/* roulang page: index */
:root{
  --brand:#123B38;
  --brand-deep:#0B2826;
  --brand-light:#2B5E59;
  --gold:#C9A05A;
  --gold-deep:#B8893F;
  --gold-soft:#F6EFDF;
  --surface:#F7F6F0;
  --card:#FFFFFF;
  --ink:#1C2B2A;
  --ink-2:#53635F;
  --ink-3:#84908C;
  --line:rgba(15,45,42,.12);
  --success:#2E9E64;
  --danger:#C45050;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:10px;
  --shadow-card:0 6px 24px rgba(12,42,35,.07);
  --shadow-hover:0 14px 40px rgba(12,42,35,.12);
  --container:1200px;
  --section-y:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--surface);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{padding-left:0;margin:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4,h5{line-height:1.35;margin:0;}
.container{max-width:var(--container);margin:0 auto;padding-left:56px;padding-right:56px;}
.d-none{display:none!important;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease;
  will-change:transform;
}
.btn:hover{transform:translateY(-1.5px);}
.btn:focus-visible,.icon-btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--gold);outline-offset:3px;
}
.btn-gold{
  background:linear-gradient(135deg,#D4AF6A,#C0954B);color:#123B38;
  box-shadow:0 8px 22px rgba(192,149,74,.28);
}
.btn-gold:hover{background:linear-gradient(135deg,#DcBB77,#C9A05A);box-shadow:var(--shadow-hover);}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;
  border:1px solid rgba(255,255,255,.45);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.16);}
.btn-ink{
  background:#fff;color:var(--brand-deep);
  border:1px solid var(--brand-deep);
}
.btn-ink:hover{border-color:var(--brand);background:#F4F7F5;color:var(--brand);}
.btn-block{width:100%;}

.section{padding:var(--section-y) 0;}
.section-large{padding:116px 0;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;letter-spacing:.14em;color:var(--gold-deep);
  margin-bottom:14px;font-weight:600;
}
.section-eyebrow::before{content:"";width:28px;height:2px;background:var(--gold);}
.section-title{font-size:32px;line-height:1.4;color:var(--ink);}
.section-lead{margin-top:12px;color:var(--ink-2);font-size:17px;max-width:720px;}
.radius-box{border-radius:var(--r-lg);overflow:hidden;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  box-shadow:0 2px 18px rgba(12,42,35,.03);
}
.header-row{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#14504a,#0B2F2B);
  color:#E5C88B;font-weight:700;font-size:20px;
  box-shadow:inset 0 0 0 1px rgba(201,160,90,.5);
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--brand-deep);white-space:nowrap;}
.logo-text em{color:var(--gold-deep);font-style:normal;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.main-nav a{
  padding:9px 16px;border-radius:999px;color:var(--ink-2);
  font-size:15px;font-weight:500;transition:.18s;
}
.main-nav a:hover{color:var(--brand);background:rgba(18,59,56,.06);}
.main-nav a.active{color:var(--brand-deep);background:rgba(18,59,56,.08);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;gap:6px;height:44px;
  border:1px solid rgba(15,45,42,.18);border-radius:999px;padding-left:12px;padding-right:6px;
  background:#fff;width:230px;transition:width .2s,box-shadow .2s;
}
.search-box:focus-within{width:280px;border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(43,94,89,.09);}
.search-box svg{flex-shrink:0;color:var(--ink-3);}
.search-box input{min-width:0;flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);}
.search-box .search-go{
  height:32px;padding:0 13px;border-radius:999px;background:var(--gold-soft);
  color:var(--brand-deep);font-size:13px;font-weight:600;transition:.18s;
}
.search-box .search-go:hover{background:#EDDFC3;}
.search-toggle{display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;}
.nav-burger{display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;}
.nav-burger span{display:block;width:18px;height:2px;background:var(--brand-deep);margin:3px 0;transition:.2s;}
body.nav-open .nav-burger span:nth-child(1){transform:translateY(5px) rotate(45deg);}
body.nav-open .nav-burger span:nth-child(2){opacity:0;}
body.nav-open .nav-burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}


/* Hero */
.hero{
  position:relative;background:var(--brand-deep);
  background-image:radial-gradient(circle at 88% 20%,rgba(201,160,90,.22),transparent 35%),linear-gradient(115deg,#0C2F2C 0%,#14453F 62%,#18544D 100%);
  color:#fff;border-radius:0 0 48px 48px;overflow:hidden;isolation:isolate;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;top:0;bottom:0;z-index:-2;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:54px 54px;mask-image:linear-gradient(135deg,transparent 10%,#000 80%);
}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:56px;padding:88px 0 104px;align-items:center;}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:999px;
  color:#E8D5AA;font-size:13px;letter-spacing:.05em;margin-bottom:20px;
}
.hero-pill .dot{width:7px;height:7px;background:#72C79B;border-radius:50%;box-shadow:0 0 0 4px rgba(114,199,155,.16);}
.hero h1{
  font-size:52px;line-height:1.24;font-weight:800;letter-spacing:.01em;color:#fff;max-width:620px;
}
.hero h1 .gold{color:#E8C88E;position:relative;white-space:nowrap;}
.hero-sub{
  margin-top:22px;font-size:17px;color:rgba(255,255,255,.82);max-width:560px;line-height:1.8;
}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92);}
.hero-points li svg{color:#DDBE7F;flex-shrink:0;}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px;}
.hero-meta{margin-top:20px;font-size:13px;color:rgba(255,255,255,.58);}
.hero-visual{position:relative;border-radius:26px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.34);}
.hero-visual img{width:100%;height:540px;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,30,26,.1),rgba(5,30,26,.55));}
.hero-vcard{
  position:absolute;left:24px;right:24px;bottom:24px;z-index:2;color:#fff;
  background:rgba(10,35,31,.72);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:20px;
}
.hero-vcard .tag{font-size:12px;color:#E5C88B;letter-spacing:.1em;display:block;margin-bottom:6px;}
.hero-vcard strong{font-size:17px;line-height:1.6;display:block;font-weight:600;}
.hero-vcard ol{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.hero-vcard ol li{font-size:13px;color:rgba(255,255,255,.8);background:rgba(255,255,255,.08);border-radius:999px;padding:4px 12px;}
.float-status{
  position:absolute;top:20px;right:-10px;z-index:3;background:#fff;color:var(--brand-deep);
  border-radius:14px;box-shadow:var(--shadow-hover);padding:12px 18px;font-weight:600;font-size:13px;
  transform:rotate(2deg);
}
.float-status span{display:block;color:var(--ink-3);font-weight:400;font-size:12px;margin-top:2px;}

/* Metrics */
.metric-band{background:var(--gold-soft);padding:34px 0 40px;border-bottom:1px solid var(--line);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric-item{position:relative;text-align:left;padding-left:24px;}
.metric-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:linear-gradient(180deg,#C9A05A,transparent);border-radius:4px;}
.metric-item strong{
  display:block;font-size:34px;font-weight:800;color:var(--brand-deep);line-height:1.5;
}
.metric-item strong small{font-size:15px;font-weight:600;color:var(--gold-deep);}
.metric-item span{color:var(--ink-2);font-size:15px;}

/* Steps */
.steps-section{background:#fff;padding:100px 0;}
.steps-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;}
.steps-list{position:relative;padding:0;}
.steps-list::before{content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,#C9A05A,#123B38 45%,rgba(201,160,90,.2));}
.step-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:14px;
  padding:8px 8px 34px;background:#fff;
}
.step-num{
  width:56px;height:56px;border-radius:18px;background:var(--brand-deep);color:#E8C88E;
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
  position:relative;z-index:1;box-shadow:0 8px 16px rgba(11,40,38,.17);
}
.step-item:nth-child(2) .step-num{background:#fff;color:var(--brand-deep);border:1px solid var(--brand-deep);}
.step-item:nth-child(3) .step-num{background:var(--gold);color:var(--brand-deep);}
.step-item h3{font-size:19px;color:var(--ink);font-weight:700;}
.step-item .step-time{font-size:13px;color:var(--gold-deep);display:block;margin-top:4px;}
.step-item p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:460px;}
.step-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  color:var(--brand);font-size:14px;font-weight:600;border-bottom:1px solid rgba(18,59,56,.3);
  padding-bottom:2px;transition:border .2s,color .2s;
}
.step-link:hover{color:var(--gold-deep);border-color:var(--gold);}
.step-preview{
  border-radius:var(--r-lg);overflow:hidden;position:sticky;top:110px;
  border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff;
}
.preview-head{
  background:linear-gradient(135deg,#103B36,#0b2a26);padding:18px 22px;display:flex;align-items:center;justify-content:space-between;
}
.preview-head span{color:rgba(255,255,255,.9);font-size:14px;}
.preview-head i{width:28px;height:28px;border-radius:50%;background:var(--gold);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;}
.preview-body{padding:26px;}
.preview-body .row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px dashed rgba(0,0,0,.1);font-size:14px;}
.preview-body .row:last-child{border-bottom:0;}
.preview-body .row .k{color:var(--ink-3);}
.preview-body .row .v{font-weight:600;color:var(--ink);}
.preview-note{
  background:var(--gold-soft);border-radius:16px;padding:16px 18px;font-size:14px;color:var(--brand-deep);
  display:flex;gap:10px;margin-top:20px;
}

/* Latest news */
.news-section{background:var(--surface);}
.news-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:44px;}
.news-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;white-space:nowrap;}
.news-link:hover{color:var(--gold-deep);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-card{
  background:#fff;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  display:flex;flex-direction:column;box-shadow:0 3px 14px rgba(12,42,35,.03);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(201,160,90,.5);}
.news-media{display:block;height:190px;position:relative;overflow:hidden;background:var(--brand-deep);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.news-card:hover .news-media img{transform:scale(1.05);}
.news-media-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#164A44,#0C2A26);color:#E8C88E;font-size:58px;font-weight:700;
}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;}
.badge{
  display:inline-flex;align-items:center;background:rgba(201,160,90,.14);color:#9A7326;
  font-size:12px;padding:3px 12px;border-radius:999px;font-weight:600;
}
.news-meta time{font-size:13px;color:var(--ink-3);}
.news-body h3{font-size:17px;line-height:1.6;font-weight:700;color:var(--ink);margin-bottom:8px;}
.news-body h3 a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover h3 a{color:var(--brand);}
.news-body p{
  color:var(--ink-2);font-size:14px;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:4px 0 16px;
}
.read-more{margin-top:auto;color:var(--gold-deep);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.read-more:hover{color:var(--brand);}
.empty-news{
  background:#fff;border-radius:var(--r-md);border:1px dashed rgba(15,45,42,.22);
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:30px;
}
.empty-news .empty-icon{width:54px;height:54px;border-radius:50%;background:#E8ECEA;display:flex;align-items:center;justify-content:center;color:var(--brand-light);}
.empty-news p{color:var(--ink-2);font-size:15px;}

/* Cases */
.cases-section{background:#fff;}
.cases-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:46px;}
.cases-desc{max-width:360px;color:var(--ink-2);font-size:15px;line-height:1.8;}
.case-main{
  display:grid;grid-template-columns:7fr 5fr;background:var(--surface);
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);margin-bottom:26px;
}
.case-media{position:relative;overflow:hidden;min-height:320px;}
.case-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.case-media .tag-abs{
  position:absolute;top:18px;left:18px;background:rgba(11,40,38,.82);color:#E8C88E;
  padding:5px 14px;border-radius:999px;font-size:12px;backdrop-filter:blur(6px);
}
.case-info{padding:34px;display:flex;flex-direction:column;}
.case-info h3{font-size:24px;font-weight:700;}
.case-info>p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.9;}
.case-table{margin-top:22px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;}
.case-table .row{display:flex;justify-content:space-between;padding:11px 15px;border-bottom:1px solid rgba(0,0,0,.05);font-size:13px;background:#fff;}
.case-table .row:nth-child(even){background:#FAFAF6;}
.case-table .row:last-child{border-bottom:0;}
.case-table .row .v{font-weight:600;text-align:right;}
.case-link{margin-top:22px;align-self:flex-start;color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;gap:6px;}
.case-link:hover{color:var(--gold-deep);}
.case-floor{
  display:grid;grid-template-columns:5fr 7fr;background:linear-gradient(120deg,#173F39,#0E2B27);
  color:#fff;border-radius:var(--r-lg);overflow:hidden;margin-bottom:18px;
}
.case-floor .floor-icon{background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;position:relative;}
.case-floor .floor-icon img{height:100%;min-height:220px;width:100%;object-fit:cover;opacity:.32;position:absolute;}
.case-floor .floor-icon .c-num{position:relative;font-size:70px;color:#E8C88E;font-weight:800;opacity:.9;}
.case-floor .floor-text{padding:30px 34px;}
.case-floor h4{font-size:19px;font-weight:700;margin-bottom:10px;}
.case-floor p{color:rgba(255,255,255,.76);font-size:14px;line-height:1.9;}
.case-tip{margin-top:12px;font-size:12px;color:var(--ink-3);line-height:1.7;}

/* FAQ */
.faq-section{background:var(--surface);}
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:64px;align-items:start;}
.faq-side{position:sticky;top:120px;}
.faq-side .faq-contact{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;}
.faq-side .faq-contact h4{font-size:16px;font-weight:700;}
.faq-side .faq-contact p{margin-top:8px;font-size:14px;color:var(--ink-2);}
.faq-list{direction:ltr;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;
  overflow:hidden;transition:background .2s,border-color .2s;padding:0;
}
.faq-item[open]{background:var(--gold-soft);border-color:rgba(201,160,90,.55);box-shadow:0 4px 16px rgba(201,160,90,.08);}
.faq-item summary{
  list-style:none;padding:20px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{display:flex;align-items:center;gap:14px;flex:1;}
.faq-num{
  display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
  background:rgba(18,59,56,.06);color:var(--brand);font-size:15px;font-weight:700;flex-shrink:0;
  transition:.2s;
}
.faq-item[open] .faq-num{background:var(--brand);color:#E8C88E;}
.faq-q h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.faq-icon{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;border:2px solid var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand-light);position:relative;
  transition:.25s;
}
.faq-icon::before{content:"+";font-size:20px;font-weight:500;line-height:1;margin-top:-2px;}
.faq-item[open] .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(45deg);}
.faq-answer{padding:0 22px 22px 70px;color:var(--ink-2);font-size:15px;line-height:1.9;}
.faq-support{display:flex;justify-content:flex-end;margin-top:18px;}
.faq-support a{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px;
  background:#fff;border:1px solid var(--line);padding:14px 20px;border-radius:999px;transition:.2s;
}
.faq-support a:hover{border-color:var(--brand);transform:translateY(-2px);}

/* CTA apply */
.apply-section{
  background:linear-gradient(135deg,#0C2D29,#123B35 55%,#173D35);color:#fff;position:relative;overflow:hidden;
}
.apply-section::before{
  content:"";position:absolute;inset:0;opacity:.15;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:48px 48px;
}
.apply-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:100px 0;}
.apply-copy h2{font-size:34px;line-height:1.4;max-width:490px;color:#fff;}
.apply-copy h2 .gold{color:#E8C88E;}
.apply-copy>p{margin-top:18px;color:rgba(255,255,255,.78);font-size:16px;line-height:2;max-width:480px;}
.apply-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.apply-tags li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:8px 16px;font-size:14px;color:rgba(255,255,255,.88);}
.apply-card{
  background:#fff;border-radius:24px;padding:28px;color:var(--ink);box-shadow:0 24px 80px rgba(0,0,0,.25);
}
.apply-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}
.apply-card-top h3{font-size:20px;color:var(--brand-deep);font-weight:700;}
.apply-card-top .badge{display:block;font-size:11px;background:rgba(46,158,100,.14);color:var(--success);}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px;font-weight:600;}
.form-field label i{color:var(--danger);font-style:normal;margin-left:2px;}
.form-field .hint{font-size:12px;color:var(--ink-3);}
.form-control,.form-select{
  width:100%;height:48px;background:#F7F7F3;border:1px solid rgba(15,45,42,.16);border-radius:12px;
  padding:0 14px;font-size:15px;color:var(--ink);outline:0;transition:.2s border,box-shadow;
}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2353635f' stroke-width='2'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;
}
.form-control:focus,.form-select:focus{border-color:var(--brand-light);box-shadow:0 0 0 4px rgba(18,59,56,.08);}
.form-error{display:none;color:var(--danger);font-size:12px;margin-top:6px;}
.form-field.has-error .form-control,.form-field.has-error .form-select{border-color:var(--danger);}
.form-field.has-error .form-error{display:block;}
.success-box{
  text-align:center;padding:28px 12px;
}
.success-box .ok-icon{
  width:60px;height:60px;margin:0 auto;border-radius:50%;background:rgba(46,158,100,.12);
  display:flex;align-items:center;justify-content:center;color:var(--success);
}
.success-box h4{margin-top:18px;font-size:21px;color:var(--brand-deep);}
.success-box p{margin:14px auto;max-width:340px;color:var(--ink-2);font-size:14px;line-height:1.8;}
.success-box .code{
  display:inline-block;margin-top:6px;background:var(--gold-soft);border-radius:10px;
  padding:8px 18px;color:var(--gold-deep);font-weight:700;font-size:15px;
}

/* Footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.74);}
.footer-main{display:grid;grid-template-columns:4fr 2.6fr 2.6fr 2.8fr;gap:50px;padding:84px 0 60px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-text{color:#fff;display:block;margin-top:4px;line-height:1.5;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:2;color:rgba(255,255,255,.62);max-width:320px;}
.footer-brand .footer-mark{display:inline-block;margin-top:20px;color:#E8C88E;font-size:13px;border:1px solid rgba(201,160,90,.4);padding:4px 12px;border-radius:999px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col nav{display:flex;flex-direction:column;gap:12px;}
.footer-col nav a,.footer-col a{font-size:14px;color:rgba(255,255,255,.65);transition:.2s;}
.footer-col nav a:hover{color:#E8C88E;padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;}

@media (max-width:1180px){
  .container{padding-left:36px;padding-right:36px;}
  .search-box{width:190px;}
  .hero h1{font-size:44px;}
  .case-info{padding:24px;}
}
@media (max-width:1023px){
  :root{--section-y:80px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:62px 0 78px;}
  .hero-visual{max-width:560px;}
  .steps-layout,.faq-layout,.apply-inner{grid-template-columns:1fr;gap:44px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:38px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:26px 20px;}
  .metric-item:nth-child(3){border-left:0;}
  .faq-side{position:relative;top:auto;}
  .search-box{width:170px;}
}
@media (max-width:767px){
  :root{--section-y:64px;}
  .container{padding-left:20px;padding-right:20px;}
  .site-header .main-nav,.header-actions .search-box,.header-actions .header-cta-desktop{
    display:none;
  }
  .header-row{height:66px;}
  .logo-text{font-size:16px;letter-spacing:0;}
  .logo-mark{width:32px;height:32px;font-size:17px;}
  .nav-burger{display:flex;}
  .search-toggle{display:flex;background:var(--gold-soft);color:var(--brand-deep);}
  .header-actions{gap:6px;}
  .header-actions .header-cta-desktop .btn{display:none;}
 
  /* mobile drawer */
  .main-nav{
    display:flex;position:fixed;top:66px;left:-280px;width:280px;height:calc(100vh - 66px);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:24px 16px;
    box-shadow:20px 0 40px rgba(0,0,0,.16);transition:left .28s;z-index:88;
    margin:0;border-top:1px solid var(--line);
  }
  body.nav-open .main-nav{left:0;}
  .main-nav a{padding:13px 16px;border-radius:12px;font-size:16px;}
  .main-nav a.active{background:var(--gold-soft);color:var(--brand-deep);}
  .hero{border-radius:0;}
  .hero h1{font-size:36px;line-height:1.35;}
  .hero-inner{padding-top:52px;}
  .hero-sub{font-size:15px;}
  .hero-vcard ol{display:none;}
  .hero-vcard{padding:16px;}
  .hero-vcard strong{font-size:15px;}
  .float-status{display:none;}
  .section-title{font-size:25px;line-height:1.45;}
  .section-lead{font-size:15px;}
  .news-head{display:block;}
  .news-head .section-title{margin-right:80px;}
  .news-link{font-size:13px;}
  .news-grid{grid-template-columns:1fr;}
  .metric-item strong{font-size:30px;}
  .metrics-box{padding:0;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px 14px;}
  .metric-item{padding-left:16px;}
  .metric-item span{font-size:13px;}
  .steps-layout,.faq-layout,.apply-inner{gap:32px;}
  .step-item{grid-template-columns:44px 1fr;padding-left:0;gap:12px;}
  .step-num{width:44px;height:44px;font-size:18px;border-radius:14px;}
  .steps-list::before{left:20px;}
  .preview-body .row{font-size:13px;}
  .case-main,.case-floor{grid-template-columns:1fr;}
  .case-media{height:240px;position:relative;}
  .case-media img{position:absolute;}
  .case-floor .floor-icon{height:120px;}
  .case-info{padding:22px 20px;}
  .case-info h3{font-size:20px;}
  .cases-head{display:block;}
  .cases-desc{margin-top:12px;max-width:none;}
  .faq-answer{padding:4px 18px 18px;}
  .faq-q h3{font-size:15px;}
  .apply-tags{display:block;text-align:left;}
  .apply-tags li{display:inline-block;margin:0 6px 8px 0;}
  .apply-card{padding:20px;}
  .footer-main{grid-template-columns:1fr;gap:30px;padding:60px 0 40px;}
  .footer-bottom{flex-direction:column;}
  .search-toggle{width:38px;height:38px;}
  .header-actions .icon-btn{width:38px;height:38px;}
}
@media (max-width:520px){
  .hero-points{gap:6px 12px;}
  .hero-points li{width:calc(50% - 6px);font-size:13px;}
  .hero-cta .btn{flex:1;min-width:150px;}
  .metric-grid{gap:18px 10px;}
  .metric-item strong{font-size:25px;}
  .hero h1 .gold{white-space:normal;}
  .apply-inner{padding:64px 0;}
  .footer-brand p{font-size:13px;}
}

/* roulang page: article */
:root{
  --brand:#123B38;
  --brand-deep:#0B2826;
  --brand-light:#2B5E59;
  --gold:#C9A05A;
  --gold-soft:#F6EFDF;
  --surface:#F7F6F0;
  --card:#FFFFFF;
  --ink:#1C2B2A;
  --ink-2:#53635F;
  --ink-3:#84908C;
  --line:rgba(15,45,42,0.10);
  --success:#2E9E64;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:10px;
  --shadow-card:0 6px 24px rgba(12,42,35,0.07);
  --shadow-hover:0 14px 40px rgba(12,42,35,0.12);
  --container:1200px;
  --header-h:72px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  background:var(--surface);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
article{display:block}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-sm);
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  min-height:44px;
  transition:all .2s var(--ease);
  text-align:center;
  line-height:1.2;
}
.btn svg,.btn i{width:17px;height:17px;flex:0 0 auto}
.btn-gold{background:var(--gold);color:var(--brand-deep);border-color:var(--gold);box-shadow:0 4px 14px rgba(201,160,90,.3)}
.btn-gold:hover{background:#b8914a;border-color:#b8914a;color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(201,160,90,.4)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.2);border-color:#fff}
.btn-outline{background:transparent;color:var(--brand);border-color:rgba(18,59,56,.35)}
.btn-outline:hover{border-color:var(--brand);background:rgba(18,59,56,.05)}
.btn-outline-gold{background:transparent;color:var(--brand);border-color:rgba(201,160,90,.7)}
.btn-outline-gold:hover{background:var(--gold-soft);border-color:var(--gold)}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 16px rgba(12,42,35,.05);
  height:var(--header-h);
}
.header-row{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:20px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:700;color:var(--brand);white-space:nowrap}
.logo-mark{
  width:38px;height:38px;border-radius:50%;
  background:var(--brand);
  color:var(--gold);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  font-weight:800;
  flex:0 0 auto;
  box-shadow:inset 0 0 0 1.5px rgba(201,160,90,.6), 0 2px 6px rgba(11,40,38,.2);
}
.logo-text{font-size:19px;letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:10px 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  transition:all .2s var(--ease);
  position:relative;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--brand);background:rgba(18,59,56,.06)}
.main-nav a.active{color:var(--brand);background:rgba(18,59,56,.09);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  overflow:hidden;
  transition:all .3s var(--ease);
  width:210px;
}
.search-box:focus-within{width:300px;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(201,160,90,.18)}
.search-toggle{background:none;border:none;padding:0;display:none;align-items:center;justify-content:center;width:42px;height:42px;color:var(--brand);cursor:pointer;border-radius:50%}
.search-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.search-box input{
  flex:1;background:transparent;border:none;outline:none;
  padding:0 10px 0 18px;height:44px;color:var(--ink);font-size:14px;min-width:0;
}
.search-box input::-webkit-search-cancel-button{display:none}
.search-box input::placeholder{color:var(--ink-3)}
.search-go{
  background:none;border:none;color:var(--brand);font-size:14px;font-weight:600;
  height:44px;padding:0 18px;cursor:pointer;transition:background .2s;
}
.search-go:hover{background:rgba(18,59,56,.06)}
.header-cta-desktop{min-height:42px;padding:10px 22px;font-size:14px}
.nav-burger{display:none;width:44px;height:44px;background:var(--surface);border:1px solid var(--line);border-radius:10px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:all .2s}
.nav-burger:hover{border-color:var(--gold)}
.nav-burger span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:all .3s var(--ease)}
.nav-burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.active span:nth-child(2){opacity:0}
.nav-burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 文章封面区 */
.article-hero{
  background:var(--brand);
  background-image:
    radial-gradient(at 85% 15%, rgba(201,160,90,.12) 0, transparent 480px),
    radial-gradient(at 15% 85%, rgba(43,94,89,.35) 0, transparent 420px);
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;top:0;right:0;width:420px;height:100%;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:28px 28px;
  pointer-events:none;
}
.article-hero .pattern-num{
  position:absolute;right:6%;top:10px;font-size:260px;font-weight:800;
  color:rgba(201,160,90,.08);line-height:1;user-select:none;font-family:Inter,Arial,sans-serif;pointer-events:none;
}
.breadcrumb-wrap{padding:22px 0 0;position:relative;z-index:2}
.breadcrumb-wrap nav{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.68)}
.breadcrumb-wrap a{color:rgba(255,255,255,.85);transition:opacity .2s}
.breadcrumb-wrap a:hover{opacity:1;color:var(--gold)}
.breadcrumb-wrap .sep{opacity:.45}
.breadcrumb-wrap .current{opacity:.78;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:340px}
.article-head{position:relative;z-index:2;padding:24px 0 44px;max-width:920px}
.article-head .category-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(201,160,90,.18);color:var(--gold);
  border-radius:999px;padding:6px 16px;font-size:13px;
  border:1px solid rgba(201,160,90,.32);
  margin-bottom:18px;
}
.article-head h1{
  font-size:clamp(28px,4vw,40px);
  line-height:1.28;
  color:#fff;
  font-weight:700;
  letter-spacing:.2px;
  margin-bottom:14px;
}
.article-head .sublead{font-size:15px;color:rgba(255,255,255,.72);line-height:1.7;margin-bottom:24px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13px;color:rgba(255,255,255,.7);border-top:1px solid rgba(255,255,255,.14);padding-top:18px}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--gold);font-size:14px}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.45)}

/* 正文 */
.article-body-wrap{background:var(--surface);padding:52px 0 0;position:relative;z-index:3;margin-top:-26px;border-radius:26px 26px 0 0}
.layout-article{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:50px;align-items:start;max-width:var(--container);margin:0 auto}
.article-main{min-width:0;background:#fff;border-radius:var(--radius-md);padding:48px 58px;box-shadow:var(--shadow-card);border:1px solid rgba(15,45,42,.04)}
.article-feature-img{border-radius:16px;overflow:hidden;margin-bottom:38px;position:relative}
.article-feature-img img{width:100%;max-height:460px;object-fit:cover}
.article-feature-img .figcap{background:var(--gold-soft);color:var(--ink-2);font-size:12.5px;text-align:center;padding:10px 16px;line-height:1.6}
.article-body{font-size:17px;line-height:1.95;color:var(--ink);letter-spacing:.02em}
.article-body p{line-height:1.95;margin-bottom:1.25em}
.article-body h2{
  font-size:25px;
  margin:2.2em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--gold);
  line-height:1.4;
  font-weight:700;
  color:var(--brand-deep);
}
.article-body h3{font-size:20px;margin:2em 0 .6em;color:var(--brand);font-weight:600;line-height:1.5}
.article-body h4{font-size:18px;margin:1.6em 0 .5em;color:var(--brand);font-weight:600}
.article-body ul{margin:1.2em 0 1.5em;padding:0}
.article-body ul li{
  padding-left:30px;position:relative;margin-bottom:10px;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--gold);border:2px solid rgba(201,160,90,.25);
}
.article-body ol{counter-reset:timeline;margin:1.4em 0}
.article-body ol>li{
  counter-increment:timeline;margin-bottom:12px;padding-left:22px;position:relative;line-height:1.9;
}
.article-body ol>li::before{
  content:counter(timeline);
  position:absolute;left:0;top:2px;width:20px;height:20px;
  border-radius:50%;background:var(--brand);color:#fff;font-size:11px;
  font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  background:var(--gold-soft);border-left:4px solid var(--brand);
  padding:18px 24px;border-radius:0 12px 12px 0;
  margin:1.6em 0;color:var(--brand-deep);font-size:15.5px;
}
.article-body blockquote p{line-height:1.8;margin-bottom:.4em}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.6em 0 .8em;box-shadow:var(--shadow-card)}
.article-body .img-note{font-size:13px;color:var(--ink-3);margin-top:-5px;margin-bottom:20px;text-align:center;padding:0 14px}
.article-body a{color:var(--brand);border-bottom:1px solid var(--gold);font-weight:500;transition:background .2s}
.article-body a:hover{background:rgba(201,160,90,.18)}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;display:block;overflow-x:auto}
.article-body table th{
  background:var(--brand);color:#fff;text-align:left;
  padding:14px 18px;font-weight:600;border:none;white-space:nowrap;
}
.article-body table td{
  padding:14px 18px;border-bottom:1px solid var(--line);
  vertical-align:top;background:#fff;
}
.article-body table tr:nth-child(even) td{background:#FAFAF6}

/* 文章标签 */
.article-tags{padding:40px 0 8px;border-top:1px dashed rgba(15,45,42,.12);margin-top:34px}
.tags-label{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;font-size:13px;color:var(--ink-2);
  padding:6px 16px;transition:all .2s;
}
.tag-chip:hover{border-color:var(--gold);color:var(--brand);background:var(--gold-soft)}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav a{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:16px 20px;display:flex;align-items:center;gap:14px;transition:all .25s var(--ease);
}
.post-nav a:hover{border-color:var(--gold);background:var(--gold-soft);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.post-nav .nav-direction{font-size:12px;color:var(--ink-3);text-transform:uppercase;display:flex;align-items:center;gap:6px;font-weight:600}
.post-nav .post-neighbor{font-size:14.5px;color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.post-nav .prev-link{justify-content:flex-start}
.post-nav .next-link{justify-content:flex-end;text-align:right}
/* 右侧栏 */
.sidebar{position:sticky;top:110px;display:flex;flex-direction:column;gap:28px;min-width:0}
.sidebar-card{
  background:#fff;border-radius:var(--radius-md);
  padding:26px 26px;
  box-shadow:var(--shadow-card);
  border:1px solid rgba(15,45,42,.04);
}
.sidebar-card h3{font-size:15px;font-weight:700;color:var(--brand-deep);display:flex;align-items:center;gap:8px;margin-bottom:16px}
.sidebar-card h3::after{content:"";height:1px;background:var(--gold);flex:1;margin-left:8px;opacity:.8}
.side-mini-list{display:flex;flex-direction:column;gap:0}
.side-mini-list a{
  padding:12px 0;border-bottom:1px solid var(--line);display:block;
  color:var(--ink-2);font-size:14.5px;transition:all .2s;
}
.side-mini-list a:first-of-type{padding-top:0}
.side-mini-list a:last-of-type{border-bottom:none;padding-bottom:4px}
.side-mini-list a:hover{color:var(--brand);padding-left:6px}
.side-mini-list .mini-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.55}
.side-mini-list:hover .mini-title{color:var(--brand)}
.side-mini-list span{font-size:12px;color:var(--ink-3);display:block;margin-top:3px}
.cta-mini{background:var(--brand);border-radius:var(--radius-md);padding:28px 24px;color:#fff;position:relative;overflow:hidden}
.cta-mini::before{content:"凯";position:absolute;right:-18px;bottom:-26px;font-size:130px;color:rgba(255,255,255,.05);font-weight:800}
.cta-mini h3{font-size:18px;color:var(--gold);line-height:1.4}
.cta-mini p{font-size:13.5px;color:rgba(255,255,255,.75);line-height:1.75;margin-top:10px;margin-bottom:18px}
.btn-block{display:flex;width:100%;justify-content:center}

/* 相关阅读 */
.related-section{padding:56px 0;background:var(--surface)}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:20px}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:1.6px;
  color:var(--gold);margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:24px;height:1.5px;background:var(--gold);display:block}
.section-header h2{font-size:30px;color:var(--brand-deep);font-weight:700;line-height:1.4}
.section-header .connect-link{font-size:14.5px;color:var(--brand);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.section-header .connect-link:hover{color:var(--gold)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  background:var(--card);border-radius:var(--radius-md);
  overflow:hidden;display:flex;flex-direction:column;
  border:1px solid rgba(15,45,42,.04);
  box-shadow:var(--shadow-card);
  transition:all .3s var(--ease);
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.related-card .card-thumb{aspect-ratio:16/9;overflow:hidden;position:relative;min-height:155px;background:#eee}
.related-card .card-thumb img{width:100%;height:100%;object-fit:cover}
.related-card .card-thumb .thumb-badge{
  position:absolute;left:12px;bottom:12px;z-index:2;
  background:rgba(18,59,56,.9);color:var(--gold);
  font-size:11.5px;border-radius:999px;padding:4px 12px;
}
.related-body{padding:20px 20px 20px;display:flex;flex-direction:column;flex:1}
.related-body h3{font-size:15.5px;line-height:1.6;font-weight:600;color:var(--ink);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;overflow:hidden;-webkit-box-orient:vertical}
.related-body p{font-size:13px;color:var(--ink-3);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.related-card .read-link{margin-top:auto;font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:7px;font-weight:500;padding-bottom:2px;align-self:flex-start}
.related-card .read-link i{transition:transform .2s var(--ease)}
.related-card .read-link:hover{color:var(--gold)}
.related-card .read-link:hover i{transform:translateX(3px)}

/* CTA 区块 */
.site-cta{
  background:var(--brand-deep);
  background-image:
    radial-gradient(at 90% 20%, rgba(201,160,90,.12) 0, transparent 440px),
    radial-gradient(at 5% 100%, rgba(43,94,89,.3) 0, transparent 480px);
  color:#fff;padding:88px 0;
  position:relative;overflow:hidden;
}
.site-cta::after{
  content:"";
  position:absolute;bottom:0;left:0;right:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  height:160px;background-size:36px 36px;opacity:.4;pointer-events:none;
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
.cta-left h2{font-size:32px;line-height:1.45;margin-bottom:26px;font-weight:700}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.8)}
.cta-points i{color:var(--gold);font-size:17px;margin-top:4px}
.cta-note{font-size:13px;color:rgba(255,255,255,.45);margin-top:20px}
.cta-form-card{background:#fff;border-radius:20px;padding:30px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.cta-form-card h3{font-size:18px;color:var(--brand-deep);font-weight:700;margin-bottom:4px}
.cta-form-card .form-tip{font-size:13px;color:var(--ink-3);border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}
.form-group{margin-bottom:18px}
.form-group label{font-size:14px;font-weight:600;color:var(--ink);display:block;margin-bottom:7px}
.form-group .req{color:#c05252}
.form-control{
  padding:12px 16px;border:1.5px solid var(--line);border-radius:10px;
  background:var(--surface);outline:none;transition:all .2s;
  width:100%;color:var(--ink);
}
.form-control:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,160,90,.17);background:#fff}
.form-control::placeholder{color:var(--ink-3)}
select.form-control{appearance:none;background-image:url('data:image/svg+xml;utf8,<svg width="12" height="8" viewBox="0 0 12 8" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1l5 5 5-5" stroke="%2353635F" stroke-width="1.8" stroke-linecap="round"/></svg>');background-repeat:no-repeat;background-position:right 16px center;padding-right:38px}
.form-error{font-size:13px;color:#c05252;margin-top:5px;display:none}
.form-submit{background:var(--gold);color:var(--brand-deep);border:none;font-weight:700;padding:13px 20px;width:100%;border-radius:10px;font-size:15.5px;cursor:pointer}
.form-status{background:#2E9E64;color:#fff;border-radius:10px;padding:30px 20px;text-align:center;display:none}
.form-status i{color:#fff;font-size:34px;margin-bottom:10px}
.form-status p{font-size:14px;line-height:1.7;margin-top:8px}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.88);padding:60px 0 0}
.footer-main{display:grid;grid-template-columns:4fr 2fr 2fr 3fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.58);margin-bottom:18px;max-width:320px}
.footer-mark{font-size:12px;color:var(--gold);display:inline-flex;align-items:center;gap:6px;background:rgba(201,160,90,.08);border-radius:999px;padding:4px 14px;border:1px solid rgba(201,160,90,.18)}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;color:#fff}
.footer-col nav{display:flex;flex-direction:column;gap:10px}
.footer-col nav a{font-size:13.5px;color:rgba(255,255,255,.65);position:relative;display:inline-block;padding-left:0;transition:all .2s}
.footer-col nav a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:50px;padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.42)
}

/* 移动端抽屉 */
.mobile-nav{
  position:fixed;left:-340px;top:0;bottom:0;width:300px;z-index:200;
  background:#fff;box-shadow:0 0 60px rgba(0,0,0,.2);
  transition:left .32s var(--ease);
  padding:20px 18px;
  overflow-y:auto;
}
.mobile-nav.show{left:0}
.mobile-nav .mobile-logo{display:flex;justify-content:center;margin-bottom:30px;border-bottom:1px solid var(--line);padding-bottom:20px}
.mobile-nav nav{display:flex;flex-direction:column;gap:2px}
.mobile-nav nav a{
  padding:13px 18px;border-radius:10px;color:var(--ink);font-weight:500;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-nav nav a:hover{background:rgba(18,59,56,.06)}
.mobile-nav nav a.active{background:var(--brand);color:#fff}
.mobile-nav nav a.active i{color:var(--gold)}
.mobile-nav .mobile-actions{display:flex;flex-direction:column;gap:10px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.nav-overlay{position:fixed;top:0;left:0;right:0;bottom:0;z-index:150;background:rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:opacity .3s}
.nav-overlay.show{opacity:1;pointer-events:auto}

/* 无内容状态 */
.empty-state{
  text-align:center;padding:52px 24px;background:#fff;border-radius:16px;
}
.empty-state i{
  font-size:46px;color:#b8cdc8;width:86px;height:86px;line-height:86px;
  border-radius:50%;background:#F1F5F2;display:inline-block;margin-bottom:18px;
}
.empty-state h2{font-size:20px;color:var(--brand);margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

@media(max-width:1200px){
  .layout-article{grid-template-columns:minmax(0,1fr) 280px;gap:30px}
  .related-grid{grid-template-columns:repeat(3,1fr);gap:18px}
}
@media(max-width:1023px){
  .container{padding:0 28px}
  .main-nav{display:none}
  .nav-burger{display:flex}
  .search-toggle{display:flex}
  .search-box{width:44px}
  .search-box input{display:none}
  .search-go{display:none}
  .search-box:focus-within{width:44px}
  .search-box.focused{width:260px}
  .search-box.focused input{display:block}
  .layout-article{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar-card{flex:1 1 40%}
  .cta-inner{grid-template-columns:1fr;gap:40px}
  .footer-main{grid-template-columns:1fr 1fr 1fr}
  .footer-brand{grid-column:1/-1;grid-row:1}
  .footer-brand p{max-width:100%}
}
@media(max-width:767px){
  .container{padding:0 20px}
  .site-header .header-cta-desktop{display:none}
  .search-box{width:42px}
  .search-box.focused{position:absolute;left:16px;right:16px;top:10px;width:auto;z-index:99;background:#fff;box-shadow:var(--shadow-hover)}
  .article-hero{padding-bottom:8px}
  .article-body-wrap{margin-top:0;border-radius:0;padding-top:24px}
  .article-main{padding:28px 18px}
  .article-body{font-size:16.5px}
  .related-grid{grid-template-columns:1fr;flex-direction:column}
  .section-header h2{font-size:24px}
  .related-card{max-width:100%}
  .post-nav{grid-template-columns:1fr}
  .site-cta{padding:64px 0}
  .cta-form-card{padding:20px}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;text-align:center;gap:6px}
  .article-meta{row-gap:10px}
  .breadcrumb-wrap nav{flex-wrap:wrap}
  .breadcrumb-wrap .current{max-width:220px}
  .cta-left h2{font-size:25px}
  .sidebar-card{flex:1 1 100%}
  .section-header{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --brand: #123B38;
  --brand-deep: #0B2826;
  --brand-light: #2B5E59;
  --gold: #C9A05A;
  --gold-deep: #B28A45;
  --gold-soft: #F6EFDF;
  --surface: #F7F6F0;
  --card: #FFFFFF;
  --ink: #1C2B2A;
  --ink-2: #53635F;
  --ink-3: #84908C;
  --line: rgba(15, 45, 42, 0.10);
  --success: #2E9E64;
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 6px 24px rgba(12, 42, 35, 0.07);
  --shadow-md: 0 14px 40px rgba(12, 42, 35, 0.12);
  --container: 1200px;
  --nav-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
}

.container {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold-deep);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
}

.section-head h2 {
  font-size: 42px;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--ink-2);
  font-size: 17px;
  max-width: 720px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  border: 1px solid transparent;
  transition: all .18s ease;
  user-select: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--gold);
}

.btn-gold {
  background: var(--gold);
  color: var(--brand-deep);
  box-shadow: 0 8px 22px rgba(201, 160, 90, .26);
}

.btn-gold:hover {
  background: #d7b26a;
  transform: translateY(-1.5px);
  box-shadow: 0 14px 30px rgba(201, 160, 90, .30);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, .62);
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
  transform: translateY(-1.5px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-weight: 650;
  font-size: 15px;
}

.text-link:hover {
  color: var(--brand-deep);
}

.text-link span {
  color: var(--gold-deep);
  transition: transform .18s ease;
}

.text-link:hover span {
  transform: translateX(3px);
}

.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 59, 56, 0.06);
  border: 1px solid var(--line);
  color: var(--brand);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .02em;
}

.tag-gold {
  background: var(--gold-soft);
  color: var(--gold-deep);
  border: 1px solid rgba(201,160,90,.32);
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 22px rgba(12, 42, 35, .04);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--nav-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-deep);
  color: var(--gold);
  font-size: 20px;
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}

.logo-text {
  color: var(--brand);
  font-size: 19px;
  font-weight: 750;
  letter-spacing: .01em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
  padding: 10px 2px;
  transition: color .16s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  border-radius: 6px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}

.main-nav a:hover {
  color: var(--brand-deep);
}

.main-nav a.active {
  color: var(--brand);
  font-weight: 700;
}

.main-nav a.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 5px 5px 10px;
  transition: box-shadow .18s ease, border-color .18s ease;
}

.search-box:focus-within {
  border-color: rgba(201, 160, 90, .75);
  box-shadow: 0 0 0 3px rgba(201,160,90,.14);
  background: #fff;
}

.search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--ink-2);
  border-radius: 50%;
}

.search-toggle:hover {
  color: var(--brand);
}

.search-box input {
  width: 140px;
  border: 0;
  background: transparent;
  outline: none;
  color: var(--ink);
  font-size: 14px;
  transition: width .18s ease;
}

.search-box input::placeholder {
  color: var(--ink-3);
}

.search-box.expanded input {
  width: 230px;
}

.search-box input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

.search-go {
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 0;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 650;
}

.search-go:hover {
  background: var(--brand-light);
}

.header-cta-desktop {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
  box-shadow: none;
}

.nav-burger {
  display: none;
}

/* 页首引导区 */
.page-lead {
  background: linear-gradient(112deg, var(--brand-deep) 0%, var(--brand) 62%, #1e4d47 100%);
  color: #fff;
  overflow: hidden;
  position: relative;
}

.page-lead::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') right center / cover no-repeat;
  opacity: .16;
}

.page-lead::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,40,38,.78) 0%, rgba(11,40,38,.24) 70%, rgba(11,40,38,.12) 100%);
}

.page-lead .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr .72fr;
  gap: 32px 52px;
  align-items: center;
  padding-top: 52px;
  padding-bottom: 58px;
}

.breadcrumb {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}

.breadcrumb a {
  color: rgba(255,255,255,.85);
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb span[aria-hidden="true"] {
  color: rgba(255,255,255,.46);
}

.breadcrumb strong {
  font-weight: 500;
  color: rgba(255, 255, 255, .58);
}

.lead-kicker {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24);
  color: #f8e6c6;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}

.page-lead h1 {
  color: #fff;
  font-size: 47px;
  line-height: 1.24;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.lead-summary {
  max-width: 660px;
  color: rgba(255, 255, 255, .86);
  font-size: 17px;
  margin-bottom: 30px;
}

.lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.lead-side-note {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.lead-side-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #f7e6c4;
  margin-bottom: 12px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(46,158,100,.2);
}

.lead-side-note p {
  color: rgba(255,255,255,.72);
  font-size: 14px;
  line-height: 1.75;
}

.mini-flow {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.mini-flow-item {
  background: rgba(255,255,255,.08);
  border-radius: 12px;
  text-align: center;
  padding: 12px 6px;
  border: 1px solid rgba(255,255,255,.08);
}

.mini-flow-item b {
  display: block;
  font-size: 20px;
  color: var(--gold);
}

.mini-flow-item span {
  font-size: 12px;
  color: rgba(255,255,255,.72);
}

/* 信任条 */
.quick-strip {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.quick-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.quick-text {
  color: var(--ink-2);
  font-size: 14px;
}

/* 流程图文区 */
.flow-section {
  background: var(--card);
}

.flow-list {
  display: grid;
  gap: 70px;
}

.flow-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.flow-item:nth-child(even) .flow-visual {
  order: 2;
}

.flow-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.flow-visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform .4s ease;
}

.flow-visual:hover img {
  transform: scale(1.02);
}

.flow-index {
  position: absolute;
  left: 18px;
  top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.94);
  color: var(--brand);
  font-weight: 800;
  font-size: 18px;
  box-shadow: var(--shadow-sm);
}

.flow-body h3 {
  font-size: 27px;
  margin: 12px 0 16px;
}

.flow-body > p {
  color: var(--ink-2);
  font-size: 16px;
  margin-bottom: 18px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.dot-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.dot-list li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-2);
  font-size: 15px;
}

.dot-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.flow-guide-note {
  margin-top: 60px;
  border-radius: 24px;
  padding: 36px 40px;
  background: var(--gold-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid rgba(201,160,90,.2);
}

.flow-guide-note h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.flow-guide-note p {
  color: var(--ink-2);
  font-size: 15px;
}

/* 金色内容摘要 */
.summary-band {
  background: linear-gradient(120deg, #F6EFDF 0%, #f3e6cf 100%);
  padding: 78px 0;
}

.summary-band .section-head h2 {
  color: var(--brand-deep);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.summary-item {
  border-left: 3px solid var(--gold);
  padding: 6px 0 8px 20px;
}

.summary-item h3 {
  color: var(--brand-deep);
  font-size: 20px;
  margin-bottom: 10px;
}

.summary-item p {
  color: var(--ink-2);
  font-size: 15px;
}

.summary-item .summary-tag {
  display: inline-block;
  margin-top: 12px;
  color: var(--gold-deep);
  font-size: 13px;
  font-weight: 700;
}

/* 入口判断卡片 */
.check-section {
  background: var(--card);
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.entry-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 22px;
  background: transparent;
  transition: border-color .18s ease, background .18s ease;
  min-height: 220px;
}

.entry-card:hover {
  border-color: rgba(201,160,90,.6);
  background: #fff;
}

.entry-num {
  font-size: 14px;
  font-weight: 750;
  color: var(--gold-deep);
  letter-spacing: .04em;
}

.entry-card h3 {
  font-size: 18px;
  margin: 16px 0 10px;
}

.entry-card p {
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.75;
}

/* FAQ 区域 */
.faq-section {
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 2.1fr;
  gap: 64px;
}

.faq-intro h2 {
  font-size: 38px;
  margin: 14px 0 18px;
}

.faq-intro p {
  color: var(--ink-2);
  font-size: 16px;
  margin-bottom: 24px;
}

.faq-intro-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 650;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 650;
  font-size: 16px;
  color: var(--ink);
  transition: background .16s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background: var(--gold-soft);
}

.faq-icon {
  flex: 0 0 auto;
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(201,160,90,.42);
  background: transparent;
  transition: .2s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold-deep);
  width: 14px;
  height: 2px;
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .2s ease;
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--line);
}

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-item .faq-content {
  padding: 10px 26px 24px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.9;
}

.faq-more {
  margin-top: 28px;
  text-align: right;
}

/* CTA */
.cta-dark {
  position: relative;
  background: var(--brand-deep);
  color: #fff;
  overflow: hidden;
  padding: 80px 0 72px;
}

.cta-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  opacity: .12;
}

.cta-dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,40,38,.94), rgba(18,59,56,.62));
}

.cta-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}

.cta-copy h2 {
  color: #fff;
  font-size: 38px;
  margin-bottom: 16px;
}

.cta-copy p {
  color: rgba(255,255,255,.76);
  font-size: 16px;
  max-width: 560px;
  margin-bottom: 28px;
}

.cta-card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(6px);
}

.cta-card h3 {
  color: #fff;
  font-size: 21px;
  margin-bottom: 10px;
}

.cta-card p {
  color: rgba(255,255,255,.74);
  font-size: 14.5px;
  margin-bottom: 20px;
  line-height: 1.8;
}

.cta-card .btn-gold {
  width: 100%;
}

/* 底部咨询提示 */
.contact-floor {
  background: var(--card);
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.contact-floor-inner {
  background: var(--gold-soft);
  border: 1px dashed rgba(201,160,90,.55);
  border-radius: 18px;
  padding: 20px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.contact-floor-inner p {
  color: var(--ink-2);
  font-size: 14.5px;
}

.contact-floor-inner strong {
  color: var(--brand);
}

/* 页脚 */
.site-footer {
  background: var(--brand-deep);
  color: rgba(255, 255, 255, .72);
  padding: 60px 0 28px;
  font-size: 14px;
}

.site-footer .logo .logo-text {
  color: #fff;
}

.site-footer .logo .logo-mark {
  background: rgba(255,255,255,.08);
  color: var(--gold);
  box-shadow: none;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 46px;
}

.footer-brand p {
  color: rgba(255,255,255,.58);
  line-height: 1.8;
  margin: 16px 0 14px;
  max-width: 440px;
}

.footer-mark {
  display: inline-flex;
  align-items: center;
  color: rgba(255,255,255,.42);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
}

.footer-col nav {
  display: grid;
  gap: 9px;
}

.footer-col nav a {
  color: rgba(255,255,255,.62);
  transition: color .16s ease;
  width: fit-content;
}

.footer-col nav a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 22px;
  font-size: 13px;
  color: rgba(255,255,255,.42);
}

/* 键盘与通用 */
:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(201,160,90,.55);
  border-radius: 4px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .main-nav {
    gap: 18px;
  }

  .search-box input {
    width: 110px;
  }

  .search-box.expanded input {
    width: 170px;
  }

  .page-lead .container {
    grid-template-columns: 1fr .9fr;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .entry-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-item {
    gap: 30px;
  }

  .flow-visual img {
    height: 250px;
  }

  .summary-grid {
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-header {
    position: sticky;
  }

  .header-row {
    gap: 12px;
    min-height: 64px;
  }

  .logo-text {
    font-size: 16px;
  }

  .header-cta-desktop {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: min(82vw, 330px);
    height: 100vh;
    background: #fff;
    z-index: 100;
    transform: translateX(-105%);
    transition: transform .24s ease;
    box-shadow: 12px 0 40px rgba(12, 42, 35, .14);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    justify-content: flex-start;
    padding: 84px 28px 36px;
    margin: 0;
    overflow-y: auto;
  }

  .nav-open .main-nav {
    transform: translateX(0);
  }

  .main-nav a {
    font-size: 17px;
    color: var(--ink);
    width: 100%;
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav a.active {
    color: var(--gold-deep);
  }

  .nav-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 0;
    padding: 0 9px;
  }

  .nav-burger span {
    display: block;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transition: .22s ease;
  }

  .nav-burger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-burger.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-burger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .search-box {
    padding-left: 4px;
  }

  .search-box input {
    width: 90px;
  }

  .search-box.expanded input {
    width: 140px;
  }

  .search-toggle {
    width: 30px;
    height: 30px;
  }

  .search-go {
    display: none;
  }

  .page-lead .container {
    grid-template-columns: 1fr;
    padding-top: 38px;
    padding-bottom: 42px;
    gap: 24px;
  }

  .page-lead h1 {
    font-size: 36px;
  }

  .lead-summary {
    font-size: 16px;
  }

  .lead-side-note {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .flow-item {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .flow-item:nth-child(even) .flow-visual {
    order: 0;
  }

  .flow-visual img {
    height: 220px;
  }

  .flow-body h3 {
    font-size: 22px;
  }

  .flow-guide-note {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .entry-grid {
    grid-template-columns: 1fr;
  }

  .cta-wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-copy h2 {
    font-size: 28px;
  }

  .contact-floor-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 17px 18px;
  }

  .faq-item .faq-content {
    padding: 10px 20px 20px;
    font-size: 14.5px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .page-lead h1 {
    font-size: 31px;
  }

  .quick-strip .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .quick-text {
    font-size: 13px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* roulang page: category2 */
:root{
  --brand:#123B38;
  --brand-deep:#0B2826;
  --brand-light:#2B5E59;
  --gold:#C9A05A;
  --gold-deep:#B48A45;
  --gold-soft:#F6EFDF;
  --surface:#F7F6F0;
  --card:#FFFFFF;
  --ink:#1C2B2A;
  --ink-2:#53635F;
  --ink-3:#84908C;
  --line:rgba(15,45,42,.10);
  --success:#2E9E64;
  --radius-xl:26px;
  --radius-lg:22px;
  --radius-card:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 6px 24px rgba(12,42,35,.07);
  --shadow-hover:0 14px 40px rgba(12,42,35,.12);
  --ease:cubic-bezier(.25,.46,.45,.94);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body.menu-lock{overflow:hidden}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--gold-soft);color:var(--brand-deep)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.container{width:min(1200px,100% - 48px);margin:0 auto}
.section{width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:.2s var(--ease);
}
.btn svg{width:16px;height:16px}
.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--brand-deep);box-shadow:0 6px 12px rgba(201,160,90,.18)}
.btn-gold:hover{background:var(--gold-deep);border-color:var(--gold-deep);transform:translateY(-1.5px);box-shadow:0 10px 22px rgba(180,138,69,.22)}
.btn-line{border-color:rgba(255,255,255,.75);background:transparent;color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-ghost{border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(18,59,56,.05)}
.text-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:15px;font-weight:600}
.text-arrow i{font-style:normal;transition:.2s var(--ease)}
.text-arrow:hover i{transform:translateX(4px)}
.text-arrow.dark{color:var(--gold)}
.eyebrow,.sec-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--gold-deep);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.sec-kicker::before{content:"";width:20px;height:2px;background:var(--gold);display:inline-block}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-row{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px}
.logo-mark{
  width:34px;height:34px;border-radius:50%;
  background:var(--brand);
  color:var(--gold);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 4px 10px rgba(11,40,38,.16)
}
.logo-text{font-size:18px;font-weight:800;color:var(--brand);letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:14px}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 15px;color:var(--ink-2);font-size:15px;font-weight:600;border-radius:8px;
  transition:.2s var(--ease)
}
.main-nav a:hover{color:var(--brand);background:rgba(18,59,56,.055)}
.main-nav a.active{color:var(--brand)}
.main-nav a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:6px;height:2.5px;
  background:var(--gold);border-radius:6px
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;width:220px;height:42px;border:1px solid var(--line);background:#FBFBF8;border-radius:99px;padding:0 6px 0 12px;overflow:hidden;transition:.2s var(--ease)}
.search-box:focus-within,.search-box.search-open{width:300px;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(201,160,90,.14)}
.search-box input{flex:1;width:60px;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--ink-3)}
.search-toggle{width:30px;height:40px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:0;color:var(--ink-2);border-radius:50%}
.search-toggle:hover{color:var(--brand)}
.search-go{height:32px;padding:0 12px;border-radius:99px;background:var(--brand);border:0;color:#fff;font-size:13px;font-weight:600;flex-shrink:0;display:none}
.search-box.search-open .search-go{display:inline-flex;align-items:center}
.header-cta-desktop{display:inline-flex}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s var(--ease)}
.nav-open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-burger span:nth-child(2){opacity:0}
.nav-open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* category hero */
.cat-hero{position:relative;background:var(--surface);padding:62px 0 58px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;top:0;right:0;width:38%;height:100%;
  background:
    linear-gradient(rgba(201,160,90,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,160,90,.08) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(to left,#fff 0%,transparent 82%);
          mask-image:linear-gradient(to left,#fff 0%,transparent 82%);
  pointer-events:none
}
.cat-hero__row{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:stretch;position:relative}
.cat-hero__copy{max-width:640px}
.cat-hero h1{font-size:40px;line-height:1.3;letter-spacing:-.01em;margin:18px 0 18px;font-weight:800}
.cat-hero__desc{font-size:17px;color:var(--ink-2);line-height:1.85;max-width:560px}
.cat-hero__facts{
  display:flex;gap:16px 30px;flex-wrap:wrap;align-items:center;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line)
}
.cat-hero__facts li{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:9px}
.cat-hero__facts li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}
.cat-hero__button{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cat-hero__aside{
  background:var(--brand-deep);
  border-radius:var(--radius-xl);
  padding:26px 22px;
  color:#fff;
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:22px;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
}
.cat-hero__aside .aside-block-number{font-size:47px;font-weight:800;line-height:1;color:var(--gold);letter-spacing:-.03em}
.cat-hero__aside .aside-block-title{font-size:12px;letter-spacing:.13em;color:#fff}
.cat-hero__aside .aside-message{border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.05);padding:14px 16px;color:rgba(255,255,255,.88);line-height:1.7}

/* section heading */
.content-section{padding:88px 0 14px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:38px}
.section-heading.column{flex-direction:column;align-items:flex-start}
.section-heading h2{font-size:31px;font-weight:800;line-height:1.35;letter-spacing:-.02em;margin-top:10px}
.section-heading .lead{color:var(--ink-2);font-size:16px;max-width:500px}
.split-btn{flex-shrink:0}

/* featured module */
.section-band{padding:88px 0}
.section-band.bg-light{background:var(--gold-soft)}
.market-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:stretch}
.feature-card{background:var(--card);border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow-card);overflow:hidden;transition:.23s var(--ease)}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.feature-card__media{background:#DDE7E1;aspect-ratio:16/9;overflow:hidden;position:relative}
.feature-card__media img{width:100%;height:100%;object-fit:cover}
.feature-card__body{padding:26px 26px 24px}
.feature-card__body h3{font-size:20px;line-height:1.45;margin:14px 0 10px;font-weight:800}
.feature-card__body p{color:var(--ink-2);font-size:15px;line-height:1.75}
.feature-card__body .text-arrow{margin-top:16px}
.stack-feed{display:flex;flex-direction:column;gap:24px}
.feature-inline{display:flex;flex-direction:column;justify-content:center;padding:24px 26px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:.23s var(--ease);min-height:122px}
.feature-inline:hover{box-shadow:var(--shadow-hover)}
.feature-inline h3{font-size:18px;line-height:1.45;margin:9px 0 8px;font-weight:800}
.feature-inline p{color:var(--ink-2);font-size:14px;line-height:1.75}

/* terms module */
.term-panel{background:var(--card);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:14px 26px;margin-top:28px}
.term-item{display:grid;grid-template-columns:180px 1fr;align-items:start;gap:24px;padding:17px 5px;border-bottom:1px solid var(--line)}
.term-item:last-child{border-bottom:0}
.term-tag{display:inline-flex;align-items:center;justify-content:flex-start;gap:9px}
.term-tag .spot{width:8px;height:8px;border-radius:50%;background:var(--gold);flex-shrink:0}
.term-tag strong{font-size:16px;font-weight:700;color:var(--brand)}
.term-tag span{display:block;color:var(--ink-2);font-size:14px;line-height:1.55}

/* checklist */
.checklist-section{padding:80px 0}
.checklist{display:grid;grid-template-columns:440px 1fr;gap:46px;align-items:flex-start}
.checklist-head{position:sticky;top:140px}
.checklist-list{counter-reset:step;display:grid;gap:20px}
.check-card{counter-increment:step;display:grid;grid-template-columns:auto 1fr;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;transition:.2s var(--ease)}
.check-card:hover{box-shadow:var(--shadow-card)}
.check-card__num::before{content:counter(step);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center}
.check-card__num{width:42px;height:42px;background:var(--brand);color:var(--gold);border-radius:14px;display:flex;align-items:center;justify-content:center}
.check-card__content h3{font-size:18px;font-weight:800;color:var(--brand);margin-bottom:8px}
.check-card__content p{color:var(--ink-2);font-size:14.5px;line-height:1.8}

/* dark band */
.dark-band{background:var(--brand-deep);color:#fff;padding:72px 0}
.dark-band__row{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.dark-band h2{color:#fff;font-size:30px;letter-spacing:-.02em;margin:12px 0 10px}
.dark-band .lead{color:rgba(255,255,255,.82);font-size:16px;line-height:1.85}
.dark-note{display:grid;gap:18px;margin-top:22px}
.dark-note li{position:relative;padding-left:30px;color:rgba(255,255,255,.9);font-size:15px;line-height:1.7}
.dark-note li::before{content:"";position:absolute;left:0;top:7px;width:15px;height:15px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C9A05A' stroke-width='3'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E")center/cover no-repeat}
.dark-stats{display:flex;flex-direction:column;gap:14px}
.disclaimer{padding:18px 20px;border-left:3px solid var(--gold);background:rgba(255,255,255,.07);border-radius:0 14px 14px 0;font-size:14px;color:rgba(255,255,255,.84);line-height:1.8}

/* faq */
.faq-section{padding:88px 0}
.faq-grid{display:grid;grid-template-columns:400px 1fr;gap:56px;align-items:flex-start}
.faq accordion-item{background:#fff}
.acc-stack{display:grid;gap:14px}
.acc-item{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-card);border-radius:var(--radius-card);overflow:hidden;transition:.2s var(--ease)}
.acc-item:hover{box-shadow:var(--shadow-hover)}
.acc-item[open]{box-shadow:var(--shadow-hover)}
.acc-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:18px 22px;list-style:none;cursor:pointer;font-size:16px;font-weight:700;line-height:1.5
}
.acc-item summary::-webkit-details-marker{display:none}
.acc-item summary::after{
  content:"+";width:28px;height:28px;border-radius:50%;border:1px solid var(--brand);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:19px;line-height:1;flex-shrink:0;transition:.2s var(--ease)
}
.acc-item[open] summary::after{content:"−";background:var(--brand);color:var(--gold)}
.acc-pane{border-top:1px solid var(--line);padding:16px 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.85;background:var(--gold-soft);border-radius:0 0 var(--radius-card) var(--radius-card)}
.acc-pane p{margin:0}

/* bottom CTA */
.mini-cta{padding:16px 0 82px}
.mini-cta__inner{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  background:var(--gold-soft);border:1px solid rgba(201,160,90,.32);border-radius:var(--radius-lg);
  padding:22px 26px;flex-wrap:wrap
}
.mini-cta p{font-size:15px;color:var(--ink);max-width:600px}
.mini-cta p strong{color:var(--brand)}

/* footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);font-size:15px;padding:64px 0 26px}
.site-footer .logo .logo-text{color:#fff}
.footer-main{display:grid;grid-template-columns:1.2fr .75fr .75fr .9fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.8;margin:18px 0 14px}
.footer-mark{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.footer-mark::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold);display:inline-block}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;letter-spacing:.02em}
.footer-col nav{display:flex;flex-direction:column;gap:9px}
.footer-col nav a{color:rgba(255,255,255,.65);font-size:14px;padding:2px 0;transition:.2s var(--ease)}
.footer-col nav a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:22px;color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom a{color:rgba(255,255,255,.62)}

/* responsive */
@media (max-width:1120px){
  .search-box{width:170px}
  .main-nav a{padding:0 9px;font-size:14px}
  .market-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1023px){
  .cat-hero h1{font-size:34px}
  .market-grid{grid-template-columns:1fr;gap:18px}
  .stack-feed{flex-direction:row;gap:14px}
  .feature-inline{flex:1}
  .checklist{grid-template-columns:300px 1fr;gap:28px}
  .faq-grid{grid-template-columns:1fr;gap:26px}
  .section-heading{flex-direction:column;align-items:flex-start}
  .split-btn{margin-top:8px}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{width:calc(100% - 40px)}
  body{font-size:15px}
  .header-row{height:68px}
  .logo-text{font-size:17px}
  .search-box{width:44px;height:44px;border-color:transparent;background:transparent;padding:0}
  .search-box input{width:0;padding:0;opacity:0;margin-left:0}
  .search-box.search-open{position:absolute;right:78px;top:10px;width:190px;height:48px;border:1px solid var(--gold);background:#fff;padding:0 10px;box-shadow:0 14px 30px rgba(0,0,0,.12);z-index:20}
  .search-box.search-open input{width:120px;opacity:1;padding:4px}
  .search-box .search-go{display:none}
  .search-toggle{width:44px}
  .header-cta-desktop{display:none}
  .nav-burger{display:inline-flex}
  .main-nav{
    position:fixed;top:68px;left:0;right:0;z-index:70;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:12px 20px 18px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 30px 50px rgba(12,42,35,.14);
    transform:translateY(-160%);opacity:0;pointer-events:none;
    transition:all .28s var(--ease)
  }
  .nav-open .main-nav{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{min-height:50px;padding:0 12px;border-radius:10px;font-size:16px;justify-content:flex-start}
  .main-nav a.active::after{left:12px;right:auto;width:18px;bottom:8px}
  .cat-hero{padding:44px 0 42px}
  .cat-hero__row{grid-template-columns:1fr;gap:26px}
  .cat-hero h1{font-size:31px}
  .cat-hero__desc{font-size:16px}
  .cat-hero__aside{border-radius:20px;padding:22px}
  .content-section,.section-band,.faq-section{padding:64px 0 18px}
  .section-heading h2{font-size:26px}
  .stack-feed{flex-direction:column}
  .term-panel{padding:6px 16px;margin-top:18px}
  .term-item{grid-template-columns:1fr;gap:5px;padding:16px 2px}
  .checklist{grid-template-columns:1fr}
  .checklist-head{position:static}
  .check-card{grid-template-columns:auto 1fr;padding:18px}
  .dark-band{padding:54px 0}
  .dark-band__row{grid-template-columns:1fr;gap:30px}
  .dark-band h2{font-size:26px}
  .mini-cta__inner{align-items:flex-start}
  .footer-main{grid-template-columns:1fr;gap:26px;padding-bottom:24px}
  .site-footer{padding:52px 0 24px}
}
@media (max-width:480px){
  .cat-hero h1{font-size:28px}
  .section-heading h2{font-size:24px}
  .cat-hero__facts{flex-direction:column;align-items:flex-start}
  .hero-cta-row{width:100%}
  .hero-cta-row .btn{width:100%}
  .mini-cta__inner{padding:20px}
  .footer-bottom{flex-direction:column;text-align:center}
}