/* roulang page: index */
:root{
  --ink:#0F2E2C;
  --ink-2:#17423E;
  --ink-3:#1F5A53;
  --copper:#C97B25;
  --copper-light:#EBA85A;
  --quartz:#4FA89A;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --text:#17201E;
  --text-2:#5A6663;
  --text-3:#8B9591;
  --line:#E4DED2;
  --line-2:#D6CFC0;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(15,46,44,.06);
  --shadow-2:0 12px 32px -12px rgba(15,46,44,.18);
  --container:1200px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.32;letter-spacing:.01em;color:var(--ink);margin:0}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
time, .num{font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 48px}
.section{padding:104px 0}
.section-alt{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head h2{font-size:30px;position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--copper)}
.section-head .head-note{font-size:14.5px;color:var(--text-2);max-width:520px;line-height:1.85}
.section-head .head-link{font-size:14.5px;color:var(--copper);font-weight:600;white-space:nowrap;border-bottom:1px solid rgba(201,123,37,.35);padding-bottom:2px}
.section-head .head-link:hover{color:#a9631b;border-color:#a9631b}
.lead{font-size:17px;color:var(--text-2);max-width:760px}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;display:flex;flex-direction:column;align-items:center;padding:0 24px;pointer-events:none}
.dock{
  pointer-events:auto;width:100%;max-width:1160px;display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 20px;border-radius:999px;
  background:rgba(247,244,238,.9);
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-1);
  transition:box-shadow .28s ease,background-color .28s ease,padding .28s ease;
}
.site-header.is-scrolled .dock{background:rgba(247,244,238,.98);box-shadow:var(--shadow-2);padding-top:7px;padding-bottom:7px}
.brand{display:flex;flex-direction:column;line-height:1.15;padding-right:16px;border-right:1px solid var(--line)}
.brand-mark{font-family:var(--font-serif);font-weight:700;font-size:18px;color:var(--ink);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.12em}
.dock-nav{flex:1;display:flex;align-items:center;justify-content:center;gap:2px}
.nav-link{padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--text-2);position:relative;white-space:nowrap}
.nav-link:hover{background:rgba(201,123,37,.08);color:var(--ink)}
.nav-link.is-active{color:var(--copper);font-weight:600;background:rgba(201,123,37,.1)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--copper)}
.dock-actions{display:flex;align-items:center;gap:10px}
.dock-toggle{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line-2);align-items:center;justify-content:center;background:#fff}
.dock-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink)}
.dock-toggle span::before{top:-5px}
.dock-toggle span::after{top:5px}
.dock-drawer{display:none;pointer-events:auto;width:100%;max-width:1160px;margin-top:10px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);padding:16px}
.dock-drawer.is-open{display:block}
.dock-drawer a{display:block;padding:14px 16px;border-radius:12px;font-size:15.5px;color:var(--text-2);border-bottom:1px solid var(--line)}
.dock-drawer a:last-child{border-bottom:0}
.dock-drawer a.is-active{color:var(--copper);font-weight:600;background:rgba(201,123,37,.08)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 20px -10px rgba(201,123,37,.7)}
.btn-primary:hover{background:#b86c1c;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(201,123,37,.75)}
.btn-outline{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--copper);background:rgba(201,123,37,.08);color:#a9631b}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{border-color:var(--copper-light);background:rgba(235,168,90,.14)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-text{color:var(--copper);font-weight:600;padding:0;height:auto;border:0}
.btn-text:hover{color:#a9631b}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);font-size:12.5px;font-weight:600;letter-spacing:.02em}
.badge-tag{background:rgba(79,168,154,.14);color:#1c6a5f}
.badge-level{background:rgba(15,46,44,.08);color:var(--ink-2)}
.badge-recommend{background:var(--copper);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;padding:160px 0 96px;background:var(--ink);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(105deg,rgba(15,46,44,.97) 0%,rgba(15,46,44,.9) 46%,rgba(15,46,44,.62) 100%),url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(235,168,90,.35)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--copper-light);margin-bottom:20px}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--copper-light)}
.hero h1{color:#fff;font-size:42px;line-height:1.28;margin-bottom:22px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.8);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.18)}
.hero-stat{padding:20px 22px 0 0}
.hero-stat + .hero-stat{padding-left:22px;border-left:1px solid rgba(255,255,255,.18)}
.hero-stat dt{font-size:12.5px;color:rgba(255,255,255,.58);letter-spacing:.08em;margin-bottom:6px}
.hero-stat dd{margin:0;font-size:19px;font-family:var(--font-serif);color:#fff}
.hero-visual{position:relative}
.hero-visual img{border-radius:16px;box-shadow:0 30px 60px -30px rgba(0,0,0,.7);object-fit:cover;aspect-ratio:4/3}
.hero-visual .hero-chip{position:absolute;left:-18px;bottom:28px;background:var(--surface);color:var(--ink);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-2);font-size:13.5px;line-height:1.6}
.hero-visual .hero-chip strong{display:block;font-family:var(--font-serif);font-size:16px;margin-bottom:2px}

/* ---------- 下载入口条 ---------- */
.download-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.download-row{display:flex;align-items:center;gap:20px;padding:22px 26px;border-top:1px solid var(--line);transition:background-color .22s ease}
.download-row:first-child{border-top:0}
.download-row:hover{background:rgba(201,123,37,.045)}
.dl-icon{flex:none;width:46px;height:46px;border-radius:12px;background:rgba(79,168,154,.14);color:#1c6a5f;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;font-size:15px}
.dl-body{flex:1;min-width:0}
.dl-body h3{font-size:17px;margin-bottom:4px}
.dl-body p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.75}
.dl-arrow{flex:none;width:38px;height:38px;border-radius:999px;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;color:var(--ink-2);transition:.22s}
.download-row:hover .dl-arrow{background:var(--copper);border-color:var(--copper);color:#fff}

/* ---------- 权益对比表 ---------- */
.table-wrap{position:relative;overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1)}
.table-wrap::after{content:"";position:sticky;right:0;top:0;float:right;width:36px;height:100%;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95));pointer-events:none}
.table-tiers{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.table-tiers th,.table-tiers td{padding:17px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.table-tiers thead th{font-family:var(--font-serif);font-size:16px;background:var(--surface);white-space:nowrap}
.table-tiers tbody tr:last-child td{border-bottom:0}
.table-tiers tbody tr:hover td{background:rgba(247,244,238,.7)}
.table-tiers th:first-child,.table-tiers td:first-child{position:sticky;left:0;background:var(--surface);border-right:1px solid var(--line);z-index:2;font-weight:600;color:var(--ink)}
.table-tiers tbody tr:hover td:first-child{background:#fff}
.table-tiers .is-featured{background:rgba(201,123,37,.07)}
.table-tiers thead .is-featured{border-top:3px solid var(--copper);color:var(--copper)}
.table-tiers tbody tr:hover td.is-featured{background:rgba(201,123,37,.11)}
.tier-mark{font-weight:600;color:var(--ink-2)}
.tier-mark.muted{color:var(--text-3);font-weight:400}
.tier-mark.num{font-variant-numeric:tabular-nums}

/* ---------- 等级阶梯 ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 28px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.tier:nth-child(2){margin-top:26px}
.tier:nth-child(3){margin-top:52px;border-color:rgba(201,123,37,.45)}
.tier-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.tier h3{font-size:21px}
.tier .tier-desc{font-size:14.5px;color:var(--text-2);margin-bottom:20px}
.tier ul{display:grid;gap:12px;margin-bottom:24px}
.tier li{position:relative;padding-left:22px;font-size:15px;color:var(--text-2)}
.tier li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;background:var(--copper)}
.tier .tier-cond{font-size:13.5px;color:var(--text-3);border-top:1px dashed var(--line-2);padding-top:16px;margin-bottom:20px}

/* ---------- 专属内容横滚 ---------- */
.rail{display:flex;gap:24px;overflow-x:auto;padding:4px 4px 26px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-track{background:var(--line);border-radius:99px}
.rail::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px}
.rail-card{flex:0 0 306px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rail-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg)}
.rail-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.rail-card:hover .rail-cover img{transform:scale(1.02)}
.rail-lock{position:absolute;top:12px;left:12px;background:rgba(15,46,44,.86);color:#fff;font-size:12px;padding:4px 10px;border-radius:var(--radius-badge)}
.rail-body{padding:20px 20px 22px}
.rail-body h3{font-size:17px;margin-bottom:8px}
.rail-body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:28px;align-items:start}
.news-feature{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.news-feature-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.news-feature-cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-feature-body{padding:26px 26px 28px}
.news-feature-body h3{font-size:21px;margin-bottom:12px}
.news-feature-body p{font-size:15px;color:var(--text-2);margin-bottom:16px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;font-size:13px;color:var(--text-3)}
.news-list{display:grid;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.news-item{display:block;padding:20px 22px;border-top:1px solid var(--line);transition:background-color .2s ease}
.news-item:first-child{border-top:0}
.news-item:hover{background:rgba(201,123,37,.05)}
.news-item h3{font-size:16.5px;margin-bottom:8px;line-height:1.55}
.news-item .news-meta{margin-bottom:0}
.empty-state{border:1px dashed var(--line-2);border-radius:var(--radius-card);padding:48px 24px;text-align:center;color:var(--text-3);background:var(--surface)}
.empty-state strong{display:block;font-family:var(--font-serif);font-size:17px;color:var(--ink-2);margin-bottom:8px}
.empty-lines{display:grid;gap:10px;max-width:360px;margin:22px auto 0}
.empty-lines i{display:block;height:8px;border-radius:99px;background:var(--line)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:14px;box-shadow:var(--shadow-1);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-weight:600;font-size:16.5px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";flex:none;width:9px;height:9px;border-right:2px solid var(--copper);border-bottom:2px solid var(--copper);transform:rotate(45deg);transition:transform .25s ease;margin-top:-5px}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item[open] summary{color:var(--copper)}
.faq-body{padding:0 24px 22px;font-size:15.5px;color:var(--text-2);line-height:1.85}
.faq-body p:last-child{margin-bottom:0}

/* ---------- 深色 CTA ---------- */
.cta-block{position:relative;background:var(--ink);border-radius:20px;overflow:hidden;padding:56px 56px;color:#fff;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.cta-block::before{content:"";position:absolute;inset:0;background-image:linear-gradient(100deg,rgba(15,46,44,.96),rgba(23,66,62,.86)),url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center}
.cta-block::after{content:"";position:absolute;inset:12px;border:1px solid rgba(235,168,90,.16);border-radius:14px;pointer-events:none}
.cta-inner{position:relative;z-index:2}
.cta-block h2{color:#fff;font-size:29px;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.78);margin:0;font-size:15.5px}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;align-items:stretch}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);text-align:center;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-mark{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand p{margin:18px 0 0;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-family:var(--font-sans);font-weight:600}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--copper-light)}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.68);margin-bottom:11px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .hero h1{font-size:38px}
}
@media (max-width:1023px){
  .section{padding:76px 0}
  .dock-nav{display:none}
  .dock-toggle{display:flex}
  .brand{padding-right:12px}
  .hero{padding:140px 0 76px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1}
  .hero-visual .hero-chip{left:16px;bottom:16px}
  .tiers{grid-template-columns:1fr 1fr}
  .tier:nth-child(3){margin-top:0;grid-column:1 / -1}
  .news-grid{grid-template-columns:1fr}
  .cta-block{grid-template-columns:1fr;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head h2{font-size:23px}
  .hero{padding:126px 0 60px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:1fr;border-top:0}
  .hero-stat{padding:16px 0;border-top:1px solid rgba(255,255,255,.18)}
  .hero-stat + .hero-stat{padding-left:0;border-left:0}
  .tiers{grid-template-columns:1fr}
  .tier,.tier:nth-child(2),.tier:nth-child(3){margin-top:0}
  .rail-card{flex:0 0 84%}
  .cta-block{padding:36px 22px}
  .cta-block h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .download-row{padding:18px 18px;gap:14px}
  .dl-body h3{font-size:16px}
  .table-tiers th,.table-tiers td{padding:14px 16px}
}
@media (max-width:479px){
  .site-header{padding:0 12px;top:10px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .brand-sub{display:none}
  .btn-sm{height:36px;padding:0 14px;font-size:13.5px}
  .hero h1{font-size:26px}
  .rail-card{flex:0 0 88%}
}

/* roulang page: article */
:root{
  --ink:#0F2E2C;
  --ink-2:#17423E;
  --ink-3:#1F5A53;
  --copper:#C97B25;
  --copper-2:#EBA85A;
  --copper-deep:#B36C1C;
  --quartz:#4FA89A;
  --bg:#F7F4EE;
  --white:#FFFFFF;
  --text:#17201E;
  --text-2:#5A6663;
  --text-3:#8B9591;
  --line:#E4DED2;
  --line-2:#D6CFC0;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,44,.06);
  --sh-2:0 12px 32px -12px rgba(15,46,44,.18);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  padding-top:96px;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--copper)}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.3;letter-spacing:.015em;margin:0}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 48px;width:100%}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:32px}
.section-head h2{font-size:29px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--copper)}
.section-head p{margin:14px 0 0;color:var(--text-2);font-size:16px;max-width:760px}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;padding:18px 24px 0;transition:padding .28s ease}
.dock{
  max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 22px;border-radius:var(--r-pill);
  background:rgba(247,244,238,.88);border:1px solid var(--line);box-shadow:var(--sh-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:background-color .28s ease,box-shadow .28s ease,padding .28s ease;
}
.site-header.is-scrolled{padding-top:10px}
.site-header.is-scrolled .dock{background:rgba(247,244,238,.97);box-shadow:var(--sh-2);padding:7px 10px 7px 20px}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.brand-mark{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink)}
.brand-sub{font-size:11px;letter-spacing:.16em;color:var(--copper);font-weight:600;margin-top:2px}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:8px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);white-space:nowrap;transition:color .2s ease,background-color .2s ease}
.nav-link:hover{color:var(--ink);background:rgba(201,123,37,.08)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--copper)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease}
.icon-btn:hover{border-color:var(--copper);color:var(--copper);background:rgba(201,123,37,.08)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);background:transparent;color:var(--ink);align-items:center;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.02em;transition:all .2s ease}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 18px -10px rgba(201,123,37,.85)}
.btn-primary:hover{background:var(--copper-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(201,123,37,.9)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 12px -8px rgba(201,123,37,.8)}
.btn-ghost{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper);background:rgba(201,123,37,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-text{padding:0;height:auto;color:var(--copper);border:none;background:none;font-weight:600}
.btn-text:hover{color:var(--copper-deep)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-badge);font-size:13px;font-weight:600;line-height:1.7}
.badge-cat{background:rgba(201,123,37,.12);color:var(--copper-deep)}
.badge-seal{background:var(--ink);color:#fff;letter-spacing:.14em;font-size:12px;border-radius:4px;padding:4px 9px}
.badge-state{background:rgba(79,168,154,.14);color:#2F7A6E;border:1px solid rgba(79,168,154,.35)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);padding:26px 0 0}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--copper)}
.breadcrumb .sep{color:var(--line-2)}
.breadcrumb .current{color:var(--text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{padding:8px 0 40px;border-bottom:1px solid var(--line)}
.article-title{font-size:42px;margin:22px 0 20px;color:var(--ink);max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.meta-chip{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--text-2);padding:4px 12px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--white)}
.meta-chip i{color:var(--copper);font-size:13px}
.article-cover{margin-top:32px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.article-cover figcaption{font-size:13px;color:var(--text-3);padding:12px 16px;background:var(--white);border-top:1px solid var(--line)}

/* ---------- 阅读布局 ---------- */
.article-body{padding:56px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start}
.prose-wrap{max-width:820px;width:100%;margin:0 auto}
.prose-cn{font-size:17px;color:var(--text)}
.prose-cn h2{font-size:26px;margin:44px 0 18px;position:relative;padding-left:16px;color:var(--ink)}
.prose-cn h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--copper)}
.prose-cn h3{font-size:19px;margin:32px 0 14px;color:var(--ink-2)}
.prose-cn p{margin:0 0 1.3em;line-height:1.95}
.prose-cn a{color:var(--copper);border-bottom:1px solid rgba(201,123,37,.45)}
.prose-cn a:hover{color:var(--copper-deep);border-bottom-color:var(--copper-deep)}
.prose-cn ul,.prose-cn ol{padding-left:1.4em;margin:0 0 1.4em}
.prose-cn li{margin-bottom:.6em;line-height:1.85}
.prose-cn blockquote{margin:28px 0;padding:18px 22px;background:#FBF8F2;border-left:3px solid var(--copper);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2)}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn img{margin:26px auto;border-radius:var(--r-img)}
.prose-cn figure{margin:26px 0}
.prose-cn figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.prose-cn table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.prose-cn th{background:#F2EDE3;color:var(--ink);font-weight:600;text-align:left}
.prose-cn th,.prose-cn td{padding:12px 16px;border-bottom:1px solid var(--line)}
.prose-cn tr:last-child td{border-bottom:none}
.prose-cn code{background:#F2EDE3;padding:2px 6px;border-radius:4px;font-family:var(--font-num);font-size:14px}
.prose-cn hr{border:none;border-top:1px solid var(--line);margin:36px 0}

/* ---------- 侧栏 ---------- */
.article-aside{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;margin:0 0 14px;padding-left:12px;position:relative;color:var(--ink)}
.side-card h3::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--copper)}
.toc-list{list-style:none;padding:0;margin:0;border-left:1px solid var(--line)}
.toc-list li{margin:0}
.toc-list a{display:block;padding:7px 0 7px 14px;font-size:14px;color:var(--text-2);border-left:2px solid transparent;margin-left:-1px}
.toc-list a:hover{color:var(--copper);border-left-color:var(--copper-2)}
.toc-list a.is-current{color:var(--copper-deep);border-left-color:var(--copper);font-weight:600}
.side-links{list-style:none;padding:0;margin:0}
.side-links li{border-bottom:1px dashed var(--line);padding:10px 0}
.side-links li:last-child{border-bottom:none;padding-bottom:0}
.side-links a{font-size:14.5px;color:var(--text-2);display:flex;gap:8px;align-items:baseline}
.side-links a:hover{color:var(--copper)}
.side-links a i{color:var(--copper-2);font-size:12px}

/* ---------- 标签与操作 ---------- */
.article-foot{margin:48px 0 0;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px}
.tag-row .label{font-size:13.5px;color:var(--text-3)}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border:1px solid var(--line-2);border-radius:var(--r-badge);font-size:13.5px;color:var(--text-2);background:var(--white);transition:all .2s ease}
.tag:hover{border-color:var(--copper);color:var(--copper);background:rgba(201,123,37,.08)}
.action-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 空态 ---------- */
.empty-state{border:1px dashed var(--line-2);background:#FBF8F2;border-radius:var(--r-card);padding:56px 32px;text-align:center}
.empty-state .empty-icon{width:56px;height:56px;border-radius:50%;background:rgba(201,123,37,.12);color:var(--copper);display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--text-2);max-width:520px;margin:0 auto 24px}

/* ---------- 相关推荐 ---------- */
.related{padding:80px 0;background:var(--white);border-top:1px solid var(--line)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.card-media{overflow:hidden;background:#EFEAE0}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;color:var(--ink)}
.card-body p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.8}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;padding-top:6px}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-2)}

/* ---------- 返回条 ---------- */
.back-bar{padding:48px 0 0}
.back-bar .inner{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 24px;box-shadow:var(--sh-1)}
.back-bar .inner p{margin:0;font-size:14.5px;color:var(--text-2)}

/* ---------- 深色 CTA ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.22}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,46,44,.94),rgba(15,46,44,.72))}
.cta-band .container{position:relative;z-index:2;padding-top:76px;padding-bottom:76px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);margin:0;max-width:620px;font-size:15.5px}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.42);color:#fff}
.cta-band .btn-ghost:hover{border-color:var(--copper-2);color:var(--copper-2);background:rgba(235,168,90,.12)}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-mark{color:#fff;font-size:20px;display:block}
.footer-brand .brand-sub{color:var(--copper-2);display:block;margin:6px 0 14px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-family:var(--font-sans);font-weight:600}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--copper-2)}
.footer-contact li{color:rgba(255,255,255,.62);font-size:13.5px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{flex-direction:row;flex-wrap:wrap}
  .article-aside .side-card{flex:1 1 300px}
  .prose-wrap{margin:0}
}
@media (max-width:1023px){
  body{padding-top:84px}
  .container{padding:0 32px}
  .section{padding:72px 0}
  .article-title{font-size:34px}
  .dock{padding:9px 10px 9px 18px}
  .nav-toggle{display:inline-flex}
  .dock-nav{
    position:fixed;left:16px;right:16px;top:80px;flex-direction:column;align-items:stretch;gap:4px;
    background:var(--white);border:1px solid var(--line);border-radius:18px;padding:12px;
    box-shadow:var(--sh-2);display:none;
  }
  .dock-nav.is-open{display:flex}
  .dock-nav .nav-link{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .dock-nav .nav-link.is-active::after{display:none}
  .dock-nav .nav-link.is-active{background:rgba(201,123,37,.12)}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band .container{padding-top:60px;padding-bottom:60px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-head h2{font-size:23px}
  .article-title{font-size:30px;margin:18px 0 16px}
  .prose-cn{font-size:16px}
  .prose-cn h2{font-size:22px}
  .prose-cn h3{font-size:18px}
  .prose-cn table{display:block;overflow-x:auto;white-space:nowrap}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .article-aside{flex-direction:column}
  .cta-band h2{font-size:23px}
  .back-bar .inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .container{padding:0 20px}
  .brand-mark{font-size:17px}
  .brand-sub{letter-spacing:.1em}
  .btn{width:100%}
  .btn-sm{width:auto}
  .dock-actions .btn{width:auto}
  .article-title{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
  .meta-chip{font-size:12.5px;padding:3px 10px}
  .dock{padding:8px 8px 8px 14px}
}

/* roulang page: category1 */
:root{
  --ink:#0F2E2C;
  --ink-2:#17423E;
  --ink-3:#1F5A53;
  --copper:#C97B25;
  --copper-l:#EBA85A;
  --quartz:#4FA89A;
  --bg:#F7F4EE;
  --white:#FFFFFF;
  --text:#17201E;
  --muted:#5A6663;
  --faint:#8B9591;
  --line:#E4DED2;
  --line-2:#D6CFC0;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(15,46,44,.06);
  --sh-2:0 12px 32px -12px rgba(15,46,44,.18);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Songti SC",serif;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--ink)}
p{margin:0}
p+p{margin-top:1.2em}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 48px}

/* ============ Dock 导航 ============ */
.site-header{
  position:fixed;top:14px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;padding:0 20px;
}
.dock-shell{
  width:100%;max-width:1100px;
  display:flex;align-items:center;gap:18px;
  padding:9px 12px 9px 20px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 2px 10px rgba(15,46,44,.07);
  transition:padding .25s ease,box-shadow .25s ease,max-width .25s ease;
}
.site-header.is-scrolled .dock-shell{
  padding:6px 10px 6px 18px;
  max-width:1020px;
  box-shadow:0 12px 30px -16px rgba(15,46,44,.42);
}
.dock-logo{display:flex;flex-direction:column;flex-shrink:0}
.dock-logo .brand-mark{
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;
  color:var(--ink);line-height:1.15;letter-spacing:.02em;
}
.dock-logo .brand-sub{
  font-size:10.5px;color:var(--copper);letter-spacing:.18em;line-height:1.4;
}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  font-size:14.5px;color:var(--muted);padding:8px 15px;border-radius:999px;
  transition:color .18s ease,background .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(201,123,37,.09)}
.nav-link.is-active{
  color:#9A5C13;background:#fff;border:1px solid rgba(201,123,37,.35);
  font-weight:600;box-shadow:inset 0 -2px 0 var(--copper);
}
.dock-menu-btn{
  display:none;width:42px;height:42px;border-radius:999px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-2);background:#fff;color:var(--ink);
  margin-left:auto;transition:border-color .18s ease,background .18s ease;
}
.dock-menu-btn:hover{border-color:var(--copper);background:rgba(201,123,37,.08)}
.dock-drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:none;flex-direction:column;padding:26px 24px 40px;
}
.dock-drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line-2);
  background:#fff;display:flex;align-items:center;justify-content:center;color:var(--ink);
}
.drawer-links a{
  display:block;padding:17px 4px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:600;color:var(--ink);
}
.drawer-links a.is-active{color:#9A5C13;box-shadow:inset 3px 0 0 var(--copper);padding-left:14px}
.drawer-cta{margin-top:auto;padding-top:28px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  cursor:pointer;
}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:#B46C1C;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(201,123,37,.8)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--copper-l);background:rgba(235,168,90,.14);transform:translateY(-1px)}
.btn-outline{border-color:var(--line-2);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--copper);background:rgba(201,123,37,.08);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.7;
}
.badge-tag{background:rgba(79,168,154,.14);color:#2F7C70;border:1px solid rgba(79,168,154,.3)}
.badge-seal{background:var(--ink);color:#fff;font-family:"Noto Serif SC",serif}
.badge-state{background:rgba(201,123,37,.12);color:#9A5C13;border:1px solid rgba(201,123,37,.3)}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:158px 0 76px;background:var(--ink);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(15,46,44,.95) 0%,rgba(23,66,62,.86) 55%,rgba(15,46,44,.96) 100%);
}
.hero-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .18s ease}
.breadcrumb a:hover{color:var(--copper-l)}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.breadcrumb .current{color:#fff}
.page-hero h1{
  color:#fff;font-size:42px;line-height:1.28;max-width:900px;
  letter-spacing:.01em;
}
.hero-lead{
  margin-top:20px;max-width:640px;font-size:17px;
  color:rgba(255,255,255,.82);line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:56px;border-top:1px solid rgba(255,255,255,.18);padding-top:26px;
}
.hero-stat{padding-right:26px;border-right:1px solid rgba(255,255,255,.16)}
.hero-stat:last-child{border-right:0}
.hero-stat .num{
  font-family:Inter,"Noto Sans SC",sans-serif;font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--copper-l);line-height:1.3;
}
.hero-stat .lbl{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:4px}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section--white{background:var(--white)}
.section--dark{background:var(--ink);color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:29px;padding-left:16px;position:relative;line-height:1.35;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;
  background:var(--copper);border-radius:2px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.75)}

/* ============ 准备清单行 ============ */
.prep-list{border-top:1px solid var(--line-2)}
.prep-row{
  display:grid;grid-template-columns:56px 220px 1fr;gap:24px;align-items:baseline;
  padding:24px 4px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.prep-row:hover{background:rgba(201,123,37,.05)}
.prep-index{
  font-family:Inter,sans-serif;font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:600;color:var(--copper);letter-spacing:.08em;
}
.prep-row h3{font-size:18px}
.prep-row p{color:var(--muted);font-size:15.5px;line-height:1.85}

/* ============ 下载入口条 ============ */
.platform-list{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;overflow:hidden;box-shadow:var(--sh-1);
}
.platform-row{
  display:grid;grid-template-columns:52px 190px 1fr auto;
  gap:20px;align-items:center;padding:20px 26px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.platform-row:last-child{border-bottom:0}
.platform-row:hover{background:rgba(201,123,37,.05)}
.p-icon{
  width:44px;height:44px;border-radius:10px;background:rgba(15,46,44,.06);
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);
}
.platform-row h3{font-size:17px}
.platform-row p{font-size:14.5px;color:var(--muted);line-height:1.75}
.row-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--copper);transition:transform .18s ease;
}
.platform-row:hover .row-arrow{transform:translateX(3px)}

/* ============ 步骤流 ============ */
.steps{display:flex;flex-direction:column;gap:34px;position:relative}
.step{display:grid;grid-template-columns:86px 1fr;gap:26px;position:relative}
.step:not(:last-child)::after{
  content:"";position:absolute;left:34px;top:76px;bottom:-34px;width:1px;
  background:linear-gradient(180deg,var(--line-2),rgba(214,207,192,.25));
}
.step-num{
  font-family:"Noto Serif SC",serif;font-size:36px;font-weight:700;
  color:var(--copper);line-height:1;padding-top:6px;
  font-variant-numeric:tabular-nums;
}
.step-num small{display:block;font-family:Inter,sans-serif;font-size:11px;letter-spacing:.16em;color:var(--faint);margin-top:8px;font-weight:500}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.25fr 1fr;gap:28px;align-items:center;
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-card h3{font-size:20px;margin-bottom:12px}
.step-card p{color:var(--muted);font-size:15.5px;line-height:1.85}
.step-tips{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.step-tips li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);line-height:1.8;
}
.step-tips li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  background:var(--copper);border-radius:2px;
}
.step-figure{margin:0}
.step-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  background:var(--bg);
}
.step-figure figcaption{
  font-size:12.5px;color:var(--faint);margin-top:10px;line-height:1.7;
}

/* ============ 注意事项 ============ */
.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 22px}
.notice{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);transition:border-color .18s ease,box-shadow .18s ease;
}
.notice:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.notice-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:7px;
  background:rgba(79,168,154,.16);color:#2F7C70;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.notice p{font-size:15px;color:var(--muted);line-height:1.8}
.notice strong{color:var(--ink);font-weight:600;display:block;margin-bottom:2px;font-size:15.5px}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:rgba(201,123,37,.45);box-shadow:0 10px 28px -18px rgba(15,46,44,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q .arrow{
  flex-shrink:0;width:22px;height:22px;color:var(--copper);
  transition:transform .28s ease;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--ink);color:#fff;padding:54px 56px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,46,44,.94),rgba(23,66,62,.86));
}
.cta-content,.cta-actions{position:relative;z-index:2}
.cta-content h2{color:#fff;font-size:28px;line-height:1.4}
.cta-content p{margin-top:14px;color:rgba(255,255,255,.8);font-size:15.5px;line-height:1.85}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-note{
  margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);
  position:relative;z-index:2;grid-column:1/-1;
}

/* ============ 继续了解 ============ */
.next-list{border-top:1px solid var(--line-2);margin-top:8px}
.next-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 6px;border-bottom:1px solid var(--line);
  transition:background .18s ease,padding-left .18s ease;
}
.next-item:hover{background:rgba(201,123,37,.06);padding-left:14px}
.next-num{
  font-family:Inter,sans-serif;font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:600;color:var(--copper);width:34px;letter-spacing:.06em;
}
.next-title{flex:1;font-size:17px;font-weight:600;color:var(--ink)}
.next-desc{font-size:14px;color:var(--muted);flex:0 0 auto;max-width:320px;text-align:right}
.next-arrow{color:var(--copper);flex-shrink:0;display:flex}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;
  padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-mark{
  display:block;font-family:"Noto Serif SC",serif;font-size:19px;
  font-weight:700;color:#fff;letter-spacing:.02em;line-height:1.3;
}
.footer-brand .brand-sub{
  display:block;font-size:11px;color:var(--copper-l);
  letter-spacing:.18em;margin-top:4px;
}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:330px}
.footer-col h4{
  color:#fff;font-size:15px;font-family:"Noto Sans SC",sans-serif;
  font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{
  font-size:14px;color:rgba(255,255,255,.68);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col ul li a:hover{color:var(--copper-l);padding-left:4px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;margin-bottom:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:24px 0 30px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 40px}
}
@media (max-width:1023px){
  .container{padding:0 32px}
  .dock-nav{display:none}
  .dock-menu-btn{display:flex}
  .site-header{padding:0 16px}
  .section{padding:72px 0}
  .page-hero{padding:140px 0 64px}
  .page-hero h1{font-size:34px}
  .step-card{grid-template-columns:1fr;gap:22px}
  .prep-row{grid-template-columns:44px 1fr;gap:10px 18px}
  .prep-row p{grid-column:2}
  .platform-row{grid-template-columns:46px 1fr auto;gap:14px}
  .platform-row p{grid-column:2/4}
  .platform-row p{grid-column:2/-1}
  .cta-panel{grid-template-columns:1fr;padding:44px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .next-desc{display:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:126px 0 56px}
  .page-hero h1{font-size:28px;line-height:1.35}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:0;padding-top:20px;margin-top:40px}
  .hero-stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:14px 0}
  .hero-stat:last-child{border-bottom:0}
  .section-head h2{font-size:22px}
  .section-head{margin-bottom:32px}
  .notice-grid{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:14px}
  .step:not(:last-child)::after{display:none}
  .step-num{font-size:28px;padding-top:0;display:flex;align-items:baseline;gap:10px}
  .step-num small{margin-top:0}
  .step-card{padding:22px 20px}
  .platform-row{grid-template-columns:42px 1fr;padding:18px 20px}
  .platform-row p{grid-column:2;margin-top:6px}
  .row-arrow{grid-column:2;margin-top:8px}
  .cta-panel{padding:34px 24px;border-radius:16px}
  .cta-content h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .next-item{gap:12px;padding:18px 2px}
  .next-title{font-size:16px}
}
@media (max-width:479px){
  .dock-shell{padding:8px 8px 8px 16px}
  .dock-logo .brand-mark{font-size:15.5px}
  .page-hero h1{font-size:26px}
}

/* roulang page: category2 */
:root{
  --ink:#0F2E2C;
  --ink-2:#17423E;
  --ink-3:#1F5A53;
  --copper:#C97B25;
  --copper-2:#EBA85A;
  --copper-soft:rgba(201,123,37,.08);
  --teal:#4FA89A;
  --bg:#F7F4EE;
  --white:#FFFFFF;
  --text:#17201E;
  --text-2:#5A6663;
  --text-3:#8B9591;
  --line:#E4DED2;
  --line-2:#D6CFC0;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-badge:6px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(15,46,44,.06);
  --shadow-2:0 12px 32px -12px rgba(15,46,44,.18);
  --container:1200px;
  --sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);margin:0;letter-spacing:.01em;line-height:1.3;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 48px;
}

/* ---------- 顶部浮动 Dock ---------- */
.site-header{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:80;
  transition:top .25s ease;
}
.site-header.is-scrolled{top:10px;}
.dock{
  max-width:var(--container);
  margin:0 auto;
  padding:0 16px 0 22px;
  height:72px;
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(247,244,238,.88);
  border:1px solid var(--line-2);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:height .25s ease, box-shadow .25s ease, background .25s ease;
  position:relative;
}
.site-header.is-scrolled .dock{
  height:62px;
  box-shadow:var(--shadow-2);
  background:rgba(247,244,238,.96);
}
.brand{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  flex-shrink:0;
}
.brand .brand-mark{
  font-family:var(--serif);
  font-weight:700;
  font-size:19px;
  color:var(--ink);
  letter-spacing:.02em;
}
.brand .brand-sub{
  font-size:11.5px;
  color:var(--text-3);
  letter-spacing:.14em;
  margin-top:2px;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(15,46,44,.05);}
.nav-link.is-active{color:var(--copper);font-weight:600;background:var(--copper-soft);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  background:var(--copper);
  border-radius:2px;
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.dock-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:999px;
  border:1px solid var(--line-2);
  color:var(--ink);
  font-size:15px;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.dock-toggle:hover{border-color:var(--copper);background:var(--copper-soft);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .16s ease,box-shadow .2s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 6px 16px -8px rgba(201,123,37,.7);}
.btn-primary:hover{background:#B66C1C;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(201,123,37,.75);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 8px -6px rgba(201,123,37,.7);}
.btn-ghost{border:1px solid var(--line-2);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--copper);background:var(--copper-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--copper-2);color:var(--ink);transform:translateY(-1px);}
.btn-outline-light{border:1px solid rgba(247,244,238,.5);color:#F7F4EE;}
.btn-outline-light:hover{border-color:var(--copper-2);color:var(--copper-2);background:rgba(235,168,90,.1);}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:132px 0 0;}
.site-header.is-scrolled ~ main .breadcrumb{padding-top:126px;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);}
.crumb-list li{display:flex;align-items:center;gap:10px;}
.crumb-list li + li::before{content:"/";color:var(--line-2);}
.crumb-list a{color:var(--text-2);transition:color .2s ease;}
.crumb-list a:hover{color:var(--copper);}
.crumb-current{color:var(--ink);font-weight:600;}

/* ---------- 分类页 Hero ---------- */
.cat-hero{padding:26px 0 84px;}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.cat-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 12px;
  border-radius:var(--radius-badge);
  background:var(--copper-soft);
  color:var(--copper);
  border:1px solid rgba(201,123,37,.25);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:42px;
  line-height:1.28;
  margin-bottom:20px;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--copper);
  box-shadow:inset 0 -10px 0 rgba(235,168,90,.28);
}
.cat-lead{
  font-size:17px;
  color:var(--text-2);
  max-width:560px;
  line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-figure{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-2);}
.hero-figure img{width:100%;height:340px;object-fit:cover;border-radius:16px;}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,46,44,.30) 0%,rgba(15,46,44,.06) 55%,rgba(15,46,44,.42) 100%);
  border-radius:16px;
}
.hero-figure figcaption{
  position:absolute;
  left:20px;right:20px;bottom:16px;
  z-index:2;
  color:#F7F4EE;
  font-size:13.5px;
  letter-spacing:.02em;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin-top:38px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-stats div{
  padding:18px 20px;
  border-right:1px solid var(--line);
}
.hero-stats div:last-child{border-right:0;}
.hero-stats strong{
  display:block;
  font-family:var(--serif);
  font-size:22px;
  color:var(--ink);
}
.hero-stats span{font-size:13px;color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-white{background:var(--white);}
.section-dark{background:var(--ink);color:rgba(247,244,238,.86);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:30px;
  position:relative;
  padding-left:18px;
  margin-bottom:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:3px;
  background:var(--copper);
  border-radius:2px;
}
.section-head p{color:var(--text-2);font-size:16px;}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:rgba(247,244,238,.72);}

/* ---------- 版本时间轴 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:10px;bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--copper) 0%,rgba(201,123,37,.25) 100%);
  border-radius:2px;
}
.timeline-item{position:relative;margin-bottom:26px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-31px;top:24px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--white);
  border:3px solid var(--copper);
  box-shadow:0 0 0 4px rgba(201,123,37,.12);
}
.version-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.version-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-2);}
.version-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.version-no{
  font-family:var(--serif);
  font-size:21px;
  color:var(--ink);
}
.version-date{font-size:13.5px;color:var(--text-3);}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--radius-badge);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-new{background:var(--copper);color:#fff;}
.badge-platform{background:rgba(79,168,154,.14);color:#2F7A6E;border:1px solid rgba(79,168,154,.3);}
.badge-muted{background:rgba(15,46,44,.06);color:var(--text-2);}
.version-card p{color:var(--text-2);font-size:15.5px;margin-bottom:14px;}
.version-meta{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 适配信息表 ---------- */
.table-wrap{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--white);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:720px;}
thead th{
  text-align:left;
  font-family:var(--sans);
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  letter-spacing:.04em;
  padding:16px 22px;
  background:rgba(15,46,44,.04);
  border-bottom:2px solid var(--ink);
  white-space:nowrap;
}
tbody td{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
  vertical-align:top;
}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover td{background:rgba(247,244,238,.7);}
td.strong-cell{color:var(--ink);font-weight:600;font-family:var(--sans);white-space:nowrap;}
.table-note{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  font-size:13px;
  color:var(--text-3);
  background:rgba(247,244,238,.8);
  border-top:1px solid var(--line);
}
.table-note span{display:inline-block;width:22px;height:2px;background:var(--copper);border-radius:2px;}

/* ---------- 更新策略说明 ---------- */
.strategy-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.strategy-card{
  background:var(--white);
  border:1px solid var(--line);
  border-left:3px solid var(--copper);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.strategy-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.strategy-card h3{font-size:19px;margin-bottom:12px;}
.strategy-card p{color:var(--text-2);font-size:15.5px;}

/* ---------- 更新前准备清单 ---------- */
.prep-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px 28px;
}
.prep-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:18px 20px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.prep-item:hover{border-color:var(--copper);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.prep-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:var(--radius-badge);
  background:var(--copper-soft);
  border:1px solid rgba(201,123,37,.28);
  color:var(--copper);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.prep-item strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:4px;font-family:var(--sans);}
.prep-item p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.8;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink) url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,46,44,.96) 0%,rgba(15,46,44,.88) 46%,rgba(15,46,44,.62) 100%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:48px;
  align-items:center;
  padding:84px 0;
}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:16px;}
.cta-inner p{color:rgba(247,244,238,.78);font-size:16px;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.cta-actions .btn{width:100%;}
.cta-foot{
  position:relative;z-index:2;
  padding:0 0 34px;
  font-size:13px;
  color:rgba(247,244,238,.6);
  border-top:1px solid rgba(247,244,238,.14);
  padding-top:18px;
}

/* ---------- 继续了解 ---------- */
.more-list{border-top:1px solid var(--line);}
.more-row{
  display:flex;
  align-items:center;
  gap:22px;
  padding:24px 6px;
  border-bottom:1px solid var(--line);
  transition:padding .22s ease,background .22s ease;
}
.more-row:hover{background:rgba(255,255,255,.6);padding-left:16px;}
.more-num{
  font-family:var(--serif);
  font-size:15px;
  color:var(--copper);
  width:34px;height:34px;
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,123,37,.35);
  border-radius:var(--radius-badge);
  background:var(--copper-soft);
}
.more-body{flex:1;min-width:0;}
.more-body h3{font-size:18px;margin-bottom:4px;}
.more-body p{font-size:14.5px;color:var(--text-2);margin:0;}
.more-arrow{
  flex-shrink:0;
  color:var(--text-3);
  font-size:18px;
  transition:transform .22s ease,color .22s ease;
}
.more-row:hover .more-arrow{color:var(--copper);transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(247,244,238,.72);
  padding:76px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand-mark{
  display:block;
  font-family:var(--serif);
  font-size:21px;
  color:#fff;
  font-weight:700;
}
.footer-brand .brand-sub{
  display:block;
  font-size:11.5px;
  letter-spacing:.16em;
  color:rgba(247,244,238,.5);
  margin:4px 0 16px;
}
.footer-brand p{color:rgba(247,244,238,.66);font-size:14px;line-height:1.85;max-width:340px;}
.footer-col h4{
  font-family:var(--sans);
  font-size:14px;
  color:#fff;
  letter-spacing:.08em;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{color:rgba(247,244,238,.72);transition:color .2s ease;}
.footer-col a:hover{color:var(--copper-2);}
.footer-contact li{color:rgba(247,244,238,.66);line-height:1.7;font-size:14px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding:22px 0 28px;
  border-top:1px solid rgba(247,244,238,.14);
  font-size:13px;
  color:rgba(247,244,238,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  .container{padding:0 28px;}
  .dock{padding:0 12px 0 18px;height:66px;}
  .dock-toggle{display:inline-flex;}
  .dock-nav{
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    background:rgba(247,244,238,.98);
    border:1px solid var(--line-2);
    border-radius:20px;
    box-shadow:var(--shadow-2);
    display:none;
  }
  .menu-open .dock-nav{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px;}
  .nav-link.is-active::after{display:none;}
  .cat-hero{padding:20px 0 68px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:34px;}
  .cat-hero h1{font-size:33px;}
  .hero-figure img{height:270px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:26px;}
  .strategy-grid,.prep-list{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:30px;padding:64px 0;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn{width:auto;flex:1 1 200px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .breadcrumb{padding-top:110px;}
  .cat-hero h1{font-size:29px;}
  .cat-lead{font-size:16px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats div{border-right:0;border-bottom:1px solid var(--line);}
  .hero-stats div:last-child{border-bottom:0;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;padding-left:14px;}
  .section-head{margin-bottom:30px;}
  .version-card{padding:20px 18px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:6px;}
  .timeline-item::before{left:-25px;}
  .more-row{gap:14px;padding:20px 2px;}
  .more-body h3{font-size:16.5px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  .dock{height:62px;padding:0 10px 0 14px;}
  .brand .brand-mark{font-size:17px;}
  .dock-actions .btn-primary{display:none;}
  .cat-hero h1{font-size:26px;}
  .hero-figure img{height:200px;}
  .cta-inner h2{font-size:23px;}
  .cta-actions .btn{flex:1 1 100%;}
}

/* 表格移动端折叠为卡片 */
@media (max-width:767px){
  .table-scroll{overflow:visible;}
  table{min-width:0;}
  thead{display:none;}
  tbody tr{
    display:block;
    border-bottom:1px solid var(--line);
    padding:6px 0;
  }
  tbody tr:last-child{border-bottom:0;}
  tbody td{
    display:flex;
    justify-content:space-between;
    gap:18px;
    padding:10px 18px;
    border-bottom:0;
  }
  tbody td::before{
    content:attr(data-label);
    flex-shrink:0;
    color:var(--text-3);
    font-size:13.5px;
  }
  td.strong-cell{white-space:normal;text-align:right;}
}

/* roulang page: category3 */
:root{
  --ink:#0F2E2C;
  --ink-2:#17423E;
  --ink-3:#1F5A53;
  --amber:#C97B25;
  --amber-2:#EBA85A;
  --teal:#4FA89A;
  --bg:#F7F4EE;
  --white:#FFFFFF;
  --text:#17201E;
  --text-2:#5A6663;
  --text-3:#8B9591;
  --line:#E4DED2;
  --line-2:#D6CFC0;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(15,46,44,.06);
  --sh-2:0 12px 32px -12px rgba(15,46,44,.18);
  --sec-y:104px;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:700;
  letter-spacing:.01em;
  margin:0;
  color:var(--ink);
}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 48px;
}
/* ---------- header / dock ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:18px 0 8px;
  transition:padding .25s ease;
}
.dock-wrap{
  display:flex;
  justify-content:center;
  padding:0 24px;
}
.dock{
  display:flex;
  align-items:center;
  gap:28px;
  width:100%;
  max-width:1160px;
  padding:10px 12px 10px 22px;
  background:rgba(247,244,238,.94);
  border:1px solid var(--line-2);
  border-radius:999px;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-solid .dock{
  background:#F7F4EE;
  box-shadow:var(--sh-2);
  border-color:var(--line);
}
.brand{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  flex:0 0 auto;
}
.brand-mark{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  color:var(--ink);
}
.brand-sub{
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--amber);
  text-transform:uppercase;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(201,123,37,.08);}
.nav-link.is-active{
  color:var(--ink);
  font-weight:500;
  background:rgba(201,123,37,.10);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  background:var(--amber);
  border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.menu-btn{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line-2);
  background:transparent;
  border-radius:50%;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease,background .2s ease;
}
.menu-btn:hover{border-color:var(--amber);background:rgba(201,123,37,.08);}
.menu-btn span{
  display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-btn span::before{top:-5px;}
.menu-btn span::after{top:5px;}
.dock-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(15,46,44,.97);
  padding:96px 28px 40px;
  flex-direction:column;
  gap:6px;
}
.dock-drawer.is-open{display:flex;}
.dock-drawer .drawer-close{
  position:absolute;
  top:26px;right:26px;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(247,244,238,.35);
  background:transparent;
  color:#F7F4EE;
  font-size:20px;
  cursor:pointer;
}
.dock-drawer a{
  font-family:var(--font-serif);
  font-size:21px;
  color:#F7F4EE;
  padding:16px 4px;
  border-bottom:1px solid rgba(247,244,238,.14);
}
.dock-drawer a.is-active{color:var(--amber-2);}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:var(--amber);
  color:#FFF8EE;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{background:#B26A1B;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-2);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--amber);background:rgba(201,123,37,.08);}
.btn-on-dark{
  background:var(--amber);
  color:#FFF8EE;
}
.btn-on-dark:hover{background:var(--amber-2);color:var(--ink);transform:translateY(-1px);}
.btn-ghost-dark{
  background:transparent;
  border-color:rgba(247,244,238,.42);
  color:#F7F4EE;
}
.btn-ghost-dark:hover{border-color:var(--amber-2);color:var(--amber-2);background:rgba(235,168,90,.10);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.text-link{
  color:var(--amber);
  border-bottom:1px solid rgba(201,123,37,.35);
  transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-color:var(--amber);}
/* ---------- badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-badge);
  font-size:13px;
  font-weight:500;
  background:rgba(79,168,154,.14);
  color:#2F7267;
}
.badge-amber{background:rgba(201,123,37,.14);color:#9C5A15;}
.badge-plain{background:transparent;border:1px solid var(--line-2);color:var(--text-2);}
.seal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:52px;
  height:30px;
  padding:0 10px;
  border:1px solid var(--amber);
  border-radius:var(--r-badge);
  font-family:var(--font-serif);
  font-size:14px;
  font-weight:700;
  color:var(--amber);
  letter-spacing:.06em;
}
.seal-plain{border-color:var(--line-2);color:var(--text-2);}
/* ---------- breadcrumb ---------- */
.crumb-bar{padding:14px 0 0;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
}
.breadcrumb a{color:var(--text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--amber);}
.breadcrumb .sep{color:var(--line-2);}
.breadcrumb .current{color:var(--ink);}
/* ---------- hero ---------- */
.hero{
  position:relative;
  margin-top:26px;
  padding:74px 0 78px;
  background-color:var(--ink);
  background-image:linear-gradient(105deg,rgba(15,46,44,.95) 0%,rgba(15,46,44,.86) 52%,rgba(15,46,44,.66) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#EFEAE1;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:14px;
  border:1px solid rgba(247,244,238,.10);
  border-radius:18px;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
}
.hero h1{
  color:#FBF8F2;
  font-size:42px;
  line-height:1.3;
  margin-bottom:20px;
}
.hero .hero-lead{
  font-size:17px;
  line-height:1.9;
  color:#CFD8D4;
  max-width:34em;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-figure{position:relative;}
.hero-figure img{
  border-radius:16px;
  border:1px solid rgba(247,244,238,.18);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.55);
}
.hero-figure .fig-tag{
  position:absolute;
  left:18px;bottom:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(15,46,44,.86);
  border:1px solid rgba(235,168,90,.4);
  color:var(--amber-2);
  font-size:13px;
}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(247,244,238,.20);
  padding-top:22px;
  gap:0;
}
.stat-item{
  padding:0 22px;
  border-left:1px solid rgba(247,244,238,.16);
}
.stat-item:first-child{padding-left:0;border-left:none;}
.stat-item .k{
  display:block;
  font-size:13px;
  color:#9FB0AB;
  margin-bottom:6px;
}
.stat-item .v{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:17px;
  color:#F3EEE6;
  font-weight:500;
}
/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--white);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--amber);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{
  font-size:30px;
  line-height:1.34;
  padding-left:16px;
  border-left:3px solid var(--amber);
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:16px;}
.head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.head-row h2{
  font-size:30px;
  line-height:1.34;
  padding-left:16px;
  border-left:3px solid var(--amber);
}
.head-row .more{font-size:14px;color:var(--text-2);white-space:nowrap;transition:color .2s ease;}
.head-row .more:hover{color:var(--amber);}
/* ---------- tier cards ---------- */
.tier-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:start;
}
.tier-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-2);}
.tier-card.is-featured{
  border-color:rgba(201,123,37,.45);
  border-top:3px solid var(--amber);
  background:linear-gradient(180deg,rgba(201,123,37,.05) 0%,rgba(255,255,255,0) 42%),var(--white);
  padding:38px 30px 34px;
}
.tier-card.is-wide{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:minmax(240px,.7fr) 1.3fr;
  gap:36px;
  align-items:start;
  background:var(--ink);
  border-color:var(--ink-3);
  color:#D9E1DE;
}
.tier-card.is-wide h3{color:#FBF8F2;}
.tier-card.is-wide .tier-note{color:#A9B8B4;}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.tier-card h3{font-size:21px;margin-bottom:8px;}
.tier-note{font-size:14px;color:var(--text-2);margin-bottom:20px;}
.tier-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.tier-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
}
.tier-list li::before{
  content:"";
  position:absolute;
  left:2px;top:10px;
  width:11px;height:6px;
  border-left:2px solid var(--amber);
  border-bottom:2px solid var(--amber);
  transform:rotate(-45deg);
}
.tier-card.is-wide .tier-list li{color:#C6D1CD;}
.tier-list li strong{color:var(--text);font-weight:500;}
.tier-card.is-wide .tier-list li strong{color:#FBF8F2;}
.tier-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:20px;
  border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.tier-card.is-wide .tier-foot{border-top-color:rgba(247,244,238,.16);}
.tier-price{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  color:var(--text-2);
}
.tier-card.is-wide .tier-price{color:#A9B8B4;}
/* ---------- safety list ---------- */
.safety-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.safety-item{
  display:flex;
  gap:14px;
  padding:22px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color .2s ease,background .2s ease;
}
.safety-item:hover{border-color:var(--line-2);background:#FBF9F5;}
.safety-icon{
  flex:0 0 34px;
  width:34px;height:34px;
  border-radius:var(--r-badge);
  background:rgba(79,168,154,.14);
  color:#2F7267;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
}
.safety-item h3{font-size:16px;margin-bottom:6px;}
.safety-item p{font-size:14px;line-height:1.75;color:var(--text-2);}
/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-2);}
.faq-item.is-open{border-color:rgba(201,123,37,.45);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
}
.faq-q .arrow{
  flex:0 0 22px;
  width:22px;height:22px;
  position:relative;
  transition:transform .25s ease;
}
.faq-q .arrow::before,.faq-q .arrow::after{
  content:"";
  position:absolute;
  top:10px;
  width:12px;height:2px;
  background:var(--amber);
  border-radius:2px;
}
.faq-q .arrow::before{left:0;transform:rotate(45deg);}
.faq-q .arrow::after{right:0;transform:rotate(-45deg);}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  padding:86px 0;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(15,46,44,.94) 0%,rgba(15,46,44,.84) 58%,rgba(23,66,62,.72) 100%),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  color:#EFEAE1;
  overflow:hidden;
}
.cta-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:44px;
  align-items:center;
}
.cta-grid h2{color:#FBF8F2;font-size:29px;line-height:1.36;margin-bottom:14px;}
.cta-grid p{color:#C6D1CD;font-size:16px;}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-note{
  margin-top:20px;
  font-size:13px;
  color:#93A5A1;
  grid-column:1 / -1;
  padding-top:20px;
  border-top:1px solid rgba(247,244,238,.14);
}
/* ---------- more list ---------- */
.more-list{
  border-top:1px solid var(--line);
}
.more-item{
  display:flex;
  align-items:center;
  gap:22px;
  padding:24px 6px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease;
}
.more-item:hover{background:rgba(201,123,37,.05);padding-left:14px;}
.more-item .num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  color:var(--amber);
  flex:0 0 34px;
}
.more-item .txt{flex:1 1 auto;}
.more-item .txt strong{
  display:block;
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:4px;
}
.more-item .txt span{font-size:14px;color:var(--text-2);}
.more-item .arrow{
  flex:0 0 auto;
  color:var(--text-3);
  font-family:var(--font-num);
  transition:transform .2s ease,color .2s ease;
}
.more-item:hover .arrow{transform:translateX(4px);color:var(--amber);}
/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:#C6D1CD;
  padding:76px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:52px;
}
.footer-brand .brand-mark{
  display:block;
  color:#FBF8F2;
  font-size:20px;
}
.footer-brand .brand-sub{
  display:block;
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--amber-2);
  text-transform:uppercase;
  margin:4px 0 16px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:#9CAEAA;}
.footer-col h4{
  font-family:var(--font-serif);
  font-size:16px;
  color:#FBF8F2;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:14px;
  color:#A9B8B4;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--amber-2);}
.footer-contact li{font-size:14px;color:#A9B8B4;line-height:1.7;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 30px;
  border-top:1px solid rgba(247,244,238,.14);
  font-size:13px;
  color:#8B9B97;
}
/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 40px;}
}
@media (max-width:1023px){
  :root{--sec-y:78px;}
  .container{padding:0 32px;}
  .dock-nav{display:none;}
  .menu-btn{display:flex;}
  .hero{padding:56px 0 62px;}
  .hero h1{font-size:34px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{order:-1;}
  .tier-grid{grid-template-columns:1fr;}
  .tier-card.is-wide{grid-column:auto;grid-template-columns:1fr;gap:24px;}
  .safety-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-buttons{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sec-y:60px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  .dock{gap:14px;padding:9px 10px 9px 16px;}
  .brand-mark{font-size:17px;}
  .hero h1{font-size:29px;}
  .hero .hero-lead{font-size:16px;}
  .section-head h2,.head-row h2{font-size:23px;}
  .head-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .stat-strip{grid-template-columns:1fr;gap:16px;}
  .stat-item{padding:0;border-left:none;border-top:1px solid rgba(247,244,238,.14);padding-top:14px;}
  .stat-item:first-child{border-top:none;padding-top:0;}
  .safety-grid{grid-template-columns:1fr;}
  .tier-card{padding:24px;}
  .tier-card.is-featured{padding:28px 24px 26px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .cta-grid h2{font-size:23px;}
  .more-item{gap:14px;}
  .more-item .txt strong{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .dock-actions .btn{width:auto;}
}