/* roulang page: index */
:root{
  --brand:#D2234A;
  --brand-deep:#9B1436;
  --accent:#FF7A5C;
  --ink:#1F1D22;
  --bg:#F7F3EE;
  --card:#FFFFFF;
  --line:#E6DFD6;
  --muted:#6B6672;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(31,29,34,.08);
  --shadow-hover:0 16px 40px rgba(210,35,74,.16);
  --font-serif:"Noto Serif SC","Songti SC",Georgia,"STSong",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{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:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block;border:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--paper{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);display:block}
.section-title{
  font-family:var(--font-serif);font-size:30px;line-height:1.35;
  font-weight:700;letter-spacing:.01em;
}
.section-sub{color:var(--muted);font-size:15px;line-height:1.75;max-width:560px;margin-top:12px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--brand);border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease,gap .2s ease;min-height:44px;
}
.link-more:hover{border-bottom-color:var(--brand);gap:12px;color:var(--brand-deep)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;box-shadow:0 10px 26px rgba(210,35,74,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(210,35,74,.32);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(210,35,74,.28)}
.btn-ghost{background:transparent;border-color:rgba(31,29,34,.22);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(210,35,74,.04)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1;
  padding:8px 14px;border-radius:999px;
  background:rgba(210,35,74,.08);color:var(--brand-deep);
}
.tag--ink{background:rgba(31,29,34,.07);color:var(--ink)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 22px rgba(31,29,34,.06)}
.brand-row{display:flex;align-items:center;gap:24px;min-height:78px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;display:grid;place-items:center;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
  box-shadow:0 8px 18px rgba(210,35,74,.24);
}
.logo-text{font-family:var(--font-serif);font-size:18px;font-weight:700;letter-spacing:.01em;line-height:1.2}
.logo-text small{display:block;font-family:var(--font-sans);font-size:11px;font-weight:500;letter-spacing:.18em;color:var(--muted);margin-top:2px}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;min-width:210px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(210,35,74,.1)}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{border:0;outline:none;background:transparent;font-size:14px;width:100%;color:var(--ink);font-family:inherit}
.lang-btn{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink);cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.channel-row{border-top:1px solid rgba(230,223,214,.75)}
.channel-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
  min-height:42px;padding:0 20px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .2s ease,background .2s ease;
}
.channel-link:hover{color:var(--brand);border-bottom-color:var(--brand);border-radius:14px}
.channel-link.is-active{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;box-shadow:0 8px 18px rgba(210,35,74,.22);border-bottom-color:transparent;
}
.channel-link i{font-size:13px;opacity:.85}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 84px}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 30%;height:420px;
  background:linear-gradient(135deg,rgba(210,35,74,.08) 0%,rgba(255,122,92,0) 70%);
  transform:rotate(-8deg);pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero h1{
  font-family:var(--font-serif);font-size:42px;line-height:1.28;font-weight:700;
  letter-spacing:.005em;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;
  background:rgba(210,35,74,.16);border-radius:4px;z-index:-1;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:560px}
.hero-badge{
  background:#fff;border:1px solid rgba(210,35,74,.22);border-radius:var(--radius-md);
  padding:16px 16px 14px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.hero-badge:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.hero-badge i{color:var(--brand);font-size:15px;margin-bottom:8px;display:block}
.hero-badge b{display:block;font-family:var(--font-serif);font-size:22px;line-height:1.2;font-weight:700}
.hero-badge span{display:block;font-size:13px;color:var(--muted);line-height:1.6;margin-top:4px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:0 24px 56px rgba(31,29,34,.16);
}
.hero-figure img{width:100%;height:470px;object-fit:cover;transition:transform .5s ease}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(210,35,74,.16) 0%,rgba(31,29,34,.34) 100%);
  mix-blend-mode:multiply;
}
.hero-float{
  position:absolute;left:24px;bottom:24px;right:24px;z-index:3;
  background:rgba(255,255,255,.97);border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:0 14px 32px rgba(31,29,34,.18);
  display:flex;flex-direction:column;gap:6px;
}
.hero-float .float-tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:rgba(210,35,74,.09);padding:5px 12px;border-radius:999px;
}
.hero-float strong{font-family:var(--font-serif);font-size:18px;line-height:1.4}
.hero-float p{font-size:13.5px;color:var(--muted);line-height:1.6}
.hero-float a{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);margin-top:2px}
.hero-float a:hover{gap:12px;color:var(--brand-deep)}

/* ============ portal cards ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(210,35,74,.28)}
.card-media{position:relative;overflow:hidden;background:#F1EBE3}
.card-media img{width:100%;transition:transform .32s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-big .card-media img{height:250px;object-fit:cover}
.card-body{padding:24px 26px 26px}
.card-body h3{font-family:var(--font-serif);font-size:22px;line-height:1.4;font-weight:700;margin:12px 0 10px}
.card-body p{font-size:15px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-arrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--brand);
  min-height:32px;transition:gap .2s ease;
}
.card:hover .card-arrow{gap:12px}
.card-small{padding:18px;display:flex;gap:16px;align-items:flex-start}
.card-small .thumb{
  width:78px;height:78px;flex:0 0 78px;border-radius:14px;overflow:hidden;background:#F1EBE3;
}
.card-small .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.card-small:hover .thumb img{transform:scale(1.06)}
.card-small h4{font-family:var(--font-serif);font-size:17px;line-height:1.45;font-weight:700;margin-bottom:6px}
.card-small p{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-small .mini-tag{font-size:12px;color:var(--brand);font-weight:600;display:block;margin-bottom:4px}

/* ============ news ============ */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{display:block;overflow:hidden;background:#F1EBE3}
.news-thumb img{width:100%;height:196px;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.news-body h3{font-family:var(--font-serif);font-size:19px;line-height:1.5;font-weight:700;margin-bottom:10px}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:14.5px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-footer{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.read-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);min-height:44px}
.read-link:hover{gap:12px;color:var(--brand-deep)}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:64px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:#C9BFB2;margin-bottom:14px;display:block}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px}

/* ============ stats strip ============ */
.stats-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat-item{padding:44px 24px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item i{color:var(--brand);font-size:19px;margin-bottom:12px;display:block}
.stat-num{font-family:var(--font-serif);font-size:34px;line-height:1.1;font-weight:700;color:var(--ink)}
.stat-num span{font-size:16px;font-weight:600;color:var(--brand);margin-left:4px}
.stat-desc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7}

/* ============ reviews ============ */
.review-wrap{position:relative}
.review-viewport{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.review-viewport::-webkit-scrollbar{display:none}
.review-track{display:flex;gap:0}
.review-item{flex:0 0 33.3333%;max-width:33.3333%;padding:0 12px;scroll-snap-align:start}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;height:100%;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stars{display:flex;gap:4px;color:#E5A32B;font-size:13px}
.review-card blockquote{font-size:15px;line-height:1.85;color:#3A3740;flex:1 1 auto}
.review-person{display:flex;align-items:center;gap:12px;padding-top:8px;border-top:1px solid var(--line)}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;
  background:linear-gradient(135deg,rgba(210,35,74,.16),rgba(255,122,92,.28));
  color:var(--brand-deep);display:grid;place-items:center;
  font-family:var(--font-serif);font-weight:700;font-size:16px;
}
.review-person b{display:block;font-size:14.5px;font-weight:600}
.review-person span{display:block;font-size:12.5px;color:var(--muted)}
.review-controls{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:28px}
.review-arrow{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink);cursor:pointer;display:grid;place-items:center;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.review-arrow:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.review-dots{display:flex;align-items:center;gap:8px}
.review-dots button{
  width:9px;height:9px;border-radius:50%;border:0;background:#D8CEC2;cursor:pointer;padding:0;
  transition:width .25s ease,background .25s ease;
}
.review-dots button.is-active{width:26px;border-radius:999px;background:var(--brand)}

/* ============ guarantees ============ */
.guarantee{background:var(--bg)}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.guarantee-item{padding:0 20px;border-right:1px solid var(--line)}
.guarantee-item:first-child{padding-left:0}
.guarantee-item:last-child{border-right:0;padding-right:0}
.guarantee-item i{color:var(--brand);font-size:18px;margin-bottom:10px;display:block}
.guarantee-item h4{font-size:16px;font-weight:600;margin-bottom:6px}
.guarantee-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ============ cta panel ============ */
.cta-panel{
  background:var(--ink);border-radius:32px;padding:56px;color:#F7F3EE;
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,35,74,.42) 0%,rgba(210,35,74,0) 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-family:var(--font-serif);font-size:30px;line-height:1.4;font-weight:700;margin-bottom:14px}
.cta-copy p{font-size:15px;line-height:1.85;color:rgba(247,243,238,.72);max-width:420px;margin-bottom:24px}
.cta-copy .link-more{color:#FFB2A2}
.cta-copy .link-more:hover{color:#fff;border-bottom-color:#FFB2A2}
.cta-form{
  position:relative;z-index:2;background:rgba(255,255,255,.05);
  border:1px solid rgba(247,243,238,.14);border-radius:var(--radius-lg);padding:26px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(247,243,238,.78);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.96);border:1px solid transparent;
  border-radius:12px;padding:12px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:92px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#9E96A0}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(210,35,74,.22)}
.field.has-error input,.field.has-error textarea{border-color:#E4572E}
.error-text{display:none;font-size:12.5px;color:#FFB4A2;margin-top:6px}
.field.has-error .error-text{display:block}
.cta-form .btn{width:100%}
.form-note{font-size:13px;line-height:1.7;color:rgba(247,243,238,.62);margin-top:12px;min-height:22px}

/* ============ faq ============ */
.faq-accordion{border:0;background:transparent;margin:0}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(210,35,74,.3);box-shadow:0 10px 28px rgba(31,29,34,.08)}
.faq-accordion .accordion-item.is-active{border-color:rgba(210,35,74,.4)}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  background:transparent;border:0;line-height:1.5;min-height:64px;
}
.faq-accordion .accordion-title:hover{background:transparent;color:var(--brand)}
.faq-accordion .accordion-title::before,.faq-accordion .accordion-title::after{display:none}
.faq-accordion .accordion-title .plus{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand);font-size:13px;transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title .plus{
  transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);
}
.faq-accordion .accordion-content{
  padding:0 24px 22px;border:0;background:transparent;color:var(--muted);font-size:16px;line-height:1.85;
}
.faq-accordion .accordion-content p{margin:0 0 10px}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#EFE9E1;padding:72px 0 0;margin-top:96px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:rgba(239,233,225,.55)}
.footer-about{font-size:14px;line-height:1.85;color:rgba(239,233,225,.66);margin-top:18px;max-width:300px}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.1em;color:rgba(239,233,225,.55);margin-bottom:18px;text-transform:uppercase}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(239,233,225,.86);display:inline-flex;align-items:center;gap:8px;min-height:32px;transition:color .2s ease}
.footer-col a:hover{color:#FF8FA8}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(239,233,225,.7)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(239,233,225,.14);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(239,233,225,.55);line-height:1.7}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(239,233,225,.75);
  min-height:44px;transition:color .2s ease;
}
.to-top:hover{color:#FF8FA8}

/* ============ responsive ============ */
@media screen and (max-width:1200px){
  .hero h1{font-size:38px}
  .search-box{min-width:170px}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:56px 0 64px}
  .hero h1{font-size:32px}
  .hero-figure img{height:380px}
  .hero-visual{margin-top:40px}
  .stat-item{padding:32px 16px}
  .stat-num{font-size:28px}
  .review-item{flex:0 0 50%;max-width:50%}
  .cta-panel{padding:40px 32px}
  .search-box{display:none}
  .guarantee-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
  .guarantee-item{padding:0 20px}
  .guarantee-item:nth-child(2){border-right:0}
  .guarantee-item:nth-child(3){padding-left:0}
  .site-footer{margin-top:64px}
}
@media screen and (max-width:767px){
  .brand-row{min-height:68px;gap:12px}
  .logo-text{font-size:15.5px}
  .logo-mark{width:38px;height:38px;font-size:17px;border-radius:12px}
  .lang-btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-tools .btn-primary{display:none}
  .channel-row{border-top:1px solid var(--line)}
  .channel-scroll{padding:8px 0}
  .channel-link{min-height:40px;padding:0 16px;font-size:14px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-title{font-size:24px}
  .hero{padding:40px 0 48px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15.5px;margin-bottom:24px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-badges{grid-template-columns:1fr;max-width:none}
  .hero-badge{display:flex;align-items:center;gap:14px;padding:14px 16px}
  .hero-badge i{margin:0;font-size:16px}
  .hero-badge b{font-size:19px}
  .hero-badge span{margin:0;font-size:12.5px}
  .hero-figure img{height:300px}
  .hero-float{left:14px;right:14px;bottom:14px;padding:14px 16px}
  .hero-float strong{font-size:16px}
  .card-big .card-media img{height:200px}
  .card-body{padding:20px}
  .card-body h3{font-size:19px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item{border-right:1px solid var(--line)}
  .stat-item:nth-child(2n){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .review-item{flex:0 0 100%;max-width:100%}
  .guarantee-grid{grid-template-columns:1fr;gap:0}
  .guarantee-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 0}
  .guarantee-item:last-child{border-bottom:0}
  .cta-panel{padding:32px 22px;border-radius:24px}
  .cta-copy h2{font-size:24px}
  .cta-form{padding:20px;margin-top:26px}
  .faq-accordion .accordion-title{padding:16px 18px;font-size:15.5px}
  .faq-accordion .accordion-content{padding:0 18px 18px;font-size:15px}
  .site-footer{padding-top:48px;margin-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .news-thumb img{height:180px}
}
@media screen and (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:25px}
  .section-title{font-size:22px}
  .btn{padding:0 22px;font-size:14.5px}
}

/* roulang page: category1 */
:root{
  --brand:#D2234A;
  --brand-deep:#9B1436;
  --accent:#FF7A5C;
  --ink:#1F1D22;
  --bg:#F7F3EE;
  --card:#FFFFFF;
  --line:#E6DFD6;
  --muted:#6B6672;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(31,29,34,.08);
  --shadow-hover:0 16px 40px rgba(210,35,74,.16);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --space-1:8px;
  --space-2:12px;
  --space-3:16px;
  --space-4:24px;
  --space-5:32px;
  --space-6:48px;
  --space-7:64px;
  --space-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .24s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
input,textarea{font-family:inherit;font-size:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-family:var(--serif);font-weight:600;line-height:1.35;letter-spacing:.01em;}
p{margin:0 0 var(--space-3);}
p:last-child{margin-bottom:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .28s ease,box-shadow .28s ease,background .28s ease;
}
.site-header.is-stuck{
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px rgba(31,29,34,.06);
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-4);
  padding:14px 0;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-height:44px;
}
.logo-mark{
  width:42px;
  height:42px;
  flex:0 0 42px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(210,35,74,.28);
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-family:var(--serif);
  font-size:18px;
  font-weight:700;
  line-height:1.25;
  color:var(--ink);
  letter-spacing:.01em;
}
.logo-text small{
  font-family:var(--sans);
  font-size:12px;
  font-weight:400;
  color:var(--muted);
  letter-spacing:.06em;
  margin-top:2px;
}
.header-tools{
  display:flex;
  align-items:center;
  gap:var(--space-2);
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  padding:0 14px;
  height:44px;
  min-width:230px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  transition:border-color .24s ease,background .24s ease;
}
.search-box:focus-within{border-color:var(--brand);background:#fff;}
.search-box i{font-size:13px;color:var(--brand);}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:100%;
  font-size:14px;
  color:var(--ink);
}
.search-box input::placeholder{color:#9A94A0;}
.lang-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:44px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:14px;
  cursor:pointer;
  transition:border-color .24s ease,color .24s ease,transform .24s ease;
}
.lang-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.lang-btn i{color:var(--brand);font-size:13px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;
  box-shadow:0 8px 20px rgba(210,35,74,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(210,35,74,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
  border-radius:14px;
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-light{
  background:#fff;
  color:var(--brand-deep);
  border-color:transparent;
  border-radius:14px;
}
.btn-light:hover{background:var(--bg);color:var(--brand);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:var(--ink);
  font-size:16px;
  cursor:pointer;
  transition:border-color .24s,color .24s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.channel-row{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.96);
}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:8px 0 10px;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:44px;
  padding:0 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  white-space:nowrap;
  position:relative;
  transition:background .24s ease,color .24s ease,box-shadow .24s ease;
}
.channel-link i{font-size:13px;color:var(--brand);transition:color .24s ease;}
.channel-link:hover{color:var(--brand);}
.channel-link:hover::after{
  content:"";
  position:absolute;
  left:18px;right:18px;bottom:6px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.channel-link.is-active{
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;
  box-shadow:0 8px 18px rgba(210,35,74,.24);
}
.channel-link.is-active i{color:#fff;}
.channel-link.is-active::after{display:none;}
/* ============ page hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 48px;
  overflow:hidden;
  background:
    radial-gradient(920px 420px at 88% -10%,rgba(210,35,74,.10),transparent 62%),
    radial-gradient(700px 380px at 4% 110%,rgba(255,122,92,.10),transparent 60%),
    var(--bg);
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:var(--space-4);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs span.sep{color:#C6BFB4;}
.crumbs .current{color:var(--brand);font-weight:600;}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:var(--space-6);
  align-items:center;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid rgba(210,35,74,.32);
  background:rgba(255,255,255,.72);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:var(--space-3);
}
.chip i{font-size:12px;}
.page-hero h1{
  font-size:40px;
  line-height:1.28;
  letter-spacing:.01em;
  margin-bottom:var(--space-3);
}
.page-hero h1 em{
  font-style:normal;
  color:var(--brand);
  background:linear-gradient(180deg,transparent 62%,rgba(210,35,74,.16) 62%);
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:#4A4550;
  max-width:640px;
  margin-bottom:var(--space-4);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:var(--space-2);
  margin-bottom:var(--space-4);
}
.stat-pills{
  display:flex;
  flex-wrap:wrap;
  gap:var(--space-2);
}
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(210,35,74,.22);
  box-shadow:0 6px 16px rgba(31,29,34,.05);
}
.stat-pill i{color:var(--brand);font-size:14px;}
.stat-pill b{
  font-family:var(--serif);
  font-size:18px;
  font-weight:700;
  color:var(--brand-deep);
  line-height:1;
}
.stat-pill span{font-size:13px;color:var(--muted);}
.hero-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  aspect-ratio:5/4;
}
.hero-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(210,35,74,.18),rgba(255,122,92,.06));
  mix-blend-mode:multiply;
}
.float-card{
  position:absolute;
  right:18px;
  bottom:18px;
  z-index:2;
  width:min(260px,78%);
  background:#fff;
  border-radius:var(--radius-md);
  padding:16px 18px;
  box-shadow:0 16px 36px rgba(31,29,34,.16);
  display:flex;
  flex-direction:column;
  gap:6px;
}
.float-card .fc-title{
  font-size:13px;
  color:var(--muted);
  letter-spacing:.04em;
}
.float-card .fc-data{
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  line-height:1.3;
}
.float-card .fc-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
}
.float-card .fc-link i{font-size:11px;transition:transform .24s ease;}
.float-card:hover .fc-link i{transform:translateX(4px);}
/* ============ section base ============ */
.section{padding:var(--space-7) 0;}
.section-head{
  max-width:720px;
  margin-bottom:var(--space-5);
}
.section-head h2{
  font-size:30px;
  line-height:1.4;
  margin-bottom:var(--space-2);
}
.section-head p{
  color:var(--muted);
  font-size:16px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:10px;
}
.eyebrow::before{
  content:"";
  width:28px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
/* ============ entry layout 3/9 ============ */
.entry-layout{padding-top:var(--space-6);}
.toc-card{
  position:sticky;
  top:132px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px 22px;
  box-shadow:var(--shadow);
}
.toc-card h3{
  font-size:18px;
  margin-bottom:var(--space-2);
}
.toc-card .toc-note{
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
  margin-bottom:var(--space-3);
  padding-bottom:var(--space-3);
  border-bottom:1px dashed var(--line);
}
.toc-list li{margin-bottom:6px;}
.toc-list a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  min-height:40px;
  padding:8px 12px;
  border-radius:12px;
  font-size:14px;
  line-height:1.6;
  color:var(--ink);
  transition:background .24s ease,color .24s ease,transform .24s ease;
}
.toc-list a i{
  color:var(--brand);
  font-size:11px;
  margin-top:6px;
  flex:0 0 auto;
}
.toc-list a:hover{
  background:rgba(210,35,74,.07);
  color:var(--brand-deep);
  transform:translateX(3px);
}
.toc-cta{
  margin-top:var(--space-4);
  padding-top:var(--space-3);
  border-top:1px solid var(--line);
}
.toc-cta p{
  font-size:13px;
  color:var(--muted);
  margin-bottom:12px;
}
.toc-cta .btn{width:100%;}
.entry-stream{
  display:flex;
  flex-direction:column;
  gap:var(--space-4);
}
.entry-item{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,7fr);
  gap:var(--space-4);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
  scroll-margin-top:140px;
}
.entry-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(210,35,74,.28);
}
.entry-thumb{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--bg);
}
.entry-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .32s ease;
}
.entry-item:hover .entry-thumb img{transform:scale(1.04);}
.entry-num{
  position:absolute;
  left:12px;
  top:12px;
  z-index:2;
  font-family:var(--serif);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  padding:5px 12px;
  border-radius:999px;
}
.entry-body h3{
  font-size:22px;
  line-height:1.4;
  margin-bottom:10px;
}
.entry-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(210,35,74,.08);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:500;
}
.tag.neutral{background:var(--bg);color:var(--muted);}
.entry-body p{
  font-size:15px;
  line-height:1.85;
  color:#4A4550;
  margin-bottom:14px;
}
.entry-points{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:16px;
}
.entry-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  line-height:1.75;
  color:#3B3742;
}
.entry-points li::before{
  content:"";
  width:7px;
  height:7px;
  flex:0 0 7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--brand);
}
.entry-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.entry-link i{font-size:12px;transition:transform .24s ease;}
.entry-link:hover i{transform:translateX(4px);}
/* ============ guarantee ============ */
.guarantee{
  background:var(--bg);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:var(--space-6) 0;
}
.guarantee-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.guarantee-item{
  padding:0 24px;
  border-left:1px solid var(--line);
}
.guarantee-item:first-child{border-left:0;padding-left:0;}
.guarantee-item i{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:rgba(210,35,74,.10);
  color:var(--brand);
  font-size:15px;
  margin-bottom:12px;
}
.guarantee-item h4{
  font-size:17px;
  margin-bottom:6px;
}
.guarantee-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
/* ============ accordion / faq ============ */
.accordion{
  background:transparent;
  border:0;
  margin:0;
}
.accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 4px 14px rgba(31,29,34,.05);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.accordion .accordion-item.is-active{
  border-color:rgba(210,35,74,.3);
  box-shadow:0 10px 28px rgba(210,35,74,.10);
}
.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  border:0;
  background:transparent;
  font-family:var(--serif);
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.accordion-title::before{display:none;}
.accordion-title:hover{background:rgba(247,243,238,.7);color:var(--brand-deep);}
.accordion-title .acc-icon{
  flex:0 0 auto;
  width:30px;
  height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(210,35,74,.10);
  color:var(--brand);
  font-size:12px;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.accordion-item.is-active .acc-icon{
  transform:rotate(45deg);
  background:var(--brand);
  color:#fff;
}
.accordion-content{
  padding:0 24px 22px;
  border:0;
  background:transparent;
  color:#4A4550;
  font-size:16px;
  line-height:1.8;
}
.accordion-content p{margin-bottom:12px;}
.accordion-content p:last-child{margin-bottom:0;}
/* ============ cta panel ============ */
.cta-panel{
  background:linear-gradient(150deg,#26232A 0%,var(--ink) 58%,#171519 100%);
  border-radius:32px;
  padding:var(--space-6);
  color:#F7F3EE;
  position:relative;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(31,29,34,.24);
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(210,35,74,.35),transparent 68%);
}
.cta-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:var(--space-6);
  align-items:center;
}
.cta-copy h2{
  color:#fff;
  font-size:30px;
  line-height:1.4;
  margin-bottom:var(--space-3);
}
.cta-copy p{
  color:rgba(247,243,238,.78);
  font-size:15.5px;
  line-height:1.85;
  margin-bottom:var(--space-4);
}
.cta-meta{
  display:flex;
  flex-wrap:wrap;
  gap:var(--space-3);
  font-size:13.5px;
  color:rgba(247,243,238,.72);
}
.cta-meta span{display:inline-flex;align-items:center;gap:8px;}
.cta-meta i{color:var(--accent);font-size:12px;}
.cta-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cta-form .form-title{
  font-family:var(--serif);
  font-size:18px;
  color:#fff;
  margin-bottom:2px;
}
.cta-form label{
  display:block;
  font-size:13px;
  color:rgba(247,243,238,.72);
  margin-bottom:6px;
}
.cta-form input,
.cta-form textarea{
  width:100%;
  background:rgba(255,255,255,.96);
  border:1px solid transparent;
  border-radius:12px;
  padding:12px 14px;
  color:var(--ink);
  outline:none;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.cta-form input::placeholder,
.cta-form textarea::placeholder{color:#9A94A0;}
.cta-form input:focus,
.cta-form textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(210,35,74,.18);
}
.cta-form textarea{resize:vertical;min-height:88px;}
.cta-form .form-hint{
  font-size:12.5px;
  color:rgba(247,243,238,.6);
  line-height:1.7;
}
.cta-form .form-hint.error{color:#FFB4A6;}
/* ============ footer ============ */
.site-footer{
  background:var(--ink);
  color:#EFE9E1;
  margin-top:var(--space-7);
  padding-top:var(--space-7);
}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text small{color:rgba(239,233,225,.6);}
.footer-brand{padding-bottom:var(--space-4);}
.footer-about{
  margin-top:var(--space-3);
  font-size:13.5px;
  line-height:1.85;
  color:rgba(239,233,225,.68);
  max-width:340px;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:var(--space-3);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  color:rgba(239,233,225,.72);
  font-size:13.5px;
}
.footer-col a:hover{color:var(--brand);}
.footer-col p{
  font-size:13.5px;
  line-height:1.9;
  color:rgba(239,233,225,.68);
}
.footer-bottom{
  margin-top:var(--space-5);
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(239,233,225,.6);
  margin:0;
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  font-size:13px;
  color:rgba(239,233,225,.78);
}
.to-top:hover{color:var(--brand);}
.to-top i{font-size:11px;}
/* ============ responsive ============ */
@media screen and (max-width:1024px){
  .page-hero h1{font-size:32px;}
  .hero-inner{grid-template-columns:1fr;gap:var(--space-5);}
  .hero-visual{aspect-ratio:16/9;}
  .section{padding:var(--space-6) 0;}
  .section-head h2{font-size:26px;}
  .entry-item{grid-template-columns:minmax(0,5fr) minmax(0,6fr);}
  .cta-grid{grid-template-columns:1fr;gap:var(--space-5);}
  .guarantee-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4) 0;}
  .guarantee-item:nth-child(3){border-left:0;padding-left:0;}
  .toc-card{position:static;margin-bottom:var(--space-4);}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand-row{padding:10px 0;gap:12px;}
  .logo-mark{width:38px;height:38px;flex-basis:38px;font-size:18px;}
  .logo-text{font-size:16px;}
  .logo-text small{font-size:11px;}
  .search-box,.lang-btn,.header-tools .btn-sm{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-row{display:none;}
  .channel-row.is-open{display:block;}
  .channel-scroll{padding:8px 0;}
  .channel-link{font-size:14px;padding:0 14px;}
  .page-hero{padding:32px 0 36px;}
  .page-hero h1{font-size:28px;line-height:1.36;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .stat-pills{gap:10px;}
  .stat-pill{padding:8px 14px;}
  .stat-pill b{font-size:16px;}
  .section{padding:var(--space-5) 0;}
  .section-head{margin-bottom:var(--space-4);}
  .section-head h2{font-size:23px;}
  .entry-layout{padding-top:var(--space-5);}
  .entry-item{grid-template-columns:1fr;padding:16px;gap:16px;}
  .entry-body h3{font-size:19px;}
  .entry-body p{font-size:14.5px;}
  .entry-points li{font-size:14px;}
  .guarantee{padding:var(--space-5) 0;}
  .guarantee-grid{grid-template-columns:1fr;}
  .guarantee-item{border-left:0;padding:0 0 var(--space-4);}
  .guarantee-item:last-child{padding-bottom:0;}
  .accordion-title{padding:16px 18px;font-size:16px;}
  .accordion-content{padding:0 18px 18px;font-size:15px;}
  .cta-panel{padding:28px 20px;border-radius:24px;}
  .cta-copy h2{font-size:23px;}
  .cta-form{padding:18px;}
  .site-footer{margin-top:var(--space-5);padding-top:var(--space-6);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .page-hero h1{font-size:25px;}
  .hero-visual{aspect-ratio:4/3;}
  .float-card{right:12px;bottom:12px;padding:12px 14px;width:min(220px,84%);}
  .float-card .fc-data{font-size:17px;}
  .entry-thumb{aspect-ratio:16/10;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --brand:#D2234A;
  --brand-deep:#9B1436;
  --accent:#FF7A5C;
  --ink:#1F1D22;
  --bg:#F7F3EE;
  --card:#FFFFFF;
  --line:#E6DFD6;
  --muted:#6B6672;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(31,29,34,.08);
  --shadow-hover:0 16px 40px rgba(210,35,74,.16);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease}
a:hover{color:var(--brand)}
p{margin:0 0 16px}
ul,ol{margin:0}
h1,h2,h3,h4,h5,h6{font-family:var(--serif);font-weight:700;color:var(--ink);margin:0;letter-spacing:.01em}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
::selection{background:rgba(210,35,74,.18);color:var(--brand-deep)}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{max-width:100%}

/* ============ 按钮与标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;background:transparent;color:var(--ink);
  cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;
  box-shadow:0 10px 24px rgba(210,35,74,.24);
}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(210,35,74,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(210,35,74,.28)}
.btn-ghost{background:transparent;border-color:rgba(31,29,34,.28);color:var(--ink)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(210,35,74,.08);color:var(--brand);
  font-size:13px;font-weight:500;line-height:1.4;
  transition:background .22s ease,color .22s ease;
}
.tag:hover{background:var(--brand);color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(31,29,34,.06)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;display:grid;place-items:center;
  font-family:var(--serif);font-size:20px;font-weight:700;
  box-shadow:0 8px 18px rgba(210,35,74,.26);
}
.logo-text{display:flex;flex-direction:column;font-family:var(--serif);font-size:18px;font-weight:700;line-height:1.25}
.logo-text small{font-family:var(--sans);font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.08em;margin-top:3px}
.header-tools{display:flex;align-items:center;gap:12px;position:relative}
.search-box{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;color:var(--muted);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-box:focus-within{border-color:rgba(210,35,74,.5);box-shadow:0 0 0 3px rgba(210,35,74,.1)}
.search-box i{font-size:13px;color:var(--muted)}
.search-box input{
  border:0;outline:0;background:transparent;
  width:172px;font-size:14px;color:var(--ink);padding:0;min-height:24px;
}
.search-box input::placeholder{color:#9A94A0}
.lang-btn{
  display:inline-flex;align-items:center;gap:7px;
  min-height:40px;padding:8px 15px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;transition:border-color .22s ease,color .22s ease;
}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.channel-row{border-top:1px solid var(--line);background:rgba(255,255,255,.7)}
.channel-scroll{
  display:flex;align-items:center;gap:6px;
  padding:10px 0;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:15px;color:var(--ink);white-space:nowrap;
  position:relative;transition:color .22s ease,background .22s ease,box-shadow .22s ease;
}
.channel-link i{font-size:12px;color:var(--brand);transition:color .22s ease}
.channel-link:hover{color:var(--brand);box-shadow:inset 0 -2px 0 var(--brand)}
.channel-link.is-active{background:var(--brand);color:#fff;box-shadow:none}
.channel-link.is-active i{color:#fff}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  padding:26px 0 0;font-size:14px;color:var(--muted);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.45;font-size:11px}
.breadcrumb .current{color:var(--ink);font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-head{
  background:
    radial-gradient(120% 90% at 0% 0%,rgba(210,35,74,.09) 0%,rgba(247,243,238,0) 62%),
    radial-gradient(90% 80% at 100% 0%,rgba(255,122,92,.10) 0%,rgba(247,243,238,0) 58%);
  border-bottom:1px solid var(--line);
}
.article-head-inner{max-width:920px;padding:22px 0 34px}
.article-cat{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:#fff;border:1px solid rgba(210,35,74,.28);
  color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-cat i{font-size:12px}
.article-title{
  font-size:40px;line-height:1.35;font-weight:700;
  margin:20px 0 18px;color:var(--ink);
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:14px;color:var(--muted);
  padding:14px 0 0;border-top:1px solid rgba(230,223,214,.9);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{font-size:12px;color:var(--brand)}

/* ============ 正文栅格 ============ */
.article-layout{padding:44px 0 24px;row-gap:32px}
.article-main{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:40px 42px 44px;
}
.article-body{font-size:16px;line-height:1.9;color:#2C2831;overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:30px;line-height:1.4;margin:42px 0 18px;
  padding-left:16px;border-left:4px solid var(--brand);
}
.article-body h3{
  font-size:22px;line-height:1.45;margin:32px 0 14px;
  padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h4{font-size:18px;line-height:1.5;margin:26px 0 12px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;
  width:8px;height:8px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:artitem}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:10px;counter-increment:artitem}
.article-body ol li::before{
  content:counter(artitem);
  position:absolute;left:0;top:3px;
  width:23px;height:23px;border-radius:50%;
  background:rgba(210,35,74,.1);color:var(--brand);
  font-size:13px;font-weight:600;line-height:23px;text-align:center;
  font-family:var(--sans);
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  background:var(--bg);border-left:4px solid var(--brand);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#3B3642;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:20px;margin:26px 0 12px;width:100%}
.article-body figure{margin:28px 0}
.article-body figure img{margin-top:0}
.article-body figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:12px;overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body thead th{background:var(--bg);font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(even){background:rgba(247,243,238,.65)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

.empty-state{
  text-align:center;padding:56px 16px 48px;
  border:1px dashed var(--line);border-radius:20px;background:rgba(247,243,238,.55);
}
.empty-state i{font-size:34px;color:rgba(210,35,74,.55)}
.empty-state h2{
  font-size:22px;margin:18px 0 10px;padding:0;border:0;line-height:1.5;
}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ============ 侧栏 ============ */
.sidebar-inner{position:sticky;top:112px}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow);
  padding:24px 22px;
  margin-bottom:22px;
}
.side-card:last-child{margin-bottom:0}
.side-title{
  display:flex;align-items:center;gap:10px;
  font-size:18px;line-height:1.4;margin:0 0 16px;
}
.side-title::before{
  content:"";width:4px;height:18px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li + li{margin-top:4px}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;
  font-size:15px;color:var(--muted);
  border-left:2px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.toc-list a i{font-size:11px;color:rgba(210,35,74,.7)}
.toc-list a:hover{background:rgba(210,35,74,.06);color:var(--brand);border-left-color:var(--brand)}
.mini-list{list-style:none;margin:0;padding:0}
.mini-list li + li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.mini-list a{display:block;font-size:15px;font-weight:500;line-height:1.55;color:var(--ink)}
.mini-list a:hover{color:var(--brand)}
.mini-list .mini-meta{display:block;font-size:13px;color:var(--muted);margin-top:5px;font-weight:400}
.side-note{
  background:linear-gradient(135deg,rgba(210,35,74,.08),rgba(255,122,92,.10));
  border:1px solid rgba(210,35,74,.16);
  border-radius:var(--radius-md);
  padding:22px;
}
.side-note h3{font-size:16px;margin:0 0 8px}
.side-note p{font-size:14px;color:var(--muted);margin:0 0 16px;line-height:1.75}

/* ============ 标签行与相关推荐 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-row .tag-row-label{font-size:14px;color:var(--muted);margin-right:4px}
.back-channel{margin-left:auto}
.section-block{padding:26px 0 8px}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;
}
.section-head h2{font-size:30px;line-height:1.35}
.section-head p{font-size:15px;color:var(--muted);margin:8px 0 0;max-width:620px}
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(210,35,74,.28)}
.related-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:18px;line-height:1.5}
.related-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;flex:1}
.related-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.related-link i{font-size:12px;transition:transform .22s ease}
.related-card:hover .related-link i{transform:translateX(4px)}

/* ============ CTA 面板 ============ */
.cta-wrap{padding:56px 0 88px}
.cta-panel{
  background:
    radial-gradient(90% 120% at 100% 0%,rgba(210,35,74,.32) 0%,rgba(31,29,34,0) 58%),
    var(--ink);
  border-radius:32px;
  padding:56px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  color:#fff;
  box-shadow:0 24px 60px rgba(31,29,34,.24);
}
.cta-copy h2{color:#fff;font-size:32px;line-height:1.4;margin-bottom:14px}
.cta-copy p{color:rgba(255,255,255,.74);font-size:15.5px;line-height:1.85;margin:0 0 26px;max-width:440px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-form{display:flex;flex-direction:column;gap:14px}
.cta-form .field{display:flex;flex-direction:column;gap:7px}
.cta-form label{font-size:13.5px;color:rgba(255,255,255,.7);letter-spacing:.02em}
.cta-form input,.cta-form textarea{
  width:100%;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-sm);
  padding:12px 14px;color:#fff;font-size:15px;
  transition:border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(255,255,255,.36)}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--brand);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 2px rgba(210,35,74,.55);
}
.cta-form textarea{resize:vertical;min-height:88px}
.cta-form .form-hint{font-size:12.5px;color:rgba(255,255,255,.5);margin:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#EDE7E0;padding:64px 0 0}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text small{color:rgba(237,231,224,.58)}
.footer-brand .logo-mark{box-shadow:none}
.footer-about{color:rgba(237,231,224,.7);font-size:14px;line-height:1.85;margin:18px 0 0;max-width:330px}
.footer-col h4{font-family:var(--serif);font-size:16px;color:#fff;margin:4px 0 18px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-col a,.footer-col p{color:rgba(237,231,224,.72);font-size:13.5px;line-height:1.9;margin:0;transition:color .22s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:48px;padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(237,231,224,.58);
}
.footer-bottom p{margin:0}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(237,231,224,.8);font-size:13px}
.to-top:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .cta-panel{padding:48px}
  .article-main{padding:36px}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .brand-row{flex-wrap:wrap;gap:12px}
  .header-tools{width:auto;margin-left:auto}
  .header-tools .search-box,
  .header-tools .lang-btn,
  .header-tools > .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-tools.is-open{width:100%;flex-wrap:wrap;gap:10px}
  .header-tools.is-open .search-box{display:flex;flex:1 1 100%;order:1}
  .header-tools.is-open .search-box input{width:100%}
  .header-tools.is-open .lang-btn{display:inline-flex;order:2}
  .header-tools.is-open > .btn{display:inline-flex;order:3}
  .header-tools.is-open .nav-toggle{order:4}
  .channel-scroll{padding:9px 0}
  .channel-link{font-size:14px;padding:8px 14px}
  .article-title{font-size:32px}
  .article-head-inner{padding:18px 0 28px}
  .article-layout{padding:32px 0 20px}
  .article-main{padding:30px 26px 34px}
  .sidebar-inner{position:static}
  .section-head h2{font-size:26px}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:40px 32px;border-radius:26px}
  .cta-wrap{padding:44px 0 72px}
  .site-footer{padding-top:52px}
}
@media screen and (max-width:767px){
  .article-title{font-size:28px}
  .article-cat{font-size:12.5px;padding:5px 14px}
  .article-body h2{font-size:25px;margin-top:34px}
  .article-body h3{font-size:20px}
  .breadcrumb{font-size:13px;padding-top:20px}
  .section-head h2{font-size:23px}
  .cta-copy h2{font-size:25px}
  .related-body{padding:18px 18px 20px}
  .back-channel{margin-left:0;margin-top:6px}
}
@media screen and (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px}
  .logo-mark{width:38px;height:38px;border-radius:12px;font-size:18px}
  .logo-text{font-size:16px}
  .logo-text small{font-size:11px}
  .article-title{font-size:26px;margin:16px 0 14px}
  .article-main{padding:22px 18px 26px;border-radius:20px}
  .article-body{font-size:15.5px}
  .article-body blockquote{padding:16px 18px}
  .side-card{padding:20px 18px}
  .cta-panel{padding:30px 20px;border-radius:22px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand:#D2234A;
  --brand-deep:#9B1436;
  --accent:#FF7A5C;
  --ink:#1F1D22;
  --bg:#F7F3EE;
  --card:#FFFFFF;
  --line:#E6DFD6;
  --muted:#6B6672;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(31,29,34,.08);
  --shadow-hover:0 16px 40px rgba(210,35,74,.16);
  --ease:320ms cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.serif{
  font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  font-weight:700;
  color:var(--ink);
  margin:0;
}
h1{font-size:40px;line-height:1.28;letter-spacing:.5px;}
h2{font-size:30px;line-height:1.38;}
h3{font-size:22px;line-height:1.42;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* 容器与栅格 */
.grid-container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.grid-x>.cell{padding-left:16px;padding-right:16px;}
.grid-margin-x{margin-left:-16px;margin-right:-16px;}
.grid-margin-y{margin-top:-16px;margin-bottom:-16px;}
.grid-margin-y>.cell{margin-top:16px;margin-bottom:16px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin:0 0 40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent));display:inline-block;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;margin:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;min-height:46px;
  border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;box-shadow:0 10px 24px rgba(210,35,74,.26);
}
.btn-primary:hover,.btn-primary:focus{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(210,35,74,.34);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(210,35,74,.3);}
.btn-outline{
  border-radius:14px;border:1.5px solid var(--ink);color:var(--ink);background:transparent;
}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{
  border-radius:14px;border:1.5px solid rgba(255,255,255,.62);color:#fff;background:rgba(255,255,255,.06);
}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;min-height:44px;font-size:14px;}
.btn-block{width:100%;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(31,29,34,.06);
}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 0;
}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;font-family:"Noto Serif SC",serif;font-weight:700;font-size:20px;
  display:grid;place-items:center;box-shadow:0 8px 18px rgba(210,35,74,.28);
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.25;
  font-family:"Noto Serif SC",serif;font-size:19px;font-weight:700;letter-spacing:.4px;
}
.logo-text small{
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.6px;margin-top:2px;
}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;color:var(--muted);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box:focus-within{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(210,35,74,.12);
}
.search-box i{font-size:13px;}
.search-box input{
  border:none;background:transparent;outline:none;font-size:14px;width:168px;color:var(--ink);
}
.search-box input::placeholder{color:#9A94A0;}
.lang-btn{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:10px 16px;font-size:14px;color:var(--ink);cursor:pointer;min-height:44px;
  transition:border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.lang-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;
}
.channel-row{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.9);
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  padding:8px 0 12px;overflow-x:auto;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.channel-link i{font-size:13px;opacity:.85;}
.channel-link:hover{
  color:var(--brand-deep);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px;
}
.channel-link.is-active{
  background:var(--brand);color:#fff;
  box-shadow:0 8px 18px rgba(210,35,74,.26);
}
.channel-link.is-active:hover{color:#fff;text-decoration:none;background:var(--brand-deep);}

/* 首屏 Banner */
.page-banner{
  position:relative;overflow:hidden;color:#fff;
  padding:78px 0 72px;isolation:isolate;
}
.banner-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.02);
}
.banner-mask{
  position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(31,29,34,.88) 0%,rgba(155,20,54,.68) 55%,rgba(210,35,74,.52) 100%);
}
.banner-mask::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(210,35,74,.08),rgba(255,122,92,.08));
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb i{font-size:10px;opacity:.7;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.34);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:1px;
  padding:6px 16px;border-radius:999px;margin-bottom:20px;
}
.page-banner h1{
  color:#fff;max-width:860px;margin-bottom:20px;
  text-shadow:0 4px 22px rgba(0,0,0,.25);
}
.banner-sub{
  max-width:700px;font-size:18px;line-height:1.85;color:rgba(255,255,255,.88);margin-bottom:32px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.2);
  font-size:14px;color:rgba(255,255,255,.78);
}
.banner-meta span{display:inline-flex;align-items:center;gap:8px;}
.banner-meta i{color:var(--accent);}

/* 快速索引卡 */
.quick-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;height:100%;
  display:flex;flex-direction:column;gap:10px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.quick-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(210,35,74,.28);}
.quick-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:18px;
  background:rgba(210,35,74,.09);color:var(--brand);margin-bottom:4px;
}
.quick-item h3{font-size:18px;}
.quick-item p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
.quick-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);margin-top:6px;
}
.quick-link i{transition:transform var(--ease);font-size:12px;}
.quick-item:hover .quick-link i{transform:translateX(4px);}

/* 服务大卡 */
.service-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.service-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(210,35,74,.26);
}
.card-media{
  aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#F2EAE1,#EDE3DA);
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--ease);
}
.service-card:hover .card-media img{transform:scale(1.04);}
.card-body{
  padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  background:rgba(210,35,74,.09);color:var(--brand-deep);
  font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;
}
.card-body h3{font-size:22px;}
.card-body p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;}
.card-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:8px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.card-link i{font-size:12px;transition:transform var(--ease);}
.card-link:hover{color:var(--brand-deep);}
.service-card:hover .card-link i{transform:translateX(5px);}

/* 数据徽章条 */
.stat-band{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 8px;
}
.stat-item{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:8px 18px;text-align:center;
  border-left:1px solid var(--line);height:100%;justify-content:center;
}
.stat-item:first-child{border-left:none;}
.stat-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:#fff;color:var(--brand);font-size:15px;box-shadow:var(--shadow);
}
.stat-num{
  font-family:"Noto Serif SC",serif;font-size:34px;font-weight:700;color:var(--brand-deep);line-height:1.2;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:2px;}
.stat-label{font-size:14px;color:var(--muted);line-height:1.7;}

/* 使用路径 */
.path-wrap{position:relative;}
.path-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px 26px;height:100%;position:relative;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.path-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(210,35,74,.26);}
.path-num{
  font-family:"Noto Serif SC",serif;font-size:38px;font-weight:700;
  color:rgba(210,35,74,.22);line-height:1;margin-bottom:14px;
}
.path-item h3{font-size:19px;margin-bottom:10px;}
.path-item p{font-size:15px;line-height:1.8;color:var(--muted);margin:0;}

/* FAQ */
.faq-block .accordion{
  background:transparent;border:none;margin:0;
}
.faq-block .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-block .accordion-item:hover{border-color:rgba(210,35,74,.26);}
.faq-block .accordion-item.is-active{box-shadow:var(--shadow);border-color:rgba(210,35,74,.3);}
.faq-block .accordion-title{
  font-family:"Noto Serif SC",serif;font-size:17px;font-weight:600;
  color:var(--ink);padding:22px 62px 22px 26px;border:none;background:transparent;
  position:relative;line-height:1.6;
}
.faq-block .accordion-title:hover{background:rgba(210,35,74,.03);color:var(--brand-deep);}
.faq-block .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  color:var(--brand);transition:transform var(--ease),color var(--ease);
  width:auto;margin:0;line-height:1;
}
.faq-block .accordion-item.is-active .accordion-title::before{
  content:"\f067";transform:translateY(-50%) rotate(45deg);color:var(--brand-deep);
}
.faq-block .accordion-content{
  padding:0 26px 24px;border:none;border-top:1px solid var(--line);
  background:#fff;font-size:16px;line-height:1.85;color:var(--muted);
}
.faq-block .accordion-content p{margin:0;}
.faq-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 28px;height:100%;
}
.faq-side h3{font-size:20px;margin-bottom:14px;}
.faq-side p{font-size:15px;line-height:1.85;color:var(--muted);}
.faq-side .btn{margin-top:20px;}

/* 转化面板 */
.cta-panel{
  background:var(--ink);border-radius:32px;padding:56px;
  color:#EFE9E2;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:-120px;right:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,35,74,.5),rgba(255,122,92,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;}
.cta-panel h2{color:#fff;font-size:32px;line-height:1.35;margin-bottom:16px;}
.cta-panel .cta-desc{color:rgba(255,255,255,.72);font-size:16px;line-height:1.85;margin-bottom:26px;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;}
.cta-points span{display:inline-flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.82);}
.cta-points i{color:var(--accent);font-size:13px;}
.cta-link{
  display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:3px;
}
.cta-link:hover{color:var(--accent);border-bottom-color:var(--accent);}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:30px 28px;
}
.form-card h3{color:#fff;font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:7px;font-weight:500;}
.field input,.field textarea{
  width:100%;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:15px;padding:12px 15px;min-height:46px;
  font-family:inherit;line-height:1.6;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{resize:vertical;min-height:96px;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(210,35,74,.3);
}
.field-error{
  display:none;font-size:13px;color:#FFB3A8;margin-top:6px;
}
.field.has-error input,.field.has-error textarea{border-color:#FF7A5C;}
.field.has-error .field-error{display:block;}
.form-tip{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.7;}
.form-success{
  display:none;margin-top:14px;font-size:14px;color:#9BE3B4;
}

/* 页脚 */
.site-footer{
  background:var(--ink);color:#EFE9E2;padding:72px 0 0;margin-top:96px;
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.5);}
.footer-about{
  color:rgba(255,255,255,.6);font-size:14px;line-height:1.85;
  margin-top:18px;max-width:340px;
}
.footer-col h4{
  color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:.5px;
}
.footer-col p{
  color:rgba(255,255,255,.6);font-size:14px;line-height:1.9;margin:0;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  color:rgba(255,255,255,.68);font-size:14px;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0;}
.to-top{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent);
  font-size:13px;font-weight:600;
}
.to-top:hover{color:#fff;}

/* 响应式 */
@media screen and (max-width:1023px){
  h1,.page-banner h1{font-size:32px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .page-banner{padding:60px 0 56px;}
  .banner-sub{font-size:17px;}
  .cta-panel{padding:40px 32px;}
  .cta-panel h2{font-size:27px;}
  .search-box{display:none;}
  .stat-item{border-left:none;border-top:1px solid var(--line);padding-top:20px;}
  .stat-item:nth-child(-n+2){border-top:none;padding-top:8px;}
  .stat-band{padding:20px 4px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .grid-x>.cell{padding-left:12px;padding-right:12px;}
  .grid-margin-x{margin-left:-12px;margin-right:-12px;}
  .lang-btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-row{display:none;}
  .site-header.nav-open .channel-row{display:block;}
  .channel-scroll{padding:10px 0 14px;}
  .brand-row{padding:10px 0;}
  .logo-text{font-size:16px;}
  .logo-mark{width:40px;height:40px;flex-basis:40px;font-size:18px;border-radius:12px;}
  .logo-text small{font-size:11px;}
  h1,.page-banner h1{font-size:28px;line-height:1.35;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .section{padding:48px 0;}
  .page-banner{padding:44px 0 44px;}
  .banner-sub{font-size:16px;margin-bottom:26px;}
  .banner-meta{gap:14px;flex-direction:column;font-size:13px;margin-top:28px;padding-top:20px;}
  .banner-actions .btn{flex:1 1 100%;}
  .card-body{padding:22px 20px 24px;}
  .cta-panel{padding:32px 22px;border-radius:24px;}
  .cta-panel h2{font-size:23px;}
  .form-card{padding:22px 18px;margin-top:26px;}
  .stat-item:nth-child(-n+2){border-top:1px solid var(--line);padding-top:20px;}
  .stat-item:first-child{border-top:none;padding-top:8px;}
  .stat-num{font-size:28px;}
  .faq-block .accordion-title{font-size:16px;padding:18px 54px 18px 20px;}
  .faq-block .accordion-content{padding:0 20px 20px;font-size:15px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:48px;padding-top:48px;}
}
@media screen and (max-width:519px){
  .search-box{display:none;}
  .banner-tag{font-size:12px;padding:5px 13px;}
  .quick-item{padding:22px 18px;}
}

/* roulang page: category3 */
:root{
  --brand:#D2234A;
  --brand-deep:#9B1436;
  --accent:#FF7A5C;
  --ink:#1F1D22;
  --ink-soft:#6B6672;
  --bg:#F7F3EE;
  --card:#FFFFFF;
  --line:#E6DFD6;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(31,29,34,.08);
  --shadow-hover:0 16px 40px rgba(210,35,74,.16);
  --container:1200px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:96px;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --font-sans:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --grad:linear-gradient(135deg,#D2234A 0%,#FF7A5C 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0 0 var(--space-2);font-weight:600;letter-spacing:.01em;}
h1{font-size:40px;line-height:1.1;}
h2{font-size:30px;line-height:1.27;}
h3{font-size:22px;line-height:1.36;}
h4{font-size:18px;line-height:1.44;}
p{margin:0 0 var(--space-2);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;font-size:16px;}
.grid-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--space-7) 0;}
.section--tight{padding:var(--space-6) 0;}
.section-head{max-width:760px;margin-bottom:var(--space-5);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:var(--space-2);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);display:inline-block;}
.section-head p{color:var(--ink-soft);font-size:16px;line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  font-size:16px;font-weight:600;
  border-radius:999px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(210,35,74,.28);
}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(210,35,74,.34);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--ink);
  border-radius:14px;
}
.btn-ghost:hover,.btn-ghost:focus{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px;}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;line-height:1.5;
  padding:5px 12px;border-radius:999px;
  background:rgba(210,35,74,.08);
  color:var(--brand-deep);
  border:1px solid rgba(210,35,74,.22);
}
.badge-soft{background:#fff;color:var(--ink-soft);border-color:var(--line);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(31,29,34,.06);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);
  padding:14px 0;
}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:44px;height:44px;flex:0 0 44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;
  font-family:var(--font-serif);font-size:20px;font-weight:700;
  border-radius:14px;
  box-shadow:0 8px 18px rgba(210,35,74,.26);
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;letter-spacing:.01em;line-height:1.3;}
.logo-text small{font-size:11.5px;font-weight:500;color:var(--ink-soft);letter-spacing:.08em;}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 16px;height:44px;
  transition:border-color .25s ease,background .25s ease;
}
.search-box:focus-within{border-color:var(--brand);background:#fff;}
.search-box i{color:var(--ink-soft);font-size:14px;}
.search-box input{
  border:none;background:transparent;outline:none;
  width:190px;height:42px;font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:#A09AA8;}
.lang-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;
  background:#fff;color:var(--ink-soft);font-size:14px;
  transition:border-color .25s ease,color .25s ease;
}
.lang-btn:hover{color:var(--brand);border-color:var(--brand);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;
}
.channel-row{border-top:1px solid var(--line);}
.channel-scroll{display:flex;align-items:center;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none;}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .25s ease,background .25s ease,border-color .25s ease;
}
.channel-link i{font-size:13px;color:var(--ink-soft);transition:color .25s ease;}
.channel-link:hover{color:var(--brand);border-bottom-color:var(--brand);}
.channel-link:hover i{color:var(--brand);}
.channel-link.is-active{
  background:var(--brand);color:#fff;border-bottom-color:transparent;
  box-shadow:0 8px 18px rgba(210,35,74,.24);
}
.channel-link.is-active i{color:rgba(255,255,255,.85);}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:var(--space-3) 0 0;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--ink-soft);
}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb i{font-size:10px;color:#BDB6C0;}

/* ---------- Hero ---------- */
.hero-install{position:relative;padding:var(--space-5) 0 var(--space-6);}
.hero-install::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 80% 0%,rgba(255,122,92,.10),transparent 62%),
             radial-gradient(700px 360px at 10% 10%,rgba(210,35,74,.07),transparent 60%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;grid-template-columns:7fr 5fr;gap:var(--space-6);
  align-items:center;
}
.hero-copy h1{font-size:40px;line-height:1.16;margin-bottom:var(--space-3);}
.hero-copy h1 .hl{
  color:var(--brand);
  background:linear-gradient(180deg,transparent 66%,rgba(210,35,74,.16) 66%);
  padding:0 2px;
}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-soft);max-width:520px;margin-bottom:var(--space-4);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:var(--space-4);}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px 8px 8px;
  box-shadow:var(--shadow);
}
.chip i{
  width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(210,35,74,.1);color:var(--brand);font-size:13px;
}
.chip b{font-family:var(--font-serif);font-size:15px;color:var(--ink);}
.chip span{font-size:13px;color:var(--ink-soft);}
.hero-visual{position:relative;}
.hero-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--card);
}
.hero-figure img{width:100%;height:420px;object-fit:cover;border-radius:0;}
.hero-float{
  position:absolute;left:-24px;bottom:28px;
  width:250px;background:#fff;border-radius:var(--radius-md);
  border:1px solid var(--line);box-shadow:var(--shadow);
  padding:16px 18px;
}
.hero-float .hf-top{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);font-weight:600;margin-bottom:6px;}
.hero-float h4{font-size:16px;margin-bottom:4px;}
.hero-float p{font-size:13px;color:var(--ink-soft);margin:0;display:flex;align-items:center;justify-content:space-between;gap:8px;}
.hero-float p i{color:var(--brand);font-size:12px;}

/* ---------- 步骤流 ---------- */
.step-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.step-flow{position:relative;display:flex;flex-direction:column;gap:var(--space-3);}
.step-flow::before{
  content:"";position:absolute;left:39px;top:24px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(210,35,74,.35) 60%,rgba(210,35,74,.08) 100%);
  border-radius:2px;
}
.step-item{
  position:relative;
  display:grid;grid-template-columns:80px 1fr;gap:var(--space-3);
  align-items:flex-start;
}
.step-index{
  width:56px;height:56px;margin:6px auto 0;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;
  font-family:var(--font-serif);font-size:22px;font-weight:700;
  border-radius:50%;
  box-shadow:0 10px 24px rgba(210,35,74,.3);
  position:relative;z-index:2;
}
.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:var(--space-4);
  box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(210,35,74,.28);}
.step-card h3{font-size:22px;margin-bottom:10px;}
.step-card p{color:var(--ink-soft);margin-bottom:var(--space-2);}
.step-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--space-3);align-items:center;}
.step-points{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;}
.step-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-soft);line-height:1.7;}
.step-points li i{color:var(--brand);font-size:12px;margin-top:7px;flex:0 0 auto;}
.step-thumb{
  border-radius:20px;overflow:hidden;background:var(--bg);
  border:1px solid var(--line);
}
.step-thumb img{width:100%;height:180px;object-fit:cover;border-radius:0;transition:transform .32s ease;}
.step-card:hover .step-thumb img{transform:scale(1.04);}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 数据徽章条 ---------- */
.stats-strip{background:var(--bg);border-bottom:1px solid var(--line);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:#fff;overflow:hidden;box-shadow:var(--shadow);
}
.stat-item{padding:var(--space-4) var(--space-3);text-align:center;border-left:1px solid var(--line);}
.stat-item:first-child{border-left:none;}
.stat-item i{color:var(--brand);font-size:18px;margin-bottom:10px;display:block;}
.stat-num{font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--ink);line-height:1.2;}
.stat-num em{font-style:normal;font-size:16px;color:var(--ink-soft);margin-left:4px;font-family:var(--font-sans);font-weight:500;}
.stat-label{font-size:14px;color:var(--ink-soft);margin-top:4px;}

/* ---------- 要求 / 清单 ---------- */
.require-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-3);}
.req-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:var(--space-4);box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.req-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.req-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(210,35,74,.1);color:var(--brand);font-size:18px;margin-bottom:var(--space-2);
}
.req-card h3{font-size:20px;margin-bottom:10px;}
.req-list{display:flex;flex-direction:column;gap:8px;}
.req-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:14px;color:var(--ink-soft);
  padding-bottom:8px;border-bottom:1px dashed var(--line);
}
.req-list li:last-child{border-bottom:none;padding-bottom:0;}
.req-list li b{color:var(--ink);font-weight:600;flex:0 0 auto;}

.checklist-wrap{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4);align-items:start;}
.checklist-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:var(--space-4);box-shadow:var(--shadow);
}
.checklist-card h3{font-size:20px;margin-bottom:var(--space-2);}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-soft);line-height:1.7;}
.check-list li i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:rgba(210,35,74,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:4px;
}
.note-panel{
  background:var(--ink);color:#F7F3EE;border-radius:var(--radius-lg);
  padding:var(--space-4);box-shadow:var(--shadow);
}
.note-panel h3{color:#fff;font-size:20px;margin-bottom:12px;}
.note-panel p{color:rgba(247,243,238,.78);font-size:15px;}
.note-panel .badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#fff;margin-top:6px;}

/* ---------- 下载渠道卡 ---------- */
.channel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-3);}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.dl-card figure{margin:0;overflow:hidden;}
.dl-card img{width:100%;height:170px;object-fit:cover;border-radius:0;transition:transform .32s ease;}
.dl-card:hover img{transform:scale(1.04);}
.dl-body{padding:var(--space-3);display:flex;flex-direction:column;gap:10px;flex:1;}
.dl-body h3{font-size:20px;margin:0;}
.dl-body p{font-size:14.5px;color:var(--ink-soft);margin:0;}
.dl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.accordion{border:none;background:transparent;display:flex;flex-direction:column;gap:12px;}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow);overflow:hidden;
}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-family:var(--font-serif);font-size:18px;font-weight:600;color:var(--ink);
  border:none;background:#fff;
  transition:color .25s ease,background .25s ease;
}
.accordion .accordion-title:hover{background:#FDF8F5;color:var(--brand-deep);}
.accordion .accordion-title:focus{outline:2px solid var(--brand);outline-offset:-2px;}
.accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);margin-right:14px;
  transition:transform .3s ease;
  order:-1;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--brand-deep);}
.accordion .accordion-item.is-active .accordion-title::before{transform:rotate(45deg);}
.accordion .accordion-title::after{display:none;}
.accordion .accordion-content{
  padding:0 24px 22px 24px;border:none;background:#fff;
  font-size:16px;line-height:1.8;color:var(--ink-soft);
}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  background:var(--ink);color:#F7F3EE;
  border-radius:var(--radius-xl);
  padding:var(--space-6);
  display:grid;grid-template-columns:1.05fr .95fr;gap:var(--space-5);
  align-items:center;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,35,74,.45),transparent 68%);
}
.cta-copy{position:relative;}
.cta-copy h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:12px;}
.cta-copy p{color:rgba(247,243,238,.76);font-size:16px;margin-bottom:var(--space-3);}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.cta-link{color:#F7F3EE;font-size:15px;border-bottom:1px solid rgba(247,243,238,.4);padding-bottom:2px;}
.cta-link:hover{color:var(--accent);border-color:var(--accent);}
.cta-form{
  position:relative;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  padding:var(--space-3);
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.cta-form .field{display:flex;flex-direction:column;gap:6px;}
.cta-form .field.full{grid-column:1/-1;}
.cta-form label{font-size:13px;color:rgba(247,243,238,.72);}
.cta-form input,.cta-form textarea{
  background:rgba(255,255,255,.94);
  border:1px solid transparent;border-radius:var(--radius-sm);
  padding:12px 14px;color:var(--ink);width:100%;min-height:48px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.cta-form textarea{min-height:96px;resize:vertical;line-height:1.7;}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(210,35,74,.7);
}
.form-hint{grid-column:1/-1;font-size:12.5px;color:rgba(247,243,238,.6);line-height:1.7;margin:0;}
.cta-form button{grid-column:1/-1;}

/* ---------- 保障条 ---------- */
.assure-strip{background:var(--bg);border-top:1px solid var(--line);}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.assure-item{padding:var(--space-4) var(--space-3);border-left:1px solid var(--line);}
.assure-item:first-child{border-left:none;}
.assure-item i{color:var(--brand);font-size:18px;margin-bottom:10px;display:block;}
.assure-item h4{font-size:16px;margin-bottom:4px;}
.assure-item p{font-size:13.5px;color:var(--ink-soft);margin:0;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F7F3EE;padding:var(--space-6) 0 var(--space-3);margin-top:var(--space-6);}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-text small{color:rgba(247,243,238,.6);}
.footer-brand .footer-about{color:rgba(247,243,238,.7);font-size:14px;line-height:1.8;margin-top:var(--space-2);max-width:320px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col p{color:rgba(247,243,238,.7);font-size:14px;line-height:1.9;margin:0;}
.footer-col a{color:rgba(247,243,238,.78);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:var(--space-5);padding-top:var(--space-3);
  border-top:1px solid rgba(247,243,238,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(247,243,238,.6);margin:0;}
.to-top{font-size:13px;color:rgba(247,243,238,.78);display:inline-flex;align-items:center;gap:6px;}
.to-top:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  h1{font-size:32px;}
  .hero-copy h1{font-size:32px;}
  .hero-inner{grid-template-columns:1fr;gap:var(--space-4);}
  .hero-figure img{height:340px;}
  .hero-float{left:auto;right:16px;bottom:16px;width:230px;}
  .section{padding:var(--space-6) 0;}
  .require-grid,.channel-cards{grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat-item:nth-child(3){border-left:none;}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line);}
  .cta-panel{grid-template-columns:1fr;padding:var(--space-5);gap:var(--space-4);}
  .assure-grid{grid-template-columns:1fr 1fr;}
  .assure-item:nth-child(3){border-left:none;}
  .assure-item:nth-child(n+3){border-top:1px solid var(--line);}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-row{display:none;}
  .channel-row.is-open{display:block;}
  .channel-scroll{flex-wrap:nowrap;}
}
@media screen and (max-width:768px){
  .header-tools .lang-btn,.header-tools .btn-primary{display:none;}
  .hero-copy h1{font-size:28px;}
  h2{font-size:24px;}
  .step-item{grid-template-columns:48px 1fr;gap:16px;}
  .step-flow::before{left:23px;}
  .step-index{width:40px;height:40px;font-size:16px;margin-top:10px;}
  .step-card{padding:var(--space-3);}
  .step-grid{grid-template-columns:1fr;}
  .checklist-wrap{grid-template-columns:1fr;}
  .require-grid,.channel-cards{grid-template-columns:1fr;}
  .cta-form{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:var(--space-5) 0;}
  .hero-copy h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-figure img{height:250px;}
  .hero-float{position:static;width:100%;margin-top:12px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-left:none;border-top:1px solid var(--line);}
  .stat-item:first-child{border-top:none;}
  .assure-grid{grid-template-columns:1fr;}
  .assure-item{border-left:none;border-top:1px solid var(--line);}
  .assure-item:first-child{border-top:none;}
  .cta-panel{padding:var(--space-4);border-radius:var(--radius-lg);}
  .accordion .accordion-title{font-size:16px;padding:16px 18px;}
  .accordion .accordion-content{padding:0 18px 18px;}
}

/* roulang page: category4 */
:root{
  --brand:#D2234A;
  --brand-deep:#9B1436;
  --accent:#FF7A5C;
  --ink:#1F1D22;
  --bg:#F7F3EE;
  --card:#FFFFFF;
  --line:#E6DFD6;
  --muted:#6B6672;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(31,29,34,.08);
  --shadow-hover:0 16px 40px rgba(210,35,74,.16);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,serif;
  --font-sans:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:600;color:var(--ink);line-height:1.32;margin:0;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:16px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--bg);}
.section--white{background:var(--card);}
.section-head{max-width:760px;margin-bottom:var(--sp-6);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:var(--sp-3);}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block;}
.section-title{font-size:30px;line-height:1.38;}
.section-sub{margin-top:var(--sp-3);color:var(--muted);font-size:16px;line-height:1.8;}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:44px;padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.3px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);color:#fff;box-shadow:0 8px 20px rgba(210,35,74,.24);}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-deep) 0%,var(--brand) 100%);transform:translateY(-2px);box-shadow:0 12px 26px rgba(155,20,54,.28);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);border-radius:14px;}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-deep);border-radius:999px;box-shadow:var(--shadow);}
.btn-light:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,243,238,.94);backdrop-filter:saturate(150%) blur(12px);transition:box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent;}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(31,29,34,.06);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0 12px;}
.logo{display:inline-flex;align-items:center;gap:12px;}
.logo-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);color:#fff;font-family:var(--font-serif);font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(210,35,74,.26);}
.logo-text{display:flex;flex-direction:column;font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:.4px;}
.logo-text small{font-family:var(--font-sans);font-size:12px;font-weight:400;color:var(--muted);letter-spacing:1.2px;margin-top:2px;}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;min-width:230px;transition:border-color .25s ease,box-shadow .25s ease;}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(210,35,74,.12);}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{border:0;outline:none;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#A9A3AE;}
.lang-btn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;transition:all .25s ease;}
.lang-btn:hover{border-color:var(--brand);color:var(--brand);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.channel-row{border-top:1px solid var(--line);background:rgba(255,255,255,.55);}
.channel-scroll{display:flex;align-items:center;gap:6px;padding:8px 0;overflow-x:auto;scrollbar-width:none;}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap;transition:color .25s ease,background .25s ease;}
.channel-link i{font-size:13px;opacity:.85;}
.channel-link:hover{color:var(--brand);}
.channel-link.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(210,35,74,.24);}
.channel-link.is-active:hover{color:#fff;}

/* 面包屑 */
.crumbs{background:var(--card);border-bottom:1px solid var(--line);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#C6BFB5;}
.crumbs a:hover{color:var(--brand);}
.crumbs li[aria-current="page"]{color:var(--ink);font-weight:500;}

/* 封面 Hero */
.hero-cover{position:relative;overflow:hidden;background:var(--ink);}
.hero-cover__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;transform:scale(1.02);}
.hero-cover__mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(31,29,34,.92) 0%,rgba(31,29,34,.74) 46%,rgba(155,20,54,.46) 100%);}
.hero-cover__glow{position:absolute;inset:0;background:linear-gradient(135deg,rgba(210,35,74,.08) 0%,rgba(255,122,92,.03) 60%,transparent 100%);}
.hero-inner{position:relative;z-index:2;color:#fff;padding:88px 0 76px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);font-size:13px;letter-spacing:1px;color:#fff;}
.hero-badge i{color:var(--accent);}
.hero-title{font-size:44px;line-height:1.22;color:#fff;margin-top:22px;max-width:840px;}
.hero-title em{font-style:normal;color:#FFC5B4;}
.hero-lead{margin-top:20px;max-width:640px;font-size:18px;line-height:1.8;color:rgba(255,255,255,.86);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6);}
.hero-actions .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;}
.hero-chip{display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:13px;color:rgba(255,255,255,.9);}
.hero-chip strong{font-family:var(--font-serif);font-size:16px;font-weight:700;color:#fff;}

/* 图集网格 */
.story-grid{margin-bottom:-32px;}
.story-grid > .cell{margin-bottom:32px;}
.story-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .32s ease,box-shadow .32s ease;}
.story-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.story-media{position:relative;display:block;overflow:hidden;background:#EFE9E1;}
.story-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.story-card:hover .story-media img{transform:scale(1.04);}
.story-card--wide .story-media{aspect-ratio:16/9;}
.story-card--tall .story-media{aspect-ratio:4/3;}
.story-card--mini .story-media{aspect-ratio:16/10;}
.story-time{position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--brand-deep);font-size:12px;font-weight:600;letter-spacing:.6px;box-shadow:0 4px 12px rgba(31,29,34,.12);}
.story-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:4px 12px;border-radius:8px;background:rgba(210,35,74,.08);color:var(--brand-deep);font-size:12px;font-weight:600;letter-spacing:.6px;}
.story-title{font-size:20px;line-height:1.45;}
.story-card--wide .story-title{font-size:24px;}
.story-desc{color:var(--muted);font-size:15px;line-height:1.8;}
.story-link{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:6px;font-size:14px;font-weight:600;color:var(--brand);}
.story-link i{transition:transform .25s ease;}
.story-link:hover i{transform:translateX(4px);}

/* 发布节奏时间线 */
.timeline-wrap{display:grid;grid-template-columns:1fr;gap:40px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--brand) 0%,rgba(210,35,74,.16) 100%);}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-30px;top:9px;width:16px;height:16px;border-radius:50%;background:var(--card);border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(210,35,74,.08);}
.tl-date{font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);}
.tl-title{font-size:19px;margin-top:6px;}
.tl-desc{color:var(--muted);font-size:15px;line-height:1.8;margin-top:8px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);}
.side-card h3{font-size:22px;margin-bottom:16px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:12px;font-size:15px;color:var(--muted);line-height:1.75;}
.side-list i{color:var(--brand);margin-top:6px;font-size:13px;}
.side-card .btn{margin-top:24px;width:100%;}

/* 数据条 */
.stat-strip{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0;}
.stat-cell{padding:8px 0;}
.stat-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:8px 12px;}
.stat-icon{width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px;}
.stat-num{font-family:var(--font-serif);font-size:34px;font-weight:700;color:var(--ink);line-height:1.1;}
.stat-num span{font-size:16px;font-weight:600;color:var(--brand);margin-left:4px;}
.stat-label{font-size:14px;color:var(--muted);line-height:1.7;}
@media (min-width:640px){
  .stat-cell + .stat-cell .stat-inner{border-left:1px solid var(--line);}
}

/* 评价摘录 */
.quote-card{display:flex;flex-direction:column;gap:16px;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stars{display:flex;gap:4px;color:#E8A33D;font-size:13px;}
.quote-text{font-size:16px;line-height:1.85;color:var(--ink);}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:8px;border-top:1px solid var(--line);}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:16px;font-weight:700;}
.person-name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4;}
.person-role{font-size:13px;color:var(--muted);line-height:1.4;}

/* FAQ */
.faq-list{background:transparent;border:0;margin:0;}
.faq-list .accordion-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;box-shadow:none;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-list .accordion-item:hover{border-color:#D9CFC3;}
.faq-list .accordion-item:last-child{margin-bottom:0;}
.faq-list .accordion-title{position:relative;padding:20px 62px 20px 24px;border:0;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink);border-radius:var(--radius-md);transition:color .25s ease;}
.faq-list .accordion-title:hover{color:var(--brand);}
.faq-list .accordion-title::before{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:28px;height:28px;line-height:26px;text-align:center;border-radius:50%;background:var(--bg);color:var(--brand);font-family:var(--font-sans);font-size:18px;font-weight:600;transition:transform .3s ease,background .3s ease,color .3s ease;}
.faq-list .accordion-item.is-active{border-color:rgba(210,35,74,.35);box-shadow:0 10px 26px rgba(210,35,74,.1);}
.faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);background:var(--brand);color:#fff;}
.faq-list .accordion-content{border:0;background:transparent;padding:0 24px 22px;color:var(--muted);font-size:16px;line-height:1.85;}

/* CTA 面板 */
.cta-panel{position:relative;overflow:hidden;background:var(--ink);border-radius:32px;padding:56px;color:#fff;box-shadow:0 20px 48px rgba(31,29,34,.2);}
.cta-panel::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(210,35,74,.4) 0%,rgba(210,35,74,0) 70%);}
.cta-panel h2{color:#fff;font-size:32px;line-height:1.36;position:relative;z-index:2;}
.cta-panel p{position:relative;z-index:2;margin-top:16px;color:rgba(255,255,255,.78);font-size:16px;line-height:1.85;max-width:520px;}
.cta-points{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);}
.cta-points i{color:var(--accent);}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:28px;}
.field{margin-bottom:16px;}
.field:last-of-type{margin-bottom:0;}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px;letter-spacing:.5px;}
.field input,.field textarea{width:100%;padding:13px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;font-size:15px;line-height:1.6;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(210,35,74,.28);background:rgba(255,255,255,.12);}
.field textarea{min-height:104px;resize:vertical;}
.cta-form .btn{width:100%;margin-top:20px;}
.form-tip{min-height:22px;margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
.form-tip.is-ok{color:#FFC5B4;}

/* 页脚 */
.site-footer{background:var(--ink);color:#EDE7DE;padding:72px 0 0;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.55);}
.footer-about{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{color:#fff;font-size:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.6px;margin-bottom:16px;}
.footer-col p{font-size:13px;line-height:1.95;color:rgba(255,255,255,.62);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13px;color:rgba(255,255,255,.66);}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);}
.to-top{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);min-height:44px;}
.to-top:hover{color:var(--brand);}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .hero-title{font-size:32px;}
  .hero-inner{padding:64px 0 56px;}
  .hero-lead{font-size:17px;}
  .cta-panel{padding:40px;}
  .cta-panel h2{font-size:26px;}
  .story-card--tall{margin-top:0;}
}
@media (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .search-box,.lang-btn{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  body.tools-open .search-box{display:flex;position:absolute;left:18px;right:18px;top:72px;z-index:70;min-width:0;box-shadow:var(--shadow);}
  body.tools-open .lang-btn{display:inline-flex;position:absolute;right:18px;top:130px;z-index:70;background:#fff;box-shadow:var(--shadow);}
  .logo-text{font-size:16px;}
  .logo-mark{width:38px;height:38px;font-size:18px;}
  .header-tools .btn-sm{display:none;}
  .hero-title{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-chips{gap:8px;}
  .hero-chip{font-size:12px;padding:8px 14px;}
  .section-title{font-size:24px;}
  .story-body{padding:20px;}
  .story-card--wide .story-title{font-size:21px;}
  .cta-panel{padding:28px 22px;border-radius:24px;}
  .cta-form{padding:20px;}
  .side-card{padding:24px;}
  .footer-brand .logo-text{font-size:16px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%;}
  .hero-chips{flex-direction:column;align-items:flex-start;}
  .stat-num{font-size:28px;}
  .quote-card{padding:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}