/* roulang page: index */
:root{
  --c-primary:#E2603F;
  --c-primary-dark:#B84328;
  --c-primary-soft:#FBE4DC;
  --c-ink:#2E2430;
  --c-ink-2:#5C4B57;
  --c-accent:#4E8F7C;
  --c-accent-soft:#E3F0EB;
  --c-bg:#FBF6F0;
  --c-surface:#FFFFFF;
  --c-line:#EADFD5;
  --c-warm:#F6C9A8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(46,36,48,.08);
  --shadow-hover:0 16px 40px rgba(46,36,48,.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  --font-display:"Songti SC","Noto Serif SC","PingFang SC",serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--c-ink);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--sand{background:#FDF1E9;}
.section--white{background:var(--c-surface);}
.section--ink{background:#2E2430;color:#F4E9E1;}
.section--mint{background:var(--c-accent-soft);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:32px;letter-spacing:.2px;}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.section--ink .section-head h2,.section--ink h2,.section--ink h3{color:#FBF6F0;}
.section--ink .section-head p{color:#D9C8C0;}
.eyebrow{
  display:inline-block;margin-bottom:14px;padding:6px 14px;
  font-size:12.5px;letter-spacing:.4px;color:var(--c-primary-dark);
  background:var(--c-primary-soft);border-radius:var(--radius-pill);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .22s ease,color .22s ease,transform .18s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(226,96,63,.24);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(184,67,40,.28);}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(184,67,40,.24);}
.btn--ghost{background:var(--c-surface);color:var(--c-primary-dark);border-color:#EFC7B8;}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary);transform:translateY(-1px);}
.btn--light{background:#FBF6F0;color:#2E2430;}
.btn--light:hover{background:#fff;color:#B84328;transform:translateY(-1px);}
.btn--block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.tag--mint{background:var(--c-accent-soft);color:#2F6A58;}
.tag--line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2);font-weight:500;}
/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(46,36,48,.08);}
.brandbar{display:flex;align-items:center;gap:20px;min-height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:.2px;white-space:nowrap;}
.logo:hover{color:var(--c-primary-dark);}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),#F0906F);color:#fff;font-size:15px;font-weight:800;}
.logo em{font-style:normal;color:var(--c-primary-dark);}
.city-picker{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--c-line);border-radius:var(--radius-pill);font-size:14px;color:var(--c-ink-2);background:#FFFDFB;transition:border-color .2s ease,color .2s ease;}
.city-picker:hover{border-color:var(--c-warm);color:var(--c-primary-dark);}
.city-picker svg{width:12px;height:12px;}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.brand-actions .link-login{font-size:14.5px;color:var(--c-ink-2);}
.brand-actions .link-login:hover{color:var(--c-primary-dark);}
.brand-actions .btn{min-height:40px;padding:0 18px;font-size:14.5px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:11px;background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer;margin-left:auto;}
.channelbar{background:#FFFDFB;border-top:1px solid var(--c-line);}
.channel-list{display:flex;align-items:center;gap:4px;min-height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;padding:12px 16px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;transition:color .2s ease;}
.channel-link:hover{color:var(--c-primary-dark);}
.channel-link.is-active{color:var(--c-ink);font-weight:700;}
.channel-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:3px;border-radius:2px;background:var(--c-primary);}
/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(46,36,48,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:90;transform:translateX(100%);transition:transform .28s ease;padding:22px 20px;overflow-y:auto;}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer h4{font-size:13px;color:var(--c-ink-2);letter-spacing:.5px;margin:18px 0 10px;}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;color:var(--c-ink);font-size:15px;}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.drawer-close{float:right;border:none;background:transparent;font-size:22px;line-height:1;color:var(--c-ink-2);cursor:pointer;padding:4px 8px;}
/* ===== hero ===== */
.hero{position:relative;overflow:hidden;background:#FDF1E9;padding:64px 0 72px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/f3e9848f86321217.jpg');
  background-size:cover;background-position:center;opacity:.16;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  border:1px solid rgba(226,96,63,.22);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;}
.hero h1{font-family:var(--font-display);font-size:48px;line-height:1.2;letter-spacing:.4px;margin:16px 0 20px;}
.hero h1 span{color:var(--c-primary-dark);}
.hero-lead{max-width:620px;font-size:16.5px;color:var(--c-ink-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-note{margin-top:18px;font-size:13px;color:#8A7680;}
/* map panel */
.map-panel{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:22px;box-shadow:var(--shadow-card);padding:20px;overflow:hidden;}
.map-canvas{
  position:relative;height:210px;border-radius:16px;overflow:hidden;
  background:
    radial-gradient(circle at 18% 30%, rgba(226,96,63,.16) 0 12px, transparent 13px),
    radial-gradient(circle at 62% 22%, rgba(78,143,124,.18) 0 10px, transparent 11px),
    radial-gradient(circle at 44% 68%, rgba(226,96,63,.14) 0 14px, transparent 15px),
    radial-gradient(circle at 82% 74%, rgba(78,143,124,.16) 0 9px, transparent 10px),
    linear-gradient(180deg,#FBF0E7,#FBE4DC);
}
.map-canvas::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(234,223,213,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(234,223,213,.9) 1px,transparent 1px);
  background-size:34px 34px;opacity:.7;
}
.map-pin{position:absolute;display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--c-line);font-size:12.5px;color:var(--c-ink-2);box-shadow:0 6px 14px rgba(46,36,48,.08);}
.map-pin b{color:var(--c-primary-dark);}
.map-pin--a{left:10%;top:20%;}
.map-pin--b{right:8%;top:44%;}
.map-pin--c{left:26%;bottom:16%;}
.map-label{position:absolute;left:14px;top:14px;padding:4px 11px;border-radius:var(--radius-pill);background:rgba(46,36,48,.78);color:#FBF6F0;font-size:12px;letter-spacing:.3px;}
.near-list{margin-top:16px;display:grid;gap:10px;}
.near-item{display:flex;align-items:center;gap:12px;padding:11px 13px;border:1px solid var(--c-line);border-radius:14px;background:#FFFDFB;transition:border-color .2s ease,transform .18s ease;}
.near-item:hover{border-color:var(--c-warm);transform:translateY(-1px);}
.near-avatar{width:34px;height:34px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:0 0 34px;}
.near-text{flex:1;min-width:0;}
.near-text strong{display:block;font-size:14px;font-weight:600;color:var(--c-ink);}
.near-text small{font-size:12.5px;color:#8A7680;}
.near-dist{font-size:12.5px;color:var(--c-accent);font-weight:600;}
/* numbers strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;}
.stat-cell{padding:26px 22px;border-right:1px solid var(--c-line);}
.stat-cell:last-child{border-right:none;}
.stat-cell strong{display:block;font-family:var(--font-display);font-size:30px;color:var(--c-primary-dark);line-height:1.2;}
.stat-cell span{display:block;margin-top:6px;font-size:13.5px;color:var(--c-ink-2);}
/* download */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.dl-card{padding:26px 24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F2C3B1;}
.dl-icon{width:46px;height:46px;border-radius:13px;background:var(--c-primary-soft);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.dl-icon svg{width:22px;height:22px;}
.dl-card h3{font-size:18px;margin-bottom:8px;}
.dl-card p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:16px;}
.dl-card .btn{width:100%;}
.dl-note{margin-top:22px;font-size:13.5px;color:#8A7680;}
/* collections */
.col-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.col-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%;}
.col-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F2C3B1;}
.col-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#F6EDE4;}
.col-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.col-card:hover img{transform:scale(1.04);}
.col-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.col-body h3{font-size:16.5px;line-height:1.45;}
.col-body p{font-size:14px;color:var(--c-ink-2);margin:0;}
.col-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#8A7680;}
/* feature 5/7 */
.feature-split{display:grid;grid-template-columns:5fr 7fr;gap:24px;}
.feature-main{padding:32px 30px;border-radius:var(--radius-card);background:linear-gradient(150deg,#FBE4DC,#FBF6F0);border:1px solid #F3D2C4;display:flex;flex-direction:column;}
.feature-main h3{font-size:24px;margin:14px 0 12px;}
.feature-main p{color:var(--c-ink-2);font-size:15.5px;}
.feature-main .mini-list{margin-top:auto;padding-top:18px;display:grid;gap:9px;}
.feature-main .mini-list li{display:flex;gap:9px;font-size:14px;color:var(--c-ink-2);}
.feature-main .mini-list li::before{content:"";flex:0 0 6px;height:6px;margin-top:9px;border-radius:50%;background:var(--c-primary);}
.feature-quad{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.mini-card{padding:24px 22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F2C3B1;}
.mini-card .ico{width:38px;height:38px;border-radius:11px;background:var(--c-primary-soft);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.mini-card .ico svg{width:19px;height:19px;}
.mini-card h3{font-size:17px;margin-bottom:8px;}
.mini-card p{font-size:14px;color:var(--c-ink-2);margin-bottom:12px;}
/* safety */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.safety-card{padding:26px 22px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.safety-card:hover{border-color:#9FCDBD;transform:translateY(-3px);box-shadow:var(--shadow-card);}
.safety-card .ico{width:40px;height:40px;border-radius:50%;background:var(--c-accent-soft);color:#2F6A58;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.safety-card .ico svg{width:20px;height:20px;}
.safety-card h3{font-size:16.5px;margin-bottom:8px;}
.safety-card p{font-size:14px;color:var(--c-ink-2);margin:0;}
/* scenes rail */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#E3CDBD;border-radius:99px;}
.scene-card{flex:0 0 300px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease;}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.scene-card figure{margin:0;aspect-ratio:4/3;overflow:hidden;background:#F6EDE4;}
.scene-card img{width:100%;height:100%;object-fit:cover;}
.scene-body{padding:18px;}
.scene-body h3{font-size:16.5px;margin-bottom:8px;}
.scene-body p{font-size:14px;color:var(--c-ink-2);margin-bottom:12px;}
/* editorial list */
.edit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.edit-card{padding:26px 24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);display:flex;flex-direction:column;gap:10px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.edit-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#F2C3B1;}
.edit-num{font-family:var(--font-display);font-size:28px;color:var(--c-warm);line-height:1;}
.edit-card h3{font-size:17px;}
.edit-card p{font-size:14px;color:var(--c-ink-2);margin:0;}
/* news */
.news-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start;}
.news-lead{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.news-lead figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:#F6EDE4;}
.news-lead img{width:100%;height:100%;object-fit:cover;}
.news-lead-body{padding:24px;}
.news-lead-body h3{font-size:21px;margin:10px 0 10px;}
.news-lead-body p{font-size:14.5px;color:var(--c-ink-2);}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:#8A7680;}
.news-side{display:grid;gap:12px;}
.news-row{display:block;padding:16px 18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;transition:border-color .2s ease,transform .18s ease,box-shadow .2s ease;}
.news-row:hover{border-color:#F2C3B1;transform:translateY(-2px);box-shadow:var(--shadow-card);}
.news-row strong{display:block;font-size:15px;color:var(--c-ink);font-weight:600;line-height:1.5;}
.news-row span{display:block;margin-top:6px;font-size:12.5px;color:#8A7680;}
.news-more{margin-top:24px;}
.empty-state{padding:40px 22px;text-align:center;background:#FFFDFB;border:1px dashed var(--c-line);border-radius:var(--radius-card);color:var(--c-ink-2);font-size:14.5px;}
.empty-state .empty-ico{width:44px;height:44px;margin:0 auto 12px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;}
/* collect & share */
.dual-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.panel{padding:30px 28px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);}
.panel h3{font-size:20px;margin-bottom:10px;}
.panel p{font-size:14.5px;color:var(--c-ink-2);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.chip{display:inline-flex;align-items:center;padding:7px 14px;border-radius:var(--radius-pill);background:#FFF6F1;border:1px solid #F3D2C4;font-size:13.5px;color:var(--c-primary-dark);font-weight:500;}
.chip--mint{background:var(--c-accent-soft);border-color:#BFDCD2;color:#2F6A58;}
/* topic index */
.topic-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;}
.topic-main{position:relative;display:block;padding:32px 30px;border-radius:var(--radius-card);background:linear-gradient(140deg,#2E2430,#4A3547);color:#FBF6F0;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;}
.topic-main:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(46,36,48,.28);color:#fff;}
.topic-main h3{color:#FBF6F0;font-size:23px;margin:12px 0 10px;}
.topic-main p{color:#D9C8C0;font-size:14.5px;margin:0;}
.topic-main .topic-arrow{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#F6C9A8;}
.topic-side{display:grid;gap:14px;}
.topic-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;color:var(--c-ink);transition:border-color .2s ease,transform .18s ease;}
.topic-item:hover{border-color:#F2C3B1;transform:translateY(-2px);color:var(--c-primary-dark);}
.topic-item strong{font-size:15.5px;font-weight:600;}
.topic-item small{display:block;color:#8A7680;font-weight:400;font-size:12.5px;margin-top:4px;}
/* voice / reputation */
.voice-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;}
.voice-card{padding:28px 26px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.voice-card blockquote{margin:0;font-family:var(--font-display);font-size:20px;line-height:1.65;color:var(--c-ink);}
.voice-card figcaption{margin-top:16px;font-size:13px;color:#8A7680;}
.voice-list{display:grid;gap:12px;}
.voice-row{padding:16px 18px;border-radius:14px;background:#FFFDFB;border:1px solid var(--c-line);font-size:14.5px;color:var(--c-ink-2);}
.voice-row strong{color:var(--c-ink);}
/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.price-card{position:relative;padding:30px 26px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.price-card.is-featured{border-color:#EFC7B8;box-shadow:0 14px 34px rgba(226,96,63,.14);}
.price-card.is-featured::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:18px 18px 0 0;background:var(--c-primary);}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-card .price-note{font-size:13px;color:#8A7680;}
.price-list{margin:18px 0 24px;display:grid;gap:10px;}
.price-list li{display:flex;gap:9px;font-size:14px;color:var(--c-ink-2);}
.price-list li::before{content:"";flex:0 0 7px;height:7px;margin-top:8px;border-radius:50%;background:var(--c-accent);}
.price-card .btn{margin-top:auto;}
.badge-recommend{position:absolute;right:18px;top:16px;padding:4px 12px;border-radius:var(--radius-pill);background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:12px;font-weight:700;}
/* faq */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,background .2s ease;}
.faq-item[open]{border-color:#F2C3B1;background:#FFF8F4;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--c-ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--c-primary);line-height:1;transition:transform .22s ease;}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item p{padding:0 20px 18px;font-size:14.5px;color:var(--c-ink-2);margin:0;}
/* compliance */
.compliance{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.compliance li{display:flex;gap:12px;padding:18px 20px;background:#fff;border:1px solid #BFDCD2;border-radius:14px;font-size:14.5px;color:var(--c-ink-2);}
.compliance li strong{display:block;color:#2F6A58;font-size:15px;margin-bottom:4px;}
.compliance .dot{flex:0 0 10px;height:10px;margin-top:8px;border-radius:50%;background:var(--c-accent);}
/* brand band */
.brand-band{background:#2E2430;color:#FBF6F0;padding:48px 0;}
.brand-band .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.brand-band .logo{color:#FBF6F0;}
.brand-band p{margin:8px 0 0;font-size:14px;color:#D9C8C0;}
.brand-links{display:flex;flex-wrap:wrap;gap:18px;font-size:14.5px;}
.brand-links a{color:#EBD9D0;}
.brand-links a:hover{color:var(--c-warm);}
/* footer */
.site-footer{background:#FFFDFB;border-top:1px solid var(--c-line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:32px;}
.footer-col h4{font-size:14.5px;margin-bottom:14px;color:var(--c-ink);}
.footer-col p{font-size:13.5px;color:var(--c-ink-2);line-height:1.8;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.5px;color:var(--c-ink-2);}
.footer-col a:hover{color:var(--c-primary-dark);}
.footer-bottom{margin-top:40px;padding:18px 0;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#8A7680;}
.footer-bottom a{color:#8A7680;}
.footer-bottom a:hover{color:var(--c-primary-dark);}
/* responsive */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:38px;}
  .feature-split{grid-template-columns:1fr;}
  .col-grid{grid-template-columns:repeat(2,1fr);}
  .safety-grid{grid-template-columns:repeat(2,1fr);}
  .news-wrap{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr;}
  .edit-grid{grid-template-columns:1fr;}
  .dual-panel{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:none;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--c-line);}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .section-head h2{font-size:25px;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:32px;}
  .hero-lead{font-size:15.5px;}
  .channelbar{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-actions{display:none;}
  .brandbar{min-height:62px;gap:12px;}
  .logo{font-size:15.5px;white-space:normal;}
  .logo-mark{width:30px;height:30px;font-size:13px;}
  .feature-quad{grid-template-columns:1fr;}
  .compliance{grid-template-columns:1fr;}
  .col-grid{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .scene-card{flex:0 0 82%;}
  .container{padding:0 18px;}
}
@media screen and (max-width:520px){
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:none;border-bottom:1px solid var(--c-line);}
  .stat-cell:last-child{border-bottom:none;}
  .city-picker{display:none;}
}

/* roulang page: article */
:root{
  --c-primary:#E2603F;
  --c-primary-dark:#B84328;
  --c-primary-soft:#FBE4DC;
  --c-ink:#2E2430;
  --c-ink-2:#5C4B57;
  --c-accent:#4E8F7C;
  --c-accent-soft:#E3F0EB;
  --c-bg:#FBF6F0;
  --c-surface:#FFFFFF;
  --c-line:#EADFD5;
  --c-warm:#F6C9A8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(46,36,48,.08);
  --shadow-hover:0 16px 40px rgba(46,36,48,.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  --font-display:"Songti SC","Noto Serif SC","PingFang SC",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:16.5px;line-height:1.75;
  color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
h1,h2,h3,h4{font-weight:800;line-height:1.3;color:var(--c-ink);letter-spacing:.2px;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--sand{background:#FDF1E9;}
.section--white{background:var(--c-surface);}
.section--ink{background:#2E2430;color:#F4E9E1;}
.section--mint{background:var(--c-accent-soft);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.section--ink h2,.section--ink h3,.section--ink .section-head h2{color:#FBF6F0;}
.section--ink .section-head p{color:#D9C8C0;}
.eyebrow{
  display:inline-block;margin-bottom:14px;padding:6px 14px;font-size:12.5px;letter-spacing:.4px;
  color:var(--c-primary-dark);background:var(--c-primary-soft);border-radius:var(--radius-pill);
}
.eyebrow--light{background:rgba(251,228,220,.16);color:#F6C9A8;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;
  border-radius:var(--radius-btn);font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .18s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(226,96,63,.24);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(184,67,40,.28);}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(184,67,40,.24);}
.btn--ghost{background:var(--c-surface);color:var(--c-primary-dark);border-color:#EFC7B8;}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary);transform:translateY(-1px);}
.btn--light{background:#FBF6F0;color:#2E2430;}
.btn--light:hover{background:#fff;color:#B84328;transform:translateY(-1px);}
.btn--block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,button:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.tag--mint{background:var(--c-accent-soft);color:#2F6A58;}
.tag--line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2);font-weight:500;}
/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(46,36,48,.08);}
.brandbar{display:flex;align-items:center;gap:20px;min-height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--c-ink);white-space:nowrap;}
.logo:hover{color:var(--c-primary-dark);}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),#F0906F);color:#fff;font-size:15px;font-weight:800;}
.logo em{font-style:normal;color:var(--c-primary-dark);}
.city-picker{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--c-line);
  border-radius:var(--radius-pill);font-size:13.5px;color:var(--c-ink-2);background:#FDF7F2;
}
.city-picker:hover{border-color:#EFC7B8;color:var(--c-primary-dark);}
.city-picker svg{width:12px;height:12px;}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.brand-actions .link-login{font-size:14.5px;color:var(--c-ink-2);}
.brand-actions .link-login:hover{color:var(--c-primary-dark);}
.brand-actions .btn{min-height:40px;padding:0 18px;font-size:14.5px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:11px;background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer;margin-left:auto;}
.channelbar{background:var(--c-surface);border-top:1px solid var(--c-line);}
.channel-list{display:flex;align-items:center;gap:2px;min-height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;font-size:15px;
  color:var(--c-ink-2);white-space:nowrap;transition:color .2s ease;
}
.channel-link:hover{color:var(--c-primary);}
.channel-link.is-active{color:var(--c-ink);font-weight:700;}
.channel-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:var(--c-primary);}
/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(46,36,48,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:90;transform:translateX(100%);transition:transform .28s ease;padding:22px 20px;overflow-y:auto;}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer h4{font-size:13px;color:var(--c-ink-2);letter-spacing:.5px;margin:18px 0 10px;font-weight:700;}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;color:var(--c-ink);font-size:15px;}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.drawer-close{float:right;border:none;background:transparent;font-size:22px;line-height:1;color:var(--c-ink-2);cursor:pointer;padding:4px 8px;}
.drawer .btn{margin-top:14px;}
/* ============ article hero ============ */
.article-hero{position:relative;overflow:hidden;background:#FDF1E9;padding:34px 0 46px;border-bottom:1px solid var(--c-line);}
.article-hero::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/f3e9848f86321217.jpg');
  background-size:cover;background-position:center;opacity:.10;
}
.article-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-150px;top:-190px;border-radius:50%;
  border:1px solid rgba(226,96,63,.20);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:18px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-primary-dark);}
.breadcrumb span.sep{color:#C7B6AC;}
.breadcrumb .current{color:var(--c-primary-dark);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-family:var(--font-display);font-size:38px;line-height:1.28;letter-spacing:.3px;
  margin:14px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--c-ink-2);padding-bottom:20px;border-bottom:1px solid var(--c-line);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7B6AC;display:inline-block;}
.share-btn{
  margin-left:auto;display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid #EFC7B8;background:#fff;color:var(--c-primary-dark);font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .18s ease,border-color .2s ease;
}
.share-btn:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-1px);}
.share-btn svg{width:14px;height:14px;}
/* ============ article layout ============ */
.article-wrap{padding:56px 0 80px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-main{min-width:0;}
.article-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);padding:36px 40px;box-shadow:var(--shadow-card);}
.article-body{font-size:17px;line-height:1.85;color:var(--c-ink);word-break:break-word;}
.article-body h2{font-size:26px;margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--c-primary);line-height:1.4;}
.article-body h3{font-size:20px;margin:28px 0 12px;color:var(--c-ink);}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--c-ink-2);}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:9px;}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-soft);border-radius:0 14px 14px 0;color:#6B4B42;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:24px auto;width:100%;object-fit:cover;}
.article-body a{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--c-primary);}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body th{background:#FDF1E9;font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0;}
.article-body code{background:#FDF1E9;padding:2px 6px;border-radius:6px;font-size:14px;color:var(--c-primary-dark);}
.article-empty{text-align:center;padding:40px 10px;}
.article-empty h2{font-size:24px;margin-bottom:12px;border:none;padding:0;}
.article-empty p{color:var(--c-ink-2);margin-bottom:24px;}
/* safety strip */
.safe-strip{margin-top:28px;background:var(--c-accent-soft);border:1px solid #CBDFD7;border-radius:var(--radius-card);padding:24px 28px;}
.safe-strip h3{font-size:17px;color:#2F6A58;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.safe-strip h3 svg{width:18px;height:18px;}
.safe-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;}
.safe-list li{font-size:14.5px;color:#37685A;line-height:1.6;padding-left:16px;position:relative;}
.safe-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
/* statement */
.statement{margin-top:28px;padding:22px 26px;background:#FDF7F2;border:1px dashed var(--c-line);border-radius:var(--radius-card);}
.statement h3{font-size:15px;color:var(--c-ink);margin-bottom:10px;}
.statement p{font-size:13.5px;line-height:1.8;color:#8A7880;margin-bottom:6px;}
.statement p:last-child{margin-bottom:0;}
/* return card */
.return-card{
  margin-top:28px;display:flex;align-items:center;gap:18px;justify-content:space-between;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px 26px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.return-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#EFC7B8;}
.return-card .rc-text{min-width:0;}
.return-card strong{display:block;font-size:16.5px;color:var(--c-ink);margin-bottom:4px;}
.return-card span{font-size:13.5px;color:var(--c-ink-2);}
.return-card .rc-arrow{flex:none;width:38px;height:38px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;}
/* sidebar */
.side-col{position:sticky;top:132px;display:flex;flex-direction:column;gap:22px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);}
.side-card h3{font-size:15.5px;margin-bottom:14px;padding-left:12px;border-left:3px solid var(--c-primary);line-height:1.2;}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:block;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--c-ink-2);}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.side-card .side-note{font-size:13px;line-height:1.8;color:#8A7880;margin-top:10px;}
.side-links li{border-bottom:1px solid var(--c-line);}
.side-links li:last-child{border-bottom:none;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 2px;font-size:14px;color:var(--c-ink);}
.side-links a:hover{color:var(--c-primary-dark);}
.side-links a span.arrow{color:#C7B6AC;font-size:13px;}
.side-dl{background:#2E2430;border-color:#413440;color:#F4E9E1;}
.side-dl h3{color:#FBF6F0;border-left-color:var(--c-warm);}
.side-dl p{font-size:13.5px;color:#D9C8C0;line-height:1.75;margin-bottom:16px;}
.side-dl .btn{width:100%;margin-bottom:10px;}
.side-dl .btn:last-child{margin-bottom:0;}
/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#EFC7B8;}
.rel-thumb{position:relative;aspect-ratio:16/9;background:#F3E6DC;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;line-height:1.45;}
.rel-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;flex:1;}
.rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#9A8A8F;}
/* download */
.dl-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.dl-copy h2{font-size:34px;color:#FBF6F0;margin-bottom:16px;}
.dl-copy p{color:#D9C8C0;font-size:15.5px;margin-bottom:26px;max-width:520px;}
.dl-actions{display:flex;flex-wrap:wrap;gap:14px;}
.dl-actions .btn{min-height:48px;}
.dl-actions .btn--primary{box-shadow:0 10px 24px rgba(226,96,63,.3);}
.dl-note{margin-top:18px;font-size:13px;color:#BCA9A3;}
.dl-panel{background:rgba(255,255,255,.05);border:1px solid rgba(246,201,168,.28);border-radius:var(--radius-card);padding:26px;}
.dl-panel h3{font-size:16px;color:#FBF6F0;margin-bottom:16px;}
.dl-panel li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#D9C8C0;line-height:1.7;margin-bottom:12px;}
.dl-panel li:last-child{margin-bottom:0;}
.dl-dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--c-accent);margin-top:9px;}
/* footer */
.site-footer{background:#2E2430;color:#D9C8C0;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-col h4{font-size:15px;color:#FBF6F0;margin-bottom:16px;letter-spacing:.3px;}
.footer-col p{font-size:13.5px;line-height:1.85;color:#B7A6AE;margin-bottom:12px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul a{font-size:13.8px;color:#CBB9C0;}
.footer-col ul a:hover{color:var(--c-warm);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(246,201,168,.18);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.8px;color:#9C8A92;
}
/* responsive */
@media screen and (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-col{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .article-hero h1{font-size:32px;}
  .section{padding:70px 0;}
}
@media screen and (max-width:768px){
  .brand-actions{display:none;}
  .city-picker{display:none;}
  .nav-toggle{display:inline-flex;}
  .logo{font-size:16.5px;white-space:normal;line-height:1.35;}
  .logo-mark{flex:none;}
  .article-card{padding:26px 20px;}
  .article-hero{padding:26px 0 34px;}
  .article-hero h1{font-size:27px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18.5px;}
  .safe-list{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section{padding:54px 0;}
  .section-head h2{font-size:25px;}
  .dl-copy h2{font-size:26px;}
  .container{padding:0 18px;}
  .article-wrap{padding:36px 0 56px;}
  .share-btn{margin-left:0;}
}
@media screen and (max-width:520px){
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .return-card{flex-direction:column;align-items:flex-start;gap:14px;}
  .return-card .rc-arrow{display:none;}
  .dl-actions .btn{width:100%;}
  .article-meta{font-size:12.8px;}
  .breadcrumb{font-size:12.5px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E2603F;
  --c-primary-dark:#B84328;
  --c-primary-soft:#FBE4DC;
  --c-ink:#2E2430;
  --c-ink-2:#5C4B57;
  --c-accent:#4E8F7C;
  --c-accent-soft:#E3F0EB;
  --c-bg:#FBF6F0;
  --c-surface:#FFFFFF;
  --c-line:#EADFD5;
  --c-warm:#F6C9A8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(46,36,48,.08);
  --shadow-hover:0 16px 40px rgba(46,36,48,.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  --font-display:"Songti SC","Noto Serif SC","PingFang SC",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:16.5px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.15em;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:60px 0;}
.section--sand{background:#FDF1E9;}
.section--white{background:var(--c-surface);}
.section--ink{background:#2E2430;color:#F4E9E1;}
.section--mint{background:var(--c-accent-soft);}
.section-head{max-width:780px;margin-bottom:42px;}
.section-head h2{font-family:var(--font-display);font-size:32px;line-height:1.32;letter-spacing:.2px;}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.section--ink h2,.section--ink h3,.section--ink h4{color:#FBF6F0;}
.section--ink .section-head p{color:#D9C8C0;}
.eyebrow{
  display:inline-block;margin-bottom:14px;padding:6px 14px;
  font-size:12.5px;letter-spacing:.4px;color:var(--c-primary-dark);
  background:var(--c-primary-soft);border-radius:var(--radius-pill);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:background .22s ease,color .22s ease,transform .18s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(226,96,63,.24);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(184,67,40,.28);}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(184,67,40,.24);}
.btn--ghost{background:var(--c-surface);color:var(--c-primary-dark);border-color:#EFC7B8;}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary);transform:translateY(-1px);}
.btn--light{background:#FBF6F0;color:#2E2430;}
.btn--light:hover{background:#fff;color:#B84328;transform:translateY(-1px);}
.btn--block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.tag--mint{background:var(--c-accent-soft);color:#2F6A58;}
.tag--line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2);font-weight:500;}
/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(46,36,48,.08);}
.brandbar{display:flex;align-items:center;gap:20px;min-height:68px;}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:.2px;white-space:nowrap;}
.logo:hover{color:var(--c-primary-dark);}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary),#F0906F);color:#fff;font-size:15px;font-weight:800;}
.logo em{font-style:normal;color:var(--c-primary-dark);}
.city-picker{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-ink-2);padding:7px 14px;border:1px solid var(--c-line);border-radius:var(--radius-pill);background:#FDF8F3;transition:border-color .2s ease,color .2s ease;}
.city-picker svg{width:12px;height:12px;}
.city-picker:hover{border-color:#EFC7B8;color:var(--c-primary-dark);}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.brand-actions .link-login{font-size:14.5px;color:var(--c-ink-2);}
.brand-actions .link-login:hover{color:var(--c-primary-dark);}
.brand-actions .btn{min-height:40px;padding:0 18px;font-size:14.5px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:11px;background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer;margin-left:auto;}
.channelbar{background:#FDF8F3;border-top:1px solid var(--c-line);}
.channel-list{display:flex;align-items:center;gap:4px;min-height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;transition:color .2s ease;}
.channel-link:hover{color:var(--c-primary-dark);}
.channel-link.is-active{color:var(--c-ink);font-weight:700;}
.channel-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:2px;background:var(--c-primary);}
/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(46,36,48,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;z-index:90;transform:translateX(100%);transition:transform .28s ease;padding:22px 20px;overflow-y:auto;}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer h4{font-size:13px;color:var(--c-ink-2);letter-spacing:.5px;margin:18px 0 10px;}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;color:var(--c-ink);font-size:15px;}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.drawer-close{float:right;border:none;background:transparent;font-size:22px;line-height:1;color:var(--c-ink-2);cursor:pointer;padding:4px 8px;}
/* ===== 分类页头 ===== */
.cat-hero{position:relative;overflow:hidden;background:#FDF1E9;padding:52px 0 58px;border-bottom:1px solid var(--c-line);}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/39c586d5c8adcb6c.jpg');
  background-size:cover;background-position:center;opacity:.13;
}
.cat-hero::after{
  content:"";position:absolute;width:460px;height:460px;right:-180px;top:-190px;border-radius:50%;
  border:1px solid rgba(226,96,63,.22);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:22px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-primary-dark);}
.breadcrumb span.sep{color:#C6B4A7;}
.cat-hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:start;}
.cat-hero h1{font-family:var(--font-display);font-size:42px;line-height:1.24;letter-spacing:.3px;margin:6px 0 18px;}
.cat-hero h1 span{color:var(--c-primary-dark);}
.cat-lead{max-width:620px;font-size:17px;color:var(--c-ink-2);}
.cat-stat-panel{display:flex;flex-direction:column;gap:12px;}
.stat-badge{
  display:flex;align-items:center;gap:12px;padding:14px 16px;background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
}
.stat-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--c-accent);flex:none;box-shadow:0 0 0 4px rgba(78,143,124,.14);}
.stat-badge strong{display:block;font-size:14.5px;color:var(--c-ink);}
.stat-badge small{display:block;font-size:12.5px;color:var(--c-ink-2);line-height:1.5;}
/* ===== 筛选条 ===== */
.filter-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:16px 0;position:sticky;top:117px;z-index:40;}
.filter-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-label{font-size:13px;color:var(--c-ink-2);white-space:nowrap;padding-right:4px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:var(--radius-pill);
  background:#FDF8F3;border:1px solid var(--c-line);font-size:13.5px;color:var(--c-ink-2);white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.chip.is-on{background:var(--c-primary-soft);border-color:#EFC7B8;color:var(--c-primary-dark);font-weight:600;}
.chip--mint.is-on{background:var(--c-accent-soft);border-color:#B9DACF;color:#2F6A58;}
.chip-sep{width:1px;height:20px;background:var(--c-line);flex:none;margin:0 4px;}
/* ===== 内容列表 ===== */
.match-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.match-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.match-card:hover{transform:translateY(-4px);border-color:#EFC7B8;box-shadow:var(--shadow-hover);}
.match-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F6EDE4;}
.match-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.match-card:hover .thumb img{transform:scale(1.04);}
.match-card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--c-primary-dark);box-shadow:0 4px 12px rgba(46,36,48,.1);}
.match-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.match-card h3{font-size:19px;line-height:1.45;letter-spacing:.1px;}
.match-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
.match-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);font-size:12.5px;color:#8C7A85;}
.match-meta .time{display:inline-flex;align-items:center;gap:5px;}
/* ===== 精选 ===== */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.pick-card{
  background:#FFF7F2;border:1px solid #F2D8C9;border-radius:var(--radius-card);
  padding:22px 22px 20px;transition:transform .24s ease,box-shadow .24s ease,background .24s ease;
}
.pick-card:hover{transform:translateY(-3px);background:#fff;box-shadow:var(--shadow-hover);}
.pick-num{font-family:var(--font-display);font-size:34px;line-height:1;color:#E9BBA7;letter-spacing:1px;}
.pick-card h3{font-size:17px;margin:12px 0 8px;line-height:1.5;}
.pick-card p{font-size:14px;color:var(--c-ink-2);line-height:1.65;}
.pick-card .tag{margin-top:14px;}
/* ===== 步骤 ===== */
.step-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;position:relative;}
.step-item{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
}
.step-item::before{content:"";position:absolute;left:0;right:0;top:-22px;height:1px;background:transparent;}
.step-icon{
  width:44px;height:44px;border-radius:13px;background:var(--c-primary-soft);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:16px;
}
.step-item h3{font-size:18px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
/* ===== 安全清单 ===== */
.safety-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.safety-item{
  display:flex;gap:14px;padding:20px 22px;background:rgba(255,255,255,.86);
  border:1px solid #C9E2D9;border-radius:var(--radius-card);transition:border-color .2s ease,transform .2s ease;
}
.safety-item:hover{border-color:var(--c-accent);transform:translateY(-2px);}
.safety-item .ico{
  flex:none;width:38px;height:38px;border-radius:11px;background:#fff;color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;border:1px solid #C9E2D9;
}
.safety-item h3{font-size:16.5px;margin-bottom:6px;color:#2F6A58;}
.safety-item p{font-size:14px;color:#3F5F55;line-height:1.68;}
/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#EFC7B8;background:#FFF7F2;box-shadow:var(--shadow-card);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 56px 19px 22px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;margin-top:-6px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.78;}
.faq-answer p+p{margin-top:10px;}
/* ===== 下载区 ===== */
.download-band{position:relative;overflow:hidden;background:#2E2430;color:#F4E9E1;border-radius:26px;padding:52px 48px;}
.download-band::after{content:"";position:absolute;width:420px;height:420px;right:-130px;bottom:-190px;border-radius:50%;border:1px solid rgba(246,201,168,.22);}
.download-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.download-band h2{font-family:var(--font-display);font-size:32px;line-height:1.32;color:#FBF6F0;margin-bottom:14px;}
.download-band h2 span{color:var(--c-warm);}
.download-band p{font-size:15px;color:#D9C8C0;line-height:1.75;}
.dl-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px;}
.dl-btn{
  display:flex;flex-direction:column;align-items:flex-start;gap:4px;
  padding:16px 18px;background:rgba(251,246,240,.08);border:1px solid rgba(246,201,168,.3);
  border-radius:var(--radius-btn);color:#FBF6F0;transition:background .22s ease,border-color .22s ease,transform .18s ease;
}
.dl-btn:hover{background:rgba(251,246,240,.16);border-color:var(--c-warm);color:#fff;transform:translateY(-2px);}
.dl-btn strong{font-size:15px;}
.dl-btn small{font-size:12px;color:#CBB8AF;letter-spacing:.3px;}
.download-note{margin-top:18px;font-size:12.5px;color:#BFA9A2;}
.qr-slot{
  aspect-ratio:1/1;max-width:230px;margin:0 auto;background:#FBF6F0;border-radius:22px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:#8C7A85;font-size:13px;border:1px dashed #C9B7AE;
}
.qr-slot svg{width:46px;height:46px;color:#E2603F;}
/* ===== footer ===== */
.site-footer{background:#2A202C;color:#D9C8C0;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-col h4{color:#FBF6F0;font-size:16px;margin-bottom:16px;letter-spacing:.3px;}
.footer-col p{font-size:13.5px;line-height:1.8;color:#B9A6AE;margin-bottom:12px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#C6B3BA;}
.footer-col a:hover{color:var(--c-warm);}
.footer-bottom{
  border-top:1px solid rgba(246,201,168,.16);padding:20px 0 26px;display:flex;flex-wrap:wrap;
  gap:10px;justify-content:space-between;font-size:12.5px;color:#9E8B92;
}
/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:30px;}
  .cat-stat-panel{flex-direction:row;flex-wrap:wrap;}
  .stat-badge{flex:1 1 220px;}
  .download-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .filter-bar{position:static;}
}
@media screen and (max-width:900px){
  .cat-hero h1{font-size:34px;}
  .section-head h2{font-size:27px;}
  .download-band h2{font-size:27px;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .brandbar{min-height:62px;gap:12px;}
  .city-picker{display:none;}
  .brand-actions{display:none;}
  .nav-toggle{display:flex;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:14px;}
  .channelbar{border-top:1px solid var(--c-line);}
  .channel-link{padding:0 13px;font-size:14px;}
  .cat-hero{padding:36px 0 42px;}
  .cat-hero h1{font-size:30px;}
  .cat-lead{font-size:15.5px;}
  .match-grid{grid-template-columns:1fr;}
  .pick-grid{grid-template-columns:1fr;}
  .step-row{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .download-band{padding:36px 24px;border-radius:20px;}
  .dl-actions{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media screen and (max-width:520px){
  body{font-size:16px;}
  .cat-hero h1{font-size:26px;}
  .section-head h2{font-size:23px;}
  .match-card .body{padding:18px;}
  .match-card h3{font-size:17px;}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .download-band h2{font-size:23px;}
  .footer-bottom{flex-direction:column;}
}