/* roulang page: index */
:root{
  --brand:#12E0B5;
  --brand-strong:#0BA98A;
  --brand-tint:#E6FBF5;
  --accent:#FF3D8A;
  --accent-tint:#FFE9F2;
  --gold:#FFC53D;
  --ink-900:#12121C;
  --ink-800:#1B1B2A;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E7F0;
  --text:#16182A;
  --text-2:#5A6076;
  --text-3:#8B91A7;
  --ok:#1FB57A;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:18px;
  --r-input:12px;
  --r-pill:999px;
  --r-hero:24px;
  --sh-sm:0 2px 8px rgba(18,18,28,.06);
  --sh-md:0 12px 30px rgba(18,18,28,.10);
  --sh-glow:0 10px 28px rgba(18,224,181,.28);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-strong);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:92px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-size:29px;line-height:1.35;font-weight:700;letter-spacing:.2px;}
.section-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px;}
.text-link{color:var(--brand-strong);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:opacity .2s ease;}
.text-link:hover{opacity:.75;text-decoration:underline;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#0B1020;box-shadow:var(--sh-glow);}
.btn-primary:hover{background:var(--brand-strong);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:var(--brand-strong);color:var(--brand-strong);}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#E62C78;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:var(--brand-tint);transform:translateY(-2px);}
.btn-sm{height:32px;padding:0 16px;font-size:13px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:5px;height:25px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;}
.badge-brand{background:var(--brand-tint);color:var(--brand-strong);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-gold{background:#FFF6E0;color:#8A6100;}
.badge-ink{background:rgba(255,255,255,.12);color:#fff;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .nav-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-strong));color:#0B1020;font-size:17px;font-weight:800;
  box-shadow:var(--sh-glow);flex-shrink:0;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.2px;line-height:1.2;white-space:nowrap;}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:1.5px;}
.nav-search{position:relative;flex:1 1 auto;max-width:430px;min-width:180px;}
.search-input{
  width:100%;height:46px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#FBFCFE;padding:0 74px 0 44px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-input::placeholder{color:var(--text-3);}
.search-input:focus{outline:none;border-color:var(--brand-strong);background:#fff;box-shadow:0 0 0 2px rgba(18,224,181,.28);}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:15px;}
.search-kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:8px;
  padding:2px 7px;background:#fff;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 11px;font-size:14px;font-weight:500;color:var(--text-2);
  border-radius:10px;transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-strong);background:var(--brand-tint);}
.nav-link.active{color:var(--brand-strong);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:8px;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;font-size:17px;color:var(--text);cursor:pointer;
}
.mobile-search-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;font-size:16px;color:var(--text-2);cursor:pointer;
}
.hot-words{display:flex;align-items:center;gap:8px;padding:0 0 12px;flex-wrap:wrap;}
.hot-words span.hw-label{font-size:13px;color:var(--text-3);}
.hot-word{
  font-size:13px;color:var(--text-2);background:#F1F4F9;border-radius:var(--r-pill);
  padding:4px 12px;transition:background .2s ease,color .2s ease;
}
.hot-word:hover{background:var(--brand-tint);color:var(--brand-strong);}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(115deg,rgba(18,18,28,.94) 0%,rgba(18,18,28,.86) 46%,rgba(18,18,28,.7) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  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:56px 56px;opacity:.6;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-140px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,138,.36),transparent 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:86px 0 78px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero h1{font-size:42px;line-height:1.28;font-weight:800;letter-spacing:.4px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.78);max-width:520px;}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-meta{display:flex;gap:34px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);flex-wrap:wrap;}
.hero-meta li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.8);}
.hero-meta i{color:var(--brand);font-size:15px;}
.hero-visual{position:relative;}
.hero-visual .hero-img{
  border-radius:var(--r-hero);overflow:hidden;box-shadow:0 26px 60px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.14);
}
.hero-visual .hero-img img{width:100%;height:400px;object-fit:cover;}
.hero-float{
  position:absolute;left:-26px;bottom:-26px;width:236px;background:#fff;color:var(--text);
  border-radius:var(--r-card);padding:14px;box-shadow:var(--sh-md);display:flex;gap:12px;align-items:center;
}
.hero-float img{width:62px;height:62px;border-radius:12px;object-fit:cover;flex-shrink:0;}
.hero-float strong{display:block;font-size:14px;}
.hero-float span{font-size:12px;color:var(--text-3);}

/* 阶梯 */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end;}
.ladder-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(18,224,181,.4);}
.ladder-card:nth-child(1){margin-top:48px;background:linear-gradient(180deg,#F6FCFB,#fff);}
.ladder-card:nth-child(2){margin-top:32px;background:linear-gradient(180deg,var(--brand-tint),#fff);}
.ladder-card:nth-child(3){margin-top:16px;background:linear-gradient(180deg,#FFF3F8,#fff);}
.ladder-card:nth-child(4){margin-top:0;background:linear-gradient(180deg,#FFF0F6,#fff);border-color:rgba(255,61,138,.35);box-shadow:0 14px 34px rgba(255,61,138,.16);}
.ladder-step{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--text-3);}
.ladder-name{font-size:19px;font-weight:700;margin-top:8px;}
.ladder-price{margin-top:6px;font-size:14px;color:var(--brand-strong);font-weight:600;font-variant-numeric:tabular-nums;}
.ladder-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:11px;}
.ladder-list li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.6;}
.ladder-list i{color:var(--brand-strong);margin-top:5px;font-size:12px;}
.ladder-card .btn{margin-top:auto;}

/* 对比表 */
.compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:auto;box-shadow:var(--sh-sm);}
.compare-table{width:100%;border-collapse:collapse;min-width:780px;}
.compare-table th,.compare-table td{padding:0 18px;height:58px;text-align:center;font-size:14px;border-bottom:1px solid var(--line);}
.compare-table thead th{
  position:sticky;top:0;background:#FAFBFD;z-index:2;font-size:14px;font-weight:700;color:var(--text);height:66px;
}
.compare-table tbody th{text-align:left;font-weight:500;color:var(--text-2);background:#fff;}
.compare-table tbody tr:nth-child(even) th,
.compare-table tbody tr:nth-child(even) td{background:#FAFBFD;}
.compare-table td .yes{color:var(--brand-strong);font-size:15px;}
.compare-table td .no{color:var(--text-3);}
.col-rec{position:relative;background:var(--brand-tint)!important;border-left:1.5px solid var(--brand);border-right:1.5px solid var(--brand);}
th.col-rec{color:var(--brand-strong);}
.col-rec .tag-rec{
  position:absolute;top:-11px;right:10px;background:var(--brand);color:#0B1020;font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:var(--r-pill);
}
.compare-scroll-note{display:none;margin-top:16px;text-align:center;}

/* 限时条带 */
.strip{
  background:linear-gradient(90deg,#101019,#1B1B2A 60%,#241733);color:#fff;padding:40px 0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 12px,transparent 12px 24px),linear-gradient(90deg,#101019,#1B1B2A 62%,#2A1730);
}
.strip-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.strip-title{font-size:22px;font-weight:700;}
.strip-desc{margin-top:8px;font-size:14px;color:rgba(255,255,255,.7);}
.strip-timer{display:flex;align-items:center;gap:16px;margin-top:20px;}
.timer-cell{text-align:center;min-width:62px;}
.timer-num{font-size:24px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.2;}
.timer-unit{font-size:12px;color:rgba(255,255,255,.6);margin-top:2px;}

/* 分类卡 */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.cat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(18,224,181,.35);}
.cat-cover{position:relative;overflow:hidden;aspect-ratio:16/9;}
.cat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-cover img{transform:scale(1.04);}
.cat-cover .badge{position:absolute;left:12px;top:12px;}
.cat-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.cat-body h3{font-size:18px;font-weight:600;}
.cat-body p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;}
.cat-more{margin-top:18px;font-size:13px;color:var(--brand-strong);font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* 数据块 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh-sm);
}
.stat-num{font-size:32px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num span{font-size:16px;color:var(--brand-strong);margin-left:3px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-2);}
.stat-note{margin-top:6px;font-size:12px;color:var(--text-3);}

/* 最新信息 */
.news-feature{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);margin-bottom:22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(18,224,181,.35);}
.news-feature .nf-cover{overflow:hidden;min-height:280px;}
.news-feature .nf-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;min-height:280px;}
.news-feature:hover .nf-cover img{transform:scale(1.03);}
.nf-body{padding:30px 30px 28px;display:flex;flex-direction:column;}
.nf-body h3{font-size:22px;font-weight:700;line-height:1.45;}
.nf-body p{margin-top:14px;font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.nf-meta{margin-top:auto;padding-top:20px;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-mini{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(18,224,181,.35);}
.news-mini .nm-cover{aspect-ratio:16/9;overflow:hidden;}
.news-mini .nm-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-mini:hover .nm-cover img{transform:scale(1.04);}
.nm-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.nm-body h4{font-size:16px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nm-body p{margin-top:10px;font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nm-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3);}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--text-2);
}
.empty-state i{font-size:30px;color:var(--brand);display:block;margin-bottom:14px;}
.empty-state p{font-size:14px;}
.empty-state .btn{margin-top:20px;}

/* 表单 */
.consult{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start;}
.consult h2{font-size:28px;font-weight:700;line-height:1.4;}
.consult .lead{margin-top:14px;color:var(--text-2);font-size:15px;}
.point-list{margin-top:28px;display:flex;flex-direction:column;gap:18px;}
.point-list li{display:flex;gap:14px;}
.point-list .ico{
  width:40px;height:40px;border-radius:12px;background:var(--brand-tint);color:var(--brand-strong);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.point-list strong{display:block;font-size:15px;font-weight:600;}
.point-list span{font-size:13.5px;color:var(--text-2);}
.trust-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px;}
.trust-row .badge{height:28px;font-size:12.5px;}
.form-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-md);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--text-2);}
.field label .req{color:var(--brand-strong);margin-left:2px;}
.input,.select,.textarea{
  width:100%;height:44px;border-radius:var(--r-input);border:1px solid var(--line);background:#FBFCFE;
  padding:0 14px;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand-strong);background:#fff;box-shadow:0 0 0 2px rgba(18,224,181,.24);}
.field.error .input,.field.error .select,.field.error .textarea{border-color:var(--err);}
.field .err-msg{display:none;margin-top:7px;font-size:13px;color:var(--err);}
.field.error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin:4px 0 20px;}
.check-row input{width:17px;height:17px;margin-top:4px;accent-color:var(--brand-strong);flex-shrink:0;}
.form-msg{display:none;margin-top:16px;border-radius:var(--r-input);padding:12px 14px;font-size:13.5px;}
.form-msg.ok{display:block;background:#E9F8F1;color:#12724E;}
.form-msg.err{display:block;background:#FDECEC;color:#A92227;}

/* FAQ */
.faq{max-width:920px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text);transition:background .2s ease;
}
.faq-q:hover{background:#FAFBFD;}
.faq-q .plus{
  width:26px;height:26px;border-radius:50%;background:var(--brand-tint);color:var(--brand-strong);
  display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#0B1020;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 20px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* CTA 条带 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-hero);color:#fff;padding:52px 48px;
  background-image:linear-gradient(120deg,rgba(18,18,28,.95),rgba(18,18,28,.82)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:27px;font-weight:700;line-height:1.4;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.74);font-size:14.5px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.foot-brand .logo-text{color:#fff;}
.foot-brand .logo-text small{color:rgba(255,255,255,.45);}
.foot-brand p{margin-top:18px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.5px;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease;}
.foot-links a:hover{color:var(--brand);padding-left:4px;}
.foot-contact li{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:12px;display:flex;gap:10px;}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;
  align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom a{color:rgba(255,255,255,.6);}
.foot-bottom a:hover{color:var(--brand);}

/* 悬浮 */
.back-top{
  position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;border:0;
  background:var(--ink-900);color:#fff;font-size:15px;cursor:pointer;box-shadow:var(--sh-md);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease;z-index:70;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-3px);background:var(--brand-strong);}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;padding:10px 16px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(18,18,28,.08);
  transform:translateY(110%);transition:transform .28s ease;
}
.mobile-bar.show{transform:translateY(0);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,18,28,.55);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;
  box-shadow:-12px 0 40px rgba(18,18,28,.2);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:15px;color:var(--text-2);}
.drawer-body{padding:16px 20px;overflow-y:auto;flex:1;}
.drawer-body a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:48px;font-size:15px;font-weight:500;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-body a.drawer-link.active{color:var(--brand-strong);font-weight:700;}
.drawer-search{position:relative;margin-bottom:14px;}
.drawer-search .search-input{padding-right:16px;}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line);}

/* 响应式 */
@media (max-width:1100px){
  .nav-links .nav-link{padding:8px 8px;font-size:13.5px;}
  .hero h1{font-size:36px;}
  .hero-inner{gap:40px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  .nav-search,.nav-links{display:none;}
  .mobile-search-btn,.hamburger{display:flex;}
  .nav-inner{justify-content:space-between;gap:12px;}
  .logo{margin-right:auto;}
  .hero-inner{grid-template-columns:1fr;padding:64px 0 60px;}
  .hero-visual .hero-img img{height:300px;}
  .hero-float{left:auto;right:16px;bottom:-22px;width:214px;}
  .ladder{grid-template-columns:repeat(2,1fr);}
  .ladder-card:nth-child(n){margin-top:0;}
  .consult{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .section-title{font-size:23px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .hero-meta{gap:18px;flex-direction:column;align-items:flex-start;}
  .hero-visual .hero-float{position:static;width:100%;margin-top:16px;}
  .ladder{grid-template-columns:1fr;gap:14px;}
  .ladder-card{border-left:3px solid var(--brand);}
  .ladder-card:nth-child(3){border-left-color:var(--accent);}
  .ladder-card:nth-child(4){border-left-color:var(--accent);}
  .cat-grid,.news-grid,.stats{grid-template-columns:1fr;}
  .news-feature{grid-template-columns:1fr;}
  .news-feature .nf-cover{min-height:190px;}
  .news-feature .nf-cover img{min-height:190px;}
  .nf-body{padding:22px 20px;}
  .compare-scroll-note{display:block;}
  .strip{padding:32px 0;}
  .strip-inner{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:34px 24px;border-radius:20px;}
  .cta-band h2{font-size:21px;}
  .form-panel{padding:22px;}
  .faq-q{padding:14px 18px;font-size:14.5px;}
  .faq-a p{padding:0 18px 18px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .mobile-bar{display:block;}
  .back-top{bottom:82px;right:16px;}
  body.has-mobile-bar{padding-bottom:70px;}
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .logo-text small{display:none;}
  .hero h1{font-size:26px;}
  .hero-cta .btn{width:100%;}
  .stat-num{font-size:27px;}
  .timer-cell{min-width:52px;}
  .timer-num{font-size:20px;}
}

/* roulang page: article */
:root{
  --brand:#12E0B5;
  --brand-strong:#0BA98A;
  --brand-tint:#E6FBF5;
  --accent:#FF3D8A;
  --accent-tint:#FFE9F2;
  --gold:#FFC53D;
  --ink-900:#12121C;
  --ink-800:#1B1B2A;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E7F0;
  --text:#16182A;
  --text-2:#5A6076;
  --text-3:#8B91A7;
  --ok:#1FB57A;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:18px;
  --r-input:12px;
  --r-hero:24px;
  --r-pill:999px;
  --sh-soft:0 2px 8px rgba(18,18,28,.06);
  --sh-float:0 12px 30px rgba(18,18,28,.10);
  --sh-glow:0 10px 28px rgba(18,224,181,.28);
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:40px;
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#0B1020;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-2px);box-shadow:0 14px 32px rgba(11,169,138,.34)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-strong)}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(255,61,138,.30)}
.btn-accent:hover{background:#E82A76;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,18,28,.08)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .25s}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-strong));
  color:#0B1020;font-weight:800;font-size:19px;letter-spacing:.5px;
}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;line-height:1.15;letter-spacing:.2px}
.logo-text small{font-size:10px;font-weight:600;color:var(--text-3);letter-spacing:2px;margin-top:2px}

.nav-search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:440px;height:46px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.22)}
.nav-search i{color:var(--text-3);font-size:15px}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.key-hint{font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:6px;padding:2px 6px;line-height:1.4}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 12px;font-size:14px;font-weight:600;
  color:var(--text-2);border-radius:10px;transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--brand-strong);background:var(--brand-tint)}
.nav-link.active{color:var(--brand-strong)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:8px;flex-shrink:0}
.icon-btn{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;place-items:center;font-size:16px;
  transition:border-color .2s,color .2s,background .2s;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-strong);background:var(--brand-tint)}
.search-toggle{margin-left:auto}
.hamburger{margin-left:0}

.hot-bar{max-height:52px;overflow:hidden;transition:max-height .3s,opacity .25s;opacity:1}
.site-header.is-scrolled .hot-bar{max-height:0;opacity:0}
.hot-terms{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:0 0 12px;font-size:13px}
.hot-terms .label{color:var(--text-3)}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--bg);color:var(--text-2);font-size:13px;transition:background .2s,color .2s;
}
.chip:hover{background:var(--brand-tint);color:var(--brand-strong)}

/* 移动端搜索层 */
.mobile-search{
  display:none;position:fixed;left:0;right:0;top:0;z-index:100;
  background:#fff;padding:16px;border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px rgba(18,18,28,.12);
}
.mobile-search.open{display:block}
.mobile-search .row{display:flex;align-items:center;gap:10px}
.mobile-search .nav-search{max-width:none;flex:1}
.mobile-search .terms{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:110;background:var(--ink-900);
  padding:24px;display:none;flex-direction:column;
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-head .logo-text{color:#fff}
.drawer-head .logo-text small{color:rgba(255,255,255,.5)}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;cursor:pointer;font-size:16px;
}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  height:48px;display:flex;align-items:center;justify-content:space-between;
  color:rgba(255,255,255,.86);font-size:16px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:24px;color:rgba(255,255,255,.5);font-size:13px}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumbs a{color:var(--text-2);transition:color .2s}
.crumbs a:hover{color:var(--brand-strong)}
.crumbs .sep{color:#C7CCDA}
.crumbs .cur{color:var(--text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:32px 0 72px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}

.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-soft);padding:36px;
}
.article-title{
  font-size:36px;font-weight:800;line-height:1.3;letter-spacing:-.3px;margin-bottom:16px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--text-3);padding-bottom:22px;border-bottom:1px solid var(--line);
}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:var(--brand-tint);color:var(--brand-strong);
}
.badge-live{background:var(--accent);color:#fff}
.badge-gold{background:#FFF6E0;color:#9A6B00}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CBD1E0}

.article-cover{
  margin:24px 0 0;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-soft);
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--text-3);text-align:center;padding:10px 12px;background:#FAFBFE}

/* ---------- 正文排版 ---------- */
.prose-cn{padding-top:8px;font-size:17px;line-height:1.9;max-width:800px}
.prose-cn > :first-child{margin-top:0}
.prose-cn p{margin:0 0 1.5em}
.prose-cn h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.45;
  margin:40px 0 16px;padding-left:16px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:3px;background:var(--brand);
}
.prose-cn h3{font-size:20px;font-weight:700;margin:28px 0 12px}
.prose-cn ul,.prose-cn ol{margin:0 0 1.5em;padding-left:0}
.prose-cn ul li{list-style:none;position:relative;padding-left:20px;margin-bottom:.55em}
.prose-cn ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--brand);
}
.prose-cn ol{padding-left:24px}
.prose-cn ol li{margin-bottom:.55em}
.prose-cn blockquote{
  margin:0 0 1.5em;padding:16px 20px;background:var(--brand-tint);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--text-2);
}
.prose-cn img{border-radius:12px;margin:24px auto}
.prose-cn a{color:var(--brand-strong);text-decoration:underline;text-underline-offset:3px}
.prose-cn a:hover{color:var(--accent)}
.prose-cn code{background:#F1F3F9;border-radius:6px;padding:2px 6px;font-size:.92em}
.prose-cn table{
  width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:15px;
  border-radius:12px;overflow:hidden;box-shadow:0 0 0 1px var(--line);
}
.prose-cn th{background:var(--brand-tint);font-weight:700;text-align:left}
.prose-cn th,.prose-cn td{padding:12px 14px;border:1px solid var(--line)}
.prose-cn tbody tr:nth-child(even){background:#FAFBFE}
.prose-cn hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 空状态 */
.empty-state{
  text-align:center;padding:48px 16px;color:var(--text-2);
}
.empty-state i{font-size:34px;color:var(--text-3);display:block;margin-bottom:14px}
.empty-state p{font-size:16px;margin-bottom:20px}

/* 文末 */
.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-soft);
}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand-strong)}
.side-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.side-post:last-child{border-bottom:0;padding-bottom:0}
.side-post .thumb{width:76px;height:54px;border-radius:10px;overflow:hidden;flex-shrink:0;background:#EEF1F8}
.side-post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.side-post:hover .thumb img{transform:scale(1.06)}
.side-post b{display:block;font-size:14px;font-weight:600;line-height:1.5;transition:color .2s}
.side-post:hover b{color:var(--brand-strong)}
.side-post span{font-size:12px;color:var(--text-3)}
.side-promo{
  background:linear-gradient(140deg,var(--ink-900),#20203A);
  border:0;color:#fff;border-radius:var(--r-card);padding:22px;
  position:relative;overflow:hidden;
}
.side-promo::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,224,181,.42),transparent 68%);
}
.side-promo h3{font-size:16px;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.side-promo p{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:16px}
.countdown{display:flex;gap:14px;margin-bottom:18px}
.countdown .unit{text-align:center}
.countdown .num{
  font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--gold);line-height:1.1;
}
.countdown .unit small{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:4px}
.side-promo .btn{width:100%;position:relative;z-index:1}

/* ---------- 相关推荐 ---------- */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:700}
.section-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.link-more{color:var(--brand-strong);font-size:14px;font-weight:600;white-space:nowrap}
.link-more:hover{text-decoration:underline}

.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-soft);
  transition:transform .25s,box-shadow .25s,border-color .25s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.45)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#EEF1F8}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(18,18,28,.78);color:#fff}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.8}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:4px;
}
.card-foot .arrow{color:var(--brand-strong)}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  border-radius:var(--r-hero);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 2px,transparent 2px 14px);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,138,.32),transparent 66%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.74);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo-text small{color:rgba(255,255,255,.5)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.9;max-width:340px}
.foot-title{font-size:15px;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s}
.foot-links a:hover{color:var(--brand)}
.foot-contact{list-style:none;display:flex;flex-direction:column;gap:12px;font-size:14px}
.foot-contact i{color:var(--brand);margin-right:8px}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}
.foot-bottom a{transition:color .2s}
.foot-bottom a:hover{color:var(--brand)}

/* 返回顶部 */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:80;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;font-size:15px;
  display:grid;place-items:center;box-shadow:var(--sh-float);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,transform .2s,color .2s;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{color:var(--brand-strong);transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search,.nav-links,.header-cta,.key-hint{display:none}
  .search-toggle,.hamburger{display:grid}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side{position:static;top:auto}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .article-wrap{padding:24px 0 56px}
  .article-card{padding:22px}
  .article-title{font-size:28px}
  .prose-cn{font-size:16.5px}
  .prose-cn h2{font-size:21px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head h2{font-size:23px}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:22px}
  .site-footer{margin-top:56px;padding:48px 0 24px}
  .back-top{right:16px;bottom:16px}
  .hot-bar{max-height:none}
}
@media (max-width:520px){
  .rel-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .article-title{font-size:24px}
  .meta-row{gap:8px}
  .article-cover{border-radius:16px}
}

/* roulang page: category1 */
:root{
  --brand:#12E0B5;
  --brand-strong:#0BA98A;
  --brand-tint:#E6FBF5;
  --accent:#FF3D8A;
  --accent-tint:#FFE9F2;
  --gold:#FFC53D;
  --ink-900:#12121C;
  --ink-800:#1B1B2A;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E7F0;
  --text:#16182A;
  --text-2:#5A6076;
  --text-3:#8B91A7;
  --ok:#1FB57A;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:18px;
  --r-input:12px;
  --r-hero:24px;
  --sh-soft:0 2px 8px rgba(18,18,28,.06);
  --sh-float:0 12px 30px rgba(18,18,28,.10);
  --sh-glow:0 10px 28px rgba(18,224,181,.28);
  --gap:24px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-strong);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#0B1020;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:var(--brand-strong);color:#fff;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-strong);background:transparent}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,61,138,.26)}
.btn-accent:hover{background:#E62B77;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn-text{color:var(--brand-strong);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-text:hover{text-decoration:underline}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-tint);color:var(--brand-strong)}
.badge-accent{background:var(--accent);color:#fff}
.badge-gold{background:#FFF6E0;color:#9A6A00}
.badge-ink{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,18,28,.08)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-strong));
  color:#06121A;font-weight:800;font-size:19px;
  box-shadow:0 8px 18px rgba(18,224,181,.32);
}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;line-height:1.1;letter-spacing:.2px}
.logo-text small{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--brand-strong)}

.nav-search{
  flex:1 1 auto;max-width:460px;height:46px;
  display:flex;align-items:center;gap:10px;
  padding:0 8px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.20)}
.nav-search i{color:var(--text-3);font-size:15px}
.nav-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.keyhint{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--bg);border:1px solid var(--line);color:var(--text-3);font-size:12px;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:var(--bg)}
.nav-link.active{color:var(--brand-strong);font-weight:700;background:var(--brand-tint)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{flex-shrink:0}
.search-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--line);color:var(--text-2);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--bg);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-search{
  display:none;border-top:1px solid var(--line);background:var(--surface);padding:16px 0 18px;
}
.mobile-search.is-open{display:block}
.mobile-search .nav-search{max-width:none}
.hot-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.hot-row .badge-brand{background:var(--bg);color:var(--text-2);transition:.2s}
.hot-row .badge-brand:hover{background:var(--brand-tint);color:var(--brand-strong)}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  max-height:calc(100vh - 72px);overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 24px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-2);
}
.mobile-drawer .drawer-link.active{color:var(--brand-strong);font-weight:700;background:var(--brand-tint)}
.mobile-drawer .drawer-cta{padding:18px 24px 24px}

/* ---------- Hero 横幅 ---------- */
.hero-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(18,18,28,.96) 0%,rgba(18,18,28,.86) 46%,rgba(18,18,28,.62) 100%);
}
.hero-band::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.22) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 240px at 12% 20%,rgba(18,224,181,.34),transparent 70%),
             radial-gradient(380px 240px at 88% 78%,rgba(255,61,138,.26),transparent 72%);
}
.hero-inner{position:relative;z-index:3;padding:52px 0 56px;min-height:248px;display:flex;flex-direction:column;justify-content:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:16px}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .now{color:rgba(255,255,255,.92)}
.hero-inner h1{font-size:42px;line-height:1.22;font-weight:800;letter-spacing:.5px}
.hero-inner h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.78);max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- 数据条 ---------- */
.stat-strip{margin-top:-34px;position:relative;z-index:5}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-float);overflow:hidden;
}
.stat-item{padding:22px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:26px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num span{font-size:15px;color:var(--text-3);font-weight:600;margin-left:4px}
.stat-label{font-size:13.5px;color:var(--text-2);margin-top:6px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-ink{background:var(--ink-900);color:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-strong);letter-spacing:1.4px;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:29px;line-height:1.35;font-weight:700;letter-spacing:.3px}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:15.5px}
.section-ink .sec-head h2{color:#fff}
.section-ink .sec-head p{color:rgba(255,255,255,.72)}
.section-ink .sec-kicker{color:var(--brand)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:16px 20px;margin-bottom:28px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-soft);
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  height:34px;padding:0 16px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);
  font-size:14px;color:var(--text-2);
  transition:.2s ease;
}
.chip:hover{color:var(--brand-strong);border-color:rgba(18,224,181,.5);background:var(--brand-tint)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#0B1020;font-weight:700}
.sort-wrap{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2)}
.sort-wrap select{
  height:38px;padding:0 34px 0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%235A6076' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center;
  appearance:none;font-size:14px;color:var(--text);
}
.sort-wrap select:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.18)}

/* ---------- 资源卡片 ---------- */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-soft);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.35)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px}
.card-media .badge-time{left:auto;right:14px;background:rgba(18,18,28,.72);color:#fff}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.card-foot .go{color:var(--brand-strong);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease}
.card:hover .card-foot .go{gap:10px}
.chip-mini{background:var(--brand-tint);color:var(--brand-strong);height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;display:inline-flex;align-items:center}
.grid-more{display:flex;justify-content:center;gap:14px;margin-top:40px}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-media{border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-float);border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{margin-top:26px;display:grid;gap:16px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list i{color:var(--brand-strong);margin-top:5px}
.check-list strong{color:var(--text);font-weight:600}

/* ---------- 步骤卡 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-soft);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-float)}
.step-num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand-strong);font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:600;margin-top:16px}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--text-2)}
.step-card .step-meta{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-soft);display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.35)}
.scene-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand-strong);font-size:19px;
}
.scene-card h3{font-size:17.5px;font-weight:600}
.scene-card p{font-size:14.5px;color:var(--text-2)}
.scene-card .btn-text{margin-top:auto;font-size:14px}

/* ---------- 深色条带 ---------- */
.band{position:relative;overflow:hidden}
.band::before{
  content:"";position:absolute;inset:0;opacity:.10;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.5) 0 1px,transparent 1px 16px);
}
.band-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding:44px 0}
.band h2{font-size:25px;font-weight:700;color:#fff}
.band p{margin-top:10px;color:rgba(255,255,255,.74);font-size:15px;max-width:640px}
.count-row{display:flex;gap:14px;margin-top:20px}
.count-cell{
  min-width:74px;padding:10px 14px;border-radius:14px;text-align:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.count-cell b{display:block;font-size:24px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.15}
.count-cell span{font-size:12px;color:rgba(255,255,255,.66)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-soft)}
.faq-side h3{font-size:18px;font-weight:600}
.faq-side p{margin-top:12px;font-size:14.5px;color:var(--text-2)}
.faq-side .side-list{margin-top:18px;display:grid;gap:12px}
.faq-side .side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.faq-side .side-list i{color:var(--brand-strong);margin-top:4px}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-soft);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;min-height:56px;padding:16px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:background .2s ease;
}
.faq-q:hover{background:var(--bg)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .3s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-strong);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-2)}

/* ---------- CTA + 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-copy h2{font-size:29px;line-height:1.35;font-weight:700}
.cta-copy p{margin-top:16px;color:var(--text-2);font-size:15.5px;max-width:520px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.trust-row .badge-brand{height:30px;padding:0 14px;background:var(--surface);border:1px solid var(--line);color:var(--text-2);font-weight:500}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-float);
}
.form-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.form-card .form-note{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field .req{color:var(--brand-strong)}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);background:var(--surface);
  font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.18);
}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);margin:6px 0 18px}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand-strong);flex-shrink:0}
.agree a{color:var(--brand-strong);text-decoration:underline}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .logo-text{color:#fff}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-links{display:grid;gap:12px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.foot-links a:hover{color:var(--brand);transform:translateX(3px)}
.foot-contact{display:grid;gap:12px}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.7}
.foot-contact i{color:var(--brand);margin-top:5px}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom a{color:rgba(255,255,255,.68)}
.foot-bottom a:hover{color:var(--brand)}

/* ---------- 返回顶部 / 移动端咨询条 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:130;
  width:46px;height:46px;border-radius:999px;
  display:none;align-items:center;justify-content:center;
  background:var(--ink-900);color:#fff;box-shadow:var(--sh-float);
  transition:transform .2s ease,background .2s ease;
}
.to-top.show{display:flex}
.to-top:hover{background:var(--brand-strong);transform:translateY(-3px)}
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:125;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(18,18,28,.08);
}
.mobile-cta.show{display:block}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:flex}
  .nav-search{max-width:520px}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .band-inner{grid-template-columns:1fr;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-search{display:none}
  .search-toggle{display:flex}
  .logo-text small{display:none}
  .hero-inner{padding:44px 0 48px;min-height:0}
  .hero-inner h1{font-size:30px}
  .hero-sub{font-size:15px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .sec-head h2{font-size:24px}
  .cta-copy h2{font-size:24px}
  .res-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .filter-bar{border-radius:20px;padding:14px 16px}
  .stat-strip{margin-top:-24px}
  .stat-item{padding:18px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .hero-inner h1{font-size:26px}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr}
  .card-body{padding:18px}
  .btn{width:100%}
  .grid-more{flex-direction:column}
  .card-foot .btn-text{width:auto}
  .mobile-cta .btn{width:100%}
  .to-top{bottom:82px;right:16px}
}

/* roulang page: category2 */
:root{
  --brand:#12E0B5;
  --brand-strong:#0BA98A;
  --brand-tint:#E6FBF5;
  --accent:#FF3D8A;
  --accent-tint:#FFE9F2;
  --gold:#FFC53D;
  --ink-900:#12121C;
  --ink-800:#1B1B2A;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E7F0;
  --text:#16182A;
  --text-2:#5A6076;
  --text-3:#8B91A7;
  --ok:#1FB57A;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:18px;
  --r-input:12px;
  --r-pill:999px;
  --sh-soft:0 2px 8px rgba(18,18,28,.06);
  --sh-float:0 12px 30px rgba(18,18,28,.10);
  --sh-glow:0 10px 28px rgba(18,224,181,.28);
  --container:1240px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-strong)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-strong);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#0B1020;box-shadow:var(--sh-soft)}
.btn-primary:hover{background:var(--brand-strong);color:#04140F;transform:translateY(-2px);box-shadow:var(--sh-glow)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#E42B77;color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,61,138,.32)}
.btn-ghost{background:transparent;color:var(--brand-strong);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-tint);color:var(--brand-strong);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-strong);transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1;
}
.badge-soft{background:var(--brand-tint);color:#0A7A64}
.badge-live{background:var(--accent);color:#fff}
.badge-gold{background:rgba(255,197,61,.16);color:#8A5A00}
.badge-line{background:#fff;color:var(--text-2);border:1px solid var(--line)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-soft)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,#0BA98A 100%);
  color:#0B1020;font-weight:800;font-size:19px;
}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;letter-spacing:.2px;color:var(--text)}
.logo-text small{font-size:10px;font-weight:600;letter-spacing:1.4px;color:var(--text-3);line-height:1.2}
.search-wrap{flex:1 1 40%;max-width:520px;min-width:180px}
.search-box{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 8px 0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.22)}
.search-box i{color:var(--text-3);font-size:14px}
.search-box input{flex:1;height:100%;border:0;background:transparent;outline:none;font-size:14.5px}
.search-box input::placeholder{color:var(--text-3)}
.key-hint{
  flex-shrink:0;font-size:11.5px;color:var(--text-3);border:1px solid var(--line);
  border-radius:6px;padding:2px 7px;line-height:1.4;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 12px;font-size:14.5px;font-weight:600;color:var(--text-2);
  border-radius:10px;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-strong);background:var(--brand-tint)}
.nav-link.active{color:var(--brand-strong)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-cta{flex-shrink:0}
.http{display:flex}
.icon-btn{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:12px;color:var(--text);font-size:16px;align-items:center;justify-content:center;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-strong)}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.header-hot{padding:0 24px 12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.header-hot span.hot-label{font-size:13px;color:var(--text-3)}
.hot-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);
  background:#F1F4F9;color:var(--text-2);font-size:13px;font-weight:500;
}
.hot-pill:hover{background:var(--brand-tint);color:var(--brand-strong)}
.site-header.is-scrolled .header-hot{display:none}

/* 移动端搜索层 & 抽屉 */
.mobile-search,.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:120;background:#fff;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
}
.mobile-search.open,.mobile-drawer.open{transform:translateY(0);opacity:1;visibility:visible}
.mobile-search{padding:18px 20px 24px;border-bottom:1px solid var(--line)}
.mobile-search .ms-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.mobile-search .search-box{flex:1}
.close-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:16px;
}
.close-btn:hover{border-color:var(--brand);color:var(--brand-strong)}
.ms-hot{display:flex;flex-wrap:wrap;gap:8px}
.mobile-drawer{
  height:100%;overflow-y:auto;padding:18px 20px 40px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;height:48px;
  border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--text-2);
}
.drawer-links a.active{color:var(--brand-strong)}
.drawer-links a:hover{color:var(--brand-strong)}
.drawer-cta{margin-top:22px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background-color:var(--ink-900);
  background-image:linear-gradient(115deg,rgba(18,18,28,.92) 0%,rgba(18,18,28,.74) 52%,rgba(18,18,28,.88) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 260px at 12% 18%,rgba(18,224,181,.24),transparent 70%),
    radial-gradient(520px 260px at 88% 82%,rgba(255,61,138,.20),transparent 72%);
}
.page-hero .container{position:relative;z-index:2;max-width:1000px}
.hero-tagline{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.page-hero h1{
  font-size:42px;line-height:1.28;font-weight:800;letter-spacing:.3px;max-width:820px;
}
.hero-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.78);max-width:720px}
.crumbs{display:flex;align-items:center;gap:8px;margin-top:22px;font-size:13px;color:rgba(255,255,255,.6)}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--brand)}
.crumbs i{font-size:10px;opacity:.6}
.crumbs .current{color:rgba(255,255,255,.55)}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-meta .hm{
  display:flex;align-items:center;gap:9px;padding:10px 16px;border-radius:14px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(255,255,255,.82);
}
.hero-meta .hm strong{color:var(--brand);font-weight:700}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-ink{background:var(--ink-900);color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-strong);letter-spacing:.6px;margin-bottom:12px;
}
.section-ink .eyebrow{color:var(--brand)}
.section-head h2{font-size:29px;line-height:1.35;font-weight:700}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-2)}
.section-ink .section-head p{color:rgba(255,255,255,.72)}
.head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.text-link{font-size:14.5px;font-weight:600;color:var(--brand-strong)}
.text-link:hover{text-decoration:underline}

/* ---------- 快速上手横滚卡带 ---------- */
.quick-strip{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.quick-strip::-webkit-scrollbar{height:6px}
.quick-strip::-webkit-scrollbar-thumb{background:#D6DCE8;border-radius:6px}
.quick-card{
  flex:0 0 268px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-soft);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.45)}
.quick-card .qc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.qc-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand-strong);font-size:16px;
}
.quick-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.quick-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.qc-foot{display:flex;gap:10px;align-items:center;margin-top:14px;font-size:12.5px;color:var(--text-3)}

/* ---------- 步骤流程 ---------- */
.step-flow{display:flex;flex-direction:column;gap:18px}
.step-card{
  display:flex;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-soft);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.42)}
.step-num{
  flex-shrink:0;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand) 0%,#0BA98A 100%);color:#08110E;
  font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-body{flex:1;min-width:0}
.step-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--text-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.step-note{
  margin-top:14px;padding:12px 16px;border-left:4px solid var(--brand);
  background:var(--brand-tint);border-radius:8px;font-size:14px;color:#0A6B58;
}
.step-thumb{
  flex-shrink:0;width:200px;border-radius:14px;overflow:hidden;border:1px solid var(--line);
}
.step-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.step-card:hover .step-thumb img{transform:scale(1.03)}

/* ---------- 难度分层清单 ---------- */
.level-list{display:flex;flex-direction:column;gap:16px}
.level-item{
  display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-soft);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.level-item:hover{transform:translateY(-3px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.42)}
.level-index{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--ink-900);color:var(--brand);font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.level-main{flex:1;min-width:0}
.level-main h3{font-size:18px;font-weight:700;margin-bottom:8px}
.level-main p{font-size:14.5px;color:var(--text-2)}
.level-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.level-side{flex-shrink:0;text-align:right;min-width:104px}
.level-side .lv-time{
  font-size:24px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.2;
}
.level-side .lv-unit{font-size:12.5px;color:var(--text-3)}

/* ---------- 误区列表 ---------- */
.pit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pit-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:14px;padding:22px;box-shadow:var(--sh-soft);
  transition:transform .22s ease,box-shadow .22s ease;
}
.pit-card:hover{transform:translateY(-3px);box-shadow:var(--sh-float)}
.pit-card h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.pit-card h3 i{color:var(--accent)}
.pit-card p{font-size:14.5px;color:var(--text-2)}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-soft);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-float);border-color:rgba(18,224,181,.4)}
.scene-card .sc-img{aspect-ratio:16/9;overflow:hidden}
.scene-card .sc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .sc-img img{transform:scale(1.04)}
.scene-card .sc-body{padding:22px;display:flex;flex-direction:column;flex:1}
.scene-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--text-2);flex:1}
.scene-card .sc-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between}
.scene-card .sc-foot span{font-size:13px;color:var(--text-3)}
.scene-card .sc-foot i{color:var(--brand-strong)}

/* ---------- 数据条 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-soft);
}
.stat{text-align:center;padding:0 8px}
.stat .num{
  font-size:30px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.stat .num em{font-style:normal;font-size:15px;font-weight:700;color:var(--brand-strong);margin-left:4px}
.stat .lbl{font-size:13.5px;color:var(--text-2);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-soft);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--brand-strong)}
.faq-q i{
  flex-shrink:0;color:var(--brand-strong);font-size:14px;
  transition:transform .25s ease;
}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{padding:0 24px 20px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- CTA / 表单 ---------- */
.cta-section{
  background:
    linear-gradient(120deg,rgba(18,18,28,.94),rgba(18,18,28,.86)),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;color:#fff;
}
.cta-wrap{display:grid;grid-template-columns:1fr 460px;gap:56px;align-items:start}
.cta-left h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:16px}
.cta-left p{font-size:15.5px;color:rgba(255,255,255,.74);max-width:520px}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.82)}
.cta-points i{color:var(--brand);margin-top:6px;font-size:12px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.trust-row .badge{background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.14)}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-float);color:var(--text);
}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field .req{color:var(--brand-strong)}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.2)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);margin:4px 0 18px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-strong);flex-shrink:0}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;font-size:13.5px}
.form-msg.ok{display:block;background:var(--brand-tint);color:#0A6B58}
.form-msg.err{display:block;background:#FDECEC;color:#A5252A}

/* ---------- 限时条带 ---------- */
.timer-band{
  background:
    repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 12px,rgba(255,255,255,0) 12px 24px),
    var(--ink-800);
  border-radius:var(--r-card);padding:28px 32px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.timer-band .tb-left{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.timer-band h3{font-size:19px;font-weight:700}
.timer-band p{font-size:13.5px;color:rgba(255,255,255,.66);margin-top:4px}
.timer-nums{display:flex;gap:14px}
.timer-unit{text-align:center;min-width:52px}
.timer-unit .tn{
  font-size:24px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.2;
}
.timer-unit .tu{font-size:12px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo-text small{color:rgba(255,255,255,.45)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.62)}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-links{display:flex;flex-direction:column;gap:12px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66)}
.foot-links a:hover{color:var(--brand)}
.foot-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:14px;color:rgba(255,255,255,.66);line-height:1.7}
.foot-contact i{color:var(--brand);margin-top:6px;font-size:13px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);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,.5);
}
.foot-bottom a{color:rgba(255,255,255,.62)}
.foot-bottom a:hover{color:var(--brand)}

/* ---------- 返回顶部 & 移动咨询条 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;width:46px;height:46px;border-radius:50%;
  border:0;background:var(--brand);color:#08110E;font-size:16px;box-shadow:var(--sh-glow);
  display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;
  padding:10px 16px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .3s ease;
}
.mobile-bar.show{transform:translateY(0)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-link{padding:10px 9px;font-size:14px}
  .search-wrap{max-width:360px}
}
@media (max-width:1024px){
  .search-wrap,.nav-links,.header-cta,.key-hint{display:none}
  .icon-btn{display:inline-flex}
  .header-inner{gap:12px}
  .logo-text{font-size:15px}
  .header-hot{display:none}
  .section{padding:64px 0}
  .page-hero{padding:52px 0 48px}
  .page-hero h1{font-size:34px}
  .cta-wrap{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .stat-row{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .page-hero h1{font-size:28px;line-height:1.35}
  .hero-sub{font-size:15px}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .step-card{flex-direction:column;gap:16px;padding:20px}
  .step-thumb{width:100%;height:170px}
  .step-num{width:44px;height:44px;font-size:17px}
  .level-item{flex-direction:column;gap:14px}
  .level-side{text-align:left;min-width:0}
  .pit-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr;padding:20px}
  .quick-card{flex:0 0 240px}
  .timer-band{padding:22px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .to-top{right:14px;bottom:82px}
  .mobile-bar{display:flex;align-items:center;gap:12px}
  .mobile-bar .mb-txt{flex:1;font-size:13.5px;color:var(--text-2);line-height:1.5}
  .mobile-bar .mb-txt strong{display:block;color:var(--text);font-size:14.5px}
}
@media (max-width:520px){
  .logo-text small{display:none}
  .page-hero h1{font-size:25px}
  .stat-row{grid-template-columns:1fr 1fr;gap:16px;padding:18px}
  .stat .num{font-size:24px}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px}
  .form-card{padding:22px}
}

/* roulang page: category3 */
:root{
  --brand:#12E0B5;
  --brand-strong:#0BA98A;
  --brand-tint:#E6FBF5;
  --accent:#FF3D8A;
  --accent-tint:#FFE9F2;
  --gold:#FFC53D;
  --ink-900:#12121C;
  --ink-800:#1B1B2A;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E7F0;
  --text:#16182A;
  --text-2:#5A6076;
  --text-3:#8B91A7;
  --ok:#1FB57A;
  --warn:#F2A93B;
  --err:#E5484D;
  --r-card:18px;
  --r-input:12px;
  --r-pill:999px;
  --r-hero:24px;
  --sh-1:0 2px 8px rgba(18,18,28,.06);
  --sh-2:0 12px 30px rgba(18,18,28,.10);
  --sh-glow:0 10px 28px rgba(18,224,181,.28);
  --sh-glow-pink:0 10px 28px rgba(255,61,138,.26);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-strong);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#0B1020;box-shadow:var(--sh-glow);}
.btn-primary:hover{background:var(--brand-strong);color:#fff;transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-glow-pink);}
.btn-accent:hover{background:#E62B78;transform:translateY(-2px);}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-strong);background:transparent;}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--ink-900);border:1px solid var(--line);}
.btn-light:hover{border-color:var(--brand);color:var(--brand-strong);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
.btn-link{color:var(--brand-strong);font-weight:600;border-bottom:1px solid transparent;padding:0;height:auto;}
.btn-link:hover{border-bottom-color:var(--brand-strong);}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:72px;
  transition:height .25s ease;
}
.site-header.scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-strong) 60%,#0A8F76);
  color:#0B1020;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(18,224,181,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:16px;color:var(--text);}
.logo-text small{font-size:10px;font-weight:600;letter-spacing:1.6px;color:var(--text-3);}

.nav-search{
  flex:1 1 auto;max-width:480px;position:relative;display:flex;align-items:center;
}
.nav-search svg{position:absolute;left:16px;width:18px;height:18px;stroke:var(--text-3);fill:none;stroke-width:2;pointer-events:none;}
.nav-search input{
  width:100%;height:46px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  padding:0 74px 0 44px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.2);}
.search-key{
  position:absolute;right:10px;font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:2px 7px;background:#F8FAFD;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 12px;font-size:14.5px;font-weight:600;color:var(--text-2);
  border-radius:10px;
}
.nav-link:hover{color:var(--brand-strong);background:var(--brand-tint);}
.nav-link.active{color:var(--brand-strong);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:none;align-items:center;justify-content:center;color:var(--text-2);background:#fff;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-strong);}
.hot-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-bottom:12px;
}
.site-header.scrolled .hot-row{display:none;}
.hot-label{font-size:12.5px;color:var(--text-3);font-weight:600;}
.hot-tag{
  font-size:13px;padding:4px 13px;border-radius:var(--r-pill);
  background:var(--bg);color:var(--text-2);border:1px solid transparent;
}
.hot-tag:hover{background:var(--brand-tint);color:var(--brand-strong);border-color:rgba(18,224,181,.4);}

.search-panel{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 18px;
}
.search-panel.open{display:block;}
.search-panel .nav-search{max-width:100%;}
.search-panel .nav-search input{padding-right:20px;}

/* 移动端抽屉 */
.mobile-menu{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .28s ease;padding:22px 22px 32px;
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-menu.open{transform:translateX(0);}
.mobile-menu .menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.mobile-menu .menu-head span{font-weight:800;font-size:16px;}
.menu-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);}
.mobile-menu a.m-link{
  height:48px;display:flex;align-items:center;padding:0 14px;border-radius:12px;
  font-weight:600;color:var(--text-2);background:var(--bg);
}
.mobile-menu a.m-link.active{background:var(--brand-tint);color:var(--brand-strong);}
.menu-mask{
  position:fixed;inset:0;background:rgba(18,18,28,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.menu-mask.open{opacity:1;visibility:visible;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  min-height:264px;display:flex;align-items:flex-end;
  padding:56px 0 34px;
  color:#fff;
  background:
    linear-gradient(180deg,rgba(18,18,28,.70),rgba(18,18,28,.90)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;top:-60px;right:-40px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(255,61,138,.34),transparent 66%);
  pointer-events:none;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(18,224,181,.16);color:var(--brand);
  border:1px solid rgba(18,224,181,.42);margin-bottom:16px;
}
.page-hero h1{
  font-size:42px;line-height:1.25;font-weight:800;letter-spacing:-.4px;
  max-width:900px;
}
.page-hero .hero-sub{
  margin-top:14px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.82);
  max-width:760px;
}
.crumbs{margin-top:20px;font-size:13px;color:rgba(255,255,255,.68);display:flex;gap:8px;flex-wrap:wrap;}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{opacity:.55;}
.crumbs .cur{color:#fff;font-weight:600;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-dark{background:var(--ink-900);color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--brand-strong);
  background:var(--brand-tint);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-dark .eyebrow{background:rgba(18,224,181,.14);color:var(--brand);}
.section-title{font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.3px;}
.section-dark .section-title{color:#fff;}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--text-2);}
.section-dark .section-desc{color:rgba(255,255,255,.72);}
.section-head.center .section-desc{margin-left:auto;margin-right:auto;}

/* ============ 优惠阶梯 ============ */
.tier-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start;
}
.tier-card{
  border-radius:var(--r-card);padding:26px 22px 24px;
  border:1px solid rgba(18,18,28,.06);
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:16px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tier-1{background:#F1FDF9;margin-top:54px;}
.tier-2{background:var(--brand-tint);margin-top:36px;}
.tier-3{background:#CBF4E9;margin-top:18px;}
.tier-4{background:linear-gradient(165deg,#FFEDF4,#FFD6E7);border-color:rgba(255,61,138,.28);margin-top:0;box-shadow:var(--sh-glow-pink);}
.tier-name{font-size:19px;font-weight:800;}
.tier-step{font-size:12.5px;font-weight:700;color:var(--brand-strong);letter-spacing:.4px;}
.tier-4 .tier-step{color:var(--accent);}
.tier-list{display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--text-2);}
.tier-list li{display:flex;gap:9px;align-items:flex-start;line-height:1.65;}
.tier-list i{color:var(--brand-strong);margin-top:4px;font-size:13px;}
.tier-4 .tier-list i{color:var(--accent);}
.tier-card .btn{margin-top:auto;}

/* ============ 对比表 ============ */
.compare-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
.compare-table{width:100%;border-collapse:collapse;min-width:760px;}
.compare-table th,.compare-table td{
  padding:0 18px;height:56px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table thead th{
  height:64px;font-size:15px;font-weight:800;background:#FAFBFE;color:var(--text);
  position:sticky;top:0;z-index:2;
}
.compare-table tbody th{font-weight:600;color:var(--text-2);background:#FCFDFF;}
.compare-table td{color:var(--text-2);}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:#F7FEFC;}
.col-rec{background:rgba(18,224,181,.09);position:relative;}
.compare-table thead th.col-rec{background:rgba(18,224,181,.16);color:var(--brand-strong);}
.rec-flag{
  position:absolute;top:-1px;right:0;font-size:11px;font-weight:700;color:#0B1020;
  background:var(--brand);padding:2px 10px;border-bottom-left-radius:10px;
}
.mark-yes{color:var(--ok);font-weight:700;}
.mark-no{color:var(--text-3);}
.compare-note{
  padding:14px 20px;font-size:13px;color:var(--text-3);background:#FAFBFE;
  border-top:1px solid var(--line);
}

/* ============ 限时条带 ============ */
.ribbon{
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 12px,transparent 12px 24px),
    linear-gradient(120deg,var(--ink-900),var(--ink-800));
  color:#fff;
}
.ribbon-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:42px 0;
}
.ribbon-left{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.ribbon-title{font-size:22px;font-weight:800;}
.ribbon-sub{font-size:13.5px;color:rgba(255,255,255,.66);margin-top:6px;}
.countdown{display:flex;align-items:flex-end;gap:14px;}
.cd-item{text-align:center;}
.cd-num{
  font-size:26px;font-weight:800;color:var(--gold);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.cd-unit{font-size:12px;color:rgba(255,255,255,.6);margin-top:2px;}
.cd-sep{color:rgba(255,255,255,.35);font-size:22px;font-weight:700;padding-bottom:16px;}

/* ============ 活动卡片 ============ */
.act-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.act-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.act-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,224,181,.45);}
.act-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800);}
.act-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.act-card:hover .act-cover img{transform:scale(1.03);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;
}
.badge-live{background:var(--accent);color:#fff;}
.badge-soon{background:var(--gold);color:#3A2A00;}
.badge-long{background:var(--brand-tint);color:var(--brand-strong);}
.act-cover .badge{position:absolute;top:12px;left:12px;}
.act-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.act-body h3{font-size:18px;font-weight:700;}
.act-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.act-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--text-3);
  border-top:1px dashed var(--line);padding-top:14px;margin-top:auto;
}
.act-meta i{color:var(--brand-strong);margin-right:6px;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:st;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-no{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-tint);color:var(--brand-strong);font-weight:800;font-size:16px;margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;max-width:920px;margin:0 auto;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 22px;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--brand-tint);color:var(--brand-strong);}
.faq-q .plus{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--brand-tint);color:var(--brand-strong);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#0B1020;}
.faq-item.open .faq-q{color:var(--brand-strong);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ CTA 表单 ============ */
.cta-band{
  background:linear-gradient(125deg,var(--ink-900) 0%,var(--ink-800) 62%,#20203A 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-120px;left:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(18,224,181,.28),transparent 68%);
}
.cta-grid{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  padding:88px 0;
}
.cta-points{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.82);line-height:1.7;}
.cta-points i{color:var(--brand);margin-top:5px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.trust-chip{
  font-size:12.5px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.82);
}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:28px;color:var(--text);
  box-shadow:var(--sh-2);
}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px;}
.field .req{color:var(--brand-strong);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:44px;border-radius:var(--r-input);border:1px solid var(--line);
  background:#FBFCFE;padding:0 14px;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,224,181,.2);
}
.field.error input,.field.error select{border-color:var(--err);box-shadow:0 0 0 3px rgba(229,72,77,.14);}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.field.error .err-msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);line-height:1.65;margin:4px 0 18px;}
.check-row input{width:17px;height:17px;margin-top:4px;accent-color:var(--brand-strong);flex-shrink:0;}
.form-alert{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-input);font-size:14px;
}
.form-alert.ok{display:block;background:var(--brand-tint);color:var(--brand-strong);border:1px solid rgba(18,224,181,.4);}
.form-alert.bad{display:block;background:#FDECEC;color:var(--err);border:1px solid rgba(229,72,77,.32);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand .logo{margin-bottom:16px;}
.foot-brand .logo-text{color:#fff;}
.foot-brand .logo-text small{color:rgba(255,255,255,.42);}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66);}
.foot-links a:hover{color:var(--brand);}
.foot-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.66);}
.foot-contact li{display:flex;gap:10px;line-height:1.7;}
.foot-contact i{color:var(--brand);margin-top:5px;}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom a:hover{color:var(--brand);}

/* ============ 返回顶部 / 移动底栏 ============ */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#0B1020;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-glow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);padding:10px 16px;
  box-shadow:0 -6px 20px rgba(18,18,28,.08);
}
.mobile-bar .btn{width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links,.nav-search,.header-cta{display:none;}
  .icon-btn{display:flex;}
  .header-inner{gap:12px;}
  .logo-text{font-size:15px;}
  .hot-row{overflow-x:auto;white-space:nowrap;flex-wrap:nowrap;padding-bottom:10px;}
  .hot-row::-webkit-scrollbar{display:none;}
  .page-hero h1{font-size:34px;}
  .section{padding:64px 0;}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .tier-1,.tier-2,.tier-3,.tier-4{margin-top:0;}
  .act-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;padding:64px 0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .page-hero{min-height:220px;padding:44px 0 28px;}
  .page-hero h1{font-size:29px;}
  .page-hero .hero-sub{font-size:15px;}
  .section{padding:48px 0;}
  .section-title{font-size:24px;}
  .section-head{margin-bottom:28px;}
  .act-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .ribbon-inner{padding:34px 0;gap:22px;}
  .ribbon-title{font-size:19px;}
  .cta-grid{padding:48px 0;}
  .form-card{padding:22px;}
  .mobile-bar{display:block;}
  .back-top{bottom:82px;right:16px;}
  body{padding-bottom:66px;}
}
@media (max-width:520px){
  .tier-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .page-hero h1{font-size:26px;}
  .countdown{gap:10px;}
  .cd-num{font-size:22px;}
  .logo-mark{width:34px;height:34px;font-size:17px;}
  .logo-text{font-size:14px;}
  .logo-text small{letter-spacing:1px;}
}

/* roulang page: category4 */
:root{
  --brand:#12E0B5;
  --brand-strong:#0BA98A;
  --brand-tint:#E6FBF5;
  --accent:#FF3D8A;
  --accent-tint:#FFE9F2;
  --gold:#FFC53D;
  --ink-900:#12121C;
  --ink-800:#1B1B2A;
  --bg:#F4F6FA;
  --surface:#FFFFFF;
  --line:#E3E7F0;
  --text:#16182A;
  --text-2:#5A6076;
  --text-3:#8B91A7;
  --success:#1FB57A;
  --warn:#F2A93B;
  --error:#E5484D;
  --r-card:18px;
  --r-input:12px;
  --r-pill:999px;
  --sh-soft:0 2px 8px rgba(18,18,28,.06);
  --sh-lift:0 12px 30px rgba(18,18,28,.10);
  --sh-glow:0 10px 28px rgba(18,224,181,.28);
  --container:1240px;
  --gap:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-strong);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 通用控件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#0B1020;box-shadow:var(--sh-glow);}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-2px);color:#04140F;}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-strong);background:transparent;}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(255,61,138,.28);}
.btn-accent:hover{background:#E52A76;transform:translateY(-2px);color:#fff;}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}
.link-more{color:var(--brand-strong);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-tint);color:var(--brand-strong);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-gold{background:rgba(255,197,61,.16);color:#8A6100;}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-soft);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(18,224,181,.35);}

.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.2px;}
.section-title .accent-bar{
  display:inline-block;width:6px;height:26px;border-radius:4px;background:var(--brand);
  vertical-align:-3px;margin-right:12px;
}
.section-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px;}

/* ---------- 页头与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-soft);}
.header-main{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease;}
.site-header.scrolled .header-main{height:60px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#0BA98A);color:#08161A;
  font-weight:800;font-size:19px;box-shadow:0 6px 16px rgba(18,224,181,.32);
}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.2;letter-spacing:.2px;}
.logo-text small{font-size:10px;font-weight:600;letter-spacing:2px;color:var(--text-3);}

.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:460px;min-width:220px;
  height:46px;padding:0 8px 0 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:#FBFCFE;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.22);background:#fff;}
.nav-search i{color:var(--text-3);font-size:15px;}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;padding:0 12px;font-size:14.5px;outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.key-hint{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:#EEF1F7;color:var(--text-3);font-size:11.5px;letter-spacing:.5px;
}
.nav-search .search-submit{
  display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 14px;margin-left:4px;
  border-radius:var(--r-pill);background:var(--ink-900);color:#fff;font-size:13px;font-weight:600;
  transition:background-color .2s ease;
}
.nav-search .search-submit:hover{background:#2A2A40;}

.nav-links{display:flex;align-items:center;gap:4px;flex-shrink:0;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:14.5px;font-weight:600;color:var(--text-2);border-radius:10px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand-strong);background:var(--brand-tint);}
.nav-link.active{color:var(--brand-strong);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto;}
.icon-btn{
  display:none;width:42px;height:42px;border-radius:12px;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:16px;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--brand-tint);border-color:rgba(18,224,181,.4);color:var(--brand-strong);}

.hot-words{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-top:0;padding-bottom:14px;font-size:13px;color:var(--text-3);
  transition:opacity .2s ease,max-height .25s ease,padding .25s ease;
  max-height:60px;overflow:hidden;
}
.site-header.scrolled .hot-words{max-height:0;opacity:0;padding-bottom:0;}
.hot-word{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);
  background:#F1F4F9;color:var(--text-2);font-size:13px;font-weight:600;
  transition:background-color .2s ease,color .2s ease;
}
.hot-word:hover{background:var(--brand-tint);color:var(--brand-strong);}

/* 移动端抽屉 / 搜索层 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,18,28,.52);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;box-shadow:-8px 0 40px rgba(18,18,28,.18);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 14px;
  border-radius:12px;font-size:15px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-link:last-child{border-bottom:0;}
.drawer-link.active{color:var(--brand-strong);background:var(--brand-tint);}
.mobile-search{
  position:fixed;left:0;right:0;top:0;z-index:96;transform:translateY(-105%);
  background:#fff;padding:16px 0 20px;box-shadow:0 12px 30px rgba(18,18,28,.12);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.mobile-search.open{transform:translateY(0);}
.mobile-search .ms-row{display:flex;align-items:center;gap:10px;}
.mobile-search .nav-search{max-width:none;flex:1;}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(115deg,rgba(18,18,28,.94),rgba(18,18,28,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 260px at 84% 12%,rgba(18,224,181,.30),transparent 68%),
    radial-gradient(420px 240px at 6% 96%,rgba(255,61,138,.22),transparent 70%);
}
.page-banner .banner-inner{position:relative;z-index:2;padding:56px 0 52px;}
.banner-top{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.banner-title{font-size:42px;line-height:1.25;font-weight:800;letter-spacing:.4px;}
.banner-sub{margin-top:14px;max-width:760px;font-size:16px;color:rgba(255,255,255,.78);}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-top:22px;font-size:13px;color:rgba(255,255,255,.62);}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.38);}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- 搜索面板 ---------- */
.search-panel{padding-top:56px;padding-bottom:24px;}
.search-card{
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  padding:32px;box-shadow:var(--sh-soft);
}
.search-lg{
  position:relative;display:flex;align-items:center;height:56px;padding:0 8px 0 20px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#FBFCFE;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-lg:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.22);background:#fff;}
.search-lg i{color:var(--text-3);font-size:17px;}
.search-lg input{flex:1;height:100%;border:0;background:transparent;padding:0 14px;font-size:16px;outline:none;}
.search-lg input::placeholder{color:var(--text-3);}
.search-lg .search-submit{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--brand);color:#0B1020;font-size:14.5px;font-weight:700;
  transition:background-color .2s ease,transform .2s ease;
}
.search-lg .search-submit:hover{background:var(--brand-strong);transform:translateY(-1px);}
.search-hint{margin-top:14px;font-size:13.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-chip{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:#F1F4F9;border:1px solid transparent;
  font-size:13.5px;font-weight:600;color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag-chip:hover{background:var(--brand-tint);color:var(--brand-strong);border-color:rgba(18,224,181,.4);transform:translateY(-2px);}
.tag-chip i{font-size:11px;color:var(--brand-strong);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}
.faq-group + .faq-group{margin-top:56px;}
.faq-list{border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);overflow:hidden;box-shadow:var(--sh-soft);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
  min-height:60px;padding:14px 22px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:background-color .2s ease,color .2s ease;
}
.faq-q:hover{background:#FAFBFE;color:var(--brand-strong);}
.faq-item.open .faq-q{color:var(--brand-strong);background:var(--brand-tint);}
.faq-plus{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--brand-tint);transition:transform .28s ease,background-color .28s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-strong);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:11px;height:2px;}
.faq-plus::after{width:2px;height:11px;}
.faq-item.open .faq-plus{background:var(--brand);transform:rotate(135deg);}
.faq-item.open .faq-plus::before,.faq-item.open .faq-plus::after{background:#0B1020;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-a-inner p strong{color:var(--text);}
.faq-a-inner .faq-tips{margin:0 22px 22px;padding:14px 16px;border-radius:12px;background:#F7F9FC;border-left:3px solid var(--brand);}
.faq-a-inner .faq-tips li{font-size:14px;color:var(--text-2);line-height:1.8;display:flex;gap:8px;}
.faq-a-inner .faq-tips li + li{margin-top:6px;}
.faq-a-inner .faq-tips i{color:var(--brand-strong);font-size:12px;margin-top:8px;}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-soft);overflow:hidden;}
.side-cover{width:100%;height:170px;object-fit:cover;}
.side-body{padding:22px;}
.side-body h3{font-size:18px;font-weight:700;}
.side-body p{margin-top:10px;font-size:14px;color:var(--text-2);}
.side-list{margin:16px 0 20px;display:flex;flex-direction:column;gap:10px;}
.side-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7;}
.side-list i{color:var(--brand-strong);margin-top:5px;font-size:12px;}
.stat-card{padding:22px;}
.stat-card h3{font-size:16px;font-weight:700;margin-bottom:16px;}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line);}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-label{font-size:13.5px;color:var(--text-2);}
.stat-value{font-size:20px;font-weight:700;color:var(--brand-strong);font-variant-numeric:tabular-nums;}
.stat-value small{font-size:12px;font-weight:600;color:var(--text-3);margin-left:2px;}

/* ---------- 处理流程 ---------- */
.flow-section{background:linear-gradient(180deg,#FFFFFF, #F7F9FD);}
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-soft);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:rgba(18,224,181,.35);}
.step-num{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand-strong);font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:700;}
.step-card p{margin-top:10px;font-size:14px;color:var(--text-2);}
.step-line{position:absolute;right:-14px;top:46px;color:var(--line);font-size:18px;}
@media (max-width:1024px){.step-line{display:none;}}

/* ---------- CTA 表单 ---------- */
.cta-section{padding-bottom:96px;}
.cta-wrap{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(130deg,var(--ink-900),var(--ink-800) 62%,#242438);
  color:#fff;
}
.cta-wrap::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 240px at 88% 8%,rgba(18,224,181,.26),transparent 70%),
    radial-gradient(420px 220px at 4% 100%,rgba(255,61,138,.20),transparent 72%);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:48px;padding:52px;}
.cta-left h2{font-size:30px;font-weight:700;line-height:1.35;}
.cta-left p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.74);}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.86);}
.cta-points i{color:var(--brand);margin-top:6px;font-size:13px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(255,255,255,.82);
}
.trust-chip i{color:var(--brand);font-size:12px;}

.form-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.24);color:var(--text);}
.form-card h3{font-size:19px;font-weight:700;}
.form-card .form-note{margin-top:8px;font-size:13px;color:var(--text-3);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field label .req{color:var(--brand-strong);margin-left:3px;}
.input,.select,.textarea{
  width:100%;min-height:44px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#FBFCFE;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B91A7' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;}
.textarea{min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,224,181,.2);background:#fff;}
.input.error,.textarea.error{border-color:var(--error);}
.field-error{font-size:12.5px;color:var(--error);display:none;}
.field-error.show{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:var(--text-2);}
.check-row input{width:17px;height:17px;accent-color:var(--brand);margin-top:4px;flex-shrink:0;}
.check-row a{color:var(--brand-strong);text-decoration:underline;}
.form-actions{margin-top:20px;}
.form-msg{margin-top:14px;border-radius:12px;padding:12px 14px;font-size:13.5px;display:none;}
.form-msg.show{display:block;}
.form-msg.ok{background:var(--brand-tint);color:#0A6B57;border:1px solid rgba(18,224,181,.4);}
.form-msg.err{background:#FDECEC;color:#A32226;border:1px solid rgba(229,72,77,.35);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-brand .logo-text{color:#fff;}
.foot-brand .logo-text small{color:rgba(255,255,255,.45);}
.foot-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-links{display:flex;flex-direction:column;gap:12px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.66);}
.foot-links a:hover{color:var(--brand);}
.foot-contact{display:flex;flex-direction:column;gap:14px;}
.foot-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.66);}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom a{color:rgba(255,255,255,.72);}
.foot-bottom a:hover{color:var(--brand);}

.back-to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;width:46px;height:46px;border-radius:50%;
  background:var(--ink-900);color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 12px 30px rgba(18,18,28,.28);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background-color .25s ease;
}
.back-to-top.show{opacity:1;visibility:visible;}
.back-to-top:hover{background:var(--brand-strong);transform:translateY(-3px);}

.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(18,18,28,.1);
  transform:translateY(110%);transition:transform .3s ease;
}
.mobile-cta-bar.show{transform:translateY(0);}
.mobile-cta-bar .btn{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-link{padding:0 9px;font-size:14px;}
  .logo-text{font-size:15px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .header-actions .btn{display:none;}
  .icon-btn{display:grid;}
  .header-main{height:64px;}
  .hot-words{display:none;}
  .section{padding:64px 0;}
  .banner-title{font-size:34px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-col > *{flex:1 1 320px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-grid{grid-template-columns:1fr;gap:32px;padding:40px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-title{font-size:23px;}
  .banner-title{font-size:28px;}
  .banner-sub{font-size:14.5px;}
  .page-banner .banner-inner{padding:40px 0 36px;}
  .search-card{padding:20px;border-radius:18px;}
  .search-lg{height:50px;padding-left:16px;}
  .search-lg .search-submit{padding:0 16px;height:36px;font-size:13.5px;}
  .faq-q{font-size:15.5px;padding:14px 16px;}
  .faq-a-inner p{padding:0 16px 18px;}
  .faq-a-inner .faq-tips{margin:0 16px 18px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-wrap{border-radius:18px;}
  .cta-grid{padding:28px 20px;}
  .cta-left h2{font-size:23px;}
  .form-card{padding:22px 18px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-brand{grid-column:1 / -1;}
  .foot-brand p{max-width:none;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding-bottom:80px;}
  .mobile-cta-bar{display:block;}
  .back-to-top{right:16px;bottom:86px;}
}
@media (max-width:520px){
  .flow-grid{grid-template-columns:1fr;}
  .side-col > *{flex:1 1 100%;}
  .banner-title{font-size:25px;}
  .foot-grid{grid-template-columns:1fr;}
  .stat-row{flex-direction:row;}
}