/* roulang page: index */
:root{
  --primary:#0E8F78;
  --primary-hover:#0B7A66;
  --primary-active:#096354;
  --primary-soft:#E6F4F1;
  --primary-deep:#08322B;
  --primary-on-ink:#4FC3AC;
  --accent:#F2703A;
  --accent-hover:#DE5D28;
  --accent-active:#C9501F;
  --accent-soft:#FFEDE5;
  --ink:#101418;
  --ink-2:#1B2129;
  --ink-text:#F2F3F0;
  --ink-muted:#A8B0B4;
  --bg:#F6F4EF;
  --bg-alt:#EFEDE6;
  --surface:#FFFFFF;
  --line:#E4E0D8;
  --line-ink:rgba(255,255,255,.10);
  --text:#1A1F24;
  --muted:#5E666E;
  --placeholder:#9AA1A7;
  --success:#2E9E6B;
  --warning:#D99A00;
  --danger:#D64545;
  --info:#3D7DBF;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh1:0 1px 2px rgba(16,20,24,.06),0 1px 3px rgba(16,20,24,.05);
  --sh2:0 8px 24px -8px rgba(16,20,24,.18);
  --sh3:0 16px 36px -12px rgba(16,20,24,.24);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",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:1.75;
  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{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--primary-soft);color:var(--primary-active)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#C9C5BC;border-radius:8px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--ink);color:var(--ink-text)}
.section--dark .section-sub{color:var(--ink-muted)}
.divider-line{height:1px;background:var(--line);border:0;margin:0}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(21px,3.4vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:15px;line-height:1.7;margin-top:10px;max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.section--dark .eyebrow{color:var(--primary-on-ink)}
.section--dark .eyebrow::before{background:var(--accent)}
.section-head__link{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .18s}
.section-head__link:hover{border-color:var(--primary)}
.section--dark .section-head__link{color:var(--primary-on-ink)}
.section--dark .section-head__link:hover{border-color:var(--primary-on-ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:none}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn--primary:active{background:var(--accent-active);transform:translateY(0);box-shadow:none}
.btn--outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--outline:hover{background:var(--primary-soft)}
.btn--outline:active{background:#D3EBE5}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}
.btn--ghost:active{background:rgba(255,255,255,.08);transform:translateY(0)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:500;letter-spacing:.02em;line-height:1;
}
.badge--primary{background:var(--primary-soft);color:var(--primary-active)}
.badge--accent{background:var(--accent-soft);color:var(--accent-hover)}
.badge--ink{background:rgba(255,255,255,.10);color:var(--ink-text)}
.badge--success{background:#E3F4EC;color:var(--success)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.brand-note{font-size:11px;color:var(--muted);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .18s,background-color .18s;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-links a.is-active{color:var(--primary);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-text-link{font-size:14px;color:var(--muted);padding:8px 6px;border-radius:8px;transition:color .18s}
.nav-text-link:hover{color:var(--primary)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--ink-text);
  background-color:var(--ink);
  background-image:linear-gradient(135deg,rgba(16,20,24,.82) 0%,rgba(8,50,43,.74) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding:88px 0 72px;min-height:520px;display:flex;flex-direction:column;justify-content:center}
.hero-badge{margin-bottom:20px}
.hero h1{
  font-size:clamp(26px,5.2vw,44px);line-height:1.22;font-weight:700;
  letter-spacing:-.02em;max-width:14em;color:#fff;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.7;color:rgba(242,243,240,.86);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;margin-top:52px;max-width:680px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);overflow:hidden;
}
.trust-item{background:rgba(16,20,24,.42);padding:18px 20px}
.trust-num{
  display:block;font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.trust-num small{font-size:14px;font-weight:600;margin-left:2px;color:var(--primary-on-ink)}
.trust-label{display:block;margin-top:6px;font-size:13px;color:var(--ink-muted)}

/* ---------- 频道导航卡片 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.channel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.channel-card:active{transform:translateY(0)}
.channel-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.channel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.channel-card:hover .channel-media img{transform:scale(1.04)}
.channel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,0) 55%,rgba(16,20,24,.42) 100%)}
.channel-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.channel-body h3{font-size:17px;font-weight:600;line-height:1.5}
.channel-body p{font-size:14px;color:var(--muted);line-height:1.7}
.channel-more{margin-top:auto;padding-top:10px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .channel-more{gap:10px;transition:gap .18s ease}

/* ---------- 权益对比表 ---------- */
.compare{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
}
.compare-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr}
.compare-head{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:68px;z-index:5}
.compare-head .ch{
  padding:18px 20px;font-size:15px;font-weight:600;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.compare-head .ch:first-child{color:var(--muted);font-weight:500;font-size:13px;letter-spacing:.06em}
.compare-head .ch:nth-child(4){background:var(--primary-soft);color:var(--primary-active);position:relative}
.rec-tag{
  display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:6px;
  background:var(--primary);color:#fff;font-size:11px;font-weight:600;letter-spacing:.04em;
}
.compare-group{
  grid-column:1 / -1;background:var(--bg-alt);padding:11px 20px;
  font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.06em;
  border-bottom:1px solid var(--line);
}
.compare-row{border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row .cr{
  padding:16px 20px;font-size:14.5px;line-height:1.65;
  display:flex;align-items:center;gap:8px;
}
.compare-row .cr:first-child{color:var(--text);font-weight:500}
.compare-row .cr:nth-child(4){background:rgba(230,244,241,.55)}
.cr .ico{width:18px;height:18px;flex:none}
.cr .ico--yes{color:var(--success)}
.cr .ico--no{color:var(--placeholder)}
.compare-foot{background:var(--surface);border-top:1px solid var(--line);padding:18px 20px;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;align-items:center;gap:0}
.compare-foot .cf{display:flex;justify-content:center}
.compare-foot .cf:first-child{justify-content:flex-start;color:var(--muted);font-size:13.5px}

/* 移动端对比 */
.compare-mobile{display:none}
.chipbar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:18px;-webkit-overflow-scrolling:touch}
.chipbar::-webkit-scrollbar{display:none}
.chip{
  flex:none;height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:500;color:var(--muted);
  transition:all .18s ease;
}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.tier-panel{display:none}
.tier-panel.is-active{display:block}
.tier-panel .mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;margin-bottom:12px;box-shadow:var(--sh1);
}
.mini-card h4{font-size:15px;font-weight:600;margin-bottom:10px;color:var(--primary-active)}
.mini-card li{
  display:flex;gap:10px;font-size:14.5px;color:var(--muted);
  padding:8px 0;border-bottom:1px dashed var(--line);line-height:1.65;
}
.mini-card li:last-child{border-bottom:0}
.mini-card li .ico{width:18px;height:18px;flex:none;margin-top:4px;color:var(--success)}
.mini-card li .ico--no{color:var(--placeholder)}

/* ---------- 等级卡（深色） ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.tier-card{
  position:relative;display:flex;flex-direction:column;gap:18px;
  padding:28px 24px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);border:1px solid var(--line-ink);
  transition:transform .2s ease,border-color .2s ease;
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.22)}
.tier-card.is-rec{
  border:2px solid var(--primary);background:rgba(14,143,120,.16);
  box-shadow:var(--sh3);
}
.tier-flag{
  position:absolute;top:-1px;right:22px;transform:translateY(-50%);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:6px;letter-spacing:.04em;
}
.tier-num{
  font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--primary-on-ink);
}
.tier-name{font-size:20px;font-weight:700;color:#fff;line-height:1.3}
.tier-desc{font-size:13.5px;color:var(--ink-muted);line-height:1.65;margin-top:-8px}
.tier-list{display:flex;flex-direction:column;gap:10px}
.tier-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(242,243,240,.86);line-height:1.6}
.tier-list li::before{
  content:"";width:6px;height:6px;border-radius:2px;flex:none;
  margin-top:9px;background:var(--primary-on-ink);
}
.tier-price{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line-ink);
  display:flex;align-items:baseline;gap:6px;
}
.tier-price strong{
  font-size:30px;font-weight:700;color:#fff;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.tier-price span{font-size:13px;color:var(--ink-muted)}

/* ---------- 内容预览卡 ---------- */
.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.content-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.cc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.cc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.content-card:hover .cc-media img{transform:scale(1.03)}
.cc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,24,.32) 0%,rgba(16,20,24,0) 32%)}
.cc-lock{
  position:absolute;top:12px;right:12px;z-index:2;
  width:28px;height:28px;border-radius:8px;
  background:rgba(16,20,24,.62);color:#fff;display:grid;place-items:center;
  backdrop-filter:blur(4px);
}
.cc-lock svg{width:15px;height:15px}
.cc-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.cc-cat{align-self:flex-start}
.cc-body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cc-body p{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.cc-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}

/* ---------- 最新资讯（CMS） ---------- */
.news-lead{
  display:grid;grid-template-columns:minmax(0,40%) 1fr;gap:28px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);margin-bottom:32px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.news-lead__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.news-lead__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-lead:hover .news-lead__media img{transform:scale(1.03)}
.news-lead__body{padding:28px 28px 28px 0;display:flex;flex-direction:column;gap:12px}
.news-lead__body h3{font-size:21px;font-weight:700;line-height:1.4;letter-spacing:-.01em}
.news-lead__body p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.news-row{
  display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line);
  transition:background-color .18s ease;
}
.news-row:hover{background:rgba(230,244,241,.4)}
.news-row__thumb{
  width:120px;height:80px;flex:none;border-radius:8px;overflow:hidden;background:var(--bg-alt);
}
.news-row__thumb img{width:100%;height:100%;object-fit:cover}
.news-row__body{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}
.news-row__body h4{
  font-size:15.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row__body p{
  font-size:13.5px;color:var(--muted);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row__meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:48px 24px;text-align:center;
  background:var(--bg-alt);border:1px dashed #D3CEC3;border-radius:var(--r-card);
  color:var(--muted);font-size:15px;
}
.empty-state svg{width:48px;height:48px;color:var(--primary);opacity:.75}
.empty-state .btn{margin-top:6px}

/* ---------- 用户评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh1);display:flex;flex-direction:column;gap:16px;
}
.quote-stars{display:flex;gap:3px;color:var(--warning)}
.quote-stars svg{width:16px;height:16px}
.quote-card p{font-size:14.5px;line-height:1.8;color:var(--text)}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.quote-avatar{
  width:38px;height:38px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:14px;font-weight:700;
}
.quote-name{font-size:14px;font-weight:600}
.quote-role{font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item:hover{border-color:#D9D4C9}
.faq-item.is-open{box-shadow:var(--sh2);border-color:#CFE7E1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);min-height:44px;
}
.faq-icon{
  position:relative;width:16px;height:16px;flex:none;color:var(--primary);
  transition:transform .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:16px;height:2px}
.faq-icon::after{width:2px;height:16px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
  font-size:15px;line-height:1.8;color:var(--muted);
}
.faq-a > div{padding:0 22px 20px;border-top:1px solid var(--line);padding-top:16px}

/* ---------- 开通会员 CTA ---------- */
.cta-section{
  background-color:var(--ink);
  background-image:linear-gradient(160deg,#101418 0%,#0C3B33 100%);
  color:var(--ink-text);position:relative;overflow:hidden;
}
.cta-section::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(14,143,120,.4),transparent 68%);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta-copy h2{font-size:clamp(21px,3.4vw,32px);line-height:1.3;font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;font-size:15px;color:var(--ink-muted);line-height:1.75;max-width:30em}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;align-items:center;gap:12px;font-size:15px;color:rgba(242,243,240,.9)}
.cta-points .ico{width:20px;height:20px;color:var(--primary-on-ink);flex:none}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid var(--line-ink);
  border-radius:var(--r-lg);padding:28px 26px;backdrop-filter:blur(4px);
}
.cta-form h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:6px}
.cta-form .hint{font-size:13.5px;color:var(--ink-muted);margin-bottom:20px;line-height:1.65}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--ink-muted);margin-bottom:7px}
.field input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(16,20,24,.5);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:15px;transition:border-color .18s,box-shadow .18s;
}
.field input::placeholder{color:var(--placeholder)}
.field input:focus{outline:none;border-color:var(--primary-on-ink);box-shadow:0 0 0 3px rgba(79,195,172,.22)}
.field input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.18)}
.field-msg{font-size:12px;margin-top:6px;color:var(--danger);display:none}
.field-msg.is-show{display:block}
.form-legal{font-size:12px;color:var(--ink-muted);line-height:1.65;margin-top:12px}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:14px;padding:11px 14px;
  border-radius:var(--r-btn);background:rgba(46,158,107,.16);
  border:1px solid rgba(46,158,107,.4);color:#8FE0BC;font-size:13.5px;
}
.form-success.is-show{display:flex}
.form-success svg{width:18px;height:18px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--ink-muted);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-ink)}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-top:14px;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:var(--ink-muted);transition:color .18s}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#7C858A;
}
.footer-friend{display:flex;flex-wrap:wrap;gap:16px;padding-top:18px;border-top:1px solid var(--line-ink);margin-top:18px}
.footer-friend a{font-size:13px;color:#7C858A;transition:color .18s}
.footer-friend a:hover{color:#fff}

/* ---------- 移动底栏 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;min-height:56px;font-size:11px;color:var(--placeholder);
  transition:color .18s ease;
}
.tabbar a svg{width:22px;height:22px}
.tabbar a.is-active{color:var(--primary);font-weight:600}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links a{padding:10px 11px;font-size:14.5px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-inner{height:56px;justify-content:space-between}
  .nav-text-link{display:none}
  .nav-cta-desktop{display:none}
  .nav-cta-mobile{display:inline-flex}
  .brand-note{display:none}
  .tabbar{display:grid}
  body{padding-bottom:72px}
  .hero-inner{padding:64px 0 56px;min-height:460px}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-grid .tier-card:last-child{grid-column:1 / -1}
  .content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .news-grid{grid-template-columns:1fr;gap:0}
  .compare-head{position:static}
  .nav-cta-mobile{display:inline-flex}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hero-inner{min-height:420px;padding:52px 0 44px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 auto;min-width:140px;height:48px}
  .trust-bar{grid-template-columns:repeat(3,1fr);margin-top:36px}
  .trust-item{padding:14px 12px}
  .trust-label{font-size:11.5px}
  .channel-grid,.tier-grid,.content-grid{grid-template-columns:1fr}
  .tier-grid .tier-card:last-child{grid-column:auto}
  .compare-grid{display:none}
  .compare-foot{display:none}
  .compare-mobile{display:block}
  .news-lead{grid-template-columns:1fr}
  .news-lead__body{padding:0 20px 22px}
  .news-lead__media{aspect-ratio:16/9}
  .news-row__thumb{width:104px;height:72px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-form{padding:22px 18px}
  .btn{min-height:44px}
}
@media (max-width:479px){
  .trust-bar{grid-template-columns:1fr;background:transparent;border:0;gap:12px}
  .trust-item{background:rgba(16,20,24,.42);border:1px solid rgba(255,255,255,.14);border-radius:12px}
  .hero-actions .btn{flex:1 1 100%}
}
.nav-cta-mobile{display:none}

/* roulang page: article */
:root{
  --primary:#0E8F78;
  --primary-hover:#0B7A66;
  --primary-active:#096354;
  --primary-soft:#E6F4F1;
  --primary-deep:#08322B;
  --accent:#F2703A;
  --accent-hover:#DE5D28;
  --accent-soft:#FFEDE5;
  --ink:#101418;
  --ink-2:#1B2129;
  --ink-text:#F2F3F0;
  --ink-muted:#A8B0B4;
  --ink-line:rgba(255,255,255,.10);
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --bg-soft:#EFEDE6;
  --line:#E4E0D8;
  --text:#1A1F24;
  --muted:#5E666E;
  --placeholder:#9AA1A7;
  --success:#2E9E6B;
  --warning:#D99A00;
  --danger:#D64545;
  --info:#3D7DBF;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,20,24,.06),0 1px 3px rgba(16,20,24,.05);
  --sh-2:0 8px 24px -8px rgba(16,20,24,.18);
  --sh-3:0 16px 36px -12px rgba(16,20,24,.24);
  --container:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro Text",system-ui,-apple-system,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(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--primary-hover)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--primary-soft);color:var(--primary-deep)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-family:var(--font-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-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn--primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{background:var(--accent-hover);transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-hover);transform:translateY(-1px)}
.btn--light{background:transparent;color:var(--ink-text);border-color:rgba(255,255,255,.42)}
.btn--light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px}
.link-more::after{content:"→";font-size:13px;transition:transform .18s ease}
.link-more:hover::after{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.02em;line-height:1;
}
.badge--brand{background:var(--primary-soft);color:var(--primary)}
.badge--accent{background:var(--accent-soft);color:var(--accent-hover)}
.badge--dark{background:rgba(255,255,255,.10);color:var(--ink-text)}
.badge--muted{background:var(--bg-soft);color:var(--muted)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:700}
.brand-note{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:8px;color:var(--muted);font-size:15px;font-weight:500;
}
.nav-links a:hover{color:var(--text);background:var(--bg-soft)}
.nav-links a.is-active{color:var(--primary)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-text-link{font-size:14px;color:var(--muted);padding:10px 4px}
.nav-text-link:hover{color:var(--primary)}
.nav-cta-mobile{display:none}

/* ---------- 移动底栏 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--placeholder);font-weight:500;
}
.tabbar a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.is-active{color:var(--primary)}

/* ---------- 页面主体布局 ---------- */
.page-main{padding-bottom:64px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);padding:22px 0 0;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{width:1px;height:12px;background:var(--line);display:inline-block}
.crumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:18px 0 0}
.article-head h1{
  font-size:clamp(26px,5.2vw,44px);line-height:1.22;font-weight:700;margin:14px 0 0;
}
.article-sub{margin-top:10px;color:var(--muted);font-size:14px}
.article-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-top:14px;
}
.article-meta .sep{width:1px;height:12px;background:var(--line)}
.divider{height:1px;background:var(--line);margin:22px 0 0}

.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-top:36px;align-items:start}
.layout--single{grid-template-columns:minmax(0,1fr)}

/* ---------- 正文排版 ---------- */
.prose{max-width:748px;font-size:16px;line-height:1.85;color:var(--text)}
.prose>*+*{margin-top:16px}
.prose p{font-size:16px;line-height:1.85;color:#232A31}
.prose>p:first-of-type{font-size:17px;color:var(--text)}
.prose h2{
  position:relative;font-size:clamp(21px,3.4vw,27px);line-height:1.3;font-weight:700;
  margin:40px 0 0;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.35em;width:3px;height:18px;border-radius:3px;background:var(--primary);
}
.prose h3{font-size:20px;line-height:1.4;font-weight:600;margin:28px 0 0}
.prose h4{font-size:17px;line-height:1.5;font-weight:600;margin:22px 0 0}
.prose ul,.prose ol{margin-top:16px;padding-left:1.4em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:6px 0;line-height:1.85}
.prose li::marker{color:var(--primary);font-weight:600}
.prose blockquote{
  margin-top:22px;background:var(--primary-soft);border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;padding:16px 20px;font-size:15.5px;color:#1F3A34;
}
.prose img{margin-top:22px;border-radius:var(--r-img);width:100%}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin-top:22px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--bg-soft);font-weight:600}
.prose a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-box{
  max-width:748px;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;background:var(--bg-soft);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:40px 24px;color:var(--muted);
}
.empty-box svg{width:48px;height:48px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-box strong{color:var(--text);font-size:17px}

/* ---------- 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--bg-soft);color:var(--muted);font-size:13px;border:1px solid var(--line);
}
.tag:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--primary-soft)}
.article-foot{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DAD5CA}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0 0 auto 0;height:24px;
  background:linear-gradient(to bottom,rgba(16,20,24,.35),transparent);
}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;margin-top:12px}
.card-body p{font-size:14.5px;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:12px}

.section{padding:56px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(21px,3.4vw,28px);line-height:1.3;font-weight:700}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:92px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px}
.rank-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-list .idx{
  font-family:var(--font-num);font-weight:700;font-size:15px;color:var(--primary);
  min-width:22px;
}
.rank-list a{font-size:14.5px;color:var(--text);line-height:1.55;display:block}
.rank-list a:hover{color:var(--primary)}
.side-cta{background:var(--primary-soft);border:1px solid #CFE7E2;border-radius:var(--r-card);padding:22px}
.side-cta h3{font-size:17px;font-weight:700;color:var(--primary-deep)}
.side-cta p{font-size:14px;color:#3B5B54;margin:8px 0 16px;line-height:1.7}
.side-cta ul{margin-bottom:16px}
.side-cta li{font-size:13.5px;color:#3B5B54;padding-left:16px;position:relative;margin-bottom:6px}
.side-cta li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:2px;background:var(--primary)}

/* ---------- 会员引导条 ---------- */
.join-bar{
  margin-top:64px;border-radius:var(--r-lg);padding:40px;color:var(--ink-text);
  background:linear-gradient(160deg,var(--ink) 0%,var(--primary-deep) 100%);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border:1px solid var(--ink-line);
}
.join-bar h2{color:#fff;font-size:clamp(21px,3.4vw,28px);line-height:1.3}
.join-bar p{color:var(--ink-muted);font-size:14.5px;margin-top:8px;max-width:620px}
.join-bar .join-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--ink);color:var(--ink-muted);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;display:block}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-top:12px;color:var(--ink-muted)}
.footer-col h4{color:#E8EAE7;font-size:14px;font-weight:600;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--ink-muted);font-size:13.5px}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-friend{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:36px;padding-top:22px;
  border-top:1px solid var(--ink-line);font-size:13px;
}
.footer-friend a{color:#8F979B}
.footer-friend a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:22px;padding-top:18px;border-top:1px solid var(--ink-line);
  font-size:13px;color:#7E868A;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card,.side-cta{flex:1 1 300px}
}
@media (max-width:1023px){
  .nav-links a{padding:0 10px;font-size:14.5px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-inner{height:56px;gap:12px}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:13.5px}
  .brand-name{font-size:15px}
  .brand-note{display:none}
  .nav-links,.nav-text-link,.nav-cta-desktop{display:none}
  .nav-cta-mobile{display:inline-flex;margin-left:auto;height:36px;padding:0 14px;font-size:13.5px}
  .tabbar{display:grid}
  .page-main{padding-bottom:88px}
  .crumb{padding-top:16px}
  .crumb .current{max-width:180px}
  .article-meta{gap:8px;font-size:12.5px}
  .prose{max-width:100%}
  .prose h2{margin-top:34px}
  .grid-3{grid-template-columns:1fr}
  .join-bar{padding:26px 20px}
  .join-bar .btn{width:100%}
  .join-actions{width:100%}
  .site-footer{margin-top:64px;padding-top:40px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .btn{height:48px}
  .btn--sm{height:38px}
}
@media (max-width:479px){
  body{font-size:15.5px}
  .prose p{font-size:15.5px}
  .prose>p:first-of-type{font-size:16px}
  .section-head{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --primary:#0E8F78;
  --primary-hover:#0B7A66;
  --primary-active:#096354;
  --primary-soft:#E6F4F1;
  --primary-deep:#08322B;
  --accent:#F2703A;
  --accent-hover:#DE5D28;
  --accent-soft:#FFEDE5;
  --ink:#101418;
  --ink-2:#1B2129;
  --ink-text:#F2F3F0;
  --ink-muted:#A8B0B4;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --bg-alt:#EFEDE6;
  --line:#E4E0D8;
  --line-ink:rgba(255,255,255,.10);
  --text:#1A1F24;
  --muted:#5E666E;
  --placeholder:#9AA1A7;
  --success:#2E9E6B;
  --warning:#D99A00;
  --danger:#D64545;
  --info:#3D7DBF;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,20,24,.06),0 1px 3px rgba(16,20,24,.05);
  --sh-2:0 8px 24px -8px rgba(16,20,24,.18);
  --sh-3:0 16px 36px -12px rgba(16,20,24,.24);
  --w:1200px;
  --sect:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
a,button,.chip,summary{transition:color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:var(--primary-soft);color:var(--primary-deep)}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,20,24,.04);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-weight:700;font-size:14px;letter-spacing:.06em;
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-name{font-size:15px;font-weight:700;color:var(--text)}
.brand-note{font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:flex;align-items:center;min-height:44px;
  padding:0 12px;font-size:14.5px;color:var(--muted);border-radius:8px;
}
.nav-links a:hover{color:var(--text);background:var(--bg-alt)}
.nav-links a.is-active{color:var(--primary);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:3px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-text-link{font-size:14px;color:var(--muted);min-height:44px;display:flex;align-items:center}
.nav-text-link:hover{color:var(--primary)}
.nav-cta-mobile{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);background:var(--accent);box-shadow:var(--sh-1)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary-soft)}
.btn--light{border-color:rgba(255,255,255,.45);color:#fff;background:transparent}
.btn--light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:var(--ink-text);overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  min-height:260px;display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(8,50,43,.90) 0%,rgba(16,20,24,.86) 100%);
}
.hero-inner{position:relative;padding-top:52px;padding-bottom:52px}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-muted);margin-bottom:18px}
.crumbs a:hover{color:#fff}
.crumbs .sep{width:1px;height:12px;background:rgba(255,255,255,.28);display:inline-block}
.page-hero h1{
  font-size:clamp(26px,5.2vw,44px);line-height:1.22;font-weight:700;
  letter-spacing:-.01em;max-width:20ch;
}
.hero-lead{color:var(--ink-muted);font-size:15.5px;line-height:1.85;max-width:60ch;margin-top:16px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:28px}
.hero-stat{min-width:110px}
.hero-stat b{
  display:block;font-size:30px;font-weight:700;line-height:1.1;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.hero-stat span{font-size:13px;color:var(--ink-muted)}

/* ---------- Anchor bar ---------- */
.anchor-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;gap:6px;overflow-x:auto;padding:10px 24px;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;display:inline-flex;align-items:center;min-height:40px;
  padding:0 14px;border-radius:999px;font-size:14px;color:var(--muted);
}
.anchor-inner a:hover{color:var(--text);background:var(--bg-alt)}
.anchor-inner a.is-active{color:var(--primary);background:var(--primary-soft);font-weight:600}

/* ---------- Section ---------- */
.section{padding:var(--sect) 0}
.section--sand{background:var(--bg-alt)}
.section--ink{background:var(--ink);color:var(--ink-text)}
.section--ink .sec-title{color:#fff}
.section--ink .sec-desc{color:var(--ink-muted)}
.sec-head{max-width:720px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:24px;padding:0 12px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.section--ink .eyebrow{background:rgba(14,143,120,.18);color:#7FD6C4}
.sec-title{font-size:clamp(21px,3.4vw,32px);line-height:1.3;font-weight:700;margin:14px 0 12px;letter-spacing:-.01em}
.sec-desc{color:var(--muted);font-size:15.5px;line-height:1.8}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- Basic cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.card h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.8px;line-height:1.78}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary);display:grid;place-items:center;margin-bottom:16px;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}

.media-row{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.media-row figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.media-row figure img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:16/10;background:var(--bg-alt)}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);line-height:1.7}
.dot{flex:0 0 8px;width:8px;height:8px;border-radius:2px;background:var(--primary);margin-top:9px}

/* ---------- Compare table ---------- */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse}
.cmp-table th,.cmp-table td{
  padding:16px 18px;text-align:left;font-size:14.6px;vertical-align:top;
  border-bottom:1px solid var(--line);
}
.cmp-table thead th{
  background:var(--bg-alt);font-size:15px;font-weight:700;color:var(--text);
  position:sticky;top:68px;z-index:2;
}
.cmp-table thead th small{display:block;font-weight:400;font-size:12.5px;color:var(--muted);margin-top:2px}
.cmp-table tbody tr:last-child td{border-bottom:0}
.row-group th{
  background:var(--bg-alt);font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--muted);padding:10px 18px;
}
.col-reco{background:var(--primary-soft)}
.cmp-table thead th.col-reco{background:#D6EDE7}
.reco-flag{
  display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:6px;
  background:var(--primary);color:#fff;font-size:11px;font-weight:600;margin-left:8px;
}
.cell-ok{display:flex;gap:8px;align-items:flex-start;color:var(--text)}
.cell-no{display:flex;gap:8px;align-items:flex-start;color:var(--muted)}
.ico{flex:0 0 18px;width:18px;height:18px;margin-top:3px}

/* ---------- Chips / mobile compare ---------- */
.cmp-mobile{display:none}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:16px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;min-height:40px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  font-size:14px;font-weight:500;cursor:pointer;
}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.is-on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.cmp-panel{display:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.cmp-panel.is-on{display:block}
.cmp-panel h3{font-size:17px;font-weight:600;margin-bottom:4px}
.cmp-panel .cap{font-size:13px;color:var(--muted);margin-bottom:14px}
.cap-list{display:flex;flex-direction:column;gap:12px}
.cap-list li{display:flex;gap:10px;font-size:14.6px;line-height:1.7;padding-bottom:12px;border-bottom:1px solid var(--line)}
.cap-list li:last-child{border-bottom:0;padding-bottom:0}
.cap-list b{font-weight:600;flex:0 0 auto;min-width:74px;color:var(--text)}
.cap-list span{color:var(--muted)}

/* ---------- Level cards ---------- */
.level-card{
  position:relative;display:flex;flex-direction:column;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.level-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.level-card.is-reco{border:2px solid var(--primary);box-shadow:var(--sh-3)}
.level-tag{
  position:absolute;top:-13px;left:22px;height:26px;padding:0 12px;border-radius:6px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;letter-spacing:.02em;
}
.level-no{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.16em;font-variant-numeric:tabular-nums}
.level-card h3{font-size:20px;font-weight:700}
.level-card .level-sub{font-size:13.5px;color:var(--muted);margin-top:-8px}
.level-points{display:flex;flex-direction:column;gap:10px}
.level-points li{display:flex;gap:10px;font-size:14.6px;color:var(--muted);line-height:1.65}
.level-cycle{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.level-cycle b{display:block;font-size:15px;color:var(--text);font-weight:600;margin-bottom:2px}

/* ---------- Ink cards ---------- */
.ink-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-ink);
  border-radius:var(--r-card);padding:22px;
}
.ink-card:hover{background:rgba(255,255,255,.10)}
.ink-card h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px}
.ink-card p{font-size:14.6px;color:var(--ink-muted);line-height:1.75}
.ink-card .num{
  font-size:13px;font-weight:700;color:#7FD6C4;letter-spacing:.16em;
  font-variant-numeric:tabular-nums;display:block;margin-bottom:12px;
}

/* ---------- Steps / advice ---------- */
.advice-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.advice-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.advice-item .idx{
  font-size:22px;font-weight:700;color:var(--primary);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.advice-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.advice-item p{color:var(--muted);font-size:14.8px;line-height:1.78}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(160deg,#101418 0%,#08322B 100%);
  color:var(--ink-text);padding:64px 0;
}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta-band h2{font-size:clamp(21px,3.4vw,30px);line-height:1.32;font-weight:700;color:#fff}
.cta-band .cta-desc{color:var(--ink-muted);font-size:15px;margin-top:12px;line-height:1.8}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-points span{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid var(--line-ink);
  font-size:13px;color:#DDE4E1;
}
.cta-form{
  background:rgba(255,255,255,.05);border:1px solid var(--line-ink);
  border-radius:var(--r-lg);padding:26px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:#C7CFCC;margin-bottom:8px}
.field input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(16,20,24,.45);
  color:#fff;font-size:15px;
}
.field input::placeholder{color:var(--placeholder)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,143,120,.35)}
.field input.is-error{border-color:var(--danger);box-shadow:0 0 0 2px rgba(214,69,69,.28)}
.field .hint{font-size:12px;color:var(--ink-muted);margin-top:8px}
.field .err{font-size:12px;color:#F0A0A0;margin-top:8px;display:none}
.field.is-invalid .err{display:block}
.form-ok{
  display:none;align-items:center;gap:8px;margin-top:14px;padding:10px 14px;
  border-radius:var(--r-btn);background:rgba(46,158,107,.16);
  border:1px solid rgba(46,158,107,.5);color:#8FE0B8;font-size:13.5px;
}
.form-ok.is-on{display:flex}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{position:relative;flex:0 0 16px;width:16px;height:16px;margin-top:5px;transition:transform .18s ease}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--primary);border-radius:1px}
.faq-plus::before{left:0;top:7px;width:16px;height:2px}
.faq-plus::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--primary)}
.faq-answer{
  padding:14px 22px 20px;border-top:1px solid var(--line);
  color:var(--muted);font-size:15px;line-height:1.8;
}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--ink-muted);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-name{font-size:17px;color:#fff;font-weight:700;display:block;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-muted);max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#D9DEDC;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-muted)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-friend{
  display:flex;flex-wrap:wrap;gap:10px 20px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-ink);
}
.footer-friend a{font-size:13px;color:#8E979B}
.footer-friend a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line-ink);
  font-size:13px;color:#7C8589;
}

/* ---------- Mobile tab bar ---------- */
.tabbar{display:none}
@media (max-width:767px){
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    display:grid;grid-template-columns:repeat(5,1fr);
    background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tabbar a{
    min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11px;color:var(--placeholder);
  }
  .tabbar a svg{width:20px;height:20px}
  .tabbar a.is-active{color:var(--primary)}
  body{padding-bottom:72px}
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1100px}
}
@media (max-width:1023px){
  :root{--sect:72px}
  .nav-links a{padding:0 10px;font-size:14px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .media-row{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sect:48px}
  .container{padding:0 16px}
  .nav-inner{height:56px;gap:12px}
  .brand-note{display:none}
  .brand-name{font-size:14px}
  .nav-links{display:none}
  .nav-text-link{display:none}
  .nav-cta-desktop{display:none}
  .nav-cta-mobile{display:inline-flex}
  .page-hero{min-height:230px}
  .hero-inner{padding-top:36px;padding-bottom:36px}
  .page-hero h1{max-width:none}
  .hero-stats{gap:20px}
  .hero-stat b{font-size:25px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .section{padding:var(--sect) 0}
  .sec-head{margin-bottom:28px}
  .card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .advice-item{grid-template-columns:44px 1fr;gap:14px}
  .cmp-mobile{display:block}
  .table-wrap{display:none}
  .btn{min-height:48px}
  .btn--sm{min-height:40px}
  .cta-form{padding:20px}
  .cap-list b{min-width:66px}
}
@media (max-width:479px){
  .hero-stats{gap:16px}
  .hero-stat{min-width:88px}
  .cta-points span{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --primary:#0E8F78;
  --primary-hover:#0B7A66;
  --primary-active:#096354;
  --primary-soft:#E6F4F1;
  --primary-deep:#08322B;
  --accent:#F2703A;
  --accent-hover:#DE5D28;
  --accent-soft:#FFEDE5;
  --ink:#101418;
  --ink-2:#1B2129;
  --ink-text:#F2F3F0;
  --ink-muted:#A8B0B4;
  --bg:#F6F4EF;
  --bg-soft:#EFEDE6;
  --surface:#FFFFFF;
  --line:#E4E0D8;
  --line-ink:rgba(255,255,255,.10);
  --text:#1A1F24;
  --muted:#5E666E;
  --placeholder:#9AA1A7;
  --success:#2E9E6B;
  --warning:#D99A00;
  --danger:#D64545;
  --info:#3D7DBF;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,20,24,.06), 0 1px 3px rgba(16,20,24,.05);
  --sh-2:0 8px 24px -8px rgba(16,20,24,.18);
  --sh-3:0 16px 36px -12px rgba(16,20,24,.24);
  --container:1200px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
h1{font-size:clamp(26px,5.2vw,44px);line-height:1.22;font-weight:700}
h2{font-size:clamp(21px,3.4vw,32px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
::selection{background:var(--primary-soft);color:var(--primary-deep)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#C9C5BC;border-radius:999px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  background:var(--primary);
  color:#fff;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  border-radius:8px;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em}
.brand-note{font-size:12px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 12px;
  font-size:15px;
  color:var(--muted);
  border-radius:8px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-links a.is-active{color:var(--primary);font-weight:600}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:3px;border-radius:2px;
  background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-text-link{
  font-size:14px;color:var(--muted);
  padding:8px 4px;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav-text-link:hover{color:var(--primary);border-color:var(--primary)}
.nav-cta-mobile{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,opacity .18s ease;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{background:#C9511F;transform:translateY(0)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn--ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
.btn--outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--outline:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 小号 Hero ---------- */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  color:var(--ink-text);
  background-image:linear-gradient(135deg,rgba(8,50,43,.88),rgba(16,20,24,.82)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  margin-bottom:16px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  color:#fff;
  background:rgba(14,143,120,.42);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
}
.page-hero h1{max-width:16em}
.page-hero h1 .hl{
  color:#7FE0C8;
  border-bottom:3px solid rgba(127,224,200,.45);
  padding-bottom:2px;
}
.hero-lead{
  max-width:620px;
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:rgba(242,243,240,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:100;
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
}
.anchor-nav{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding:10px 0;
  scrollbar-width:none;
}
.anchor-nav::-webkit-scrollbar{display:none}
.anchor-nav a{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  font-size:14px;
  color:var(--muted);
  border-radius:999px;
  border:1px solid transparent;
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.anchor-nav a:hover{color:var(--primary);background:var(--surface);border-color:var(--line)}
.anchor-nav a.is-current{color:var(--primary);background:var(--surface);border-color:var(--primary);font-weight:600}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0}
.section--soft{background:var(--bg-soft)}
.section--bg{background:var(--bg)}
.section--surface{background:var(--surface)}
.section--ink{background:var(--ink);color:var(--ink-text)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  margin-bottom:14px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;
}
.section--ink .sec-tag{color:#7FE0C8;background:rgba(14,143,120,.24)}
.sec-desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8}
.section--ink .sec-desc{color:var(--ink-muted)}
[id]{scroll-margin-top:148px}

/* ---------- 图文交替 ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:34px 0;
  border-top:1px solid var(--line);
}
.feature-row:first-of-type{border-top:none;padding-top:0}
.feature-row:last-of-type{padding-bottom:0}
.feature-media{position:relative}
.feature-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}
.feature-media::before{
  content:"";
  position:absolute;
  left:-10px;top:-10px;
  width:56px;height:56px;
  border-radius:8px;
  background:var(--primary);
  opacity:.16;
  z-index:-1;
}
.feature-media--alt::before{left:auto;right:-10px;top:auto;bottom:-10px}
.feature-no{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  margin-bottom:10px;
}
.feature-body h3{margin-bottom:12px}
.feature-body p{color:var(--muted);line-height:1.85}
.feature-points{margin-top:18px;display:grid;gap:10px}
.feature-points li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  color:var(--text);
}
.feature-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--primary);
}
.feature-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:20px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  border-bottom:1px solid transparent;
  transition:border-color .18s ease,color .18s ease;
}
.feature-link:hover{border-color:var(--primary-hover);color:var(--primary-hover)}
.feature-link svg{transition:transform .18s ease}
.feature-link:hover svg{transform:translateX(3px)}

/* ---------- 六格内容形态 ---------- */
.grid-6{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.spec-card{
  padding:24px;
  border-radius:var(--r-card);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-ink);
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-2px);background:rgba(255,255,255,.09);border-color:rgba(127,224,200,.45)}
.spec-ico{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(14,143,120,.24);
  color:#7FE0C8;
  margin-bottom:16px;
}
.spec-card h4{color:var(--ink-text);margin-bottom:8px}
.spec-card p{font-size:14px;color:var(--ink-muted);line-height:1.7}

/* ---------- 更新节奏列表行 ---------- */
.timeline-rows{border-top:1px solid var(--line)}
.tl-row{
  display:grid;
  grid-template-columns:170px 1fr auto;
  gap:24px;
  align-items:center;
  padding:22px 4px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.tl-row:hover{background:var(--surface)}
.tl-time{
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.tl-main h4{margin-bottom:6px}
.tl-main p{font-size:14px;color:var(--muted)}
.tl-tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  font-size:12px;
  border-radius:999px;
  color:var(--primary);
  background:var(--primary-soft);
  white-space:nowrap;
}
.tl-tag--accent{color:var(--accent-hover);background:var(--accent-soft)}

/* ---------- 会员引导条 ---------- */
.guide-wrap{padding:0 0 88px}
.guide-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:36px 40px;
  border-radius:var(--r-lg);
  color:#fff;
  background:linear-gradient(160deg,#08322B 0%,#0E8F78 100%);
  box-shadow:var(--sh-2);
}
.guide-bar h3{font-size:clamp(19px,2.4vw,24px);margin-bottom:10px}
.guide-bar p{color:rgba(255,255,255,.82);font-size:15px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item[open]{border-color:rgba(14,143,120,.4)}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 56px 18px 22px;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:22px;top:50%;
  width:14px;height:14px;
  margin-top:-7px;
  background:
    linear-gradient(var(--primary),var(--primary)) center/100% 2px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/2px 100% no-repeat;
  transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{
  padding:16px 22px 20px;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA 表单区 ---------- */
.cta-block{background:var(--ink);color:var(--ink-text)}
.cta-panel{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  padding:48px;
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,#101418 0%,#08322B 100%);
  border:1px solid var(--line-ink);
}
.cta-panel h2{color:#fff}
.cta-panel .cta-sub{margin-top:12px;color:var(--ink-muted);font-size:15px;line-height:1.8}
.cta-quick{margin-top:22px;display:grid;gap:10px}
.cta-quick li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:rgba(242,243,240,.9);
}
.cta-quick li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:12px;height:7px;
  border-left:2px solid #7FE0C8;
  border-bottom:2px solid #7FE0C8;
  transform:rotate(-45deg);
}
.join-form{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-ink);
  border-radius:var(--r-card);
  padding:24px;
}
.field-label{display:block;font-size:13px;color:var(--ink-muted);margin-bottom:8px}
.field-input{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-ink);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field-input::placeholder{color:var(--placeholder)}
.field-input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(14,143,120,.28);
}
.field-input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.22)}
.field-input.is-success{border-color:var(--success);box-shadow:0 0 0 3px rgba(46,158,107,.22)}
.join-form .btn{width:100%;margin-top:14px}
.form-hint{margin-top:12px;font-size:12px;line-height:1.7;color:var(--placeholder)}
.form-msg{margin-top:12px;font-size:12.5px;min-height:18px}
.form-msg.is-error{color:#FF9A8A}
.form-msg.is-success{color:#7FE0C8}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--ink-muted);
  padding:64px 0 28px;
  border-top:1px solid var(--line-ink);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand-name{
  display:inline-block;
  font-size:17px;
  font-weight:700;
  color:var(--ink-text);
  margin-bottom:12px;
}
.footer-brand p{font-size:14px;line-height:1.8;max-width:32em}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--ink-text);
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;
  color:var(--ink-muted);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-col a:hover{color:#fff;border-color:#fff}
.footer-friend{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line-ink);
}
.footer-friend a{
  font-size:13px;
  color:var(--ink-muted);
  transition:color .18s ease;
}
.footer-friend a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  margin-top:22px;
  padding-top:20px;
  border-top:1px solid var(--line-ink);
  font-size:13px;
  color:#8B9298;
}

/* ---------- 图片失败占位 ---------- */
.img-fallback{
  background:var(--bg-soft);
  display:grid;
  place-items:center;
  color:var(--primary);
  min-height:180px;
  border-radius:var(--r-img);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1100px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .guide-wrap{padding-bottom:72px}
  .grid-6{grid-template-columns:repeat(2,1fr)}
  .feature-row{gap:36px}
  .cta-panel{padding:36px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  :root{--header-h:auto}
  .nav-inner{flex-wrap:wrap;gap:10px;padding:10px 0}
  .brand{flex:1 1 auto}
  .brand-note{display:none}
  .nav-links{
    order:3;
    width:100%;
    margin-left:0;
    overflow-x:auto;
    scrollbar-width:none;
    gap:2px;
  }
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{height:38px;padding:0 10px;font-size:14px}
  .nav-links a.is-active::after{left:10px;right:10px;bottom:1px}
  .nav-text-link,.nav-cta-desktop{display:none}
  .nav-cta-mobile{display:inline-flex;height:36px;padding:0 14px;font-size:14px}
  .anchor-bar{position:static}
  [id]{scroll-margin-top:24px}
  .page-hero{min-height:200px}
  .page-hero .container{padding-top:44px;padding-bottom:44px}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:48px 0}
  .guide-wrap{padding:0 0 48px}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .feature-row .feature-media{order:-1}
  .grid-6{grid-template-columns:1fr}
  .tl-row{grid-template-columns:1fr;gap:8px;padding:20px 2px}
  .tl-tag{justify-self:start}
  .guide-bar{flex-direction:column;align-items:flex-start;padding:28px 24px;gap:20px}
  .guide-bar .btn{width:100%}
  .cta-panel{grid-template-columns:1fr;padding:26px 22px;gap:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:479px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .btn{height:48px}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15.5px}
  .faq-item summary::after{right:18px}
  .faq-answer{padding:14px 18px 18px}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --primary:#0E8F78;
  --primary-hover:#0B7A66;
  --primary-active:#096354;
  --primary-soft:#E6F4F1;
  --primary-deep:#08322B;
  --accent:#F2703A;
  --accent-hover:#DE5D28;
  --accent-soft:#FFEDE5;
  --ink:#101418;
  --ink-2:#1B2129;
  --ink-text:#F2F3F0;
  --ink-muted:#A8B0B4;
  --ink-line:rgba(255,255,255,.10);
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --bg-2:#EFEDE6;
  --line:#E4E0D8;
  --text:#1A1F24;
  --muted:#5E666E;
  --placeholder:#9AA1A7;
  --success:#2E9E6B;
  --warning:#D99A00;
  --danger:#D64545;
  --info:#3D7DBF;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:999px;
  --sh-1:0 1px 2px rgba(16,20,24,.06),0 1px 3px rgba(16,20,24,.05);
  --sh-2:0 8px 24px -8px rgba(16,20,24,.18);
  --sh-3:0 16px 36px -12px rgba(16,20,24,.24);
  --sec:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro Text",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* ============ 基础重置 ============ */
*,*::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(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1{font-size:clamp(26px,5.2vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(21px,3.4vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
::selection{background:var(--primary-soft);color:var(--primary-deep);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#C9C5BC;border-radius:999px;}

/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  height:68px;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--sh-1);
  border-bottom-color:var(--line);
  background:rgba(246,244,239,.98);
}
.nav-inner{height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.04em;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand-note{font-size:11px;color:var(--muted);letter-spacing:.02em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;font-size:15px;color:var(--muted);border-radius:var(--r-btn);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--text);background:var(--bg-2);}
.nav-links a.is-active{color:var(--primary);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;
  height:3px;border-radius:2px;background:var(--primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-text-link{font-size:14px;color:var(--muted);padding:8px 6px;border-radius:8px;transition:color .18s;}
.nav-text-link:hover{color:var(--primary);}
.nav-cta-mobile{display:none!important;}

/* ============ 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-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);background:#C9521F;}
.btn--ghost{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn--ghost:hover{background:var(--primary-soft);transform:translateY(-1px);}
.btn--light{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.32);}
.btn--light:hover{background:rgba(255,255,255,.18);transform:translateY(-1px);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn--text{background:none;color:var(--primary);padding:0;height:auto;font-weight:600;border-radius:0;}
.btn--text:hover{text-decoration:underline;transform:none;}

/* ============ 小 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:260px;display:flex;align-items:center;
  background:var(--ink);color:var(--ink-text);
  padding:48px 0;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,143,120,.82) 0%,rgba(16,20,24,.88) 68%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:#CFE9E3;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  padding:5px 12px;border-radius:var(--r-badge);margin-bottom:16px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:2px;background:var(--accent);}
.page-hero h1{color:#fff;max-width:760px;}
.page-hero p{
  margin-top:14px;max-width:660px;font-size:15.5px;line-height:1.8;color:#D6DBD9;
}
.hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 28px;
  font-size:13px;color:var(--ink-muted);font-family:var(--font-num);
}
.hero-meta strong{color:#fff;font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;margin-right:4px;}

/* ============ 锚点导航 ============ */
.anchor-bar{
  position:sticky;top:68px;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;padding:0;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:52px;
  padding:0 16px;font-size:14.5px;color:var(--muted);
  border-bottom:3px solid transparent;transition:color .18s,border-color .18s;
}
.anchor-inner a:hover{color:var(--text);}
.anchor-inner a.is-current{color:var(--primary);font-weight:600;border-bottom-color:var(--primary);}

/* ============ 板块 ============ */
.section{padding:var(--sec) 0;}
.section--dark{background:var(--ink);color:var(--ink-text);position:relative;overflow:hidden;}
.section--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:16px 16px;
}
.section--dark .container{position:relative;z-index:2;}
.section--alt{background:var(--bg-2);}
.section--surface{background:var(--surface);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--primary);
  margin-bottom:10px;text-transform:uppercase;
}
.section-head .kicker::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--accent);}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}
.section--dark .section-head p{color:var(--ink-muted);}
.section--dark .section-head .kicker{color:#7FD6C3;}

/* ============ 筛选 chips ============ */
.chips{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;
}
.chip{
  height:38px;padding:0 18px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-selected{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.chip .count{font-family:var(--font-num);font-size:12.5px;opacity:.75;font-variant-numeric:tabular-nums;}

/* ============ 时间线列表 ============ */
.timeline{border-top:1px solid var(--line);}
.tl-item{
  display:grid;grid-template-columns:104px 1fr;gap:26px;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
  border-radius:0;
}
.tl-item:hover{background:rgba(255,255,255,.62);}
.tl-date{
  align-self:start;
  background:var(--primary-soft);border-radius:10px;
  padding:12px 10px;text-align:center;
  clip-path:polygon(0 0,100% 0,100% 82%,82% 100%,0 100%);
}
.tl-date .day{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:700;
  color:var(--primary-deep);line-height:1.1;font-variant-numeric:tabular-nums;
}
.tl-date .my{
  display:block;font-family:var(--font-num);font-size:12px;color:var(--primary);
  letter-spacing:.04em;margin-top:2px;
}
.tl-body h3{font-size:18px;margin:10px 0 6px;}
.tl-body h3 a:hover{color:var(--primary);}
.tl-body p{color:var(--muted);font-size:15px;line-height:1.75;max-width:66ch;}
.tl-foot{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--placeholder);}
.tl-foot span{display:inline-flex;align-items:center;gap:6px;}
.tl-empty{
  display:none;text-align:center;padding:56px 24px;margin:24px 0;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-2);
}
.tl-empty.is-show{display:block;}
.tl-empty svg{color:var(--primary);margin:0 auto 14px;}
.tl-empty p{color:var(--muted);font-size:15px;margin-bottom:16px;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.badge--notice{background:var(--primary-soft);color:var(--primary);}
.badge--update{background:#E9EFF8;color:var(--info);}
.badge--benefit{background:var(--accent-soft);color:var(--accent-hover);}
.badge--event{background:#FBF1DC;color:#9A6E00;}
.badge--dark{background:rgba(255,255,255,.10);color:#CDEDE5;border:1px solid var(--ink-line);}

/* ============ 深色节奏区块 ============ */
.pace-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pace-card{
  background:rgba(255,255,255,.06);
  border:1px solid var(--ink-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:background .2s ease,transform .2s ease;
}
.pace-card:hover{background:rgba(255,255,255,.10);transform:translateY(-2px);}
.pace-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;
  color:#7FD6C3;margin-bottom:16px;display:block;
}
.pace-card .metric{
  font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;
  color:#fff;font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.pace-card h3{font-size:17px;color:#fff;margin-bottom:8px;}
.pace-card p{font-size:14.5px;color:var(--ink-muted);line-height:1.7;}
.pace-note{
  margin-top:28px;padding:18px 22px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(14,143,120,.28),rgba(16,20,24,.10));
  border:1px solid var(--ink-line);font-size:14.5px;color:#CDEDE5;
  display:flex;gap:12px;align-items:flex-start;
}
.pace-note svg{flex:0 0 20px;margin-top:2px;color:#7FD6C3;}

/* ============ 内容卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.content-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D7D2C7;}
.cc-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.cc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.content-card:hover .cc-cover img{transform:scale(1.03);}
.cc-cover::after{
  content:"";position:absolute;left:0;right:0;top:0;height:24px;
  background:linear-gradient(180deg,rgba(16,20,24,.28),transparent);
}
.cc-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.cc-body h3{font-size:18px;line-height:1.45;}
.cc-body h3 a:hover{color:var(--primary);}
.cc-body p{font-size:14.5px;color:var(--muted);line-height:1.7;flex:1;}
.cc-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--placeholder);font-family:var(--font-num);
  padding-top:12px;border-top:1px solid var(--line);margin-top:4px;
}

/* ============ 会员引导条 ============ */
.join-band{
  margin-top:0;padding:56px 0;
  background:linear-gradient(160deg,var(--ink) 0%,var(--primary-deep) 100%);
  color:var(--ink-text);position:relative;overflow:hidden;
}
.join-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  border-radius:50%;background:radial-gradient(circle,rgba(14,143,120,.42),transparent 68%);
}
.join-band .container{position:relative;z-index:2;}
.join-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.join-inner h3{font-size:clamp(20px,2.6vw,26px);color:#fff;}
.join-inner p{margin-top:8px;color:var(--ink-muted);font-size:15px;max-width:52ch;}
.join-actions{display:flex;gap:12px;flex-shrink:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#D7D2C7;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);transition:transform .18s ease;
  background:
    linear-gradient(var(--primary),var(--primary)) center/14px 2px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/2px 14px no-repeat;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item .faq-answer{
  padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted);
  border-top:1px solid var(--line);margin-top:0;padding-top:16px;
}

/* ============ 开通会员表单 ============ */
.cta-section{
  background:linear-gradient(160deg,var(--ink) 0%,var(--primary-deep) 100%);
  color:var(--ink-text);padding:var(--sec) 0;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.cta-copy h2{color:#fff;}
.cta-copy p{margin-top:14px;color:var(--ink-muted);font-size:15.5px;max-width:46ch;}
.cta-list{margin-top:24px;display:grid;gap:12px;}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:#D8DEDA;}
.cta-list .pt{width:6px;height:6px;border-radius:2px;background:#7FD6C3;flex:0 0 6px;}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid var(--ink-line);
  border-radius:var(--r-lg);padding:28px 26px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--ink-muted);margin-bottom:8px;}
.field input{
  width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.96);border:1px solid transparent;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--placeholder);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,143,120,.35);}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.22);}
.field-msg{display:none;margin-top:8px;font-size:12.5px;color:var(--danger);}
.field.has-error .field-msg{display:block;}
.form-note{margin-top:12px;font-size:12px;color:var(--ink-muted);line-height:1.6;}
.form-status{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);font-size:14px;
  align-items:center;gap:8px;
}
.form-status.is-success{display:flex;background:rgba(46,158,107,.18);border:1px solid rgba(46,158,107,.5);color:#9CE3C1;}
.form-status.is-error{display:flex;background:rgba(214,69,69,.16);border:1px solid rgba(214,69,69,.5);color:#F3B4B4;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--ink-muted);padding:64px 0 32px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand-name{font-size:18px;color:#fff;display:block;margin-bottom:14px;}
.footer-brand p{line-height:1.8;color:var(--ink-muted);max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:600;color:#E7E9E6;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--ink-muted);transition:color .18s ease;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-friend{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--ink-line);
  display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;
}
.footer-friend a{color:var(--ink-muted);}
.footer-friend a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--ink-line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#7C8489;font-family:var(--font-num);
}

/* ============ 移动底栏 ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:120;display:none;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:11px;color:#9AA1A7;min-height:44px;transition:color .18s ease;
}
.tabbar a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.is-active{color:var(--primary);}
.tabbar a:active{background:rgba(14,143,120,.08);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1100px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .container{padding:0 20px;}
  .nav-links a{padding:0 10px;font-size:14.5px;}
  .nav-text-link{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .pace-grid{grid-template-columns:repeat(2,1fr);}
  .pace-card:last-child{grid-column:span 2;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .join-inner{flex-direction:column;align-items:flex-start;gap:22px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  body{padding-bottom:72px;}
  .container{padding:0 16px;}
  .site-header{height:56px;}
  .nav-inner{height:56px;gap:12px;}
  .nav-links{display:none;}
  .nav-cta-desktop{display:none;}
  .nav-cta-mobile{display:inline-flex!important;height:36px;padding:0 14px;font-size:13.5px;}
  .brand-mark{width:34px;height:34px;font-size:13.5px;}
  .brand-name{font-size:15px;}
  .brand-note{display:none;}
  .tabbar{display:flex;}
  .page-hero{min-height:220px;padding:36px 0;}
  .page-hero p{font-size:15px;}
  .hero-meta{gap:8px 20px;font-size:12.5px;}
  .anchor-bar{top:56px;}
  .anchor-inner a{height:48px;padding:0 13px;font-size:14px;}
  .tl-item{grid-template-columns:1fr;gap:12px;padding:20px 4px;}
  .tl-date{
    display:inline-flex;align-items:center;gap:8px;padding:6px 12px;
    border-radius:var(--r-badge);clip-path:none;width:auto;
  }
  .tl-date .day{font-size:16px;line-height:1;}
  .tl-date .my{margin-top:0;font-size:12px;}
  .tl-body h3{font-size:17px;margin-top:8px;}
  .card-grid{grid-template-columns:1fr;}
  .pace-grid{grid-template-columns:1fr;}
  .pace-card:last-child{grid-column:auto;}
  .section-head{margin-bottom:28px;}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 18px;}
  .faq-item .faq-answer{padding:14px 18px 18px;font-size:14.5px;}
  .cta-form{padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .join-actions{width:100%;}
  .join-actions .btn{flex:1;}
  .chips{gap:8px;}
  .chip{height:36px;padding:0 14px;font-size:13.5px;}
}
@media (max-width:479px){
  .btn{height:48px;}
  .btn--sm{height:40px;}
  .nav-cta-mobile{height:34px;}
  .page-hero h1{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
  --primary:#0E8F78;
  --primary-hover:#0B7A66;
  --primary-active:#096354;
  --primary-soft:#E6F4F1;
  --primary-deep:#08322B;
  --accent:#F2703A;
  --accent-hover:#DE5D28;
  --accent-soft:#FFEDE5;
  --ink:#101418;
  --ink-2:#1B2129;
  --ink-text:#F2F3F0;
  --ink-muted:#A8B0B4;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-alt:#EFEDE6;
  --line:#E4E0D8;
  --line-ink:rgba(255,255,255,.10);
  --text:#1A1F24;
  --muted:#5E666E;
  --placeholder:#9AA1A7;
  --success:#2E9E6B;
  --warning:#D99A00;
  --danger:#D64545;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(16,20,24,.06), 0 1px 3px rgba(16,20,24,.05);
  --sh-2:0 8px 24px -8px rgba(16,20,24,.18);
  --sh-3:0 16px 36px -12px rgba(16,20,24,.24);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,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(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-soft);color:var(--primary-deep)}

.container{width:100%;max-width:1200px;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-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -8px rgba(242,112,58,.85)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{background:#C74F1F;transform:translateY(0)}
.btn--outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--outline:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn--ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.04)}
.btn--ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap}
.brand-note{font-size:12px;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;color:var(--muted);border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft)}
.nav-links a.is-active{color:var(--primary);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-text-link{font-size:14px;color:var(--muted);transition:color .18s ease}
.nav-text-link:hover{color:var(--primary)}
.nav-cta-mobile{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--ink-text)}
.hero--sm{min-height:250px;display:flex;align-items:center}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,143,120,.85),rgba(16,20,24,.94));
}
.hero-inner{position:relative;padding:52px 0 48px;max-width:860px}
.hero-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:6px 12px;border-radius:999px;color:#A9E6DA;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);
  margin-bottom:16px;
}
.hero h1{
  font-size:clamp(26px,5.2vw,40px);line-height:1.22;font-weight:700;
  color:#fff;letter-spacing:-.015em;
}
.hero-lead{margin-top:14px;font-size:16px;line-height:1.8;color:#D3D9DA;max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta li{
  font-size:13px;color:#E4EAE9;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);
}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;top:68px;z-index:40;
  background:var(--surface);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:12px 24px;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-nav a{
  white-space:nowrap;padding:8px 14px;border-radius:999px;
  font-size:14px;color:var(--muted);background:var(--bg);border:1px solid var(--line);
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.anchor-nav a:hover{color:var(--primary);background:var(--primary-soft);border-color:var(--primary)}
.anchor-nav a.is-active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--white{background:var(--surface)}
.section--alt{background:var(--surface-alt)}
.section--ink{background:var(--ink);color:var(--ink-text)}
.section-head{max-width:760px;margin-bottom:40px}
.section-kicker{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-soft);border-radius:999px;
  padding:5px 12px;margin-bottom:14px;
}
.section-kicker--light{color:#A9E6DA;background:rgba(255,255,255,.10)}
.section-head h2{font-size:clamp(21px,3.4vw,32px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.8}
.section-head--light p{color:var(--ink-muted)}
section[id]{scroll-margin-top:140px}

/* ---------- 步骤时间线 ---------- */
.steps{margin-top:8px}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;padding-bottom:26px}
.step:last-child{padding-bottom:0}
.step:not(:last-child)::before{
  content:"";position:absolute;left:27px;top:58px;bottom:-2px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(14,143,120,.14));
}
.step-num{
  position:relative;z-index:1;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);
  color:var(--primary);font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-card h3{font-size:18px;margin-bottom:6px}
.step-card p{color:var(--muted);font-size:15px;line-height:1.8}
.step-tag{
  display:inline-block;margin-top:12px;font-size:12px;font-weight:500;
  color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 10px;
  font-variant-numeric:tabular-nums;
}

/* ---------- 开通准备 ---------- */
.prepare-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:32px;align-items:start;margin-top:8px}
.media{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-img);
  overflow:hidden;box-shadow:var(--sh-1);
}
.media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.check-cards{display:grid;gap:14px}
.check-cards li{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:32px 1fr;gap:14px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.check-cards li:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.check-icon{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
}
.check-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.check-cards h3{font-size:16px;font-weight:600;margin-bottom:4px}
.check-cards p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- 深色卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ink-card{
  position:relative;background:rgba(255,255,255,.06);border:1px solid var(--line-ink);
  border-radius:var(--r-card);padding:24px 22px;
  transition:background .2s ease,transform .2s ease;
}
.ink-card:hover{background:rgba(255,255,255,.10);transform:translateY(-2px)}
.ink-card .ink-index{
  display:block;font-size:13px;font-weight:700;color:#7FD8C7;letter-spacing:.14em;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.ink-card h3{font-size:18px;color:#fff;margin-bottom:10px}
.ink-card p{font-size:14.5px;color:var(--ink-muted);line-height:1.8}
.ink-card .ink-line{height:1px;background:var(--line-ink);margin:16px 0 14px}
.ink-card .ink-point{font-size:13px;color:#C6E9E2}

/* ---------- 卡点自查 ---------- */
.fail-list{max-width:900px;margin-top:8px;border-top:1px solid var(--line)}
.fail-list li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.fail-list li:hover{background:var(--bg)}
.fail-icon{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);
}
.fail-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fail-list h3{font-size:16px;font-weight:600;margin-bottom:4px}
.fail-list p{font-size:14.5px;color:var(--muted);line-height:1.75}

.tip-card{
  margin-top:32px;background:var(--surface-alt);border-left:4px solid var(--primary);
  border-radius:var(--r-img);padding:22px 24px;
}
.tip-card h3{font-size:16px;margin-bottom:8px;color:var(--primary-deep)}
.tip-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 会员引导条 ---------- */
.member-strip{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:36px 40px;border-radius:var(--r-lg);color:var(--ink-text);
  background:linear-gradient(160deg,var(--ink),var(--primary-deep));
  box-shadow:var(--sh-3);
}
.member-strip h2{font-size:clamp(20px,2.6vw,26px);color:#fff;max-width:520px;margin-bottom:14px}
.strip-list{display:flex;flex-wrap:wrap;gap:10px}
.strip-list li{
  font-size:13.5px;color:#DDE7E5;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);
}
.member-strip-action{display:flex;flex-direction:column;align-items:flex-start;gap:10px;flex:0 0 auto}
.member-strip-action span{font-size:12.5px;color:var(--ink-muted)}
.member-strip-action .btn{width:100%;min-width:190px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:#D6D1C6}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#D6D1C6}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;margin-top:2px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .18s ease;
}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{
  border-top:1px solid var(--line);padding:16px 22px 20px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--ink-muted);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-name{display:block;color:#fff;font-size:17px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-muted)}
.footer-col h4{font-size:14px;font-weight:600;color:#EDEFEC;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--ink-muted);transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-friend{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line-ink);font-size:13px;
}
.footer-friend a{color:var(--ink-muted);transition:color .18s ease}
.footer-friend a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line-ink);
  font-size:13px;color:#8B9297;
}

/* ---------- 移动底栏 ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr)}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;min-width:44px;font-size:11px;color:var(--placeholder);
  transition:color .18s ease;
}
.tabbar a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.is-active{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  .container{max-width:1100px}
}
@media (max-width:1023px){
  .brand-note{display:none}
  .nav-links a{padding:8px 9px;font-size:14px}
  .nav-text-link{display:none}
  .section{padding:72px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .prepare-grid{grid-template-columns:1fr}
  .member-strip{padding:30px 28px}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .container{padding:0 16px}
  .nav-inner{height:56px;gap:12px}
  .nav-links{display:none}
  .nav-actions{margin-left:auto;gap:10px}
  .nav-cta-desktop{display:none}
  .nav-cta-mobile{display:inline-flex}
  .tabbar{display:block}
  .anchor-nav{top:56px}
  .anchor-inner{padding:10px 16px}
  section[id]{scroll-margin-top:118px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .hero--sm{min-height:220px}
  .hero-inner{padding:36px 0 34px}
  .hero-lead{font-size:15.5px}
  .grid-3{grid-template-columns:1fr}
  .step{grid-template-columns:44px 1fr;gap:14px}
  .step-num{width:44px;height:44px;font-size:15px}
  .step:not(:last-child)::before{left:21px;top:46px}
  .step-card{padding:16px 18px}
  .fail-list li{grid-template-columns:36px 1fr;gap:12px}
  .member-strip{flex-direction:column;align-items:stretch;gap:22px;padding:26px 22px}
  .member-strip-action{align-items:stretch}
  .member-strip-action .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-body{padding:14px 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 24px}
  .btn{height:48px}
  .btn--sm{height:40px}
}