,255,.28);
}
.league-icon svg{width:18px;height:18px;fill:none;stroke:#C9BCFF;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.league-card b{display:block;font-size:15px;font-weight:600}
.league-card span{font-size:12px;color:var(--text-3)}

/* =========================================================
   FAQ
   ========================================================= */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 14px;background:none;border:0;border-left:3px solid transparent;
  color:var(--text);font-size:17px;font-weight:600;text-align:left;cursor:pointer;
  transition:border-color var(--t),color var(--t);
}
.faq-q:hover{color:var(--primary-hover)}
.faq-item.is-open .faq-q{border-left-color:var(--primary);color:var(--text)}
.faq-sign{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform var(--t);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:14px;height:2px}
.faq-sign::after{width:2px;height:14px}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-item.is-open .faq-sign::before,.faq-item.is-open .faq-sign::after{background:var(--primary)}
.faq-a{display:none;padding:0 14px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:820px}
.faq-item.is-open .faq-a{display:block}

/* =========================================================
   CTA
   ========================================================= */
.cta{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--bg-deep);border:1px solid var(--line);
  padding:72px 32px 76px;text-align:center;
}
.cta::before{
  content:"";position:absolute;width:520px;height:520px;left:-140px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.26),rgba(255,106,43,0) 70%);
}
.cta::after{
  content:"";position:absolute;width:560px;height:560px;right:-160px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,91,255,.24),rgba(123,91,255,0) 70%);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:36px;line-height:1.2}
.cta-inner p{margin-top:16px;color:var(--text-2);font-size:15px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:32px}
.cta-band{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary))}

/* =========================================================
   表单
   ========================================================= */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-size:13px;color:var(--text-2)}
.field input{
  width:100%;padding:14px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,106,43,.18);
}
.field.has-error input{border-color:var(--danger)}
.field .err{display:none;font-size:12px;color:var(--danger)}
.field.has-error .err{display:block}

/* =========================================================
   状态样式：骨架 / 空态
   ========================================================= */
.skeleton{
  background:var(--surface-2);border-radius:var(--r-md);position:relative;overflow:hidden;
}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.06),rgba(255,255,255,0));
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%{opacity:.4}50%{opacity:1}100%{opacity:.4}}
.empty{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:48px 24px;text-align:center;color:var(--text-2);
}
.empty svg{width:40px;height:40px;margin:0 auto 14px;fill:none;stroke:var(--text-3);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{background:var(--bg-deep);padding-top:0;margin-top:96px}
.site-footer::before{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:360px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2);transition:color var(--t),padding-left var(--t)}
.footer-col ul li a:hover{color:var(--primary);padding-left:4px}
.footer-sub .subscribe-form{max-width:320px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}
.fb-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* =========================================================
   动效偏好
   ========================================================= */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
}

/* =========================================================
   断点：1280
   ========================================================= */
@media (max-width:1280px){
  .header-inner{padding:12px 20px;gap:16px}
  .nav-cards{gap:8px}
  .nav-card{padding:10px}
  .nav-card-text b{font-size:13px}
  .hero h1{font-size:48px}
  .hero-inner{min-height:560px;padding:80px 24px 72px}
}

/* =========================================================
   断点：1024
   ========================================================= */
@media (max-width:1024px){
  h2{font-size:28px}
  .section{padding:72px 0}
  .nav-card-text i{display:none}
  .content-grid{grid-template-columns:1fr}
  .main-col,.side-col{grid-column:auto}
  .side-inner{position:static;flex-direction:column}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .league-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .hero h1{font-size:40px}
  .cta-inner h2{font-size:30px}
}

/* =========================================================
   断点：768
   ========================================================= */
@media (max-width:768px){
  .header-inner{padding:10px 16px}
  .nav-cards{display:none}
  .nav-actions .btn{display:none}
  .menu-toggle{display:grid}
  .logo-text{font-size:15px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-inner{min-height:380px;padding:56px 16px 48px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15px;margin-top:16px}
  .hero-facts{gap:20px;margin-top:32px}
  .hero-fact b{font-size:18px}
  .stat-strip{grid-template-columns:1fr;gap:16px}
  .stagger{grid-template-columns:1fr;gap:20px}
  .stagger > .m-card:nth-child(even){margin-top:0}
  .stagger > .m-card:nth-child(even) .m-card-media{aspect-ratio:16/10}
  .steps{grid-template-columns:1fr;gap:16px}
  .league-grid{grid-template-columns:1fr;gap:16px}
  h2{font-size:24px}
  h3{font-size:18px}
  .faq-q{font-size:16px;padding:18px 10px}
  .faq-a{padding:0 10px 18px}
  .cta{padding:48px 20px 56px;border-radius:18px}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:56px}
}

/* =========================================================
   断点：520
   ========================================================= */
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .drawer-grid{grid-template-columns:1fr}
  .stat-num{font-size:26px}
  .rank-list li{padding:12px 0}
  .badge{font-size:11px}
  .section-head{margin-bottom:24px}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --error:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --radius-lg:18px;
  --radius-sm:12px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --ring:0 0 0 1px rgba(255,106,43,.35);
  --ease:220ms ease-out;
  --pad-section:96px;
}
/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15;letter-spacing:0;}
p{margin:0;}
svg{width:100%;height:100%;stroke:currentColor;fill:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
/* ============ 排版基类 ============ */
.h1{font-size:56px;font-weight:800;}
.h2{font-size:36px;font-weight:800;}
.h3{font-size:22px;font-weight:700;}
.lead{font-size:17px;color:var(--text-2);}
.muted{color:var(--text-2);font-size:14px;}
.tiny{font-size:12px;color:var(--text-3);}
/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--pad-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .sh-left{max-width:680px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--text-2);font-size:15px;}
/* ============ 表单 ============ */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;}
.field label{font-size:13px;color:var(--text-2);}
.field input{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:14px;
  font-size:14px;
  color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,106,43,.18);}
.field .err{display:none;font-size:12px;color:var(--error);}
.field.is-error input{border-color:var(--error);}
.field.is-error .err{display:block;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  padding:14px 26px;
  font-size:15px;font-weight:600;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#14101A;box-shadow:0 8px 24px rgba(255,106,43,.22);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--primary-press);transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid var(--line-strong);border-radius:var(--radius-sm);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,106,43,.08);}
.btn-ghost:active{background:rgba(255,106,43,.14);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--radius-badge);
  padding:4px 10px;
  font-size:12px;line-height:1.6;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--text-2);
}
.badge-cat{background:rgba(123,91,255,.2);border-color:rgba(123,91,255,.32);color:#C7B8FF;}
.badge-status{background:rgba(63,224,190,.18);border-color:rgba(63,224,190,.3);color:var(--accent);}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(20,16,25,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--ease);
}
.site-header.is-scrolled{background:rgba(14,10,20,.92);}
.header-inner{
  max-width:1280px;margin:0 auto;
  padding:12px 24px;
  display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#ff9a5c);
  color:#14101A;
  padding:7px;
}
.logo-mark svg{stroke:#14101A;stroke-width:2;}
.logo-text{
  display:flex;flex-direction:column;
  font-size:17px;font-weight:800;line-height:1.15;color:var(--text);
}
.logo-text span{font-size:11px;font-weight:400;color:var(--text-3);}
.nav-cards{display:flex;align-items:stretch;gap:8px;flex:1;min-width:0;}
.nav-card{
  display:flex;align-items:center;gap:10px;
  padding:12px;
  border-radius:var(--radius-sm);
  background:var(--surface);
  border:1px solid var(--line);
  position:relative;
  min-width:0;
  transition:background-color var(--ease),transform var(--ease),border-color var(--ease);
}
.nav-card:hover{background:var(--surface-2);transform:translateY(-2px);}
.nav-card:hover .nav-card-icon{color:var(--primary);}
.nav-card-icon{width:20px;height:20px;flex:0 0 20px;color:var(--text-2);transition:color var(--ease);}
.nav-card-icon svg{stroke-width:1.8;}
.nav-card-text{display:flex;flex-direction:column;min-width:0;}
.nav-card-text b{font-size:13px;font-weight:600;color:var(--text-2);white-space:nowrap;transition:color var(--ease);}
.nav-card-text i{font-size:11px;font-style:normal;color:var(--text-3);white-space:nowrap;}
.nav-card.is-active{background:var(--surface-2);}
.nav-card.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--primary);
}
.nav-card.is-active .nav-card-icon{color:var(--primary);}
.nav-card.is-active .nav-card-text b{color:var(--text);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke-width:1.9;}
.icon-btn:hover{background:var(--surface-2);color:var(--primary);border-color:var(--line-strong);}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--surface);border:1px solid var(--line);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* 移动抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;inset:65px 0 0 0;z-index:88;
  background:rgba(14,10,20,.97);
  backdrop-filter:blur(10px);
  padding:20px 16px 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;}
.drawer-grid .nav-card{flex-direction:column;align-items:flex-start;gap:8px;padding:14px;}
.drawer-grid .nav-card-text b{font-size:15px;color:var(--text);white-space:normal;}
.drawer-grid .nav-card-text i{font-size:12px;}
.drawer-cta{display:block;}
.drawer-cta .btn{width:100%;}
/* ============ Hero ============ */
.cat-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,10,20,.96) 0%,rgba(14,10,20,.86) 46%,rgba(14,10,20,.42) 100%);
}
.cat-hero-inner{position:relative;padding:96px 0 84px;max-width:720px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-2);margin-bottom:18px;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--primary);}
.cat-hero h1{
  font-size:52px;font-weight:800;line-height:1.14;
  margin:14px 0 18px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.cat-hero .lead{font-size:17px;max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px;}
.hero-stats .stat b{display:block;font-size:26px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.hero-stats .stat span{font-size:13px;color:var(--text-2);}
/* ============ 要点清单 ============ */
.point-list{display:flex;flex-direction:column;gap:14px;}
.point-item{
  display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:20px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px 24px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.point-item:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.4);box-shadow:var(--shadow-hover),var(--ring);background:var(--surface-2);}
.point-index{
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(255,106,43,.12);
  border:1px solid rgba(255,106,43,.28);
  color:var(--primary);
  font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;
}
.point-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.point-body p{color:var(--text-2);font-size:15px;line-height:1.8;}
/* ============ 纯列表流 ============ */
.stream{display:flex;flex-direction:column;gap:20px;}
.row-card{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr) 44px;
  gap:24px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:18px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.row-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.4);box-shadow:var(--shadow-hover),var(--ring);background:var(--surface-2);}
.row-media{
  position:relative;width:100%;aspect-ratio:4/3;
  border-radius:var(--radius-img);overflow:hidden;background:var(--surface-2);
}
.row-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.row-card:hover .row-media img{transform:scale(1.04);}
.row-media .badge{
  position:absolute;left:12px;top:12px;
  background:rgba(14,10,20,.74);
  border-color:rgba(255,255,255,.16);
  color:var(--text);
}
.row-body h3{font-size:20px;font-weight:700;margin:14px 0 10px;line-height:1.35;}
.row-body p{
  color:var(--text-2);font-size:15px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.row-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);}
.row-arrow{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:background-color var(--ease),color var(--ease),transform var(--ease),border-color var(--ease);
}
.row-arrow svg{width:18px;height:18px;stroke-width:2;}
.row-card:hover .row-arrow{background:var(--primary);color:#14101A;border-color:var(--primary);transform:translateX(3px);}
/* ============ 清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px;}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line);}
.check-item .ck{
  width:22px;height:22px;flex:0 0 22px;border-radius:50%;
  display:grid;place-items:center;margin-top:2px;
  background:rgba(63,224,190,.16);color:var(--accent);
}
.check-item .ck svg{width:13px;height:13px;stroke-width:2.4;}
.check-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px;}
.check-item span{font-size:14px;color:var(--text-2);line-height:1.7;}
/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 20px;position:relative;transition:transform var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.4);}
.step b{
  display:inline-block;font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(255,106,43,.12);border:1px solid rgba(255,106,43,.28);
  border-radius:var(--radius-badge);padding:3px 9px;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.8;}
/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;text-align:left;
  position:relative;
  transition:color var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--primary);border-radius:3px;
  transition:height var(--ease);}
.faq-q h3{font-size:18px;font-weight:600;transition:padding-left var(--ease),color var(--ease);}
.faq-item.is-open .faq-q::before{height:24px;}
.faq-item.is-open .faq-q h3{padding-left:16px;color:var(--text);}
.faq-q:hover h3{color:var(--primary);}
.faq-icon{
  width:30px;height:30px;flex:0 0 30px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  transition:transform var(--ease),color var(--ease),border-color var(--ease);
}
.faq-icon svg{width:14px;height:14px;stroke-width:2.2;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary);border-color:rgba(255,106,43,.4);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-a p{padding:0 46px 22px 0;font-size:15px;color:var(--text-2);line-height:1.85;}
/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  text-align:center;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;
}
.cta-band::before{width:420px;height:420px;left:-120px;top:-160px;background:radial-gradient(circle,rgba(255,106,43,.28),transparent 70%);}
.cta-band::after{width:460px;height:460px;right:-140px;bottom:-200px;background:radial-gradient(circle,rgba(123,91,255,.24),transparent 70%);}
.cta-inner{position:relative;padding:88px 0;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:36px;margin-bottom:14px;}
.cta-inner p{color:var(--text-2);font-size:16px;margin-bottom:30px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.cta-line{position:relative;height:2px;background:linear-gradient(90deg,transparent,var(--primary),var(--secondary),transparent);}
/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);position:relative;padding-top:1px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--primary),var(--secondary));}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color var(--ease);}
.footer-col ul a:hover{color:var(--primary);}
.subscribe-form{display:flex;flex-direction:column;gap:10px;max-width:320px;}
.subscribe-form .btn{width:100%;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:22px 0 34px;
  font-size:13px;color:var(--text-3);
}
.fb-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.fb-left .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);}
/* ============ 响应式 ============ */
@media (max-width:1280px){
  .header-inner{max-width:100%;}
  .nav-card{padding:10px;}
  .nav-card-text i{display:none;}
}
@media (max-width:1024px){
  :root{--pad-section:72px;}
  .nav-cards{display:none;}
  .menu-toggle{display:block;}
  .cat-hero h1{font-size:40px;}
  .cat-hero-inner{padding:72px 0 64px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 40px;}
  .row-card{grid-template-columns:minmax(0,5fr) minmax(0,7fr) 44px;gap:18px;}
}
@media (max-width:768px){
  :root{--pad-section:56px;}
  body{font-size:15px;}
  .container{padding:0 16px;}
  .icon-btn{display:none;}
  .logo-text{font-size:15px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero .lead{font-size:16px;}
  .hero-stats{gap:24px;}
  .hero-stats .stat b{font-size:22px;}
  .point-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px;}
  .point-index{width:44px;height:44px;border-radius:12px;font-size:17px;}
  .row-card{grid-template-columns:1fr;gap:14px;padding:14px;}
  .row-media{aspect-ratio:16/10;}
  .row-arrow{display:none;}
  .row-body h3{font-size:18px;margin-top:6px;}
  .check-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-inner{padding:64px 0;}
  .cta-inner h2{font-size:24px;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .faq-a p{padding-right:24px;}
}
@media (max-width:480px){
  .cat-hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category5 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#0E0A14;
  --bg:#141019;
  --surface:#1E1828;
  --surface-2:#2A2236;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF7E45;
  --primary-press:#E7561B;
  --secondary:#7B5BFF;
  --accent:#3FE0BE;
  --warn:#FFB020;
  --danger:#FF5470;
  --text:#F4F1F8;
  --text-2:#A79FB6;
  --text-3:#6E687E;
  --paper:#F8F5F2;
  --ink:#241F2C;
  --ink-2:#5C5666;
  --radius-lg:18px;
  --radius:12px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --container:1200px;
  --t:200ms ease-out;
  --pad-y:96px;
}
@media (max-width:1024px){ :root{ --pad-y:72px; } }
@media (max-width:768px){ :root{ --pad-y:56px; } }

/* ============ reset ============ */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input,textarea,select{ font:inherit; color:inherit; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p,figure{ margin:0; }
svg{ display:block; }
table{ border-collapse:collapse; width:100%; }

/* ============ 排版基类 ============ */
h1{ font-size:56px; line-height:1.15; font-weight:800; letter-spacing:-0.01em; }
h2{ font-size:36px; line-height:1.2; font-weight:800; letter-spacing:-0.01em; }
h3{ font-size:22px; line-height:1.35; font-weight:700; }
h4{ font-size:17px; line-height:1.4; font-weight:600; }
p{ font-size:16px; line-height:1.75; color:var(--text-2); }
.lead{ font-size:17px; color:var(--text-2); max-width:660px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:600; color:var(--text-2);
  letter-spacing:.06em; text-transform:uppercase;
}
@media (max-width:768px){
  h1{ font-size:32px; }
  h2{ font-size:24px; }
  h3{ font-size:18px; }
  body{ font-size:15px; }
  p{ font-size:15px; }
}

/* ============ 容器与栅格 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:768px){ .container{ padding:0 16px; } }
.section{ padding:var(--pad-y) 0; }
.section--tight{ padding:calc(var(--pad-y) * .65) 0; }
.section--surface{ background:var(--bg-deep); }
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:24px; margin-bottom:36px; flex-wrap:wrap;
}
.section-head .title-block{ max-width:680px; }
.section-head h2{ margin-bottom:12px; }
.section-head p{ font-size:15px; }
.text-link{
  display:inline-flex; align-items:center; gap:6px;
  font-size:14px; font-weight:600; color:var(--primary);
  transition:color var(--t), gap var(--t);
}
.text-link:hover{ color:var(--primary-hover); gap:10px; }
.grid{ display:grid; gap:24px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:1024px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; }
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(20,16,25,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color var(--t), border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(14,10,20,.9);
  border-bottom-color:var(--line-strong);
}
.header-inner{
  max-width:1280px; margin:0 auto; padding:12px 24px;
  display:flex; align-items:center; gap:20px;
}
.logo{
  display:inline-flex; align-items:center; gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px; height:38px; border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid; place-items:center;
  box-shadow:0 6px 18px rgba(255,106,43,.28);
}
.logo-mark svg{ width:20px; height:20px; stroke:#14101A; fill:none; }
.logo-text{
  display:flex; flex-direction:column; line-height:1.1;
  font-size:16px; font-weight:800; color:var(--text);
}
.logo-text span{
  font-size:11px; font-weight:500; color:var(--text-3); letter-spacing:.02em;
}

.nav-cards{
  display:flex; align-items:center; gap:8px;
  flex:1; min-width:0;
}
.nav-card{
  position:relative;
  display:flex; align-items:center; gap:8px;
  padding:8px 12px 10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:background-color var(--t), transform var(--t), border-color var(--t);
}
.nav-card:hover{
  background:var(--surface-2);
  transform:translateY(-2px);
  border-color:var(--line-strong);
}
.nav-card-icon{ display:grid; place-items:center; width:20px; height:20px; flex-shrink:0; }
.nav-card-icon svg{ width:20px; height:20px; stroke:var(--text-2); fill:none; stroke-width:1.8; transition:stroke var(--t); }
.nav-card:hover .nav-card-icon svg{ stroke:var(--primary); }
.nav-card-text{ display:flex; flex-direction:column; line-height:1.2; }
.nav-card-text b{ font-size:13px; font-weight:600; color:var(--text-2); white-space:nowrap; transition:color var(--t); }
.nav-card-text i{ font-size:11px; font-style:normal; color:var(--text-3); white-space:nowrap; }
.nav-card.is-active{ background:var(--surface-2); border-color:var(--line-strong); }
.nav-card.is-active .nav-card-text b{ color:var(--text); }
.nav-card.is-active .nav-card-icon svg{ stroke:var(--primary); }
.nav-card.is-active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:0;
  height:3px; border-radius:3px 3px 0 0; background:var(--primary);
}
.nav-actions{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.icon-btn{
  width:42px; height:42px; border-radius:999px;
  background:var(--surface); border:1px solid var(--line);
  display:grid; place-items:center;
  transition:background-color var(--t), border-color var(--t), transform var(--t);
}
.icon-btn svg{ width:19px; height:19px; stroke:var(--text-2); fill:none; stroke-width:1.9; transition:stroke var(--t); }
.icon-btn:hover{ background:var(--surface-2); border-color:var(--line-strong); transform:translateY(-1px); }
.icon-btn:hover svg{ stroke:var(--primary); }
.menu-btn{ display:none; }

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(14,10,20,.98);
  padding:20px 24px 28px;
}
.mobile-drawer.is-open{ display:block; }
.mobile-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
.mobile-grid .nav-card{ padding:12px; }
.mobile-grid .nav-card-text b{ font-size:15px; }
.mobile-cta{ margin-top:18px; }
.mobile-cta .btn{ width:100%; justify-content:center; }

@media (max-width:1180px){
  .nav-card-text i{ display:none; }
  .nav-card-text b{ font-size:12.5px; }
}
@media (max-width:1024px){
  .nav-cards{ display:none; }
  .menu-btn{ display:grid; }
}
@media (max-width:480px){
  .logo-text{ font-size:14px; }
  .icon-btn{ width:38px; height:38px; }
}

/* ============ 按钮族 ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:999px;
  font-size:15px; font-weight:600; line-height:1;
  border:1px solid transparent; cursor:pointer;
  transition:background-color var(--t), color var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
}
.btn svg{ width:16px; height:16px; stroke:currentColor; fill:none; stroke-width:2.2; }
.btn-primary{ background:var(--primary); color:#14101A; }
.btn-primary:hover{ background:var(--primary-hover); transform:translateY(-1px); box-shadow:0 10px 26px rgba(255,106,43,.3); }
.btn-primary:active{ background:var(--primary-press); transform:translateY(0); box-shadow:none; }
.btn-ghost{ background:transparent; color:var(--text); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--primary); background:rgba(255,106,43,.08); }
.btn-ghost:active{ background:rgba(255,106,43,.14); }
.btn-sm{ padding:10px 18px; font-size:13.5px; }
.btn[disabled],.btn.is-disabled{ opacity:.4; cursor:not-allowed; transform:none; box-shadow:none; }
.btn:focus-visible,.icon-btn:focus-visible,.nav-card:focus-visible,.text-link:focus-visible,
.faq-q:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:8px;
}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 10px; border-radius:var(--radius-badge);
  font-size:12px; font-weight:600; line-height:1.4;
  background:var(--surface-2); border:1px solid var(--line);
  color:var(--text-2);
}
.badge--cat{ background:rgba(123,91,255,.2); border-color:rgba(123,91,255,.3); color:#B7A6FF; }
.badge--state{ background:rgba(63,224,190,.16); border-color:rgba(63,224,190,.28); color:var(--accent); }
.badge--state::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--accent); }
.badge--warn{ background:rgba(255,176,32,.16); border-color:rgba(255,176,32,.28); color:var(--warn); }
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{
  padding:8px 14px; border-radius:999px;
  font-size:13px; font-weight:600; color:var(--text-2);
  background:var(--surface); border:1px solid var(--line);
  transition:all var(--t);
}
.chip:hover{ color:var(--text); border-color:var(--line-strong); }
.chip.is-active{ background:var(--primary); color:#14101A; border-color:var(--primary); }

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:560px;
  display:flex; align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute; inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover; background-position:center;
}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(90deg,rgba(14,10,20,.96) 0%,rgba(14,10,20,.86) 42%,rgba(14,10,20,.35) 78%,rgba(14,10,20,.55) 100%);
}
.hero-inner{ position:relative; z-index:2; width:100%; padding:88px 0; }
.hero-content{ max-width:620px; }
.hero h1{ margin:18px 0 20px; }
.hero h1 em{ font-style:normal; color:var(--primary); }
.hero .lead{ font-size:17px; line-height:1.8; color:var(--text-2); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
.hero-float{
  position:absolute; right:40px; bottom:48px; z-index:3;
  width:230px; padding:20px;
  background:rgba(30,24,40,.86);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}
.hero-float .hf-label{ font-size:12px; color:var(--text-3); }
.hero-float .hf-num{
  display:flex; align-items:baseline; gap:8px;
  font-size:30px; font-weight:800; color:var(--text);
  font-variant-numeric:tabular-nums; margin:2px 0 12px;
}
.hero-float .hf-num small{ font-size:13px; font-weight:500; color:var(--text-2); }
.hero-float .hf-row{
  display:flex; align-items:center; gap:8px;
  font-size:12.5px; color:var(--text-2);
  padding-top:10px; border-top:1px solid var(--line);
}
.hero-float .hf-dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px rgba(63,224,190,.16); }
@media (max-width:1024px){
  .hero-float{ right:24px; bottom:28px; width:200px; }
  .hero-inner{ padding:72px 0; }
}
@media (max-width:768px){
  .hero{ min-height:380px; }
  .hero-bg::after{ background:linear-gradient(180deg,rgba(14,10,20,.82) 0%,rgba(14,10,20,.94) 100%); }
  .hero-inner{ padding:56px 0; }
  .hero-float{ position:static; width:100%; margin-top:28px; }
  .hero h1{ margin:14px 0 16px; }
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  font-size:12px; color:var(--text-2);
  padding:20px 0 0;
}
.breadcrumb a:hover{ color:var(--primary); }
.breadcrumb .sep{ color:var(--text-3); }
.breadcrumb .current{ color:var(--primary); font-weight:600; }

/* ============ 通用卡片 ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform var(--t), box-shadow var(--t), border-color var(--t), background-color var(--t);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover), 0 0 0 1px rgba(255,106,43,.35);
  border-color:transparent;
}
.card h3{ margin-bottom:10px; }
.card p{ font-size:14.5px; }
.card-icon{
  width:44px; height:44px; border-radius:12px;
  display:grid; place-items:center; margin-bottom:18px;
  background:rgba(255,106,43,.12);
  border:1px solid rgba(255,106,43,.22);
}
.card-icon svg{ width:22px; height:22px; stroke:var(--primary); fill:none; stroke-width:1.8; }
.card--secondary .card-icon{ background:rgba(123,91,255,.14); border-color:rgba(123,91,255,.26); }
.card--secondary .card-icon svg{ stroke:#B7A6FF; }
.card--accent .card-icon{ background:rgba(63,224,190,.12); border-color:rgba(63,224,190,.24); }
.card--accent .card-icon svg{ stroke:var(--accent); }
.card-meta{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  margin-top:16px; padding-top:14px; border-top:1px solid var(--line);
  font-size:12.5px; color:var(--text-3);
}
.card-num{
  font-size:13px; font-weight:800; color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 快速自查三卡 ============ */
.check-grid{ display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:24px; }
.check-grid .card{ display:flex; flex-direction:column; }
.check-grid .card:first-child{
  background:linear-gradient(160deg,rgba(255,106,43,.14),rgba(123,91,255,.10) 60%,var(--surface));
  border-color:rgba(255,106,43,.24);
}
.check-list{ display:flex; flex-direction:column; gap:10px; margin-top:16px; }
.check-list li{
  display:flex; align-items:flex-start; gap:10px;
  font-size:14px; color:var(--text-2); line-height:1.6;
}
.check-list li svg{ width:16px; height:16px; flex-shrink:0; margin-top:4px; stroke:var(--accent); fill:none; stroke-width:2.4; }
@media (max-width:1024px){ .check-grid{ grid-template-columns:1fr 1fr; } .check-grid .card:first-child{ grid-column:span 2; } }
@media (max-width:768px){ .check-grid{ grid-template-columns:1fr; } .check-grid .card:first-child{ grid-column:auto; } }

/* ============ 拼贴 mosaic ============ */
.mosaic{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:104px;
  gap:20px;
}
.m-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  overflow:hidden;
  display:flex; flex-direction:column; justify-content:flex-end;
  transition:transform var(--t), box-shadow var(--t), border-color var(--t), background-color var(--t);
}
.m-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover), 0 0 0 1px rgba(255,106,43,.35);
  border-color:transparent;
}
.m-card h3{ font-size:19px; margin-bottom:8px; }
.m-card p{ font-size:14px; line-height:1.7; }
.m-card--a,.m-card--b,.m-card--e,.m-card--h,.m-card--i{ padding:0; }
.m-card--img{ padding:0; }
.m-card--img .m-media{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  transition:transform 400ms ease-out;
}
.m-card--img:hover .m-media{ transform:scale(1.04); }
.m-card--img::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(14,10,20,.15) 0%,rgba(14,10,20,.55) 55%,rgba(14,10,20,.92) 100%);
}
.m-card--img .m-body{ position:relative; z-index:2; padding:24px; }
.m-card--img .badge{ margin-bottom:12px; }
.m-card--a{ grid-column:span 6; grid-row:span 3; }
.m-card--b{ grid-column:span 3; grid-row:span 3; }
.m-card--c{ grid-column:span 3; grid-row:span 1; }
.m-card--d{ grid-column:span 3; grid-row:span 2; }
.m-card--e{ grid-column:span 6; grid-row:span 2; }
.m-card--f{ grid-column:span 3; grid-row:span 2; }
.m-card--g{ grid-column:span 3; grid-row:span 2; }
.m-card--h{ grid-column:span 6; grid-row:span 2; }
.m-card--i{ grid-column:span 6; grid-row:span 2; }
.m-card--c{ justify-content:center; padding:18px 22px; }
.m-card--c .m-inline{ display:flex; align-items:center; gap:12px; }
.m-card--c .m-inline svg{ width:22px; height:22px; flex-shrink:0; stroke:var(--primary); fill:none; stroke-width:1.9; }
.m-card--c h3{ font-size:16px; margin:0; }
.m-card--c span{ font-size:12px; color:var(--text-3); }
.m-card--e .m-body{ padding:26px; }
.m-card--e h3{ font-size:21px; }
.m-card-note{
  display:flex; align-items:center; gap:8px; margin-top:14px;
  font-size:12.5px; color:var(--text-3);
}
@media (max-width:1024px){
  .mosaic{ grid-template-columns:repeat(6,1fr); grid-auto-rows:110px; }
  .m-card--a{ grid-column:span 6; grid-row:span 2; }
  .m-card--b{ grid-column:span 3; grid-row:span 2; }
  .m-card--c{ grid-column:span 3; grid-row:span 1; }
  .m-card--d{ grid-column:span 3; grid-row:span 2; }
  .m-card--e{ grid-column:span 6; grid-row:span 2; }
  .m-card--f{ grid-column:span 3; grid-row:span 2; }
  .m-card--g{ grid-column:span 3; grid-row:span 2; }
  .m-card--h{ grid-column:span 3; grid-row:span 2; }
  .m-card--i{ grid-column:span 3; grid-row:span 2; }
}
@media (max-width:768px){
  .mosaic{ grid-template-columns:1fr; grid-auto-rows:auto; gap:16px; }
  .mosaic > .m-card{ grid-column:auto; grid-row:auto; min-height:200px; }
  .m-card--c{ min-height:0; }
}

/* ============ 流程步骤 ============ */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; position:relative; }
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  transition:transform var(--t), border-color var(--t), box-shadow var(--t);
}
.step:hover{ transform:translateY(-4px); border-color:var(--line-strong); box-shadow:var(--shadow-hover); }
.step-idx{
  display:inline-flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:10px; margin-bottom:16px;
  background:rgba(255,106,43,.14); border:1px solid rgba(255,106,43,.26);
  color:var(--primary); font-size:14px; font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{ font-size:17px; margin-bottom:8px; }
.step p{ font-size:14px; }
@media (max-width:1024px){ .steps{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:768px){ .steps{ grid-template-columns:1fr; } }

/* ============ 风险对照列表 ============ */
.risk-table{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.risk-row{
  display:grid; grid-template-columns:1.1fr 1.4fr 110px;
  gap:20px; align-items:center;
  padding:20px 26px;
  border-bottom:1px solid var(--line);
  transition:background-color var(--t);
}
.risk-row:last-child{ border-bottom:0; }
.risk-row:hover{ background:var(--surface-2); }
.risk-row .rk-title{ font-size:15px; font-weight:600; color:var(--text); }
.risk-row .rk-desc{ font-size:14px; color:var(--text-2); }
.risk-row .rk-tag{ justify-self:end; }
@media (max-width:768px){
  .risk-row{ grid-template-columns:1fr; gap:10px; padding:18px; }
  .risk-row .rk-tag{ justify-self:start; }
}

/* ============ 数据统计带 ============ */
.statband{
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
  background:linear-gradient(120deg,rgba(255,106,43,.10),rgba(123,91,255,.10));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px 32px;
}
.stat-item .stat-num{
  font-size:38px; font-weight:800; color:var(--text);
  font-variant-numeric:tabular-nums; line-height:1.1;
}
.stat-item .stat-num small{ font-size:15px; font-weight:600; color:var(--primary); margin-left:4px; }
.stat-item .stat-label{ font-size:13.5px; color:var(--text-2); margin-top:8px; }
@media (max-width:1024px){ .statband{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .statband{ grid-template-columns:1fr; padding:26px 20px; } }

/* ============ FAQ ============ */
.faq{ border-top:1px solid var(--line); }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:22px 0 22px 0;
  text-align:left;
  transition:color var(--t), padding var(--t);
}
.faq-q span{ font-size:17px; font-weight:600; color:var(--text); position:relative; transition:color var(--t); }
.faq-q:hover span{ color:var(--primary-hover); }
.faq-icon{
  flex-shrink:0; width:26px; height:26px; border-radius:50%;
  display:grid; place-items:center;
  background:var(--surface); border:1px solid var(--line);
  transition:transform var(--t), border-color var(--t), background-color var(--t);
}
.faq-icon svg{ width:13px; height:13px; stroke:var(--text-2); fill:none; stroke-width:2.4; transition:stroke var(--t); }
.faq-item.is-open .faq-q{ padding-left:16px; }
.faq-item.is-open .faq-q span{ color:var(--text); }
.faq-item.is-open .faq-q span::before{
  content:""; position:absolute; left:-16px; top:4px; bottom:4px;
  width:3px; border-radius:3px; background:var(--primary);
}
.faq-item.is-open .faq-icon{ transform:rotate(45deg); border-color:rgba(255,106,43,.4); background:rgba(255,106,43,.12); }
.faq-item.is-open .faq-icon svg{ stroke:var(--primary); }
.faq-a{ display:none; padding:0 0 24px 16px; }
.faq-item.is-open .faq-a{ display:block; }
.faq-a p{ font-size:15px; line-height:1.8; color:var(--text-2); max-width:820px; }

/* ============ CTA ============ */
.cta{
  position:relative; overflow:hidden;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:calc(var(--pad-y) * .9) 0;
  text-align:center;
}
.cta::before,.cta::after{
  content:""; position:absolute; border-radius:50%; pointer-events:none;
}
.cta::before{
  width:520px; height:520px; left:-120px; top:-180px;
  background:radial-gradient(circle,rgba(255,106,43,.28),transparent 68%);
}
.cta::after{
  width:560px; height:560px; right:-140px; bottom:-240px;
  background:radial-gradient(circle,rgba(123,91,255,.28),transparent 68%);
}
.cta-inner{ position:relative; z-index:2; max-width:720px; margin:0 auto; }
.cta h2{ margin-bottom:16px; }
.cta p{ font-size:16px; margin-bottom:32px; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.cta-band{
  position:absolute; left:0; right:0; bottom:0; height:2px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--secondary),transparent);
}
.backhome{ margin-top:26px; }

/* ============ 空态 / 骨架 ============ */
.empty{
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);
  padding:40px 24px; text-align:center;
}
.empty svg{ width:44px; height:44px; margin:0 auto 16px; stroke:var(--text-3); fill:none; stroke-width:1.6; }
.empty p{ font-size:14px; margin-bottom:18px; }
.skeleton{
  background:var(--surface-2); border-radius:var(--radius);
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.55; } }

/* ============ 表单 ============ */
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:12px; }
.field label{ font-size:13px; color:var(--text-2); }
.field input{
  background:var(--surface); border:1px solid var(--line);
  border-radius:12px; padding:14px 14px; font-size:14px; color:var(--text);
  transition:border-color var(--t), box-shadow var(--t);
}
.field input::placeholder{ color:var(--text-3); }
.field input:focus{
  outline:none; border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,106,43,.18);
}
.field .err{ display:none; font-size:12px; color:var(--danger); }
.field.has-error input{ border-color:var(--danger); }
.field.has-error .err{ display:block; }

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:""; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--secondary),transparent);
}
.footer-top{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px; padding:64px 0 48px;
}
.footer-brand .logo{ margin-bottom:16px; }
.footer-brand p{ font-size:14px; line-height:1.8; max-width:340px; }
.footer-col h4{ font-size:15px; font-weight:700; margin-bottom:16px; color:var(--text); }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col ul a{ font-size:14px; color:var(--text-2); transition:color var(--t); }
.footer-col ul a:hover{ color:var(--primary); }
.footer-bottom{
  display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  padding:20px 0 32px; border-top:1px solid var(--line);
  font-size:12.5px; color:var(--text-3);
}
.fb-left{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.meta-dot{ width:4px; height:4px; border-radius:50%; background:var(--text-3); display:inline-block; }
@media (max-width:1024px){
  .footer-top{ grid-template-columns:1fr 1fr; gap:32px; }
  .footer-brand{ grid-column:span 2; }
}
@media (max-width:768px){
  .footer-top{ grid-template-columns:1fr; gap:32px; padding:48px 0 36px; }
  .footer-brand{ grid-column:auto; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}