/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --clay:#C4472A;
  --clay-dark:#A93A20;
  --clay-soft:#FBEDE8;
  --pine:#16332C;
  --pine-soft:#1F453A;
  --ivory:#F7F4EF;
  --white:#FFFFFF;
  --sand:#E9E1D6;
  --sand-soft:#F1ECE3;
  --ink:#3A3733;
  --ink-strong:#14161A;
  --muted:#6B6760;
  --amber:#D9822B;
  --r-card:18px;
  --r-img:14px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-card:0 1px 0 rgba(20,22,26,.04);
  --sh-hover:0 18px 40px -24px rgba(20,22,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--ivory);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-strong);letter-spacing:-.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:6px;}
::selection{background:var(--clay-soft);color:var(--clay-dark);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px;}
.section-title{font-size:clamp(1.65rem,2.6vw,2.4rem);font-weight:800;line-height:1.18;}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--clay);text-transform:uppercase;}
.rule{height:1px;background:var(--sand);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;white-space:nowrap;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-arrow{display:inline-block;transition:transform 220ms var(--ease);}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px -16px rgba(196,71,42,.9);}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px);}
.btn-primary:hover .btn-arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink-strong);border-color:var(--ink-strong);border-radius:12px;}
.btn-ghost:hover{background:var(--pine);border-color:var(--pine);color:var(--ivory);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:2px 0;color:var(--clay);font-weight:700;font-size:15px;border-bottom:1px solid transparent;transition:border-color 200ms var(--ease),gap 200ms var(--ease);}
.btn-text:hover{border-bottom-color:var(--clay);gap:10px;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);background:var(--clay-soft);color:var(--clay-dark);font-size:12px;font-weight:700;letter-spacing:.06em;}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:var(--sand);color:var(--ink);font-size:12px;letter-spacing:.02em;}

/* ============ 公告条 ============ */
.notice-bar{background:var(--pine);color:rgba(247,244,239,.92);font-size:13px;letter-spacing:.02em;}
.notice-inner{display:flex;align-items:center;justify-content:center;gap:16px;min-height:42px;position:relative;}
.notice-close{position:absolute;right:0;top:50%;transform:translateY(-50%);background:none;border:0;color:rgba(247,244,239,.7);font-size:18px;line-height:1;padding:6px 10px;border-radius:8px;transition:color 200ms var(--ease);}
.notice-close:hover{color:#fff;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:transparent;transition:background 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);border-bottom:1px solid transparent;}
.site-header.is-stuck{background:rgba(255,255,255,.96);backdrop-filter:saturate(160%) blur(8px);border-bottom-color:var(--sand);box-shadow:0 10px 30px -28px rgba(20,22,26,.6);}
.header-inner{display:flex;align-items:center;gap:32px;height:76px;transition:height 240ms var(--ease);}
.site-header.is-stuck .header-inner{height:66px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;width:32px;height:32px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-strong);}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;transition:color 200ms var(--ease);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:60%;background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform 180ms var(--ease);}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after{transform:scaleX(.6);opacity:.45;}
.nav-link.is-active{color:var(--ink-strong);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:8px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--sand);background:var(--white);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-strong);border-radius:2px;transition:transform 200ms var(--ease),opacity 200ms var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,26,.5);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:380px;background:var(--white);z-index:95;transform:translateX(100%);transition:transform 300ms var(--ease);display:flex;flex-direction:column;padding:22px 24px 28px;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--sand);background:var(--white);font-size:20px;line-height:1;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{font-size:18px;font-weight:700;color:var(--ink-strong);padding:16px 4px;border-bottom:1px solid var(--sand);}
.drawer-nav a.is-active{color:var(--clay);}
.drawer-cta{margin-top:20px;width:100%;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 96px;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(22,51,44,.05) 0 1px,transparent 1px 76px);pointer-events:none;}
.hero::after{content:"";position:absolute;right:-220px;top:-300px;width:720px;height:720px;border-radius:50%;border:1px solid rgba(196,71,42,.16);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-copy .badge{margin-bottom:24px;}
.hero h1{font-size:clamp(2.3rem,5.1vw,4.6rem);font-weight:900;line-height:1.06;letter-spacing:-.02em;color:var(--ink-strong);}
.hero-sub{margin-top:22px;font-size:19px;line-height:1.75;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:48px;padding-top:32px;border-top:1px solid var(--sand);}
.stat-num{font-family:"Times New Roman",Georgia,"Songti SC",serif;font-size:44px;font-weight:700;line-height:1;color:var(--ink-strong);letter-spacing:-.02em;}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;letter-spacing:0;font-family:inherit;}
.stat-label{margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.02em;}
.hero-media{position:relative;}
.hero-poster{position:relative;border-radius:var(--r-hero);overflow:hidden;aspect-ratio:9/16;background:var(--sand);box-shadow:0 30px 60px -40px rgba(20,22,26,.55);}
.hero-poster img{width:100%;height:100%;object-fit:cover;}
.hero-poster::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,26,0) 40%,rgba(20,22,26,.55) 100%);}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;border-radius:50%;background:rgba(247,244,239,.92);border:0;display:flex;align-items:center;justify-content:center;z-index:2;transition:transform 220ms var(--ease),background 220ms var(--ease);}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:#fff;}
.play-btn svg{margin-left:4px;}
.duration-badge{position:absolute;right:16px;bottom:16px;z-index:2;background:rgba(20,22,26,.72);color:#fff;font-size:13px;padding:5px 12px;border-radius:var(--r-pill);letter-spacing:.02em;}
.hero-caption{position:absolute;left:20px;bottom:18px;z-index:2;color:#F7F4EF;font-size:14px;font-weight:600;letter-spacing:.02em;}
.hero-mini{position:absolute;right:-18px;bottom:-48px;width:196px;background:var(--white);border:1px solid var(--sand);border-radius:16px;padding:10px;transform:rotate(-3deg);box-shadow:var(--sh-hover);}
.hero-mini img{aspect-ratio:16/10;width:100%;object-fit:cover;border-radius:10px;background:var(--sand);}
.hero-mini p{margin-top:8px;font-size:12px;line-height:1.5;color:var(--muted);}

/* ============ 横滑短片轨道 ============ */
.rail-wrap{position:relative;}
.rail{display:flex;gap:20px;overflow-x:auto;padding:8px 4px 26px;scroll-snap-type:x mandatory;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--sand);border-radius:99px;}
.clip-card{flex:0 0 220px;scroll-snap-align:start;transition:transform 220ms var(--ease);}
.clip-card:hover{transform:translateY(-3px);}
.clip-thumb{position:relative;aspect-ratio:9/16;border-radius:var(--r-img);overflow:hidden;background:var(--sand);border:1px solid var(--sand);}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.clip-card:hover .clip-thumb img{transform:scale(1.04);}
.clip-overlay{position:absolute;inset:0;background:rgba(22,51,44,0);display:flex;align-items:center;justify-content:center;transition:background 220ms var(--ease);}
.clip-card:hover .clip-overlay{background:rgba(22,51,44,.28);}
.clip-overlay svg{opacity:0;transition:opacity 220ms var(--ease);}
.clip-card:hover .clip-overlay svg{opacity:1;}
.clip-time,.clip-views{position:absolute;font-size:12px;padding:4px 10px;border-radius:var(--r-pill);color:#fff;letter-spacing:.02em;}
.clip-time{left:10px;top:10px;background:rgba(20,22,26,.62);}
.clip-views{right:10px;top:10px;background:rgba(196,71,42,.86);}
.clip-title{margin-top:14px;font-size:15px;font-weight:700;line-height:1.5;color:var(--ink-strong);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-desc{margin-top:4px;font-size:13px;color:var(--muted);}
.rail-nav{position:absolute;right:0;top:-72px;display:flex;gap:10px;}
.rail-nav button{width:44px;height:44px;border-radius:50%;border:1px solid var(--sand);background:var(--white);color:var(--ink-strong);display:flex;align-items:center;justify-content:center;transition:background 200ms var(--ease),color 200ms var(--ease),transform 200ms var(--ease);}
.rail-nav button:hover{background:var(--pine);color:var(--ivory);transform:translateY(-2px);}

/* ============ 榜单 ============ */
.rank-list{border-top:1px solid var(--sand);}
.rank-row{display:grid;grid-template-columns:66px 1fr 64px auto;align-items:center;gap:24px;min-height:88px;padding:16px 10px;border-bottom:1px solid var(--sand);transition:background 220ms var(--ease),transform 220ms var(--ease);}
.rank-row:hover{background:var(--white);transform:translateX(4px);}
.rank-no{font-family:"Times New Roman",Georgia,"Songti SC",serif;font-size:32px;font-weight:700;color:var(--sand);letter-spacing:-.03em;line-height:1;transition:color 220ms var(--ease);}
.rank-row:hover .rank-no{color:var(--clay);}
.rank-title{font-size:17px;font-weight:700;color:var(--ink-strong);}
.rank-desc{margin-top:2px;font-size:14px;color:var(--muted);}
.rank-thumb{width:64px;height:64px;border-radius:var(--r-img);overflow:hidden;background:var(--sand);}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}

/* ============ 口碑条 ============ */
.reviews{position:relative;padding:0 0 8px;}
.review-row{position:relative;overflow:hidden;margin-bottom:18px;}
.review-row::before,.review-row::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none;}
.review-row::before{left:0;background:linear-gradient(90deg,var(--ivory),rgba(247,244,239,0));}
.review-row::after{right:0;background:linear-gradient(270deg,var(--ivory),rgba(247,244,239,0));}
.review-track{display:flex;gap:16px;width:max-content;animation:marquee-left 44s linear infinite;}
.review-track.reverse{animation-name:marquee-right;}
.reviews.is-paused .review-track{animation-play-state:paused;}
@keyframes marquee-left{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@keyframes marquee-right{from{transform:translateX(-50%);}to{transform:translateX(0);}}
.review-card{flex:0 0 300px;display:flex;gap:12px;background:var(--white);border:1px solid var(--sand);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-card);}
.review-avatar{width:36px;height:36px;border-radius:50%;background:var(--clay-soft);color:var(--clay-dark);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0;}
.review-name{font-size:14px;font-weight:700;color:var(--ink-strong);}
.review-stars{font-size:12px;color:var(--amber);letter-spacing:.14em;}
.review-text{margin-top:6px;font-size:14px;line-height:1.7;color:var(--muted);}
.review-pause{display:inline-flex;align-items:center;gap:8px;margin-top:6px;background:none;border:1px solid var(--sand);border-radius:var(--r-pill);padding:8px 18px;font-size:13px;color:var(--muted);transition:color 200ms var(--ease),border-color 200ms var(--ease);}
.review-pause:hover{color:var(--clay);border-color:var(--clay);}

/* ============ CTA 色块 ============ */
.cta-block{position:relative;overflow:hidden;background:var(--pine);border-radius:24px;padding:56px 56px;color:#F7F4EF;display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center;}
.cta-block::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(247,244,239,.09) 1px,transparent 1px);background-size:18px 18px;pointer-events:none;}
.cta-copy{position:relative;}
.cta-copy h2{color:#fff;font-size:clamp(1.6rem,2.4vw,2.2rem);font-weight:800;line-height:1.25;}
.cta-copy p{margin-top:14px;font-size:16px;color:rgba(247,244,239,.75);max-width:520px;}
.cta-side{position:relative;display:flex;align-items:center;gap:24px;}
.qr-box{width:120px;height:120px;background:#fff;border-radius:14px;padding:10px;flex-shrink:0;}
.qr-inner{width:100%;height:100%;border-radius:6px;background-color:#fff;background-image:repeating-linear-gradient(0deg,rgba(20,22,26,.88) 0 5px,transparent 5px 10px),repeating-linear-gradient(90deg,rgba(20,22,26,.88) 0 5px,transparent 5px 10px);}
.qr-note{font-size:13px;color:rgba(247,244,239,.72);line-height:1.7;max-width:120px;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:start;}
.news-main{background:var(--white);border:1px solid var(--sand);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);display:block;}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.news-main-thumb{aspect-ratio:16/10;background:var(--sand);overflow:hidden;}
.news-main-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.news-main:hover .news-main-thumb img{transform:scale(1.04);}
.news-main-body{padding:26px 28px 30px;}
.news-main-title{margin-top:14px;font-size:22px;font-weight:800;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main-sum{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--muted);}
.news-list{border-top:1px solid var(--sand);}
.news-item{border-bottom:1px solid var(--sand);}
.news-item-link{display:block;padding:20px 8px;transition:background 200ms var(--ease),transform 200ms var(--ease);}
.news-item-link:hover{background:var(--white);transform:translateX(4px);}
.news-item-title{font-size:16px;font-weight:700;line-height:1.55;color:var(--ink-strong);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item-sum{margin-top:6px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--muted);}
.empty-state{grid-column:1 / -1;text-align:center;padding:64px 24px;border:1px dashed var(--sand);border-radius:var(--r-card);background:var(--white);}
.empty-state svg{margin:0 auto 18px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--sand);max-width:900px;}
.faq-item{border-bottom:1px solid var(--sand);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;min-height:64px;padding:10px 4px;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--ink-strong);}
.faq-q:hover{color:var(--clay);}
.faq-plus{flex-shrink:0;width:26px;height:26px;position:relative;transition:transform 240ms var(--ease);}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--clay);border-radius:2px;}
.faq-plus::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-plus::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
.faq-a-inner{margin:0 4px 22px;padding:18px 22px;background:var(--sand-soft);border-radius:14px;font-size:16px;line-height:1.9;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{background:var(--pine);color:rgba(247,244,239,.72);margin-top:104px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:72px 0 56px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#F7F4EF;font-size:18px;font-weight:800;}
.footer-intro{margin-top:18px;font-size:14px;line-height:1.85;max-width:300px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(247,244,239,.24);display:flex;align-items:center;justify-content:center;color:rgba(247,244,239,.8);transition:background 200ms var(--ease),color 200ms var(--ease),transform 200ms var(--ease);}
.footer-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;transform:translateY(-2px);}
.footer-title{font-size:14px;font-weight:700;color:#F7F4EF;letter-spacing:.06em;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;transition:color 200ms var(--ease),transform 200ms var(--ease);display:inline-block;}
.footer-links a:hover{color:#F7F4EF;transform:translateX(2px);}
.footer-contact li{font-size:14px;margin-bottom:12px;line-height:1.7;}
.footer-contact a:hover{color:#F7F4EF;}
.footer-qr{width:120px;height:120px;background:#fff;border-radius:12px;padding:9px;margin-top:16px;}
.footer-qr .qr-inner{background-image:repeating-linear-gradient(0deg,rgba(20,22,26,.85) 0 5px,transparent 5px 10px),repeating-linear-gradient(90deg,rgba(20,22,26,.85) 0 5px,transparent 5px 10px);}
.footer-bottom{border-top:1px solid rgba(247,244,239,.16);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .review-track{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero-grid{gap:40px;}
  .news-grid{gap:36px;}
}
@media (max-width:1023px){
  .section{padding:76px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .hero{padding:52px 0 80px;}
  .hero-grid{grid-template-columns:1fr;gap:56px;}
  .hero-media{max-width:460px;margin:0 auto;width:100%;}
  .hero-mini{right:-8px;bottom:-40px;width:170px;}
  .news-grid{grid-template-columns:1fr;}
  .cta-block{grid-template-columns:1fr;padding:44px 36px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 44px;}
  .rail-nav{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  .notice-bar{font-size:12px;}
  .notice-inner{justify-content:flex-start;padding-right:36px;}
  .hero{padding:40px 0 64px;}
  .hero h1{font-size:clamp(2rem,8vw,2.6rem);}
  .hero-sub{font-size:17px;}
  .hero-stats{gap:28px;padding-top:26px;margin-top:34px;}
  .stat-num{font-size:34px;}
  .hero-mini{position:static;width:100%;transform:none;margin-top:16px;box-shadow:var(--sh-card);}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .rail{scroll-snap-type:x mandatory;}
  .clip-card{flex:0 0 78vw;max-width:300px;}
  .rank-row{grid-template-columns:44px 1fr auto;gap:14px;padding:16px 6px;}
  .rank-thumb{width:52px;height:52px;}
  .rank-row .btn{display:none;}
  .rank-no{font-size:24px;}
  .review-card{flex:0 0 78vw;max-width:300px;}
  .cta-side{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .news-main-body{padding:20px 20px 24px;}
  .faq-q{font-size:16px;}
}
@media (max-width:480px){
  .brand-text{font-size:17px;}
  .hero-actions .btn{width:100%;}
  .play-btn{width:60px;height:60px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --clay:#C4472A;
  --clay-dark:#A93A20;
  --clay-soft:#FBEDE8;
  --pine:#16332C;
  --pine-soft:#1E4239;
  --ivory:#F7F4EF;
  --white:#FFFFFF;
  --sand:#E9E1D6;
  --ink:#3A3733;
  --ink-strong:#14161A;
  --muted:#6B6760;
  --amber:#D9822B;
  --r-card:18px;
  --r-img:14px;
  --r-hero:20px;
  --shadow-1:0 1px 0 rgba(20,22,26,.04);
  --shadow-2:0 18px 40px -24px rgba(20,22,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-space:clamp(56px,7vw,104px);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--header-h);
  background:var(--ivory);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-strong);line-height:1.15}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--pine);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{background:rgba(255,255,255,.96);border-bottom-color:var(--sand);box-shadow:0 6px 24px -20px rgba(20,22,26,.5);backdrop-filter:saturate(140%) blur(6px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h);transition:height .25s var(--ease)}
.site-header.is-stuck .header-inner{height:66px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;color:var(--ink-strong);letter-spacing:.01em}
.brand-mark{display:inline-flex;width:32px;height:32px;flex:0 0 32px}
.brand-text{font-size:19px;letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--muted);padding:6px 0}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--clay);border-radius:2px;transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--clay)}
.nav-link:hover::after{width:40%;background:var(--clay-soft)}
.nav-link.is-active{color:var(--ink-strong)}
.nav-link.is-active::after{width:60%;background:var(--clay)}
.header-actions{display:flex;align-items:center;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 28px;border-radius:999px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  border:1px solid transparent;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 12px 26px -18px rgba(196,71,42,.9)}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink-strong);border-color:var(--sand)}
.btn-ghost:hover{background:var(--pine);color:var(--ivory);border-color:var(--pine)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-arrow{transition:transform .22s var(--ease);display:inline-block}
.btn:hover .btn-arrow{transform:translateX(4px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--clay);font-size:15px}
.link-arrow:hover{color:var(--clay-dark);gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--sand);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-strong);border-radius:2px;transition:transform .22s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(20,22,26,.5);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:90}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;z-index:95;
  transform:translateX(105%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:26px 24px;gap:6px;
  box-shadow:-20px 0 50px -30px rgba(20,22,26,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--sand);font-size:18px;line-height:1;color:var(--ink-strong)}
.drawer a.drawer-link{font-size:18px;font-weight:700;color:var(--ink-strong);padding:16px 4px;border-bottom:1px solid var(--sand)}
.drawer a.drawer-link.is-active{color:var(--clay)}
.drawer-foot{margin-top:auto;padding-top:20px}
.drawer-foot .btn{width:100%}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.02em;padding:28px 0 22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--clay)}
.breadcrumb .sep{color:var(--sand);font-weight:700}
.breadcrumb .current{color:var(--muted);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article ---------- */
.article-wrap{position:relative;padding-bottom:var(--sec-space)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);max-width:820px;margin:0 auto}
.article-head{padding-bottom:26px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:var(--clay-soft);color:var(--clay-dark);font-size:12px;font-weight:700;letter-spacing:.06em}
.badge-sand{background:var(--sand);color:var(--ink);letter-spacing:.04em}
.article-head h1{margin:18px 0 16px;font-size:clamp(28px,4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.16;max-width:820px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:14px;letter-spacing:.02em}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--sand)}
.rule{height:1px;background:var(--sand);border:0;margin:0 0 40px}
.article-body{font-size:17.5px;line-height:1.9;color:var(--ink);max-width:720px;margin:0 auto}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:27px;font-weight:800;letter-spacing:-.01em;margin:2.1em 0 .8em;padding-left:16px;border-left:4px solid var(--clay);line-height:1.35}
.article-body h3{font-size:21px;font-weight:700;margin:1.7em 0 .6em;line-height:1.4}
.article-body h4{font-size:18px;font-weight:700;margin:1.4em 0 .5em}
.article-body a{color:var(--clay-dark);border-bottom:1px solid rgba(196,71,42,.35)}
.article-body a:hover{color:var(--clay);border-bottom-color:var(--clay)}
.article-body strong{font-weight:700;color:var(--ink-strong)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;background:var(--clay);border-radius:2px}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:item}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:.1em;font-weight:800;color:var(--clay);font-size:15px}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;border-left:4px solid var(--clay);
  background:var(--clay-soft);border-radius:0 var(--r-img) var(--r-img) 0;
  font-style:italic;color:#5A534C;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--r-img);margin:26px auto;background:var(--sand)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;letter-spacing:.02em}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--sand);padding:10px 14px;text-align:left}
.article-body th{background:#fff;font-weight:700;color:var(--ink-strong)}
.article-body pre{background:#fff;border:1px solid var(--sand);border-radius:var(--r-img);padding:18px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{background:rgba(233,225,214,.7);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;height:1px;background:var(--sand);margin:2.4em 0}

.toc-rail{display:none}
@media (min-width:1280px){
  .toc-rail{
    display:block;position:absolute;left:50%;top:220px;bottom:120px;
    width:1px;margin-left:-470px;background:repeating-linear-gradient(to bottom,var(--sand) 0 6px,transparent 6px 12px);
  }
  .toc-rail::after{content:"";position:absolute;left:-3.5px;top:88px;width:8px;height:8px;border-radius:50%;background:var(--clay)}
}

.article-foot{max-width:720px;margin:48px auto 0;padding-top:28px;border-top:1px solid var(--sand)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tag{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;background:var(--sand);color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.02em;transition:background .2s var(--ease),color .2s var(--ease)}
.tag:hover{background:var(--clay-soft);color:var(--clay-dark)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.share-list{display:flex;align-items:center;gap:10px}
.share-list span{font-size:13px;color:var(--muted);letter-spacing:.02em}
.icon-btn{width:42px;height:42px;border-radius:12px;border:1px solid var(--sand);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.icon-btn:hover{color:var(--clay);border-color:var(--clay);transform:translateY(-2px)}

/* ---------- empty state ---------- */
.empty-state{border:1px dashed var(--sand);border-radius:var(--r-card);background:#fff;padding:52px 28px;text-align:center;max-width:720px;margin:0 auto}
.empty-state svg{margin:0 auto 18px;color:var(--clay)}
.empty-state p{color:var(--muted);margin:0 0 22px}

/* ---------- related ---------- */
.related{background:var(--white);border-top:1px solid var(--sand);border-bottom:1px solid var(--sand);padding:var(--sec-space) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--clay);text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em}
.section-head p{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:52ch}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--sand);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DED4C6}
.card-media{aspect-ratio:16/10;background:var(--sand);overflow:hidden}
.card-media img{width:100%;height:100%;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.45}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.card-foot .cat{background:var(--sand);color:var(--ink);padding:5px 12px;border-radius:999px;font-weight:600}

/* ---------- cta ---------- */
.cta-band{padding:var(--sec-space) 0}
.cta-inner{
  background:var(--pine);border-radius:24px;padding:clamp(32px,5vw,56px);
  display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;color:var(--ivory);
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,71,42,.35),rgba(196,71,42,0) 70%);
}
.cta-inner h2{color:#fff;font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.cta-inner p{color:rgba(247,244,239,.78);margin:14px 0 0;max-width:46ch;font-size:15.5px}
.cta-right{display:flex;flex-direction:column;align-items:flex-start;gap:18px;position:relative;z-index:1}
.qr-box{width:120px;height:120px;border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--pine);font-size:12px;font-weight:700;letter-spacing:.06em;text-align:center;line-height:1.5;padding:10px}
.qr-box svg{color:var(--pine)}

/* ---------- footer ---------- */
.site-footer{background:var(--pine);color:rgba(247,244,239,.72);padding:72px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:52px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.footer-intro{color:rgba(247,244,239,.66);font-size:14px;line-height:1.8;max-width:34ch;margin:0 0 20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(247,244,239,.22);display:inline-flex;align-items:center;justify-content:center;color:rgba(247,244,239,.8)}
.footer-social a:hover{color:#fff;border-color:rgba(247,244,239,.55);transform:translateY(-2px)}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:12px}
.footer-links a{color:rgba(247,244,239,.72);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:var(--ivory);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;color:rgba(247,244,239,.72);line-height:1.7}
.footer-contact strong{color:rgba(247,244,239,.5);font-weight:600;flex:0 0 38px}
.footer-contact a:hover{color:#fff}
.footer-qr{margin-top:18px;width:120px;height:120px;border-radius:16px;background:#fff;color:var(--pine);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;font-weight:700;line-height:1.5;padding:10px}
.footer-bottom{border-top:1px solid rgba(247,244,239,.16);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(247,244,239,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- animation ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr}
  .cta-right{flex-direction:row;align-items:center;gap:22px;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--header-h:64px}
  body{font-size:16.5px}
  .container{padding:0 20px}
  .brand-text{font-size:17px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .card-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .breadcrumb{padding:20px 0 16px}
  .breadcrumb .current{white-space:normal;max-width:100%}
}
@media (max-width:480px){
  .btn{padding:13px 22px;width:100%}
  .share-row{flex-direction:column;align-items:flex-start}
  .cta-right{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --clay:#C4472A;
  --clay-dark:#A93A20;
  --clay-soft:#FBEDE8;
  --green:#16332C;
  --green-soft:#E6EFE9;
  --ivory:#F7F4EF;
  --white:#FFFFFF;
  --sand:#E9E1D6;
  --sand-soft:#F3EEE6;
  --text:#3A3733;
  --title:#14161A;
  --muted:#6B6760;
  --accent:#D9822B;
  --r-card:18px;
  --r-img:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 0 rgba(20,22,26,.04);
  --shadow-2:0 18px 40px -24px rgba(20,22,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --serif:Georgia,"Times New Roman","Songti SC",serif;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ivory);
  color:var(--text);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}
::selection{background:var(--clay-soft);color:var(--clay-dark)}

.container{max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:transparent;
  transition:background .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--sand);
  box-shadow:0 10px 30px -26px rgba(20,22,26,.4);
  backdrop-filter:saturate(160%) blur(8px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .26s var(--ease)}
.site-header.is-scrolled .header-inner{height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{display:inline-flex;flex:none}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--title)}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:60%;height:2px;
  background:var(--clay);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
  opacity:1;
}
.nav-link:hover{color:var(--clay)}
.nav-link:hover::after{transform:scaleX(1);opacity:.32}
.nav-link.is-active{color:var(--title)}
.nav-link.is-active::after{transform:scaleX(1);opacity:1}
.header-actions{display:flex;align-items:center;gap:14px;flex:none}
.nav-drawer-cta{display:none}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--sand);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--title);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
body.nav-open::after{
  content:"";position:fixed;inset:0;background:rgba(20,22,26,.5);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:90;
}
body.nav-open{overflow:hidden}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  padding:14px 28px;font-size:15px;font-weight:700;line-height:1.2;
  cursor:pointer;transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-arrow{display:inline-block;transition:transform .22s var(--ease)}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px)}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--title);color:var(--title);border-radius:var(--r-sm)}
.btn-outline:hover{background:var(--green);border-color:var(--green);color:var(--ivory)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%;border-radius:var(--r-sm)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--clay);
  border-bottom:1px solid transparent;transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.link-arrow:hover{border-bottom-color:var(--clay);gap:10px}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--clay-soft);color:var(--clay-dark);
  border-radius:var(--r-pill);padding:6px 14px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.tag{
  display:inline-flex;align-items:center;
  background:var(--sand-soft);color:var(--text);
  border:1px solid var(--sand);
  border-radius:var(--r-pill);padding:4px 12px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag--clay{background:var(--clay-soft);border-color:#F3D6CC;color:var(--clay-dark)}

/* ============ Hero ============ */
.hero{position:relative;padding:146px 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-180px;top:60px;width:520px;height:520px;border-radius:50%;
  border:1px solid var(--sand);opacity:.75;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(196,71,42,.09),transparent 68%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero-title{
  font-size:clamp(38px,5.2vw,66px);font-weight:900;letter-spacing:-.02em;line-height:1.06;
  color:var(--title);margin:18px 0 0;
}
.hero-lead{font-size:17px;color:var(--muted);margin-top:18px;max-width:520px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--sand);
}
.stat-num{font-family:var(--serif);font-size:38px;font-weight:700;line-height:1;color:var(--green);letter-spacing:-.02em}
.stat-num em{font-family:var(--sans);font-size:14px;font-style:normal;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.02em}
.hero-media{position:relative}
.hero-figure{
  position:relative;border-radius:20px;overflow:hidden;background:var(--sand);
  aspect-ratio:4/3;box-shadow:0 30px 60px -40px rgba(20,22,26,.45);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;right:-14px;bottom:26px;background:#fff;border:1px solid var(--sand);
  border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--shadow-2);
  transform:rotate(-3deg);max-width:220px;
}
.hero-float b{display:block;font-family:var(--serif);font-size:24px;color:var(--clay);line-height:1}
.hero-float span{display:block;font-size:12px;color:var(--muted);margin-top:6px;letter-spacing:.02em}
.hero-rule{height:1px;background:var(--sand);margin-top:64px}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--clay);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--clay);border-radius:2px}
.section-title{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--title);margin-top:14px}
.section-desc{font-size:15px;color:var(--muted);max-width:560px;margin-top:12px;line-height:1.8}

/* ============ 运力列表 ============ */
.cap-list{border-top:1px solid var(--sand)}
.cap-row{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:24px;align-items:center;
  padding:26px 20px;border-bottom:1px solid var(--sand);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.cap-row:hover{background:#fff;transform:translateX(4px)}
.cap-num{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--clay);letter-spacing:.02em}
.cap-title{font-size:19px;font-weight:700;color:var(--title);line-height:1.4}
.cap-text{font-size:15px;color:var(--muted);margin-top:6px;line-height:1.75}
.cap-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* ============ 竖屏卡网格 + 侧栏榜单 ============ */
.showcase{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:32px;align-items:start}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.v-card{
  background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.v-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DFD4C4}
.v-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--sand)}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.v-card:hover .v-thumb img{transform:scale(1.04)}
.v-thumb .tag{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.92);border-color:transparent;color:var(--title)}
.v-body{padding:14px 16px 18px}
.v-title{
  font-size:15px;font-weight:700;color:var(--title);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px;
}
.v-desc{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.65}

.rank-panel{
  position:sticky;top:96px;background:#fff;border:1px solid var(--sand);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.rank-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--sand)}
.rank-head h3{font-size:17px;font-weight:800;color:var(--title)}
.rank-head span{font-size:12px;color:var(--muted);letter-spacing:.04em}
.rank-item{display:grid;grid-template-columns:26px 52px minmax(0,1fr);gap:12px;align-items:center;padding:14px 0;border-bottom:1px dashed var(--sand)}
.rank-item:last-child{border-bottom:0;padding-bottom:0}
.rank-num{font-family:var(--serif);font-size:17px;font-weight:700;color:var(--clay)}
.rank-thumb{width:52px;height:52px;border-radius:var(--r-sm);object-fit:cover;background:var(--sand)}
.rank-title{font-size:14px;font-weight:700;color:var(--title);line-height:1.4}
.rank-meta{font-size:12px;color:var(--muted);margin-top:4px}
.rank-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--sand)}

/* ============ 适用场景 ============ */
.scene{display:grid;grid-template-columns:330px minmax(0,1fr);gap:56px;align-items:start}
.scene-intro{position:sticky;top:96px}
.scene-list{border-top:1px solid var(--sand)}
.scene-item{display:flex;gap:20px;padding:24px 4px;border-bottom:1px solid var(--sand);transition:background .22s var(--ease),padding-left .22s var(--ease)}
.scene-item:hover{background:#fff;padding-left:12px}
.scene-icon{
  flex:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--green-soft);color:var(--green);display:grid;place-items:center;
}
.scene-item:nth-child(even) .scene-icon{background:var(--clay-soft);color:var(--clay)}
.scene-body h3{font-size:18px;font-weight:700;color:var(--title);line-height:1.4}
.scene-body p{font-size:15px;color:var(--muted);margin-top:6px;line-height:1.75}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0}
.step{position:relative;padding-right:24px}
.step::before{content:"";position:absolute;left:46px;right:0;top:22px;height:1px;background:var(--sand)}
.step:last-child::before{display:none}
.step-dot{
  position:relative;z-index:1;width:46px;height:46px;border-radius:50%;
  background:#fff;border:2px solid var(--clay);color:var(--clay);
  display:grid;place-items:center;font-family:var(--serif);font-size:16px;font-weight:700;
}
.step h3{font-size:16px;font-weight:700;color:var(--title);margin-top:18px}
.step p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:300px minmax(0,1fr);gap:56px;align-items:start}
.faq-list{border-top:1px solid var(--sand)}
.faq-item{border-bottom:1px solid var(--sand)}
.faq-q{
  width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--title);line-height:1.5;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--clay)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--sand);
  display:grid;place-items:center;color:var(--clay);
  transition:transform .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--clay-soft);border-color:#F3D6CC}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-body{overflow:hidden;min-height:0}
.faq-a-inner{
  background:var(--sand-soft);border-radius:var(--r-img);
  padding:18px 20px;margin:4px 0 20px;
  font-size:16px;line-height:1.9;color:var(--text);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--green);color:var(--ivory);
  border-radius:24px;padding:56px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(196,71,42,.28);filter:blur(10px);
}
.cta-band h2{position:relative;font-size:clamp(24px,2.8vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.cta-band p{position:relative;font-size:15px;color:rgba(247,244,239,.76);margin-top:14px;max-width:520px;line-height:1.8}
.cta-side{position:relative;display:flex;align-items:center;gap:28px}
.qr-box{
  width:120px;height:120px;border-radius:16px;background:#fff;flex:none;
  display:grid;place-items:center;padding:10px;
}
.qr-box svg{width:100%;height:100%}
.cta-note{font-size:12px;color:rgba(247,244,239,.66);letter-spacing:.04em;margin-top:10px;text-align:center}

/* ============ 底部入口 ============ */
.page-exits{
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  padding-top:56px;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--green);color:rgba(247,244,239,.72);padding:76px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ivory);font-size:18px;font-weight:800;letter-spacing:-.02em}
.footer-intro{font-size:14px;line-height:1.85;color:rgba(247,244,239,.68);margin-top:16px;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-sm);border:1px solid rgba(247,244,239,.22);
  display:grid;place-items:center;color:rgba(247,244,239,.8);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.footer-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:800;color:var(--ivory);letter-spacing:.04em;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(247,244,239,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-links a:hover{color:var(--ivory);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:rgba(247,244,239,.72);margin-bottom:12px;line-height:1.7}
.footer-contact b{color:var(--ivory);font-weight:700}
.footer-qr{
  width:120px;height:120px;border-radius:16px;background:#fff;margin-top:18px;
  display:grid;place-items:center;padding:10px;
}
.footer-qr svg{width:100%;height:100%}
.footer-bottom{
  margin-top:60px;border-top:1px solid rgba(247,244,239,.16);
  padding:24px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,239,.58);letter-spacing:.02em;
}

/* ============ 动效 ============ */
.js [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js [data-reveal].is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .showcase{grid-template-columns:minmax(0,1fr) 268px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:400px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:96px 28px 28px;transform:translateX(102%);
    transition:transform .3s var(--ease);z-index:110;
    box-shadow:-24px 0 60px -30px rgba(20,22,26,.5);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{font-size:18px;width:100%;padding:16px 0;border-bottom:1px solid var(--sand)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--clay)}
  .nav-drawer-cta{
    display:flex;align-items:center;justify-content:center;gap:8px;
    margin-top:auto;background:var(--clay);color:#fff;
    border-radius:var(--r-sm);padding:16px;font-size:16px;font-weight:700;
  }
  .nav-toggle{display:flex}
  .hero{padding-top:120px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{max-width:560px}
  .hero::before{width:380px;height:380px;right:-160px}
  .showcase{grid-template-columns:1fr;gap:40px}
  .rank-panel{position:static}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .scene{grid-template-columns:1fr;gap:32px}
  .scene-intro{position:static}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 0 66px;margin-bottom:28px}
  .step::before{left:22px;right:auto;top:46px;bottom:-28px;width:1px;height:auto}
  .step:last-child{margin-bottom:0}
  .step:last-child::before{display:none}
  .step-dot{position:absolute;left:0;top:0}
  .step h3{margin-top:0}
  .cta-band{padding:40px;grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr;gap:36px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 20px}
  body{font-size:16px}
  .hero{padding-top:104px}
  .hero-title{font-size:clamp(32px,8.6vw,42px)}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px}
  .hero-float{display:none}
  .hero-rule{margin-top:44px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .v-title{font-size:14px}
  .cap-row{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:20px 12px}
  .cap-tags{grid-column:1 / -1;justify-content:flex-start;margin-top:8px}
  .cta-band{padding:28px;border-radius:20px}
  .cta-side{flex-direction:column;align-items:flex-start;gap:18px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .scene-item{padding:20px 4px}
}
@media (max-width:480px){
  .header-actions .btn{display:none}
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .v-body{padding:12px 12px 14px}
  .stat-num{font-size:31px}
}

/* roulang page: category2 */
:root{
  --clay:#C4472A;
  --clay-dark:#A93A20;
  --clay-light:#FBEDE8;
  --pine:#16332C;
  --pine-soft:#1E443B;
  --ivory:#F7F4EF;
  --white:#FFFFFF;
  --sand:#E9E1D6;
  --sand-soft:#F1EBE1;
  --ink:#3A3733;
  --ink-strong:#14161A;
  --muted:#6B6760;
  --amber:#D9822B;
  --radius-card:18px;
  --radius-img:14px;
  --radius-hero:20px;
  --radius-pill:999px;
  --radius-btn:12px;
  --shadow-soft:0 1px 0 rgba(20,22,26,.04);
  --shadow-hover:0 18px 40px -24px rgba(20,22,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-section:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ivory);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-strong);letter-spacing:-0.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  padding:14px 28px;border-radius:var(--radius-pill);
  border:1px solid transparent;background:transparent;color:var(--ink-strong);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn .btn-arrow{display:inline-block;transition:transform .22s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}
.btn-primary{background:var(--clay);color:#fff;box-shadow:0 10px 24px -16px rgba(196,71,42,.9);}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--ink-strong);color:var(--ink-strong);border-radius:var(--radius-btn);padding:13px 26px;}
.btn-ghost:hover{background:var(--pine);border-color:var(--pine);color:#fff;}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--clay);font-size:15px;transition:gap .22s var(--ease),color .22s var(--ease);}
.link-arrow:hover{gap:12px;color:var(--clay-dark);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:var(--clay-light);color:var(--clay-dark);
}
.badge-sand{background:var(--sand-soft);color:var(--muted);}
.badge-hero{background:rgba(247,244,239,.16);color:#F7F4EF;}
.badge-num{font-family:"Songti SC","Noto Serif SC",Georgia,serif;font-size:13px;letter-spacing:.08em;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:transparent;
  transition:background .28s var(--ease),height .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--sand);
  box-shadow:0 8px 24px -22px rgba(20,22,26,.5);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .28s var(--ease);}
.site-header.is-stuck .header-inner{height:66px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-0.01em;}
.brand-mark{display:inline-flex;line-height:0;}
.brand-text{font-size:18px;color:var(--ink-strong);}
.site-header:not(.is-stuck) .brand-text{color:var(--ink-strong);}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;transition:color .18s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--clay);
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after{width:100%;background:rgba(196,71,42,.35);}
.nav-link.is-active{color:var(--ink-strong);}
.nav-link.is-active::after{width:60%;}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--sand);background:#fff;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-strong);border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 84px;
  background-image:linear-gradient(105deg,rgba(16,32,27,.94) 0%,rgba(16,32,27,.82) 46%,rgba(16,32,27,.5) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#F7F4EF;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(247,244,239,.16);
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(247,244,239,.7);margin-bottom:26px;}
.breadcrumb a{color:rgba(247,244,239,.7);transition:color .18s var(--ease);}
.breadcrumb a:hover{color:#F7F4EF;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(247,244,239,.55);}
.page-hero h1{
  font-size:clamp(36px,4.6vw,60px);font-weight:900;line-height:1.06;letter-spacing:-0.02em;
  color:#F7F4EF;margin:18px 0 18px;max-width:16em;
}
.page-hero-lead{font-size:18px;line-height:1.75;color:rgba(247,244,239,.86);max-width:40ch;}
.hero-line{height:1px;background:rgba(247,244,239,.24);margin:36px 0 26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  padding:6px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;
  background:rgba(247,244,239,.1);border:1px solid rgba(247,244,239,.2);color:rgba(247,244,239,.9);
}

/* ---------- stats ---------- */
.stat-strip{background:var(--white);border-bottom:1px solid var(--sand);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat-item{padding:36px 28px;border-right:1px solid var(--sand);}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:40px;font-weight:700;line-height:1;color:var(--ink-strong);letter-spacing:-0.02em;
}
.stat-num .unit{font-size:16px;font-family:inherit;margin-left:6px;color:var(--muted);font-weight:600;letter-spacing:0;}
.stat-label{margin-top:12px;font-size:14px;color:var(--muted);letter-spacing:.02em;}

/* ---------- generic section ---------- */
.section{padding:var(--gap-section) 0;}
.section-alt{background:var(--sand-soft);}
.section-head{max-width:720px;margin-bottom:56px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--clay);text-transform:uppercase;margin-bottom:14px;
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--clay);display:block;}
.section-head h2{font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1.18;}
.section-head p{margin-top:16px;font-size:17px;color:var(--muted);}

/* ---------- zigzag ---------- */
.zigzag{display:flex;flex-direction:column;}
.zigzag-item{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--sand);
}
.zigzag-item:first-child{padding-top:0;}
.zigzag-item:last-child{border-bottom:none;padding-bottom:0;}
.zigzag-media{
  border-radius:var(--radius-img);overflow:hidden;background:var(--sand);
  aspect-ratio:16/9;position:relative;
}
.zigzag-media img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;
  transition:transform .5s var(--ease);
}
.zigzag-item:hover .zigzag-media img{transform:scale(1.04);}
.zigzag-body{max-width:520px;}
.zigzag-index{
  font-family:"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:15px;font-weight:700;letter-spacing:.16em;color:var(--clay);
  display:block;margin-bottom:14px;
}
.zigzag-body h3{font-size:clamp(22px,2.3vw,28px);font-weight:800;line-height:1.32;margin-bottom:14px;}
.zigzag-body p{font-size:16px;color:var(--muted);margin-bottom:20px;}
.zigzag-item:nth-child(even) .zigzag-media{order:2;}
.zigzag-item:nth-child(even) .zigzag-body{order:1;}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.process-card{
  background:var(--white);border:1px solid var(--sand);border-radius:var(--radius-card);
  padding:28px 24px;box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.process-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.process-step{
  width:44px;height:44px;border-radius:50%;background:var(--clay-light);color:var(--clay-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;margin-bottom:20px;
}
.process-card h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.process-card p{font-size:15px;color:var(--muted);line-height:1.8;}
.process-rail{height:2px;background:var(--sand);margin:0 0 40px;position:relative;overflow:hidden;}
.process-rail::after{content:"";position:absolute;left:0;top:0;height:100%;width:38%;background:var(--clay);}

/* ---------- audience ---------- */
.audience-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.audience-item{
  display:flex;gap:20px;padding:28px;background:var(--white);border:1px solid var(--sand);
  border-radius:var(--radius-card);box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.audience-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.audience-icon{
  flex:0 0 52px;height:52px;border-radius:16px;background:var(--pine);color:#F7F4EF;
  display:flex;align-items:center;justify-content:center;
}
.audience-item h3{font-size:18px;font-weight:800;margin-bottom:8px;}
.audience-item p{font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--sand);}
.faq-item{border-bottom:1px solid var(--sand);}
.faq-q{
  width:100%;background:transparent;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;font-size:17px;font-weight:700;color:var(--ink-strong);line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--clay);}
.faq-plus{
  flex:0 0 26px;width:26px;height:26px;position:relative;transition:transform .28s var(--ease);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--clay);border-radius:2px;
}
.faq-plus::before{left:50%;top:4px;width:2px;height:18px;transform:translateX(-50%);}
.faq-plus::after{top:50%;left:4px;height:2px;width:18px;transform:translateY(-50%);}
.faq-item.is-open .faq-plus{transform:rotate(45deg);}
.faq-item.is-open .faq-q{color:var(--clay);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a-inner{
  background:var(--sand-soft);border-radius:var(--radius-img);
  padding:20px 24px;margin:0 0 24px;font-size:16px;line-height:1.9;color:var(--ink);
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--pine);border-radius:24px;padding:52px;
  display:grid;grid-template-columns:1.6fr 1fr;gap:48px;align-items:center;
  color:#F7F4EF;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,71,42,.35),transparent 68%);
}
.cta-band h2{color:#F7F4EF;font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.2;}
.cta-band p{margin-top:16px;color:rgba(247,244,239,.78);font-size:16px;max-width:44ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px;}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.qr-box{
  width:120px;height:120px;background:#fff;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
}
.qr-caption{font-size:13px;color:rgba(247,244,239,.7);letter-spacing:.04em;}

/* ---------- back links ---------- */
.back-links{
  display:flex;flex-wrap:wrap;gap:36px;padding:44px 0 0;border-top:1px solid var(--sand);
  margin-top:var(--gap-section);
}

/* ---------- footer ---------- */
.site-footer{background:var(--pine);color:#F7F4EF;padding:80px 0 0;margin-top:var(--gap-section);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#F7F4EF;margin-bottom:18px;}
.footer-intro{font-size:14px;line-height:1.9;color:rgba(247,244,239,.68);max-width:30ch;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(247,244,239,.24);
  display:flex;align-items:center;justify-content:center;color:rgba(247,244,239,.8);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.footer-social a:hover{background:var(--clay);border-color:var(--clay);color:#fff;transform:translateY(-2px);}
.footer-title{font-size:15px;font-weight:800;margin-bottom:18px;color:#F7F4EF;letter-spacing:.02em;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:rgba(247,244,239,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-links a:hover{color:#F7F4EF;transform:translateX(2px);}
.footer-contact li{font-size:14px;color:rgba(247,244,239,.72);margin-bottom:12px;line-height:1.7;}
.footer-qr{
  width:120px;height:120px;background:#fff;border-radius:14px;margin-top:8px;
  display:flex;align-items:center;justify-content:center;
}
.footer-bottom{
  margin-top:64px;padding:26px 0;border-top:1px solid rgba(247,244,239,.16);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(247,244,239,.6);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  :root{--gap-section:76px;}
  .container{padding:0 24px;}
  .zigzag-item{gap:36px;padding:36px 0;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--sand);}
  .audience-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:44px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--gap-section:56px;}
  .container{padding:0 20px;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 96px;transform:translateX(102%);
    transition:transform .32s var(--ease);z-index:99;overflow-y:auto;
    box-shadow:-20px 0 50px -30px rgba(20,22,26,.5);
  }
  body.nav-open .main-nav{transform:translateX(0);}
  body.nav-open::before{
    content:"";position:fixed;inset:0;z-index:98;
    background:rgba(20,22,26,.5);backdrop-filter:blur(6px);
  }
  .main-nav .nav-link{
    font-size:18px;font-weight:700;padding:18px 0;border-bottom:1px solid var(--sand);
  }
  .main-nav .nav-link::after{display:none;}
  .nav-toggle{display:flex;position:relative;z-index:101;}
  .header-actions .btn-primary.btn-sm{display:none;}
  body.nav-open .header-actions .btn-primary.btn-sm{
    display:inline-flex;position:fixed;right:0;bottom:0;width:82vw;max-width:360px;
    z-index:101;border-radius:0;padding:18px 24px;font-size:16px;
  }
  .page-hero{padding:124px 0 64px;}
  .page-hero-lead{font-size:16px;}
  .section-head{margin-bottom:36px;}
  .zigzag-item{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .zigzag-item:nth-child(even) .zigzag-media{order:0;}
  .zigzag-item:nth-child(even) .zigzag-body{order:0;}
  .process-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:20px 0;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .back-links{gap:24px;}
  .stat-num{font-size:32px;}
  .stat-item{padding:26px 20px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .brand-text{font-size:16px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--sand);}
  .stat-item:last-child{border-bottom:none;}
  .btn{padding:12px 22px;font-size:14px;}
}