/* roulang page: index */
:root{
  --c-primary:#0FA88E;
  --c-primary-deep:#0B7F86;
  --g-brand:linear-gradient(135deg,#17C3A2 0%,#0B7F86 100%);
  --g-brand-rev:linear-gradient(135deg,#0B7F86 0%,#17C3A2 100%);
  --c-accent:#FF9A3C;
  --c-accent-soft:#FFF1E2;
  --c-ink:#0E2A2E;
  --c-text:#22343A;
  --c-muted:#5F757A;
  --c-line:#E1EDEA;
  --c-bg:#F5FAF8;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EAF6F3;
  --c-dark:#0E2A2E;
  --c-dark-text:#E8F5F2;
  --c-success:#17A673;
  --c-error:#E4572E;
  --c-disabled:#B9C9C7;
  --r-card:22px;
  --r-lg:28px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(14,42,46,.06);
  --sh-md:0 14px 30px -14px rgba(14,42,46,.20);
  --sh-lg:0 30px 64px -26px rgba(14,42,46,.30);
  --t:180ms ease-out;
  --font-cn:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SF Mono","Inter",tabular-nums,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:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;text-underline-offset:3px;transition:color var(--t);}
a:hover{color:var(--c-primary-deep);text-decoration:underline;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:var(--c-surface-alt);}
.section-dark{background:var(--c-dark);color:var(--c-dark-text);}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center;}
.section-head.left{margin-left:0;text-align:left;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--c-primary-deep);
  background:var(--c-surface-alt);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
h1{font-size:40px;line-height:1.15;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
h2{font-size:30px;line-height:1.28;font-weight:700;color:var(--c-ink);letter-spacing:-.005em;}
h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-ink);}
.sub{font-size:16px;line-height:1.8;color:var(--c-muted);margin-top:14px;}
.title-bar{display:flex;align-items:center;gap:10px;}
.title-bar::before{content:"";width:4px;height:20px;border-radius:999px;background:var(--g-brand);flex:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:13px 26px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:hover{background:var(--g-brand-rev);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-lg);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border:1px solid var(--c-line);box-shadow:var(--sh-sm);}
.btn-outline:hover{color:var(--c-primary-deep);text-decoration:none;border-color:rgba(15,168,142,.5);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-ghost:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.1);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{background:var(--c-disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);font-size:12px;font-weight:600;padding:5px 12px;}
.badge-member{background:var(--c-surface-alt);color:var(--c-primary-deep);}
.badge-free{background:#F0F2F1;color:var(--c-muted);}
.badge-rec{background:var(--c-accent-soft);color:#B9631A;}
.badge-num{
  display:inline-flex;align-items:center;gap:4px;background:var(--c-surface-alt);
  color:var(--c-ink);font-family:var(--font-num);font-size:13px;font-weight:600;
  border-radius:var(--r-pill);padding:4px 12px;
}
.badge-icon{
  width:36px;height:36px;border-radius:50%;background:var(--g-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;flex:none;
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.3);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 24px 26px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
  min-height:76px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-text);
  padding:6px 2px;transition:color var(--t);
}
.nav-link:hover{color:var(--c-primary-deep);text-decoration:none;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:999px;
  background:var(--g-brand);transform:scaleX(0);transform-origin:center;transition:transform var(--t);
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary-deep);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;
}
.logo:hover{text-decoration:none;color:var(--c-ink);}
.logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--g-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  box-shadow:var(--sh-sm);
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:12px 24px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 0;font-size:16px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a:hover{text-decoration:none;color:var(--c-primary-deep);}
.mobile-drawer .btn{width:100%;margin-top:18px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  background:
    radial-gradient(760px 420px at 88% 8%,rgba(23,195,162,.16),transparent 62%),
    radial-gradient(560px 380px at 4% 96%,rgba(255,154,60,.10),transparent 60%),
    var(--c-bg);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero-lead{font-size:17px;line-height:1.85;color:var(--c-muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-points span{
  font-size:13px;font-weight:500;color:var(--c-muted);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:7px 14px;
}
.hero-visual{position:relative;}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);
  border:1px solid var(--c-line);background:var(--c-surface-alt);
}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-media-veil{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(23,195,162,.12),rgba(11,127,134,.12));
  pointer-events:none;
}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:10px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);
  box-shadow:var(--sh-md);padding:12px 16px;
}
.float-badge-a{left:-18px;top:34px;}
.float-badge-b{right:-14px;bottom:38px;}
.fb-num{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--c-ink);line-height:1;}
.fb-txt{font-size:12px;font-weight:500;color:var(--c-muted);line-height:1.4;max-width:96px;}

/* ---------- 数据徽章条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--c-surface-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;
}
.stat-item{padding:28px 26px;text-align:center;border-left:1px solid rgba(14,42,46,.08);}
.stat-item:first-child{border-left:0;}
.stat-num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-ink);line-height:1.1;}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-desc{font-size:13px;font-weight:500;color:var(--c-muted);margin-top:8px;}

/* ---------- 权益对比表 ---------- */
.compare{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);
}
.compare-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;}
.compare-head{background:var(--c-surface-alt);border-bottom:1px solid var(--c-line);}
.compare-tier{
  padding:22px 18px;text-align:center;font-size:16px;font-weight:600;color:var(--c-ink);
  border-left:1px solid var(--c-line);display:flex;flex-direction:column;align-items:center;gap:8px;
}
.compare-corner{
  padding:22px 24px;font-size:15px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;
}
.compare-tier.is-featured{
  background:var(--g-brand);color:#fff;position:relative;
}
.compare-tier.is-featured .tier-flag{
  background:var(--c-accent);color:#fff;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;padding:3px 12px;
}
.compare-row{border-bottom:1px solid var(--c-line);transition:background var(--t);}
.compare-row:hover{background:var(--c-surface-alt);}
.compare-row:last-child{border-bottom:0;}
.compare-name{padding:20px 24px;}
.compare-name strong{display:block;font-size:15px;font-weight:600;color:var(--c-ink);}
.compare-name span{display:block;font-size:13px;color:var(--c-muted);margin-top:4px;line-height:1.6;}
.compare-mark{
  border-left:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;padding:20px 12px;
}
.check{
  width:26px;height:26px;border-radius:50%;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  font-size:14px;line-height:1;flex:none;
}
.cross{color:var(--c-disabled);font-size:18px;line-height:1;}
.compare-mobile{display:none;gap:20px;}
.tier-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);
}
.tier-card.is-featured{border:1px solid rgba(15,168,142,.45);box-shadow:var(--sh-md);}
.tier-card h3{margin-bottom:6px;}
.tier-card ul{margin-top:16px;display:grid;gap:12px;}
.tier-card li{display:flex;gap:10px;font-size:14px;color:var(--c-text);}
.tier-card li .check{width:20px;height:20px;font-size:12px;margin-top:2px;}
.tier-card li .cross{margin-top:2px;}

/* ---------- 等级卡 ---------- */
.plan-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start;margin-top:12px;
}
.plan{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 28px 32px;box-shadow:var(--sh-sm);position:relative;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.plan.is-featured{
  transform:translateY(-12px);
  border:2px solid transparent;
  background:
    linear-gradient(var(--c-surface),var(--c-surface)) padding-box,
    var(--g-brand) border-box;
  box-shadow:var(--sh-lg);
}
.plan.is-featured:hover{transform:translateY(-16px);}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
  border-radius:var(--r-pill);padding:5px 16px;letter-spacing:.02em;
}
.plan h3{font-size:20px;display:flex;align-items:center;gap:10px;}
.plan-price{margin:18px 0 6px;display:flex;align-items:flex-end;gap:6px;}
.plan-price .num{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--c-ink);line-height:1;}
.plan-price .unit{font-size:13px;color:var(--c-muted);padding-bottom:4px;}
.plan-note{font-size:13px;color:var(--c-muted);}
.plan ul{margin:22px 0 26px;display:grid;gap:12px;}
.plan li{display:flex;gap:10px;font-size:14.5px;line-height:1.65;color:var(--c-text);}
.plan li .check{width:19px;height:19px;font-size:12px;margin-top:3px;}
.plan .btn{width:100%;}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:26px;}
.preview-side{display:grid;grid-template-rows:1fr 1fr;gap:26px;}
.preview-card{position:relative;display:flex;flex-direction:column;}
.preview-card .card-media{aspect-ratio:16/9;}
.preview-card.hero-card .card-media{aspect-ratio:16/10;}
.preview-card .lock-strip{
  position:absolute;top:0;left:0;right:0;height:4px;background:var(--g-brand);z-index:2;
}
.preview-card .badge-member{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.94);box-shadow:var(--sh-sm);}
.preview-card .card-body{flex:1;display:flex;flex-direction:column;}
.preview-card h3{margin-bottom:10px;}
.preview-card p{font-size:14px;color:var(--c-muted);line-height:1.7;}
.preview-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.lock-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary-deep);background:var(--c-surface-alt);border-radius:var(--r-pill);
  padding:9px 16px;transition:background var(--t),transform var(--t);
}
.lock-btn:hover{text-decoration:none;background:#DCEFEA;transform:translateY(-2px);}

/* ---------- 资讯 / 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:26px;}
.news-feature{display:flex;flex-direction:column;}
.news-feature .card-media{aspect-ratio:16/9;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-muted);}
.news-meta .dot{width:1px;height:12px;background:var(--c-line);}
.news-meta .time{font-family:var(--font-num);}
.news-list{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px 24px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;justify-content:center;
}
.news-list li{border-bottom:1px solid var(--c-line);}
.news-list li:last-child{border-bottom:0;}
.news-list a{display:block;padding:16px 0;color:var(--c-text);}
.news-list a:hover{text-decoration:none;}
.news-list a:hover .news-title{color:var(--c-primary-deep);}
.news-title{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.news-sub{margin-top:6px;display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--c-muted);}
.news-summary{
  font-size:14px;line-height:1.75;color:var(--c-muted);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--c-muted);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--c-surface-alt);color:var(--c-primary-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;
}
.empty-state p{margin:6px 0 18px;font-size:15px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);
  margin-bottom:14px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:rgba(15,168,142,.35);box-shadow:var(--sh-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;gap:14px;position:relative;transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:3px;height:18px;border-radius:999px;background:var(--c-line);
  flex:none;transition:background var(--t);
}
.faq-item[open] summary::before{background:var(--c-primary);}
.faq-item summary::after{
  content:"+";margin-left:auto;font-family:var(--font-num);font-size:20px;color:var(--c-primary);
  transition:transform var(--t);
}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{color:var(--c-primary-deep);}
.faq-body{padding:0 24px 22px 41px;font-size:15px;line-height:1.85;color:var(--c-muted);}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  background:var(--c-dark);color:var(--c-dark-text);
  border-radius:var(--r-lg);padding:56px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-banner::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;
  background:radial-gradient(circle,rgba(23,195,162,.34),transparent 66%);
  pointer-events:none;
}
.cta-banner h2{color:#fff;}
.cta-banner p{color:#B9D6D1;margin-top:14px;font-size:15.5px;line-height:1.8;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-form{
  position:relative;z-index:2;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:26px;
}
.cta-form h3{color:#fff;font-size:17px;margin-bottom:6px;}
.cta-form .hint{font-size:13px;color:#9FC3BD;margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:#C8DEDA;margin-bottom:7px;}
.field input,.field select{
  width:100%;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-text);
  padding:13px 16px;font-size:15px;transition:border-color var(--t),box-shadow var(--t);
  appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,168,142,.14);
}
.field input.is-error{border-color:var(--c-error);}
.field .err{font-size:13px;color:#FFB49A;margin-top:6px;display:none;}
.field.has-error .err{display:block;}
.form-actions{margin-top:20px;}
.form-actions .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#C8DEDA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:46px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:#9BB8B3;margin-top:16px;max-width:300px;}
.footer-title{font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.05em;margin-bottom:16px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{color:#C8DEDA;font-size:14px;}
.footer-links a:hover{color:#5FDCC4;text-decoration:none;}
.footer-contact{font-size:14px;line-height:2;color:#9BB8B3;}
.footer-qr{
  width:88px;height:88px;border-radius:18px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:#9BB8B3;text-align:center;line-height:1.4;padding:8px;margin-top:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8FAEA9;
}
.footer-bottom a{color:#8FAEA9;}
.footer-bottom a:hover{color:#5FDCC4;text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-lead{max-width:100%;}
  .hero-visual{max-width:640px;}
  .news-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;}
  .preview-side{grid-template-rows:auto auto;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan.is-featured{transform:none;}
  .plan.is-featured:hover{transform:translateY(-4px);}
  .cta-banner{grid-template-columns:1fr;padding:44px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  h1{font-size:28px;line-height:1.25;}
  h2{font-size:23px;line-height:1.35;}
  .nav-left,.nav-right{display:none;}
  .header-inner{display:flex;justify-content:space-between;align-items:center;min-height:66px;}
  .nav-toggle{display:inline-flex;}
  .logo{font-size:17px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;}
  .hero{padding:48px 0 60px;}
  .hero-actions .btn{flex:1 1 auto;}
  .float-badge{padding:10px 13px;}
  .float-badge-a{left:-6px;top:16px;}
  .float-badge-b{right:-6px;bottom:20px;}
  .fb-num{font-size:18px;}
  .fb-txt{max-width:80px;font-size:11px;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .stat-item{border-left:0;border-top:1px solid rgba(14,42,46,.08);padding:22px 16px;}
  .stat-item:nth-child(odd){border-right:1px solid rgba(14,42,46,.08);}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0;}
  .compare{display:none;}
  .compare-mobile{display:grid;}
  .cta-banner{padding:34px 22px;border-radius:22px;}
  .faq-item summary{padding:17px 18px;font-size:15px;}
  .faq-body{padding:0 18px 20px 35px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  h1{font-size:26px;}
  .card-body{padding:18px 18px 22px;}
  .plan{padding:24px 20px 26px;}
  .btn{padding:12px 20px;font-size:14px;}
  .hero-points span{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .card:hover,.btn:hover,.plan:hover,.lock-btn:hover{transform:none !important;}
}

/* roulang page: article */
:root{
  --c-primary:#0FA88E;
  --c-primary-deep:#0B7F86;
  --g-brand:linear-gradient(135deg,#17C3A2 0%,#0B7F86 100%);
  --c-accent:#FF9A3C;
  --c-accent-soft:#FFF1E2;
  --c-ink:#0E2A2E;
  --c-text:#22343A;
  --c-muted:#5F757A;
  --c-line:#E1EDEA;
  --c-bg:#F5FAF8;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EAF6F3;
  --c-dark-section:#0E2A2E;
  --c-dark-text:#E8F5F2;
  --c-success:#17A673;
  --c-danger:#E4572E;
  --c-disabled:#B9C9C7;
  --r-card:22px;
  --r-big:28px;
  --r-input:14px;
  --r-pill:999px;
  --r-img:16px;
  --sh-sm:0 2px 8px rgba(14,42,46,.06);
  --sh-md:0 14px 30px -14px rgba(14,42,46,.20);
  --sh-lg:0 30px 64px -26px rgba(14,42,46,.30);
  --font-cn:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SF Mono","Inter",tabular-nums,sans-serif;
  --dur:180ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:28px;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) ease-out;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-0.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  height:76px;
}
.nav-left{display:flex;align-items:center;gap:26px;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:26px;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--g-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) ease-out;
}
.nav-link:hover{color:var(--c-primary-deep);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary-deep);font-weight:600;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;
}
.logo:hover{color:var(--c-primary-deep);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--g-brand);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-sm);flex:none;
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);
  padding:14px 24px 22px;
}
.mobile-drawer.open{display:block;animation:drawerDown var(--dur) ease-out;}
@keyframes drawerDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-drawer a{
  display:block;padding:13px 0;font-size:15px;font-weight:500;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a:hover{color:var(--c-primary-deep);}
.mobile-drawer .btn{margin-top:16px;width:100%;justify-content:center;}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,background var(--dur) ease-out,color var(--dur) ease-out,border-color var(--dur) ease-out;
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-lg);background:linear-gradient(135deg,#0B7F86 0%,#17C3A2 100%);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary-deep);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary-deep);border-color:rgba(15,168,142,.45);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-outline-light:hover{color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{filter:saturate(.4);pointer-events:none;opacity:.75;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:20px;
}
.badge-brand{background:var(--c-surface-alt);color:var(--c-primary-deep);}
.badge-accent{background:var(--c-accent-soft);color:#B45F0A;}
.badge-dark{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- article hero ---------- */
.article-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:26px 0 44px;
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,162,.20) 0%,rgba(23,195,162,0) 70%);pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--c-muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary-deep);}
.breadcrumb .sep{color:#AEC4C1;}
.breadcrumb .current{color:var(--c-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw;}
.article-title{
  font-size:40px;line-height:48px;font-weight:700;letter-spacing:-0.01em;
  max-width:900px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;font-size:13px;font-weight:500;color:var(--c-muted);
}
.article-meta .divider{width:1px;height:14px;background:var(--c-line);display:inline-block;}
.article-meta .num{font-family:var(--font-num);letter-spacing:.02em;color:var(--c-text);}
.article-cover{
  margin-top:32px;border-radius:var(--r-big);overflow:hidden;
  box-shadow:var(--sh-lg);max-width:920px;background:var(--c-surface-alt);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- layout ---------- */
.page-wrap{padding:52px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 1fr;
  gap:44px;
  align-items:start;
}
.article-main{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-big);
  box-shadow:var(--sh-sm);
  padding:44px 48px 48px;
}
.article-content{font-size:17px;line-height:32px;color:var(--c-text);word-wrap:break-word;}
.article-content > p:first-of-type{font-size:17px;color:var(--c-text);}
.article-content h2{
  font-size:26px;line-height:38px;font-weight:700;margin:40px 0 16px;position:relative;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:20px;border-radius:4px;background:var(--g-brand);
}
.article-content h3{font-size:20px;line-height:28px;font-weight:600;margin:28px 0 12px;}
.article-content h4{font-size:17px;line-height:26px;font-weight:600;margin:22px 0 10px;}
.article-content p{margin:0 0 18px;}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px;}
.article-content li{margin-bottom:8px;line-height:1.9;}
.article-content ul li{list-style:disc;}
.article-content ol li{list-style:decimal;}
.article-content blockquote{
  margin:24px 0;padding:16px 22px;background:var(--c-surface-alt);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-input) var(--r-input) 0;color:var(--c-text);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-img);margin:24px auto;width:auto;max-width:100%;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;line-height:20px;color:var(--c-muted);text-align:center;margin-top:10px;}
.article-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--c-primary-deep);}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:26px;
  border-radius:var(--r-input);overflow:hidden;
}
.article-content th{background:var(--c-surface-alt);color:var(--c-ink);font-weight:600;}
.article-content th,.article-content td{border:1px solid var(--c-line);padding:11px 14px;text-align:left;}
.article-content tbody tr:nth-child(even){background:#FAFDFC;}
.article-content tbody tr:hover{background:var(--c-surface-alt);}
.article-content code{
  font-family:var(--font-num);font-size:14px;background:var(--c-surface-alt);
  color:var(--c-primary-deep);border-radius:6px;padding:2px 6px;
}
.article-content pre{
  background:var(--c-ink);color:var(--c-dark-text);border-radius:var(--r-input);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-content pre code{background:none;color:inherit;padding:0;font-size:14px;}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:104px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:24px;
}
.side-card h3{font-size:16px;line-height:24px;font-weight:600;margin-bottom:16px;padding-left:14px;position:relative;}
.side-card h3::before{content:"";position:absolute;left:0;top:3px;width:8px;height:16px;border-radius:4px;background:var(--g-brand);}
.side-list{list-style:none;}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:24px;color:var(--c-muted);padding:9px 0;border-bottom:1px dashed var(--c-line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list svg{width:16px;height:16px;flex:none;margin-top:4px;stroke:var(--c-primary);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.side-cta{background:var(--g-brand);color:#fff;border:0;}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:rgba(255,255,255,.85);}
.side-cta p{font-size:14px;line-height:24px;color:rgba(255,255,255,.9);margin-bottom:18px;}
.side-cta .btn{width:100%;background:#fff;color:var(--c-primary-deep);box-shadow:none;}
.side-cta .btn:hover{background:#F4FFFC;color:var(--c-primary-deep);}

/* ---------- article footer ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line);
}
.article-tags .label{font-size:13px;font-weight:600;color:var(--c-muted);}

.section{padding:0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:30px;line-height:38px;font-weight:700;padding-left:16px;position:relative;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;width:8px;height:24px;border-radius:4px;background:var(--g-brand);}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-muted);}

.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.next-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:24px;transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,border-color var(--dur) ease-out;
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.30);}
.next-card .kicker{font-size:12px;font-weight:600;color:var(--c-primary-deep);letter-spacing:.04em;}
.next-card strong{display:block;font-size:18px;line-height:28px;font-weight:600;color:var(--c-ink);margin:10px 0 8px;}
.next-card span{font-size:14px;line-height:24px;color:var(--c-muted);display:block;}

.rec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:26px;}
.rec-card{
  display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:18px;transition:transform var(--dur) ease-out,box-shadow var(--dur) ease-out,border-color var(--dur) ease-out;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.30);}
.rec-card .thumb{width:112px;height:84px;flex:none;border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-alt);}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;}
.rec-card h3{font-size:16px;line-height:26px;font-weight:600;color:var(--c-ink);margin-bottom:6px;}
.rec-card p{font-size:13px;line-height:22px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .meta{font-family:var(--font-num);font-size:12px;color:var(--c-muted);margin-top:8px;display:block;}

.cta-band{
  position:relative;overflow:hidden;background:var(--c-dark-section);color:var(--c-dark-text);
  border-radius:var(--r-big);padding:52px 48px;box-shadow:var(--sh-lg);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,162,.55) 0%,rgba(23,195,162,0) 70%);
}
.cta-band h2{color:#fff;font-size:28px;line-height:38px;font-weight:700;}
.cta-band p{margin-top:12px;font-size:15px;line-height:26px;color:#C8DEDA;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

.empty-state{
  text-align:center;padding:64px 24px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-big);box-shadow:var(--sh-sm);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;background:var(--c-surface-alt);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .icon svg{width:26px;height:26px;stroke:var(--c-primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:22px;line-height:32px;font-weight:700;}
.empty-state p{margin:12px 0 24px;color:var(--c-muted);font-size:15px;line-height:26px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark-section);color:#C8DEDA;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:26px;color:#9FBDB8;max-width:340px;}
.footer-title{color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:#C8DEDA;font-size:14px;line-height:20px;}
.footer-links a:hover{color:var(--c-primary);}
.footer-contact{font-size:14px;line-height:28px;color:#9FBDB8;}
.footer-qr{
  width:88px;height:88px;border-radius:14px;margin-top:16px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:18px;color:#C8DEDA;
}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;line-height:20px;color:#8AA9A4;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 280px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-inner{grid-template-columns:1fr auto 1fr;height:68px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;grid-column:3;justify-self:end;}
  .article-hero{padding:20px 0 34px;}
  .article-title{font-size:28px;line-height:36px;}
  .breadcrumb .current{max-width:70vw;}
  .page-wrap{padding:34px 0 56px;}
  .article-main{padding:26px 20px 30px;border-radius:var(--r-card);}
  .article-content{font-size:16px;line-height:30px;}
  .article-content h2{font-size:22px;line-height:32px;margin-top:32px;}
  .article-content h3{font-size:18px;line-height:28px;}
  .next-grid,.rec-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:24px;line-height:34px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:22px;line-height:32px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .site-footer{padding-top:48px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:520px){
  .article-title{font-size:24px;line-height:33px;-webkit-line-clamp:3;}
  .rec-card{flex-direction:column;}
  .rec-card .thumb{width:100%;height:150px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .next-card:hover,.rec-card:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FA88E;
  --c-primary-deep:#0B7F86;
  --g-brand:linear-gradient(135deg,#17C3A2 0%,#0B7F86 100%);
  --c-accent:#FF9A3C;
  --c-accent-soft:#FFF1E2;
  --c-ink:#0E2A2E;
  --c-text:#22343A;
  --c-muted:#5F757A;
  --c-line:#E1EDEA;
  --c-bg:#F5FAF8;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EAF6F3;
  --c-dark:#0E2A2E;
  --c-dark-text:#E8F5F2;
  --ok:#17A673;
  --warn:#FF9A3C;
  --err:#E4572E;
  --disabled:#B9C9C7;
  --r-card:22px;
  --r-lg:28px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(14,42,46,.06);
  --sh-md:0 14px 30px -14px rgba(14,42,46,.20);
  --sh-lg:0 30px 64px -26px rgba(14,42,46,.30);
  --t:180ms ease-out;
  --font-cn:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SF Mono","Inter","Menlo",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none}
input,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.nav-left{display:flex;align-items:center;gap:28px;justify-content:flex-start}
.nav-right{display:flex;align-items:center;gap:20px;justify-content:flex-end}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  padding:8px 2px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);text-decoration:none}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  border-radius:var(--r-pill);background:var(--g-brand);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);
  white-space:nowrap;
}
.logo:hover{text-decoration:none;color:var(--c-ink)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--g-brand);box-shadow:var(--sh-sm);flex:none;
}
.logo-mark svg{
  width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.burger{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;
}
.burger span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
  position:relative;
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer{
  display:none;
  position:fixed;left:0;right:0;top:76px;bottom:0;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  padding:20px 24px 40px;
  overflow-y:auto;
  z-index:55;
}
.drawer.open{display:block}
.drawer a{
  display:block;
  padding:15px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.drawer a:hover{color:var(--c-primary);text-decoration:none}
.drawer a.active{color:var(--c-primary)}
.drawer .drawer-cta{
  display:flex;justify-content:center;margin-top:22px;
  border-bottom:0;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;
  padding:13px 26px;
  font-size:15px;
  line-height:1.2;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:var(--g-brand);
  color:#fff;
  box-shadow:var(--sh-md);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-lg);
  background:linear-gradient(135deg,#0B7F86 0%,#17C3A2 100%);
  color:#fff;text-decoration:none;
}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{
  background:var(--c-surface);
  color:var(--c-primary);
  border-color:var(--c-line);
  box-shadow:var(--sh-sm);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--c-primary);
  color:var(--c-primary-deep);
  box-shadow:var(--sh-md);
  text-decoration:none;
}
.btn-outline-light{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);
}
.btn-outline-light:hover{background:rgba(255,255,255,.10);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  line-height:1.4;
}
.badge-soft{background:var(--c-surface-alt);color:var(--c-primary-deep)}
.badge-accent{background:var(--c-accent-soft);color:#B4611A}
.badge-solid{background:var(--g-brand);color:#fff}
.icon-badge{
  width:36px;height:36px;border-radius:50%;
  background:var(--g-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;flex:none;
  box-shadow:var(--sh-sm);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-accent-soft);
  color:#B4611A;
  font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:var(--r-pill);
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);
}

/* ---------- Breadcrumb ---------- */
.crumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--c-muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#B9C9C7}
.crumb .current{color:var(--c-ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:40px 0 84px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;top:-160px;right:-120px;width:620px;height:620px;
  background:radial-gradient(circle at center,rgba(23,195,162,.22),rgba(23,195,162,0) 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  position:relative;
}
.hero h1{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-ink);
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--c-muted);
  max-width:560px;
  margin-bottom:26px;
}
.anchor-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.anchor-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;
  color:var(--c-primary-deep);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  padding:8px 15px;border-radius:var(--r-pill);
  box-shadow:var(--sh-sm);
  transition:transform var(--t),border-color var(--t),color var(--t);
}
.anchor-tag:hover{transform:translateY(-2px);border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}
.anchor-tag::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-lg);
  aspect-ratio:16/10;
  background:var(--c-surface-alt);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(23,195,162,.26),rgba(11,127,134,.10) 60%,rgba(14,42,46,.28));
}
.float-badge{
  position:absolute;
  background:rgba(255,255,255,.96);
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:12px 16px;
  box-shadow:var(--sh-md);
  z-index:2;
}
.float-badge b{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  color:var(--c-ink);
  line-height:1.2;
}
.float-badge span{font-size:12px;color:var(--c-muted);font-weight:500}
.float-badge.fb-1{left:-18px;bottom:28px}
.float-badge.fb-2{right:-14px;top:26px}

/* ---------- Sections ---------- */
.section{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(23px,2.4vw,30px);
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-ink);
  padding-left:14px;
  position:relative;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:8px;
  border-radius:4px;background:var(--g-brand);
}
.section-head p{color:var(--c-muted);font-size:16px;padding-left:14px}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--c-surface-alt);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.stat-cell{
  padding:26px 24px;
  border-right:1px solid rgba(15,168,142,.16);
}
.stat-cell:last-child{border-right:0}
.stat-cell b{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  line-height:1.15;
  color:var(--c-ink);
  letter-spacing:-.02em;
}
.stat-cell b em{font-style:normal;font-size:15px;color:var(--c-muted);margin-left:4px;font-family:var(--font-cn)}
.stat-cell p{font-size:13px;color:var(--c-muted);margin-top:6px;font-weight:500}

/* ---------- Timeline ---------- */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.tl-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.35)}
.tl-step{
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  color:var(--c-primary-deep);
  background:var(--c-surface-alt);
  border-radius:var(--r-pill);
  padding:4px 12px;
  display:inline-block;
  margin-bottom:14px;
}
.tl-item h3{font-size:17px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--c-muted);line-height:1.75}

/* ---------- Split layout (left narrow / right wide) ---------- */
.split{
  display:grid;
  grid-template-columns:296px 1fr;
  gap:34px;
  align-items:start;
}
.toc-card{
  position:sticky;
  top:104px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:24px 22px;
}
.toc-card h2{
  font-size:14px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.02em;
  padding-bottom:14px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:12px;
}
.toc-list li{border-bottom:1px dashed var(--c-line)}
.toc-list li:last-child{border-bottom:0}
.toc-list a{
  display:flex;gap:10px;align-items:baseline;
  padding:11px 0;
  font-size:14px;
  color:var(--c-text);
  font-weight:500;
}
.toc-list a:hover{color:var(--c-primary);text-decoration:none}
.toc-list .idx{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--c-primary);
  font-weight:700;
}
.toc-note{
  margin-top:18px;
  background:var(--c-surface-alt);
  border-radius:var(--r-sm);
  padding:14px 16px;
  font-size:13px;
  color:var(--c-muted);
  line-height:1.7;
}
.toc-note strong{color:var(--c-primary-deep);display:block;margin-bottom:4px;font-size:13px}

.topic-list{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.topic-item{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:26px;
  padding:28px 28px;
  border-bottom:1px solid var(--c-line);
  transition:background var(--t);
}
.topic-item:last-child{border-bottom:0}
.topic-item:hover{background:var(--c-surface-alt)}
.topic-media{
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--c-surface-alt);
  position:relative;
}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.topic-item:hover .topic-media img{transform:scale(1.04)}
.topic-body h3{
  font-size:20px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:10px;
  line-height:1.45;
}
.topic-body > p{font-size:15px;color:var(--c-muted);margin-bottom:14px}
.topic-points li{
  position:relative;
  padding-left:24px;
  font-size:14px;
  color:var(--c-text);
  margin-bottom:8px;
  line-height:1.7;
}
.topic-points li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--c-surface-alt);
  border:1px solid var(--c-primary);
}
.topic-points li::after{
  content:"";position:absolute;left:4px;top:13px;width:4px;height:4px;border-radius:50%;background:var(--c-primary);
}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- Ticket list ---------- */
.ticket-list{display:grid;gap:18px}
.ticket{
  position:relative;
  display:grid;
  grid-template-columns:150px 1fr auto;
  gap:24px;
  align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px 28px 24px 32px;
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.ticket::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:0 4px 4px 0;
  background:var(--g-brand);
}
.ticket:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.30)}
.ticket-state{
  font-size:14px;font-weight:700;color:var(--c-ink);
}
.ticket-state span{
  display:block;font-size:12px;font-weight:600;margin-top:6px;
}
.ticket-state .st-ok{color:var(--ok)}
.ticket-state .st-warn{color:var(--warn)}
.ticket-state .st-err{color:var(--err)}
.ticket-desc{font-size:14px;color:var(--c-muted);line-height:1.75}
.ticket-desc b{color:var(--c-text);font-weight:600}
.ticket-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  margin-bottom:14px;
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(15,168,142,.32);box-shadow:var(--sh-md)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 52px 20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  position:relative;
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:26px;
  width:10px;height:10px;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform var(--t);
}
.faq-item[open] summary::after{transform:rotate(-135deg);top:30px}
.faq-item[open]{border-left:3px solid var(--c-primary)}
.faq-item[open] summary{font-weight:700}
.faq-body{
  padding:0 24px 22px 22px;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.85;
}

/* ---------- Cross links ---------- */
.cross-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
}
.cross-card{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 28px;
  box-shadow:var(--sh-sm);
  color:var(--c-text);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cross-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-md);
  border-color:rgba(15,168,142,.35);
  text-decoration:none;
  color:var(--c-text);
}
.cross-card h3{font-size:20px;font-weight:600;color:var(--c-ink);margin-bottom:10px}
.cross-card p{font-size:14px;color:var(--c-muted)}
.cross-card .go{
  font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;
}
.cross-card .go::after{content:"›";font-size:18px;line-height:1}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--c-dark);
  border-radius:var(--r-lg);
  padding:52px 48px;
  overflow:hidden;
  color:#fff;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:40px;
  align-items:center;
}
.cta-band::after{
  content:"";
  position:absolute;right:-100px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(23,195,162,.42),rgba(23,195,162,0) 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  color:#fff;
  line-height:1.4;
  margin-bottom:14px;
  position:relative;
}
.cta-band p{color:#C8DEDA;font-size:15px;max-width:520px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;position:relative}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-dark);
  color:#C8DEDA;
  margin-top:72px;
  padding:66px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FBFBA;max-width:320px}
.footer-title{
  font-size:13px;font-weight:600;color:var(--c-primary);
  letter-spacing:.04em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#C8DEDA;font-size:14px}
.footer-links a:hover{color:var(--c-primary);text-decoration:none}
.footer-contact{font-size:14px;line-height:2;color:#9FBFBA}
.footer-qr{
  margin-top:16px;
  width:88px;height:88px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;color:#9FBFBA;line-height:1.6;
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#7FA39E;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .split{grid-template-columns:1fr}
  .toc-card{position:static}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .cross-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-left,.nav-right{display:none}
  .burger{display:inline-flex;justify-self:end}
  .header-inner{grid-template-columns:1fr auto 1fr;min-height:64px}
  .logo{grid-column:2;font-size:17px}
  .burger{grid-column:3}
  .drawer{top:64px}
  .section{padding:44px 0}
  .hero{padding:28px 0 60px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid rgba(15,168,142,.16)}
  .timeline{grid-template-columns:1fr}
  .topic-item{grid-template-columns:1fr;gap:18px;padding:24px 20px}
  .topic-media{aspect-ratio:16/9}
  .ticket{grid-template-columns:1fr;gap:14px;padding:22px 22px 22px 26px}
  .ticket::before{top:16px;bottom:16px}
  .ticket-actions{justify-content:flex-start}
  .cta-band{padding:36px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .float-badge.fb-1{left:8px;bottom:12px}
  .float-badge.fb-2{right:8px;top:12px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .stat-cell{padding:20px 16px}
  .stat-cell b{font-size:24px}
  .topic-body h3{font-size:18px}
  .btn{width:100%}
  .hero-actions .btn,.cta-actions .btn,.ticket-actions .btn{width:100%}
  .cross-card{padding:22px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .btn:hover,.tl-item:hover,.ticket:hover,.cross-card:hover,.topic-item:hover .topic-media img{transform:none!important}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FA88E;
  --c-primary-deep:#0B7F86;
  --g-brand:linear-gradient(135deg,#17C3A2 0%,#0B7F86 100%);
  --c-accent:#FF9A3C;
  --c-accent-soft:#FFF1E2;
  --c-ink:#0E2A2E;
  --c-text:#22343A;
  --c-muted:#5F757A;
  --c-line:#E1EDEA;
  --c-bg:#F5FAF8;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EAF6F3;
  --c-dark:#0E2A2E;
  --c-dark-text:#E8F5F2;
  --c-ok:#17A673;
  --c-err:#E4572E;
  --c-disabled:#B9C9C7;
  --r-card:22px;
  --r-lg:28px;
  --r-sm:14px;
  --r-pill:999px;
  --r-img:16px;
  --sh-sm:0 2px 8px rgba(14,42,46,.06);
  --sh-md:0 14px 30px -14px rgba(14,42,46,.20);
  --sh-lg:0 30px 64px -26px rgba(14,42,46,.30);
  --t:180ms ease-out;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"SF Mono","Inter","Roboto Mono",monospace;
}
*,*::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:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t)}
a:hover{color:var(--c-primary-deep)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;line-height:1.28}
h1{font-size:40px}
h2{font-size:30px;line-height:1.32}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-left{justify-self:start}
.nav-right{justify-self:end;gap:10px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 12px;
  font-size:15px;font-weight:500;
  color:var(--c-text);
  border-radius:var(--r-pill);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;
  border-radius:3px;background:var(--g-brand);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--c-primary-deep);background:var(--c-surface-alt)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary-deep);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:19px;color:var(--c-ink);
  letter-spacing:-.01em;justify-self:center;white-space:nowrap;
}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;background:var(--g-brand);
  box-shadow:var(--sh-sm);
}
.logo-mark svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--c-line);background:var(--c-surface);
  box-shadow:var(--sh-sm);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;transition:transform var(--t)}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform var(--t),top var(--t)
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle[aria-expanded="true"] span{background:transparent}
.menu-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:14px 24px 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;font-weight:500;
  color:var(--c-text);border-bottom:1px solid var(--c-line);
}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer .drawer-cta{margin-top:14px}
.mobile-drawer .drawer-cta .btn{width:100%;justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-md)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-lg);background:linear-gradient(135deg,#0B7F86 0%,#17C3A2 100%)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border-color:var(--c-line);box-shadow:var(--sh-sm)}
.btn-outline:hover{color:var(--c-primary-deep);border-color:rgba(15,168,142,.45);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-outline:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.10);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled,.btn.is-disabled{background:var(--c-disabled);color:#fff;box-shadow:none;pointer-events:none;filter:saturate(40%)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.7;
}
.badge-soft{background:var(--c-surface-alt);color:var(--c-primary-deep)}
.badge-accent{background:var(--c-accent-soft);color:#B4611A}
.badge-dark{background:rgba(14,42,46,.92);color:#E8F5F2}
.badge-outline{background:var(--c-surface);color:var(--c-muted);border:1px solid var(--c-line)}
.icon-badge{
  width:36px;height:36px;border-radius:50%;flex:none;
  display:grid;place-items:center;background:var(--g-brand);color:#fff;
  font-size:15px;font-weight:700;box-shadow:var(--sh-sm);
}

/* ---------- section basics ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-surface)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary-deep);
  letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:8px;height:18px;border-radius:4px;background:var(--g-brand)}
h2.bar,h3.bar{display:flex;align-items:center;gap:10px}
h2.bar::before,h3.bar::before{content:"";width:8px;height:24px;border-radius:4px;background:var(--g-brand);flex:none}
.muted{color:var(--c-muted)}
.small{font-size:13px;font-weight:500;color:var(--c-muted)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:64px 0 76px;
  background:
    radial-gradient(720px 340px at 88% -10%,rgba(23,195,162,.20),transparent 62%),
    radial-gradient(560px 300px at 4% 8%,rgba(255,154,60,.12),transparent 60%),
    var(--c-bg);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero h1{margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.85;color:var(--c-text);max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:18px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary-deep)}
.crumb .sep{color:#B9C9C7}
.crumb .now{color:var(--c-ink);font-weight:600}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-lg);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(15,168,142,.16),rgba(14,42,46,.22));
  pointer-events:none;
}
.float-badge{
  position:absolute;z-index:2;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:18px;box-shadow:var(--sh-md);
  padding:12px 16px;display:flex;align-items:center;gap:12px;
}
.float-badge .num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--c-ink)}
.float-badge .lbl{font-size:12px;color:var(--c-muted);line-height:1.4}
.float-badge.fb-1{left:-18px;bottom:34px}
.float-badge.fb-2{right:-12px;top:28px}

/* ---------- intro card ---------- */
.intro-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:44px 46px;
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:46px;
  align-items:center;
}
.intro-card p{margin-top:16px;color:var(--c-text);line-height:1.85}
.intro-points{display:grid;gap:14px;margin-top:24px}
.intro-points li{display:flex;gap:12px;align-items:flex-start}
.tick{
  width:22px;height:22px;flex:none;margin-top:3px;border-radius:50%;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:700;
}
.intro-stats{
  display:grid;gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.stat{
  background:var(--c-surface-alt);
  padding:22px 24px;
}
.stat .val{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--c-ink);line-height:1.1}
.stat .val small{font-size:14px;font-weight:600;color:var(--c-primary-deep);margin-left:4px}
.stat .desc{font-size:13px;color:var(--c-muted);margin-top:6px}

/* ---------- tiles 2x2 ---------- */
.tiles{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.tile{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.30)}
.tile-media{position:relative}
.tile-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tile-media .badge{position:absolute;left:14px;top:14px;background:rgba(14,42,46,.88);color:#E8F5F2}
.tile-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.tile-body h3{font-size:20px}
.tile-body p{color:var(--c-muted);font-size:15px;line-height:1.8}
.tile-list{display:grid;gap:8px;margin-top:2px}
.tile-list li{position:relative;padding-left:20px;font-size:14px;color:var(--c-text)}
.tile-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--g-brand);
}
.tile-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.link-arrow{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-arrow::after{content:"›";font-size:18px;line-height:1;transition:transform var(--t)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- steps timeline ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;
}
.steps::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(15,168,142,.35),rgba(15,168,142,.10));
}
.step{
  position:relative;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.step .idx{
  position:relative;z-index:1;
  width:52px;height:52px;border-radius:18px;background:var(--g-brand);color:#fff;
  display:grid;place-items:center;font-family:var(--mono);font-size:18px;font-weight:700;
  box-shadow:var(--sh-sm);margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-muted);line-height:1.75}
.step .time{display:inline-block;margin-top:12px;font-size:12px;font-weight:600;color:#B4611A;background:var(--c-accent-soft);padding:3px 10px;border-radius:var(--r-pill)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-dark);
  border-radius:var(--r-lg);
  padding:56px 56px;
  display:grid;grid-template-columns:1.3fr .8fr;gap:40px;align-items:center;
  box-shadow:var(--sh-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,162,.42),transparent 66%);
}
.cta-band h2{color:#fff}
.cta-band p{color:#C8DEDA;margin-top:14px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.cta-side{position:relative;z-index:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:24px}
.cta-side .row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14px;color:#C8DEDA}
.cta-side .row:last-child{border-bottom:0}
.cta-side .row strong{color:#fff;font-family:var(--mono);font-weight:700}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 26px 20px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex:none;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform var(--t)
}
.faq-item[open]{border-color:rgba(15,168,142,.34);box-shadow:var(--sh-md)}
.faq-item[open] summary{border-left:3px solid var(--c-primary);padding-left:19px}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--c-primary-deep)}
.faq-body{padding:0 26px 24px 22px;color:var(--c-muted);font-size:15px;line-height:1.85}
.faq-item[open] .faq-body{padding-left:19px}

/* ---------- link cards ---------- */
.link-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.link-card{
  display:flex;gap:20px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,168,142,.30)}
.link-card img{width:112px;height:112px;object-fit:cover;border-radius:var(--r-img);flex:none}
.link-card h3{font-size:18px;margin-bottom:8px}
.link-card p{font-size:14px;color:var(--c-muted);line-height:1.75}
.img-fallback{background:var(--c-surface-alt);display:grid;place-items:center}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#C8DEDA;margin-top:0;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;font-size:18px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A9C6C1;max-width:330px}
.footer-title{font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.05em;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:#C8DEDA;font-size:14px;line-height:1.9}
.footer-links a:hover{color:#17C3A2;text-decoration:underline;text-underline-offset:3px}
.footer-contact{font-size:14px;line-height:2;color:#A9C6C1}
.footer-qr{
  margin-top:16px;width:88px;height:88px;border-radius:16px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;text-align:center;font-size:12px;color:#A9C6C1;line-height:1.5;
}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB0AB;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{gap:36px}
  .intro-card{grid-template-columns:1fr;padding:34px 32px;gap:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .cta-band{grid-template-columns:1fr;padding:42px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  h1{font-size:28px;line-height:1.34}
  h2{font-size:23px}
  .section{padding:56px 0}
  .container{padding:0 18px}
  .header-inner{display:flex;align-items:center;justify-content:space-between;min-height:66px}
  .nav-left,.nav-right{display:none}
  .logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:17px}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .mobile-drawer{padding:10px 18px 20px}
  .hero{padding:36px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-visual img{aspect-ratio:16/10}
  .float-badge{padding:10px 13px;border-radius:14px}
  .float-badge .num{font-size:18px}
  .float-badge.fb-1{left:8px;bottom:14px}
  .float-badge.fb-2{right:8px;top:14px}
  .tiles{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr}
  .link-card{flex-direction:column;align-items:flex-start}
  .link-card img{width:100%;height:170px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band{padding:34px 24px;border-radius:var(--r-card)}
  .cta-actions .btn{width:100%}
}
@media (max-width:480px){
  .hero-tags .badge{font-size:11px}
  .intro-card{padding:26px 20px}
  .tile-body{padding:20px 18px 24px}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-item[open] summary{padding-left:15px}
  .faq-body{padding:0 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .btn:hover,.tile:hover,.step:hover,.link-card:hover{transform:none}
}