/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --ink:#14201E;
  --ink-2:#3A4643;
  --muted:#6E7B77;
  --primary:#2E5D57;
  --primary-deep:#1F4440;
  --accent:#D2733F;
  --accent-soft:#F3DDCF;
  --sand:#E7DFD1;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --line:#DDD6C8;
  --cream:#F3F1EA;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow-1:0 1px 2px rgba(20,32,30,.06);
  --shadow-2:0 18px 40px -18px rgba(20,32,30,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent-soft);color:var(--ink)}
/* ===== 容器与板块 ===== */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.sec{padding:96px 0;position:relative}
.sec-tight{padding:72px 0}
.sec-sand{background:var(--sand)}
.sec-surface{background:var(--surface)}
.sec-dark{background:var(--primary-deep);color:var(--cream)}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2{font-size:34px;color:var(--ink)}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.9}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.sec-head-row .sec-head{margin-bottom:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--primary);font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:block}
/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  min-height:44px;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(210,115,63,.9)}
.btn-primary:hover{background:#DE8250;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(210,115,63,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(210,115,63,.9)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:var(--cream);color:var(--primary-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline-light{background:transparent;color:var(--cream);border-color:rgba(243,241,234,.45)}
.btn-outline-light:hover{background:rgba(243,241,234,.12);border-color:var(--cream);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
/* ===== 纯文字链接 ===== */
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);position:relative;padding-bottom:2px}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--accent);transition:width .26s var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{width:100%}
/* ===== 顶部信息条 ===== */
.topbar{background:var(--primary-deep);color:rgba(243,241,234,.82);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{color:var(--cream);font-weight:600}
.topbar-sep{width:1px;height:12px;background:rgba(243,241,234,.28);flex:none}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(243,241,234,.72)}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}
.topbar-right a{color:rgba(243,241,234,.82);transition:color .2s var(--ease)}
.topbar-right a:hover{color:#fff}
.topbar-right a.is-accent{color:var(--accent);font-weight:600}
.topbar-right a.is-accent:hover{color:#E58C58}
/* ===== 主导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:40px;height:40px;border-radius:11px;background:var(--primary);color:var(--cream);display:grid;place-items:center;font-size:17px;font-weight:700;letter-spacing:.02em;box-shadow:var(--shadow-1);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-line1{font-size:17px;font-weight:700;color:var(--ink)}
.brand-line2{font-size:12px;color:var(--muted);letter-spacing:.1em}
.main-nav{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--primary);transition:width .26s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* 移动端全屏面板 */
.mobile-panel{position:fixed;inset:0;background:#fff;z-index:90;display:flex;flex-direction:column;transform:translateX(102%);transition:transform .32s var(--ease);visibility:hidden}
.mobile-panel.is-open{transform:translateX(0);visibility:visible}
.mobile-head{display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 20px;border-bottom:1px solid var(--line);flex:none}
.mobile-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;font-size:20px;color:var(--ink);cursor:pointer;display:grid;place-items:center}
.mobile-links{flex:1;overflow-y:auto;padding:8px 20px}
.mobile-links a{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2)}
.mobile-links a.is-active{color:var(--primary);font-weight:600}
.mobile-links a span{color:var(--muted);font-size:14px}
.mobile-foot{padding:16px 20px 28px;border-top:1px solid var(--line);flex:none;display:grid;gap:10px}
/* ===== Hero ===== */
.hero{padding:64px 0 88px;background:var(--bg);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,93,87,.08),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.16fr 1fr;gap:52px;align-items:center;position:relative;z-index:1}
.stamp{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--primary);border-radius:4px;color:var(--primary);font-size:12.5px;font-weight:600;letter-spacing:.12em;margin-bottom:22px}
.stamp i{width:6px;height:6px;background:var(--accent);border-radius:50%;display:block}
.hero h1{font-size:clamp(30px,4.1vw,50px);line-height:1.2;color:var(--ink);max-width:14em}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:34px}
.hero-points li{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-2);padding:0 16px;border-left:1px solid var(--line)}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-points li i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block;flex:none}
.hero-media{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:5/4;box-shadow:var(--shadow-2);background:var(--sand)}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.02)}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,32,30,0) 45%,rgba(20,32,30,.42));pointer-events:none}
.hero-tag{position:absolute;left:18px;bottom:18px;z-index:2;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(243,241,234,.94);color:var(--primary-deep);font-size:12.5px;font-weight:600}
/* ===== 权益对比表 ===== */
.compare-scroll{overflow-x:auto;padding-bottom:4px}
.compare-table{width:100%;min-width:760px;border-spacing:0;background:var(--surface);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line)}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{background:var(--sand);font-weight:700;color:var(--ink);font-size:15px;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table thead th .tier-name{display:block;font-size:16px;margin-bottom:4px}
.compare-table thead th .tier-desc{display:block;font-size:12.5px;font-weight:400;color:var(--muted);line-height:1.7}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td:first-child,.compare-table th:first-child{font-weight:600;color:var(--ink);width:26%}
.compare-table tbody tr:hover td{background:rgba(231,223,209,.28)}
.col-rec{background:rgba(243,221,207,.42)!important;position:relative}
.compare-table thead th.col-rec{background:var(--accent-soft)!important}
.rec-badge{display:inline-block;margin-left:8px;padding:2px 9px;border-radius:999px;background:var(--accent);color:#fff;font-size:11.5px;font-weight:600;vertical-align:middle}
.yes{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.yes::before{content:"✓";color:var(--accent);font-weight:700}
.no{color:#A9B2AE;font-weight:600;letter-spacing:.1em}
.compare-foot td{padding:18px 20px 22px;border-bottom:0}
.compare-mobile{display:none}
/* ===== 等级亮点 ===== */
.levels-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px;align-items:start}
.level-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--shadow-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.level-card:nth-child(2){margin-top:40px}
.level-card:nth-child(3){margin-top:18px}
.level-num{font-size:46px;font-weight:700;color:rgba(46,93,87,.16);line-height:1;margin-bottom:16px;letter-spacing:.02em}
.level-card h3{font-size:21px;color:var(--ink)}
.level-card p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85}
.level-line{height:1px;background:var(--line);margin:22px 0 18px}
.level-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:rgba(46,93,87,.08);color:var(--primary);font-size:12.5px;font-weight:600}
.tag-accent{background:var(--accent-soft);color:#8C4A24}
/* ===== 专属内容预览 ===== */
.preview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.content-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.content-card:hover .content-title{color:var(--primary)}
.content-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
.content-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.content-card:hover .content-thumb img{transform:scale(1.03)}
.chip{position:absolute;left:14px;top:14px;padding:4px 11px;border-radius:999px;background:rgba(243,241,234,.94);color:var(--primary-deep);font-size:12px;font-weight:600}
.lock{position:absolute;right:14px;bottom:14px;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--accent);background:rgba(247,244,237,.9);color:var(--accent);display:grid;place-items:center;font-size:13px}
.content-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.content-title{font-size:18px;color:var(--ink);transition:color .22s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.content-desc{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.content-meta{margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--muted);display:flex;align-items:center;justify-content:space-between}
/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);height:100%}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary)}
.news-card:hover .news-title{color:var(--primary)}
.news-tag{align-self:flex-start;padding:3px 11px;border-radius:999px;background:rgba(46,93,87,.08);color:var(--primary);font-size:12px;font-weight:600;margin-bottom:14px}
.news-title{font-size:17px;color:var(--ink);line-height:1.55;transition:color .22s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.news-more{color:var(--primary);font-weight:600}
.empty-state{padding:56px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface)}
.empty-icon{font-size:26px;color:var(--accent);margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:14px}
/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:32% 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:108px}
.faq-aside h2{font-size:32px;color:var(--ink)}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:20px 0;font-size:16.5px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item .faq-icon{flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);font-size:14px;transition:transform .26s var(--ease),background .26s var(--ease),color .26s var(--ease);margin-top:3px}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;border-color:var(--primary)}
.faq-item[open] summary{color:var(--primary)}
.faq-answer{padding:0 0 22px;font-size:15px;color:var(--muted);line-height:1.9;border-left:3px solid transparent;padding-left:0;transition:border-color .2s var(--ease)}
.faq-item[open] .faq-answer{border-left:3px solid var(--accent);padding-left:16px}
.faq-actions{margin-top:32px}
/* ===== CTA ===== */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--cream);padding:96px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.14;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr auto;gap:48px;align-items:center}
.cta-inner h2{font-size:34px;color:var(--cream);max-width:16em}
.cta-inner p{margin-top:16px;font-size:15px;color:rgba(243,241,234,.72);line-height:1.9;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.cta-side{display:grid;gap:12px;min-width:250px}
.cta-fact{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border:1px solid rgba(243,241,234,.18);border-radius:var(--r-md);font-size:13.5px;color:rgba(243,241,234,.78)}
.cta-fact strong{color:var(--cream);font-size:15px;font-weight:700}
/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(243,241,234,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(243,241,234,.14);color:var(--cream)}
.footer-brand .brand-line1{color:var(--cream)}
.footer-brand .brand-line2{color:rgba(243,241,234,.55)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(243,241,234,.65);max-width:30em}
.footer-domain{margin-top:16px;font-size:13px;color:rgba(243,241,234,.5)}
.footer-col h4{font-size:14px;color:var(--cream);margin-bottom:18px;font-weight:700}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:rgba(243,241,234,.68);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(243,241,234,.14);padding:22px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(243,241,234,.5)}
/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .wrap{padding:0 22px}
  .sec{padding:84px 0}
  .hero{padding:56px 0 76px}
  .hero-grid{gap:40px}
  .main-nav{gap:20px}
  .nav-link{font-size:14.5px}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .cta-side{grid-template-columns:repeat(3,1fr);min-width:0}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{justify-content:space-between}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{max-width:none}
  .hero-media{min-height:320px;aspect-ratio:16/9}
  .sec-head h2{font-size:28px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:14px}
  .levels-grid{grid-template-columns:1fr 1fr}
  .level-card:nth-child(3){margin-top:0;grid-column:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-side{grid-template-columns:1fr}
  .compare-scroll{position:relative}
  .compare-scroll::after{content:"";position:absolute;right:0;top:0;bottom:0;width:42px;background:linear-gradient(90deg,rgba(247,244,237,0),rgba(247,244,237,.95));pointer-events:none;border-radius:0 var(--r-lg) var(--r-lg) 0}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .sec{padding:56px 0}
  .sec-tight{padding:48px 0}
  .topbar-note{display:none}
  .topbar-right{gap:14px}
  .header-inner{height:68px;gap:12px}
  .brand-mark{width:36px;height:36px;font-size:15px}
  .brand-line1{font-size:16px}
  .header-actions .btn-primary{height:40px;padding:0 16px;font-size:14px}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px;margin-top:16px}
  .hero-actions{margin-top:26px}
  .hero-actions .btn{width:100%}
  .hero-points{margin-top:26px;row-gap:12px}
  .hero-points li{font-size:13px;padding:0 12px}
  .hero-media{aspect-ratio:4/3}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .sec-head p{font-size:14px}
  .compare-scroll{display:none}
  .compare-mobile{display:grid;gap:16px}
  .tier-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 20px;box-shadow:var(--shadow-1)}
  .tier-card.is-rec{border-color:var(--accent);background:rgba(243,221,207,.35)}
  .tier-card h3{font-size:18px;display:flex;align-items:center;gap:8px;margin-bottom:4px}
  .tier-card .tier-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
  .tier-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
  .tier-row span:first-child{color:var(--ink-2)}
  .tier-row span:last-child{font-weight:600;color:var(--primary)}
  .tier-card .btn{margin-top:16px}
  .levels-grid{grid-template-columns:1fr}
  .level-card:nth-child(2),.level-card:nth-child(3){margin-top:0}
  .level-card:nth-child(3){grid-column:auto}
  .preview-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .faq-aside h2{font-size:24px}
  .faq-item summary{font-size:15.5px;padding:18px 0}
  .cta-band{padding:60px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{padding:56px 0 0}
  .footer-bottom{margin-top:40px;flex-direction:column;gap:8px}
  .reveal{opacity:1;transform:none}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr}
  .brand-line2{letter-spacing:.06em}
  .hero-points li{padding:0 10px}
  .news-card,.content-body{padding:20px}
}

/* roulang page: article */
:root{
  --ink:#14201E;
  --ink-2:#3A4643;
  --muted:#6E7B77;
  --primary:#2E5D57;
  --primary-deep:#1F4440;
  --accent:#D2733F;
  --accent-soft:#F3DDCF;
  --sand:#E7DFD1;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --line:#DDD6C8;
  --shadow-1:0 1px 2px rgba(20,32,30,.06);
  --shadow-2:0 18px 40px -18px rgba(20,32,30,.28);
  --radius:16px;
  --radius-sm:10px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;border-style:none}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--primary-deep);color:rgba(243,241,234,.85);font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-left .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.topbar-domain{color:#F3F1EA;letter-spacing:.02em}
.topbar-left .tip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:0;flex:0 0 auto}
.topbar-right a{padding:0 14px;color:rgba(243,241,234,.82);transition:color .2s ease}
.topbar-right a+a{border-left:1px solid rgba(243,241,234,.22)}
.topbar-right a:last-child{color:var(--accent-soft);font-weight:600;padding-right:0}
.topbar-right a:hover{color:#fff}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);
  color:#F3F1EA;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-line1{font-size:17px;font-weight:700;color:var(--ink)}
.brand-line2{font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:8px 0;transition:color .22s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .26s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1);background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle.is-active span{background:transparent}
.nav-toggle.is-active span::before{transform:rotate(45deg);top:0}
.nav-toggle.is-active span::after{transform:rotate(-45deg);top:0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#FFF;box-shadow:0 6px 16px -10px rgba(210,115,63,.9)}
.btn-primary:hover{background:#DE824F;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(210,115,63,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#FFF}
.btn-light{background:#F3F1EA;color:var(--primary-deep)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#F3F1EA;border-color:rgba(243,241,234,.5)}
.btn-outline-light:hover{border-color:#F3F1EA;background:rgba(243,241,234,.1)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
  position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.link-more:hover::after{transform:scaleX(1)}

/* ===== 文章页主体 ===== */
.article-top{background:linear-gradient(180deg,rgba(231,223,209,.55) 0%,rgba(247,244,237,0) 100%);padding:36px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#BFB8A9}
.crumb .current{color:var(--ink-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-section{padding:40px 0 88px}
.article-layout{display:block}
.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--primary);
  background:rgba(46,93,87,.08);padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.section-label::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px}

.article-title{
  font-size:44px;line-height:1.28;font-weight:700;color:var(--ink);
  margin:0 0 22px;max-width:20em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  font-size:13.5px;color:var(--muted);
  padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:36px;
}
.article-meta .m-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .m-item i{color:var(--primary);font-size:12px}
.article-meta .tag{
  background:var(--accent-soft);color:#8A4720;font-weight:600;
  padding:3px 12px;border-radius:999px;font-size:12.5px;
}

.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:27px;line-height:1.35;color:var(--ink);font-weight:700;
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:18px;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:20px;line-height:1.5;color:var(--ink);font-weight:700;margin:1.6em 0 .6em}
.article-body h4{font-size:17px;color:var(--ink);font-weight:700;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.5em;counter-increment:item}
.article-body ol li::before{
  content:counter(item) ".";position:absolute;left:0;top:0;color:var(--accent);font-weight:700;
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:rgba(231,223,209,.45);
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em auto;max-width:100%;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th{
  background:var(--sand);color:var(--ink);text-align:left;font-weight:700;
  padding:12px 14px;border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(46,93,87,.35)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

.article-empty{
  max-width:800px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:48px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.article-empty .empty-icon{
  width:56px;height:56px;border-radius:14px;margin:0 auto 18px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.article-empty h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.article-empty p{font-size:15px;color:var(--muted);margin-bottom:24px}

/* 文末操作区 */
.article-foot{
  max-width:800px;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.foot-nav{display:flex;flex-wrap:wrap;gap:10px}
.foot-nav a{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);
  font-size:14px;color:var(--ink-2);transition:all .22s ease;
}
.foot-nav a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.foot-tools{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s ease;
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.icon-btn:active{transform:translateY(0)}

/* 侧栏 */
.article-side{display:none}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-1);
}
.side-card+.side-card{margin-top:20px}
.side-card h3{font-size:16px;color:var(--ink);margin-bottom:10px;font-weight:700}
.side-card p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-bottom:18px}
.side-card .btn{width:100%;height:44px;font-size:14.5px}
.side-links{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:10px}
.side-links a{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;transition:color .2s ease,transform .2s ease}
.side-links a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.side-links a:hover{color:var(--primary);transform:translateX(2px)}

/* 相关推荐 */
.rel-block{margin-top:72px;padding-top:48px;border-top:1px solid var(--line)}
.rel-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:26px}
.rel-head h2{font-size:26px;color:var(--ink)}
.rel-head p{font-size:14px;color:var(--muted);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .26s cubic-bezier(.2,.7,.3,1),box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFC7B7}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16.5px;line-height:1.5;color:var(--ink);font-weight:700;transition:color .22s ease}
.rel-card:hover .rel-body h3{color:var(--primary)}
.rel-body p{font-size:13.5px;line-height:1.8;color:var(--muted);flex:1}
.rel-meta{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px;padding-top:4px}

/* 会员引导条 */
.member-bar{margin-top:56px}
.member-inner{
  background:var(--primary-deep);border-radius:18px;padding:38px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.member-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,115,63,.28),rgba(210,115,63,0) 68%);
  pointer-events:none;
}
.member-text{position:relative;z-index:1;max-width:640px}
.member-text h3{font-size:21px;color:#F3F1EA;margin-bottom:8px}
.member-text p{font-size:14.5px;color:rgba(243,241,234,.72);line-height:1.8}
.member-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(243,241,234,.72);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--accent);color:#15211F}
.footer-brand .brand-line1{color:#F3F1EA}
.footer-brand .brand-line2{color:var(--accent-soft)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,241,234,.72);max-width:34ch;margin-bottom:14px}
.footer-domain{font-size:12.5px;color:rgba(243,241,234,.5);letter-spacing:.02em}
.footer-col h4{font-size:15px;color:#F3F1EA;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(243,241,234,.72);transition:color .2s ease,transform .2s ease;display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(243,241,234,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(243,241,234,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-title{font-size:38px}
  .article-body{max-width:100%}
}
@media (min-width:1200px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:52px;align-items:start}
  .article-side{display:block;position:sticky;top:100px}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .main-nav{gap:18px}
  .nav-link{font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-title{font-size:33px}
  .article-body h2{font-size:24px}
}
@media (max-width:900px){
  .header-inner{min-height:64px;gap:14px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;order:3}
  .main-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:var(--surface);
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:88px 24px 32px;
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .26s ease,transform .26s cubic-bezier(.2,.7,.3,1);
    z-index:80;overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .main-nav .nav-link{
    font-size:16px;padding:18px 0;border-bottom:1px solid var(--line);width:100%;
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--primary)}
  .header-actions{margin-left:auto;order:2}
  .header-actions .btn-ghost{display:none}
  .header-actions .btn{height:38px;padding:0 14px;font-size:13.5px}
  .nav-toggle{position:relative;z-index:95;order:3;margin-left:0}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .topbar-left .tip{display:none}
  .topbar-right a{padding:0 10px;font-size:12px}
  .article-top{padding-top:22px}
  .article-section{padding:28px 0 64px}
  .article-title{font-size:27px;line-height:1.34}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .rel-grid{grid-template-columns:1fr;gap:18px}
  .rel-block{margin-top:52px;padding-top:36px}
  .member-inner{padding:28px 22px;border-radius:16px}
  .member-actions{width:100%}
  .member-actions .btn{flex:1;min-width:0}
  .article-foot{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:52px}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start}
  .footer-desc{max-width:100%}
}
@media (max-width:400px){
  .article-title{font-size:24px}
  .foot-nav a{font-size:13px;padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#14201E;
  --ink-2:#3A4643;
  --muted:#6E7B77;
  --primary:#2E5D57;
  --primary-deep:#1F4440;
  --accent:#D2733F;
  --accent-soft:#F3DDCF;
  --sand:#E7DFD1;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --line:#DDD6C8;
  --light-text:#F3F1EA;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,30,.06);
  --shadow-2:0 18px 40px -18px rgba(20,32,30,.28);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}

body.nav-open{overflow:hidden;}

img{max-width:100%;display:block;border:0;}

a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}

p{margin:0 0 1em;line-height:1.85;}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-sans);
  color:var(--ink);
  font-weight:700;
  line-height:1.28;
  margin:0 0 14px;
  letter-spacing:0;
}

h2{font-size:clamp(24px,3vw,32px);}
h3{font-size:20px;line-height:1.4;}

ul,ol{margin:0 0 1em;}

button{font-family:inherit;}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}

::selection{background:var(--accent-soft);color:var(--ink);}

/* ===== 容器与区块 ===== */
.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

.section{padding:96px 0;}
.section-prep{background:var(--surface);}
.section-steps{background:var(--bg);}
.section-scenes{background:var(--surface);}
.section-faq{background:var(--bg);}

.sec-head{max-width:660px;margin-bottom:44px;}
.sec-head h2{margin-bottom:12px;}
.sec-sub{color:var(--muted);font-size:16px;line-height:1.85;margin:0;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}

.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 18px -12px rgba(210,115,63,.95);
}
.btn-primary:hover{
  background:#DC8250;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 26px -12px rgba(210,115,63,.95);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -8px rgba(210,115,63,.9);}

.btn-ghost{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-ghost:hover{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0);}

.btn-light{
  background:transparent;
  border-color:rgba(243,241,234,.45);
  color:var(--light-text);
}
.btn-light:hover{
  background:rgba(243,241,234,.12);
  border-color:rgba(243,241,234,.8);
  color:#fff;
}

.btn-block{display:flex;width:100%;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:-3px;
  height:1px;
  background:var(--accent);
  transition:right .26s var(--ease);
}
.text-link:hover{color:var(--accent);}
.text-link:hover::after{right:0;}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--primary-deep);
  color:rgba(243,241,234,.86);
  font-size:13px;
  line-height:1;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:8px;
  padding-bottom:8px;
}
.topbar-left{display:flex;align-items:center;gap:12px;}
.topbar-domain{
  font-weight:600;
  color:#fff;
  letter-spacing:.02em;
}
.topbar-tip{color:rgba(243,241,234,.66);}
.topbar-right{display:flex;align-items:center;gap:0;}
.topbar-right a{
  color:rgba(243,241,234,.82);
  padding:0 14px;
  border-left:1px solid rgba(243,241,234,.22);
  transition:color .2s var(--ease);
}
.topbar-right a:first-child{border-left:0;}
.topbar-right a:hover{color:#fff;}
.topbar-right a.topbar-cta{color:var(--accent-soft);font-weight:600;}
.topbar-right a.topbar-cta:hover{color:#fff;}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(20,32,30,.45);}

.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand:hover .brand-line1{color:var(--primary);}

.brand-mark{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:700;
  flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}

.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:18px;font-weight:700;color:var(--ink);transition:color .22s var(--ease);}
.brand-line2{font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.04em;}

.main-nav{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:0;
  height:2px;
  background:var(--accent);
  transition:right .26s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{right:0;}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{right:0;background:var(--primary);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.nav-toggle{display:none;}

/* ===== 页首横幅 ===== */
.page-hero{
  padding:36px 0 48px;
  background:linear-gradient(180deg,#FBF9F3 0%,var(--bg) 100%);
}

.hero-shell{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  min-height:340px;
}

.hero-text{
  padding:44px 40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
}

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--primary);
  background:var(--sand);
  border-radius:999px;
  padding:5px 13px;
  margin-bottom:18px;
}
.hero-badge::before{
  content:"";
  width:6px;height:6px;
  background:var(--accent);
  border-radius:1px;
  display:inline-block;
}

.hero-text h1{
  font-size:clamp(27px,3.2vw,38px);
  line-height:1.3;
  margin:0 0 16px;
}

.hero-sub{
  font-size:16px;
  color:var(--ink-2);
  line-height:1.85;
  margin:0 0 26px;
  max-width:430px;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}

.hero-points{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  list-style:none;
  margin:0;
  padding:0;
  font-size:13px;
  color:var(--muted);
}
.hero-points li{
  padding:0 14px;
  border-left:1px solid var(--line);
  line-height:1.5;
}
.hero-points li:first-child{padding-left:0;border-left:0;}

.hero-media{position:relative;min-height:340px;overflow:hidden;background:var(--sand);}
.hero-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(20,32,30,.16),rgba(20,32,30,0) 45%);
  pointer-events:none;
}

/* ===== 登录前准备 ===== */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.prep-item{
  padding:34px 28px 6px;
  border-left:1px solid var(--line);
  transition:background-color .24s var(--ease);
}
.prep-item:first-child{border-left:0;padding-left:0;}
.prep-item:last-child{padding-right:0;}
.prep-item:hover{background:rgba(231,223,209,.22);}
.prep-idx{
  display:block;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.prep-item h3{font-size:19px;margin:0 0 10px;}
.prep-item p{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0 0 20px;}

/* ===== 登录步骤 ===== */
.timeline{
  list-style:none;
  margin:0;
  padding:0;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  left:15px;
  top:16px;
  bottom:34px;
  width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,var(--line) 100%);
}
.timeline li{
  position:relative;
  padding:0 0 34px 52px;
}
.timeline li:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:8px;
  top:7px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px var(--bg);
  transition:transform .24s var(--ease);
}
.timeline li:hover .tl-dot{transform:scale(1.18);}
.tl-body h3{
  font-size:19px;
  margin:0 0 8px;
  display:flex;
  align-items:baseline;
}
.tl-num{
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.06em;
  margin-right:11px;
  flex:0 0 auto;
}
.tl-body p{
  margin:0;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.9;
}

.steps-aside{
  display:flex;
  flex-direction:column;
  gap:20px;
}

.tip-card{
  background:var(--sand);
  border-left:4px solid var(--primary);
  border-radius:14px;
  padding:24px 24px 20px;
}
.tip-card h3{font-size:17px;margin:0 0 14px;}
.tip-list{
  margin:0;
  padding-left:18px;
  font-size:14px;
  line-height:1.85;
  color:var(--ink-2);
}
.tip-list li+li{margin-top:10px;}
.tip-list strong{color:var(--ink);font-weight:600;}

/* ===== 表单 ===== */
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px 24px;
  box-shadow:var(--shadow-1);
}
.form-card h3{font-size:17px;margin:0 0 8px;}
.form-note{
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
  margin:0 0 20px;
}

.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-bottom:6px;
  font-weight:500;
}
.field input,
.field select,
.field textarea{
  width:100%;
  margin:0;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#FCFBF7;
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  box-shadow:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{
  height:auto;
  min-height:88px;
  padding:12px 14px;
  line-height:1.75;
  resize:vertical;
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236E7B77' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  padding-right:38px;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(46,93,87,.16);
}
.field input::placeholder,
.field textarea::placeholder{color:#A3ACA7;}

.form-privacy{
  font-size:12px;
  color:var(--muted);
  line-height:1.75;
  margin:12px 0 0;
}
.form-ok{
  margin:14px 0 0;
  padding:10px 14px;
  border-radius:10px;
  background:rgba(46,93,87,.1);
  border-left:3px solid var(--primary);
  color:var(--primary-deep);
  font-size:13px;
  line-height:1.7;
}

/* ===== 适用场景 ===== */
.scene-figure{
  margin:0;
  border-radius:var(--radius-sm);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  aspect-ratio:4 / 3;
}
.scene-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.scene-figure:hover img{transform:scale(1.03);}

.scene-list{
  list-style:none;
  margin:24px 0 0;
  padding:0;
}
.scene-list li{
  position:relative;
  padding:15px 0 15px 26px;
  border-top:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
}
.scene-list li:last-child{border-bottom:1px solid var(--line);}
.scene-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:24px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
}
.scene-list strong{color:var(--ink);font-weight:600;}

/* ===== 常见疑问 ===== */
.faq-head h2{margin-bottom:12px;}
.faq-head p{color:var(--muted);font-size:15px;line-height:1.85;margin:0;}

.faq-list{border-top:1px solid var(--line);}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.faq-item.is-open{
  box-shadow:inset 3px 0 0 var(--accent);
  background:rgba(243,221,207,.16);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  text-align:left;
  background:transparent;
  border:0;
  padding:20px 18px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  transition:transform .28s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:1px;
  transition:opacity .24s var(--ease),background-color .24s var(--ease);
}
.faq-icon::before{left:6px;right:6px;top:10px;height:1.5px;}
.faq-icon::after{top:6px;bottom:6px;left:10px;width:1.5px;}
.faq-item.is-open .faq-icon{
  transform:rotate(180deg);
  border-color:var(--accent);
  background:var(--accent-soft);
}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--accent);}
.faq-item.is-open .faq-icon::after{opacity:0;}

.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-item.is-open .faq-a{max-height:520px;}
.faq-a p{
  margin:0;
  padding:0 18px 22px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.9;
}

.back-home{margin-top:28px;}

/* ===== 结尾行动区 ===== */
.cta-band{
  position:relative;
  background:var(--ink);
  color:var(--light-text);
  padding:88px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(243,241,234,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(243,241,234,.055) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(to left,rgba(0,0,0,.9),transparent 62%);
  mask-image:linear-gradient(to left,rgba(0,0,0,.9),transparent 62%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-text h2{color:var(--light-text);margin-bottom:12px;}
.cta-text p{
  margin:0;
  color:rgba(243,241,234,.72);
  font-size:15px;
  line-height:1.85;
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink);
  color:rgba(243,241,234,.72);
  padding:72px 0 0;
  border-top:1px solid rgba(243,241,234,.1);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:52px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(243,241,234,.1);color:var(--light-text);}
.footer-brand .brand-line1{color:var(--light-text);}
.footer-brand .brand-line2{color:var(--accent-soft);}
.footer-desc{
  font-size:14px;
  line-height:1.9;
  color:rgba(243,241,234,.66);
  margin:0 0 14px;
  max-width:340px;
}
.footer-domain{
  font-size:13px;
  color:rgba(243,241,234,.5);
  margin:0;
  letter-spacing:.02em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--light-text);
  margin:2px 0 18px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(243,241,234,.66);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--accent-soft);transform:translateX(2px);}

.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  border-top:1px solid rgba(243,241,234,.12);
  font-size:13px;
  color:rgba(243,241,234,.46);
  line-height:1.7;
}

/* ===== 动效 ===== */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-text > *{animation:fadeUp .55s var(--ease) both;}
.hero-text > *:nth-child(2){animation-delay:.06s;}
.hero-text > *:nth-child(3){animation-delay:.12s;}
.hero-text > *:nth-child(4){animation-delay:.18s;}
.hero-text > *:nth-child(5){animation-delay:.24s;}

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

/* ===== 响应式 ===== */
@media screen and (max-width:1199px){
  .main-nav{gap:20px;}
  .nav-link{font-size:14px;}
  .section{padding:80px 0;}
}

@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .hero-text{padding:38px 32px;}
  .hero-media{min-height:300px;}
  .prep-grid{grid-template-columns:1fr;}
  .prep-item{
    border-left:0;
    border-top:1px solid var(--line);
    padding:26px 0 4px;
  }
  .prep-item:first-child{border-top:0;padding-top:26px;}
  .steps-aside{position:static;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}

@media screen and (max-width:900px){
  .main-nav{
    position:fixed;
    inset:0;
    z-index:90;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:96px 24px 132px;
    background:var(--surface);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    font-size:16px;
    padding:18px 2px;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--primary);}

  .header-actions{display:none;}
  body.nav-open .header-actions{
    display:flex;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:95;
    padding:16px 24px;
    gap:12px;
    background:var(--surface);
    border-top:1px solid var(--line);
    box-shadow:0 -8px 24px -20px rgba(20,32,30,.5);
  }
  body.nav-open .header-actions .btn{flex:1;}

  .nav-toggle{
    display:block;
    position:relative;
    width:44px;
    height:44px;
    min-width:44px;
    margin-left:auto;
    background:transparent;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    cursor:pointer;
    z-index:96;
    transition:border-color .2s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--primary);}
  .nav-toggle span,
  .nav-toggle::before,
  .nav-toggle::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    height:2px;
    background:var(--ink);
    border-radius:1px;
    transition:transform .24s var(--ease),opacity .2s var(--ease),top .24s var(--ease);
  }
  .nav-toggle span{top:21px;}
  .nav-toggle::before{top:14px;}
  .nav-toggle::after{top:28px;}
  body.nav-open .nav-toggle span{opacity:0;}
  body.nav-open .nav-toggle::before{top:21px;transform:rotate(45deg);}
  body.nav-open .nav-toggle::after{top:21px;transform:rotate(-45deg);}

  .header-inner{min-height:68px;gap:12px;}
  .topbar-tip{display:none;}
  .topbar-right a{padding:0 10px;}
  .topbar-right a:first-child{display:none;}

  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 24px;}
  .footer-col:first-child{grid-column:1 / -1;}
}

@media screen and (max-width:767px){
  .wrap{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:28px;}
  h2{font-size:24px;}

  .page-hero{padding:20px 0 32px;}
  .hero-shell{min-height:0;}
  .hero-text{padding:28px 22px 26px;}
  .hero-text h1{font-size:26px;}
  .hero-sub{font-size:15px;margin-bottom:22px;}
  .hero-actions{width:100%;margin-bottom:22px;}
  .hero-actions .btn{flex:1 1 auto;min-width:140px;}
  .hero-points{font-size:12px;}
  .hero-points li{padding:0 10px;}
  .hero-media{min-height:220px;order:2;}

  .timeline::before{left:11px;}
  .timeline li{padding-left:40px;padding-bottom:28px;}
  .tl-dot{left:4px;width:14px;height:14px;}
  .tl-body h3{font-size:17px;}
  .tl-body p{font-size:14.5px;}

  .tip-card{padding:20px 18px 16px;}
  .form-card{padding:22px 18px 20px;}

  .faq-q{padding:18px 14px;font-size:15.5px;gap:14px;}
  .faq-a p{padding:0 14px 20px;font-size:14.5px;}

  .cta-band{padding:60px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;min-width:150px;}

  .site-footer{padding-top:56px;}
  .footer-grid{padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding-bottom:32px;}
}

@media screen and (max-width:520px){
  .brand-line1{font-size:16px;}
  .brand-line2{font-size:12px;}
  .hero-actions .btn{width:100%;flex:1 1 100%;}
  .cta-actions .btn{width:100%;flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col:first-child{grid-column:auto;}
  .scene-list li{font-size:14.5px;padding-left:22px;}
  .prep-item h3{font-size:17.5px;}
}

/* roulang page: category2 */
:root{
  --ink:#14201E;
  --ink-2:#3A4643;
  --muted:#6E7B77;
  --primary:#2E5D57;
  --primary-deep:#1F4440;
  --accent:#D2733F;
  --accent-soft:#F3DDCF;
  --sand:#E7DFD1;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --line:#DDD6C8;
  --light-text:#F3F1EA;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,30,.06);
  --shadow-2:0 18px 40px -18px rgba(20,32,30,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,ol,figure,table{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--ink);letter-spacing:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
button{font-family:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--surface{background:var(--surface)}
.section--sand{background:var(--sand)}
.section--ink{background:var(--ink);color:var(--light-text)}

/* ---------- 顶部信息条（沿用首页结构，内页不重复渲染） ---------- */

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:10px;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:0;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line1{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:0}
.brand-line2{font-size:13px;font-weight:600;color:var(--primary);letter-spacing:0}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .24s var(--ease);
  text-align:center;white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#dd7f4b;border-color:#dd7f4b;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-ghost:active{background:var(--primary-deep);border-color:var(--primary-deep)}
.btn-light{background:var(--surface);color:var(--primary-deep);border-color:var(--surface)}
.btn-light:hover{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--primary-deep);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:var(--light-text);border-color:rgba(243,241,234,.5)}
.btn-outline-light:hover{background:rgba(243,241,234,.12);color:#fff;border-color:var(--light-text)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.nav-open .nav-toggle span{background:transparent}
.site-header.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 标题区 ---------- */
.page-lead{
  background-color:var(--sand);
  background-image:
    linear-gradient(rgba(31,68,64,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,68,64,.055) 1px,transparent 1px);
  background-size:28px 28px,28px 28px;
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B9B1A2}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--accent)}
.crumb .is-current{color:var(--primary);font-weight:600}
.lead-seal{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 10px;border:1px solid var(--primary);
  border-radius:8px;color:var(--primary);font-size:15px;font-weight:700;
  letter-spacing:2px;margin-bottom:20px;background:rgba(255,255,255,.5);
}
.page-lead h1{
  font-size:46px;line-height:1.2;max-width:860px;margin-bottom:20px;
}
.page-lead h1 .hl{color:var(--primary)}
.lead-sub{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:760px}
.lead-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.lead-tags a{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.72);border:1px solid var(--line);color:var(--ink-2);
  font-size:14px;transition:all .24s var(--ease);
}
.lead-tags a:hover{background:var(--surface);border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.lead-tags .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* ---------- 通用板块标题 ---------- */
.sec-head{max-width:720px;margin-bottom:48px}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--primary);padding-left:14px;position:relative;margin-bottom:16px;
}
.sec-eyebrow::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;background:var(--accent);border-radius:1px}
.sec-title{font-size:32px;line-height:1.3;margin-bottom:16px}
.sec-desc{font-size:16px;color:var(--muted);line-height:1.9}

/* ---------- 权益矩阵表 ---------- */
.matrix-note{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:18px;
}
.matrix-note .bar{width:26px;height:2px;background:var(--accent);border-radius:2px}
.matrix-scroll{position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-card)}
.benefit-matrix{
  width:100%;min-width:860px;border-collapse:separate;border-spacing:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;font-size:15px;
}
.benefit-matrix th,.benefit-matrix td{
  padding:15px 18px;border-bottom:1px solid var(--line);text-align:center;vertical-align:middle;
}
.benefit-matrix th:first-child,.benefit-matrix td:first-child{text-align:left;width:28%;font-weight:600;color:var(--ink)}
.benefit-matrix thead th{
  background:#FBF8F2;font-size:15px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);padding-top:22px;padding-bottom:22px;
}
.benefit-matrix thead th .tier-sub{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:6px;letter-spacing:0}
.benefit-matrix thead th.col-rec{background:var(--accent-soft);position:relative;border-left:1px solid rgba(210,115,63,.35);border-right:1px solid rgba(210,115,63,.35)}
.rec-badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:11px;font-weight:600;letter-spacing:1px;
  position:absolute;top:-1px;left:50%;transform:translate(-50%,-50%);
}
.benefit-matrix tbody tr:last-child td{border-bottom:0}
.benefit-matrix tbody tr:hover td{background:#FBF9F4}
.benefit-matrix tbody td.col-rec{background:rgba(243,221,207,.34);border-left:1px solid rgba(210,115,63,.28);border-right:1px solid rgba(210,115,63,.28)}
.benefit-matrix tbody tr:hover td.col-rec{background:rgba(243,221,207,.5)}
.mark{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:13px;font-weight:700}
.mark.yes{color:var(--accent);background:rgba(210,115,63,.12)}
.mark.no{color:#B4AEA1;background:rgba(110,123,119,.08)}
.cell-text{font-size:14px;color:var(--ink-2)}
.col-rec .cell-text{color:var(--primary-deep);font-weight:600}
.matrix-foot{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:28px}
.matrix-foot .hint{font-size:13px;color:var(--muted);max-width:620px;line-height:1.8}

/* ---------- 等级卡 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;padding-top:16px}
.tier-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 28px;box-shadow:var(--shadow-1);transition:all .26s var(--ease);position:relative;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(46,93,87,.32)}
.tier-card.is-featured{
  transform:translateY(-24px);border:1px solid var(--accent);box-shadow:var(--shadow-2);
}
.tier-card.is-featured:hover{transform:translateY(-28px)}
.tier-card.is-offset{transform:translateY(14px)}
.tier-card.is-offset:hover{transform:translateY(10px)}
.tier-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;background:rgba(46,93,87,.09);
  color:var(--primary);font-size:12px;font-weight:600;letter-spacing:1px;margin-bottom:18px;
}
.tier-card.is-featured .tier-tag{background:var(--accent-soft);color:#A9532A}
.tier-card h3{font-size:21px;margin-bottom:12px}
.tier-card .tier-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:22px;min-height:52px}
.tier-price{display:flex;align-items:baseline;gap:6px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:22px}
.tier-price .num{font-size:30px;font-weight:700;color:var(--primary-deep);line-height:1}
.tier-price .unit{font-size:13px;color:var(--muted)}
.tier-list{margin-bottom:26px}
.tier-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);
  padding:7px 0;line-height:1.7;
}
.tier-list li .mk{flex:0 0 auto;width:16px;height:16px;border-radius:50%;background:rgba(210,115,63,.14);color:var(--accent);font-size:10px;display:flex;align-items:center;justify-content:center;margin-top:5px;font-weight:700}
.tier-list li.is-off{color:#9C978B}
.tier-list li.is-off .mk{background:rgba(110,123,119,.1);color:#B4AEA1}
.tier-card .btn{width:100%}

/* ---------- 图文：专属内容 ---------- */
.preview-grid{display:grid;grid-template-columns:minmax(0,46%) minmax(0,54%);gap:56px;align-items:center}
.preview-figure{margin:0;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-2);position:relative}
.preview-figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.preview-figure:hover img{transform:scale(1.03)}
.preview-figure figcaption{
  position:absolute;left:16px;bottom:16px;padding:6px 14px;border-radius:999px;
  background:rgba(20,32,30,.72);color:var(--light-text);font-size:12px;letter-spacing:.5px;
}
.check-list{margin:26px 0 30px}
.check-list li{
  display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);line-height:1.8;
}
.check-list li:last-child{border-bottom:0}
.check-list li .ic{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:rgba(46,93,87,.1);
  color:var(--primary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.link-underline{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);
  border-bottom:1px solid rgba(46,93,87,.35);padding-bottom:3px;transition:all .24s var(--ease);
}
.link-underline:hover{color:var(--accent);border-bottom-color:var(--accent);gap:10px}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.flow-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px;position:relative;transition:all .26s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(46,93,87,.3)}
.flow-num{
  font-size:40px;font-weight:700;color:rgba(46,93,87,.18);line-height:1;margin-bottom:14px;letter-spacing:0;
}
.flow-item h3{font-size:19px;margin-bottom:10px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.85}
.flow-connector{display:none}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:32% 68%;gap:48px;align-items:start}
.faq-aside{position:sticky;top:110px}
.faq-aside h2{font-size:30px;margin-bottom:14px;line-height:1.3}
.faq-aside p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:22px}
.faq-aside .link-underline{font-size:14px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 0;font-size:16px;font-weight:600;
  color:var(--ink);line-height:1.7;transition:color .22s var(--ease);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .26s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:var(--primary)}
.faq-item[open] summary{color:var(--primary)}
.faq-item .faq-answer{
  padding:0 0 22px;font-size:15px;color:var(--ink-2);line-height:1.9;max-width:640px;
}
.faq-item[open]::before{
  content:"";position:absolute;left:-16px;top:24px;width:3px;height:22px;background:var(--accent);border-radius:2px;
}

/* ---------- 居中 CTA ---------- */
.cta-band{background:var(--ink);color:var(--light-text);padding:96px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(243,241,234,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(243,241,234,.045) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.cta-inner{position:relative;max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:34px;color:var(--light-text);margin-bottom:16px;line-height:1.3}
.cta-inner p{font-size:16px;color:rgba(243,241,234,.72);line-height:1.9;margin-bottom:32px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:24px;font-size:12px;color:rgba(243,241,234,.5);line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(243,241,234,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:56px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--primary);color:#F3F1EA}
.footer-brand .brand-line1{color:#F3F1EA;font-size:17px;font-weight:700;display:block}
.footer-brand .brand-line2{color:rgba(243,241,234,.66);font-size:13px;font-weight:600;display:block}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(243,241,234,.66);max-width:340px;margin-bottom:14px}
.footer-domain{font-size:13px;color:rgba(243,241,234,.46);letter-spacing:.4px}
.footer-col h4{font-size:15px;color:#F3F1EA;margin-bottom:18px;font-weight:700}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:rgba(243,241,234,.7);display:inline-block;transition:all .22s var(--ease)}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(243,241,234,.12);padding:22px 0 26px;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;font-size:13px;color:rgba(243,241,234,.46);line-height:1.8;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{padding:0 22px}
  .page-lead h1{font-size:40px}
  .header-inner{gap:22px}
  .main-nav{gap:20px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .section{padding:76px 0}
  .section--tight{padding:60px 0}
  .page-lead{padding:44px 0 52px}
  .page-lead h1{font-size:34px}
  .lead-sub{font-size:16px}
  .sec-title{font-size:28px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .preview-grid{grid-template-columns:1fr;gap:32px}
  .preview-figure{order:2}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-card.is-featured,.tier-card.is-offset,.tier-card.is-featured:hover,.tier-card.is-offset:hover{transform:none}
  .flow-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .matrix-scroll{position:relative}
  .matrix-scroll::after{
    content:"";position:absolute;top:0;right:0;bottom:0;width:32px;pointer-events:none;
    background:linear-gradient(90deg,rgba(247,244,237,0),rgba(247,244,237,.9));
  }
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .main-nav{
    position:fixed;top:76px;left:0;right:0;bottom:0;background:var(--surface);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 140px;
    margin-left:0;overflow-y:auto;z-index:78;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .site-header.nav-open .main-nav{opacity:1;visibility:visible;transform:none}
  .nav-link{padding:17px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--primary)}
  .nav-toggle{display:flex}
  .header-actions{display:none}
  .site-header.nav-open .header-actions{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:79;
    padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:var(--surface);
    border-top:1px solid var(--line);gap:12px;
  }
  .site-header.nav-open .header-actions .btn{flex:1}
  .page-lead{padding:32px 0 40px}
  .page-lead h1{font-size:31px}
  .lead-sub{font-size:15px}
  .lead-tags{gap:8px;margin-top:24px}
  .lead-tags a{padding:8px 14px;font-size:13px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .sec-head{margin-bottom:32px}
  .sec-title{font-size:24px}
  .tier-card{padding:26px 22px}
  .cta-band{padding:64px 0}
  .cta-inner h2{font-size:26px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:40px}
  .site-footer{padding:52px 0 0}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{font-size:15px;padding:18px 40px 18px 0}
  .btn{min-height:48px}
}
@media (max-width:520px){
  .page-lead h1{font-size:27px}
  .lead-seal{min-width:40px;height:40px;font-size:14px}
  .matrix-scroll{border-radius:0;overflow:visible}
  .matrix-scroll::after{display:none}
  .benefit-matrix{min-width:0;border:0;background:transparent;border-radius:0}
  .benefit-matrix thead{display:none}
  .benefit-matrix,.benefit-matrix tbody,.benefit-matrix tr,.benefit-matrix td{display:block;width:100%}
  .benefit-matrix tr{
    background:var(--surface);border:1px solid var(--line);border-radius:14px;
    margin-bottom:14px;padding:4px 0;box-shadow:var(--shadow-1);
  }
  .benefit-matrix td{
    border-bottom:0;display:flex;align-items:center;justify-content:space-between;gap:14px;
    text-align:right;padding:10px 16px;font-size:14px;
  }
  .benefit-matrix td:first-child{
    display:block;text-align:left;font-size:15px;font-weight:700;color:var(--primary-deep);
    border-bottom:1px solid var(--line);padding:14px 16px 12px;
  }
  .benefit-matrix td:not(:first-child)::before{
    content:attr(data-label);color:var(--muted);font-size:13px;font-weight:400;
    text-align:left;flex:0 0 auto;
  }
  .benefit-matrix tbody td.col-rec{background:rgba(243,221,207,.4);border-left:0;border-right:0}
  .benefit-matrix tbody tr:hover td{background:transparent}
  .benefit-matrix tbody tr:hover td.col-rec{background:rgba(243,221,207,.4)}
  .cell-text{font-size:14px}
  .matrix-foot{flex-direction:column;align-items:flex-start}
  .matrix-foot .btn{width:100%}
  .cta-inner h2{font-size:23px}
  .flow-num{font-size:34px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .preview-figure:hover img{transform:none}
  .tier-card:hover,.flow-item:hover,.lead-tags a:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#14201E;
  --ink-2:#3A4643;
  --muted:#6E7B77;
  --primary:#2E5D57;
  --primary-deep:#1F4440;
  --accent:#D2733F;
  --accent-soft:#F3DDCF;
  --sand:#E7DFD1;
  --bg:#F7F4ED;
  --surface:#FFFFFF;
  --line:#DDD6C8;
  --light-text:#F3F1EA;
  --light-muted:rgba(243,241,234,.72);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,30,.06);
  --shadow-2:0 18px 40px -18px rgba(20,32,30,.28);
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--primary-deep);color:var(--light-muted);font-size:12.5px;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:12px;}
.topbar-domain{color:var(--light-text);letter-spacing:.02em;}
.topbar-sep{width:1px;height:12px;background:rgba(243,241,234,.28);display:inline-block;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{color:var(--light-muted);font-size:12.5px;}
.topbar-right a:hover{color:var(--light-text);}
.topbar-right a.is-strong{color:var(--accent);font-weight:600;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;border-radius:8px;font-size:17px;font-weight:700;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.16);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:17px;font-weight:700;letter-spacing:.02em;}
.brand-line2{font-size:13px;color:var(--muted);letter-spacing:.06em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px;margin-right:auto;}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:100%;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta-mobile{display:none;}
.header-actions{display:flex;align-items:center;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(210,115,63,.9);}
.btn-primary:hover{background:#DE7E4A;color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(210,115,63,.95);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -10px rgba(210,115,63,.8);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:transparent;color:var(--light-text);border-color:rgba(243,241,234,.5);}
.btn-light:hover{background:rgba(243,241,234,.12);color:#fff;border-color:var(--light-text);}
.btn-block{width:100%;}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.24s var(--ease);
}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:rotate(45deg) translateY(0);}
.nav-toggle.is-open span::after{transform:rotate(-45deg) translateY(-2px);}

/* ---------- 首屏标题区 ---------- */
.page-hero{
  background:
    linear-gradient(to right,rgba(46,93,87,.055) 1px,transparent 1px) 0 0/34px 34px,
    linear-gradient(to bottom,rgba(46,93,87,.055) 1px,transparent 1px) 0 0/34px 34px,
    var(--sand);
  border-bottom:1px solid var(--line);
  padding:56px 0 52px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#B7B0A1;}
.crumb .now{color:var(--ink-2);}
.stamp{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:6px;
  background:var(--surface);border:1px solid var(--line);
  font-size:12.5px;color:var(--primary);font-weight:600;letter-spacing:.08em;margin-bottom:18px;
}
.stamp i{font-size:12px;}
.page-hero h1{
  font-size:44px;line-height:1.22;max-width:840px;margin-bottom:18px;
}
.page-hero .hero-sub{
  max-width:760px;font-size:17px;color:var(--ink-2);line-height:1.85;margin-bottom:26px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;background:var(--surface);
  border:1px solid var(--line);font-size:14px;color:var(--ink-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.chip i{color:var(--primary);font-size:12px;}
.chip:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:var(--primary);color:var(--primary);}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(46,93,87,.16);}
.hero-meta div{font-size:13.5px;color:var(--ink-2);}
.hero-meta strong{display:block;font-size:22px;color:var(--primary);line-height:1.3;}

/* ---------- 问答主体 ---------- */
.faq-section{padding:96px 0 88px;background:var(--bg);}
.faq-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;}
.faq-toc{position:sticky;top:100px;}
.faq-toc h2{font-size:14px;letter-spacing:.1em;color:var(--muted);font-weight:600;margin-bottom:16px;}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);}
.toc-list a{
  display:block;padding:10px 0 10px 16px;font-size:14.5px;color:var(--ink-2);
  border-left:2px solid transparent;margin-left:-2px;
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.toc-list a:hover{color:var(--primary);border-left-color:var(--accent);padding-left:20px;}
.toc-help{margin-top:24px;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow-1);}
.toc-help p{font-size:13px;color:var(--muted);line-height:1.75;margin:0 0 12px;}
.toc-help a{font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

.faq-group{margin-bottom:56px;scroll-margin-top:110px;}
.faq-group:last-of-type{margin-bottom:0;}
.group-head{margin-bottom:22px;padding-left:16px;position:relative;}
.group-head::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;background:var(--primary);border-radius:2px;}
.group-head h2{font-size:28px;margin-bottom:8px;}
.group-head p{font-size:14.5px;color:var(--muted);margin:0;}

.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.faq-item:hover{border-color:#CFC7B6;}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--accent),var(--shadow-1);border-color:#D5CDBC;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 52px 18px 20px;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:18px;font-weight:600;line-height:1;
  border:1px solid var(--line);border-radius:50%;background:var(--bg);
  transition:transform .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--accent);border-color:var(--accent-soft);transform:translateY(-50%) rotate(180deg);}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{padding:0 24px 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.9;}
.faq-answer p{margin:0 0 .8em;}
.faq-answer p:last-child{margin-bottom:0;}
.faq-answer ul{margin:10px 0 0;}
.faq-answer li{position:relative;padding-left:16px;margin-bottom:6px?;margin-bottom:6px;}
.faq-answer li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--accent);}

/* ---------- 快速自查 ---------- */
.selfcheck{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:96px 0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-label{display:inline-block;font-size:12.5px;letter-spacing:.12em;color:var(--accent);font-weight:600;margin-bottom:12px;}
.sec-head h2{font-size:32px;margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--ink-2);margin:0;}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.check-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFC7B6;}
.check-num{font-size:44px;font-weight:700;color:var(--sand);line-height:1;margin-bottom:14px;}
.check-card h3{font-size:20px;margin-bottom:10px;}
.check-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin:0 0 16px;}
.check-card .divider{height:1px;background:var(--line);margin-bottom:14px;}
.check-card span.meta{font-size:13px;color:var(--muted);}

/* ---------- 仍未解决联系卡 ---------- */
.contact-section{padding:88px 0;background:var(--bg);}
.contact-card{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
  background:var(--sand);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.contact-body{padding:52px 48px;}
.contact-body h2{font-size:30px;margin-bottom:14px;}
.contact-body p{font-size:15.5px;color:var(--ink-2);line-height:1.9;max-width:520px;}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.contact-figure{position:relative;min-height:280px;overflow:hidden;}
.contact-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.contact-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(231,223,209,.85),rgba(46,93,87,.18));
}

/* ---------- CTA 深色区 ---------- */
.cta-band{background:var(--primary-deep);color:var(--light-text);padding:96px 0;}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;}
.cta-band h2{font-size:34px;margin-bottom:16px;color:var(--light-text);}
.cta-band p{font-size:16px;color:var(--light-muted);max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.cta-side{display:flex;flex-direction:column;gap:14px;border-left:1px solid rgba(243,241,234,.22);padding-left:32px;}
.cta-side div{font-size:14px;color:var(--light-muted);display:flex;gap:10px;align-items:flex-start;}
.cta-side i{color:var(--accent);margin-top:5px;font-size:13px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--light-muted);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand .brand-line1{color:var(--light-text);font-size:17px;font-weight:700;}
.footer-brand .brand-line2{color:rgba(243,241,234,.6);font-size:13px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--light-muted);max-width:340px;}
.footer-domain{font-size:12.5px;color:rgba(243,241,234,.5);margin:0;}
.footer-col h4{font-size:14px;color:var(--light-text);font-weight:600;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--light-muted);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(243,241,234,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(243,241,234,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:40px;}
  .faq-layout{grid-template-columns:210px 1fr;gap:36px;}
  .cta-band h2{font-size:30px;}
}
@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .header-actions{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:var(--surface);flex-direction:column;align-items:stretch;
    gap:0;margin:0;padding:96px 24px 140px;
    transform:translateX(100%);transition:transform .3s var(--ease);
    z-index:75;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{font-size:17px;padding:18px 4px;border-bottom:1px solid var(--line);width:100%;}
  .main-nav .nav-link::after{display:none;}
  .nav-cta-mobile{display:flex;margin-top:28px;width:100%;min-height:48px;}
  .brand{order:1;}
  .nav-toggle{order:2;margin-left:auto;}
  .faq-layout{grid-template-columns:1fr;gap:0;}
  .faq-toc{position:static;display:none;}
  .check-grid{grid-template-columns:1fr;gap:16px;}
  .contact-card{grid-template-columns:1fr;}
  .contact-figure{min-height:200px;order:-1;}
  .contact-body{padding:36px 28px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-side{border-left:0;border-top:1px solid rgba(243,241,234,.22);padding-left:0;padding-top:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .topbar .topbar-left span.topbar-hint{display:none;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .page-hero{padding:40px 0 40px;}
  .page-hero h1{font-size:31px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .hero-meta{gap:18px;}
  .hero-meta strong{font-size:20px;}
  .faq-section{padding:56px 0;}
  .selfcheck{padding:56px 0;}
  .contact-section{padding:56px 0;}
  .cta-band{padding:56px 0;}
  .group-head h2{font-size:24px;}
  .sec-head h2{font-size:26px;}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 16px;}
  .faq-answer{padding:0 18px 18px 16px;font-size:14.5px;}
  .contact-body h2{font-size:25px;}
  .cta-band h2{font-size:26px;}
  .btn{min-height:48px;}
  .cta-actions .btn,.contact-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .page-hero h1{font-size:27px;}
  .brand-line1{font-size:15.5px;}
  .brand-line2{font-size:12px;}
  .brand-mark{width:34px;height:34px;font-size:15px;}
  .check-num{font-size:36px;}
  .hero-chips .chip{font-size:13px;padding:8px 13px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}