/* roulang page: index */
:root{
  --brand:#6D3BF5;
  --brand-soft:rgba(109,59,245,.08);
  --brand-line:rgba(109,59,245,.3);
  --accent:#FF7A3D;
  --accent-soft:rgba(255,122,61,.1);
  --mint:#19C6A8;
  --mint-soft:rgba(25,198,168,.12);
  --bg:#F7F6F3;
  --dark:#161227;
  --dark-2:#1F1A33;
  --ink:#2A2733;
  --muted:#5C5766;
  --faint:#8B8694;
  --line:#E6E3EC;
  --card:#FFFFFF;
  --soft:#F2F0F7;
  --on-dark:#F4F2FA;
  --on-dark-muted:#B9B4C6;
  --r-card:16px;
  --r-lg:24px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,18,39,.06);
  --sh-2:0 12px 32px -12px rgba(22,18,39,.16);
  --sh-3:0 24px 56px -22px rgba(22,18,39,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --w:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::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:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.02em;color:var(--ink);line-height:1.35}
h1{font-size:40px;font-weight:800}
h2{font-size:30px;font-weight:800}
h3{font-size:22px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input{font:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:24px;top:-60px;z-index:200;background:var(--brand);color:#fff;padding:10px 18px;border-radius:var(--r-pill);transition:top .2s var(--ease)}
.skip-link:focus{top:12px;color:#fff}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--soft{background:var(--soft)}
.section--white{background:#fff}
.section--tight{padding:72px 0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);
  font-size:17px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn svg{flex:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 14px 30px -16px rgba(255,122,61,.95)}
.btn-primary:hover{color:#fff;background:#ff8b56;transform:translateY(-1px);box-shadow:0 18px 36px -16px rgba(255,122,61,1)}
.btn-primary:active{transform:translateY(1px);background:#f06d31}
.btn-outline{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{color:#fff;background:#241d3d;transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-light:hover{color:#fff;background:rgba(255,255,255,.2);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn:disabled{opacity:.45;pointer-events:none}
.link-text{font-size:16px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent}
.link-text:hover{border-bottom-color:var(--brand-line)}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1.6;letter-spacing:.01em}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:#D95A1E}
.badge-mint{background:var(--mint-soft);color:#0E8E79}
.badge-dark{background:rgba(255,255,255,.12);color:#fff}
.badge-soft{background:var(--soft);color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0;pointer-events:none}
.nav-pill{
  pointer-events:auto;display:flex;align-items:center;gap:26px;
  background:rgba(255,255,255,.74);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-pill);
  padding:10px 14px 10px 20px;
  box-shadow:var(--sh-2);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),padding .25s var(--ease);
}
.site-header.is-scrolled .nav-pill{background:rgba(255,255,255,.94);box-shadow:0 16px 40px -18px rgba(22,18,39,.34);padding:6px 14px 6px 20px}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:.01em}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#9A6BFF);
  color:#fff;font-family:var(--mono);font-weight:700;font-size:16px;
  box-shadow:0 8px 18px -10px rgba(109,59,245,.9);
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-links a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--muted);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.is-active{color:var(--brand);background:var(--brand-soft)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:2px;background:var(--brand);
}
.nav-cta{flex:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;flex:none}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  pointer-events:auto;display:none;position:absolute;left:24px;right:24px;top:82px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);padding:16px;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:13px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--muted)}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--brand-soft);color:var(--brand)}
.mobile-panel .btn{width:100%;margin-top:10px}

/* ============ Hero ============ */
.hero{
  position:relative;background:var(--dark);color:var(--on-dark);
  margin-top:-82px;padding:170px 0 96px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:26px 26px;opacity:.55;
  -webkit-mask-image:radial-gradient(120% 90% at 80% 10%,#000 10%,transparent 70%);
  mask-image:radial-gradient(120% 90% at 80% 10%,#000 10%,transparent 70%);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.5),transparent 65%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{color:#fff;font-size:42px;line-height:1.28;margin-bottom:18px}
.hero h1 .hl{color:#B79AFF}
.hero-sub{font-size:18px;color:var(--on-dark-muted);margin-bottom:30px;max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:22px}
.hero-meta{font-size:14px;color:#8F8AA3;line-height:1.9}
.hero-meta b{color:#CFC9DE;font-weight:600}
.hero-visual{position:relative}
.hero-shot{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 40px 80px -32px rgba(0,0,0,.75);
}
.hero-shot img{width:100%;aspect-ratio:16/11;object-fit:cover}
.countdown{
  position:absolute;left:-26px;bottom:-26px;background:#fff;color:var(--ink);
  border-radius:18px;padding:16px 18px;box-shadow:var(--sh-3);min-width:212px;
}
.countdown-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--faint);margin-bottom:8px}
.countdown-row{display:flex;gap:10px}
.countdown-cell{text-align:center;min-width:44px}
.countdown-cell b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--brand);line-height:1.2}
.countdown-cell span{font-size:11px;color:var(--faint)}

/* ============ 数据条 ============ */
.stats-strip{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:34px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;color:var(--ink);line-height:1.2}
.stat b i{font-style:normal;font-size:18px;color:var(--brand);margin-left:2px}
.stat span{display:block;font-size:14px;color:var(--faint);margin-top:6px}

/* ============ 板块头 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:46px}
.section-head p{color:var(--muted);font-size:16px;margin-top:10px;max-width:52em}
.section-head h2{margin-top:0}

/* ============ 功能价值 ============ */
.feature-rows{display:grid;gap:64px}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.feature-row .feature-media{order:2}
.feature-row.is-reverse .feature-media{order:0}
.feature-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-num{font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.18em;color:var(--brand);display:block;margin-bottom:12px}
.feature-row h3{font-size:24px;margin-bottom:12px}
.feature-row p{color:var(--muted);font-size:16px;margin-bottom:18px}
.feature-list{display:grid;gap:10px}
.feature-list li{position:relative;padding-left:26px;font-size:15px;color:var(--muted)}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--mint);box-shadow:0 0 0 4px var(--mint-soft);
}

/* ============ 截图轮播 ============ */
.shots-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.shots-nav{display:flex;gap:10px}
.shots-nav button{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink);box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.shots-nav button:hover{border-color:var(--brand-line);color:var(--brand);transform:translateY(-1px)}
.shots-track{
  display:flex;gap:22px;overflow-x:auto;padding:6px 6px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.shots-track::-webkit-scrollbar{display:none}
.shot{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.shot:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--sh-2)}
.shot img{width:100%;aspect-ratio:9/16;object-fit:cover;background:var(--soft)}
.shot-body{padding:16px 18px 20px}
.shot-body h3{font-size:17px;margin-bottom:6px}
.shot-body p{font-size:14px;color:var(--faint);line-height:1.75}

/* ============ 赛季进程 + 排行榜 ============ */
.two-col{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.stage-scroll{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 18px;scrollbar-width:none}
.stage-scroll::-webkit-scrollbar{display:none}
.stage-card{
  flex:0 0 232px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),border-color .22s var(--ease)
}
.stage-card:hover{transform:translateY(-2px);border-color:var(--brand-line)}
.stage-card b{display:block;font-family:var(--mono);font-size:13px;color:var(--faint);letter-spacing:.12em;margin-bottom:10px}
.stage-card h3{font-size:18px;margin-bottom:8px}
.stage-card p{font-size:14px;color:var(--muted);line-height:1.75}
.stage-card .badge{margin-top:14px}
.table-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto}
.rank-table{min-width:520px;font-size:15px}
.rank-table th{
  text-align:left;padding:14px 18px;background:var(--soft);color:var(--muted);
  font-size:13px;font-weight:700;letter-spacing:.06em;white-space:nowrap;
}
.rank-table td{padding:15px 18px;border-top:1px solid var(--line);color:var(--muted)}
.rank-table tbody tr:nth-child(even){background:#FBFAFD}
.rank-table tbody tr:hover{background:var(--brand-soft)}
.rank-table td:first-child{color:var(--faint);font-family:var(--mono);font-weight:700}
.rank-table td.name{color:var(--ink);font-weight:600}
.rank-table td .num{color:var(--brand);font-weight:700}

/* ============ 系统要求 ============ */
.spec-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:30px}
.spec{padding:22px;border-radius:var(--r-card);background:var(--soft);border:1px solid var(--line)}
.spec span{display:block;font-size:13px;color:var(--faint);margin-bottom:6px}
.spec b{font-family:var(--mono);font-size:17px;font-weight:700;color:var(--ink)}
.table-note{margin-top:16px;font-size:14px;color:var(--faint)}

/* ============ 评价墙 ============ */
.review-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding-bottom:28px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)
}
.review-card:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--sh-2)}
.review-card:nth-child(even){transform:translateY(26px)}
.review-card:nth-child(even):hover{transform:translateY(24px)}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-weight:700;font-size:16px;color:#fff;background:linear-gradient(140deg,var(--brand),#9A6BFF);
}
.review-card:nth-child(3n+2) .avatar{background:linear-gradient(140deg,var(--accent),#FFB07A)}
.review-card:nth-child(3n) .avatar{background:linear-gradient(140deg,var(--mint),#5FE0C6)}
.review-top b{display:block;font-size:16px;color:var(--ink)}
.review-top span{display:block;font-size:13px;color:var(--faint)}
.stars{margin-left:auto;color:#FFB020;font-size:14px;letter-spacing:2px;white-space:nowrap}
.review-card p{font-size:15px;color:var(--muted);line-height:1.85}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand-line);box-shadow:var(--sh-2)}
.news-cover{display:block;background:var(--soft)}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:10px}
.news-title{font-size:19px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand)}
.news-sum{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--faint)}
.news-foot a{font-weight:600;font-size:14px}
.empty-state{
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;color:var(--faint);
}
.empty-state svg{color:var(--faint);opacity:.7}
.empty-state p{font-size:15px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item:hover{border-color:var(--brand-line)}
.faq-item.is-open{border-color:var(--brand-line);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{flex:none;transition:transform .2s var(--ease);color:var(--brand)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);background:var(--soft)}
.faq-a p{padding:16px 24px;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ CTA ============ */
.cta-band{background:var(--dark);color:var(--on-dark);position:relative;overflow:hidden;padding:88px 0}
.cta-band::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.32),transparent 65%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:var(--on-dark-muted);margin-bottom:26px;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:18px;font-size:14px;color:#8F8AA3}
.qr-box{
  justify-self:end;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:22px;text-align:center;
}
.qr-code{
  width:132px;height:132px;border-radius:12px;margin:0 auto 14px;
  background-color:#fff;
  background-image:
    repeating-linear-gradient(0deg,#161227 0 8px,transparent 8px 16px),
    repeating-linear-gradient(90deg,#161227 0 8px,transparent 8px 16px);
  background-blend-mode:multiply;
  opacity:.9;
}
.qr-box span{font-size:13px;color:var(--on-dark-muted);display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--on-dark-muted);padding:72px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-weight:800;font-size:17px}
.site-footer p{font-size:14px;line-height:1.9;color:#9A94AC}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
.site-footer li{margin-bottom:10px}
.site-footer a{color:var(--on-dark-muted);font-size:14px}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;
  flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7E7893;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px}
  .hero h1{font-size:36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-pill{justify-content:space-between;gap:12px}
  .hero{margin-top:-80px;padding:150px 0 84px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:560px}
  .hero h1{font-size:33px}
  .section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:none}
  .stat:nth-child(n+3){border-bottom:none}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row .feature-media{order:0}
  .two-col{grid-template-columns:1fr;gap:44px}
  .spec-bar{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .qr-box{justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .hero{padding:140px 0 68px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-actions .link-text{width:100%;justify-content:center}
  .countdown{position:static;margin-top:18px;left:auto;bottom:auto}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:34px}
  h2{font-size:26px}
  .shots-nav{display:none}
  .shot{flex:0 0 258px}
  .review-wall{grid-template-columns:1fr;padding-bottom:0}
  .review-card:nth-child(even){transform:none}
  .review-card:nth-child(even):hover{transform:translateY(-2px)}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .btn{height:50px;font-size:16px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .brand-text{font-size:15px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .stat b{font-size:28px}
  .spec-bar{grid-template-columns:1fr}
  .news-body{padding:16px}
  .review-card,.stage-card{padding:18px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a p{padding:14px 18px}
  .cta-band{padding:64px 0}
}

/* roulang page: category1 */
:root{
  --primary:#6D3BF5;
  --primary-soft:#F2F0F7;
  --primary-line:rgba(109,59,245,.28);
  --accent:#FF7A3D;
  --accent-dark:#E9621F;
  --mint:#19C6A8;
  --bg:#F7F6F3;
  --dark:#161227;
  --dark-2:#1F1935;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8694;
  --border:#E6E3EC;
  --card:#FFFFFF;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(22,18,39,.06);
  --shadow-2:0 12px 32px -12px rgba(22,18,39,.16);
  --shadow-3:0 20px 48px -20px rgba(22,18,39,.32);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe 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);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.02em;font-weight:750;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:120;
  transition:top .25s ease;
}
.site-header.is-scrolled{top:10px;}
.nav-pill{
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 20px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(230,227,236,.9);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,padding .25s ease,background-color .25s ease;
}
.site-header.is-scrolled .nav-pill{
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-2);
  padding-top:6px;
  padding-bottom:6px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:750;
  font-size:17px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;
  height:34px;
  flex:none;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--primary),#8A5CFF);
  color:#fff;
  font-size:16px;
  font-weight:800;
  box-shadow:0 6px 16px -6px rgba(109,59,245,.75);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-links a{
  display:inline-block;
  padding:9px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft);}
.nav-links a.is-active{
  color:var(--primary);
  background:rgba(109,59,245,.1);
  font-weight:650;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--radius-pill);
  border:1px solid var(--border);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(22,18,39,.44);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;
  top:84px;
  left:16px;
  right:16px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-3);
  padding:16px;
  transform:translateY(-10px);
  transition:transform .24s ease;
}
.drawer.is-open .drawer-panel{transform:translateY(0);}
.drawer-panel a{
  display:block;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  color:var(--text);
  font-size:16px;
  font-weight:550;
}
.drawer-panel a + a{margin-top:4px;}
.drawer-panel a:hover{background:var(--primary-soft);color:var(--primary);}
.drawer-panel a.is-active{background:rgba(109,59,245,.1);color:var(--primary);font-weight:700;}
.drawer-panel .drawer-cta{margin-top:12px;}
.drawer-panel .drawer-cta .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  font-size:16.5px;
  font-weight:650;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(1px);filter:brightness(.96);}
.btn:disabled{opacity:.45;transform:none;cursor:not-allowed;}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 10px 24px -12px rgba(255,122,61,.95);
}
.btn-primary:hover{background:var(--accent-dark);color:#fff;box-shadow:0 14px 28px -12px rgba(255,122,61,.9);}
.btn-purple{background:var(--primary);color:#fff;box-shadow:0 10px 24px -12px rgba(109,59,245,.9);}
.btn-purple:hover{background:#5C2EE0;color:#fff;box-shadow:0 14px 28px -12px rgba(109,59,245,.9);}
.btn-outline{
  border-color:var(--border);
  background:transparent;
  color:var(--text);
}
.btn-outline:hover{border-color:var(--primary-line);background:rgba(109,59,245,.06);color:var(--primary);}
.btn-outline-light{
  border-color:rgba(255,255,255,.32);
  background:transparent;
  color:#fff;
}
.btn-outline-light:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.1);color:#fff;}
.btn-ghost{
  height:auto;
  padding:0;
  color:var(--primary);
  font-weight:650;
  box-shadow:none;
}
.btn-ghost:hover{color:var(--accent);transform:none;background:none;}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}
.btn-lg{height:54px;padding:0 32px;font-size:17px;}

/* ---------- 徽章/标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(109,59,245,.1);
  color:var(--primary);
  white-space:nowrap;
}
.badge-accent{background:rgba(255,122,61,.13);color:#C8531A;}
.badge-mint{background:rgba(25,198,168,.14);color:#0E8C77;}
.badge-dark{background:rgba(255,255,255,.12);color:#EDE9F7;}
.badge-plain{background:var(--primary-soft);color:var(--text-2);}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--border);
  color:var(--text-2);
  font-size:14px;
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--primary-line);color:var(--primary);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-compact{padding:72px 0;}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-dark{background:var(--dark);color:#EDE9F7;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:14px;
}
.section-dark .eyebrow{color:#B9A6FF;}
.section h2{font-size:30px;font-weight:780;margin-bottom:14px;}
.section-desc{color:var(--text-2);font-size:16.5px;margin:0;}
.section-dark .section-desc{color:#B9B4C6;}

/* ---------- Hero ---------- */
.hero-inner{
  position:relative;
  padding:150px 0 96px;
  background:var(--dark);
  color:#EDE9F7;
  overflow:hidden;
}
.hero-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.hero-inner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(22,18,39,.96) 8%,rgba(22,18,39,.74) 52%,rgba(35,26,72,.68) 100%);
}
.hero-inner .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:#9E98B0;
  margin-bottom:26px;
}
.breadcrumb a{color:#C9C3DC;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{color:#6C667F;}
.breadcrumb .current{color:#EDE9F7;}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hero-copy .eyebrow{color:#B9A6FF;}
.hero-copy h1{
  font-size:42px;
  font-weight:800;
  color:#fff;
  margin-bottom:18px;
}
.hero-copy h1 em{
  font-style:normal;
  color:#C4B2FF;
  border-bottom:3px solid var(--accent);
  padding-bottom:2px;
}
.hero-lead{
  font-size:17.5px;
  color:#C5BFD6;
  max-width:620px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:22px;}
.hero-note{
  font-size:14px;
  color:#9E98B0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
}
.hero-note span{display:inline-flex;align-items:center;gap:6px;}
.hero-note .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:none;}
.hero-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 32px 64px -28px rgba(0,0,0,.8);
  aspect-ratio:4/3;
  background:rgba(255,255,255,.04);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual .float-card{
  position:absolute;
  left:18px;
  bottom:18px;
  right:18px;
  background:rgba(22,18,39,.82);
  backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:14px 16px;
  display:flex;
  align-items:center;
  gap:14px;
}
.hero-visual .float-card strong{display:block;font-size:15px;color:#fff;}
.hero-visual .float-card span{font-size:13px;color:#B9B4C6;}

/* ---------- 数据条 ---------- */
.stats-strip{
  position:relative;
  z-index:3;
  margin-top:-56px;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:20px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);
  padding:28px 24px;
}
.stat{text-align:left;padding:0 8px;}
.stat + .stat{border-left:1px solid var(--border);}
.stat .stat-num{
  font-size:28px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.01em;
  line-height:1.2;
}
.stat .stat-num small{font-size:15px;font-weight:700;margin-left:2px;color:var(--text-2);}
.stat .stat-label{font-size:14px;color:var(--text-3);margin-top:4px;}

/* ---------- 图文叙事流 ---------- */
.story-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.story-row + .story-row{margin-top:84px;}
.story-row.is-reverse .story-media{order:2;}
.story-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-2);
  aspect-ratio:16/10;
  background:#fff;
}
.story-media img{width:100%;height:100%;object-fit:cover;}
.story-index{
  font-size:14px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--accent);
  margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.story-body h3{font-size:22px;margin-bottom:14px;}
.story-body p{color:var(--text-2);}
.story-list{margin-top:18px;}
.story-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:10px;
  color:var(--text-2);
  font-size:15.5px;
}
.story-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:11px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--primary);
  opacity:.85;
}

/* ---------- 能力清单 ---------- */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:#fff;
}
.cap-item{
  display:flex;
  gap:18px;
  padding:26px 28px;
  border-bottom:1px solid var(--border);
}
.cap-item:nth-child(odd){border-right:1px solid var(--border);}
.cap-item:nth-last-child(-n+2){border-bottom:0;}
.cap-no{
  flex:none;
  width:38px;
  height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.cap-item h3{font-size:18px;margin-bottom:6px;}
.cap-item p{font-size:15px;color:var(--text-2);margin:0;}

/* ---------- 时间线 ---------- */
.timeline-wrap{max-width:820px;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(109,59,245,.12));
  border-radius:2px;
}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-34px;
  top:8px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--primary);
  box-shadow:0 0 0 4px rgba(109,59,245,.12);
}
.timeline-date{
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  margin-bottom:6px;
}
.timeline-item h3{font-size:18.5px;margin-bottom:8px;}
.timeline-item p{color:var(--text-2);font-size:15.5px;margin:0;}

/* ---------- 评价墙 ---------- */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.quote-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote-card:nth-child(2){margin-top:28px;}
.quote-card:hover{transform:translateY(-2px);border-color:var(--primary-line);box-shadow:var(--shadow-2);}
.quote-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.avatar{
  width:46px;height:46px;flex:none;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  font-weight:800;font-size:17px;
}
.quote-head .who{font-weight:700;font-size:15.5px;}
.quote-head .meta{font-size:13px;color:var(--text-3);}
.stars{color:var(--accent);font-size:14px;letter-spacing:2px;margin-bottom:10px;}
.quote-card p{color:var(--text-2);font-size:15.5px;margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item[open]{border-color:var(--primary-line);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:650;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  flex:none;
  width:9px;
  height:9px;
  border-right:2px solid var(--primary);
  border-bottom:2px solid var(--primary);
  transform:rotate(45deg);
  margin-top:-5px;
  transition:transform .2s ease,margin .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:5px;}
.faq-item[open] summary{color:var(--primary);}
.faq-body{
  padding:16px 24px 20px;
  background:var(--primary-soft);
  color:var(--text-2);
  font-size:15.5px;
}
.faq-body p{margin:0;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background:var(--dark);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:56px 48px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr auto;
  gap:40px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:12px;}
.cta-band p{color:#C5BFD6;margin:0;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-hint{margin-top:18px;font-size:14px;color:#9E98B0;}
.qr-box{
  width:132px;
  height:132px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.09);
  border:1px dashed rgba(255,255,255,.3);
  display:grid;
  place-items:center;
  text-align:center;
  font-size:13px;
  color:#C5BFD6;
  padding:12px;
  line-height:1.5;
}
.cta-foot{
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--border);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.cta-foot p{margin:0;color:var(--text-2);font-size:15.5px;}
.cta-foot .tag-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:#B9B4C6;
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:750;
  font-size:17px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:#B9B4C6;margin:0;}
.site-footer h4{
  font-size:15.5px;
  color:#fff;
  margin-bottom:16px;
  font-weight:700;
  letter-spacing:.02em;
}
.site-footer ul li{margin-bottom:10px;font-size:14.5px;}
.site-footer ul li a{color:#B9B4C6;}
.site-footer ul li a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:#8E88A3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero-copy h1{font-size:38px;}
}
@media (max-width:1023px){
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-pill{justify-content:space-between;}
  .section{padding:72px 0;}
  .section-compact{padding:56px 0;}
  .hero-inner{padding:132px 0 80px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:560px;}
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .stat + .stat{border-left:0;}
  .stat{padding:12px 0;border-top:1px solid var(--border);}
  .stat:nth-child(-n+3){border-top:0;}
  .story-row{grid-template-columns:1fr;gap:28px;}
  .story-row.is-reverse .story-media{order:0;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-item:nth-child(odd){border-right:0;}
  .cap-item:nth-last-child(-n+2){border-bottom:1px solid var(--border);}
  .cap-item:last-child{border-bottom:0;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-compact{padding:48px 0;}
  .hero-inner{padding:118px 0 64px;}
  .hero-copy h1{font-size:32px;}
  .hero-lead{font-size:16.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-actions .btn-ghost{width:auto;justify-content:flex-start;}
  .stats-strip{margin-top:-40px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);padding:20px 16px;gap:10px;}
  .stat:nth-child(-n+3){border-top:1px solid var(--border);}
  .stat:nth-child(-n+2){border-top:0;}
  .stat .stat-num{font-size:23px;}
  .section h2{font-size:24px;}
  .story-row + .story-row{margin-top:56px;}
  .story-body h3{font-size:20px;}
  .quote-grid{grid-template-columns:1fr;gap:16px;}
  .quote-card:nth-child(2){margin-top:0;}
  .cta-band{padding:36px 22px;border-radius:var(--radius);}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .qr-box{width:100%;height:auto;padding:18px;}
  .cta-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-body{padding:14px 18px 18px;}
}
@media (max-width:480px){
  .hero-copy h1{font-size:28px;}
  .stat .stat-num{font-size:21px;}
  .story-media{border-radius:var(--radius-sm);}
  .cap-item{padding:20px;}
  .quote-card{padding:20px;}
}

/* roulang page: article */
:root{
  --brand:#6D3BF5;
  --brand-soft:rgba(109,59,245,.10);
  --brand-line:rgba(109,59,245,.30);
  --cta:#FF7A3D;
  --mint:#19C6A8;
  --dark:#161227;
  --dark-2:#1F1A35;
  --bg:#F7F6F3;
  --card:#FFFFFF;
  --soft:#F2F0F7;
  --ink:#2A2733;
  --ink-2:#5C5766;
  --ink-3:#8B8694;
  --line:#E6E3EC;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-img:14px;
  --radius-pill:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(22,18,39,.06);
  --shadow-2:0 12px 32px -12px rgba(22,18,39,.16);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::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:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-family:var(--mono)}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 0;transition:padding .25s ease}
.site-header.is-scrolled{padding-top:8px}
.header-inner{max-width:1248px;margin:0 auto;padding:0 24px}
.nav-shell{
  display:flex;align-items:center;gap:14px;
  padding:9px 12px 9px 18px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background .25s ease,box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.95);
  box-shadow:var(--shadow-2);
  padding-top:6px;padding-bottom:6px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#8A5CFF);
  color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 6px 16px -8px rgba(109,59,245,.9);
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--ink-2);white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{position:fixed;inset:0;z-index:90;display:none}
.nav-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(22,18,39,.45);backdrop-filter:blur(2px)}
.drawer-panel{
  position:absolute;top:12px;left:16px;right:16px;
  background:#fff;border-radius:var(--radius-lg);padding:20px;
  box-shadow:var(--shadow-2);border:1px solid var(--line);
  max-height:calc(100vh - 32px);overflow:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:36px;height:36px;border-radius:var(--radius-pill);background:var(--soft);font-size:18px;line-height:1;color:var(--ink-2)}
.drawer-panel a.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;font-size:16px;color:var(--ink-2);
}
.drawer-panel a.drawer-link:hover{background:var(--soft);color:var(--brand)}
.drawer-panel a.drawer-link.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.drawer-cta{margin-top:16px;display:block}
.drawer-cta .btn{width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:17px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 10px 24px -12px rgba(255,122,61,.95)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 16px 30px -14px rgba(255,122,61,1)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 24px -12px rgba(109,59,245,.95)}
.btn-brand:hover{transform:translateY(-1px);filter:brightness(1.04)}
.btn-brand:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-line);background:rgba(109,59,245,.06);color:var(--brand)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.badge-cta{background:rgba(255,122,61,.13);color:#C9521B}
.badge-mint{background:rgba(25,198,168,.14);color:#0E8C76}

/* ============ 文章头部 ============ */
.post-hero{
  position:relative;
  padding:56px 0 44px;
  background:
    radial-gradient(900px 320px at 12% -20%,rgba(109,59,245,.10),transparent 70%),
    radial-gradient(700px 300px at 88% 0%,rgba(25,198,168,.10),transparent 70%),
    var(--bg);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:20px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C7C2D4}
.breadcrumb .current{color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(560px,70vw)}
.post-hero h1{
  font-size:40px;font-weight:800;line-height:1.28;
  max-width:900px;word-break:break-word;overflow-wrap:anywhere;
  margin:14px 0 18px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--ink-3)}
.post-meta .item{display:inline-flex;align-items:center;gap:7px}
.post-meta strong{color:var(--ink-2);font-weight:600}

/* ============ 文章布局 ============ */
.post-section{padding:0 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:44px;align-items:start}
.article-main{max-width:760px;min-width:0}
.post-cover{
  margin:0 0 32px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--soft);
}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-cover figcaption{font-size:13px;color:var(--ink-3);text-align:center;padding:10px 14px;background:#fff}

/* ============ 正文排版 ============ */
.article-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-1)}
.article-body > *:first-child{margin-top:0}
.article-body p{font-size:17px;line-height:1.9;color:var(--ink);margin:0 0 1.1em}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--ink);
  margin:2.4em 0 .6em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--mint));
}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink);margin:1.9em 0 .5em}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink-2);margin:1.6em 0 .4em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:.6em;font-size:17px;line-height:1.85;color:var(--ink-2);
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--brand);opacity:.85;
}
.article-body ol{counter-reset:olc}
.article-body ol li::before{
  counter-increment:olc;content:counter(olc);
  position:absolute;left:0;top:.2em;width:18px;height:18px;border-radius:50%;
  font-size:12px;font-weight:700;color:#fff;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--soft);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p{margin:0;font-size:16.5px;color:var(--ink-2)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#4E22D6}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body code{font-family:var(--mono);font-size:.92em;background:var(--soft);padding:2px 6px;border-radius:6px;color:#4E22D6}
.article-body pre{overflow-x:auto;background:var(--dark);color:#EDEAF7;padding:16px 18px;border-radius:12px;font-size:14px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.article-body thead th{background:var(--soft);color:var(--ink);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FBFAFD}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ 空态 ============ */
.empty-state{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:24px;font-weight:800;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);max-width:460px;margin:0 auto 22px;font-size:15.5px}

/* ============ 标签 ============ */
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.post-tags .label{font-size:14px;color:var(--ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13.5px;background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.tag:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-soft)}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.aside-card h3{font-size:16.5px;font-weight:700;margin-bottom:14px}
.aside-list li + li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.aside-list a{display:block;font-size:15px;color:var(--ink-2);line-height:1.6}
.aside-list a:hover{color:var(--brand)}
.aside-list .meta{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}
.aside-cta{
  background:linear-gradient(160deg,var(--dark),var(--dark-2));
  border:1px solid rgba(255,255,255,.08);color:#fff;
}
.aside-cta h3{color:#fff}
.aside-cta p{font-size:14px;color:#B9B4C6;line-height:1.8;margin-bottom:16px}
.aside-cta .btn{width:100%}
.aside-cta .hint{display:block;font-size:12.5px;color:#8B8694;margin-top:10px;text-align:center}
.aside-links{display:flex;flex-direction:column;gap:8px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:12px;background:var(--soft);
  font-size:14.5px;color:var(--ink-2);
}
.aside-links a:hover{background:var(--brand-soft);color:var(--brand)}
.aside-links a span{color:var(--brand);font-weight:700}

/* ============ 相关推荐 ============ */
.related{padding:8px 0 72px}
.section-head{margin-bottom:26px}
.section-head h2{font-size:30px;font-weight:800}
.section-head p{color:var(--ink-2);font-size:15.5px;margin-top:8px}
.related-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-3px);border-color:var(--brand-line);box-shadow:var(--shadow-2)}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.related-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card h3{font-size:18px;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.related-card .foot .more{color:var(--brand);font-weight:600}
.related-back{margin-top:26px}

/* ============ CTA 带 ============ */
.cta-band{
  background:linear-gradient(135deg,var(--dark) 0%,#241B44 100%);
  color:#fff;padding:64px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between}
.cta-text{max-width:600px}
.cta-text h2{font-size:30px;font-weight:800;color:#fff}
.cta-text p{color:#B9B4C6;font-size:15.5px;margin-top:12px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px}
.cta-note{font-size:13px;color:#8B8694;margin-top:14px}
.qr-box{
  width:150px;height:150px;border-radius:16px;flex-shrink:0;
  background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.14) 0 6px,rgba(255,255,255,.05) 6px 12px),
    rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:13px;color:#CFC9DE;padding:16px;line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9B4C6;padding:56px 0 22px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16.5px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:16px}
.site-footer p{line-height:1.85;color:#9E99AE;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul li a{color:#B9B4C6}
.site-footer ul li a:hover{color:var(--cta)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding-top:18px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8B8694;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links a{padding:8px 11px;font-size:14.5px}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .container{padding:0 22px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-aside{position:static}
  .cta-text h2{font-size:26px}
  .post-hero h1{font-size:32px}
  .post-section{padding-bottom:56px}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .brand-text{font-size:15px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  .site-header{padding-top:10px}
  .header-inner{padding:0 14px}
  .nav-shell{padding:8px 10px 8px 14px}
  .post-hero{padding:34px 0 30px}
  .post-hero h1{font-size:27px;margin:12px 0 14px}
  .article-body{padding:22px;border-radius:var(--radius-card)}
  .article-body p,.article-body ul li,.article-body ol li{font-size:16.5px}
  .article-body h2{font-size:22px;margin-top:2em}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:24px}
  .cta-inner{gap:24px}
  .qr-box{width:100%;height:auto;padding:20px}
  .cta-actions .btn{width:100%}
  .btn{height:48px;font-size:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .breadcrumb .current{max-width:56vw}
  .post-hero h1{font-size:24px}
  .article-body{padding:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .post-meta{gap:8px 16px;font-size:13px}
}

/* roulang page: category2 */
:root{
  --primary:#6D3BF5;
  --primary-deep:#4B22BE;
  --primary-soft:rgba(109,59,245,.10);
  --primary-line:rgba(109,59,245,.30);
  --accent:#FF7A3D;
  --accent-deep:#E85F22;
  --mint:#19C6A8;
  --bg:#F7F6F3;
  --dark:#161227;
  --dark-2:#241C3D;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8694;
  --border:#E6E3EC;
  --card:#FFFFFF;
  --soft:#F2F0F7;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(22,18,39,.06);
  --shadow-2:0 12px 32px -12px rgba(22,18,39,.16);
  --shadow-3:0 18px 44px -16px rgba(22,18,39,.26);
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.02em;line-height:1.32;}
p{margin:0;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input{font:inherit;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;max-width:1200px;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border:1px solid rgba(230,227,236,.95);
  box-shadow:var(--shadow-1),0 14px 34px -18px rgba(22,18,39,.28);
  transition:padding .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{
  padding:6px 12px 6px 18px;
  background:rgba(255,255,255,.95);
  box-shadow:var(--shadow-1),0 16px 38px -16px rgba(22,18,39,.32);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.02em;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:12px;
  background:linear-gradient(135deg,var(--primary) 0%,#9A6BFF 55%,var(--accent) 140%);
  color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:800;font-family:var(--mono);
  box-shadow:0 6px 16px -8px rgba(109,59,245,.75);
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--text-2);
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary);}
.nav-links a.is-active{color:var(--primary);font-weight:700;background:var(--primary-soft);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;
  width:14px;height:3px;border-radius:999px;background:var(--primary);
  transform:translateX(-50%);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--accent);color:#fff;
  font-size:15px;font-weight:700;white-space:nowrap;
  box-shadow:0 10px 22px -12px rgba(255,122,61,.9);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 26px -12px rgba(255,122,61,.95);}
.nav-cta:active{transform:translateY(1px);filter:brightness(.96);}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:999px;
  border:1px solid var(--border);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);position:relative;transition:background .2s;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

.nav-drawer{
  position:fixed;top:82px;left:16px;right:16px;z-index:79;
  background:#fff;border:1px solid var(--border);border-radius:22px;
  box-shadow:var(--shadow-3);
  padding:14px;
  display:none;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:13px 16px;border-radius:14px;
  font-size:16px;color:var(--text-2);
}
.nav-drawer a:hover,.nav-drawer a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:700;}
.nav-drawer .nav-cta{width:100%;justify-content:center;margin-top:10px;}
.nav-overlay{
  position:fixed;inset:0;background:rgba(22,18,39,.35);z-index:78;display:none;
}
.nav-overlay.is-open{display:block;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;border-radius:999px;
  font-size:17px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(255,122,61,.95);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 16px 30px -14px rgba(255,122,61,1);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95);}
.btn-outline{border-color:var(--primary-line);color:var(--primary);background:transparent;}
.btn-outline:hover{background:rgba(109,59,245,.07);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--dark);box-shadow:var(--shadow-2);}
.btn-light:hover{transform:translateY(-1px);}
.btn-ghost{color:var(--primary);padding:0 8px;height:52px;}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px;}
.btn:disabled{opacity:.45;pointer-events:none;}
.btn-sm{height:44px;padding:0 20px;font-size:15px;}

.icon{width:18px;height:18px;flex:none;display:block;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:rgba(255,122,61,.13);color:var(--accent-deep);}
.badge-mint{background:rgba(25,198,168,.14);color:#0E8E79;}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:158px 0 78px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 78%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(109,59,245,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--border);
  font-size:13.5px;font-weight:700;color:var(--text-2);
  box-shadow:var(--shadow-1);
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--mint);display:block;}
.hero h1{
  margin-top:20px;
  font-size:clamp(32px,4.2vw,46px);
  line-height:1.22;
  color:var(--text);
}
.hero h1 em{
  font-style:normal;color:var(--primary);
  background:linear-gradient(180deg,transparent 68%,rgba(109,59,245,.18) 68%);
}
.hero-sub{
  margin-top:18px;max-width:560px;
  font-size:17px;color:var(--text-2);
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;}
.hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:14px;color:var(--text-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta b{color:var(--text);font-weight:700;}
.dot{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}

.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  box-shadow:var(--shadow-3);
}
.hero-float{
  position:absolute;left:-22px;bottom:-24px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:14px 18px;box-shadow:var(--shadow-2);
  display:flex;align-items:center;gap:14px;
}
.hero-float strong{display:block;font-size:20px;font-family:var(--mono);color:var(--primary);}
.hero-float span{font-size:13px;color:var(--text-3);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--soft{background:var(--soft);}
.section--white{background:#fff;}
.section--dark{background:var(--dark);color:#EDEAF6;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,30px);}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--text-2);}
.section--dark .section-head p{color:#B9B4C6;}
.section-kicker{
  display:inline-block;margin-bottom:14px;
  font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--primary);text-transform:uppercase;
}
.section--dark .section-kicker{color:var(--accent);}

/* ---------- 版本卡片 ---------- */
.version-feature{
  display:grid;grid-template-columns:1fr 1.25fr;gap:0;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-2);
}
.version-feature figure{margin:0;position:relative;min-height:280px;}
.version-feature figure img{width:100%;height:100%;object-fit:cover;}
.version-feature-body{padding:34px 36px;display:flex;flex-direction:column;gap:16px;}
.version-feature-body h3{font-size:24px;}
.version-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.version-meta div{
  background:var(--soft);border-radius:14px;padding:12px 14px;
}
.version-meta dt{font-size:12.5px;color:var(--text-3);}
.version-meta dd{margin:2px 0 0;font-size:17px;font-weight:800;font-family:var(--mono);}
.checksum{
  font-size:13px;color:var(--text-3);
  background:var(--soft);border-radius:12px;padding:10px 14px;
  word-break:break-all;
}
.version-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;}

.version-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px;}
.v-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.v-card:hover{transform:translateY(-2px);border-color:var(--primary-line);box-shadow:var(--shadow-2);}
.v-card h3{font-size:21px;}
.v-list{display:grid;gap:9px;font-size:14.5px;color:var(--text-2);}
.v-list li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--border);padding-bottom:8px;}
.v-list li:last-child{border-bottom:none;padding-bottom:0;}
.v-list b{color:var(--text);font-family:var(--mono);font-weight:700;}
.v-card .btn{width:100%;}

/* ---------- 系统要求表 ---------- */
.table-wrap{
  border:1px solid var(--border);border-radius:var(--radius-card);
  background:#fff;overflow-x:auto;box-shadow:var(--shadow-1);
  -webkit-overflow-scrolling:touch;
}
table.req{width:100%;min-width:720px;font-size:15px;}
table.req th,table.req td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;}
table.req thead th{
  background:var(--soft);font-size:14px;font-weight:800;color:var(--text-2);
  letter-spacing:.04em;
}
table.req tbody tr:nth-child(even){background:#FAF9FC;}
table.req tbody tr:last-child td{border-bottom:none;}
table.req td:first-child{font-weight:800;color:var(--text);}
.table-note{margin-top:14px;font-size:14px;color:var(--text-3);}

/* ---------- 截图横条 ---------- */
.shot-bar{position:relative;}
.shot-scroll{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 6px 18px;margin:0 -6px;
  scrollbar-width:thin;
}
.shot-scroll::-webkit-scrollbar{height:8px;}
.shot-scroll::-webkit-scrollbar-thumb{background:#DCD8E6;border-radius:999px;}
.shot-card{
  flex:0 0 288px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.shot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.shot-card img{width:100%;aspect-ratio:9/16;object-fit:cover;}
.shot-card figcaption{padding:16px 18px;font-size:15px;color:var(--text-2);}
.shot-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:8px;}
.shot-nav button{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--border);background:#fff;
  display:grid;place-items:center;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.shot-nav button:hover{background:var(--primary-soft);border-color:var(--primary-line);transform:translateY(-1px);}

/* ---------- 下载步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 22px;
}
.step-num{
  width:42px;height:42px;border-radius:13px;
  background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-weight:800;font-family:var(--mono);
  margin-bottom:16px;
}
.step h3{font-size:19px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:50%;
  border:1px solid var(--border);position:relative;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--text-2);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--primary-line);background:var(--primary-soft);}
.faq-item.is-open .faq-icon::before{background:var(--primary);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:4px 24px 22px;
  background:var(--soft);
  font-size:15.5px;color:var(--text-2);
}
.faq-a-inner p{padding-top:16px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 62%,#3A2560 100%);
  color:#fff;border-radius:var(--radius-lg);
  padding:52px;display:grid;grid-template-columns:1.5fr .9fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-3);
}
.cta-band h2{font-size:clamp(24px,2.6vw,30px);color:#fff;}
.cta-band p{margin-top:14px;color:#C7C2D6;font-size:16px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-hint{margin-top:18px;font-size:13.5px;color:#9A94AD;}
.qr-box{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:22px;text-align:center;
}
.qr-box img{width:100%;max-width:180px;margin:0 auto;border-radius:14px;aspect-ratio:1/1;object-fit:cover;}
.qr-box span{display:block;margin-top:14px;font-size:13.5px;color:#B9B4C6;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9B4C6;padding:76px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;font-size:18px;margin-bottom:16px;
}
.footer-brand .brand-mark{box-shadow:0 6px 16px -8px rgba(109,59,245,.9);}
.site-footer p{font-size:15px;line-height:1.9;color:#B9B4C6;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer ul{display:grid;gap:10px;font-size:15px;}
.site-footer a{color:#B9B4C6;transition:color .2s ease;}
.site-footer a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:52px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#948FA6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .hero{padding-top:142px;}
  .hero-grid{gap:40px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-float{position:static;margin-top:16px;box-shadow:var(--shadow-1);}
  .version-feature{grid-template-columns:1fr;}
  .version-feature figure{min-height:220px;aspect-ratio:16/9;}
  .version-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{padding-right:8px;}
  .nav-cta{display:none;}
  .nav-drawer .nav-cta{display:inline-flex;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .site-header{top:10px;padding:0 12px;}
  .hero{padding:124px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .version-grid{grid-template-columns:1fr;}
  .version-meta{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .shot-card{flex:0 0 240px;}
  .shot-nav{display:none;}
  .shot-card img{aspect-ratio:3/4;}
  .footer-grid{grid-template-columns:1fr;}
  .version-feature-body{padding:26px 20px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{padding:4px 18px 20px;}
}
@media (max-width:520px){
  h1,h2,h3{letter-spacing:0;}
  .section{padding:56px 0;}
  .cta-band{padding:28px 20px;border-radius:20px;}
  .v-card,.step{padding:18px 16px;}
  .badge{font-size:12px;padding:4px 10px;}
  table.req th,table.req td{padding:13px 14px;}
}

/* roulang page: category3 */
:root{
  --primary:#6D3BF5;
  --primary-soft:rgba(109,59,245,.08);
  --primary-line:rgba(109,59,245,.30);
  --accent:#FF7A3D;
  --accent-ink:#23150C;
  --mint:#19C6A8;
  --bg:#F7F6F3;
  --dark:#161227;
  --dark-2:#1E1836;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8694;
  --border:#E6E3EC;
  --card:#FFFFFF;
  --soft:#F2F0F7;
  --radius-card:16px;
  --radius-block:24px;
  --radius-btn:999px;
  --shadow-1:0 1px 2px rgba(22,18,39,.06);
  --shadow-2:0 12px 32px -12px rgba(22,18,39,.16);
  --shadow-3:0 20px 44px -16px rgba(22,18,39,.24);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.02em;font-weight:800;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:16px;font-weight:700;letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{background:#5F2CE6;transform:translateY(-1px);box-shadow:var(--shadow-3);text-decoration:none}
.btn-primary:active{transform:translateY(1px);background:#5526CF}
.btn-accent{background:var(--accent);color:var(--accent-ink);box-shadow:0 12px 30px -12px rgba(255,122,61,.75)}
.btn-accent:hover{background:#FF8A55;transform:translateY(-1px);box-shadow:0 18px 38px -14px rgba(255,122,61,.85);text-decoration:none}
.btn-accent:active{transform:translateY(1px);background:#F26B2C}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border);box-shadow:var(--shadow-1)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary-line);color:var(--primary);transform:translateY(-1px);text-decoration:none}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.38)}
.btn-line:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.7);text-decoration:none}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:var(--container);z-index:120}
.nav-pill{
  display:flex;align-items:center;gap:22px;
  padding:10px 12px 10px 18px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.74);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(230,227,236,.9);
  box-shadow:0 8px 26px -14px rgba(22,18,39,.28);
  transition:box-shadow .2s ease,padding .2s ease,background-color .2s ease;
}
.site-header.is-scrolled .nav-pill{
  background:rgba(255,255,255,.93);
  box-shadow:0 14px 34px -16px rgba(22,18,39,.4);
  padding:6px 12px 6px 18px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:.02em;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#8C63FF);
  color:#fff;font-family:var(--mono);font-size:17px;font-weight:700;
  box-shadow:0 8px 18px -8px rgba(109,59,245,.8);
}
.brand-text{font-size:17px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft);text-decoration:none}
.nav-links a.is-active{color:var(--primary);background:var(--primary-soft)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:16px;height:3px;border-radius:999px;background:var(--primary);
}
.nav-dl{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;position:fixed;top:84px;left:16px;right:16px;z-index:119;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-block);
  box-shadow:var(--shadow-3);padding:16px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:14px 16px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text-2);
}
.mobile-panel a:hover{background:var(--soft);color:var(--primary);text-decoration:none}
.mobile-panel a.is-active{background:var(--primary-soft);color:var(--primary)}
.mobile-panel .btn{width:100%;margin-top:10px}
.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(22,18,39,.35);z-index:118;
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.nav-mask.open{display:block}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#C4BFD1}
.crumbs .now{color:var(--primary);font-weight:700}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:150px 0 64px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(109,59,245,.14),transparent 62%),
    radial-gradient(600px 320px at 4% 8%,rgba(25,198,168,.12),transparent 60%),
    var(--bg);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(22,18,39,.07) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-1);
  font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.04em;margin-bottom:20px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(25,198,168,.16)}
.page-hero h1{font-size:40px;line-height:1.24;margin-bottom:18px}
.page-hero h1 .hl{
  color:var(--primary);
  background:linear-gradient(180deg,transparent 66%,rgba(109,59,245,.18) 66%);
  padding:0 2px;
}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:640px}
.hero-lead + .hero-lead{margin-top:12px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;
}
.stat{
  flex:1 1 140px;min-width:130px;background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:14px 16px;box-shadow:var(--shadow-1);
}
.stat dt{font-size:13px;color:var(--text-3);font-weight:600}
.stat dd{margin:4px 0 0;font-family:var(--mono);font-size:20px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}
.stat dd.alt{color:var(--mint)}
.hero-media{
  position:relative;border-radius:var(--radius-block);overflow:hidden;
  border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-3);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media .media-cap{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(22,18,39,.78);color:#fff;border-radius:14px;padding:12px 14px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-media .media-cap strong{display:block;font-size:15px;font-weight:700}
.hero-media .media-cap span{font-size:13px;color:#C9C3DC}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.section.on-soft{background:var(--soft)}
.section.on-white{background:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section h2{font-size:30px;line-height:1.3}
.section h3{font-size:20px}
.section-head p{margin-top:12px;font-size:16px;color:var(--text-2)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:var(--primary-soft);color:var(--primary);white-space:nowrap;
}
.tag-accent{background:rgba(255,122,61,.14);color:#C7521C}
.tag-mint{background:rgba(25,198,168,.14);color:#0E8E77}
.tag-grey{background:#EFEDF4;color:var(--text-2)}

/* ---------- 筛选栏 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:16px 18px;box-shadow:var(--shadow-1);margin-bottom:34px;
}
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  padding:9px 18px;border-radius:999px;font-size:14.5px;font-weight:700;
  transition:all .18s ease;
}
.filter-btn:hover{border-color:var(--primary-line);color:var(--primary);background:var(--primary-soft)}
.filter-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 10px 22px -12px rgba(109,59,245,.85)}
.filter-hint{font-size:14px;color:var(--text-3)}
.filter-hint b{font-family:var(--mono);color:var(--text);font-variant-numeric:tabular-nums}

/* ---------- 时间线 ---------- */
.timeline-wrap{max-width:880px;margin:0 auto}
.timeline{position:relative;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(109,59,245,.55),rgba(109,59,245,.06));
  border-radius:2px;
}
.log-item{position:relative;margin-bottom:26px}
.log-item:last-child{margin-bottom:0}
.log-item[hidden]{display:none}
.log-dot{
  position:absolute;left:-38px;top:26px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 5px rgba(109,59,245,.10);
}
.log-dot::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary)}
.log-item.is-latest .log-dot{border-color:var(--accent);box-shadow:0 0 0 5px rgba(255,122,61,.16)}
.log-item.is-latest .log-dot::after{background:var(--accent)}
.log-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.log-card:hover{border-color:var(--primary-line);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.log-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.ver-badge{
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.04em;
  background:var(--dark);color:#fff;padding:5px 12px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.log-item.is-latest .ver-badge{background:var(--accent);color:var(--accent-ink)}
.log-date{font-family:var(--mono);font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.log-card h3{font-size:19px;margin-bottom:8px}
.log-sum{font-size:15.5px;color:var(--text-2);line-height:1.85}
.log-list{margin-top:14px;border-top:1px dashed var(--border);padding-top:14px;display:grid;gap:10px}
.log-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.8}
.log-kind{
  flex-shrink:0;font-size:12.5px;font-weight:700;padding:2px 9px;border-radius:6px;height:22px;line-height:18px;
}
.k-feature{background:rgba(109,59,245,.12);color:var(--primary)}
.k-perf{background:rgba(25,198,168,.14);color:#0E8E77}
.k-fix{background:rgba(255,122,61,.15);color:#C7521C}

/* ---------- 版本号说明 ---------- */
.legend{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-block);
  padding:26px 28px;box-shadow:var(--shadow-1);
}
.legend-item{padding-right:18px;border-right:1px solid var(--border)}
.legend-item:last-child{border-right:none;padding-right:0}
.legend-item dt{font-family:var(--mono);font-size:18px;font-weight:700;color:var(--primary);margin-bottom:6px}
.legend-item dd{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.8}
.legend-note{
  margin-top:18px;display:flex;gap:10px;align-items:flex-start;
  background:var(--soft);border:1px solid var(--border);border-radius:14px;padding:16px 18px;font-size:14.5px;color:var(--text-2);
}
.legend-note b{color:var(--text)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:var(--primary-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:18px 20px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--primary)}
.faq-arrow{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:var(--primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 20px 18px;background:var(--soft);margin:0;font-size:15px;color:var(--text-2);line-height:1.85}
.faq-a-inner > p{padding-top:16px}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  right:-140px;top:-200px;background:radial-gradient(circle,rgba(109,59,245,.55),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  left:-120px;bottom:-180px;background:radial-gradient(circle,rgba(25,198,168,.32),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.cta-inner h2{color:#fff;font-size:28px}
.cta-inner p{margin-top:10px;color:#C9C3DC;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{margin-top:18px;font-size:13.5px;color:#9A93B0;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9B4C6;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--accent),#FFB27A);box-shadow:none}
.site-footer p{font-size:14.5px;line-height:1.9;color:#9A93B0;max-width:360px}
.site-footer h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:16px}
.site-footer ul{display:grid;gap:10px}
.site-footer a{color:#B9B4C6;font-size:14.5px;transition:color .18s ease}
.site-footer a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8B8694;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1000px}
}
@media (max-width:1024px){
  .page-hero{padding-top:132px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{order:2}
  .legend{grid-template-columns:1fr;gap:14px}
  .legend-item{border-right:none;padding-right:0;border-bottom:1px solid var(--border);padding-bottom:14px}
  .legend-item:last-child{border-bottom:none;padding-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-links,.nav-dl{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-pill{gap:12px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-hero{padding:124px 0 48px}
  .page-hero h1{font-size:32px}
  .section{padding:56px 0}
  .section.tight{padding:44px 0}
  .section h2{font-size:26px}
  .section h3{font-size:20px}
  .timeline{padding-left:30px}
  .timeline::before{left:9px}
  .log-dot{left:-30px;width:20px;height:20px;top:22px}
  .log-dot::after{width:6px;height:6px}
  .log-card{padding:18px}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .page-hero h1{font-size:28px}
  .section h2{font-size:23px}
  .log-card h3{font-size:18px}
  .ver-badge{font-size:12.5px}
  .brand-text{font-size:15.5px}
  .stat{padding:12px 14px}
  .stat dd{font-size:18px}
  .btn{font-size:15.5px;padding:0 22px}
}

/* roulang page: category4 */
:root{
  --primary:#6D3BF5;
  --primary-soft:rgba(109,59,245,.08);
  --accent:#FF7A3D;
  --mint:#19C6A8;
  --bg:#F7F6F3;
  --dark:#161227;
  --text:#2A2733;
  --text-2:#5C5766;
  --text-3:#8B8694;
  --border:#E6E3EC;
  --card:#FFFFFF;
  --soft:#F2F0F7;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:999px;
  --shadow-1:0 1px 2px rgba(22,18,39,.06);
  --shadow-2:0 12px 32px -12px rgba(22,18,39,.16);
  --shadow-3:0 20px 44px -18px rgba(22,18,39,.26);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 0;transition:padding .25s ease}
.site-header.is-scrolled{padding-top:8px}
.nav-shell{
  display:flex;align-items:center;gap:24px;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  box-shadow:var(--shadow-1);
  transition:background .25s ease,box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.92);
  box-shadow:var(--shadow-2);
  padding-top:6px;padding-bottom:6px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:16px;letter-spacing:.01em;
  box-shadow:0 6px 14px -6px rgba(109,59,245,.7);
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-links a.is-active{color:var(--primary);font-weight:700}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:999px;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--border);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease}
.mobile-panel{
  position:absolute;left:24px;right:24px;top:76px;z-index:70;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-3);padding:14px;display:none;
}
.mobile-panel.is-open{display:block;animation:panelIn .22s ease}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;font-size:16px;color:var(--text-2);font-weight:500;
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--soft);color:var(--primary);font-weight:700}
.mobile-panel .mobile-cta{margin-top:8px;justify-content:center;background:var(--accent);color:#fff;font-weight:700}
.mobile-panel .mobile-cta:hover{background:var(--accent);color:#fff;filter:brightness(1.04)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(22,18,39,.36);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .22s ease;
}
.nav-overlay.is-open{opacity:1;pointer-events:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-btn);
  font-size:17px;font-weight:600;border:1px solid transparent;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -10px rgba(255,122,61,.7)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px -12px rgba(255,122,61,.75);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-purple{background:var(--primary);color:#fff;box-shadow:0 10px 22px -10px rgba(109,59,245,.7)}
.btn-purple:hover{transform:translateY(-1px);box-shadow:0 16px 30px -12px rgba(109,59,245,.75);filter:brightness(1.04)}
.btn-purple:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{border-color:var(--border);color:var(--text);background:#fff}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(109,59,245,.35);color:var(--primary)}
.btn-outline-light{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;padding:64px 0 88px;overflow:hidden;
  background:
    radial-gradient(circle at 1px 1px, rgba(109,59,245,.10) 1px, transparent 0) 0 0/22px 22px,
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,122,61,.16), rgba(255,122,61,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--border);
  color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.04em;
  box-shadow:var(--shadow-1);margin-bottom:20px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
.page-hero h1{
  font-size:40px;line-height:1.22;font-weight:800;letter-spacing:.02em;margin-bottom:18px;
}
.hero-lead{font-size:17px;color:var(--text-2);max-width:620px;margin-bottom:30px}
.search-form{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-btn);
  padding:8px 8px 8px 22px;max-width:580px;box-shadow:var(--shadow-2);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:rgba(109,59,245,.5);box-shadow:0 0 0 4px rgba(109,59,245,.12),var(--shadow-2)}
.search-form .search-icon{color:var(--text-3);flex:none;display:grid;place-items:center}
.search-form input{flex:1;min-width:0;height:44px;border:0;outline:none;background:transparent;font-size:16px;color:var(--text)}
.search-form input::placeholder{color:var(--text-3)}
.hero-hint{margin-top:14px;font-size:14px;color:var(--text-3)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-3);
}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:12px 18px;box-shadow:var(--shadow-2);font-size:14px;color:var(--text-2);
}
.hero-badge strong{display:block;font-size:20px;color:var(--text);font-weight:800;line-height:1.4}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  position:sticky;top:84px;z-index:40;
  padding:12px 0;
  background:rgba(247,246,243,.88);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  padding:9px 18px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--border);
  font-size:15px;color:var(--text-2);box-shadow:var(--shadow-1);
  transition:color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--primary);border-color:rgba(109,59,245,.35);transform:translateY(-1px);box-shadow:var(--shadow-2)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-white{background:#fff}
.section-soft{background:var(--soft)}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{font-size:30px;line-height:1.32;font-weight:800;letter-spacing:.02em;margin-bottom:14px}
.section-head p{font-size:17px;color:var(--text-2)}
.section-head .count{color:var(--primary);font-weight:700}

/* ---------- FAQ ---------- */
.faq-group{margin-bottom:56px;scroll-margin-top:150px}
.faq-group:last-of-type{margin-bottom:0}
.faq-group-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.faq-group-head h2{font-size:26px;font-weight:800;letter-spacing:.02em}
.faq-group-head span{font-size:14px;color:var(--text-3)}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(109,59,245,.3)}
.faq-item.is-open{border-color:rgba(109,59,245,.42);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-chevron{
  flex:none;width:30px;height:30px;border-radius:50%;
  background:var(--soft);color:var(--primary);
  display:grid;place-items:center;transition:transform .2s ease,background .2s ease;
}
.faq-item.is-open .faq-chevron{transform:rotate(180deg);background:var(--primary-soft)}
.faq-a{max-height:0;overflow:hidden;background:var(--soft);transition:max-height .28s ease}
.faq-a-inner{padding:16px 22px 20px;font-size:16px;color:var(--text-2)}
.faq-a-inner p + p{margin-top:10px}
.faq-a-inner strong{color:var(--text)}
.faq-empty{
  margin-top:28px;padding:44px 24px;text-align:center;
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
  color:var(--text-2);font-size:16px;
}
.faq-empty strong{display:block;color:var(--text);font-size:17px;margin-bottom:8px}

/* ---------- 排查步骤（图文） ---------- */
.steps-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.steps-layout img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-2)}
.steps-list{display:grid;gap:18px;margin-top:26px}
.steps-list li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,border-color .2s ease,box-shadow .2s ease;
}
.steps-list li:hover{transform:translateY(-2px);border-color:rgba(109,59,245,.3);box-shadow:var(--shadow-2)}
.step-num{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-weight:800;font-size:17px;
}
.steps-list h3{font-size:18px;font-weight:700;margin-bottom:6px}
.steps-list p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- 支持与联系 ---------- */
.support-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.support-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.support-card h3{font-size:22px;font-weight:700;margin-bottom:8px}
.support-card > p{color:var(--text-2);font-size:16px;margin-bottom:22px}
.support-list{display:grid;gap:2px}
.support-list li{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 2px;border-bottom:1px solid var(--border);font-size:16px;
}
.support-list li:last-child{border-bottom:0}
.support-list .label{color:var(--text-3);font-size:15px}
.support-list .value{font-weight:600;text-align:right}
.support-list a.value{color:var(--primary)}
.support-list a.value:hover{color:var(--accent)}
.prepare-card{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--shadow-3);
}
.prepare-card h3{font-size:22px;font-weight:700;margin-bottom:10px;color:#fff}
.prepare-card p{color:#B9B4C6;font-size:15px;margin-bottom:20px}
.prepare-card ul{display:grid;gap:12px}
.prepare-card li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:#DCD8E8;line-height:1.75;
}
.prepare-card li::before{
  content:"";flex:none;width:8px;height:8px;border-radius:50%;
  background:var(--mint);margin-top:9px;
}
.prepare-tip{
  margin-top:22px;padding:14px 16px;border-radius:14px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  font-size:14px;color:#B9B4C6;
}

/* ---------- CTA 带 ---------- */
.cta-section{padding:0 0 96px}
.cta-band{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:1.5fr auto;gap:36px;align-items:center;
  box-shadow:var(--shadow-3);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle, rgba(109,59,245,.45), rgba(109,59,245,0) 70%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:30px;font-weight:800;letter-spacing:.02em;margin-bottom:12px;color:#fff}
.cta-band p{color:#B9B4C6;font-size:16px;margin-bottom:8px}
.cta-note{font-size:14px;color:#8B8694}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9B4C6;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.9;color:#B9B4C6;max-width:360px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.site-footer ul{display:grid;gap:10px;font-size:14px}
.site-footer a{color:#B9B4C6}
.site-footer a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8B8694;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .page-hero h1{font-size:36px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .cta-section{padding-bottom:72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2}
  .page-hero{padding:48px 0 64px}
  .steps-layout{grid-template-columns:1fr;gap:36px}
  .support-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px}
}
@media (max-width:960px){
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .nav-shell{justify-content:space-between;padding:8px 10px 8px 16px}
  .anchor-bar{top:74px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 52px}
  .page-hero h1{font-size:30px}
  .hero-lead{font-size:16px}
  .section-head{margin-bottom:32px}
  .section-head h2,.cta-band h2{font-size:26px}
  .faq-group-head h2{font-size:22px}
  .faq-q{font-size:16px;padding:18px}
  .faq-a-inner{padding:14px 18px 18px;font-size:15.5px}
  .search-form{
    border-radius:18px;padding:10px;flex-wrap:wrap;
  }
  .search-form input{padding-left:12px;width:100%}
  .search-form button{width:100%}
  .cta-actions .btn{width:100%}
  .steps-list li{grid-template-columns:38px 1fr;padding:18px}
  .step-num{width:38px;height:38px;border-radius:12px;font-size:16px}
  .support-card,.prepare-card{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px}
  .brand-text{font-size:15.5px}
  .hero-badge{left:0;bottom:12px;padding:10px 14px}
  .cta-band{padding:28px 22px}
}