/* roulang page: index */
:root{
  --c-ink:#17130F;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3ECE4;
  --c-line:#E6DCD2;
  --c-primary:#FF5A2E;
  --c-primary-deep:#E23E12;
  --c-accent:#C8F135;
  --c-hot:#FF3B6B;
  --c-text:#1F1B19;
  --c-muted:#6E6259;
  --c-dark-text:#FFF6EE;
  --c-dark-muted:rgba(255,246,238,.68);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 6px 20px rgba(23,19,15,.06);
  --shadow-2:0 14px 32px rgba(23,19,15,.12);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,BlinkMacSystemFont,"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.35;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px;}

/* ============ 顶部公告条 ============ */
.notice-bar{background:var(--c-ink);color:var(--c-dark-text);font-size:13px;min-height:36px;display:flex;align-items:center;}
.notice-inner{display:flex;align-items:center;gap:10px;min-height:36px;}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:none;box-shadow:0 0 0 4px rgba(200,241,53,.16);}
.notice-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-dark-muted);}
.notice-text strong{color:#FFF6EE;font-weight:600;}
.notice-close{width:26px;height:26px;flex:none;border-radius:50%;font-size:17px;line-height:1;color:var(--c-dark-muted);display:grid;place-items:center;transition:var(--t);}
.notice-close:hover{background:rgba(255,246,238,.14);color:#FFF6EE;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:var(--c-surface);border-bottom:1px solid transparent;transition:var(--t);}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(23,19,15,.07);}
.header-inner{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--c-primary);color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center;box-shadow:0 6px 14px rgba(255,90,46,.32);}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--c-muted);transition:var(--t);}
.nav-link:hover{color:var(--c-text);background:var(--c-surface-2);}
.nav-link.is-active{color:var(--c-text);font-weight:700;background:var(--c-surface-2);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-mega{position:relative;}
.mega-trigger{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--c-muted);transition:var(--t);}
.mega-trigger:hover,.nav-mega:hover .mega-trigger,.nav-mega:focus-within .mega-trigger{color:var(--c-text);background:var(--c-surface-2);}
.mega-trigger svg{transition:transform var(--t);}
.nav-mega:hover .mega-trigger svg,.nav-mega:focus-within .mega-trigger svg{transform:rotate(180deg);}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(720px,84vw);padding:22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-2);display:grid;grid-template-columns:1fr 1fr;gap:22px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity var(--t),transform var(--t),visibility var(--t);}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:none;}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:10px;}
.mega-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:10px;font-size:14.5px;border-left:3px solid transparent;transition:var(--t);}
.mega-link:hover{background:var(--c-surface-2);border-left-color:var(--c-primary);}
.mega-link span{font-size:12px;color:var(--c-muted);font-variant-numeric:tabular-nums;flex:none;}
.mega-card{grid-column:1 / -1;display:flex;align-items:center;gap:14px;padding:12px;border-radius:14px;background:var(--c-surface-2);transition:var(--t);}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);}
.mega-card img{width:96px;height:60px;object-fit:cover;border-radius:10px;flex:none;background:var(--c-surface);}
.mega-card strong{display:block;font-size:15px;font-weight:700;}
.mega-card em{display:block;font-style:normal;font-size:12.5px;color:var(--c-muted);margin-top:2px;}
.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-muted);display:grid;place-items:center;transition:var(--t);}
.icon-btn:hover{color:var(--c-primary-deep);border-color:var(--c-primary);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);place-items:center;transition:var(--t);}
.nav-toggle:hover{border-color:var(--c-primary);}
.nav-toggle i{position:relative;display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
.nav-overlay{position:fixed;inset:0;background:rgba(23,19,15,.5);opacity:0;visibility:hidden;transition:var(--t);z-index:75;}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);}
.btn-primary{background:var(--c-primary-deep);color:#fff;box-shadow:0 8px 18px rgba(226,62,18,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(226,62,18,.32);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:var(--c-surface);border:1.5px solid var(--c-ink);color:var(--c-ink);}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);background:var(--c-surface-2);}
.btn-ghost:active{transform:translateY(1px);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,241,53,.32);}
.btn-accent:active{transform:translateY(1px);box-shadow:none;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 首屏 ============ */
.hero{position:relative;padding:56px 0 40px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(880px 420px at 88% -12%,rgba(255,90,46,.11),transparent 70%),radial-gradient(620px 320px at 4% 4%,rgba(200,241,53,.16),transparent 72%);}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;font-weight:600;color:var(--c-primary-deep);}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);animation:pulse 1.8s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,90,46,.5);}70%{box-shadow:0 0 0 8px rgba(255,90,46,0);}100%{box-shadow:0 0 0 0 rgba(255,90,46,0);}}
.hero h1{margin:18px 0 14px;font-size:clamp(26px,4.4vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.01em;max-width:15em;}
.hero-sub{font-size:17px;color:var(--c-muted);max-width:28em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.chip-row{display:flex;gap:10px;margin-top:28px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{display:inline-flex;align-items:center;flex:none;scroll-snap-align:start;padding:8px 16px;border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line);font-size:13.5px;font-weight:600;transition:var(--t);}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-deep);transform:translateY(-2px);}
.chip.is-active{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;}
.hero-media{display:flex;justify-content:center;}
.phone-frame{position:relative;width:min(300px,72vw);aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;background:var(--c-surface-2);border:1px solid var(--c-line);box-shadow:0 26px 60px rgba(23,19,15,.16);}
.phone-frame img{width:100%;height:100%;object-fit:cover;}
.phone-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,0) 42%,rgba(23,19,15,.8) 100%);}
.media-badge{position:absolute;z-index:2;top:14px;right:14px;padding:5px 10px;border-radius:999px;background:rgba(23,19,15,.72);color:var(--c-accent);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;}
.media-time{position:absolute;z-index:2;left:14px;bottom:14px;padding:4px 9px;border-radius:8px;background:rgba(23,19,15,.72);color:#FFF6EE;font-size:12px;font-variant-numeric:tabular-nums;}
.media-caption{position:absolute;z-index:2;right:14px;bottom:16px;font-size:12px;color:rgba(255,246,238,.8);}

/* ============ 板块通用 ============ */
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.section-desc{font-size:14px;color:var(--c-muted);margin-top:6px;max-width:42em;}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary-deep);border-bottom:2px solid transparent;transition:var(--t);}
.text-link:hover{border-bottom-color:var(--c-primary);}

/* ============ 热门片段卡带 ============ */
.rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 8px 18px;margin-inline:-8px;scrollbar-width:none;mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);}
.rail::-webkit-scrollbar{display:none;}
.clip-card{flex:none;width:220px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;transition:transform var(--t),box-shadow var(--t);}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.clip-card:active{transform:translateY(0);}
.clip-cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--c-surface-2);}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform 240ms cubic-bezier(.2,.7,.3,1);}
.clip-card:hover .clip-cover img{transform:scale(1.04);}
.clip-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,0) 44%,rgba(23,19,15,.86) 100%);}
.clip-hot{position:absolute;z-index:2;top:12px;right:12px;padding:4px 9px;border-radius:999px;background:rgba(23,19,15,.74);color:var(--c-accent);font-size:11.5px;font-weight:700;font-variant-numeric:tabular-nums;}
.clip-info{position:absolute;z-index:2;left:14px;right:14px;bottom:14px;color:#FFF6EE;}
.clip-info h3{font-size:15px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-info p{margin-top:5px;font-size:12px;color:rgba(255,246,238,.72);}

/* ============ 种草清单 ============ */
.pick-section{background:linear-gradient(180deg,rgba(243,236,228,.5),rgba(243,236,228,0));}
.pick-list{display:grid;gap:12px;}
.pick-row{display:grid;grid-template-columns:56px 96px 1fr auto;gap:20px;align-items:center;padding:22px 24px;border-radius:var(--r-lg);transition:var(--t);}
.pick-row:nth-child(odd){background:var(--c-surface);border:1px solid var(--c-line);}
.pick-row:nth-child(even){background:var(--c-surface-2);border:1px solid transparent;}
.pick-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);}
.pick-index{font-size:36px;font-weight:800;line-height:1;color:rgba(255,90,46,.26);font-variant-numeric:tabular-nums;letter-spacing:-.03em;}
.pick-thumb{width:96px;height:96px;border-radius:14px;object-fit:cover;background:var(--c-surface);}
.pick-body{min-width:0;}
.pick-body h3{font-size:18px;font-weight:700;}
.pick-body ul{margin-top:9px;display:grid;gap:3px;}
.pick-body li{position:relative;padding-left:16px;font-size:14px;color:var(--c-muted);line-height:1.8;}
.pick-body li::before{content:"";position:absolute;left:0;top:.85em;width:8px;height:2px;border-radius:2px;background:var(--c-primary);}

/* ============ 最新动态 ============ */
.filter-chips{display:flex;gap:8px;flex-wrap:wrap;}
.news-list{display:grid;gap:14px;}
.news-card{display:grid;grid-template-columns:240px 1fr;gap:18px;padding:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCCFC2;}
.news-thumb{aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px;font-size:12.5px;color:var(--c-muted);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--c-surface-2);border:1px solid transparent;color:var(--c-ink);font-size:12px;font-weight:600;transition:var(--t);}
.news-card:hover .badge{border-color:var(--c-primary);color:var(--c-primary-deep);}
.meta-sep{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.45;flex:none;}
.empty-state{padding:56px 24px;text-align:center;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);}
.empty-state span{display:grid;place-items:center;width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:var(--c-surface-2);color:var(--c-primary);font-size:22px;font-weight:700;}
.empty-state strong{display:block;font-size:17px;font-weight:700;}
.empty-state p{margin-top:6px;font-size:14px;color:var(--c-muted);}

/* ============ 口碑条 ============ */
.reviews{background:linear-gradient(160deg,#17130F 0%,#241A14 100%);border-radius:var(--r-xl);padding:40px 0 30px;color:var(--c-dark-text);}
.reviews-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:0 32px;margin-bottom:22px;flex-wrap:wrap;}
.reviews-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;}
.reviews-head p{font-size:13.5px;color:var(--c-dark-muted);margin-top:4px;}
.reviews .rail{padding-inline:32px;margin-inline:0;mask-image:none;-webkit-mask-image:none;}
.review-card{flex:none;width:320px;scroll-snap-align:start;padding:20px;border-radius:var(--r-lg);background:rgba(255,246,238,.06);border:1px solid rgba(255,246,238,.12);transition:var(--t);}
.review-card:hover{background:rgba(255,246,238,.1);transform:translateY(-3px);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--c-primary);color:#fff;font-size:15px;font-weight:700;}
.review-name{font-size:14.5px;font-weight:600;color:#FFF6EE;}
.review-stars{font-size:12px;color:var(--c-accent);letter-spacing:.18em;}
.review-card p{margin-top:14px;font-size:14px;line-height:1.85;color:var(--c-dark-muted);}
.review-time{display:block;margin-top:14px;font-size:12px;color:rgba(255,246,238,.5);}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--c-line);padding:32px 0;}
.stat{padding:0 20px;text-align:center;border-left:1px solid var(--c-line);}
.stat:first-child{border-left:0;}
.stat strong{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.02em;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--c-muted);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:10px;max-width:880px;margin-inline:auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;padding:0 20px;transition:var(--t);}
.faq-item[open]{border-color:#DCCFC2;box-shadow:var(--shadow-1);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;padding:14px 0;font-size:17px;font-weight:600;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"";flex:none;width:10px;height:10px;margin-right:5px;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(45deg);transition:transform var(--t);}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item p{padding-bottom:20px;font-size:15px;line-height:1.9;color:var(--c-muted);}

/* ============ 底部 CTA ============ */
.cta-band{background:linear-gradient(160deg,#17130F 0%,#241A14 100%);border-radius:var(--r-xl);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:var(--c-dark-text);}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:#FFF6EE;}
.cta-band p{margin-top:8px;font-size:14.5px;color:var(--c-dark-muted);max-width:34em;}

/* ============ 页脚 ============ */
.site-footer{margin-top:72px;padding:64px 0 32px;background:var(--c-ink);color:var(--c-dark-muted);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#FFF6EE;font-size:17px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.9;max-width:30em;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,246,238,.18);display:grid;place-items:center;font-size:12px;color:var(--c-dark-muted);transition:var(--t);}
.footer-social a:hover{color:var(--c-ink);background:var(--c-accent);border-color:var(--c-accent);}
.footer-col h4{font-size:14px;font-weight:700;color:#FFF6EE;letter-spacing:.04em;margin-bottom:12px;}
.footer-col a{display:block;padding:6px 0;font-size:14px;transition:var(--t);}
.footer-col a:hover{color:#FFF6EE;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:14px;padding:6px 0;}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,246,238,.14);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .legal a{transition:var(--t);}
.footer-bottom .legal a:hover{color:#FFF6EE;}

/* ============ 移动端粘性条 ============ */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;gap:10px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));background:var(--c-surface);border-top:1px solid var(--c-line);box-shadow:0 -8px 24px rgba(23,19,15,.08);transform:translateY(110%);transition:transform var(--t);}
.mobile-bar.is-visible{transform:none;}
.mobile-bar .btn{height:44px;}
.mobile-bar .btn-primary{flex:1;}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .section{padding:88px 0;}
}
@media (max-width:1023px){
  .header-inner{height:60px;gap:12px;}
  .nav-toggle{display:grid;}
  .nav-mega{display:none;}
  .nav-main{position:fixed;top:0;right:0;z-index:80;width:min(340px,86vw);height:100dvh;display:flex;flex-direction:column;align-items:stretch;gap:6px;padding:88px 20px 32px;background:var(--c-surface);box-shadow:var(--shadow-2);overflow-y:auto;transform:translateX(102%);transition:transform var(--t);margin-left:0;}
  .nav-main.is-open{transform:none;}
  .nav-link{padding:14px 16px;border-radius:12px;font-size:16px;background:transparent;}
  .nav-link.is-active{background:var(--c-surface-2);}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-media{order:2;}
  .hero h1{max-width:none;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding-inline:16px;}
  .section{padding:48px 0;}
  .hero{padding:36px 0 24px;}
  .hero-sub{font-size:15.5px;}
  .phone-frame{width:78vw;max-width:320px;}
  .media-caption{display:none;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 46%;}
  .section-head{margin-bottom:20px;}
  .clip-card{width:200px;}
  .pick-row{grid-template-columns:44px 1fr;grid-template-areas:"idx body" "thumb body" "btn btn";row-gap:12px;padding:18px;}
  .pick-index{grid-area:idx;font-size:28px;width:auto;}
  .pick-thumb{grid-area:thumb;width:72px;height:72px;}
  .pick-body{grid-area:body;}
  .pick-row .btn{grid-area:btn;width:100%;}
  .news-card{grid-template-columns:1fr;gap:14px;}
  .news-thumb{aspect-ratio:16/9;}
  .reviews{padding:28px 0 22px;border-radius:var(--r-lg);}
  .reviews-head{padding:0 20px;}
  .reviews .rail{padding-inline:20px;}
  .review-card{width:280px;}
  .stats{grid-template-columns:1fr 1fr;gap:24px 0;padding:26px 0;}
  .stat:nth-child(odd){border-left:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--c-line);padding-top:22px;}
  .cta-band{padding:28px 22px;gap:20px;}
  .site-footer{margin-top:48px;padding:44px 0 28px;}
  .footer-grid{grid-template-columns:1fr;}
  .mobile-bar{display:flex;}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .chip{font-size:13px;padding:7px 14px;}
  .news-body h3{font-size:16.5px;}
  .cta-band .btn{width:100%;}
}

/* roulang page: article */
:root{
  --c-ink:#17130F;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3ECE4;
  --c-line:#E6DCD2;
  --c-primary:#FF5A2E;
  --c-primary-deep:#E23E12;
  --c-accent:#C8F135;
  --c-hot:#FF3B6B;
  --c-text:#1F1B19;
  --c-muted:#6E6259;
  --c-dark-text:#FFF6EE;
  --c-dark-muted:rgba(255,246,238,.68);
  --r-8:8px; --r-12:12px; --r-18:18px; --r-24:24px; --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,19,15,.06);
  --sh-2:0 14px 32px rgba(23,19,15,.12);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,BlinkMacSystemFont,"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4{margin:0}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 2px 14px rgba(23,19,15,.06)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-ink);flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:var(--c-primary-deep);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:800;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-muted);
  text-decoration:none;white-space:nowrap;
  transition:color var(--t),background-color var(--t);
}
.nav-link:hover{color:var(--c-ink);background:var(--c-surface-2)}
.nav-link.is-active{color:var(--c-ink);background:var(--c-surface-2)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.nav-mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  height:38px;padding:0 15px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color var(--t),background-color var(--t),color var(--t);
}
.mega-trigger svg{transition:transform var(--t)}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary-deep)}
.nav-mega.is-open .mega-trigger{background:var(--c-surface-2);border-color:var(--c-line)}
.nav-mega.is-open .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:760px;max-width:calc(100vw - 48px);
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-18);box-shadow:var(--sh-2);
  padding:22px;display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-muted);margin-bottom:10px}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--r-12);border-left:3px solid transparent;
  font-size:14px;color:var(--c-text);text-decoration:none;
  transition:background-color var(--t),border-color var(--t);
}
.mega-link span{font-size:12px;color:var(--c-muted)}
.mega-link:hover{background:var(--c-surface-2);border-left-color:var(--c-primary)}
.mega-card{
  display:flex;flex-direction:column;gap:12px;
  border:1px solid var(--c-line);border-radius:var(--r-18);
  padding:12px;text-decoration:none;background:var(--c-surface);
  transition:transform var(--t),box-shadow var(--t);
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-12)}
.mega-card strong{display:block;font-size:15px;color:var(--c-ink);margin-bottom:4px}
.mega-card em{display:block;font-style:normal;font-size:12.5px;color:var(--c-muted);line-height:1.6}

.icon-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color var(--t),color var(--t),transform var(--t);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary-deep)}
.icon-btn:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);
  align-items:center;justify-content:center;cursor:pointer;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--c-primary-deep);color:#fff}
.btn-primary:hover{background:#c83710;transform:translateY(-2px);box-shadow:0 10px 24px rgba(226,62,18,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--c-ink);color:var(--c-ink)}
.btn-outline:hover{background:var(--c-ink);color:#FFF6EE;transform:translateY(-2px)}
.btn-ghost{background:var(--c-surface-2);color:var(--c-primary-deep)}
.btn-ghost:hover{background:#EDE2D7;transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{background:#d6ff4d;transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,241,53,.25)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 阅读进度 ============ */
.read-progress{position:fixed;top:0;left:0;width:100%;height:3px;z-index:70;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));transition:width 90ms linear}

/* ============ 面包屑 & 文章头 ============ */
.article-top{padding:30px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--c-muted)}
.breadcrumb a{color:var(--c-muted);text-decoration:none;transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-primary-deep)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{max-width:44vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{margin-top:22px;padding-bottom:26px;border-bottom:1px solid var(--c-line)}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--c-surface-2);border:1px solid transparent;
  border-radius:var(--r-pill);padding:6px 14px;
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--c-ink);
  text-decoration:none;transition:border-color var(--t),color var(--t);
}
.badge-cat:hover{border-color:var(--c-primary);color:var(--c-primary-deep)}
.article-head h1{
  font-size:clamp(24px,3.2vw,34px);line-height:1.35;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 16px;max-width:860px;
}
.head-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--c-muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);display:inline-block}
.head-tools{display:flex;align-items:center;gap:10px}
.tool-btn{
  display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-muted);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.tool-btn:hover{color:var(--c-primary-deep);border-color:var(--c-primary);background:#FFF8F5}
.tool-btn svg{flex-shrink:0}

/* ============ 正文与侧栏 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,780px) 280px;
  gap:52px;justify-content:center;padding:42px 0 0;align-items:start;
}
.article-content{font-size:17px;line-height:1.9;color:var(--c-text);word-wrap:break-word}
.article-content p{margin:0 0 1.1em}
.article-content h1,.article-content h2{
  font-size:22px;font-weight:700;line-height:1.45;margin:2em 0 .8em;
  padding-left:14px;border-left:3px solid var(--c-primary);color:var(--c-ink);
}
.article-content h3{font-size:18px;font-weight:600;line-height:1.5;margin:1.7em 0 .7em;color:var(--c-ink)}
.article-content h4{font-size:16.5px;font-weight:600;margin:1.4em 0 .6em}
.article-content ul,.article-content ol{padding-left:1.35em;margin:0 0 1.2em}
.article-content li{margin:.5em 0}
.article-content img{border-radius:var(--r-12);margin:1.5em auto;height:auto}
.article-content figure{margin:1.5em 0}
.article-content figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.article-content blockquote{
  margin:1.5em 0;padding:16px 20px;border-radius:var(--r-12);
  background:var(--c-surface-2);border-left:3px solid var(--c-primary);
  color:var(--c-text);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content a{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:#b32d09}
.article-content pre{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-12);
  padding:16px;overflow:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;background:var(--c-surface-2);padding:2px 6px;border-radius:6px;
}
.article-content pre code{background:none;padding:0}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--c-line);padding:10px 13px;text-align:left}
.article-content th{background:var(--c-surface-2);font-weight:600}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}

.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-18);padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--c-ink)}
.side-list{list-style:none;padding:0}
.side-list li{margin-bottom:2px}
.side-list a{
  display:block;padding:10px 12px;border-radius:var(--r-12);
  border-left:3px solid transparent;font-size:14px;color:var(--c-muted);
  text-decoration:none;transition:background-color var(--t),color var(--t),border-color var(--t);
}
.side-list a:hover{background:var(--c-surface-2);color:var(--c-ink);border-left-color:var(--c-primary)}
.side-note{font-size:13.5px;color:var(--c-muted);line-height:1.8}
.side-cta{
  background:linear-gradient(160deg,#17130F,#241A14);
  border:none;color:var(--c-dark-text);
}
.side-cta h3{color:var(--c-dark-text)}
.side-cta p{font-size:13.5px;color:var(--c-dark-muted);line-height:1.8;margin-bottom:16px}
.side-cover{border-radius:var(--r-12);overflow:hidden;margin-bottom:14px}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-18);
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  background:var(--c-surface-2);color:var(--c-primary);
  display:grid;place-items:center;
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:14.5px;margin-bottom:22px}

/* ============ 相关推荐 ============ */
.related{padding:76px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:var(--c-ink)}
.section-head .lead{font-size:14px;color:var(--c-muted);margin-top:8px}
.text-link{
  font-size:14px;font-weight:600;color:var(--c-primary-deep);text-decoration:none;
  border-bottom:1px solid transparent;transition:border-color var(--t),color var(--t);
}
.text-link:hover{border-bottom-color:var(--c-primary-deep)}
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rcard{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-18);overflow:hidden;text-decoration:none;color:inherit;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCCFC2}
.rcard .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms cubic-bezier(.2,.7,.3,1)}
.rcard:hover .thumb img{transform:scale(1.04)}
.rcard-body{padding:15px 16px 18px}
.rcard-body h3{
  font-size:15px;font-weight:700;line-height:1.55;margin-bottom:8px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-body p{
  font-size:13px;color:var(--c-muted);line-height:1.75;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard-tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-surface-2);font-size:12px;font-weight:600;color:var(--c-muted);
}

/* ============ 上下篇 ============ */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:52px;padding-top:34px;border-top:1px solid var(--c-line);
}
.post-nav-item{
  display:block;padding:20px 22px;border-radius:var(--r-18);
  border:1px solid var(--c-line);background:var(--c-surface);text-decoration:none;color:inherit;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:#DCCFC2}
.post-nav-item.is-disabled{background:var(--c-surface-2);opacity:.55;cursor:not-allowed;pointer-events:none}
.post-nav-item span{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--c-muted);margin-bottom:8px}
.post-nav-item strong{font-size:15px;font-weight:600;line-height:1.6;color:var(--c-ink)}
.post-nav-item.next{text-align:right}

.back-row{display:flex;justify-content:center;margin-top:40px}

/* ============ 底部 CTA ============ */
.cta-wrap{padding:80px 0 0}
.cta-band{
  background:linear-gradient(160deg,#17130F,#241A14);
  border-radius:var(--r-24);padding:44px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--c-dark-text);margin-bottom:10px;line-height:1.4}
.cta-band p{font-size:14.5px;color:var(--c-dark-muted);line-height:1.8;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  background:linear-gradient(160deg,#17130F,#241A14);
  color:var(--c-dark-text);padding:64px 0 32px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{font-size:16.5px;font-weight:800;color:var(--c-dark-text)}
.footer-about{font-size:14px;line-height:1.9;color:var(--c-dark-muted);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.footer-social a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid rgba(255,246,238,.22);
  font-size:13px;color:var(--c-dark-muted);text-decoration:none;
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.footer-social a:hover{color:var(--c-ink);background:var(--c-accent);border-color:var(--c-accent)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--c-dark-text)}
.footer-col a{
  display:block;padding:6px 0;font-size:14px;color:var(--c-dark-muted);
  text-decoration:none;transition:color var(--t);
}
.footer-col a:hover{color:var(--c-dark-text);text-decoration:underline;text-underline-offset:4px}
.footer-contact{list-style:none;padding:0;margin:0;font-size:14px;color:var(--c-dark-muted);line-height:1.9}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,246,238,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,246,238,.6);
}
.footer-bottom .legal{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom .legal a{color:inherit;text-decoration:none}
.footer-bottom .legal a:hover{color:var(--c-dark-text)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .header-inner{gap:14px}
  .nav-main{
    position:fixed;top:68px;right:0;bottom:0;
    width:min(80vw,320px);background:var(--c-surface);
    flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:18px;overflow-y:auto;
    transform:translateX(105%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
    box-shadow:-10px 0 34px rgba(23,19,15,.12);z-index:55;
  }
  .nav-main.is-open{transform:translateX(0)}
  .nav-link{padding:14px 14px;border-radius:var(--r-12);font-size:15.5px}
  .nav-toggle{display:inline-flex}
  .nav-mega{display:none}
  .icon-btn{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;justify-content:stretch}
  .side-stack{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .side-stack > :last-child{grid-column:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-text{font-size:15.5px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .btn-sm{height:36px;padding:0 14px;font-size:13.5px}
  .article-top{padding:22px 0 0}
  .breadcrumb .current{max-width:62vw}
  .article-head h1{margin:14px 0 14px}
  .article-layout{padding-top:32px}
  .article-content{font-size:16px;line-height:1.9}
  .article-content h1,.article-content h2{font-size:20px}
  .head-tools{width:100%}
  .side-stack{grid-template-columns:1fr}
  .related{padding-top:56px}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left}
  .cta-wrap{padding-top:56px}
  .cta-band{padding:32px 24px;border-radius:var(--r-18)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .site-footer{margin-top:56px;padding:48px 0 26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .btn{height:42px;padding:0 18px;font-size:14.5px}
  .meta-row{font-size:13px}
}

/* roulang page: category1 */
:root{
  --c-ink:#17130F;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3ECE4;
  --c-line:#E6DCD2;
  --c-primary:#FF5A2E;
  --c-primary-deep:#E23E12;
  --c-accent:#C8F135;
  --c-hot:#FF3B6B;
  --c-text:#1F1B19;
  --c-muted:#6E6259;
  --c-dark-a:#17130F;
  --c-dark-b:#241A14;
  --c-on-dark:#FFF6EE;
  --c-on-dark-2:rgba(255,246,238,.68);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,19,15,.06);
  --sh-2:0 14px 32px rgba(23,19,15,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3,h4{line-height:1.35}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:var(--c-on-dark);padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:10px;
  background:linear-gradient(150deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:#fff;font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(226,62,18,.28);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-ink)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--c-muted);
  transition:color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.nav-link:hover{color:var(--c-ink);background:var(--c-surface-2)}
.nav-link.is-active{color:var(--c-ink);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--c-primary-deep);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--c-ink);
  border:1px solid var(--c-line);background:var(--c-surface);
  transition:border-color var(--t),background-color var(--t),color var(--t);
}
.mega-trigger svg{transition:transform var(--t) var(--ease)}
.nav-mega:hover .mega-trigger,.nav-mega.is-open .mega-trigger{
  border-color:var(--c-primary);color:var(--c-primary-deep);background:#FFF4EF;
}
.nav-mega:hover .mega-trigger svg,.nav-mega.is-open .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:760px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
  z-index:90;
}
.nav-mega:hover .mega-panel,.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel::before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
.mega-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-muted);margin-bottom:10px}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14px;color:var(--c-text);
  border-left:3px solid transparent;
  transition:background-color var(--t),border-color var(--t),color var(--t);
}
.mega-link span{font-size:12px;color:var(--c-muted)}
.mega-link:hover{background:var(--c-surface-2);border-left-color:var(--c-primary)}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:14px;
  background:var(--c-surface-2);border:1px solid var(--c-line);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.mega-card img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex-shrink:0}
.mega-card strong{display:block;font-size:14px;font-weight:600}
.mega-card em{display:block;font-style:normal;font-size:12px;color:var(--c-muted);line-height:1.6;margin-top:2px}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--sh-1)}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-muted);
  transition:color var(--t),border-color var(--t),transform var(--t) var(--ease);
}
.icon-btn:hover{color:var(--c-primary-deep);border-color:var(--c-primary);transform:translateY(-1px)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);flex-direction:column;gap:4px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),
    background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--c-primary-deep);color:#fff;box-shadow:0 6px 16px rgba(226,62,18,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(226,62,18,.3);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-line{background:transparent;border:1.5px solid var(--c-ink);color:var(--c-ink)}
.btn-line:hover{transform:translateY(-2px);box-shadow:var(--sh-1);background:var(--c-surface)}
.btn-line:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:var(--c-surface);color:var(--c-primary-deep);border:1px solid var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px);box-shadow:none}
.btn-on-dark{background:var(--c-accent);color:var(--c-ink)}
.btn-on-dark:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,241,53,.22);filter:brightness(1.03)}
.btn-on-dark:active{transform:translateY(1px);box-shadow:none}
.btn-outline-dark{background:transparent;border:1.5px solid rgba(255,246,238,.4);color:var(--c-on-dark)}
.btn-outline-dark:hover{border-color:var(--c-on-dark);background:rgba(255,246,238,.08);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ chips / tags ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-muted);
  transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t) var(--ease);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-ink);transform:translateY(-1px)}
.chip.is-active{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;font-weight:600}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--c-surface-2);color:var(--c-ink);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-accent{background:var(--c-accent);color:var(--c-ink)}
.tag-dark{background:rgba(23,19,15,.72);color:var(--c-accent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--c-primary-deep);
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(200,241,53,.28)}

/* ============ page hero ============ */
.page-hero{background:linear-gradient(180deg,#FBF7F2 0%,#F6EFE7 100%)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding-top:20px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--c-primary-deep)}
.breadcrumb span{opacity:.6}
.breadcrumb em{font-style:normal;color:var(--c-text)}
.page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:28px 0 48px}
.page-hero h1{
  font-size:clamp(26px,4.4vw,44px);font-weight:800;line-height:1.2;
  margin:14px 0 14px;letter-spacing:-.01em;
}
.page-hero .lead{font-size:16px;color:var(--c-muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted)}
.hero-points li::before{
  content:"";width:16px;height:16px;border-radius:50%;flex-shrink:0;
  background:var(--c-surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.3l2.6 2.6L12 5.4' fill='none' stroke='%23E23E12' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
}
.page-hero-media{
  position:relative;width:100%;max-width:300px;justify-self:end;
  aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-2);background:var(--c-surface-2);
}
.page-hero-media img{width:100%;height:100%;object-fit:cover}
.page-hero-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(180deg,rgba(23,19,15,0) 0%,rgba(23,19,15,.72) 100%);
}
.media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(23,19,15,.66);color:var(--c-accent);
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}

/* ============ sticky filter ============ */
.filter-bar{
  position:sticky;top:var(--header-h);z-index:60;
  background:rgba(251,247,242,.96);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.filter-inner{
  display:flex;align-items:center;gap:10px;
  padding:12px 0;overflow-x:auto;scrollbar-width:none;
  scroll-snap-type:x proximity;
}
.filter-inner::-webkit-scrollbar{display:none}
.filter-inner .chip{flex-shrink:0;scroll-snap-align:start}
.filter-label{font-size:13px;color:var(--c-muted);flex-shrink:0;margin-right:4px}

/* ============ layout: side nav + cards ============ */
.layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;
  align-items:start;padding:48px 0 88px;
}
.side-nav{position:sticky;top:calc(var(--header-h) + 78px)}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px 16px;box-shadow:var(--sh-1);
}
.side-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-muted);margin-bottom:10px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--c-muted);
  border-left:3px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t);
}
.side-link span{font-size:12px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.side-link:hover{background:var(--c-surface-2);color:var(--c-ink)}
.side-link.is-active{background:#FFF4EF;color:var(--c-primary-deep);font-weight:600;border-left-color:var(--c-primary)}
.side-tip{
  margin-top:16px;padding:16px;border-radius:var(--r-md);
  background:var(--c-surface-2);font-size:13px;line-height:1.8;color:var(--c-muted);
}
.side-tip strong{display:block;color:var(--c-text);font-size:14px;margin-bottom:4px}
.side-cta{margin-top:14px;width:100%}

.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.list-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.list-head p{font-size:14px;color:var(--c-muted);margin-top:6px}
.list-count{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}

.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card-wide{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.card-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.card-wide:hover .card-media img{transform:scale(1.04)}
.card-media .tag{position:absolute;top:12px;left:12px}
.card-media .heat{
  position:absolute;right:12px;bottom:12px;
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(23,19,15,.66);color:var(--c-accent);
  font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45}
.card-body p{
  font-size:14px;color:var(--c-muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}

/* ============ scene rows ============ */
.scene-row{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:32px;border-radius:var(--r-xl);
  background:var(--c-surface);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);margin-bottom:24px;
}
.scene-row:nth-child(even){background:var(--c-surface-2);box-shadow:none}
.scene-row:nth-child(even) .scene-media{order:-1}
.scene-media{aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;background:#E7DED4}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-row h3{font-size:20px;font-weight:600;margin:12px 0 10px}
.scene-row p{font-size:15px;color:var(--c-muted);line-height:1.9}
.scene-list{margin:18px 0 0;display:grid;gap:8px}
.scene-list li{position:relative;padding-left:18px;font-size:14px;color:var(--c-muted)}
.scene-list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:8px;height:8px;border-radius:3px;background:var(--c-primary);
}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px 20px;position:relative;overflow:hidden;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  font-size:40px;font-weight:800;line-height:1;
  color:var(--c-primary);opacity:.22;font-variant-numeric:tabular-nums;
  display:block;margin-bottom:10px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-muted);line-height:1.8}

/* ============ voices (dark) ============ */
.voices{
  background:linear-gradient(160deg,var(--c-dark-a) 0%,var(--c-dark-b) 100%);
  border-radius:var(--r-xl);padding:48px 40px;color:var(--c-on-dark);
}
.voices .section-head{margin-bottom:28px}
.voices h2{color:var(--c-on-dark)}
.voices .section-sub{color:var(--c-on-dark-2)}
.voice-track{
  display:flex;gap:16px;overflow-x:auto;scrollbar-width:none;
  scroll-snap-type:x mandatory;padding-bottom:6px;
}
.voice-track::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:rgba(255,246,238,.06);border:1px solid rgba(255,246,238,.14);
  border-radius:var(--r-lg);padding:20px;
}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.voice-avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.voice-name{font-size:14px;font-weight:600;color:var(--c-on-dark)}
.voice-stars{font-size:12px;color:var(--c-accent);letter-spacing:.14em}
.voice-card p{font-size:14px;line-height:1.85;color:var(--c-on-dark-2)}
.voice-time{display:block;margin-top:12px;font-size:12px;color:rgba(255,246,238,.5)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:10px;margin-top:28px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t) var(--ease);
}
.faq-item[open]{border-color:#F0C9B8;box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:600;min-height:56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary svg{flex-shrink:0;color:var(--c-muted);transition:transform var(--t) var(--ease),color var(--t)}
.faq-item[open] summary svg{transform:rotate(180deg);color:var(--c-primary-deep)}
.faq-item summary:hover{background:#FFF9F5}
.faq-answer{padding:0 20px 20px;font-size:15px;color:var(--c-muted);line-height:1.9}

/* ============ CTA band ============ */
.cta-band{
  background:linear-gradient(160deg,var(--c-dark-a) 0%,var(--c-dark-b) 100%);
  border-radius:var(--r-xl);padding:40px;color:var(--c-on-dark);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--c-on-dark)}
.cta-band p{font-size:14px;color:var(--c-on-dark-2);margin-top:8px;max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn{width:auto}

/* ============ sections ============ */
.section{padding:72px 0}
.section-tight{padding:48px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.section-sub{font-size:15px;color:var(--c-muted);margin-top:10px;max-width:680px}
.anchor-offset{scroll-margin-top:calc(var(--header-h) + 96px)}

/* ============ footer ============ */
.site-footer{
  background:linear-gradient(160deg,var(--c-dark-a) 0%,var(--c-dark-b) 100%);
  color:var(--c-on-dark);margin-top:88px;padding:64px 0 32px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:17px;font-weight:700}
.footer-about{font-size:14px;line-height:1.9;color:var(--c-on-dark-2);max-width:360px}
.footer-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.footer-social a{
  font-size:13px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,246,238,.2);color:var(--c-on-dark-2);
  transition:color var(--t),border-color var(--t),background-color var(--t);
}
.footer-social a:hover{color:var(--c-on-dark);border-color:rgba(255,246,238,.55);background:rgba(255,246,238,.06)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-on-dark);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--c-on-dark-2);padding:6px 0;transition:color var(--t)}
.footer-col a:hover{color:var(--c-on-dark);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{font-size:14px;color:var(--c-on-dark-2);padding:6px 0}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,246,238,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,246,238,.55);
}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .legal a{color:rgba(255,246,238,.68);transition:color var(--t)}
.footer-bottom .legal a:hover{color:var(--c-on-dark);text-decoration:underline;text-underline-offset:4px}

/* ============ mobile sticky bar ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;
}
.mobile-bar span{font-size:13px;color:var(--c-muted);flex:1;line-height:1.4}
.mobile-bar .btn{height:42px;padding:0 20px;font-size:14px}

/* ============ responsive ============ */
@media (max-width:1279px){
  .mega-panel{width:640px}
}
@media (max-width:1023px){
  .nav-main{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;
    background:var(--c-surface);flex-direction:column;align-items:stretch;
    padding:8px 24px 40px;gap:0;margin:0;overflow-y:auto;
    transform:translateX(100%);transition:transform 260ms var(--ease);z-index:75;
  }
  body.nav-open .nav-main{transform:translateX(0)}
  .nav-link{padding:16px 4px;border-bottom:1px solid var(--c-line);border-radius:0;font-size:16px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{color:var(--c-primary-deep)}
  .nav-toggle{display:inline-flex}
  .nav-mega{display:none}
  .layout{grid-template-columns:1fr;gap:28px;padding:32px 0 64px}
  .side-nav{position:static}
  .side-card{display:flex;gap:10px;overflow-x:auto;padding:12px;scrollbar-width:none}
  .side-card::-webkit-scrollbar{display:none}
  .side-title,.side-tip,.side-cta{display:none}
  .side-link{flex:0 0 auto;border-left:0;border-bottom:2px solid transparent;padding:8px 14px;white-space:nowrap}
  .side-link.is-active{background:var(--c-surface-2);border-left:0;border-bottom-color:var(--c-primary)}
  .side-link span{display:none}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;padding:24px 0 40px}
  .page-hero-media{justify-self:center;max-width:260px;width:78vw}
  .scene-row{grid-template-columns:1fr;gap:24px;padding:24px}
  .scene-row:nth-child(even) .scene-media{order:0}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .voices{padding:36px 24px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .cards-2{grid-template-columns:1fr;gap:20px}
  .steps{grid-template-columns:1fr}
  .voice-card{flex:0 0 280px}
  .cta-band{padding:28px 20px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
  .site-footer{margin-top:64px}
  .section{padding:48px 0}
}
@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .page-hero-media{max-width:220px}
  .filter-inner{padding:10px 0}
  .card-body{padding:16px}
}

/* roulang page: category2 */
:root{
  --c-ink:#17130F;
  --c-bg:#FBF7F2;
  --c-surface:#FFFFFF;
  --c-surface-2:#F3ECE4;
  --c-line:#E6DCD2;
  --c-primary:#FF5A2E;
  --c-primary-deep:#E23E12;
  --c-accent:#C8F135;
  --c-hot:#FF3B6B;
  --c-text:#1F1B19;
  --c-muted:#6E6259;
  --c-invert:#FFF6EE;
  --c-invert-soft:rgba(255,246,238,.68);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,19,15,.06);
  --sh-2:0 14px 32px rgba(23,19,15,.12);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --gap-section:88px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,BlinkMacSystemFont,"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 20px rgba(23,19,15,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--c-primary-deep);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:800;
  box-shadow:0 4px 10px rgba(226,62,18,.28);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-muted);
  transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-text);}
.nav-link.is-active{
  background:#FFF0EA;
  color:var(--c-primary-deep);
  font-weight:700;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.icon-btn{
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid var(--c-line);
  display:grid;
  place-items:center;
  color:var(--c-muted);
  transition:var(--t);
}
.icon-btn:hover{
  color:var(--c-primary-deep);
  border-color:var(--c-primary);
  transform:translateY(-2px);
}
.icon-btn:active{transform:translateY(0);}

/* 下拉面板 */
.nav-mega{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  transition:var(--t);
}
.mega-trigger svg{transition:transform var(--t);}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.nav-mega.is-open .mega-trigger{
  background:var(--c-surface-2);
  border-color:var(--c-primary);
  color:var(--c-primary-deep);
}
.nav-mega.is-open .mega-trigger svg{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:720px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:22px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.nav-mega:hover .mega-panel,
.nav-mega.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-muted);
  margin-bottom:10px;
}
.mega-link{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  padding:9px 12px;
  border-left:3px solid transparent;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--c-text);
  transition:var(--t);
}
.mega-link span{font-size:12px;color:var(--c-muted);}
.mega-link:hover{
  background:var(--c-surface-2);
  border-left-color:var(--c-primary);
}
.mega-card{
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  background:var(--c-surface-2);
  transition:var(--t);
}
.mega-card img{
  width:96px;
  height:64px;
  object-fit:cover;
  border-radius:var(--r-sm);
  flex-shrink:0;
}
.mega-card strong{display:block;font-size:14px;font-weight:700;}
.mega-card em{
  display:block;
  font-style:normal;
  font-size:12px;
  color:var(--c-muted);
  margin-top:2px;
}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--sh-1);}

.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  place-items:center;
  gap:3px;
}
.nav-toggle span{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:var(--c-primary-deep);
  color:#fff;
  box-shadow:0 8px 18px rgba(226,62,18,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 26px rgba(226,62,18,.3);
  filter:brightness(1.04);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:rgba(255,246,238,.08);
  color:var(--c-invert);
  border-color:rgba(255,246,238,.42);
}
.btn-ghost:hover{
  background:rgba(255,246,238,.18);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;
  border-color:var(--c-ink);
  color:var(--c-ink);
}
.btn-outline:hover{
  background:var(--c-ink);
  color:var(--c-invert);
  transform:translateY(-2px);
}
.btn-outline:active{transform:translateY(1px);}
.btn-accent{
  background:var(--c-accent);
  color:var(--c-ink);
  box-shadow:0 8px 18px rgba(200,241,53,.26);
}
.btn-accent:hover{
  transform:translateY(-2px);
  filter:brightness(1.04);
  box-shadow:0 14px 26px rgba(200,241,53,.32);
}
.btn-accent:active{transform:translateY(1px);box-shadow:none;}
.btn:disabled,
.btn[aria-disabled="true"]{
  opacity:.4;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}

/* ---------- 首屏横幅 ---------- */
.page-hero{
  position:relative;
  background-color:var(--c-ink);
  background-image:linear-gradient(150deg,rgba(23,19,15,.92),rgba(36,26,20,.62)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:var(--c-invert);
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:34px 0 48px;
  overflow:hidden;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-invert-soft);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--c-invert-soft);}
.breadcrumb a:hover{color:var(--c-invert);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb em{font-style:normal;color:var(--c-invert);}
.hero-grid{
  display:grid;
  grid-template-columns:1.45fr .85fr;
  gap:40px;
  align-items:end;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-primary-deep);
  background:#FFF0EA;
  border-radius:var(--r-pill);
  padding:5px 12px;
}
.page-hero .eyebrow{
  background:rgba(200,241,53,.16);
  color:var(--c-accent);
}
.hero-copy h1{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;
  line-height:1.22;
  margin:16px 0 14px;
  letter-spacing:-.01em;
}
.hero-sub{
  font-size:16px;
  color:var(--c-invert-soft);
  max-width:46ch;
  line-height:1.85;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  background:rgba(23,19,15,.5);
  border:1px solid rgba(255,246,238,.16);
  border-radius:var(--r-lg);
  padding:18px 14px;
}
.hero-stats div{text-align:center;}
.hero-stats strong{
  display:block;
  font-size:30px;
  font-weight:800;
  line-height:1.2;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
}
.hero-stats span{
  font-size:12px;
  color:var(--c-invert-soft);
}

/* ---------- 板块骨架 ---------- */
.section{padding:var(--gap-section) 0;}
.section + .section{padding-top:0;}
main > .section:first-of-type{padding-top:56px;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:36px;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
  line-height:1.35;
  margin-top:14px;
  letter-spacing:-.01em;
}
.sec-desc{
  max-width:38ch;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.85;
}

/* ---------- 上手准备 ---------- */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.prep-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.prep-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#DCCFC2;
}
.prep-icon{
  width:44px;
  height:44px;
  border-radius:var(--r-md);
  background:#FFF0EA;
  color:var(--c-primary-deep);
  display:grid;
  place-items:center;
}
.prep-card h3{
  font-size:19px;
  font-weight:700;
  margin:18px 0 8px;
}
.prep-card p{
  font-size:15px;
  line-height:1.9;
  color:var(--c-muted);
}
.prep-card ul{
  margin-top:14px;
  display:grid;
  gap:8px;
}
.prep-card li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--c-muted);
}
.prep-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:8px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}

/* ---------- 流程时间线 ---------- */
.timeline{display:grid;gap:16px;}
.step{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:22px;
  align-items:start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:26px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:#DCCFC2;
}
.step-num{
  font-size:42px;
  font-weight:800;
  line-height:1;
  color:rgba(255,90,46,.24);
  font-variant-numeric:tabular-nums;
}
.step-body h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:8px;
}
.step-body p{
  font-size:15px;
  color:var(--c-muted);
  line-height:1.9;
}
.step-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--c-surface-2);
  color:var(--c-ink);
  border:1px solid transparent;
  transition:border-color var(--t),color var(--t);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.tag.is-accent{
  background:var(--c-accent);
  color:var(--c-ink);
}
.tag.is-hot{
  background:rgba(255,59,107,.1);
  color:var(--c-hot);
}

/* ---------- 瀑布卡片 ---------- */
.waterfall{
  column-count:2;
  column-gap:20px;
}
.tile{
  break-inside:avoid;
  display:block;
  margin:0 0 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tile:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#DCCFC2;
}
.tile-media{
  position:relative;
  overflow:hidden;
  background:var(--c-surface-2);
  aspect-ratio:16 / 10;
}
.tile-media.is-portrait{
  aspect-ratio:4 / 5;
  max-height:360px;
}
.tile-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t);
}
.tile:hover .tile-media img{transform:scale(1.04);}
.tile-badge{
  position:absolute;
  left:12px;
  top:12px;
  font-size:12px;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(23,19,15,.72);
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
}
.tile-body{padding:20px 22px 24px;}
.tile-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:10px;
}
.tile-body p{
  font-size:15px;
  color:var(--c-muted);
  line-height:1.9;
}
.tile-list{
  margin-top:14px;
  display:grid;
  gap:8px;
  padding-top:14px;
  border-top:1px solid var(--c-line);
}
.tile-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--c-muted);
}
.tile-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:8px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.load-bar{
  margin-top:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:16px;
  padding:22px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-lg);
  background:var(--c-surface);
}
.load-bar p{
  font-size:14px;
  color:var(--c-muted);
}

/* ---------- 数字条 ---------- */
.stats-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.stat{
  padding:30px 18px;
  text-align:center;
}
.stat + .stat{border-left:1px solid var(--c-line);}
.stat strong{
  display:block;
  font-size:34px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat em{
  display:block;
  font-style:normal;
  font-size:13px;
  color:var(--c-muted);
  margin-top:6px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:10px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#DCCFC2;}
.faq-item.is-open{
  border-color:var(--c-primary);
  box-shadow:var(--sh-1);
}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:16px 20px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
}
.faq-q .arrow{
  flex-shrink:0;
  width:24px;
  height:24px;
  border-radius:50%;
  border:1px solid var(--c-line);
  display:grid;
  place-items:center;
  color:var(--c-muted);
  transition:transform var(--t),color var(--t),border-color var(--t);
}
.faq-item.is-open .faq-q .arrow{
  transform:rotate(180deg);
  color:var(--c-primary-deep);
  border-color:var(--c-primary);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms cubic-bezier(.2,.7,.3,1);
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-muted);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(160deg,#17130F,#241A14);
  color:var(--c-invert);
  border-radius:var(--r-xl);
  padding:42px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:24px;
}
.cta-band h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:800;
  line-height:1.4;
}
.cta-band p{
  font-size:15px;
  color:var(--c-invert-soft);
  margin-top:8px;
  max-width:44ch;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--gap-section);
  background:linear-gradient(160deg,#17130F,#241A14);
  color:var(--c-invert);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
}
.footer-about{
  margin:16px 0 18px;
  font-size:14px;
  line-height:1.9;
  color:var(--c-invert-soft);
  max-width:36ch;
}
.footer-social{display:flex;flex-wrap:wrap;gap:10px;}
.footer-social a{
  font-size:13px;
  padding:6px 14px;
  border:1px solid rgba(255,246,238,.24);
  border-radius:var(--r-pill);
  color:var(--c-invert-soft);
  transition:var(--t);
}
.footer-social a:hover{
  color:var(--c-invert);
  border-color:rgba(255,246,238,.6);
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:var(--c-invert-soft);
}
.footer-col a:hover{
  color:var(--c-invert);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-contact li{
  font-size:14px;
  color:var(--c-invert-soft);
  padding:5px 0;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,246,238,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:rgba(255,246,238,.6);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom .legal a{color:var(--c-invert-soft);}
.footer-bottom .legal a:hover{color:var(--c-invert);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--gap-section:64px;}
  .nav-main{
    position:fixed;
    top:68px;
    right:0;
    bottom:0;
    width:min(84vw,360px);
    background:var(--c-surface);
    border-left:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:20px;
    transform:translateX(102%);
    transition:transform var(--t);
    overflow-y:auto;
    z-index:75;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:var(--r-md);}
  .nav-toggle{display:grid;}
  .nav-mega{display:none;}
  .hero-grid{grid-template-columns:1fr;align-items:start;gap:30px;}
  .hero-stats{max-width:520px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  :root{--gap-section:48px;}
  .container{padding:0 16px;}
  .header-inner{gap:14px;}
  .brand-text{font-size:16px;}
  .brand-text{max-width:8em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .icon-btn{display:none;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .sec-desc{max-width:none;}
  .page-hero{padding:26px 0 36px;border-radius:0 0 var(--r-lg) var(--r-lg);}
  .hero-btns .btn{flex:1 1 auto;}
  .prep-grid{grid-template-columns:1fr;}
  .prep-card{padding:22px;}
  .step{grid-template-columns:1fr;gap:10px;padding:22px;}
  .step-num{font-size:34px;}
  .waterfall{column-count:1;}
  .tile-media.is-portrait{aspect-ratio:16 / 10;max-height:none;}
  .stats-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(3){border-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--c-line);}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .hero-copy h1{font-size:26px;}
  .hero-stats{padding:14px 10px;}
  .hero-stats strong{font-size:24px;}
  .stat strong{font-size:28px;}
  .faq-q{font-size:16px;}
  .mega-panel,.nav-mega{display:none;}
}