/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --ink:#17130F;
  --ink-2:#4A423C;
  --ink-3:#8B8078;
  --paper:#FDFAF6;
  --paper-tint:#FFF7F3;
  --surface:#FFFFFF;
  --line:#EDE4DA;
  --brand:#E2375A;
  --brand-deep:#B01F42;
  --accent:#F0A33B;
  --night:#1C1618;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-xl:20px;
  --radius-hero:28px;
  --sh-1:0 1px 2px rgba(23,19,15,.06);
  --sh-2:0 8px 24px rgba(23,19,15,.08);
  --sh-3:0 16px 40px rgba(226,55,90,.14);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Helvetica Neue",Arial,"PingFang SC",sans-serif;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --nav-h:68px;
}
/* ========== reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
body.drawer-open{overflow:hidden;}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;background:#F3ECE4;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(226,55,90,.16);}
/* ========== 布局容器 ========== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section--tint{background:var(--paper-tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--night{background:var(--night);color:#F6EFE9;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3;letter-spacing:-.3px;}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--ink-3);max-width:640px;}
.section--night .sub{color:#B9ABA3;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-family:var(--font-num);letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
.section--night .eyebrow{color:var(--accent);}
.section--night .eyebrow::before{background:var(--accent);}
/* ========== 顶部信息条 ========== */
.topbar{
  background:var(--night);color:#E8DED7;font-size:13px;height:36px;
  display:flex;align-items:center;overflow:hidden;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-marquee{flex:1;overflow:hidden;white-space:nowrap;mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);}
.topbar-track{display:inline-flex;gap:40px;animation:marquee 26s linear infinite;}
.topbar-track span{display:inline-flex;align-items:center;gap:8px;}
.topbar-track b{color:var(--accent);font-weight:600;font-family:var(--font-num);letter-spacing:.04em;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.topbar-marquee:hover .topbar-track{animation-play-state:paused;}
.topbar-link{
  display:inline-flex;align-items:center;gap:6px;color:#F6EFE9;font-weight:600;white-space:nowrap;
}
.topbar-link:hover{color:var(--accent);}
.topbar-link svg{width:14px;height:14px;transition:transform .2s ease;}
.topbar-link:hover svg{transform:translateX(3px);}
@media (prefers-reduced-motion:reduce){
  .topbar-track{animation:none;}
  html{scroll-behavior:auto;}
}
/* ========== 主导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,height .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(23,19,15,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);transition:height .25s ease;}
.site-header.is-stuck .nav-wrap{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.3px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:26px;height:26px;border-radius:8px;background:var(--brand);position:relative;flex:none;
  box-shadow:0 4px 12px rgba(226,55,90,.32);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 7px auto 7px;height:2px;border-radius:2px;background:#fff;
  box-shadow:0 5px 0 #fff,0 10px 0 rgba(255,255,255,.55);
}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink-2);border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;transition:transform .26s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-2);transition:all .2s ease;background:var(--surface);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(226,55,90,.4);box-shadow:var(--sh-1);}
.icon-btn svg{width:18px;height:18px;}
/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;border:1.5px solid transparent;
}
.btn svg{width:16px;height:16px;flex:none;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(226,55,90,.24);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(226,55,90,.3);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-outline:active{transform:scale(.98);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--accent);color:var(--ink);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;
}
.btn-text svg{width:15px;height:15px;transition:transform .2s ease;}
.btn-text:hover{color:var(--brand-deep);}
.btn-text:hover svg{transform:translateX(4px);}
.nav-toggle{display:none;}
/* ========== Hero ========== */
.hero{position:relative;padding:72px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,163,59,.16),rgba(240,163,59,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-240px;left:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,55,90,.12),rgba(226,55,90,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero-copy .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(226,55,90,.08);color:var(--brand);border:1px solid rgba(226,55,90,.16);
}
.badge--accent{background:rgba(240,163,59,.14);color:#9A6414;border-color:rgba(240,163,59,.28);}
.badge--dark{background:rgba(255,255,255,.12);color:#F6EFE9;border-color:rgba(255,255,255,.18);}
.hero h1{
  font-size:clamp(28px,4.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:18px;font-size:18px;color:var(--ink-2);max-width:440px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;font-size:13.5px;color:var(--ink-3);}
.hero-tags li{display:inline-flex;align-items:center;gap:10px;}
.hero-tags li+li::before{content:"·";color:var(--line);margin-right:10px;}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:var(--radius-hero);overflow:hidden;background:#EFE6DD;
  aspect-ratio:3/4;max-width:520px;margin-left:auto;box-shadow:var(--sh-2);
  border:1px solid var(--line);
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,0) 44%,rgba(23,19,15,.62) 100%);
}
.hero-frame-caption{
  position:absolute;left:22px;right:22px;bottom:22px;color:#fff;z-index:2;
}
.hero-frame-caption strong{display:block;font-size:18px;font-weight:700;line-height:1.4;}
.hero-frame-caption span{font-size:13px;color:rgba(255,255,255,.78);}
.play-btn{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:3;
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(23,19,15,.28);
  transition:transform .22s ease,background .22s ease;
}
.play-btn svg{width:20px;height:20px;fill:var(--brand);margin-left:3px;}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);background:#fff;}
.duration-pill{
  position:absolute;right:18px;top:18px;z-index:3;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(23,19,15,.72);color:#fff;font-size:12.5px;font-family:var(--font-num);letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:6px;backdrop-filter:blur(4px);
}
.duration-pill svg{width:12px;height:12px;fill:var(--accent);}
.float-card{
  position:absolute;left:-8px;bottom:34px;z-index:4;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:14px 18px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:12px;
}
.float-card .num{font-family:var(--font-num);font-size:24px;font-weight:800;color:var(--brand);letter-spacing:-.5px;}
.float-card .txt{font-size:12.5px;color:var(--ink-3);line-height:1.5;}
/* ========== 爆款片段横滑 ========== */
.reel-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 22px;
  margin:0 -20px;scrollbar-width:none;
}
.reel-track::-webkit-scrollbar{display:none;}
.reel-card{
  flex:0 0 278px;scroll-snap-align:start;border-radius:var(--radius-xl);overflow:hidden;position:relative;
  aspect-ratio:3/4;background:#EFE6DD;border:1px solid var(--line);
  transition:transform .26s ease,box-shadow .26s ease;
}
.reel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.reel-card:hover img{transform:scale(1.04);}
.reel-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:52%;
  background:linear-gradient(180deg,rgba(23,19,15,0) 0%,rgba(23,19,15,.78) 100%);
}
.reel-card .reel-badge{
  position:absolute;left:14px;top:14px;z-index:2;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
}
.reel-card .reel-dur{
  position:absolute;right:14px;bottom:14px;z-index:2;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(240,163,59,.92);color:#3A2404;font-size:12px;font-family:var(--font-num);letter-spacing:.04em;
  display:inline-flex;align-items:center;
}
.reel-card .reel-play{
  position:absolute;left:50%;bottom:58px;transform:translateX(-50%);z-index:2;
  width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.86);
  display:flex;align-items:center;justify-content:center;
}
.reel-card .reel-play svg{width:14px;height:14px;fill:var(--brand);margin-left:2px;}
.reel-card .reel-title{
  position:absolute;left:16px;right:16px;bottom:46px;z-index:2;color:#fff;font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
/* ========== 种草清单 ========== */
.rank-list{border-top:1px solid var(--line);}
.rank-item{display:flex;gap:20px;align-items:center;padding:20px 16px;border-bottom:1px solid var(--line);transition:background .2s ease;}
.rank-item:hover{background:var(--paper-tint);}
.rank-no{
  font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--accent);letter-spacing:-.5px;
  width:48px;flex:none;
}
.rank-thumb{width:96px;height:96px;border-radius:var(--radius-md);object-fit:cover;flex:none;}
.rank-body{flex:1;min-width:0;}
.rank-body h3{font-size:18px;font-weight:700;line-height:1.4;}
.rank-body p{margin-top:6px;font-size:14px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;color:var(--ink-2);background:#F6EFE8;border:1px solid var(--line);
}
.rank-cta{flex:none;}
@media (max-width:640px){
  .rank-cta{display:none;}
}
/* ========== 数据条 ========== */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kpi-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.kpi-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(226,55,90,.24);}
.kpi-num{font-family:var(--font-num);font-size:34px;font-weight:800;letter-spacing:-.5px;color:var(--ink);line-height:1.1;}
.kpi-num span{font-size:16px;color:var(--ink-3);font-weight:600;margin-left:4px;}
.kpi-label{margin-top:8px;font-size:14px;color:var(--ink-2);font-weight:600;}
.kpi-desc{margin-top:6px;font-size:12.5px;color:var(--ink-3);}
/* ========== CMS 列表卡片 ========== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px;box-shadow:var(--sh-1);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.post-card:hover{border-color:rgba(226,55,90,.34);box-shadow:var(--sh-2);transform:translateY(-3px);}
.post-badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(226,55,90,.08);color:var(--brand);font-size:12.5px;font-weight:700;margin-bottom:14px;
}
.post-title{font-size:18px;font-weight:700;line-height:1.5;}
.post-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--ink);}
.post-title a:hover{color:var(--brand);}
.post-excerpt{margin-top:10px;font-size:14px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.post-foot time{font-size:12.5px;color:var(--ink-3);font-family:var(--font-num);letter-spacing:.04em;}
.empty-state{
  border:1px dashed #DCCFC3;border-radius:var(--radius-lg);background:var(--surface);
  padding:56px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;margin:0 auto 16px;fill:#D9CCC0;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:18px;}
/* ========== 口碑条 ========== */
.section--night .testi-stat{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:28px;
}
.section--night .testi-stat b{font-family:var(--font-num);font-size:38px;font-weight:800;color:var(--accent);letter-spacing:-.5px;}
.section--night .testi-stat span{font-size:14px;color:#B9ABA3;}
.testi-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:16px;
  scrollbar-width:none;
}
.testi-track::-webkit-scrollbar{display:none;}
.testi-card{
  flex:0 0 320px;scroll-snap-align:start;background:#FFF9F5;border-radius:var(--radius-lg);
  padding:22px;border:1px solid rgba(255,255,255,.08);
}
.testi-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#F6C9D3,#F3DFC2);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#8A5766;flex:none;
}
.testi-head strong{display:block;font-size:14px;color:var(--ink);font-weight:700;}
.testi-head em{font-style:normal;font-size:12px;color:var(--ink-3);}
.stars{display:flex;gap:2px;margin-bottom:10px;}
.stars svg{width:14px;height:14px;fill:var(--accent);}
.testi-card p{font-size:14.5px;color:var(--ink-2);line-height:1.7;}
/* ========== FAQ ========== */
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease;
}
.faq-q:hover{background:var(--paper-tint);}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:transform .28s ease,background .2s ease,border-color .2s ease;
}
.faq-icon svg{width:12px;height:12px;stroke:var(--brand);stroke-width:2.4;fill:none;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(226,55,90,.08);border-color:rgba(226,55,90,.3);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
/* ========== 底部 CTA ========== */
.cta-band{
  position:relative;border-radius:var(--radius-hero);overflow:hidden;background:var(--night);color:#F6EFE9;
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,55,90,.34),rgba(226,55,90,0) 68%);
}
.cta-band h2{position:relative;font-size:28px;font-weight:700;line-height:1.35;max-width:520px;}
.cta-band p{position:relative;margin-top:12px;font-size:14.5px;color:#B9ABA3;max-width:520px;}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;}
/* ========== 表单 ========== */
.field{margin-top:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.input{
  width:100%;height:46px;padding:0 16px;border-radius:var(--radius-md);border:1px solid var(--line);
  background:var(--surface);transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.input{height:auto;min-height:104px;padding:12px 16px;line-height:1.7;resize:vertical;}
.input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px rgba(226,55,90,.12);}
.input.has-error{border-color:#D33A3A;box-shadow:0 0 0 4px rgba(211,58,58,.1);}
.form-hint{font-size:12px;color:#D33A3A;margin-top:6px;}
.form-ok{
  margin-top:16px;padding:12px 16px;border-radius:var(--radius-md);
  background:#EAF7EE;color:#1E6B3A;font-size:14px;border:1px solid #C7E6D2;
}
/* ========== 页脚 ========== */
.site-footer{background:var(--night);color:#C9BDB6;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .logo{color:#F6EFE9;}
.footer-brand .logo:hover{color:#F6EFE9;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.8;color:#9C8F88;max-width:300px;}
.footer-col h3{font-size:14px;font-weight:700;color:#F6EFE9;margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:#C9BDB6;}
.footer-col a:hover{color:var(--accent);}
.footer-col .meta{font-size:13.5px;color:#9C8F88;line-height:1.9;}
.footer-col .meta b{color:#F6EFE9;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:#877B74;
}
/* ========== 移动端抽屉 ========== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,19,15,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:var(--surface);z-index:91;
  transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-links li{border-bottom:1px solid var(--line);}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;font-size:16px;font-weight:600;}
.drawer-links a.is-active{color:var(--brand);}
.drawer-links a svg{width:14px;height:14px;stroke:var(--ink-3);stroke-width:2;fill:none;}
.drawer-tip{margin:22px 0;padding:16px;border-radius:var(--radius-md);background:var(--paper-tint);font-size:13px;color:var(--ink-2);line-height:1.7;}
/* ========== 移动端吸底 ========== */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;height:60px;
  padding:0 16px calc(env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(8px);align-items:center;justify-content:space-between;gap:12px;
}
.mobile-bar .tip{font-size:12.5px;color:var(--ink-3);}
.mobile-bar .tip b{display:block;font-size:13.5px;color:var(--ink);font-weight:700;}
/* ========== 响应式 ========== */
@media (max-width:1199px){
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-frame{max-width:100%;margin:0;}
  .hero-sub{max-width:none;}
  .float-card{left:auto;right:16px;bottom:16px;}
  .cta-band{padding:44px 32px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:24px;}
  .post-grid{grid-template-columns:1fr;}
  .kpi-grid{grid-template-columns:1fr;gap:14px;}
  .rank-item{gap:14px;padding:16px 8px;}
  .rank-thumb{width:76px;height:76px;}
  .rank-no{width:34px;font-size:20px;}
  .reel-card{flex:0 0 232px;}
  .testi-card{flex:0 0 268px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-band{padding:32px 22px;border-radius:var(--radius-xl);}
  .cta-band h2{font-size:22px;}
  .hero-actions .btn{flex:1 1 auto;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .float-card{display:none;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .reel-track{padding-left:16px;padding-right:16px;margin:0 -16px;}
  .footer-grid{grid-template-columns:1fr;}
  .kpi-num{font-size:28px;}
  .topbar{font-size:12px;}
}

/* roulang page: article */
/* ================= 设计变量 ================= */
:root{
  --ink:#17130F;
  --ink-2:#4A423C;
  --ink-3:#8B8078;
  --paper:#FDFAF6;
  --surface:#FFFFFF;
  --line:#EDE4DA;
  --brand:#E2375A;
  --brand-deep:#B01F42;
  --brand-soft:rgba(226,55,90,.08);
  --accent:#F0A33B;
  --night:#1C1618;
  --night-2:#2A2226;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-hero:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,19,15,.06);
  --sh-2:0 8px 24px rgba(23,19,15,.08);
  --sh-3:0 16px 40px rgba(226,55,90,.14);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Helvetica Neue",Arial,sans-serif;
  --header-h:68px;
}
/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(226,55,90,.18)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ================= 顶部信息条 ================= */
.info-bar{background:var(--night);color:rgba(255,255,255,.78);font-size:13px}
.info-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.info-scroll{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;letter-spacing:.01em}
.info-cta{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:600;flex:none}
.info-cta:hover{color:var(--accent)}
.info-cta i{font-style:normal;transition:transform .2s ease}
.info-cta:hover i{transform:translateX(4px)}

/* ================= 主导航 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(10px);
  transition:box-shadow .25s ease;
}
.site-header.is-shrink{box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--header-h);transition:height .25s ease}
.site-header.is-shrink .nav-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo-mark{width:12px;height:12px;border-radius:3px;background:var(--brand);box-shadow:6px 0 0 -2px var(--accent)}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--ink-2);border-radius:var(--r-pill);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-2);transition:.2s ease;
}
.icon-btn:hover{border-color:rgba(226,55,90,.5);color:var(--brand);box-shadow:var(--sh-1)}
.icon-btn:active{transform:scale(.96)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;place-items:center;color:var(--ink)}
.nav-toggle:hover{border-color:rgba(226,55,90,.5);color:var(--brand)}

/* 搜索面板 */
.search-panel{
  max-height:0;overflow:hidden;border-top:1px solid transparent;background:#fff;
  transition:max-height .28s ease,border-color .28s ease;
}
.search-panel.is-open{max-height:96px;border-top-color:var(--line)}
.search-form{display:flex;gap:12px;padding:18px 0}
.search-form input{
  flex:1;height:46px;padding:0 16px;font-size:15px;font-family:var(--font-sans);
  border:1px solid var(--line);border-radius:var(--r-sm);background:#FDFBF8;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(226,55,90,.12)}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,19,15,.45);opacity:0;pointer-events:none;
  transition:opacity .28s ease;z-index:78;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s ease;
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:20px;line-height:1;color:var(--ink-2);display:grid;place-items:center}
.drawer-close:hover{color:var(--brand);border-color:rgba(226,55,90,.5)}
.drawer-nav{display:grid;gap:6px}
.drawer-link{
  padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);
  border:1px solid transparent;transition:.2s ease;
}
.drawer-link:hover,.drawer-link:focus-visible{background:#FFF7F3;color:var(--brand);border-color:rgba(226,55,90,.18)}
.drawer-link.is-active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.drawer-cta{margin-top:auto}
.drawer-note{font-size:12px;color:var(--ink-3);letter-spacing:.02em}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(226,55,90,.22)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{background:#FFF1F4;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.btn-text i{font-style:normal;transition:transform .2s ease}
.btn-text:hover i{transform:translateX(4px)}

/* ================= 面包屑 ================= */
.crumbs{padding:22px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";opacity:.55}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--ink-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ================= 文章头 ================= */
.article-head{padding:22px 0 34px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.article-head h1{
  font-size:clamp(28px,4.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;
  margin:16px 0 18px;max-width:920px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:13px;color:var(--ink-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.meta-row .author{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2)}
.avatar{
  width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));
  display:grid;place-items:center;color:#fff;font-size:11px;font-weight:700;letter-spacing:.02em;
}
.article-cover{
  margin-top:26px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/9;background:#F4EEE7;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ================= 正文布局 ================= */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;
  padding:44px 0 72px;align-items:start;
}
.article-main{max-width:760px;min-width:0}

/* ================= 正文排版 ================= */
.article-body{font-size:16px;line-height:1.85;color:var(--ink-2);word-break:break-word}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:26px;color:var(--ink);margin:2em 0 .8em;padding-left:14px;line-height:1.35;
  border-left:3px solid var(--brand);
}
.article-body h3{
  font-size:20px;color:var(--ink);margin:1.6em 0 .6em;padding-left:12px;line-height:1.4;
  border-left:3px solid var(--accent);
}
.article-body h4{font-size:17px;color:var(--ink);margin:1.4em 0 .5em}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(226,55,90,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:12px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:#FBF4EC;border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em}
.article-body li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:li}
.article-body ol>li{counter-increment:li}
.article-body ol>li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.15em;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.04em;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#FBF7F2;color:var(--ink);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{
  font-family:var(--font-num);font-size:14px;background:#FBF4EC;color:var(--brand-deep);
  padding:2px 6px;border-radius:6px;
}

/* 空态 */
.empty-state{
  margin:8px 0 0;padding:56px 24px;text-align:center;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;background:var(--brand-soft);
  display:grid;place-items:center;color:var(--brand);
}
.empty-state .empty-title{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px}
.empty-state .empty-tip{font-size:14px;color:var(--ink-3);margin-bottom:22px}

/* 文末标签与分享 */
.article-foot{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);transition:.2s ease;
}
.tag:hover{border-color:rgba(226,55,90,.5);color:var(--brand)}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.share-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-2);transition:.2s ease;
}
.share-btn:hover{border-color:rgba(226,55,90,.5);color:var(--brand);transform:translateY(-2px)}

/* ================= 侧栏 ================= */
.sidebar{position:sticky;top:calc(var(--header-h) + 20px);display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h2{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.01em}
.side-nav{display:grid;gap:4px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-2);transition:.2s ease;
}
.side-nav a i{font-style:normal;color:var(--ink-3);transition:transform .2s ease,color .2s ease}
.side-nav a:hover{background:#FFF7F3;color:var(--brand)}
.side-nav a:hover i{color:var(--brand);transform:translateX(3px)}
.tips{display:grid;gap:16px}
.tip{display:flex;gap:12px;font-size:14px;line-height:1.65;color:var(--ink-2)}
.tip b{font-family:var(--font-num);font-size:15px;color:var(--accent);letter-spacing:.04em;flex:none}

/* ================= 通用板块 ================= */
.section{padding:72px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.3px}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:10px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* 相关卡片 */
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(226,55,90,.32);box-shadow:var(--sh-2)}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#F4EEE7}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.45}
.rel-card p{font-size:14px;line-height:1.7;color:var(--ink-3)}
.rel-card .rel-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand)}

/* CTA 条 */
.cta-band{
  background:var(--night);color:#fff;border-radius:var(--r-hero);
  padding:44px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,55,90,.28),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,3vw,30px);color:#fff;letter-spacing:-.3px;position:relative}
.cta-band p{font-size:14px;color:rgba(255,255,255,.68);margin-top:12px;max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative}

/* ================= 页脚 ================= */
.site-footer{
  background:var(--night);color:rgba(255,255,255,.7);font-size:14px;
  border-top:1px solid rgba(255,255,255,.08);padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .logo{color:#fff}
.footer-brand p{margin-top:16px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--accent)}
.footer-col .meta{line-height:1.9;color:rgba(255,255,255,.62)}
.footer-col .meta b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ================= 移动端吸底 ================= */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(23,19,15,.07);
}
.mobile-bar p{font-size:13px;color:var(--ink-2);line-height:1.4}
.mobile-bar p b{display:block;font-size:14px;color:var(--ink)}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  .article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 290px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-toggle{display:grid}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-bottom:56px}
  .sidebar{position:static}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-bottom:74px}
  .info-scroll{display:none}
  .info-inner{justify-content:flex-end}
  .article-head{padding:18px 0 26px}
  .article-layout{padding-top:32px}
  .grid-3{grid-template-columns:1fr}
  .section{padding:52px 0}
  .cta-band{padding:28px;border-radius:var(--r-lg)}
  .mobile-bar{display:flex}
  .article-foot{flex-direction:column;align-items:flex-start}
  .crumbs .current{max-width:220px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo{font-size:18px}
  .nav-actions .btn{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .btn{height:44px;padding:0 20px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
.faq-body{max-height:none !important}.nav-menu{display:flex !important}

:root{
  --ink:#17130F;
  --ink-2:#4A423C;
  --ink-3:#8B8078;
  --paper:#FDFAF6;
  --surface:#FFFFFF;
  --line:#EDE4DA;
  --line-soft:#F5EEE6;
  --brand:#E2375A;
  --brand-deep:#B01F42;
  --brand-tint:rgba(226,55,90,.08);
  --accent:#F0A33B;
  --night:#1C1618;
  --ok:#2F9E6B;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-hero:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(23,19,15,.06);
  --shadow-card:0 8px 24px rgba(23,19,15,.08);
  --shadow-hover:0 16px 40px rgba(226,55,90,.14);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;background:#EFE7DE}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:12px;top:12px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:30px;font-weight:800;line-height:1.25;letter-spacing:-.4px}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:8px;max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--brand);font-weight:700;margin-bottom:12px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand);border-radius:2px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* 顶部信息条 */
.topbar{background:var(--night);color:#CFC6C0;font-size:12.5px;height:36px;display:flex;align-items:center;overflow:hidden}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{overflow:hidden;flex:1;min-width:0}
.ticker{display:inline-flex;gap:40px;white-space:nowrap;animation:ticker 28s linear infinite}
.ticker span{opacity:.82}
.ticker span b{color:#fff;font-weight:600}
.topbar:hover .ticker{animation-play-state:paused}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.topbar-link{color:var(--accent);font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.topbar-link:hover{color:#FFC978}
.topbar-link span{transition:transform .2s}
.topbar-link:hover span{transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.ticker{animation:none}}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s,height .2s}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(23,19,15,.08)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.site-header.is-stuck .nav-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.3px;white-space:nowrap}
.logo-mark{width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--accent));transform:rotate(12deg);display:inline-block}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:10px}
.nav-link{position:relative;padding:9px 12px;font-size:15px;color:var(--ink-2);border-radius:var(--r-sm);transition:color .2s}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);transition:border-color .2s,color .2s,background .2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-tint)}
.hamburger{display:none;width:44px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);place-items:center;gap:4px;flex-direction:column}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .25s}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(23,19,15,.45);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:84%;max-width:360px;height:100%;background:var(--surface);z-index:90;padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .3s ease;box-shadow:-12px 0 32px rgba(23,19,15,.14)}
.drawer.is-open{transform:translateX(0)}
.drawer h3{font-size:13px;letter-spacing:.08em;color:var(--ink-3);margin:20px 0 12px;font-weight:600}
.drawer-menu a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line-soft);color:var(--ink-2)}
.drawer-menu a.is-active{color:var(--brand);font-weight:700}
.drawer-menu a:hover{color:var(--brand)}
.drawer .btn{margin-top:20px;width:100%}
.drawer-note{font-size:13px;color:var(--ink-3);margin-top:16px;line-height:1.7}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  border:1.5px solid transparent;transition:transform .2s,background .2s,color .2s,box-shadow .2s,border-color .2s;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(226,55,90,.22)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(226,55,90,.28)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:var(--surface);border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);border-color:#fff}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.btn-text span{transition:transform .2s}
.btn-text:hover span{transform:translateX(4px)}

/* 徽章 / 标签 */
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--brand-tint);color:var(--brand)}
.chip-accent{background:rgba(240,163,59,.16);color:#9A6412}
.chip-glass{background:rgba(23,19,15,.62);color:#fff;backdrop-filter:blur(4px)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:12px;color:var(--ink-2);background:var(--surface)}

/* 面包屑 */
.crumb{padding:20px 0 16px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb li+li::before{content:"/";margin-right:8px;color:var(--line)}
.crumb a:hover{color:var(--brand)}

/* 分类页头 */
.cat-hero{position:relative;border-radius:var(--r-hero);overflow:hidden;min-height:430px;display:flex;align-items:flex-end;background:#221B18;color:#fff}
.cat-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,.18) 0%,rgba(23,19,15,.62) 58%,rgba(23,19,15,.88) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding:44px;max-width:720px}
.cat-hero h1{font-size:clamp(28px,4.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;margin:14px 0 12px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(240,163,59,.2);border:1px solid rgba(240,163,59,.55);color:#FFD79A;font-size:13px;font-weight:600}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* KPI 条 */
.kpi-band{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-top:24px;overflow:hidden;box-shadow:var(--shadow-1)}
.kpi{padding:24px 26px;border-right:1px solid var(--line)}
.kpi:last-child{border-right:0}
.kpi-num{font-family:"Helvetica Neue",Arial,sans-serif;font-size:30px;font-weight:800;letter-spacing:.01em;color:var(--ink);line-height:1.2}
.kpi-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--ink-3);margin-left:4px}
.kpi-label{font-size:13px;color:var(--ink-3);margin-top:6px}

/* 片段轨道 */
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.clip-card{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#E9E0D7;color:#fff;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s;display:block}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rail .clip-card{flex:0 0 280px;aspect-ratio:3/4;scroll-snap-align:start}
.clip-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.clip-card:hover img{transform:scale(1.04)}
.clip-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,.16) 0%,rgba(23,19,15,.05) 36%,rgba(23,19,15,.8) 100%)}
.clip-badge{position:absolute;top:12px;left:12px;z-index:3}
.clip-dur{position:absolute;top:12px;right:12px;z-index:3;font-family:"Helvetica Neue",Arial,sans-serif;font-size:12px;font-weight:700;letter-spacing:.04em;padding:4px 9px;border-radius:var(--r-pill);background:rgba(240,163,59,.92);color:#3A2506}
.clip-play{position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;z-index:3;transition:transform .25s,background .25s}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.08);background:#fff}
.clip-play svg{margin-left:3px}
.clip-body{position:absolute;left:0;right:0;bottom:0;padding:18px 16px 18px;z-index:3}
.clip-title{font-size:16px;font-weight:700;line-height:1.42;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-meta{font-size:12px;color:rgba(255,255,255,.78);margin-top:8px;display:flex;align-items:center;gap:8px;letter-spacing:.02em}

/* 片段网格 */
.clip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.clip-grid .clip-card{aspect-ratio:4/3}
.clip-grid .clip-card:hover{transform:translateY(-4px)}

/* 时间线 */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line);border-radius:2px}
.tl-item{position:relative;padding:18px 0}
.tl-item+.tl-item{border-top:1px solid var(--line-soft)}
.tl-item::before{content:"";position:absolute;left:-30px;top:26px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:2px solid var(--brand)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.tl-time{font-family:"Helvetica Neue",Arial,sans-serif;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--brand)}
.tl-title{font-size:17px;font-weight:700}
.tl-desc{font-size:14px;color:var(--ink-2);margin-top:6px;max-width:720px}

/* 表格感清单 */
.spec-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.spec-row{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:20px 24px;align-items:start}
.spec-row+.spec-row{border-top:1px solid var(--line-soft)}
.spec-key{font-size:14px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.spec-key i{width:6px;height:6px;border-radius:2px;background:var(--accent);display:inline-block;font-style:normal}
.spec-val{font-size:14.5px;color:var(--ink-2)}
.two-col{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:start}

/* 口碑条 */
.voices{background:var(--night);color:#F3EDE8;padding:72px 0}
.voices .section-head h2{color:#fff}
.voices .section-head p{color:rgba(243,237,232,.66)}
.voice-stat{font-size:15px;color:rgba(243,237,232,.72)}
.voice-stat b{font-family:"Helvetica Neue",Arial,sans-serif;font-size:26px;color:var(--accent);letter-spacing:.02em;margin-right:6px}
.voice-rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;scrollbar-width:none}
.voice-rail::-webkit-scrollbar{display:none}
.voice-card{flex:0 0 300px;scroll-snap-align:start;background:#fff;color:var(--ink);border-radius:var(--r-card);padding:22px}
.voice-top{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px}
.voice-name{font-size:15px;font-weight:700}
.voice-time{font-size:12px;color:var(--ink-3)}
.stars{margin:14px 0 8px;color:var(--accent);letter-spacing:2px;font-size:14px}
.voice-text{font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* FAQ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:22px 24px;font-size:16px;font-weight:600;transition:background .2s,color .2s}
.faq-q:hover{background:#FFF7F3;color:var(--brand)}
.faq-sign{flex:0 0 28px;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-size:18px;line-height:1;transition:transform .28s,background .2s,border-color .2s}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:var(--brand-tint);border-color:var(--brand)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.is-open .faq-body{max-height:340px}
.faq-body-inner{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);max-width:860px}

/* CTA 条 */
.cta-band{position:relative;border-radius:var(--r-hero);overflow:hidden;background:var(--night);color:#fff;padding:56px;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.cta-band::before{content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(226,55,90,.32),rgba(226,55,90,0) 68%)}
.cta-band h2{position:relative;font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.4px}
.cta-band p{position:relative;color:rgba(255,255,255,.76);margin-top:12px;font-size:15px;max-width:560px}
.cta-actions{position:relative;display:flex;flex-direction:column;gap:14px}
.cta-actions .btn{width:100%}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.6);text-align:center}

/* 页脚 */
.site-footer{background:var(--night);color:rgba(243,237,232,.78);border-top:1px solid rgba(255,255,255,.08);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(243,237,232,.7);max-width:320px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(243,237,232,.72);transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-col .meta{font-size:14px;line-height:1.9;color:rgba(243,237,232,.72)}
.footer-col .meta b{color:#fff;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:22px 0 32px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(243,237,232,.56)}

/* 移动吸底 */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(28,22,24,.96);backdrop-filter:blur(8px);border-top:1px solid rgba(255,255,255,.1);padding:8px 16px calc(8px + env(safe-area-inset-bottom));align-items:center;gap:14px}
.mobile-bar p{color:rgba(255,255,255,.82);font-size:13px;flex:1;line-height:1.4}
.mobile-bar .btn{flex:0 0 auto}

/* 响应式 */
@media (max-width:1199px){
  .clip-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:44px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .hamburger{display:flex}
  .section{padding:64px 0}
  .cat-hero{min-height:380px}
  .cat-hero-inner{padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .topbar-left{display:none}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:24px}
  .section-head h2{font-size:23px}
  .kpi-band{grid-template-columns:1fr}
  .kpi{border-right:0;border-bottom:1px solid var(--line)}
  .kpi:last-child{border-bottom:0}
  .clip-grid{grid-template-columns:1fr}
  .rail .clip-card{flex:0 0 240px}
  .cat-hero{min-height:340px;border-radius:var(--r-lg)}
  .cat-hero-inner{padding:24px}
  .hero-sub{font-size:15px}
  .cta-band{padding:32px 24px;border-radius:var(--r-lg)}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:18px 20px}
  .mobile-bar{display:flex}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo{font-size:17px}
  .btn{height:44px;padding:0 20px}
  .voice-card{flex:0 0 260px}
  .hero-actions .btn{flex:1 1 auto}
}

/* roulang page: category2 */
:root{
  --ink:#17130F;
  --ink-2:#4A423C;
  --ink-3:#8B8078;
  --paper:#FDFAF6;
  --surface:#FFFFFF;
  --line:#EDE4DA;
  --brand:#E2375A;
  --brand-deep:#B01F42;
  --brand-soft:rgba(226,55,90,.08);
  --accent:#F0A33B;
  --teal:#2F7A72;
  --night:#1C1618;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Helvetica Neue",Arial,sans-serif;
  --r-sm:8px;
  --r:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(23,19,15,.06);
  --shadow-2:0 8px 24px rgba(23,19,15,.08);
  --shadow-3:0 16px 40px rgba(226,55,90,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);letter-spacing:.04em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,3vw,32px);font-weight:700;letter-spacing:-.4px;line-height:1.28}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:10px;max-width:640px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--night);color:rgba(255,255,255,.72);font-size:12.5px;height:36px;display:flex;align-items:center;overflow:hidden}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-marquee{flex:1;overflow:hidden;white-space:nowrap}
.topbar-track{display:inline-flex;gap:36px;animation:ticker 30s linear infinite}
.topbar-track span{display:inline-flex;align-items:center;gap:8px}
.topbar-track b{color:#fff;font-weight:600}
.topbar:hover .topbar-track{animation-play-state:paused}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.topbar-cta{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;flex:none}
.topbar-cta svg{transition:transform .2s ease}
.topbar-cta:hover{color:#fff}
.topbar-cta:hover svg{transform:translateX(4px)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:var(--shadow-2)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;transition:height .25s ease}
.site-header.is-stuck .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.4px;color:var(--ink);flex:none}
.logo-mark{position:relative;width:16px;height:16px;border-radius:5px;background:var(--brand);flex:none}
.logo-mark::after{content:"";position:absolute;right:-4px;bottom:-4px;width:8px;height:8px;border-radius:3px;background:var(--accent)}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{position:relative;padding:8px 0;font-size:15px;color:var(--ink-2);transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--brand);transition:width .25s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{width:100%}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);background:#fff;transition:border-color .2s,color .2s,transform .2s,box-shadow .2s}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;background:#fff}
.hamburger span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.search-panel{display:none;border-top:1px solid var(--line);background:#fff}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:12px;padding:16px 0}
.search-input{flex:1;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--paper);padding:0 16px;transition:border-color .2s,box-shadow .2s}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(226,55,90,.12)}
.search-hint{font-size:12.5px;color:var(--ink-3);padding-bottom:14px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 16px 40px rgba(226,55,90,.24)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--night);color:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:#fff;color:var(--brand)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:color .2s}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover{color:var(--brand-deep)}
.btn-text:hover svg{transform:translateX(4px)}
.btn-text.is-done{color:var(--teal)}

/* ---------- 页头 ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:44px 0 52px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--line)}
.page-head-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;margin-top:22px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:6px 14px;border-radius:var(--r-pill)}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
h1{font-size:clamp(28px,4.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;margin:18px 0 16px}
.lead{font-size:16px;color:var(--ink-2);max-width:520px}
.lead-b{font-size:17px;color:var(--ink);font-weight:600;max-width:520px;line-height:1.6}
.head-note{font-size:13.5px;color:var(--ink-3);margin-top:14px}
.head-figure{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);aspect-ratio:16/11;background:#fff}
.head-figure img{width:100%;height:100%;object-fit:cover}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:40px}
.kpi-item{background:#fff;padding:20px 24px}
.kpi-num{font-family:var(--font-num);font-size:28px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.kpi-num em{font-style:normal;font-size:14px;color:var(--brand);margin-left:3px}
.kpi-label{font-size:13px;color:var(--ink-3);margin-top:4px}

/* ---------- 编号清单 ---------- */
.pick-list{border-top:1px solid var(--line)}
.pick-row{display:grid;grid-template-columns:78px 132px minmax(0,1fr) 150px;gap:24px;align-items:center;padding:26px 10px;border-bottom:1px solid var(--line);border-radius:14px;transition:background .2s ease}
.pick-row:hover{background:#FFF7F3}
.pick-row[hidden]{display:none}
.pick-num{font-family:var(--font-num);font-size:38px;font-weight:800;color:var(--brand);letter-spacing:-.03em;line-height:1}
.pick-thumb{aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--paper)}
.pick-thumb img{width:100%;height:100%;object-fit:cover}
.pick-title{font-size:18px;font-weight:700;letter-spacing:-.2px;line-height:1.45}
.pick-desc{font-size:14px;color:var(--ink-2);margin-top:6px}
.pick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{font-size:12.5px;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 12px}
.tag-brand{color:var(--brand);background:var(--brand-soft);border-color:transparent;font-weight:600}
.tag-teal{color:var(--teal);background:rgba(47,122,114,.09);border-color:transparent;font-weight:600}
.pick-cta{justify-self:end;text-align:right}
.empty{display:none;border:1.5px dashed var(--line);border-radius:var(--r);padding:48px 24px;text-align:center;color:var(--ink-3);margin-top:28px;background:#fff}
.empty.is-on{display:block}
.empty strong{display:block;color:var(--ink);font-size:17px;margin-bottom:8px}
.empty .btn{margin-top:18px}

/* ---------- 预算分档 ---------- */
.budget{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.budget-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.budget-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.budget-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(226,55,90,.3)}
.budget-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.budget-card h3{font-size:18px;font-weight:700}
.budget-price{font-family:var(--font-num);font-size:20px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.budget-card p{font-size:14px;color:var(--ink-2);margin-top:12px}
.bar{height:8px;background:#F3EBE3;border-radius:var(--r-pill);overflow:hidden;margin-top:18px}
.bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--brand)}
.bar i.alt{background:var(--accent)}
.bar i.teal{background:var(--teal)}
.bar-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-3);margin-top:8px}

/* ---------- 使用流程 ---------- */
.steps{max-width:880px}
.step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:24px;padding-bottom:36px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:25px;top:58px;bottom:6px;width:2px;background:var(--line)}
.step:last-child::before{display:none}
.step-num{width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:800;font-size:16px;position:relative;z-index:1}
.step-body h3{font-size:18px;font-weight:700;margin-bottom:6px}
.step-body p{font-size:14.5px;color:var(--ink-2);max-width:620px}

/* ---------- 口碑 ---------- */
.voices{background:var(--night);color:#fff;padding:76px 0}
.voices .section-head h2{color:#fff}
.voices .section-head p{color:rgba(255,255,255,.58)}
.voices-stat{display:flex;align-items:baseline;gap:14px;font-family:var(--font-num);color:var(--accent);font-size:30px;font-weight:800;letter-spacing:-.02em}
.voices-stat span{font-family:var(--font-sans);font-size:13.5px;font-weight:400;color:rgba(255,255,255,.6);letter-spacing:0}
.voice-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{background:#fff;color:var(--ink);border-radius:var(--r);padding:24px;border:1px solid rgba(255,255,255,.06);transition:transform .25s ease,box-shadow .25s ease}
.voice-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.28)}
.voice-head{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex:none}
.voice-name{font-size:14.5px;font-weight:700}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px}
.voice-card p{font-size:14.5px;color:var(--ink-2);margin-top:14px}
.voice-meta{font-size:12.5px;color:var(--ink-3);margin-top:12px}

/* ---------- CTA ---------- */
.cta-card{background:var(--brand);color:#fff;border-radius:var(--r-xl);padding:48px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;box-shadow:0 16px 40px rgba(226,55,90,.18)}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.32;letter-spacing:-.3px}
.cta-card p{color:rgba(255,255,255,.88);font-size:15px;margin-top:12px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;text-align:left;font-size:16px;font-weight:600;transition:background .2s ease}
.faq-q:hover{background:#FFF7F3}
.faq-icon{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:16px;line-height:1;transition:transform .28s ease,border-color .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);max-width:860px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .logo{color:#fff;font-size:19px}
.footer-brand p{font-size:13.5px;line-height:1.9;margin-top:16px;max-width:320px;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:13.5px;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-col .meta{font-size:13.5px;line-height:2;color:rgba(255,255,255,.62)}
.footer-col .meta b{color:#fff;font-weight:600}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding-top:24px;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(23,19,15,.42);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:#fff;z-index:80;transform:translateX(100%);transition:transform .3s ease;padding:22px;overflow-y:auto;box-shadow:-8px 0 32px rgba(23,19,15,.18)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-nav{display:flex;flex-direction:column;margin-top:20px;border-top:1px solid var(--line)}
.drawer-nav a{padding:15px 10px;font-size:16px;border-bottom:1px solid var(--line);border-radius:10px;transition:background .2s,color .2s}
.drawer-nav a:hover{background:var(--paper)}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.drawer-note{margin-top:22px;font-size:13px;color:var(--ink-3);line-height:1.9}
.drawer-note b{color:var(--ink)}
.drawer .btn{width:100%;margin-top:18px}

/* ---------- 移动吸底 ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -8px 24px rgba(23,19,15,.08)}
.mobile-bar span{font-size:13px;color:var(--ink-2);line-height:1.4}
.mobile-bar span b{display:block;color:var(--ink);font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .pick-row{grid-template-columns:70px 112px minmax(0,1fr) 130px;gap:20px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .hamburger{display:inline-flex}
  .header-cta{display:none}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  .budget-grid{grid-template-columns:1fr 1fr}
  .voice-rail{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;padding:38px}
  .cta-actions{justify-content:flex-start}
  .section{padding:64px 0}
  .voices{padding:60px 0}
}
@media (max-width:767px){
  .topbar-marquee{display:none}
  .topbar .container{justify-content:flex-end}
  .header-inner{height:56px}
  .site-header.is-stuck .header-inner{height:56px}
  .kpi{grid-template-columns:1fr 1fr}
  .pick-row{grid-template-columns:56px 1fr;gap:14px 16px;padding:22px 6px}
  .pick-num{grid-row:1;grid-column:1;font-size:28px;align-self:center}
  .pick-thumb{grid-row:1;grid-column:2;width:100%;max-width:190px;aspect-ratio:16/10;justify-self:end}
  .pick-body{grid-column:1/-1}
  .pick-cta{grid-column:1/-1;justify-self:start;text-align:left}
  .pick-title{font-size:17px}
  .budget-grid{grid-template-columns:1fr}
  .voice-rail{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:8px;-ms-overflow-style:none;scrollbar-width:none}
  .voice-rail::-webkit-scrollbar{display:none}
  .voice-card{flex:0 0 82%;scroll-snap-align:start}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-card{padding:28px}
  .cta-card .btn{width:100%}
  .faq-q{font-size:15px;padding:18px}
  .faq-a p{padding:0 18px 18px}
  .site-footer{padding:48px 0 96px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .step{grid-template-columns:44px 1fr;gap:18px}
  .step-num{width:44px;height:44px;font-size:15px}
  .step::before{left:21px;top:50px}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .kpi{grid-template-columns:1fr}
  .page-head{padding:32px 0 40px}
  .head-figure{border-radius:var(--r-lg)}
  .pick-num{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#17130F;
  --ink-2:#4A423C;
  --ink-3:#8B8078;
  --paper:#FDFAF6;
  --surface:#FFFFFF;
  --line:#EDE4DA;
  --brand:#E2375A;
  --brand-deep:#B01F42;
  --brand-soft:rgba(226,55,90,.08);
  --accent:#F0A33B;
  --night:#1C1618;
  --radius-sm:8px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(23,19,15,.06);
  --shadow-2:0 8px 24px rgba(23,19,15,.08);
  --shadow-3:0 16px 40px rgba(226,55,90,.14);
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Helvetica Neue",Arial,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section + .section{border-top:1px solid var(--line)}
.section-head{margin-bottom:36px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section-title{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.4px}
.section-sub{margin-top:12px;color:var(--ink-3);font-size:14px}

/* 顶部信息条 */
.topbar{background:var(--night);color:rgba(255,255,255,.78);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-ticker{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden}
.topbar-ticker span{overflow:hidden;text-overflow:ellipsis}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 0 4px rgba(240,163,59,.18)}
.topbar-link{display:inline-flex;align-items:center;gap:6px;color:#fff;transition:color .2s ease}
.topbar-link svg{transition:transform .2s ease}
.topbar-link:hover{color:var(--accent)}
.topbar-link:hover svg{transform:translateX(3px)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:70;background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(23,19,15,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;transition:height .25s ease}
.site-header.is-scrolled .nav-wrap{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.4px;white-space:nowrap}
.logo-mark{
  width:14px;height:14px;border-radius:4px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 4px 10px rgba(226,55,90,.3);
}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--ink);background:#FFF7F3}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:rgba(226,55,90,.32);color:var(--brand);background:var(--brand-soft)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
body.nav-open .nav-toggle i:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle i:nth-child(2){opacity:0}
body.nav-open .nav-toggle i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(23,19,15,.45);opacity:0;pointer-events:none;
  transition:opacity .28s ease;z-index:65;
}
body.nav-open .nav-backdrop{opacity:1;pointer-events:auto}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .22s ease,border-color .2s ease;
}
.btn svg{transition:transform .2s ease}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(226,55,90,.22)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--brand);border:1.5px solid rgba(226,55,90,.34)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* 页头 */
.page-head{position:relative;overflow:hidden;background:var(--surface);border-bottom:1px solid var(--line)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.15;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 120% at 12% 0%,rgba(240,163,59,.2),transparent 62%);
}
.page-head .container{position:relative;z-index:2;padding-top:48px;padding-bottom:52px}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";margin-right:8px;color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.page-head h1{
  font-size:clamp(28px,4.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;
  max-width:820px;
}
.lede{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:640px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;font-size:13px;color:var(--ink-3)}
.head-tags span{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--pill);
}
.head-tags b{font-family:var(--font-num);color:var(--ink);letter-spacing:.03em}

/* 评分概况 */
.stats-layout{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:center}
.stats-score{
  background:var(--night);color:#fff;border-radius:var(--radius-lg);
  padding:32px;text-align:left;
}
.score-num{font-family:var(--font-num);font-size:56px;font-weight:700;line-height:1;letter-spacing:-1px;color:var(--accent)}
.score-num span{font-size:18px;color:rgba(255,255,255,.5);margin-left:4px;letter-spacing:0}
.stars{color:var(--accent);font-size:16px;letter-spacing:.18em;margin-top:12px;display:block}
.stats-score p{margin-top:14px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.7}
.bars{display:grid;gap:18px}
.bar-row{display:grid;grid-template-columns:96px 1fr 46px;align-items:center;gap:16px}
.bar-label{font-size:14px;color:var(--ink-2)}
.bar-track{height:8px;background:#F2EAE2;border-radius:var(--pill);overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:var(--pill);background:linear-gradient(90deg,var(--brand),var(--accent))}
.bar-num{font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.03em;color:var(--ink);text-align:right}

/* 口碑卡片墙 */
.review-columns{columns:2;column-gap:24px}
.review-card{
  break-inside:avoid;margin:0 0 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.review-card:hover{border-color:rgba(226,55,90,.3);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:15px;
  border:1px solid rgba(226,55,90,.16);
}
.review-name{font-size:15px;font-weight:700}
.review-meta{font-size:12px;color:var(--ink-3)}
.review-top .stars{margin:0 0 0 auto;font-size:13px;letter-spacing:.12em}
.review-text{margin-top:14px;font-size:15px;color:var(--ink-2)}
.review-img{margin-top:16px;width:100%;border-radius:12px;aspect-ratio:4/3;object-fit:cover;background:#F5EDE6}
.review-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
}
.review-foot time{font-family:var(--font-num);font-size:12px;color:var(--ink-3);letter-spacing:.03em}

/* 长期反馈 */
.followup-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.followup-media img{border-radius:var(--radius-lg);aspect-ratio:4/3;object-fit:cover;width:100%;box-shadow:var(--shadow-2)}
.followup-media figcaption{margin-top:12px;font-size:12px;color:var(--ink-3)}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{
  display:flex;gap:12px;font-size:15px;color:var(--ink-2);
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list b{color:var(--ink)}
.check-list li::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--accent);
  flex:none;margin-top:9px;
}

/* 用户问答 */
.qa-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.qa-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);transition:border-color .24s ease,box-shadow .24s ease;
}
.qa-item:hover{border-color:rgba(226,55,90,.28);box-shadow:var(--shadow-2)}
.qa-q{font-size:16px;font-weight:700;display:flex;gap:10px}
.qa-q span{color:var(--brand);font-family:var(--font-num);font-weight:700}
.qa-a{margin-top:12px;font-size:14px;color:var(--ink-2);padding-left:24px}

/* FAQ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:16px;font-weight:600;text-align:left;
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:#FFF7F3;color:var(--brand)}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex:none;
  border:1px solid var(--line);position:relative;
  transition:transform .28s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--ink-2);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 26px 22px;font-size:15px;color:var(--ink-2);max-width:820px}

/* 底部 CTA */
.cta-band{background:var(--night);color:#fff}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:64px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:-.3px}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* 页脚 */
.site-footer{background:var(--night);color:rgba(255,255,255,.74);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;font-size:19px}
.footer-brand p{margin-top:16px;font-size:13px;line-height:1.8;max-width:300px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13px;transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.meta{font-size:13px;line-height:1.9}
.meta b{color:#fff;font-family:var(--font-num);letter-spacing:.03em;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* 移动吸底 */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;
  background:var(--surface);border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;gap:14px;box-shadow:0 -6px 22px rgba(23,19,15,.08);
}
.mobile-bar p{font-size:12px;color:var(--ink-3);line-height:1.5;flex:1}
.mobile-bar p b{display:block;font-size:14px;color:var(--ink)}

/* 响应式 */
@media (max-width:1199px){
  .qa-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
    background:var(--surface);flex-direction:column;align-items:stretch;gap:4px;
    padding:84px 20px 32px;margin:0;overflow-y:auto;
    transform:translateX(105%);transition:transform .3s ease;z-index:80;
    box-shadow:-14px 0 40px rgba(23,19,15,.14);
  }
  body.nav-open .nav-menu{transform:translateX(0)}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--brand-soft)}
  .stats-layout{grid-template-columns:1fr;gap:32px}
  .followup-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner{padding:52px 0}
}
@media (max-width:767px){
  body{padding-bottom:78px}
  .section{padding:52px 0}
  .topbar-inner{justify-content:flex-end}
  .topbar-ticker{display:none}
  .nav-wrap{height:56px;gap:12px}
  .site-header.is-scrolled .nav-wrap{height:56px}
  .review-columns{columns:1}
  .qa-list{grid-template-columns:1fr}
  .bar-row{grid-template-columns:80px 1fr 42px;gap:12px}
  .mobile-bar{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .cta-inner{padding:48px 0;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .logo{font-size:18px}
  .page-head .container{padding-top:34px;padding-bottom:38px}
  .score-num{font-size:46px}
  .stats-score{padding:24px}
  .review-card{padding:20px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category4 */
:root{
  --ink:#17130F;
  --ink-2:#4A423C;
  --ink-3:#8B8078;
  --paper:#FDFAF6;
  --surface:#FFFFFF;
  --line:#EDE4DA;
  --brand:#E2375A;
  --brand-deep:#B01F42;
  --accent:#F0A33B;
  --night:#1C1618;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,19,15,.06);
  --sh-2:0 8px 24px rgba(23,19,15,.08);
  --sh-3:0 16px 40px rgba(226,55,90,.14);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Helvetica Neue",Arial,"PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  padding-bottom:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head__text{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand);border-radius:2px;}
h1{font-size:clamp(28px,4.6vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.3px;}
h3{font-size:18px;font-weight:700;line-height:1.4;}
.lead{font-size:16px;color:var(--ink-2);line-height:1.8;}
.muted{color:var(--ink-3);font-size:13px;}

.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--brand);background:rgba(226,55,90,.08);
}
.badge--accent{color:#8A5410;background:rgba(240,163,59,.16);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:1.5px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(226,55,90,.22);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:700;font-size:14px;background:none;border:0;padding:0;
}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover svg{transform:translateX(4px);}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--night);color:rgba(255,255,255,.82);
  font-size:12.5px;height:36px;display:flex;align-items:center;
  overflow:hidden;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.02em;}
.topbar-tip b{color:#fff;font-weight:600;letter-spacing:.04em;}
.topbar-link{color:var(--accent);font-weight:700;white-space:nowrap;transition:color .2s ease;}
.topbar-link:hover{color:#fff;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.nav-main{
  background:var(--surface);border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck .nav-main{box-shadow:0 8px 24px rgba(23,19,15,.1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .25s ease;}
.site-header.is-stuck .nav-inner{height:60px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.2px;color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  transform:rotate(45deg);flex:none;
}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(226,55,90,.05);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(226,55,90,.4);background:rgba(226,55,90,.05);}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease;
  z-index:80;padding:24px 22px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:18px;color:var(--ink-2);}
.drawer-link{
  display:block;padding:14px 12px;border-radius:12px;font-size:16px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand);background:rgba(226,55,90,.06);}
.drawer-note{margin-top:auto;font-size:13px;color:var(--ink-3);line-height:1.8;}
.backdrop{
  position:fixed;inset:0;background:rgba(23,19,15,.42);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:70;
}
.backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumbs li::after{content:"/";margin-left:8px;color:var(--line);}
.crumbs li:last-child::after{display:none;}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--brand);font-weight:600;}

/* ---------- 分类页头 ---------- */
.cat-hero{padding:32px 0 0;}
.cat-hero__grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;align-items:center;
}
.cat-hero h1{margin:16px 0 14px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero__sub{font-size:17px;color:var(--ink-2);max-width:520px;}
.cat-hero__tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;font-size:13px;color:var(--ink-3);letter-spacing:.02em;}
.cat-hero__tags span{color:var(--ink-2);font-weight:600;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero__media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-2);
}
.cat-hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.cat-hero__media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,rgba(28,22,24,0),rgba(28,22,24,.86));
  color:#fff;font-size:13px;letter-spacing:.02em;
}

/* ---------- KPI 数据条 ---------- */
.kpi{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;margin-top:44px;
}
.kpi__item{background:var(--surface);padding:20px 22px;}
.kpi__num{font-family:var(--font-num);font-size:28px;font-weight:800;letter-spacing:.02em;color:var(--ink);line-height:1.1;}
.kpi__num i{font-style:normal;font-size:14px;color:var(--brand);margin-left:2px;font-weight:700;}
.kpi__label{margin-top:6px;font-size:13px;color:var(--ink-3);}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:0;}
.step{
  position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:24px;
  padding-bottom:36px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:27px;top:60px;bottom:4px;width:2px;
  background:linear-gradient(180deg,var(--line),rgba(237,228,218,0));
}
.step:last-child::before{display:none;}
.step__num{
  position:relative;z-index:1;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1.5px solid var(--brand);color:var(--brand);
  font-family:var(--font-num);font-size:17px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 0 0 6px var(--paper);
}
.step__body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step__body:hover{border-color:rgba(226,55,90,.32);box-shadow:var(--sh-2);transform:translateY(-2px);}
.step__body h3{margin-bottom:8px;}
.step__body p{font-size:15px;color:var(--ink-2);}
.step__points{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);
  font-size:12.5px;color:var(--ink-2);font-weight:600;
}

/* ---------- 两栏对照卡 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.compare__card{
  border-radius:var(--r-md);padding:28px;border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--sh-1);
}
.compare__card--go{background:linear-gradient(180deg,rgba(226,55,90,.07),rgba(226,55,90,.02));border-color:rgba(226,55,90,.22);}
.compare__card--wait{background:linear-gradient(180deg,rgba(74,66,60,.06),rgba(74,66,60,.01));}
.compare__card h3{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.compare__card .hint{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.compare__list li{
  position:relative;padding:12px 0 12px 26px;border-top:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);
}
.compare__list li:first-child{border-top:0;}
.compare__list li::before{
  content:"";position:absolute;left:4px;top:21px;width:8px;height:8px;border-radius:3px;
  background:var(--brand);
}
.compare__card--wait .compare__list li::before{background:var(--ink-3);}
.dot-mark{
  width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:800;color:#fff;flex:none;letter-spacing:.02em;
}
.dot-mark--go{background:var(--brand);}
.dot-mark--wait{background:var(--ink-2);}

/* ---------- 参数表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface);
  overflow-x:auto;box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;min-width:640px;}
thead th{
  background:var(--night);color:rgba(255,255,255,.9);
  font-size:13px;font-weight:700;letter-spacing:.06em;text-align:left;
  padding:14px 20px;white-space:nowrap;
}
tbody td{
  padding:16px 20px;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2);vertical-align:top;
}
tbody tr:hover{background:#FFF7F3;}
tbody td:first-child{font-weight:700;color:var(--ink);}
.tag-strong{color:var(--brand);font-weight:700;}

/* ---------- 信号清单 ---------- */
.signals{border-top:1px solid var(--line);}
.signal{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:22px 20px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.signal:hover{background:#FFF7F3;padding-left:26px;}
.signal__num{font-family:var(--font-num);font-size:22px;font-weight:800;color:var(--accent);letter-spacing:.04em;}
.signal__title{font-size:16px;font-weight:700;}
.signal__desc{font-size:14px;color:var(--ink-3);margin-top:2px;}
.signal__tag{font-size:12px;font-weight:700;color:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 12px;background:var(--surface);white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:#FFF7F3;color:var(--brand);}
.faq-icon{
  position:relative;flex:none;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  transition:transform .28s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(135deg);border-color:rgba(226,55,90,.5);background:rgba(226,55,90,.08);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--ink-2);max-width:760px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--night);color:#fff;padding:64px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 100% at 12% 10%,rgba(226,55,90,.34),transparent 62%);
}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:520px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
.cta-band .btn-ghost:hover{background:#fff;color:var(--night);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);margin-top:0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{color:#fff;font-size:19px;font-weight:800;margin-bottom:14px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-col .meta{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-col .meta b{color:rgba(255,255,255,.9);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端吸底 ---------- */
.mobile-cta{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .kpi{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .hamburger{display:inline-flex;}
  .cat-hero__grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero__sub{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .kpi{grid-template-columns:repeat(2,1fr);}
  .compare{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
  .section{padding:52px 0;}
  .container{padding:0 16px;}
  .topbar .topbar-tip{display:none;}
  .topbar .container{justify-content:flex-end;}
  .nav-inner{height:56px;}
  .site-header.is-stuck .nav-inner{height:56px;}
  .nav-actions .btn{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:16px;}
  .step__num{width:44px;height:44px;font-size:15px;}
  .step::before{left:21px;top:48px;}
  .step__body{padding:18px;}
  .signal{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .signal__tag{grid-column:2;justify-self:start;}
  .cta-band{padding:40px 22px;border-radius:var(--r-md);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    align-items:center;justify-content:space-between;gap:12px;
    height:60px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);border-top:1px solid var(--line);
    backdrop-filter:blur(8px);
  }
  .mobile-cta span{font-size:13px;color:var(--ink-3);}
  .mobile-cta .btn{height:40px;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  h2{font-size:21px;}
  .logo{font-size:17px;}
  .btn{height:44px;padding:0 18px;font-size:14px;}
  .kpi{grid-template-columns:1fr;}
  .kpi__num{font-size:24px;}
  .compare__card{padding:20px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .cat-hero__actions .btn{width:100%;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}