/* roulang page: index */
:root{
  --brand:#0E4B45;
  --brand-dark:#0A3A35;
  --brand-soft:#DDEAE6;
  --accent:#E2683C;
  --accent-soft:#FBE7DE;
  --ink-900:#0C1513;
  --ink-700:#1C2A27;
  --muted:#6B7570;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --alt:#FAF9F6;
  --line:#E4E1D9;

  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --radius-nav:22px;

  --shadow-1:0 1px 2px rgba(12,21,19,.04), 0 12px 32px -12px rgba(12,21,19,.12);
  --shadow-2:0 2px 4px rgba(12,21,19,.05), 0 22px 46px -16px rgba(12,21,19,.20);

  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Manrope","PingFang SC","Microsoft YaHei",system-ui,sans-serif;

  --bs-primary:#0E4B45;
  --bs-primary-rgb:14,75,69;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1C2A27;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#0E4B45;
  --bs-link-hover-color:#E2683C;
  --bs-font-sans-serif:var(--font-cn);
}

*,*::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(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container-c{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .container-c{max-width:1320px;}
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:16px;
  transition:padding-top .2s ease-out;
}
.site-header.is-scrolled{padding-top:8px;}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
  padding:12px 14px 12px 20px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease-out, min-height .22s ease-out, background .22s ease-out;
}
.site-header.is-scrolled .nav-panel{
  min-height:64px;
  background:rgba(255,255,255,.92);
  box-shadow:var(--shadow-2);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink-900);
  font-weight:700;
  font-size:18px;
  letter-spacing:-0.01em;
}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);
  border-radius:11px;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;stroke:#fff;}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:6px;
  flex:1 1 auto;
}
.nav-pill{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  color:var(--ink-700);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:background .18s ease-out, color .18s ease-out, transform .18s ease-out, border-color .18s ease-out;
}
.nav-pill svg{width:18px;height:18px;stroke:var(--brand);stroke-width:1.6;fill:none;}
.nav-pill:hover{
  background:var(--brand-soft);
  color:var(--ink-900);
  transform:translateY(-1px);
}
.nav-pill.is-active{
  color:var(--ink-900);
  font-weight:600;
  background:var(--brand-soft);
}
.nav-pill.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex:0 0 auto;
}
.nav-toggle{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  cursor:pointer;
  transition:background .18s ease-out, transform .18s ease-out;
}
.nav-toggle:hover{background:var(--brand-soft);transform:translateY(-1px);}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink-900);stroke-width:1.7;fill:none;}

/* 抽屉 */
.drawer-panel{
  background:var(--paper);
  border-left:1px solid var(--line);
  width:min(360px,88vw);
}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px 14px;
}
.drawer-body{padding:6px 22px 22px;}
.drawer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:20px;
}
.drawer-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--ink-900);
  font-size:15px;
  font-weight:600;
}
.drawer-card svg{width:20px;height:20px;stroke:var(--brand);stroke-width:1.6;fill:none;}
.drawer-card:hover{border-color:var(--brand);color:var(--brand);}
.drawer-card.is-active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);}
.drawer-note{font-size:13px;color:var(--muted);line-height:1.6;margin-top:14px;}
.drawer-cta{width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease-out, color .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.btn-c svg{width:18px;height:18px;stroke-width:1.8;fill:none;}
.btn-primary-c{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
}
.btn-primary-c svg{stroke:#fff;}
.btn-primary-c:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px -12px rgba(226,104,60,.55);
}
.btn-primary-c:active{transform:translateY(0);background:var(--brand-dark);border-color:var(--brand-dark);}
.btn-primary-c:disabled{background:var(--line);border-color:var(--line);color:var(--muted);cursor:not-allowed;transform:none;box-shadow:none;}

.btn-outline-c{
  background:transparent;
  color:var(--ink-900);
  border-color:var(--ink-900);
}
.btn-outline-c svg{stroke:var(--ink-900);}
.btn-outline-c:hover{background:var(--ink-900);color:#fff;transform:translateY(-2px);}
.btn-outline-c:hover svg{stroke:#fff;}
.btn-outline-c:active{transform:translateY(0);}
.btn-outline-c:disabled{border-color:var(--line);color:var(--muted);cursor:not-allowed;transform:none;}

.btn-ghost-c{
  background:rgba(255,255,255,.10);
  color:#fff;
  border-color:rgba(255,255,255,.32);
}
.btn-ghost-c svg{stroke:#fff;}
.btn-ghost-c:hover{background:#fff;color:var(--ink-900);border-color:#fff;transform:translateY(-2px);}
.btn-ghost-c:hover svg{stroke:var(--ink-900);}

.btn-sm-c{height:36px;padding:0 16px;font-size:14px;border-radius:10px;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  font-size:15px;
  color:var(--brand);
}
.link-arrow svg{width:16px;height:16px;stroke:var(--brand);stroke-width:1.8;fill:none;transition:transform .18s ease-out;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover svg{stroke:var(--accent);transform:translateX(3px);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--tight{padding:72px 0;}
.bg-paper{background:var(--paper);}
.bg-surface{background:var(--surface);}
.bg-alt{background:var(--alt);}
.bg-ink{background:var(--ink-900);}
.divider-line{height:1px;background:var(--line);border:0;margin:0;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  background:var(--brand-soft);
  color:var(--brand);
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--accent);
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{
  font-size:clamp(26px,3vw,38px);
  line-height:1.2;
  margin-top:16px;
}
.section-sub{
  margin-top:14px;
  font-size:16px;
  color:var(--muted);
  line-height:1.8;
}
.section-head--light .section-title{color:#fff;}
.section-head--light .section-sub{color:rgba(255,255,255,.72);}
.section-head--light .eyebrow{background:rgba(255,255,255,.12);color:#fff;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 88px;
  background:var(--paper);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  mask-image:radial-gradient(circle at 70% 20%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 20%, #000 0%, transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero-title{
  font-size:clamp(34px,5vw,58px);
  line-height:1.12;
  letter-spacing:-0.02em;
  margin-top:20px;
}
.hero-title em{
  font-style:normal;
  color:var(--brand);
  background:linear-gradient(transparent 62%, var(--brand-soft) 62%);
}
.hero-lead{
  margin-top:20px;
  font-size:18px;
  line-height:1.8;
  color:var(--muted);
  max-width:34em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:30px;
}
.trust-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px dashed var(--line);
}
.trust-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:28px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.1;
  letter-spacing:-0.02em;
}
.trust-num span{font-size:15px;font-weight:600;color:var(--brand);margin-left:2px;}
.trust-label{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6;}

.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--brand-soft);
  aspect-ratio:4/3.2;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(14,75,69,.12);
}
.hero-dash{
  position:absolute;
  inset:auto -28px -28px auto;
  width:180px;height:180px;
  border:1px dashed rgba(255,255,255,.55);
  border-radius:26px;
  pointer-events:none;
}
.hero-float{
  position:absolute;
  left:20px;bottom:20px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  background:var(--surface);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-1);
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-900);
}
.hero-float svg{width:18px;height:18px;stroke:var(--brand);stroke-width:1.8;fill:none;}

/* ============ 对比表 ============ */
.plan-wrap{
  overflow-x:auto;
  padding:8px 0 24px;
  -webkit-overflow-scrolling:touch;
}
.plan-table{
  width:100%;
  min-width:760px;
  border-collapse:separate;
  border-spacing:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.plan-table th,
.plan-table td{
  padding:0 20px;
  height:56px;
  text-align:center;
  font-size:15px;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.plan-table tbody tr:nth-child(even){background:var(--alt);}
.plan-table tbody tr:last-child td{border-bottom:0;}
.plan-table thead th{
  height:auto;
  padding:22px 20px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.plan-table th:first-child,
.plan-table td:first-child{
  text-align:left;
  font-weight:600;
  color:var(--ink-900);
  position:sticky;
  left:0;
  background:var(--surface);
  z-index:2;
  min-width:200px;
}
.plan-table tbody tr:nth-child(even) td:first-child{background:var(--alt);}
.plan-name{
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  display:block;
}
.plan-price{
  display:block;
  margin-top:6px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:14px;
  color:var(--muted);
}
.plan-col-rec{
  background:var(--brand-soft) !important;
  position:relative;
}
.plan-table thead th.plan-col-rec{
  padding-top:30px;
}
.plan-table thead th.plan-col-rec::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--accent);
}
.plan-tag{
  display:inline-block;
  margin-top:8px;
  padding:3px 10px;
  background:var(--accent);
  color:#fff;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
}
.plan-ico{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:24px;height:24px;
}
.plan-ico svg{width:18px;height:18px;fill:none;stroke-width:1.8;}
.ico-yes{stroke:var(--brand);}
.ico-no{stroke:#C3C6C1;}
.plan-text{font-size:14px;color:var(--ink-700);}
.plan-table tbody tr.plan-rec-row td{box-shadow:inset 1px 0 0 rgba(14,75,69,.10), inset -1px 0 0 rgba(14,75,69,.10);}

/* ============ 等级亮点 ============ */
.level-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.level-card{
  position:relative;
  display:flex;
  flex-direction:column;
  height:100%;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.level-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.level-card:hover::before{transform:scaleX(1);}
.level-ico{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);
  border-radius:12px;
  margin-bottom:18px;
}
.level-ico svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.6;fill:none;}
.level-name{font-size:21px;line-height:1.35;}
.level-tag{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;}
.level-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:11px;}
.level-list li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14.5px;
  color:var(--ink-700);
  line-height:1.65;
}
.level-list li svg{
  flex:0 0 auto;
  width:16px;height:16px;
  margin-top:4px;
  stroke:var(--accent);
  stroke-width:2;
  fill:none;
}
.level-card .link-arrow{margin-top:auto;}

/* ============ 专属内容预览 ============ */
.vault-row{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 2px 22px;
  -webkit-overflow-scrolling:touch;
}
.vault-row::-webkit-scrollbar{height:6px;}
.vault-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.22);border-radius:6px;}
.vault-card{
  scroll-snap-align:start;
  flex:0 0 320px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s ease-out, border-color .2s ease-out;
}
.vault-card:hover{transform:translateY(-2px);border-color:rgba(226,104,60,.6);}
.vault-thumb{
  position:relative;
  aspect-ratio:16/10;
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.vault-thumb img{width:100%;height:100%;object-fit:cover;}
.vault-mask{
  position:absolute;
  inset:0;
  background:rgba(12,21,19,.45);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
}
.vault-mask svg{width:24px;height:24px;stroke:#fff;stroke-width:1.6;fill:none;}
.vault-mask span{font-size:13px;color:rgba(255,255,255,.85);}
.vault-btn{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:10px;
  background:var(--accent);
  color:#fff;
  font-size:14px;
  font-weight:600;
}
.vault-btn:hover{background:#fff;color:var(--ink-900);}
.vault-body{padding:18px 20px 20px;}
.vault-body h3{font-size:17px;line-height:1.45;color:#fff;}
.vault-meta{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);}
.vault-hint{
  margin-top:22px;
  font-size:13.5px;
  color:rgba(255,255,255,.62);
  display:flex;
  align-items:center;
  gap:10px;
}
.vault-hint svg{width:18px;height:18px;stroke:var(--accent);stroke-width:1.8;fill:none;flex:0 0 auto;}

/* ============ 最新信息列表 ============ */
.info-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  color:var(--ink-700);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.info-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:#D6D2C6;
  color:var(--ink-700);
}
.info-thumb{
  position:relative;
  aspect-ratio:16/10;
  background:var(--brand-soft);
  overflow:hidden;
}
.info-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.info-card:hover .info-thumb img{transform:scale(1.03);}
.badge-cat{
  position:absolute;
  left:14px;top:14px;
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  background:var(--accent-soft);
  color:#A8401D;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
}
.info-body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  padding:20px 22px 22px;
}
.info-title{
  font-size:18px;
  line-height:1.45;
  margin-bottom:8px;
}
.info-desc{
  font-size:14.5px;
  line-height:1.7;
  color:var(--muted);
  margin-bottom:16px;
}
.info-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.info-meta time{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.info-more{color:var(--brand);font-weight:600;}
.info-card:hover .info-more{color:var(--accent);}
.clamp-2{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.empty-state{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:56px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  text-align:center;
  min-height:260px;
}
.empty-state svg{width:34px;height:34px;stroke:var(--brand);stroke-width:1.5;fill:none;}
.empty-state p{color:var(--muted);font-size:15px;}

/* ============ 数据条 ============ */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-item{
  padding:26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.stat-item .trust-num{font-size:32px;}
.stat-item p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:box-shadow .2s ease-out, border-color .2s ease-out;
}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:#D9D5C8;}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px 20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform .18s ease-out;
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item summary svg{
  flex:0 0 auto;
  width:18px;height:18px;
  stroke:var(--brand);
  stroke-width:1.8;
  fill:none;
  transition:transform .18s ease-out;
}
.faq-item[open] summary svg{transform:rotate(180deg);}
.faq-answer{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  max-width:68ch;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:56px 48px;
  background:var(--ink-900);
  border-radius:24px;
  overflow:hidden;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.8;}
.cta-perks{
  display:flex;
  flex-wrap:wrap;
  gap:12px 22px;
  margin-top:22px;
}
.cta-perks li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.86);
}
.cta-perks svg{width:16px;height:16px;stroke:var(--accent);stroke-width:2;fill:none;}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.cta-note{
  margin-top:20px;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
  line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.66);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:19px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:32ch;}
.footer-title{
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:rgba(255,255,255,.48);
  font-weight:600;
  margin-bottom:18px;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:15px;
  color:rgba(255,255,255,.78);
}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{
  font-size:14.5px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  margin-bottom:10px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-contact svg{
  flex:0 0 auto;
  width:16px;height:16px;
  margin-top:5px;
  stroke:var(--accent);
  stroke-width:1.7;
  fill:none;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13.5px;
  color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--accent);}
.footer-bottom .dot{margin:0 8px;opacity:.5;}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out, transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container-c{padding:0 20px;}
  .hero-grid{gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col--contact{grid-column:1/-1;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{aspect-ratio:16/10;order:-1;}
  .level-grid{grid-template-columns:1fr;}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:40px 28px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:767.98px){
  .nav-panel{padding:10px 12px 10px 14px;min-height:64px;}
  .brand{font-size:17px;}
  .trust-row{grid-template-columns:1fr 1fr;gap:18px 20px;}
  .info-grid{grid-template-columns:1fr;}
  .vault-card{flex:0 0 82%;}
  .plan-table{min-width:640px;}
  .plan-table th,.plan-table td{padding:0 14px;}
  .plan-table th:first-child,.plan-table td:first-child{min-width:158px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{margin-bottom:12px;}
}
@media (max-width:575.98px){
  .container-c{padding:0 16px;}
  .section{padding:56px 0;}
  .hero{padding:36px 0 56px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-c{width:100%;}
  .trust-row{grid-template-columns:1fr;gap:16px;}
  .stat-band{grid-template-columns:1fr;}
  .info-body{padding:18px;}
  .cta-band{border-radius:18px;padding:32px 20px;}
  .cta-actions .btn-c{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{padding:18px 18px 18px 20px;font-size:16px;}
  .faq-answer{padding:0 20px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --brand:#0E4B45;
  --brand-dark:#0A3A35;
  --brand-mist:#DDEAE6;
  --accent:#E2683C;
  --accent-mist:#FBE8DF;
  --ink-900:#0C1513;
  --ink-700:#1C2A27;
  --muted:#6B7570;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D9;
  --zebra:#FAF9F6;
  --r-card:18px;
  --r-btn:12px;
  --r-panel:22px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(12,21,19,.04),0 12px 32px -12px rgba(12,21,19,.12);
  --shadow-2:0 2px 4px rgba(12,21,19,.05),0 20px 44px -14px rgba(12,21,19,.18);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","Manrope","PingFang SC",system-ui,sans-serif;
}
:root{
  --bs-primary:#0E4B45;
  --bs-primary-rgb:14,75,69;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1C2A27;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#0E4B45;
  --bs-link-hover-color:#E2683C;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container-c{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container-c{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn-c{
  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;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-sm-c{height:36px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary-c{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(12,21,19,.06);}
.btn-primary-c:hover,.btn-primary-c:focus-visible{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-primary-c:active{transform:translateY(0);background:var(--brand-dark);}
.btn-ghost-c{background:transparent;color:var(--ink-900);border-color:var(--ink-900);}
.btn-ghost-c:hover,.btn-ghost-c:focus-visible{background:var(--ink-900);color:#fff;transform:translateY(-2px);}
.btn-ghost-c:active{transform:translateY(0);}
.btn-light-c{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.42);}
.btn-light-c:hover,.btn-light-c:focus-visible{background:#fff;color:var(--ink-900);transform:translateY(-2px);}
.btn-text-c{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);
  padding:0;height:auto;background:none;border:0;font-size:15px;
}
.btn-text-c svg{width:18px;height:18px;stroke-width:1.8;transition:transform .18s ease-out;}
.btn-text-c:hover svg{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding:16px 0 0;}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-1);
  padding:10px 14px;
  transition:padding .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled .nav-panel{
  padding:6px 14px;
  box-shadow:var(--shadow-2);
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(8px);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:var(--brand);display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;stroke:#fff;stroke-width:1.6;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:6px;}
.nav-pill{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 12px;border-radius:12px;
  font-size:14.5px;font-weight:500;color:var(--ink-700);
  border:1px solid transparent;position:relative;white-space:nowrap;
  transition:background-color .18s ease-out,transform .18s ease-out,color .18s ease-out;
}
.nav-pill svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.6;flex:0 0 17px;}
.nav-pill:hover{background:var(--brand-mist);color:var(--brand);transform:translateY(-1px);}
.nav-pill.is-active{color:var(--brand);font-weight:600;background:var(--brand-mist);}
.nav-pill.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--accent);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .18s ease-out,transform .18s ease-out;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink-900);stroke-width:1.6;}
.nav-toggle:hover{background:var(--brand-mist);transform:translateY(-1px);}
.nav-drawer{width:min(360px,88vw);border:0;border-radius:22px 0 0 22px;background:var(--surface);}
.nav-drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line);}
.nav-drawer .offcanvas-body{padding:20px 22px 26px;display:flex;flex-direction:column;gap:14px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-card{
  display:flex;flex-direction:column;gap:8px;
  padding:14px;border:1px solid var(--line);border-radius:14px;
  font-size:14px;font-weight:600;color:var(--ink-900);background:var(--paper);
}
.drawer-card svg{width:20px;height:20px;stroke:var(--brand);stroke-width:1.6;}
.drawer-card:hover{background:var(--brand-mist);transform:translateY(-1px);}
.drawer-card.is-active{border-color:var(--brand);background:var(--brand-mist);color:var(--brand);}
.drawer-cta{margin-top:auto;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 4px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumb li{display:inline-flex;align-items:center;gap:8px;max-width:100%;}
.crumb li+li::before{content:"";width:5px;height:5px;border-radius:2px;background:var(--line);display:inline-block;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current]{color:var(--ink-700);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw;}

/* ---------- 文章头部 ---------- */
.article-hero{padding:18px 0 34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-mist);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.article-hero h1{
  margin:16px 0 14px;
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.14;letter-spacing:-.02em;font-weight:700;color:var(--ink-900);
  max-width:920px;
}
.article-hero .lead{max-width:760px;font-size:16.5px;color:var(--muted);line-height:1.8;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-700);
  font-variant-numeric:tabular-nums;
}
.meta-chip svg{width:16px;height:16px;stroke:var(--brand);stroke-width:1.6;}
.meta-chip--tag{background:var(--accent-mist);border-color:transparent;color:#8A3A1B;font-weight:600;}

.hero-figure{
  position:relative;margin-top:26px;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-1);background:var(--brand-mist);aspect-ratio:21/9;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,75,69,.10),rgba(14,75,69,.34));
}
.hero-figure figcaption{
  position:absolute;left:20px;bottom:16px;z-index:2;
  color:#fff;font-size:13px;font-weight:500;letter-spacing:.02em;
}

/* ---------- 布局 ---------- */
.article-wrap{padding:6px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:48px;justify-content:center;}
@media (max-width:1199px){.article-layout{gap:32px;}}
@media (max-width:991px){.article-layout{grid-template-columns:minmax(0,1fr);}.article-side{display:none;}}

.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:32px;
}
@media (max-width:576px){.article-card{padding:22px 18px;}}

/* ---------- 正文排版 ---------- */
.prose{font-size:16.5px;line-height:1.9;color:var(--ink-700);word-break:break-word;}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 1.2em;}
.prose h2{
  position:relative;margin:44px 0 16px;padding-left:15px;
  font-size:clamp(21px,2.4vw,27px);line-height:1.34;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;
}
.prose h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:3px;background:var(--accent);}
.prose h3{margin:30px 0 12px;font-size:20px;line-height:1.4;font-weight:700;color:var(--ink-900);}
.prose h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--ink-900);}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.25em;}
.prose ul li{list-style:none;position:relative;padding-left:16px;margin:.5em 0;}
.prose ul li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:2px;background:var(--brand);}
.prose ol{list-style:decimal;}
.prose ol li{margin:.5em 0;padding-left:4px;}
.prose blockquote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:var(--brand-mist);border-radius:0 12px 12px 0;color:var(--ink-700);font-size:16px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:14px;margin:24px auto;}
.prose figure{margin:26px 0;}
.prose figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted);}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;font-variant-numeric:tabular-nums;}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:middle;}
.prose th{background:var(--zebra);font-weight:600;color:var(--ink-900);}
.prose tbody tr:nth-child(even){background:var(--zebra);}
.prose a{color:var(--brand);border-bottom:1px solid var(--brand-mist);}
.prose a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.prose code{background:var(--brand-mist);color:var(--brand-dark);padding:2px 6px;border-radius:6px;font-size:14px;}
.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--zebra);
}
.empty-state svg{width:44px;height:44px;stroke:var(--brand);stroke-width:1.5;}
.empty-state p{color:var(--muted);font-size:15px;}

/* ---------- 文末 ---------- */
.article-foot{margin-top:34px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-mist);color:var(--brand);font-size:13px;font-weight:600;
}
.tag:hover{background:var(--brand);color:#fff;}
.share-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.share-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.share-btn svg{width:17px;height:17px;stroke:var(--ink-700);stroke-width:1.6;}
.share-btn:hover{background:var(--brand-mist);transform:translateY(-2px);border-color:var(--brand-mist);}
.back-row{margin-top:26px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:104px;align-self:start;display:flex;flex-direction:column;gap:18px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:20px;}
.side-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.side-title svg{width:16px;height:16px;stroke:var(--brand);stroke-width:1.6;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{display:block;padding:7px 10px;border-radius:10px;font-size:14px;color:var(--ink-700);line-height:1.5;}
.toc-list a:hover{background:var(--brand-mist);color:var(--brand);}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-link{
  display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper);transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out;
}
.side-link:hover{transform:translateY(-2px);background:var(--surface);box-shadow:var(--shadow-1);}
.side-link img{width:52px;height:38px;border-radius:8px;object-fit:cover;flex:0 0 52px;}
.side-link strong{display:block;font-size:14px;color:var(--ink-900);font-weight:600;line-height:1.45;}
.side-link span{font-size:12.5px;color:var(--muted);}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px;border-top:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;justify-content:space-between;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.25;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:560px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (max-width:576px){.grid-3{grid-template-columns:minmax(0,1fr);gap:16px;}}
.card-c{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card-c:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card-media{position:relative;aspect-ratio:16/10;background:var(--brand-mist);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card-c:hover .card-media img{transform:scale(1.03);}
.card-body-c{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body-c h3{font-size:18px;line-height:1.45;font-weight:700;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body-c 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;}
.card-meta{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.badge-c{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);background:var(--brand-mist);color:var(--brand);font-size:12.5px;font-weight:600;}
.badge-c--accent{background:var(--accent-mist);color:#8A3A1B;}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0 88px;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;border-radius:26px;
  padding:52px;display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:34px 34px;
}
.cta-inner h2{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.015em;}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15.5px;max-width:52ch;}
.cta-perks{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-perk{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.9);
}
.cta-perk svg{width:15px;height:15px;stroke:var(--accent);stroke-width:2;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:14px;}
@media (max-width:991px){.cta-inner{grid-template-columns:minmax(0,1fr);padding:36px;}}
@media (max-width:576px){.cta-band{padding:48px 0 56px;}.cta-inner{padding:26px 20px;border-radius:20px;}.cta-actions .btn-c{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:576px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand:hover{color:var(--accent);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:38ch;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.9);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:15px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:13px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact svg{width:18px;height:18px;stroke:var(--accent);stroke-width:1.6;flex:0 0 18px;margin-top:3px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--accent);}
.dot{margin:0 6px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#0E4B45;
  --brand-dark:#0A3A35;
  --brand-fog:#DDEAE6;
  --accent:#E2683C;
  --accent-fog:#FBE9E1;
  --ink-900:#0C1513;
  --ink-700:#1C2A27;
  --muted:#6B7570;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D9;
  --row-alt:#FAF9F6;
  --r-card:18px;
  --r-btn:12px;
  --r-chip:999px;
  --r-panel:22px;
  --sh-1:0 1px 2px rgba(12,21,19,.04), 0 12px 32px -12px rgba(12,21,19,.12);
  --sh-2:0 2px 4px rgba(12,21,19,.05), 0 20px 44px -16px rgba(12,21,19,.18);
  --sec:88px;
  --font-c:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;

  --bs-primary:#0E4B45;
  --bs-primary-rgb:14,75,69;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1C2A27;
  --bs-link-color:#0E4B45;
  --bs-link-hover-color:#0A3A35;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-body-font-family:var(--font-c);
  --bs-font-sans-serif:var(--font-c);
  --bs-emphasis-color:#0C1513;
}

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

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-c);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  color:var(--ink-900);
  font-weight:700;
  letter-spacing:-0.01em;
  margin:0;
}

h1{font-size:clamp(30px,4.2vw,46px);line-height:1.14;letter-spacing:-0.02em}
h2{font-size:clamp(26px,3vw,38px);line-height:1.2}
h3{font-size:21px;line-height:1.35}

p{margin:0}

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

a{color:var(--brand);text-decoration:none;transition:color 180ms ease-out}
a:hover{color:var(--brand-dark)}

ul,ol{margin:0;padding:0;list-style:none}

button{font-family:inherit}

svg{display:block}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.container-c{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

.section{padding:var(--sec) 0}
.section--surface{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.sec-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  background:var(--brand-fog);
  border-radius:var(--r-chip);
  padding:6px 13px;
}
.sec-head h2{margin:16px 0 12px}
.sec-head p{color:var(--muted)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:16px;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:10px 14px;
  box-shadow:var(--sh-1);
  backdrop-filter:blur(10px);
  transition:padding 200ms ease-out,box-shadow 200ms ease-out,background 200ms ease-out;
}
.site-header.is-scrolled .nav-panel{
  padding-top:6px;
  padding-bottom:6px;
  background:rgba(255,255,255,.97);
  box-shadow:var(--sh-2);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink-900)}
.brand-mark{
  width:38px;
  height:38px;
  flex:0 0 38px;
  border-radius:12px;
  background:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.brand-mark svg{width:20px;height:20px;stroke:#fff;stroke-width:1.6;fill:none}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
}
.nav-pill{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 13px;
  border-radius:12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-700);
  border:1px solid transparent;
  transition:background 180ms ease-out,color 180ms ease-out,transform 180ms ease-out;
}
.nav-pill svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.nav-pill:hover{
  background:var(--brand-fog);
  color:var(--brand-dark);
  transform:translateY(-1px);
}
.nav-pill.is-active{
  background:var(--brand-fog);
  color:var(--brand-dark);
  font-weight:600;
}
.nav-pill.is-active::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background 180ms ease-out,border-color 180ms ease-out;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink-900);stroke-width:1.6;fill:none;stroke-linecap:round}
.nav-toggle:hover{background:var(--brand-fog);border-color:var(--brand-fog)}

/* 按钮 */
.btn-c{
  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;
  white-space:nowrap;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out;
}
.btn-c svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.btn-primary-c{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary-c:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary-c:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost-c{background:transparent;color:var(--ink-900);border-color:var(--ink-700)}
.btn-ghost-c:hover{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.btn-on-dark{background:#fff;color:var(--ink-900);border-color:#fff}
.btn-on-dark:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-line-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-line-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn-sm-c{height:36px;padding:0 16px;font-size:14px}
.btn-c:disabled,.btn-c.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  font-size:15px;
  color:var(--brand);
}
.link-more svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform 180ms ease-out}
.link-more:hover svg{transform:translateX(3px)}
.link-more:hover{color:var(--accent)}

/* ============ Hero ============ */
.cat-hero{padding:36px 0 8px}
.breadcrumb-c{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb-c li{display:flex;align-items:center;gap:8px}
.breadcrumb-c li+li::before{content:"／";color:#C6C2B7}
.breadcrumb-c a{color:var(--muted)}
.breadcrumb-c a:hover{color:var(--brand)}

.hero-card{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:44px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-1);
  padding:44px;
}
.hero-card h1{margin:18px 0 16px}
.hero-lead{color:var(--muted);font-size:16.5px;max-width:60ch}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}

.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px dashed var(--line);
}
.stat{min-width:96px}
.stat .num{
  display:block;
  font-size:26px;
  line-height:1.1;
  font-weight:700;
  color:var(--brand-dark);
  font-family:Inter,Manrope,"PingFang SC",system-ui,sans-serif;
}
.stat small{display:block;margin-top:8px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}

.hero-visual{
  position:relative;
  margin:0;
  border-radius:20px;
  overflow:hidden;
  background:var(--brand-fog);
  box-shadow:var(--sh-1);
}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(14,75,69,.12);
  pointer-events:none;
}
.hero-visual .dash-path{
  position:absolute;
  inset:auto 12px 12px auto;
  width:130px;
  height:64px;
  opacity:.85;
}
.hero-visual .dash-path path{stroke:#fff;stroke-width:2;stroke-dasharray:6 7;fill:none;stroke-linecap:round}
.visual-tag{
  position:absolute;
  left:16px;
  top:16px;
  z-index:2;
  background:rgba(255,255,255,.95);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  padding:7px 13px;
  border-radius:var(--r-chip);
  box-shadow:var(--sh-1);
}

/* ============ 子分类横滚 ============ */
.subcat-track{
  display:flex;
  gap:14px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 2px 16px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:#CFCBC1 transparent;
}
.subcat-track::-webkit-scrollbar{height:6px}
.subcat-track::-webkit-scrollbar-thumb{background:#DAD6CB;border-radius:99px}
.subcat-track::-webkit-scrollbar-track{background:transparent}

.subcat{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  gap:11px;
  padding:14px 18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--ink-700);
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-1);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.subcat svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.subcat span.cnt{font-size:12.5px;font-weight:500;color:var(--muted)}
.subcat:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-fog);color:var(--brand-dark)}

/* ============ 对比表 ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  box-shadow:var(--sh-1);
}
.plan-table{
  width:100%;
  min-width:720px;
  border-collapse:separate;
  border-spacing:0;
  font-size:15px;
}
.plan-table caption{caption-side:top;text-align:left;padding:20px 24px 0;color:var(--muted);font-size:13.5px}
.plan-table th,.plan-table td{
  height:56px;
  padding:0 20px;
  text-align:center;
  vertical-align:middle;
  border-bottom:1px solid var(--line);
}
.plan-table thead th{
  font-size:14px;
  color:var(--ink-900);
  font-weight:700;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
}
.plan-table tbody td:first-child,
.plan-table thead th:first-child{
  text-align:left;
  font-weight:600;
  color:var(--ink-900);
  position:sticky;
  left:0;
  background:var(--surface);
  z-index:2;
  min-width:200px;
}
.plan-table tbody tr:nth-child(even) td{background:var(--row-alt)}
.plan-table tbody tr:nth-child(even) td:first-child{background:var(--row-alt)}
.plan-table tbody tr:last-child td{border-bottom:none}
.plan-table th.col-rec,
.plan-table td.col-rec{
  background:#F1F7F5;
  position:relative;
}
.plan-table thead th.col-rec::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:-1px;
  height:3px;
  background:var(--accent);
  border-radius:3px;
}
.rec-badge{
  display:inline-block;
  margin-left:8px;
  font-size:11.5px;
  font-weight:600;
  color:var(--accent);
  background:var(--accent-fog);
  border-radius:var(--r-chip);
  padding:3px 9px;
  vertical-align:middle;
}
.ico-yes{width:18px;height:18px;stroke:var(--brand);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;margin:0 auto}
.ico-no{width:18px;height:18px;stroke:#B9B4A8;stroke-width:2;fill:none;stroke-linecap:round;margin:0 auto}

/* ============ 条目网格 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  transition:transform 200ms ease-out,box-shadow 200ms ease-out;
}
.entry-card::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 200ms ease-out;
  z-index:3;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.entry-card:hover::before{transform:scaleX(1)}
.card-link{display:flex;flex-direction:column;width:100%;color:inherit}
.card-link:hover{color:inherit}
.card-cover{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--brand-fog);
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out}
.entry-card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-fog);
  border-radius:var(--r-chip);
  padding:4px 11px;
}
.entry-card h3{margin:12px 0 8px;font-size:19px}
.card-body p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--muted);
}
.dot{width:3px;height:3px;border-radius:50%;background:#C9C5BA;display:inline-block}

.more-row{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px}
.more-row .hint{font-size:13px;color:var(--muted)}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
}
.step-num{
  font-family:Inter,Manrope,system-ui,sans-serif;
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.06em;
}
.step h3{margin:12px 0 8px;font-size:18px}
.step p{color:var(--muted);font-size:14.5px}
.step::after{
  content:"";
  position:absolute;
  right:-24px;
  top:44px;
  width:24px;
  border-top:2px dashed var(--line);
}
.step:last-child::after{display:none}

/* ============ FAQ ============ */
.qa-list{max-width:860px}
.qa{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.qa + .qa{margin-top:12px}
.qa summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px 18px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  transition:color 180ms ease-out;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--accent);
  opacity:0;
  transition:opacity 200ms ease-out;
}
.qa[open] summary::before{opacity:1}
.qa summary:hover{color:var(--brand)}
.qa summary svg{
  width:20px;
  height:20px;
  flex:0 0 20px;
  stroke:var(--brand);
  stroke-width:1.8;
  fill:none;
  stroke-linecap:round;
  stroke-linejoin:round;
  transition:transform 200ms ease-out;
}
.qa[open] summary svg{transform:rotate(180deg)}
.qa-body{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
  max-width:68ch;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--ink-900);
  border-radius:var(--r-panel);
  padding:56px 48px;
  color:rgba(255,255,255,.78);
  overflow:hidden;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:34px 34px;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);max-width:56ch}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.cta-points li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:#fff;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-chip);
  padding:7px 14px;
}
.cta-points svg{width:16px;height:16px;stroke:var(--accent);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.56);margin-top:14px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  margin-top:var(--sec);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px}
.footer-desc{font-size:14.5px;color:rgba(255,255,255,.62);max-width:36ch}
.footer-title{
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:15px}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-contact svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;stroke:var(--accent);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent)}
.footer-bottom .dot{background:rgba(255,255,255,.35);margin:0 6px}

/* ============ 移动端抽屉 ============ */
.nav-drawer{background:var(--paper);border-left:1px solid var(--line)}
.nav-drawer .offcanvas-header{
  padding:20px 22px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.drawer-close{
  width:38px;height:38px;
  border-radius:11px;
  border:1px solid var(--line);
  background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink-900);stroke-width:1.8;fill:none;stroke-linecap:round}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.drawer-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:16px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--ink-700);
  font-size:14.5px;
  font-weight:600;
  box-shadow:var(--sh-1);
  transition:transform 180ms ease-out,border-color 180ms ease-out;
}
.drawer-card svg{width:22px;height:22px;stroke:var(--brand);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.drawer-card:hover{transform:translateY(-1px);border-color:var(--brand-fog);color:var(--brand-dark)}
.drawer-card.is-active{border-color:var(--accent);color:var(--brand-dark)}
.drawer-foot{
  padding:18px 22px;
  border-top:1px solid var(--line);
  background:var(--surface);
}

/* Bootstrap 组件覆盖 */
.offcanvas.offcanvas-end{width:min(420px,88vw)}
.btn:focus,.btn:active{box-shadow:none}
.form-control{
  height:46px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink-700);
  font-size:15px;
}
.form-control:focus{
  border-color:var(--brand);
  background:var(--brand-fog);
  box-shadow:none;
}
.badge{border-radius:var(--r-chip)}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important}
}

/* 响应式 */
@media (max-width:1200px){
  .entry-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
}

@media (max-width:992px){
  :root{--sec:64px}
  .hero-card{grid-template-columns:1fr;gap:32px;padding:34px}
  .hero-visual img{aspect-ratio:16/9}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:44px 32px}
  .plan-table thead th{position:static}
}

@media (max-width:768px){
  .container-c{padding:0 18px}
  .section{padding:56px 0}
  .hero-stats{gap:24px}
  .stat .num{font-size:23px}
  .entry-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .plan-table{min-width:660px}
  .footer-bottom{flex-direction:column;gap:6px}
}

@media (max-width:576px){
  .hero-card{padding:24px 20px}
  .hero-actions{gap:10px}
  .hero-actions .btn-c{width:100%}
  .cta-band{padding:34px 22px}
  .cta-actions .btn-c{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .drawer-grid{grid-template-columns:1fr}
  .qa summary{font-size:16px;padding:16px 18px 16px 20px}
}

/* roulang page: category2 */
:root{
  --brand:#0E4B45;
  --brand-dark:#0A3A35;
  --brand-soft:#DDEAE6;
  --accent:#E2683C;
  --accent-dark:#B44A22;
  --accent-soft:#FBE7DF;
  --ink-900:#0C1513;
  --ink-700:#1C2A27;
  --muted:#6B7570;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D9;
  --row-alt:#FAF9F6;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-nav:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(12,21,19,.04), 0 12px 32px -12px rgba(12,21,19,.12);
  --shadow-2:0 2px 6px rgba(12,21,19,.06), 0 20px 46px -16px rgba(12,21,19,.2);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:#0E4B45;
  --bs-primary-rgb:14,75,69;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1C2A27;
  --bs-border-color:#E4E1D9;
  --bs-border-radius:12px;
  --bs-link-color:#0E4B45;
  --bs-link-hover-color:#E2683C;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:var(--font);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--accent)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container-c{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-c{max-width:1320px}}
@media (max-width:576px){.container-c{padding:0 16px}}
.section{padding:88px 0}
@media (max-width:768px){.section{padding:56px 0}}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1035;padding:16px 0 0;transition:padding .2s ease-out}
.site-header.is-scrolled{padding-top:8px}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow-1);
  padding:10px 14px;
  transition:box-shadow .2s ease-out,background .2s ease-out,padding .2s ease-out;
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-2);background:rgba(255,255,255,.92);padding:6px 14px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;flex:0 0 auto}
.brand:hover{color:var(--ink-900)}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:19px;height:19px;stroke:#fff;stroke-width:1.6}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-pill{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;font-size:15px;font-weight:500;
  color:var(--ink-700);white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-pill svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none}
.nav-pill:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.nav-pill.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.nav-pill.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;cursor:pointer;
  transition:background .18s ease-out,border-color .18s ease-out;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink-900);stroke-width:1.6;fill:none}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand-soft)}
@media (max-width:991px){.nav-links{display:none}.nav-panel{justify-content:space-between}}

/* ---------- 按钮 ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-c svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none}
.btn-primary-c{background:var(--brand);color:#fff}
.btn-primary-c:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(226,104,60,.65)}
.btn-primary-c:active{transform:translateY(0);box-shadow:none}
.btn-outline-c{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-outline-c:hover{background:var(--ink-900);color:#fff;transform:translateY(-2px)}
.btn-outline-c:active{transform:translateY(0)}
.btn-ghost-c{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-c:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-soft-c{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft-c:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-sm-c{height:36px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-c:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;transition:transform .18s ease-out}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 通用区块标题 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand)}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:1px;background:var(--accent);flex:0 0 auto}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.2;letter-spacing:-.02em;font-weight:700;color:var(--ink-900);margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.on-dark .section-head h2{color:#fff}
.on-dark .section-head p{color:rgba(255,255,255,.72)}
.on-dark .eyebrow{color:#fff}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
  background:var(--ink-900) url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  color:#fff;
}
.hero-cat::before{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(12,21,19,.96) 0%,rgba(12,21,19,.88) 52%,rgba(14,75,69,.86) 100%)}
.hero-route{position:absolute;left:0;right:0;bottom:34px;height:1px;background-image:linear-gradient(90deg,rgba(255,255,255,.34) 0 8px,transparent 8px 18px);background-size:18px 1px;opacity:.55}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
@media (max-width:991px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;list-style:none;margin-bottom:22px;font-size:13.5px;color:rgba(255,255,255,.62)}
.crumb li{display:inline-flex;align-items:center}
.crumb li:not(:first-child)::before{content:"/";margin:0 10px;color:rgba(255,255,255,.34)}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:var(--accent)}
.hero-cat .eyebrow{color:#fff}
.hero-cat h1{
  font-size:clamp(34px,5vw,58px);line-height:1.12;letter-spacing:-.02em;font-weight:700;
  color:#fff;margin-top:16px;max-width:16em;
}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16)}
.hero-metrics .m-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:#fff;line-height:1.2}
.hero-metrics .m-note{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:6px}
.hero-side{background:var(--surface);border-radius:20px;padding:26px;box-shadow:var(--shadow-2);color:var(--ink-700)}
.hero-side h2{font-size:18px;font-weight:700;color:var(--ink-900);line-height:1.4}
.hero-side .side-desc{font-size:14px;color:var(--muted);margin-top:8px}
.side-list{margin-top:18px;display:grid;gap:12px}
.side-item{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-700)}
.side-item svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;stroke:var(--brand);stroke-width:1.7;fill:none}
.hero-side .btn-c{width:100%;margin-top:22px}
.hero-side .side-foot{font-size:12.5px;color:var(--muted);text-align:center;margin-top:12px}

/* ---------- 子分类行 ---------- */
.subcat-block{padding:48px 0 8px}
.subcat-row{
  display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;margin:0 -4px;
  scrollbar-width:thin;
}
.subcat-row::-webkit-scrollbar{height:6px}
.subcat-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.subcat{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:var(--surface);color:var(--ink-700);font-size:15px;font-weight:500;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.subcat svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.6;fill:none}
.subcat:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}

/* ---------- 条目卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991px){.grid-3{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575px){.grid-3{grid-template-columns:1fr;gap:16px}}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  color:inherit;height:100%;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D8D4C8;color:inherit}
.entry-thumb{aspect-ratio:16/10;background:var(--brand-soft);overflow:hidden}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-body{padding:24px;display:flex;flex-direction:column;flex:1}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.badge-c{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-dark)}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.entry-body h3{font-size:20px;line-height:1.35;font-weight:700;color:var(--ink-900)}
.entry-body .entry-desc{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.75}
.entry-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.entry-foot .price{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:600;color:var(--ink-900)}
.load-more{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px}
.load-note{font-size:13.5px;color:var(--muted);text-align:center;max-width:520px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:991px){.steps{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.step::before{content:"";position:absolute;left:24px;top:0;width:34px;height:3px;background:var(--accent);border-radius:0 0 3px 3px}
.step-no{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent)}
.step h3{font-size:18px;font-weight:700;color:var(--ink-900);margin-top:12px;line-height:1.4}
.step p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- 数据条 ---------- */
.stats-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:36px 0;
}
@media (max-width:767px){.stats-row{grid-template-columns:1fr;gap:28px;padding:28px 0}}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--brand-dark);line-height:1.1}
.stat-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--ink-900)}
.stat-note{margin-top:6px;font-size:13px;color:var(--muted)}
.on-dark .stat-num{color:#fff}
.on-dark .stat-label{color:#fff}
.on-dark .stat-note{color:rgba(255,255,255,.62)}

/* ---------- 对比表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface)}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare th,table.compare td{padding:0 20px;height:56px;text-align:center;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle}
table.compare thead th{background:var(--surface);font-weight:700;color:var(--ink-900);font-size:15.5px;position:sticky;top:0}
table.compare tbody tr:nth-child(odd){background:var(--row-alt)}
table.compare th:first-child,table.compare td:first-child{text-align:left;font-weight:600;color:var(--ink-900);min-width:220px}
table.compare tbody tr:last-child td{border-bottom:none}
.col-rec{position:relative;background:var(--brand-soft)!important;box-shadow:inset 0 3px 0 var(--accent)}
.cell-yes{color:var(--brand);font-weight:600}
.cell-no{color:var(--muted);font-size:14px}
.tick{width:16px;height:16px;stroke:currentColor;stroke-width:2;fill:none;display:inline-block;vertical-align:-3px;margin-right:6px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;background:var(--surface);margin-bottom:12px;overflow:hidden}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--ink-900);
  background:transparent;box-shadow:none;padding:18px 22px;
  display:flex;align-items:center;gap:16px;
  transition:background .18s ease-out,color .18s ease-out;
}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.accordion-button::after{
  width:16px;height:16px;flex:0 0 auto;margin-left:auto;
  background-image:none;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .18s ease-out;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--accent)}
.accordion-body{padding:4px 22px 22px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:68ch}
.accordion-button:not(.collapsed)+.accordion-collapse .accordion-body,
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body{border-left:3px solid transparent}

/* ---------- CTA 区块 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  border-radius:24px;padding:52px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(26px,3vw,38px);line-height:1.2;letter-spacing:-.02em;font-weight:700;color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:16px;max-width:44em}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:rgba(255,255,255,.86)}
.cta-points svg{width:18px;height:18px;stroke:var(--accent);stroke-width:1.8;fill:none}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:220px}
.cta-actions .btn-c{width:100%}
.cta-note{margin-top:20px;font-size:12.5px;color:rgba(255,255,255,.55);position:relative;z-index:2}
@media (max-width:767px){.cta-band{padding:36px 24px}.cta-actions{width:100%}}

/* ---------- 分栏图区块 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
@media (max-width:991px){.split{grid-template-columns:1fr;gap:28px}}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:16/10;background:var(--brand-soft)}
.split-media img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-700);line-height:1.7}
.check-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:2px;stroke:var(--brand);stroke-width:1.7;fill:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 28px}
@media (max-width:768px){.site-footer{margin-top:56px;padding:48px 0 24px}}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-brand:hover{color:#fff}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:32em}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:12px}
.footer-links a{color:rgba(255,255,255,.72);font-size:15px}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:grid;gap:14px}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.6}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;stroke:var(--accent);stroke-width:1.6;fill:none}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.68)}
.footer-bottom a:hover{color:var(--accent)}
.footer-bottom .dot{margin:0 8px;opacity:.6}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{background:var(--paper);border-left:1px solid var(--line);width:340px}
.nav-drawer .offcanvas-header{padding:20px 20px 12px;border-bottom:1px solid var(--line)}
.nav-drawer .drawer-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.nav-drawer .offcanvas-body{padding:20px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-card{
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:16px 12px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;font-size:14.5px;font-weight:500;color:var(--ink-700);
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.drawer-card:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-soft)}
.drawer-card.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;border-color:var(--brand-soft)}
.nav-drawer .drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}
.drawer-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}

/* ---------- 滚动进入动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}