/* roulang page: index */
:root{
  --xy-gutter:1.5rem;
  --brand:#FF5A1F;
  --brand-dark:#E03E12;
  --brand-light:#FFB08A;
  --mint:#12D6A0;
  --violet:#7B4DFF;
  --bg:#FFF6EF;
  --card:#FFFFFF;
  --ink:#17121F;
  --line:#F0E4DA;
  --chip-orange:#FFF1E8;
  --chip-mint:#E9FBF5;
  --text:#1A1522;
  --text-2:#5B5568;
  --text-3:#8E8798;
  --white:#FFFFFF;
  --white-2:#E8E1F0;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --sh:0 8px 24px rgba(26,21,34,.08);
  --sh-hover:0 16px 40px rgba(255,90,31,.18);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:72px 0 0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;background:transparent}
a:hover,a:focus{color:var(--brand)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 容器与板块 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:.2px}
.section-head .sub{color:var(--text-2);font-size:14px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--brand);background:var(--chip-orange);border-radius:999px;padding:5px 12px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:4px;transition:gap .22s var(--ease)}
.link-more:hover{gap:8px}
.title-bar{position:relative;padding-left:14px}
.title-bar::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;font-size:15px;padding:0 24px;height:48px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(255,90,31,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand-light);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-sm{height:38px;font-size:14px;padding:0 18px}
.btn:active{transform:scale(.98)}

/* 顶部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;height:72px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .25s var(--ease),border-color .25s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(26,21,34,.08)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--grad);display:flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:0 8px 18px rgba(255,90,31,.28)}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-text b{font-size:15px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.6px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:0 14px;height:72px;display:inline-flex;align-items:center}
.nav-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:20px;height:3px;border-radius:3px;background:var(--grad);transform:scaleX(0);transform-origin:center;transition:transform .22s var(--ease)}
.nav-menu a:hover{color:var(--text)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--text);font-weight:600}
.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-toggle{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;transition:border-color .22s var(--ease),transform .22s var(--ease)}
.search-toggle svg{width:18px;height:18px;stroke:var(--text-2);fill:none;stroke-width:2}
.search-toggle:hover{border-color:var(--brand-light);transform:translateY(-2px)}
.search-toggle:hover svg{stroke:var(--brand)}
.search-bar{display:none;border-top:1px solid var(--line);background:#fff}
.search-bar.is-open{display:block}
.search-bar form{display:flex;gap:12px;padding:14px 0}
.search-bar input{flex:1;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 16px;background:#FFFDFB}
.search-bar input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(255,90,31,.15)}

/* 移动底部 Tab */
.mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:80;height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:flex;align-items:stretch;justify-content:space-around}
.mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:10px;color:var(--text-3);position:relative;font-weight:500}
.mobile-tab a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--grad);transition:transform .22s var(--ease)}
.mobile-tab a.is-active{color:var(--brand);font-weight:600}
.mobile-tab a.is-active::before{transform:translateX(-50%) scaleX(1)}

/* Hero */
.hero{position:relative;padding:64px 0 72px;overflow:hidden;background:
  radial-gradient(900px 420px at 88% -10%,rgba(255,122,24,.16),transparent 60%),
  radial-gradient(700px 360px at -6% 20%,rgba(18,214,160,.12),transparent 62%)}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.25;font-weight:700;letter-spacing:.2px;margin:18px 0 0}
.hero .hero-sub{margin-top:18px;color:var(--text-2);font-size:clamp(15px,1.7vw,17px);max-width:520px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.mini-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;color:var(--text-2)}
.mini-badge b{font-size:16px;font-weight:700;color:var(--brand)}
.mini-badge i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.hero-visual{display:flex;justify-content:center}
.phone-card{position:relative;width:100%;max-width:320px;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-dark)}
.phone-card img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.phone-card .phone-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,122,24,.20) 0%,rgba(123,77,255,.30) 45%,rgba(23,18,31,.86) 100%)}
.phone-top{position:absolute;top:14px;left:14px;right:14px;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.phone-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.28);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;transition:background .22s var(--ease),transform .22s var(--ease)}
.phone-play svg{width:20px;height:20px;fill:#fff;margin-left:3px}
.phone-card:hover .phone-play{background:var(--brand);transform:translate(-50%,-50%) scale(1.06)}
.phone-foot{position:absolute;left:18px;right:18px;bottom:18px;color:#fff}
.phone-foot strong{display:block;font-size:17px;font-weight:600;line-height:1.4}
.phone-foot .phone-data{display:flex;gap:14px;margin-top:8px;font-size:12px;color:rgba(255,255,255,.82)}
.phone-rail{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;align-items:center;color:#fff;font-size:11px;letter-spacing:2px;writing-mode:vertical-rl;opacity:.75}

/* 数据徽章条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.stat-pill{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:2px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.stat-pill:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-pill .stat-num{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--brand);line-height:1.2}
.stat-pill .stat-num em{font-size:13px;font-style:normal;color:var(--text-3);font-weight:500;margin-left:4px}
.stat-pill .stat-label{font-size:12px;color:var(--text-2)}
.stat-pill.mint .stat-num{color:var(--mint)}
.stat-pill.violet .stat-num{color:var(--violet)}

/* 横向卡带 */
.rail-wrap{position:relative}
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 20px;margin:0 -4px;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.clip-card{position:relative;flex:0 0 calc((100% - 24px*3.5)/4.5);scroll-snap-align:start;aspect-ratio:3/4;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.clip-card:hover img{transform:scale(1.04)}
.clip-card .clip-mask{position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(23,18,31,.82) 100%)}
.clip-top{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.clip-bottom{position:absolute;left:14px;right:14px;bottom:14px;color:#fff}
.clip-bottom h3{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-bottom .clip-data{display:flex;gap:12px;font-size:12px;color:rgba(255,255,255,.78);margin-top:8px}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;line-height:1.5;white-space:nowrap}
.tag-orange{background:var(--chip-orange);color:var(--brand)}
.tag-mint{background:var(--chip-mint);color:#0B9E77}
.tag-violet{background:#F1ECFF;color:var(--violet)}
.tag-glass{background:rgba(255,255,255,.22);color:#fff;backdrop-filter:blur(4px)}
.tag-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}

/* 种草清单 */
.picks{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:48px;align-items:start}
.pick-list{display:flex;flex-direction:column;gap:14px}
.pick-item{display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.pick-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.pick-no{font-size:26px;font-weight:700;color:var(--brand-light);letter-spacing:-1px;font-variant-numeric:tabular-nums}
.pick-body h3{font-size:17px;font-weight:600;line-height:1.45}
.pick-body p{font-size:14px;color:var(--text-2);margin-top:4px}
.pick-check{width:26px;height:26px;border-radius:50%;background:var(--chip-mint);display:flex;align-items:center;justify-content:center}
.pick-check svg{width:14px;height:14px;stroke:#0B9E77;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.picks-aside{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh)}
.picks-aside h3{font-size:19px;font-weight:700;margin-bottom:12px}
.picks-aside p{color:var(--text-2);font-size:15px}
.picks-aside ul{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.picks-aside li{display:flex;gap:10px;font-size:15px;color:var(--text-2)}
.picks-aside li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:10px}
.picks-aside .btn{margin-top:22px;width:100%}

/* 最新信息列表 */
.news-lead{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);height:100%;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.news-lead .lead-cover{aspect-ratio:16/9;overflow:hidden}
.news-lead .lead-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-lead:hover .lead-cover img{transform:scale(1.04)}
.news-lead .lead-body{padding:22px 24px 24px}
.news-lead h3{font-size:19px;font-weight:600;line-height:1.5;margin-top:12px}
.news-lead p{font-size:14px;color:var(--text-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:var(--text-3)}
.news-mini{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;height:100%;box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.news-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.news-mini h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini .news-meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 24px}
.empty-state svg{width:84px;height:56px;stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round}
.empty-state p{font-size:15px;color:var(--text-2)}

/* 分类导览 */
.cat-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:24px}
.cat-card{position:relative;border-radius:var(--r-lg);padding:30px;color:#fff;overflow:hidden;min-height:190px;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);color:#fff}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;transition:transform .3s var(--ease)}
.cat-card:hover img{transform:scale(1.04)}
.cat-card .cat-mask{position:absolute;inset:0;background:linear-gradient(160deg,rgba(255,122,24,.86),rgba(123,77,255,.78))}
.cat-card.c-mint .cat-mask{background:linear-gradient(160deg,rgba(18,214,160,.86),rgba(23,18,31,.8))}
.cat-card.c-violet .cat-mask{background:linear-gradient(160deg,rgba(123,77,255,.86),rgba(255,61,110,.7))}
.cat-card.c-ink .cat-mask{background:linear-gradient(160deg,rgba(23,18,31,.86),rgba(255,90,31,.68))}
.cat-card .cat-inner{position:relative;z-index:2}
.cat-card h3{font-size:clamp(19px,2.2vw,24px);font-weight:700;line-height:1.35}
.cat-card p{font-size:14px;color:rgba(255,255,255,.86);margin-top:8px}
.cat-card .cat-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;margin-top:16px;color:#fff}
.cat-card:first-child{grid-row:span 2;min-height:404px}
.cat-card:first-child h3{font-size:clamp(22px,2.6vw,30px)}

/* 口碑 */
.quote-rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin:0 -4px}
.quote-card{flex:0 0 min(340px,78vw);scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh)}
.quote-head{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 auto}
.quote-head b{font-size:15px;font-weight:600;display:block}
.stars{display:flex;gap:2px;margin-top:3px}
.stars svg{width:13px;height:13px;fill:#FFB020}
.quote-card p{font-size:15px;color:var(--text-2);margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.quote-src{display:inline-block;margin-top:14px;font-size:12px;color:var(--text-3);background:var(--bg);border-radius:999px;padding:4px 10px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .22s var(--ease)}
.faq-item.is-open{box-shadow:var(--sh)}
.faq-q{width:100%;display:flex;align-items:center;gap:12px;text-align:left;min-height:52px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--text)}
.faq-q .dot{width:10px;height:10px;border-radius:50%;background:var(--grad);flex:0 0 auto}
.faq-q .arrow{margin-left:auto;width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.faq-item.is-open .arrow{transform:rotate(180deg);stroke:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--text-2)}
.faq-item.is-open .faq-a{max-height:260px}
.faq-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh)}
.faq-side h3{font-size:19px;font-weight:700}
.faq-side p{font-size:15px;color:var(--text-2);margin-top:10px}
.faq-side ul{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.faq-side li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text-2)}
.faq-side li span{width:26px;height:26px;border-radius:8px;background:var(--chip-orange);color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.faq-side .btn{margin-top:22px;width:100%}

/* Action Bar */
.action-bar{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad);color:#fff;padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:0 16px 40px rgba(255,90,31,.26)}
.action-bar h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35}
.action-bar p{font-size:14px;color:rgba(255,255,255,.86);margin-top:8px}
.action-bar .actions{display:flex;flex-wrap:wrap;gap:12px}
.action-bar .btn-ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);color:#fff}
.action-bar .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;border-color:#fff}
.action-bar .btn-white{background:#fff;color:var(--brand)}
.action-bar .btn-white:hover{color:var(--brand);transform:translateY(-2px)}
.action-note{font-size:12px;color:rgba(255,255,255,.78);margin-top:10px}
.sticky-action{display:none}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--white-2);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.footer-brand b{color:#fff;font-size:15px;font-weight:700;display:block}
.footer-brand span{font-size:11px;color:rgba(232,225,240,.6);letter-spacing:.6px}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;color:rgba(232,225,240,.7);line-height:1.8}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:14px;color:rgba(255,255,255,.8);transition:color .2s var(--ease)}
.site-footer li a:hover{color:var(--brand)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(232,225,240,.14);height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:rgba(232,225,240,.6);flex-wrap:wrap}

/* Foundation 覆盖 */
.grid-margin-x>.cell{margin-bottom:0}
.button,.callout{background:none}
.foundation-clean input[type="text"],.foundation-clean input[type="search"]{margin:0}

/* 响应式 */
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-menu a{padding:0 10px;font-size:14px}
  .picks{grid-template-columns:1fr;gap:32px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:18px}
  .clip-card{flex:0 0 calc((100% - 24px*1.2)/2.2)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-card:first-child{min-height:320px}
}
@media screen and (max-width:639px){
  body{padding:64px 0 72px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .site-header{height:64px}
  .nav-inner{height:64px}
  .hero{padding:40px 0 48px}
  .hero-copy{text-align:center}
  .hero .hero-sub{margin-left:auto;margin-right:auto}
  .hero-btns{justify-content:center}
  .hero-badges{justify-content:center}
  .phone-card{max-width:100%;aspect-ratio:4/5}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat-pill{padding:16px}
  .clip-card{flex:0 0 78%}
  .pick-item{grid-template-columns:48px minmax(0,1fr);gap:12px;padding:14px 16px}
  .pick-check{display:none}
  .cat-grid{grid-template-columns:1fr;grid-template-rows:none}
  .cat-card:first-child{grid-row:auto;min-height:220px}
  .cat-card{min-height:190px;padding:24px}
  .action-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;text-align:left}
  .action-bar .actions{width:100%}
  .action-bar .actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{height:auto;padding:16px 0;flex-direction:column;align-items:flex-start}
  .quote-card{flex:0 0 76vw}
  .sticky-action{display:flex;position:fixed;left:0;right:0;bottom:calc(60px + env(safe-area-inset-bottom));z-index:75;align-items:center;gap:10px;padding:10px 14px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(26,21,34,.1)}
  .sticky-action .sa-text{flex:1;min-width:0;font-size:12px;color:var(--text-2);line-height:1.4}
  .sticky-action .sa-text b{display:block;font-size:14px;color:var(--text);font-weight:600}
  .sticky-action .btn{height:40px;font-size:13px;padding:0 14px}
  .sticky-action .sa-close{width:26px;height:26px;border-radius:50%;background:var(--bg);color:var(--text-3);font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
  .sticky-action.is-hidden{display:none}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E03E12;
  --brand-light:#FFB08A;
  --mint:#12D6A0;
  --violet:#7B4DFF;
  --bg:#FFF6EF;
  --card:#FFFFFF;
  --ink-deep:#17121F;
  --ink:#1A1522;
  --ink-2:#5B5568;
  --ink-3:#8E8798;
  --line:#F0E4DA;
  --chip-warm:#FFF1E8;
  --chip-mint:#E9FBF5;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 8px 24px rgba(26,21,34,.08);
  --sh-hover:0 16px 40px rgba(255,90,31,.18);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:76px;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;color:var(--ink)}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0}
li{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:600;font-size:15px;
  padding:12px 24px;border-radius:999px;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background-color .22s ease,color .22s ease;
}
.btn-primary{background-image:var(--grad);background-size:160% 160%;background-position:0% 50%;color:#fff;box-shadow:var(--sh)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);background-position:100% 50%}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand-light);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background-image:var(--grad);display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,31,.28);
}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;font-weight:700;white-space:nowrap}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.4px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;display:block;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:3px;background-image:var(--grad);
  transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.nav-menu a:hover{color:var(--ink);background:var(--chip-warm)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-menu a.is-active{color:var(--ink);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-toggle{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.search-toggle svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}
.search-toggle:hover{color:var(--brand);border-color:var(--brand-light);transform:translateY(-2px)}
.search-bar{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0}
.search-bar.is-open{display:block}
.search-bar form{display:flex;gap:12px}
.search-bar input{
  flex:1;height:48px;border-radius:999px;border:1px solid var(--line);
  padding:0 20px;font-size:15px;color:var(--ink);background:#fff;
}
.search-bar input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.12)}

/* ---------- article head ---------- */
.article-hero{padding:40px 0 8px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#cfc4bb}
.crumb .crumb-title{color:var(--ink-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head h1{font-size:clamp(28px,5vw,40px);line-height:1.28;font-weight:700;margin-bottom:18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--ink-3)}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--chip-warm);color:var(--brand-dark);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.chip-mint{background:var(--chip-mint);color:#0B9A74}
.chip-mint::before{background:var(--mint)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D9CEC5}

/* ---------- layout ---------- */
.article-wrap{padding:34px 0 64px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:#241E2E}
.article-body p{margin:0 0 1.2em;color:#332C3C}
.article-body h2{
  position:relative;font-size:25px;font-weight:700;line-height:1.4;
  margin:44px 0 18px;padding-left:16px;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background-image:var(--grad);
}
.article-body h3{font-size:19px;font-weight:600;margin:32px 0 12px;color:var(--ink)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--chip-warm);border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#FF7A18,#7B4DFF) 1;
  color:var(--ink-2);font-size:15.5px;
}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;
  background-image:var(--grad);
}
.article-body ol{counter-reset:item}
.article-body ol>li{counter-increment:item}
.article-body ol>li::before{
  content:counter(item);position:absolute;left:0;top:.28em;
  width:18px;height:18px;border-radius:50%;background:var(--chip-warm);color:var(--brand-dark);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
}
.article-body img{border-radius:16px;margin:22px 0 8px;width:100%;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;font-size:15px;
}
.article-body thead th{background:var(--chip-warm);color:var(--ink);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FFFAF6}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:#1C1726;color:#E8E1F0;border-radius:12px;padding:18px 20px;overflow:auto;
  font-size:13.5px;line-height:1.7;margin:24px 0;
}
.article-body code{font-family:"SFMono-Regular",Consolas,monospace;font-size:13.5px}
.article-body p code,.article-body li code{background:var(--chip-warm);color:var(--brand-dark);padding:2px 6px;border-radius:6px}
.article-body a{border-bottom:1px solid rgba(255,90,31,.35)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ---------- toc / sidebar ---------- */
.toc-mobile{display:none;margin:0 0 26px}
.toc-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 18px;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;
}
.toc-toggle span{color:var(--ink-3);font-weight:400;font-size:13px}
.toc-list{display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 8px;margin-top:10px}
.toc-list.is-open{display:block}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh)}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:4px;background-image:var(--grad)}
.toc-nav{display:flex;flex-direction:column;gap:2px}
.toc-nav a{
  display:block;padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--ink-2);
  border-left:2px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.toc-nav a:hover{background:var(--chip-warm);color:var(--brand-dark)}
.toc-nav a.is-current{background:var(--chip-warm);color:var(--brand-dark);font-weight:600;border-left-color:var(--brand)}
.hot-list{display:flex;flex-direction:column;gap:14px}
.hot-item{display:flex;gap:12px;align-items:flex-start}
.hot-num{
  flex:0 0 24px;height:24px;border-radius:8px;background:var(--chip-warm);color:var(--brand-dark);
  font-family:var(--font-num);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.hot-item:nth-child(1) .hot-num{background-image:var(--grad);color:#fff}
.hot-item a{font-size:14.5px;line-height:1.55;color:var(--ink-2);font-weight:500}
.hot-item a:hover{color:var(--brand)}
.hot-item time{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.side-cta{
  background:var(--ink-deep);color:#fff;border-radius:var(--r-md);padding:22px;
  box-shadow:var(--sh-dark);
}
.side-cta h4{color:#fff;font-size:16px;margin-bottom:8px}
.side-cta p{color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.7;margin:0 0 16px}
.side-cta .btn{width:100%}

/* ---------- related ---------- */
.related{margin-top:52px;padding-top:36px;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:22px;font-weight:700}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand)}
.related-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,1fr);gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;
}
.related-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.related-card .thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transition:transform .22s cubic-bezier(.2,.7,.3,1)}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:16px}
.related-card h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px}
.related-card time{font-size:12.5px;color:var(--ink-3)}
.back-row{margin-top:30px}

/* ---------- empty ---------- */
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:36px 24px;
}
.empty-state svg{width:64px;height:64px;fill:none;stroke:var(--brand);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{color:var(--ink-2);font-size:15px;margin:0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.8);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:16px;display:block;line-height:1.2}
.footer-brand span span{font-size:11.5px;color:rgba(255,255,255,.6)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.site-footer p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);margin:0}
.site-footer ul li{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:10px;line-height:1.6}
.site-footer ul li a{color:rgba(255,255,255,.82)}
.site-footer ul li a:hover{color:var(--brand-light)}
.footer-bottom{
  height:48px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- mobile tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
}
.tabbar-inner{display:flex;height:60px}
.tabbar a{
  position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:var(--ink-3);
}
.tabbar a svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.is-active{color:var(--brand);font-weight:600}
.tabbar a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:3px;background-image:var(--grad);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .sidebar{display:none}
  .toc-mobile{display:block}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:767px){
  body{padding-bottom:80px}
  .container{padding:0 16px}
  .nav-inner{height:64px}
  .brand-text span{display:none}
  .article-hero{padding:26px 0 4px}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px;margin:34px 0 14px}
  .related-rail{grid-auto-columns:78%}
  .tabbar{display:block}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;justify-content:center;height:auto;padding:14px 0;gap:6px}
}

/* roulang page: category1 */
:root{
  --primary:#FF5A1F;
  --primary-dark:#E03E12;
  --primary-light:#FFB08A;
  --mint:#12D6A0;
  --violet:#7B4DFF;
  --bg:#FFF6EF;
  --card:#FFFFFF;
  --dark:#17121F;
  --line:#F0E4DA;
  --badge-warm:#FFF1E8;
  --badge-mint:#E9FBF5;
  --text:#1A1522;
  --text-2:#5B5568;
  --text-3:#8E8798;
  --white:#FFFFFF;
  --white-2:#E8E1F0;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --sh:0 8px 24px rgba(26,21,34,.08);
  --sh-hover:0 16px 40px rgba(255,90,31,.18);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 基础组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background-image:var(--grad);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,90,31,.24);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  background-image:linear-gradient(143deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
}
.btn-ghost{
  background:#fff;
  color:var(--text);
  border:1px solid var(--line);
  box-shadow:var(--sh);
}
.btn-ghost:hover{
  color:var(--primary);
  border-color:var(--primary-light);
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
}
.btn-sm{padding:10px 20px;font-size:14px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.link-more::after{content:"→";transition:transform .22s var(--ease);}
.link-more:hover::after{transform:translateX(4px);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  line-height:1.6;
  background:var(--badge-warm);
  color:var(--primary-dark);
}
.badge::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:currentColor;
}
.badge-mint{background:var(--badge-mint);color:#0E9C77;}

.stat-pill{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh);
}
.stat-pill b{
  font-size:20px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.stat-pill span{font-size:12px;color:var(--text-3);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(26,21,34,.08);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:13px;
  background-image:var(--grad);
  box-shadow:0 8px 18px rgba(255,90,31,.28);
}
.brand-mark svg{width:22px;height:22px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.4px;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:2px;
  height:3px;
  border-radius:3px;
  background-image:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-menu a:hover{color:var(--text);}
.nav-menu a:hover::after,
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--text);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.search-toggle{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-toggle svg{
  width:18px;height:18px;
  fill:none;stroke:var(--text-2);stroke-width:2;stroke-linecap:round;
}
.search-toggle:hover{border-color:var(--primary-light);box-shadow:var(--sh);}
.search-bar{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:14px 0;
}
.search-bar.is-open{display:block;}
.search-bar form{display:flex;gap:12px;}
.search-bar input{
  flex:1;
  height:48px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-family:inherit;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-bar input::placeholder{color:var(--text-3);}
.search-bar input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(255,90,31,.12);
}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(120deg,rgba(23,18,31,.94) 0%,rgba(23,18,31,.78) 48%,rgba(255,90,31,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center 30%;
  color:#fff;
  padding:52px 0 64px;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.42),rgba(123,77,255,0) 68%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:#fff;}
.crumb span.dot{opacity:.5;}
.cat-label{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:1px;
  color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,5vw,44px);
  line-height:1.25;
  font-weight:700;
  max-width:760px;
  margin-bottom:18px;
}
.page-hero .lede{
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:660px;
  margin-bottom:28px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats .stat-pill{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  box-shadow:none;
}
.hero-stats .stat-pill b{color:#fff;}
.hero-stats .stat-pill span{color:rgba(255,255,255,.7);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  line-height:1.35;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:4px;
  background-image:var(--grad);
}
.section-head p{
  font-size:14px;
  color:var(--text-3);
  margin-top:8px;
  padding-left:16px;
}
.section-head .head-right{flex:0 0 auto;}

/* ---------- 步骤流 ---------- */
.step-flow{display:flex;flex-direction:column;gap:56px;}
.step-item{
  position:relative;
  padding-bottom:8px;
}
.step-item + .step-item{border-top:1px dashed var(--line);padding-top:56px;}
.step-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  order:1;
}
.step-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  object-position:center 35%;
  border-radius:var(--r-lg);
  transition:transform .22s var(--ease);
}
.step-item:hover .step-media img{transform:scale(1.04);}
.step-media .step-tag{
  position:absolute;
  left:16px;top:16px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  color:#fff;
  background:rgba(23,18,31,.62);
  backdrop-filter:blur(6px);
}
.step-body{order:2;}
.step-num{
  font-size:52px;
  line-height:1;
  font-weight:700;
  letter-spacing:-2px;
  color:rgba(255,90,31,.2);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
  display:block;
}
.step-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:12px;
}
.step-body p{
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:18px;
}
.step-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:18px;
}
.step-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--text);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.step-link:hover{
  color:var(--primary);
  border-color:var(--primary-light);
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
}

/* ---------- 要点速查 ---------- */
.quick-band{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px;
  box-shadow:var(--sh);
}
.quick-list{display:flex;flex-direction:column;}
.quick-row{
  display:grid;
  grid-template-columns:180px 1fr auto;
  gap:24px;
  align-items:center;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.quick-row:last-child{border-bottom:0;padding-bottom:0;}
.quick-row:first-child{padding-top:0;}
.quick-stage{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.quick-stage i{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--mint);
  flex:0 0 8px;
}
.quick-stage em{
  font-style:normal;
  font-size:12px;
  font-weight:500;
  color:var(--text-3);
}
.quick-desc{font-size:14px;line-height:1.8;color:var(--text-2);}
.quick-time{
  font-size:13px;
  font-weight:600;
  color:var(--primary-dark);
  background:var(--badge-warm);
  padding:4px 12px;
  border-radius:999px;
  white-space:nowrap;
}

/* ---------- 常见坑点 ---------- */
.trap-wrap{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.trap-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 28px;
  box-shadow:var(--sh);
}
.trap-list li{
  display:flex;
  gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.trap-list li:last-child{border-bottom:0;}
.trap-index{
  flex:0 0 34px;
  height:34px;
  border-radius:11px;
  background:var(--badge-warm);
  color:var(--primary-dark);
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.trap-list h3{
  font-size:16px;
  font-weight:600;
  margin-bottom:4px;
}
.trap-list p{font-size:14px;line-height:1.8;color:var(--text-2);}
.trap-side{
  background:var(--dark);
  color:var(--white-2);
  border-radius:var(--r-lg);
  padding:32px 28px;
  box-shadow:var(--sh-dark);
  position:sticky;
  top:96px;
}
.trap-side h3{
  font-size:18px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.trap-side p{font-size:14px;line-height:1.85;color:rgba(232,225,240,.78);margin-bottom:20px;}
.trap-side ul{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
.trap-side li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(232,225,240,.72);
  padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.trap-side li:last-child{border-bottom:0;padding-bottom:0;}
.trap-side li b{color:#fff;font-weight:600;font-variant-numeric:tabular-nums;}
.trap-side .btn-ghost{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.22);
  color:#fff;
}
.trap-side .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  overflow:hidden;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.faq-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.faq-q{
  width:100%;
  min-height:52px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-dot{
  width:10px;height:10px;
  flex:0 0 10px;
  border-radius:50%;
  background-image:var(--grad);
}
.faq-q span.q-text{flex:1;}
.faq-arrow{
  width:10px;height:10px;
  flex:0 0 10px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .25s var(--ease);
  margin-top:-4px;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);margin-top:4px;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 20px 18px 44px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-side{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh);
}
.faq-side h3{font-size:17px;font-weight:600;margin-bottom:12px;}
.faq-side p{font-size:14px;line-height:1.85;color:var(--text-2);margin-bottom:20px;}
.faq-side .side-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.faq-side .side-list a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:var(--badge-warm);
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.faq-side .side-list a:hover{background:#FFE4D6;color:var(--primary-dark);}
.faq-side .side-list a::after{content:"→";font-size:13px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:44px 40px;
  background-image:var(--grad);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 18px 44px rgba(255,61,110,.24);
}
.cta-band h2{
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;
  margin-bottom:10px;
  line-height:1.4;
}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-band .btn-ghost{
  background:rgba(255,255,255,.16);
  border-color:rgba(255,255,255,.34);
  color:#fff;
}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(232,225,240,.8);
  padding:72px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.footer-brand b{color:#fff;font-size:16px;font-weight:700;display:block;}
.footer-brand span{font-size:11px;color:rgba(232,225,240,.6);letter-spacing:.4px;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.site-footer p{line-height:1.85;color:rgba(232,225,240,.66);}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul li{color:rgba(232,225,240,.66);}
.site-footer ul a{color:rgba(232,225,240,.8);}
.site-footer ul a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  min-height:48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 0;
  font-size:12.5px;
  color:rgba(232,225,240,.55);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:#fff;
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(26,21,34,.08);
}
.mobile-tabbar .tab-inner{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  height:60px;
}
.mobile-tabbar a{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10px;
  color:var(--text-3);
}
.mobile-tabbar a svg{
  width:21px;height:21px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.mobile-tabbar a.is-active{color:var(--primary);font-weight:600;}
.mobile-tabbar a.is-active::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:26px;height:3px;
  border-radius:0 0 3px 3px;
  background-image:var(--grad);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .trap-wrap{grid-template-columns:1fr;}
  .trap-side{position:static;}
  .faq-layout{grid-template-columns:1fr;}
  .step-media{order:1;}
  .step-body{order:2;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .quick-row{grid-template-columns:150px 1fr auto;gap:16px;}
}
@media (max-width:767px){
  .page-hero{padding:38px 0 48px;}
  .page-hero .lede{font-size:15px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .quick-band{padding:24px 20px;}
  .quick-row{grid-template-columns:1fr;gap:8px;align-items:flex-start;}
  .quick-time{justify-self:flex-start;}
  .trap-list{padding:6px 20px;}
  .step-num{font-size:42px;}
  .faq-a p{padding-left:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  body{padding-bottom:76px;}
  .mobile-tabbar{display:block;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero-stats{gap:8px;}
  .hero-stats .stat-pill{padding:5px 12px;}
  .hero-stats .stat-pill b{font-size:17px;}
  .step-flow{gap:44px;}
  .step-item + .step-item{padding-top:44px;}
  .cta-band{padding:28px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (min-width:1024px){
  .step-item .grid-x{align-items:center;}
  .step-item .step-media{order:1;}
  .step-item .step-body{order:2;}
  .step-item:nth-child(even) .step-media{order:2;}
  .step-item:nth-child(even) .step-body{order:1;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E03E12;
  --brand-light:#FFB08A;
  --mint:#12D6A0;
  --violet:#7B4DFF;
  --bg:#FFF6EF;
  --card:#FFFFFF;
  --dark:#17121F;
  --line:#F0E4DA;
  --chip-warm:#FFF1E8;
  --chip-mint:#E9FBF5;
  --text:#1A1522;
  --text-2:#5B5568;
  --text-3:#8E8798;
  --inv:#FFFFFF;
  --inv-2:#E8E1F0;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --shadow:0 8px 24px rgba(26,21,34,.08);
  --shadow-hover:0 16px 40px rgba(255,90,31,.18);
  --shadow-dark:0 12px 32px rgba(0,0,0,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",system-ui,"PingFang SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:88px;
  --header-h:72px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{display:block;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:999px;
  padding:13px 26px;font-size:15px;font-weight:600;line-height:1;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background-position 260ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  background-color:transparent;color:var(--text);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:scale(.98) translateY(0);}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.btn-primary{
  background-image:var(--grad);background-size:180% 180%;background-position:0% 50%;
  color:#fff;box-shadow:0 8px 24px rgba(255,90,31,.24);
}
.btn-primary:hover{background-position:18% 50%;box-shadow:0 16px 40px rgba(255,90,31,.32);color:#fff;}
.btn-ghost{
  border:1px solid rgba(255,255,255,.42);color:#fff;background-color:rgba(255,255,255,.06);
}
.btn-ghost:hover{border-color:var(--brand-light);color:#fff;background-color:rgba(255,90,31,.22);}
.btn-line{
  border:1px solid var(--line);background-color:#fff;color:var(--text);
}
.btn-line:hover{border-color:var(--brand);color:var(--brand-dark);box-shadow:var(--shadow);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background-color:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:box-shadow 240ms var(--ease),border-color 240ms var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(26,21,34,.08);}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand:hover{color:inherit;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex-shrink:0;
  background-image:var(--grad);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,90,31,.28);
}
.brand-mark svg{width:22px;height:22px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--text-3);font-weight:400;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:999px;transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.nav-menu a:hover{color:var(--text);background-color:var(--chip-warm);}
.nav-menu a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:999px;background-image:var(--grad);
  transition:transform 220ms var(--ease);
}
.nav-menu a.is-active{color:var(--text);font-weight:600;}
.nav-menu a.is-active::after{transform:translateX(-50%) scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.search-toggle{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background-color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.search-toggle svg{width:18px;height:18px;fill:none;stroke:var(--text-2);stroke-width:1.8;stroke-linecap:round;}
.search-toggle:hover{border-color:var(--brand);box-shadow:var(--shadow);}
.search-toggle:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.search-bar{
  max-height:0;overflow:hidden;background-color:#fff;
  transition:max-height 280ms var(--ease);
}
.search-bar.is-open{max-height:120px;border-top:1px solid var(--line);}
.search-bar form{display:flex;gap:12px;padding:16px 0;}
.search-bar input{
  flex:1;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 16px;background-color:#fff;color:var(--text);
  transition:border-color 200ms var(--ease);
}
.search-bar input:focus{outline:none;border:2px solid var(--brand);}

/* ---------- 深色首屏 ---------- */
.events-hero{
  position:relative;color:#fff;
  background-color:var(--dark);
  padding:calc(var(--header-h) + 56px) 0 96px;
  overflow:hidden;
}
.events-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(23,18,31,.94) 0%,rgba(23,18,31,.78) 48%,rgba(123,77,255,.36) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center 32%;
  opacity:.96;
}
.events-hero > .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(232,225,240,.72);}
.crumbs a{color:rgba(232,225,240,.72);}
.crumbs a:hover{color:var(--brand-light);}
.crumbs span.sep{opacity:.5;}
.col-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.4px;
  background-color:rgba(255,90,31,.16);color:var(--brand-light);
  border:1px solid rgba(255,176,138,.34);
}
.col-tag i{width:6px;height:6px;border-radius:50%;background-color:var(--mint);display:block;}
.hero-grid{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:start;margin-top:26px;}
.events-hero h1{
  font-size:clamp(28px,5vw,44px);color:#fff;margin:18px 0 16px;font-weight:700;line-height:1.25;
  max-width:16em;
}
.events-hero h1 em{font-style:normal;color:var(--brand-light);}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(232,225,240,.82);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{font-size:12px;color:rgba(232,225,240,.6);margin-top:14px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-badge{
  display:flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background-color:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.hero-badge b{font-family:var(--font-num);font-size:22px;font-weight:700;color:#fff;line-height:1;}
.hero-badge span{font-size:12px;color:rgba(232,225,240,.7);}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:3/4;background-color:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--shadow-dark);
}
.hero-card img{width:100%;height:100%;object-fit:cover;object-position:center 30%;border-radius:0;}
.hero-card .veil{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(23,18,31,.08) 0%,rgba(23,18,31,.2) 45%,rgba(23,18,31,.9) 100%);
}
.hero-card .card-top{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.4;
}
.pill-warm{background-color:var(--chip-warm);color:var(--brand-dark);}
.pill-mint{background-color:var(--chip-mint);color:#0B9E77;}
.pill-violet{background-color:#F1ECFF;color:#5B33D6;}
.pill-dark{background-color:rgba(23,18,31,.68);color:#fff;border:1px solid rgba(255,255,255,.18);}
.hero-card .card-bottom{position:absolute;left:18px;right:18px;bottom:18px;color:#fff;}
.hero-card .card-bottom h3{color:#fff;font-size:17px;font-weight:600;margin-bottom:8px;}
.hero-card .card-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:rgba(232,225,240,.78);}
.hero-card .card-meta b{font-family:var(--font-num);color:#fff;font-size:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{display:flex;align-items:flex-start;gap:14px;}
.sec-title i{width:4px;align-self:stretch;min-height:34px;border-radius:999px;background-image:var(--grad);display:block;margin-top:4px;}
.sec-title h2{font-size:clamp(22px,3vw,30px);font-weight:700;}
.sec-title p{font-size:14px;color:var(--text-3);margin-top:6px;}
.sec-link{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.sec-link:hover{color:var(--brand);}
.sec-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;}

/* ---------- 时间轴布局 ---------- */
.timeline-wrap{background-color:var(--bg);}
.tl-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:999px;
  background-image:linear-gradient(180deg,#FF7A18 0%,#FF3D6E 45%,rgba(123,77,255,.35) 100%);
}
.tl-item{position:relative;margin-bottom:24px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:26px;width:12px;height:12px;border-radius:50%;
  background-color:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 4px rgba(255,90,31,.12);
}
.tl-item.is-done::before{border-color:var(--mint);box-shadow:0 0 0 4px rgba(18,214,160,.14);}
.tl-card{
  background-color:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-light);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;}
.date-chip{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  width:64px;height:56px;border-radius:var(--r-sm);flex-shrink:0;
  background-color:var(--chip-warm);color:var(--brand-dark);
}
.date-chip b{font-family:var(--font-num);font-size:20px;font-weight:700;line-height:1;}
.date-chip span{font-size:11px;color:var(--text-3);margin-top:3px;}
.tl-title{font-size:18px;font-weight:600;flex:1;min-width:180px;}
.tl-desc{font-size:14px;line-height:1.75;color:var(--text-2);}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;flex-wrap:wrap;}
.tl-facts{display:flex;flex-wrap:wrap;gap:10px;}
.fact{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  padding:4px 12px;border-radius:999px;background-color:#FAF5F0;border:1px solid var(--line);
}
.fact i{width:6px;height:6px;border-radius:50%;background-color:var(--brand);display:block;}
.fact.mint i{background-color:var(--mint);}
.fact.violet i{background-color:var(--violet);}
.link-quiet{font-size:13px;font-weight:600;color:var(--brand-dark);}
.link-quiet:hover{color:var(--brand);}

/* ---------- 右侧数据列 ---------- */
.side-col{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:20px;}
.side-panel{
  background-color:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);
}
.side-panel h3{font-size:16px;font-weight:600;margin-bottom:16px;}
.stat-list{display:flex;flex-direction:column;gap:14px;}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.stat-row .label{font-size:13px;color:var(--text-2);}
.stat-row .value{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--brand-dark);}
.stat-row .value.mint{color:#0B9E77;}
.stat-row .value.violet{color:#5B33D6;}
.stat-bar{height:6px;border-radius:999px;background-color:var(--line);overflow:hidden;margin-top:6px;}
.stat-bar i{display:block;height:100%;border-radius:999px;background-color:var(--brand);}
.stat-bar.mint i{background-color:var(--mint);}
.stat-bar.violet i{background-color:var(--violet);}
.side-cta{background-color:var(--dark);color:#fff;border-color:transparent;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(232,225,240,.76);margin-bottom:16px;}
.side-cta .btn{width:100%;}
.side-cta .btn + .btn{margin-top:10px;}

/* ---------- 节奏说明 ---------- */
.rhythm-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start;}
.rhythm-list{display:flex;flex-direction:column;gap:0;}
.rhythm-row{
  display:flex;gap:20px;padding:22px 0;border-bottom:1px dashed var(--line);
}
.rhythm-row:last-child{border-bottom:none;}
.rhythm-num{
  font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1;
  color:var(--brand-light);flex-shrink:0;width:48px;
}
.rhythm-row h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.rhythm-row p{font-size:14px;line-height:1.75;color:var(--text-2);}
.rhythm-aside{
  background-color:var(--dark);border-radius:var(--r-lg);padding:32px;color:#fff;
  box-shadow:var(--shadow-dark);
}
.rhythm-aside h3{color:#fff;font-size:19px;margin-bottom:14px;}
.rhythm-aside p{font-size:14px;line-height:1.8;color:rgba(232,225,240,.78);}
.rhythm-aside .mini-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.rhythm-aside .mini-list li{display:flex;gap:10px;font-size:14px;color:rgba(232,225,240,.9);}
.rhythm-aside .mini-list svg{width:16px;height:16px;flex-shrink:0;margin-top:5px;fill:none;stroke:var(--mint);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 卡片带 ---------- */
.rail{
  display:flex;gap:24px;overflow-x:auto;padding:6px 0 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background-color:var(--line);border-radius:999px;}
.rail-card{
  flex:0 0 auto;width:calc((100% - 72px)/3.4);
  min-width:230px;scroll-snap-align:start;
  background-color:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.rail-card .thumb{position:relative;aspect-ratio:3/4;overflow:hidden;}
.rail-card .thumb img{width:100%;height:100%;object-fit:cover;object-position:center 28%;border-radius:0;transition:transform 300ms var(--ease);}
.rail-card:hover .thumb img{transform:scale(1.04);}
.rail-card .thumb .veil{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(23,18,31,0) 42%,rgba(23,18,31,.82) 100%);
}
.rail-card .thumb .pill{position:absolute;top:12px;left:12px;}
.rail-card .thumb .dur{position:absolute;top:12px;right:12px;}
.rail-body{padding:16px 18px 18px;}
.rail-body h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.rail-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text-3);}
.rail-meta b{font-family:var(--font-num);color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background-color:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item.is-open{border-color:var(--brand-light);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;justify-content:space-between;
  min-height:52px;padding:14px 20px;background:none;border:none;cursor:pointer;text-align:left;
}
.faq-q .dot{width:10px;height:10px;border-radius:50%;background-image:var(--grad);flex-shrink:0;}
.faq-q span{flex:1;font-size:16px;font-weight:600;color:var(--text);}
.faq-q svg{width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:2;stroke-linecap:round;transition:transform 240ms var(--ease);}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);stroke:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease);}
.faq-a p{padding:0 20px 18px 42px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-aside{
  background-color:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);
}
.faq-aside h3{font-size:18px;margin-bottom:12px;}
.faq-aside p{font-size:14px;line-height:1.8;color:var(--text-2);}
.faq-aside .btn{margin-top:20px;width:100%;}
.faq-aside .aside-note{font-size:12px;color:var(--text-3);margin-top:12px;text-align:center;}

/* ---------- 转化条 ---------- */
.action-bar{
  background-image:var(--grad);border-radius:var(--r-lg);
  padding:32px 36px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 16px 40px rgba(255,90,31,.24);
}
.action-bar h3{color:#fff;font-size:22px;margin-bottom:8px;}
.action-bar p{font-size:14px;color:rgba(255,255,255,.86);}
.action-bar .acts{display:flex;gap:14px;flex-wrap:wrap;}
.action-bar .btn-white{background-color:#fff;color:var(--brand-dark);}
.action-bar .btn-white:hover{color:var(--brand-dark);box-shadow:0 16px 40px rgba(0,0,0,.18);}
.action-bar .btn-outline{border:1px solid rgba(255,255,255,.6);color:#fff;}
.action-bar .btn-outline:hover{background-color:rgba(255,255,255,.16);color:#fff;}
.action-bar .tip{width:100%;font-size:12px;color:rgba(255,255,255,.8);}

/* ---------- 页脚 ---------- */
.site-footer{background-color:var(--dark);color:var(--inv-2);padding:72px 0 0;margin-top:var(--space-section);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand b{display:block;font-size:16px;color:#fff;font-weight:700;line-height:1.3;}
.footer-brand span span{font-size:12px;color:rgba(232,225,240,.62);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(232,225,240,.68);}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.site-footer ul{display:flex;flex-direction:column;gap:12px;}
.site-footer ul li{font-size:14px;color:rgba(232,225,240,.72);}
.site-footer ul a{color:rgba(232,225,240,.8);}
.site-footer ul a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(232,225,240,.56);padding:14px 0;
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background-color:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  display:none;
}
.mobile-tab ul{display:flex;height:60px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  position:relative;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:10.5px;color:var(--text-3);
}
.mobile-tab a svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.is-active{color:var(--brand);font-weight:600;}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:999px;background-image:var(--grad);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--space-section:72px;}
  .container{padding:0 24px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-card{max-width:380px;aspect-ratio:4/5;margin:0 auto;}
  .tl-grid{grid-template-columns:1fr;gap:32px;}
  .side-col{position:static;}
  .rhythm-grid{grid-template-columns:1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rail-card{width:calc((100% - 48px)/2.2);}
  .mobile-tab{display:block;}
  .site-footer{padding-bottom:60px;}
  body{padding-bottom:0;}
}
@media screen and (min-width:1024px){
  .mobile-tab{display:none;}
}
@media screen and (max-width:639px){
  :root{--space-section:56px;}
  .container{padding:0 16px;}
  .brand-text span{display:none;}
  .brand-text b{font-size:15px;}
  .events-hero{padding:calc(var(--header-h) + 36px) 0 64px;}
  .events-hero h1{margin:14px 0 12px;max-width:none;}
  .hero-sub{font-size:15px;}
  .hero-badges{gap:10px;margin-top:24px;}
  .hero-badge{padding:6px 13px;}
  .hero-badge b{font-size:18px;}
  .hero-actions .btn{flex:1;min-width:140px;}
  .timeline{padding-left:22px;}
  .tl-item::before{left:-20px;top:24px;width:10px;height:10px;border-width:2px;}
  .tl-card{padding:18px 16px;}
  .tl-title{font-size:16px;}
  .date-chip{width:56px;height:52px;}
  .action-bar{padding:24px 20px;}
  .action-bar h3{font-size:19px;}
  .action-bar .acts{width:100%;}
  .action-bar .acts .btn{flex:1;min-width:130px;}
  .rail-card{width:78%;min-width:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .sec-head{margin-bottom:24px;}
}

/* roulang page: category3 */
:root{
  --orange:#FF5A1F;
  --orange-d:#E03E12;
  --orange-l:#FFB08A;
  --mint:#12D6A0;
  --violet:#7B4DFF;
  --bg:#FFF6EF;
  --card:#FFFFFF;
  --dark:#17121F;
  --line:#F0E4DA;
  --tint-orange:#FFF1E8;
  --tint-mint:#E9FBF5;
  --text:#1A1522;
  --text-2:#5B5568;
  --text-3:#8E8798;
  --white-2:#E8E1F0;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --sh:0 8px 24px rgba(26,21,34,.08);
  --sh-hover:0 16px 40px rgba(255,90,31,.18);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--orange);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--orange-d);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec) 0;}
.section-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{position:relative;font-size:clamp(22px,3.2vw,30px);line-height:1.3;font-weight:700;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:999px;background:var(--grad);}
.sec-desc{font-size:14px;color:var(--text-2);max-width:560px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--orange-d);background:var(--tint-orange);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,90,31,.28);background-size:150% 150%;}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);background-position:100% 0;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line);}
.btn-ghost:hover{color:var(--orange-d);border-color:var(--orange-l);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-ghost:active{transform:scale(.98);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.34);}
.btn-light:hover{color:#fff;background:rgba(255,255,255,.24);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-quiet{font-size:14px;font-weight:600;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.link-quiet::after{content:"→";transition:transform .22s var(--ease);}
.link-quiet:hover{color:var(--orange);}
.link-quiet:hover::after{transform:translateX(4px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(26,21,34,.07);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad);display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,31,.3);
}
.brand-mark svg{width:22px;height:22px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--text-3);font-weight:500;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;padding:10px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-menu a:hover{color:var(--orange-d);background:var(--tint-orange);}
.nav-menu a.is-active{color:var(--text);font-weight:600;}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.search-toggle{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-toggle svg{width:18px;height:18px;fill:none;stroke:var(--text-2);stroke-width:1.8;stroke-linecap:round;}
.search-toggle:hover{border-color:var(--orange-l);box-shadow:var(--sh);}
.search-bar{
  max-height:0;overflow:hidden;background:#fff;
  border-top:1px solid transparent;
  transition:max-height .3s var(--ease),border-color .3s var(--ease);
}
.search-bar.is-open{max-height:110px;border-top-color:var(--line);}
.search-bar form{display:flex;gap:12px;padding:16px 0;}
.search-bar input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:999px;padding:0 20px;background:var(--bg);
}
.search-bar input:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 3px rgba(255,90,31,.12);}

/* ============ Hero ============ */
.hero-cat3{
  position:relative;color:#fff;padding:52px 0 72px;overflow:hidden;
  background:var(--dark) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-cat3::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(23,18,31,.95) 0%,rgba(23,18,31,.82) 46%,rgba(255,61,110,.42) 100%);
}
.hero-cat3 .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{color:rgba(255,255,255,.5);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);}
.hero-cat3 h1{
  font-size:clamp(28px,5vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:18px;max-width:14em;
}
.hero-cat3 h1 em{font-style:normal;background:linear-gradient(120deg,#FFB08A,#FF5A1F);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:36em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:-16px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badge{
  display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.78);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 14px;
}
.hero-badge b{font-size:17px;font-weight:700;color:#fff;}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}

.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:9/16;box-shadow:var(--sh-dark);max-width:340px;margin-left:auto;
}
.hero-card img{width:100%;height:100%;object-fit:cover;object-position:center 22%;}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,18,31,.05) 30%,rgba(23,18,31,.86) 100%);
}
.hero-card .tag-corner{
  position:absolute;top:16px;left:16px;z-index:2;font-size:12px;font-weight:600;color:#fff;
  background:rgba(255,90,31,.92);border-radius:999px;padding:5px 12px;
}
.hero-card .time-corner{
  position:absolute;top:16px;right:16px;z-index:2;font-size:12px;color:#fff;
  background:rgba(23,18,31,.6);border-radius:999px;padding:5px 12px;
}
.hero-card .play-dot{
  position:absolute;z-index:2;left:50%;top:44%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.4);display:flex;align-items:center;justify-content:center;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.hero-card .play-dot svg{width:20px;height:20px;fill:#fff;margin-left:3px;}
.hero-card:hover .play-dot{background:var(--orange);transform:translate(-50%,-50%) scale(1.06);}
.hero-card .card-foot{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;}
.hero-card .card-foot h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:6px;}
.hero-card .card-foot p{font-size:12px;color:rgba(255,255,255,.72);}

/* ============ 数据徽章条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:-38px;position:relative;z-index:3;
}
.stat-pill{
  display:flex;align-items:center;gap:12px;background:#fff;border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh);border:1px solid rgba(240,228,218,.7);
}
.stat-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:0 0 8px;}
.stat-pill.mint .dot{background:var(--mint);}
.stat-pill.violet .dot{background:var(--violet);}
.stat-pill b{font-size:24px;font-weight:700;line-height:1;letter-spacing:-.01em;}
.stat-pill span{font-size:12px;color:var(--text-3);display:block;margin-top:2px;}
.stat-pill .stat-txt{display:flex;flex-direction:column;}

/* ============ Action Bar ============ */
.action-bar{
  border-radius:var(--r-lg);padding:30px 34px;color:#fff;
  background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:0 18px 44px rgba(255,61,110,.24);
}
.action-bar h2{font-size:clamp(19px,2.6vw,24px);font-weight:700;line-height:1.35;margin-bottom:6px;}
.action-bar p{font-size:14px;color:rgba(255,255,255,.86);}
.action-bar .ab-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.action-bar .ab-btn{background:#fff;color:var(--orange-d);}
.action-bar .ab-btn:hover{color:var(--orange-d);box-shadow:0 14px 30px rgba(0,0,0,.22);}
.action-bar .ab-sub{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);color:#fff;}
.action-bar .ab-sub:hover{color:#fff;background:rgba(255,255,255,.24);}
.ab-guarantee{font-size:12px;color:rgba(255,255,255,.78);margin-top:10px;}

/* ============ 礼包大卡 ============ */
.gift-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.gift-card{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
  display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  border:1px solid rgba(240,228,218,.7);
}
.gift-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.gift-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--tint-orange);}
.gift-cover img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .35s var(--ease);}
.gift-card:hover .gift-cover img{transform:scale(1.04);}
.gift-cover .float-tag{
  position:absolute;top:14px;left:14px;font-size:12px;font-weight:600;color:#fff;
  background:rgba(23,18,31,.72);backdrop-filter:blur(4px);border-radius:999px;padding:5px 12px;
}
.gift-cover .float-vol{
  position:absolute;bottom:14px;right:14px;font-size:12px;font-weight:600;color:var(--orange-d);
  background:rgba(255,255,255,.94);border-radius:999px;padding:5px 12px;
}
.gift-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.gift-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.gift-body .gift-desc{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:18px;}
.mini-stats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.mini-stat{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--orange-d);
  background:var(--tint-orange);border-radius:999px;padding:5px 12px;font-weight:500;
}
.mini-stat.mint{color:#0a8a68;background:var(--tint-mint);}
.mini-stat i{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;opacity:.7;}
.mini-stat b{font-weight:700;font-size:14px;}
.gift-actions{margin-top:auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ============ 下载流程 ============ */
.flow-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.flow-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh);}
.flow-visual img{width:100%;height:100%;object-fit:cover;object-position:center;}
.flow-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,18,31,0) 45%,rgba(23,18,31,.62) 100%);}
.flow-visual .flow-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:1;color:#fff;font-size:13px;}
.flow-steps{display:flex;flex-direction:column;gap:18px;}
.flow-step{display:flex;gap:16px;background:#fff;border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh);border:1px solid rgba(240,228,218,.7);}
.flow-step .step-no{
  flex:0 0 42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--orange-d);background:var(--tint-orange);
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.flow-step p{font-size:14px;color:var(--text-2);}

/* ============ 领取说明 ============ */
.rules-block{background:#fff;border-radius:var(--r-lg);padding:36px;box-shadow:var(--sh);border:1px solid rgba(240,228,218,.7);}
.rules-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 32px;margin-top:8px;}
.rule-item{display:flex;gap:12px;}
.rule-item .tick{
  flex:0 0 22px;height:22px;border-radius:50%;background:var(--tint-mint);display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.rule-item .tick svg{width:12px;height:12px;stroke:var(--mint);fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;}
.rule-item h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.rule-item p{font-size:14px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-sec .faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh);border:1px solid rgba(240,228,218,.7);overflow:hidden;}
.faq-q{
  width:100%;border:0;background:transparent;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:0 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .q-txt{display:flex;align-items:center;gap:12px;}
.faq-q .q-dot{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 8px;}
.faq-q .arrow{width:18px;height:18px;flex:0 0 18px;transition:transform .25s var(--ease);}
.faq-q .arrow svg{width:18px;height:18px;fill:none;stroke:var(--text-3);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{padding:0 22px 20px 42px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--white-2);padding:64px 0 0;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.site-footer p{font-size:13px;line-height:1.8;color:rgba(232,225,240,.66);}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul li{font-size:13px;color:rgba(232,225,240,.66);}
.site-footer a{color:rgba(232,225,240,.86);font-size:13px;}
.site-footer a:hover{color:var(--orange);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;}
.footer-brand b{display:block;color:#fff;font-size:15px;}
.footer-brand span span,.footer-brand > span > span{font-size:11px;color:rgba(232,225,240,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);min-height:48px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 0;font-size:12.5px;color:rgba(232,225,240,.55);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{display:none;}
.sticky-bar{display:none;}

@media (max-width:1023px){
  .container{padding:0 24px;}
  :root{--sec:72px;}
  .nav-menu{display:none;}
  .nav-actions .btn{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .gift-grid{grid-template-columns:1fr;}
  .flow-wrap{grid-template-columns:1fr;gap:28px;}
  .rules-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-card{max-width:100%;margin:32px auto 0;aspect-ratio:4/5;}
  .hero-cat3{padding-bottom:64px;}

  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    backdrop-filter:blur(12px);
  }
  .mobile-tab a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--text-3);position:relative;font-weight:500;
  }
  .mobile-tab a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .mobile-tab a.is-active{color:var(--orange);}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:28px;height:3px;border-radius:999px;background:var(--grad);
  }
  .sticky-bar{
    display:flex;align-items:center;gap:10px;
    position:fixed;left:0;right:0;bottom:calc(60px + env(safe-area-inset-bottom));z-index:79;
    height:64px;padding:0 16px;background:rgba(255,255,255,.98);
    border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(26,21,34,.08);
  }
  .sticky-bar.is-hidden{display:none;}
  .sticky-bar .sb-text{flex:1;min-width:0;}
  .sticky-bar .sb-text b{display:block;font-size:14px;font-weight:600;}
  .sticky-bar .sb-text span{font-size:11px;color:var(--text-3);}
  .sticky-bar .btn{padding:11px 18px;font-size:14px;}
  .sticky-bar .sb-close{
    flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-3);
    display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;
  }
  body{padding-bottom:calc(60px + 64px + env(safe-area-inset-bottom));}
  body.no-sticky{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
  body.no-sticky .sticky-bar{display:none;}
}

@media (max-width:639px){
  .container{padding:0 16px;}
  :root{--sec:56px;}
  .brand-text b{font-size:14px;}
  .brand-text span{font-size:10px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;}
  .nav-inner{height:64px;}
  .hero-cat3 h1{font-size:clamp(25px,7vw,32px);}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-pill{padding:14px 16px;gap:10px;}
  .stat-pill b{font-size:20px;}
  .action-bar{padding:24px 20px;gap:18px;}
  .action-bar .ab-actions{width:100%;}
  .action-bar .ab-actions .btn{flex:1 1 100%;}
  .gift-body{padding:20px 18px 22px;}
  .rules-block{padding:24px 20px;}
  .faq-q{font-size:15px;padding:0 16px;}
  .faq-a p{padding:0 16px 18px 36px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .flow-step{padding:16px;}
  .flow-step .step-no{flex:0 0 36px;height:36px;font-size:15px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#FF5A1F;
  --c-primary-dark:#E03E12;
  --c-primary-light:#FFB08A;
  --c-mint:#12D6A0;
  --c-purple:#7B4DFF;
  --bg:#FFF6EF;
  --card:#FFFFFF;
  --dark:#17121F;
  --line:#F0E4DA;
  --badge-warm:#FFF1E8;
  --badge-mint:#E9FBF5;
  --t1:#1A1522;
  --t2:#5B5568;
  --t3:#8E8798;
  --inv:#FFFFFF;
  --inv2:#E8E1F0;
  --grad:linear-gradient(135deg,#FF7A18 0%,#FF3D6E 55%,#7B4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-img:16px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(26,21,34,.08);
  --sh-hover:0 16px 40px rgba(255,90,31,.18);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-mint);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--t1)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--t1)}

/* Foundation 默认样式覆盖 */
a{color:var(--t1)}
a:hover,a:focus{color:var(--c-primary)}
.button,.btn{border-radius:var(--r-pill);box-shadow:none;background:var(--c-primary);color:#fff}
button:not(.faq-q):not(.search-toggle):not(.tab-item){border-radius:var(--r-pill)}
input[type="text"],input[type="search"],input[type="tel"],select,textarea{
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:none;
  margin:0;
}
input:focus,select:focus,textarea:focus{border-color:var(--c-primary);box-shadow:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(22px,3vw,28px)}
.section-head p{margin-top:10px;color:var(--t2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary-dark);
  background:var(--badge-warm);
  padding:5px 14px;border-radius:var(--r-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
.title-bar-line{display:flex;align-items:center;gap:14px}
.title-bar-line::before{content:"";width:4px;height:26px;border-radius:4px;background:var(--grad);flex:none}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;flex:none;border-radius:14px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,90,31,.28);
}
.brand-mark svg{width:24px;height:24px;fill:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.01em}
.brand-text span{font-size:12px;color:var(--t3);margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:26px}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 0;
}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:center;
  transition:transform .24s var(--ease);
}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--t1);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-toggle{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--badge-warm);transition:background .2s var(--ease)
}
.search-toggle svg{width:19px;height:19px;fill:none;stroke:var(--c-primary-dark);stroke-width:1.8;stroke-linecap:round}
.search-toggle:hover{background:var(--c-primary-light)}
.search-bar{display:none;border-top:1px solid var(--line);background:#fff}
.search-bar.is-open{display:block}
.search-bar form{display:flex;gap:12px;padding:16px 0}
.search-bar input{flex:1;height:48px;padding:0 16px}
.search-bar button{padding:0 24px;height:48px;font-weight:600}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:0 24px;height:48px;line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);color:#fff}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--t1);border:1px solid var(--line);box-shadow:var(--sh)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);color:var(--c-primary);border-color:var(--c-primary-light)}
.btn-ghost:active{transform:scale(.98)}
.btn-soft{background:var(--badge-warm);color:var(--c-primary-dark)}
.btn-soft:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-block{width:100%}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:18px}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:var(--line)}
.breadcrumb .cur{color:var(--t2);font-weight:500}

/* Hero */
.hero{padding:52px 0 0}
.hero-grid{display:flex;align-items:center;gap:48px}
.hero-copy{flex:1 1 0;min-width:0}
.hero-copy h1{font-size:clamp(28px,5vw,42px);font-weight:700;line-height:1.25;margin-top:16px}
.hero-copy .lead{margin-top:16px;font-size:16px;color:var(--t2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-note{margin-top:12px;font-size:13px;color:var(--t3)}
.hero-visual{flex:0 0 42%;max-width:460px;position:relative}
.hero-visual .frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh)}
.hero-visual .frame img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center 35%;border-radius:0}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(23,18,31,.82) 100%);
}
.hero-visual .float-tag{
  position:absolute;left:18px;top:18px;z-index:2;
  background:rgba(23,18,31,.62);color:#fff;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);backdrop-filter:blur(4px);
}
.hero-visual .float-info{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
}
.hero-visual .float-info b{display:block;font-size:17px;font-weight:600}
.hero-visual .float-info span{font-size:12px;color:var(--inv2)}

/* 数据徽章条 */
.stat-strip{
  margin-top:44px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);
}
.stat-item{display:flex;align-items:center;gap:12px}
.stat-dot{width:42px;height:42px;flex:none;border-radius:14px;display:flex;align-items:center;justify-content:center}
.stat-dot svg{width:20px;height:20px;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.stat-dot.warm{background:var(--badge-warm)}
.stat-dot.warm svg{stroke:var(--c-primary-dark)}
.stat-dot.mint{background:var(--badge-mint)}
.stat-dot.mint svg{stroke:#0E9E77}
.stat-num{font-family:var(--font-num);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.stat-label{font-size:12px;color:var(--t3);margin-top:2px}

/* 快速定位 */
.locate-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px}
.locate-card{
  border-radius:var(--r-lg);padding:28px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.locate-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.locate-card.primary{background:var(--dark);border-color:transparent;color:#fff}
.locate-card.primary h3{color:#fff}
.locate-card.primary p{color:var(--inv2)}
.locate-card h3{font-size:19px;font-weight:600}
.locate-card p{font-size:14px;color:var(--t2);flex:1}
.locate-card .link{font-size:14px;font-weight:600;color:var(--c-primary-dark)}
.locate-card.primary .link{color:var(--c-primary-light)}
.locate-card .link:hover{color:var(--c-primary)}

/* 布局：问答 + 表单 */
.help-layout{align-items:flex-start}
.faq-col{padding-right:8px}
.faq-group{margin-bottom:34px}
.faq-group-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.faq-group-head h3{font-size:18px;font-weight:600}
.faq-group-head .num{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--c-primary-dark);
  background:var(--badge-warm);padding:3px 10px;border-radius:var(--r-pill);
}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh)}
.faq-item.is-open{border-color:var(--c-primary-light);box-shadow:var(--sh-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;
  min-height:52px;padding:0 20px;text-align:left;
}
.faq-mark{width:8px;height:8px;flex:none;border-radius:50%;background:var(--grad)}
.faq-q-text{flex:1;font-size:16px;font-weight:600;color:var(--t1);line-height:1.5;padding:12px 0}
.faq-arrow{
  width:10px;height:10px;flex:none;border-right:2px solid var(--t3);border-bottom:2px solid var(--t3);
  transform:rotate(45deg);transition:transform .28s var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);border-color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;padding:0 20px;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 0 18px;font-size:15px;line-height:1.8;color:var(--t2)}

/* 表单 */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px;box-shadow:var(--sh);
  position:sticky;top:96px;
}
.form-card h3{font-size:19px;font-weight:600}
.form-card .form-sub{margin-top:8px;font-size:13px;color:var(--t3);line-height:1.7}
.form-row{margin-top:18px}
.form-row label{display:block;font-size:14px;color:var(--t2);margin-bottom:8px;font-weight:500}
.form-row input,.form-row select{width:100%;height:48px;padding:0 14px}
.form-row textarea{width:100%;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-tip{margin-top:14px;font-size:13px;color:var(--t3);min-height:20px}
.form-tip.is-ok{color:#0E9E77;font-weight:600}
.form-actions{margin-top:20px}
.form-note{margin-top:12px;font-size:12px;color:var(--t3);text-align:center}

/* 自查步骤 */
.steps-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:26px}
.step{position:relative;padding-top:18px;border-top:2px solid var(--line)}
.step::before{
  content:"";position:absolute;left:0;top:-2px;width:46px;height:2px;background:var(--grad);
}
.step-num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--c-primary);line-height:1}
.step h3{font-size:16px;font-weight:600;margin-top:10px}
.step p{font-size:14px;color:var(--t2);margin-top:8px}

/* 处理说明深色块 */
.dark-block{background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:44px;box-shadow:var(--sh-dark)}
.dark-block h2{color:#fff;font-size:clamp(20px,2.6vw,26px)}
.dark-block .sub{color:var(--inv2);font-size:14px;margin-top:10px;max-width:640px}
.dark-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.dark-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:22px}
.dark-item b{font-family:var(--font-num);font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;display:block}
.dark-item span{display:block;font-size:12px;color:var(--inv2);margin-top:4px}
.dark-item p{font-size:14px;color:var(--inv2);margin-top:12px;line-height:1.75}

/* CTA */
.cta-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh);
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(19px,2.4vw,24px)}
.cta-band p{font-size:14px;color:var(--t2);margin-top:8px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-note{font-size:12px;color:var(--t3);margin-top:10px;width:100%}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--inv2);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:700}
.footer-brand span{display:block;font-size:12px;color:var(--t3);margin-top:2px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.72)}
.site-footer ul li a{color:rgba(255,255,255,.8)}
.site-footer ul li a:hover{color:var(--c-primary)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  min-height:48px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--t3);padding:12px 0;
}

/* 移动底部 Tab */
.mobile-tab{display:none}
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab .tab-inner{display:flex}
.tab-item{
  flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:60px;font-size:10.5px;color:var(--t3);position:relative;
}
.tab-item svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--c-primary)}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:3px;background:var(--grad);
}
.tab-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}

/* 响应式 */
@media (max-width:1023.98px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .mobile-tab{display:block}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .hero-grid{flex-direction:column;align-items:stretch;gap:32px}
  .hero-visual{flex:none;max-width:100%}
  .hero-copy .lead{max-width:100%}
  .locate-grid{grid-template-columns:1fr 1fr}
  .locate-card.primary{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .dark-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .form-card{position:static;margin-top:28px}
  .faq-col{padding-right:0}
}
@media (max-width:639.98px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:40px 0}
  .nav-inner{min-height:64px}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand-mark svg{width:21px;height:21px}
  .brand-text b{font-size:15px}
  .brand-text span{display:none}
  .hero{padding:32px 0 0}
  .stat-strip{grid-template-columns:1fr 1fr;gap:14px;padding:18px;margin-top:32px}
  .stat-num{font-size:20px}
  .locate-grid{grid-template-columns:1fr}
  .locate-card.primary{grid-column:span 1}
  .steps{grid-template-columns:1fr;gap:18px}
  .steps-wrap{padding:22px}
  .dark-block{padding:26px}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .form-card{padding:20px}
  .hero-actions .btn{flex:1;min-width:140px}
  .faq-q{padding:0 14px;gap:10px}
  .faq-q-text{font-size:15px}
  .faq-a{padding:0 14px}
  .search-bar form{flex-direction:column}
  .search-bar button{width:100%}
}