/* roulang page: index */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --radius-btn:8px;
  --radius-card:12px;
  --radius-panel:16px;
  --shadow-sm:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --shadow-lg:0 14px 34px -14px rgba(22,33,29,.28);
  --focus:0 0 0 3px rgba(193,128,58,.38);
  --ease:.18s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.005em;}
h1,h2{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;}
p{margin:0 0 1.05em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--band{background:var(--surface-2);}
.section-anchor{scroll-margin-top:84px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),height var(--ease);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  height:70px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-seal{
  width:40px;height:40px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Songti SC","Noto Serif SC",serif;
  font-size:20px;font-weight:600;line-height:1;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.brand-name{
  font-size:19px;font-weight:600;color:var(--ink);
  letter-spacing:.01em;white-space:nowrap;
}
.nav-links{
  display:flex;align-items:center;gap:20px;
  margin-left:6px;flex:1 1 auto;
}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 2px;font-size:15px;color:var(--ink-2);
  white-space:nowrap;transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;background:var(--brand);
  transform:translateX(-50%);transition:width var(--ease);
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a[aria-current="page"]{color:var(--brand);font-weight:600;}
.nav-links a[aria-current="page"]::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;position:relative;}
.more-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--line);
  color:var(--ink-2);font-size:14px;transition:all var(--ease);
}
.more-btn:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
.more-btn .caret{transition:transform var(--ease);font-size:11px;}
.more-btn.is-open{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
.more-btn.is-open .caret{transform:rotate(180deg);}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:640px;background:var(--surface);
  border-radius:var(--radius-panel);
  box-shadow:var(--shadow-lg);
  border-top:2px solid var(--accent);
  padding:24px;
  display:grid;grid-template-columns:1fr 1fr 220px;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mega-panel.is-open,.header-actions:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{
  font-size:13px;color:var(--ink-3);font-weight:600;
  letter-spacing:.06em;margin-bottom:10px;font-family:inherit;
}
.mega-col a{
  display:flex;align-items:center;gap:9px;
  padding:9px 8px;border-radius:8px;font-size:14px;color:var(--ink-2);
  transition:all var(--ease);
}
.mega-col a:hover{background:var(--surface-2);color:var(--brand);}
.mega-dot{width:6px;height:6px;border-radius:2px;background:var(--accent);flex-shrink:0;}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--paper);
}
.mega-card img{width:100%;height:118px;object-fit:cover;transition:transform var(--ease);}
.mega-card:hover img{transform:scale(1.03);}
.mega-card-body{padding:12px 14px;}
.mega-card-body strong{display:block;font-size:14px;color:var(--ink);margin-bottom:4px;}
.mega-card-body span{font-size:12px;color:var(--ink-3);}

.btn{
  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;transition:all var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;transition:all var(--ease);
}
.btn-link:hover{color:#9d6529;border-bottom-color:#9d6529;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

.burger{
  display:none;width:44px;height:40px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;transition:all var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:
  radial-gradient(circle at 88% 12%,rgba(193,128,58,.10),transparent 46%),
  linear-gradient(180deg,var(--paper) 0%,#F2EFE7 100%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.3;
  color:var(--ink);margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--brand);border-bottom:3px solid var(--accent-soft);}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:33em;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--ink-3);}
.trust-row li{display:flex;align-items:center;gap:7px;}
.tick{
  width:16px;height:16px;border-radius:50%;
  background:var(--brand-soft);color:var(--ok);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;flex-shrink:0;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-panel);box-shadow:var(--shadow-sm);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-panel);
  background:rgba(27,75,63,.12);pointer-events:none;
}
.hero-badge{
  position:absolute;right:-10px;bottom:-16px;z-index:2;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:12px 18px;display:flex;align-items:center;gap:12px;
}
.hero-badge .num{
  font-family:"Songti SC","Noto Serif SC",serif;
  font-size:24px;color:var(--accent);line-height:1;
}
.hero-badge .txt{font-size:12.5px;color:var(--ink-3);line-height:1.5;}
.hero-badge .txt strong{display:block;color:var(--ink);font-size:13.5px;}

/* ---------- 通用板块头 ---------- */
.section-head{margin-bottom:40px;max-width:760px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;color:var(--accent);font-weight:600;
  letter-spacing:.08em;margin-bottom:12px;
}
.section-kicker::before{content:"";width:16px;height:4px;border-radius:2px;background:var(--accent);}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.32;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;max-width:62ch;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap;}

/* ---------- 权益对比表 ---------- */
.compare-note{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-bottom:16px;font-size:14px;color:var(--ink-3);
}
.compare-note .pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#8a5a22;
  border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;
}
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);
  border-radius:var(--radius-card);background:var(--surface);
  box-shadow:var(--shadow-sm);
}
.compare-table{
  width:100%;border-collapse:collapse;min-width:720px;
  font-size:14.5px;
}
.compare-table th,.compare-table td{
  padding:0 20px;height:52px;text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
.compare-table thead th{
  background:var(--surface-2);font-size:15px;color:var(--ink);
  height:auto;padding-top:16px;padding-bottom:16px;
  font-family:inherit;font-weight:600;position:relative;
}
.compare-table thead th small{display:block;font-size:12px;color:var(--ink-3);font-weight:400;margin-top:4px;}
.compare-table thead th.is-recommend{background:var(--accent-soft);}
.compare-table thead th.is-recommend::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent);
}
.compare-table thead th .rec-tag{
  display:inline-block;margin-left:8px;font-size:11px;
  background:var(--accent);color:#fff;border-radius:999px;
  padding:1px 8px;vertical-align:2px;
}
.compare-table tbody tr:nth-child(even) td{background:#FBFAF7;}
.compare-table tbody tr:nth-child(even) td.is-recommend{background:#FBF1E2;}
.compare-table td.is-recommend{background:#FDF7EE;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table th:first-child,.compare-table td:first-child{
  position:sticky;left:0;z-index:2;
  background:var(--surface);
  border-right:1px solid var(--line);
  font-weight:600;color:var(--ink);min-width:150px;
}
.compare-table thead th:first-child{background:var(--surface-2);}
.compare-table tbody tr:nth-child(even) td:first-child{background:#FBFAF7;}
.cell-yes{color:var(--ok);font-weight:700;}
.cell-no{color:var(--ink-3);}
.compare-foot{
  margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--ink-3);
}

/* ---------- 等级卡 ---------- */
.level-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;align-items:start;
}
.level-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px 24px;
  box-shadow:var(--shadow-sm);transition:all var(--ease);
  display:flex;flex-direction:column;
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--brand-soft);}
.level-card:nth-child(2){margin-top:24px;}
.level-num{
  width:28px;height:28px;border-radius:6px;
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.level-card h3{font-size:20px;margin-bottom:8px;}
.level-card .level-desc{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;min-height:3.4em;}
.level-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;}
.level-list li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.level-list li::before{
  content:"";width:14px;height:14px;flex-shrink:0;margin-top:6px;
  border-radius:3px;background:var(--brand-soft);
  box-shadow:inset 0 0 0 1.5px var(--brand);
}
.level-card .btn{margin-top:auto;width:100%;}
.level-card--feature{
  background:var(--brand);border-color:var(--brand);color:#EAF2ED;
  border-top:3px solid var(--accent);
}
.level-card--feature h3{color:#fff;}
.level-card--feature .level-desc{color:#C6D8CE;}
.level-card--feature .level-list li{color:#D8E5DD;}
.level-card--feature .level-list li::before{background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1.5px var(--accent);}
.level-card--feature .level-num{background:rgba(255,255,255,.16);color:#F3D9B6;}
.level-card--feature .btn-primary{background:var(--accent);}
.level-card--feature .btn-primary:hover{background:#a96c2c;}
.level-tag{
  display:inline-block;align-self:flex-start;
  background:var(--accent);color:#fff;font-size:11.5px;
  border-radius:999px;padding:2px 10px;margin-bottom:12px;font-weight:600;
}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.preview-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:all var(--ease);
  display:flex;flex-direction:column;
}
.preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--brand-soft);}
.preview-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;}
.preview-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.preview-card:hover .preview-thumb img{transform:scale(1.03);}
.preview-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;padding:3px 10px;border-radius:999px;
  font-weight:600;align-self:flex-start;
}
.preview-body h3{font-size:17.5px;line-height:1.45;}
.preview-body p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.preview-foot{font-size:12.5px;color:var(--ink-3);margin-top:auto;display:flex;justify-content:space-between;align-items:center;}
.preview-card--locked{position:relative;}
.preview-card--locked .preview-thumb img,
.preview-card--locked .preview-body{opacity:.55;}
.lock-mask{
  position:absolute;left:0;right:0;bottom:0;height:58%;
  background:linear-gradient(to top,rgba(255,255,255,.98),rgba(255,255,255,0));
  display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  gap:10px;padding-bottom:20px;transition:background var(--ease);
}
.preview-card--locked:hover .lock-mask{background:linear-gradient(to top,rgba(255,255,255,.98),rgba(255,255,255,.35));}
.lock-pill{
  background:var(--surface);border:1px solid var(--line);
  color:var(--ink-2);font-size:12.5px;font-weight:600;
  border-radius:999px;padding:4px 14px;
}
.preview-card--locked:hover .lock-pill{border-color:var(--accent);color:var(--accent);}

/* ---------- 最新信息（CMS 列表） ---------- */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-row{
  display:grid;grid-template-columns:1fr 176px;gap:24px;
  align-items:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;transition:all var(--ease);color:inherit;
}
.news-row:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.news-row:hover .news-title{color:var(--brand);}
.news-main{display:flex;flex-direction:column;gap:7px;min-width:0;}
.news-title{
  font-size:17.5px;font-weight:600;color:var(--ink);
  line-height:1.5;transition:color var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-thumb{width:176px;height:104px;border-radius:var(--radius-card);overflow:hidden;flex-shrink:0;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.news-row:hover .news-thumb img{transform:scale(1.03);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:48px 24px;text-align:center;color:var(--ink-3);
  background:var(--surface);display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-mark{
  width:38px;height:38px;border:1.5px solid var(--line);border-radius:8px;
  position:relative;
}
.empty-mark::before{content:"";position:absolute;left:8px;right:8px;top:12px;height:1.5px;background:var(--line);}
.empty-mark::after{content:"";position:absolute;left:8px;right:14px;top:20px;height:1.5px;background:var(--line);}

/* ---------- FAQ ---------- */
.faq-group{margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group h3{
  font-size:15px;color:var(--accent);font-weight:600;
  letter-spacing:.06em;margin-bottom:14px;font-family:inherit;
}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--ink);
  display:flex;align-items:flex-start;gap:14px;
  transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"+";flex-shrink:0;width:20px;height:20px;margin-top:4px;
  color:var(--accent);font-size:18px;line-height:1;font-weight:400;
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease);
}
.faq-item summary:hover{background:rgba(220,232,225,.45);}
.faq-item[open] summary{background:var(--surface-2);}
.faq-item[open] summary::before{content:"−";transform:rotate(180deg);}
.faq-answer{padding:0 22px 20px 56px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:70ch;}
.faq-answer p{margin-bottom:.6em;}

/* ---------- 开通会员 CTA ---------- */
.join-panel{
  background:var(--brand);color:#E9EFEA;border-radius:var(--radius-panel);
  padding:48px;display:grid;grid-template-columns:1fr 400px;gap:48px;
  position:relative;overflow:hidden;
}
.join-panel::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:34px 34px;pointer-events:none;
}
.join-text,.join-form{position:relative;z-index:1;}
.join-text h2{font-size:clamp(24px,2.6vw,32px);color:#fff;line-height:1.32;margin-bottom:14px;}
.join-text p{color:#C6D8CE;font-size:15.5px;max-width:38ch;}
.join-points{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.join-points li{display:flex;gap:10px;font-size:14.5px;color:#D8E5DD;}
.join-points li::before{
  content:"";width:14px;height:14px;flex-shrink:0;margin-top:6px;
  border-radius:3px;background:rgba(255,255,255,.14);
  box-shadow:inset 0 0 0 1.5px var(--accent);
}
.join-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-card);padding:26px 24px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#E9EFEA;}
.field input{
  width:100%;height:46px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:0 14px;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:var(--focus);}
.field input.error{border-color:var(--warn);}
.field .err{display:none;font-size:13px;color:#F0B295;margin-top:6px;}
.field input.error + .err{display:block;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#C6D8CE;margin:4px 0 18px;line-height:1.7;}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--accent);flex-shrink:0;}
.join-form .btn{width:100%;}
.join-form .btn-primary{background:var(--accent);}
.join-form .btn-primary:hover{background:#a96c2c;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E9EFEA;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-seal{background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);}
.footer-brand .brand-name{color:#fff;}
.footer-desc{font-size:14px;color:#B6C9C0;line-height:1.85;max-width:30ch;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-family:inherit;letter-spacing:.04em;}
.footer-col a,.footer-col span{display:flex;align-items:center;min-height:34px;font-size:14px;color:#B6C9C0;transition:color var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);padding:20px;
}
.footer-card p{font-size:13.5px;color:#C6D8CE;margin-bottom:14px;}
.footer-card .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;width:100%;}
.footer-card .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#93A9A0;
}
.footer-bottom .dot-sep{opacity:.5;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:100;
  background:var(--paper);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .24s ease;
  visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:8px;border:1px solid var(--line);
  background:var(--surface);font-size:20px;color:var(--ink-2);line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer-nav{padding:8px 20px;overflow-y:auto;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a[aria-current="page"]{color:var(--brand);font-weight:600;}
.drawer-nav a::after{content:"›";color:var(--ink-3);font-size:18px;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);background:var(--surface);}
.drawer-foot .btn{width:100%;}
body.no-scroll{overflow:hidden;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links{gap:13px;}
  .nav-links a{font-size:14px;}
  .mega-panel{width:560px;grid-template-columns:1fr 1fr 200px;}
  .container{padding:0 26px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .header-actions .more-btn{display:none;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:560px;}
  .hero-badge{right:8px;bottom:-14px;}
  .section{padding:68px 0;}
  .section--tight{padding:56px 0;}
  .level-grid{grid-template-columns:1fr;gap:20px;}
  .level-card:nth-child(2){margin-top:0;}
  .preview-grid{grid-template-columns:repeat(2,1fr);}
  .join-panel{grid-template-columns:1fr;padding:36px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{height:62px;gap:12px;}
  .brand-name{font-size:17px;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  .hero{padding:44px 0 56px;}
  .hero-actions .btn{width:100%;}
  .hero-sub{font-size:16px;}
  .preview-grid{grid-template-columns:1fr;}
  .news-row{grid-template-columns:1fr;gap:14px;padding:18px;}
  .news-thumb{width:100%;height:170px;order:-1;}
  .compare-table{min-width:640px;font-size:14px;}
  .compare-table th,.compare-table td{padding:0 14px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px 50px;font-size:14.5px;}
  .join-panel{padding:26px 20px;border-radius:var(--radius-card);}
  .join-form{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .level-card{padding:22px 18px;}
}
@media (max-width:519px){
  .hero h1{font-size:27px;}
  .section-head h2{font-size:22px;}
  .hero-badge{padding:10px 14px;}
  .hero-badge .num{font-size:20px;}
}

/* roulang page: article */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --focus:0 0 0 3px rgba(193,128,58,.38);
  --r-btn:8px;
  --r-card:12px;
  --r-lg:16px;
  --sh-1:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --sh-2:0 14px 34px -14px rgba(22,33,29,.28);
  --ease:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--accent)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
h1,h2,h3,h4{line-height:1.3;color:var(--ink);margin:0}
p{margin:0}
ul,ol{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.serif{font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif}

/* ---------- 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;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-ghost:active{background:var(--brand-soft)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-accent{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.link-accent:hover{color:var(--brand)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,244,238,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(22,33,29,.55)}
.header-inner{display:flex;align-items:center;gap:20px;height:70px;transition:height var(--ease)}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-seal{
  width:38px;height:38px;border-radius:8px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;flex-shrink:0;
}
.brand-name{font-size:19px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:block;padding:8px 9px;border-radius:6px;
  font-size:14px;color:var(--ink-2);white-space:nowrap;transition:all var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transition:left var(--ease),right var(--ease);
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a:hover::after{left:9px;right:9px}
.nav-links a[aria-current="page"]{color:var(--brand);font-weight:600}
.nav-links a[aria-current="page"]::after{left:9px;right:9px}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;
  border-radius:var(--r-btn);font-size:14px;color:var(--ink-2);transition:all var(--ease);
}
.mega-trigger:hover{background:var(--brand-soft);color:var(--brand)}
.mega-trigger[aria-expanded="true"]{background:var(--brand-soft);color:var(--brand)}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform var(--ease)}
.mega-trigger[aria-expanded="true"] .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  background:var(--surface);border-radius:var(--r-lg);border-top:2px solid var(--accent);
  box-shadow:var(--sh-2);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 196px;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all var(--ease);
}
.mega-wrap:hover .mega-panel,.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:10px}
.mega-col a{display:block;padding:8px 10px;margin:0 -10px;border-radius:6px;font-size:14px;color:var(--ink-2)}
.mega-col a:hover{background:var(--surface-2);color:var(--brand)}
.mega-card{
  display:flex;flex-direction:column;gap:10px;padding:12px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--paper);transition:all var(--ease);
}
.mega-card:hover{border-color:var(--brand-soft);box-shadow:var(--sh-1);color:var(--brand)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px}
.mega-card span{font-size:13px;line-height:1.5;font-weight:600;color:var(--ink)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:8px;border:1px solid var(--line);position:relative;background:var(--surface)}
.menu-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.menu-toggle span:nth-child(1){top:14px}
.menu-toggle span:nth-child(2){top:20px}
.menu-toggle span:nth-child(3){top:26px}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.nav-mask{position:fixed;inset:0;background:rgba(18,51,41,.45);opacity:0;visibility:hidden;transition:all var(--ease);z-index:75}
.nav-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--paper);
  z-index:80;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .24s ease;
  box-shadow:-24px 0 48px -28px rgba(0,0,0,.5);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-body{flex:1;overflow-y:auto;padding:8px 20px 20px}
.drawer-body a.drawer-link{
  display:flex;align-items:center;min-height:56px;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:color var(--ease);
}
.drawer-body a.drawer-link:hover,.drawer-body a.drawer-link:active{color:var(--brand)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:22px 0 16px}
.breadcrumb a{color:var(--brand)}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--ink-3);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding:6px 0 30px;border-bottom:1px solid var(--line)}
.article-hero-inner{max-width:840px}
.article-hero h1{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:clamp(24px,3.2vw,32px);line-height:1.35;letter-spacing:.01em;
  margin:16px 0 14px;
}
.badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--ink-3)}
.article-meta .meta-div{position:relative;padding-left:14px}
.article-meta .meta-div::before{content:"·";position:absolute;left:0;color:var(--ink-3)}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 0}
.article-shell{max-width:760px;margin:0 auto}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2);word-break:break-word}
.article-body p{margin:0 0 1.05em}
.article-body h2{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:24px;line-height:1.4;color:var(--ink);
  margin:44px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;color:var(--ink);margin:32px 0 12px}
.article-body h4{font-size:17px;color:var(--ink);margin:24px 0 10px}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.05em}
.article-body li{margin:8px 0}
.article-body ul li::marker{color:var(--brand)}
.article-body strong{color:var(--ink)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent);
  background:var(--surface-2);border-radius:0 8px 8px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th{background:var(--surface-2);text-align:left;padding:10px 14px;border:1px solid var(--line);color:var(--ink)}
.article-body td{padding:10px 14px;border:1px solid var(--line)}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,"Courier New",monospace;
  background:var(--surface-2);padding:2px 6px;border-radius:4px;font-size:.92em;color:var(--brand-deep);
}
.article-body pre{background:var(--brand-deep);color:#E9EFEA;padding:18px 20px;border-radius:var(--r-card);overflow-x:auto;margin:24px 0}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:var(--surface);
}
.empty-state .empty-mark{width:52px;height:52px;margin:0 auto 16px;border-radius:12px;border:1px solid var(--line);position:relative}
.empty-state .empty-mark::before{content:"";position:absolute;left:14px;right:14px;top:20px;height:2px;background:var(--line)}
.empty-state .empty-mark::after{content:"";position:absolute;left:14px;right:22px;top:30px;height:2px;background:var(--line)}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:14px}

/* ---------- 文末区 ---------- */
.article-foot{max-width:760px;margin:44px auto 0;padding-top:30px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.tag{display:inline-flex;padding:4px 12px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);font-size:13px}
.tag:hover{background:var(--brand-soft);color:var(--brand)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.join-card{
  margin-top:32px;padding:28px 32px;border-radius:var(--r-lg);
  background:var(--brand-soft);display:flex;flex-wrap:wrap;gap:18px;
  align-items:center;justify-content:space-between;
}
.join-card p{margin:0;font-size:15px;color:var(--brand-deep);max-width:52ch;line-height:1.75}
.join-card strong{display:block;font-size:17px;color:var(--brand-deep);margin-bottom:6px}

/* ---------- 板块 ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{
  font-family:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  font-size:clamp(22px,2.4vw,28px);position:relative;padding-left:14px;
}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--accent)}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:6px}
.section-head .more-link{font-size:14px;color:var(--accent);font-weight:600}
.section-head .more-link:hover{text-decoration:underline;text-underline-offset:3px}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;transition:all var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--brand-soft);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;line-height:1.7;color:var(--ink-2);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:12px;color:var(--ink-3)}
.card-meta .arrow{color:var(--accent);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(220,232,225,.5)}
.faq-item summary .plus{
  flex-shrink:0;width:22px;height:22px;position:relative;transition:transform var(--ease);
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-item summary .plus::before{left:0;right:0;top:10px;height:2px}
.faq-item summary .plus::after{top:0;bottom:0;left:10px;width:2px}
.faq-item[open] summary{background:var(--surface-2)}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:70ch}
.faq-a p{margin:0 0 .8em}
.faq-a p:last-child{margin-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E9EFEA;margin-top:88px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand-seal{background:var(--accent);color:var(--brand-deep)}
.site-footer .brand-name{color:#fff;font-size:18px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(233,239,234,.72);max-width:34ch}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 14px;letter-spacing:.04em}
.footer-col a{display:block;padding:7px 0;font-size:14px;color:rgba(233,239,234,.78);transition:color var(--ease)}
.footer-col a:hover{color:var(--accent-soft)}
.footer-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;gap:16px;
}
.footer-card p{font-size:14px;line-height:1.75;color:rgba(233,239,234,.84)}
.footer-card .btn-ghost{border-color:rgba(233,239,234,.38);color:#F6E8D4;align-self:flex-start}
.footer-card .btn-ghost:hover{background:rgba(246,232,212,.14);color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  font-size:13px;color:rgba(233,239,234,.6);
}
.dot-sep{letter-spacing:.02em}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links{display:none}
  .mega-wrap{display:none}
  .menu-toggle{display:block}
  .header-inner{gap:12px}
  .header-actions{margin-left:auto}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:56px 0 0}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-body h2{font-size:21px}
  .join-card{padding:24px}
}
@media (max-width:767px){
  .header-cta{display:none}
  .article-main{padding:32px 0 0}
  .article-hero h1{margin-top:14px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:20px;margin-top:34px}
  .article-body h3{font-size:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:48px;margin-top:64px}
  .foot-actions{flex-direction:column;align-items:stretch}
  .foot-actions .btn{width:100%}
  .join-card{flex-direction:column;align-items:stretch;text-align:left}
  .join-card .btn{width:100%}
  .section-head{align-items:flex-start}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .brand-name{font-size:17px}
  .brand-seal{width:34px;height:34px;font-size:16px}
  .header-inner{height:62px}
  .card-grid{grid-template-columns:1fr}
  .breadcrumb .current{max-width:100%}
  .section{padding:48px 0 0}
  .article-meta{font-size:12px;gap:10px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-1:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --shadow-2:0 14px 34px -14px rgba(22,33,29,.28);
  --focus:0 0 0 3px rgba(193,128,58,.38);
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC",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);
  font-family:var(--sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--accent)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1,h2{font-family:var(--serif);line-height:1.3;letter-spacing:.01em}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px}
.no-scroll{overflow:hidden}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
section[id]{scroll-margin-top:84px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-secondary:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#F2F6F3}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px;border-bottom:1px solid transparent;padding-bottom:2px}
.link-arrow:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(247,244,238,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease,background-color .18s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(22,33,29,.45);background:rgba(247,244,238,.98)}
.nav-inner{display:flex;align-items:center;gap:28px;height:70px;transition:height .18s ease}
.site-header.is-scrolled .nav-inner{height:62px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-seal{
  width:40px;height:40px;border-radius:6px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:0;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.18);
}
.brand-name{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:.02em}
.brand:hover .brand-name{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 12px;border-radius:6px;font-size:15px;color:var(--ink-2);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--brand);transition:width .18s ease,left .18s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a:hover::after{width:calc(100% - 24px);left:12px}
.nav-links a[aria-current="page"]{color:var(--brand);font-weight:600}
.nav-links a[aria-current="page"]::after{width:calc(100% - 24px);left:12px}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 12px;
  border-radius:6px;font-size:15px;color:var(--ink-2);transition:background-color .18s ease,color .18s ease;
}
.mega-trigger:hover{background:var(--brand-soft);color:var(--brand)}
.mega-trigger .caret{transition:transform .18s ease}
.mega-wrap.is-open .mega-trigger,.mega-wrap:hover .mega-trigger{background:var(--brand-soft);color:var(--brand)}
.mega-wrap.is-open .mega-trigger .caret,.mega-wrap:hover .mega-trigger .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:680px;
  background:var(--surface);border-radius:var(--radius-l);border-top:2px solid var(--accent);
  box-shadow:var(--shadow-2);padding:24px;
  display:grid;grid-template-columns:1fr 1fr 220px;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-group h4{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;margin-bottom:10px}
.mega-group a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--ink-2);line-height:1.5;
}
.mega-group a:hover{background:var(--surface-2);color:var(--brand)}
.mega-group .mini-dot{width:7px;height:7px;border-radius:2px;background:var(--accent);flex-shrink:0}
.mega-card{
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  display:flex;flex-direction:column;background:var(--paper);
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card .mega-card-body{padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.mega-card span{font-size:13px;font-weight:600;color:var(--ink)}
.mega-card em{font-style:normal;color:var(--accent);font-size:15px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:8px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,51,41,.45);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:var(--paper);
  z-index:95;padding:20px 20px 96px;overflow-y:auto;
  transform:translateX(102%);transition:transform .22s ease;
  border-left:1px solid var(--line);display:flex;flex-direction:column;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:8px;border:1px solid var(--line);background:var(--surface);font-size:18px;color:var(--ink-2);line-height:1}
.mobile-drawer nav{display:flex;flex-direction:column;margin-top:8px}
.mobile-drawer nav a{
  display:flex;align-items:center;min-height:56px;font-size:18px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer nav a[aria-current="page"]{color:var(--brand);font-weight:600}
.mobile-drawer .drawer-cta{
  position:fixed;left:0;right:0;bottom:0;padding:14px 20px 20px;background:var(--paper);
  border-top:1px solid var(--line);display:none;
}
.mobile-drawer.is-open .drawer-cta{display:block}
.mobile-drawer .drawer-cta .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding-top:22px;margin-bottom:16px}
.breadcrumb a{color:var(--brand)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--ink-3)}

/* ---------- 分类页头 ---------- */
.cat-hero{padding:8px 0 56px}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:999px;letter-spacing:.04em;
}
.cat-hero h1{
  font-size:clamp(26px,3.4vw,38px);margin:18px 0 16px;color:var(--ink);line-height:1.32;
}
.cat-hero h1 .hl{color:var(--brand)}
.cat-hero .lead{font-size:17px;color:var(--ink-2);max-width:56ch}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-points .tick{
  width:16px;height:16px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-media{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:16/10}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,51,41,.05),rgba(18,51,41,.42))}
.hero-badge{
  position:absolute;right:16px;bottom:16px;z-index:2;background:rgba(247,244,238,.95);
  color:var(--brand);font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;
  box-shadow:var(--shadow-1);
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,30px);color:var(--ink);margin-bottom:14px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:16px;background:var(--brand);border-radius:2px}
.section-head p{color:var(--ink-2);font-size:16px}

/* ---------- 阶梯 ---------- */
.ladder{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.ladder-step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px 18px 20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.ladder-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-soft)}
.ladder-step .num{
  display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;
  border-radius:6px;background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.ladder-step h3{font-size:17px;font-weight:600;margin:12px 0 8px;color:var(--ink);line-height:1.45}
.ladder-step p{font-size:14px;color:var(--ink-2);line-height:1.8}
@media(min-width:1024px){
  .ladder-step:not(:last-child)::after{
    content:"";position:absolute;top:36px;right:-18px;width:18px;height:2px;background:var(--line);
  }
}

/* ---------- 对比表 ---------- */
.table-note{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.table-note p{font-size:14px;color:var(--ink-3)}
.table-scroll{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);box-shadow:var(--shadow-1);
  scrollbar-width:thin;
}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{
  background:var(--surface-2);font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.compare-table thead th .th-sub{display:block;font-size:12px;font-weight:400;color:var(--ink-3);margin-top:2px}
.compare-table tbody tr:nth-child(even){background:#FBFAF7}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table .row-head{
  position:sticky;left:0;z-index:1;background:var(--surface);border-right:1px solid var(--line);
  font-weight:600;color:var(--ink);
}
.compare-table tbody tr:nth-child(even) .row-head{background:#FBFAF7}
.compare-table .col-rec{background:rgba(246,232,212,.5)}
.compare-table thead .col-rec{background:var(--accent-soft);color:var(--accent);position:relative}
.compare-table thead .col-rec::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent)}
.tag-rec{display:inline-block;margin-left:6px;font-size:11px;font-weight:600;color:#fff;background:var(--accent);padding:1px 7px;border-radius:999px;vertical-align:middle}
.cell-yes{color:var(--ok);font-weight:600}
.cell-no{color:var(--ink-3)}
.table-foot{margin-top:14px;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}

/* ---------- 双列说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:28px;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.note-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-2)}
.note-card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:6px;display:flex;align-items:center;gap:10px}
.note-card h3 .badge{
  font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);
  padding:3px 10px;border-radius:999px;
}
.note-card > p{font-size:14px;color:var(--ink-3);margin-bottom:16px}
.check-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.8}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:12px;border-radius:50%;
  background:var(--brand-soft);box-shadow:inset 0 0 0 3px var(--surface);
}
.check-list li strong{color:var(--ink);font-weight:600}

/* ---------- 侧栏式提示条 ---------- */
.hint-bar{
  margin-top:32px;background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:var(--radius-s);padding:16px 20px;font-size:15px;color:var(--brand-deep);
}
.hint-bar strong{color:var(--brand-deep)}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.stat b{display:block;font-size:26px;font-family:var(--serif);color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{display:block;font-size:13px;color:var(--ink-3);margin-top:6px}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:0 22px;transition:background-color .18s ease,border-color .18s ease;
}
.faq details[open]{background:var(--surface-2);border-color:var(--brand-soft)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px;
  padding:18px 0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq .plus{
  flex-shrink:0;width:20px;height:20px;margin-top:5px;position:relative;
  transition:transform .18s ease;
}
.faq .plus::before,.faq .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq .plus::before{width:14px;height:2px}
.faq .plus::after{width:2px;height:14px;transition:opacity .18s ease}
.faq details[open] .plus{transform:rotate(45deg)}
.faq details[open] .plus::after{opacity:0}
.faq .answer{padding:0 0 20px 32px;font-size:15px;color:var(--ink-2);max-width:70ch;line-height:1.9}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--brand);color:#EAF1EC;
  border-radius:var(--radius-l);padding:48px;box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:26px 26px;pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(22px,2.4vw,28px);color:#fff;margin-bottom:12px}
.cta-panel p{font-size:15px;color:rgba(240,246,242,.82);max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-list{list-style:none;display:flex;flex-direction:column;gap:12px;border-left:1px solid rgba(255,255,255,.16);padding-left:32px}
.cta-list li{font-size:14px;color:rgba(240,246,242,.9);position:relative;padding-left:20px;line-height:1.7}
.cta-list li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:2px;background:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E9EFEA;margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-seal{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 2px rgba(255,255,255,.16)}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:14px;color:rgba(233,239,234,.72);line-height:1.85;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{
  display:flex;align-items:center;min-height:34px;font-size:14px;color:rgba(233,239,234,.74);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-m);padding:22px;
}
.footer-card p{font-size:14px;color:rgba(233,239,234,.82);line-height:1.8;margin-bottom:16px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(233,239,234,.6);
}
.dot-sep{color:rgba(233,239,234,.6)}

/* ---------- 响应式 ---------- */
@media(max-width:1279px){
  .mega-panel{width:560px;grid-template-columns:1fr 1fr;gap:16px}
  .mega-card{display:none}
  .nav-inner{gap:18px}
  .nav-links a{padding:0 10px;font-size:14px}
}
@media(max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{aspect-ratio:16/9}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:28px}
  .cta-list{border-left:none;border-top:1px solid rgba(255,255,255,.16);padding-left:0;padding-top:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:900px){
  .nav-links{display:none}
  .mega-wrap{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .nav-inner{height:64px}
}
@media(max-width:639px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .site-footer{margin-top:64px;padding:44px 0 24px}
  .cat-hero{padding-bottom:40px}
  .cat-hero .lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .ladder{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .note-card{padding:22px}
  .cta-panel{padding:26px}
  .cta-actions .btn{width:100%}
  .faq summary{font-size:16px;padding:16px 0}
  .faq .answer{padding:0 0 18px 32px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .compare-table{min-width:640px}
}

/* roulang page: category3 */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --radius-btn:8px;
  --radius-card:12px;
  --radius-lg:16px;
  --shadow-1:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --shadow-2:0 14px 34px -14px rgba(22,33,29,.28);
  --focus:0 0 0 3px rgba(193,128,58,.38);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.85;
  color:var(--ink);background:var(--paper);
  font-variant-numeric:tabular-nums;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--accent-soft);color:var(--brand-deep)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:640px){.container{padding:0 18px}}

/* ---------- 按钮 ---------- */
.btn{
  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;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;border:1px solid var(--brand)}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-light{background:var(--surface);color:var(--brand-deep);border:1px solid var(--surface)}
.btn-light:hover{background:var(--accent-soft);border-color:var(--accent-soft);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--accent);
  font-size:15px;font-weight:600;text-decoration:underline;text-underline-offset:3px;
  transition:color .18s ease;
}
.link-more:hover{color:var(--brand-deep);text-decoration-thickness:2px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:var(--paper);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-seal{
  width:40px;height:40px;border-radius:8px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:20px;font-weight:700;letter-spacing:0;
}
.brand-name{font-size:19px;font-weight:600;color:var(--brand-deep);letter-spacing:.2px}
.nav-links{display:none}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:14px;margin-left:4px}
  .nav-links a{
    position:relative;padding:9px 2px;font-size:14px;font-weight:500;
    color:var(--ink-2);white-space:nowrap;transition:color .18s ease;
  }
  .nav-links a::after{
    content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
    background:var(--brand);transition:left .18s ease,right .18s ease;
  }
  .nav-links a:hover{color:var(--brand)}
  .nav-links a:hover::after{left:0;right:0}
  .nav-links a[aria-current="page"]{color:var(--brand);font-weight:600}
  .nav-links a[aria-current="page"]::after{left:0;right:0}
}
@media (min-width:1280px){
  .nav-links{gap:22px}
  .nav-links a{font-size:15px}
}
.nav-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative;display:none}
@media (min-width:1280px){.mega-wrap{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;
  border-radius:var(--radius-btn);font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease;
}
.mega-trigger:hover{background:var(--brand-soft);color:var(--brand)}
.mega-trigger[aria-expanded="true"]{background:var(--brand-soft);color:var(--brand)}
.chev{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .18s ease}
.mega-trigger[aria-expanded="true"] .chev{transform:rotate(225deg) translateY(-2px)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:680px;padding:22px;
  background:var(--surface);border:1px solid var(--line);border-top:2px solid var(--accent);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:1fr 1fr 214px;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:8px}
.mega-col a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--ink-2);transition:background-color .18s ease,color .18s ease;
}
.mega-col a:hover{background:var(--surface-2);color:var(--brand)}
.mega-dot{width:16px;height:16px;border-radius:5px;border:1.5px solid var(--brand-soft);background:var(--surface-2);flex-shrink:0}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  background:var(--paper);transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.mega-card:hover{border-color:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card span{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;font-size:13px;font-weight:600;color:var(--brand-deep)}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;border-radius:8px;border:1px solid var(--line)}
.nav-toggle span{display:block;height:2px;background:var(--brand-deep);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.mobile-drawer{
  position:fixed;inset:70px 0 0;background:var(--paper);z-index:115;
  padding:14px 24px 34px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer a.m-drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:56px;font-size:18px;color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-drawer-link[aria-current="page"]{color:var(--brand);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:22px}
.mobile-drawer .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 16px;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--brand)}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--ink-3)}

/* ---------- 页面头 ---------- */
.page-hero{
  padding:10px 0 76px;
  background:
    repeating-linear-gradient(0deg,rgba(27,75,63,.045) 0 1px,transparent 1px 28px),
    repeating-linear-gradient(90deg,rgba(27,75,63,.045) 0 1px,transparent 1px 28px),
    var(--paper);
}
.page-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.page-hero h1{
  font-family:var(--font-serif);font-weight:700;line-height:1.3;
  font-size:clamp(26px,3.4vw,38px);color:var(--brand-deep);
  margin:18px 0 0;letter-spacing:.2px;
}
.page-hero h1::before{
  content:"";display:block;width:44px;height:4px;background:var(--accent);
  border-radius:2px;margin-bottom:18px;
}
.lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:14px;color:var(--ink-2)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{
  content:"";width:15px;height:15px;flex-shrink:0;border-radius:50%;
  background:var(--brand-soft);
  border:1px solid var(--brand);
  box-shadow:inset 0 0 0 3px var(--paper);
}
.page-hero-media{position:relative}
.page-hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);border:1px solid var(--line);
}
.media-badge{
  position:absolute;right:-8px;bottom:-14px;display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:600;box-shadow:var(--shadow-1);
}
.media-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent-soft)}
@media (max-width:899px){
  .page-hero-grid{grid-template-columns:1fr;gap:34px}
  .page-hero{padding-bottom:60px}
  .media-badge{right:12px;bottom:-12px}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.tint{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);line-height:1.35;
  color:var(--brand-deep);margin-top:14px;position:relative;padding-left:16px;
}
.section-head.center h2{padding-left:0}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;
  background:var(--brand);border-radius:2px;
}
.section-head.center h2::before{display:none}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
@media (max-width:640px){.section{padding:52px 0}}

/* ---------- 数据条 ---------- */
.stats-band{margin-top:-38px;position:relative;z-index:5}
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-1);
}
.stat{background:var(--surface);padding:26px 28px}
.stat-num{font-family:var(--font-serif);font-size:32px;line-height:1.2;color:var(--brand);font-weight:700}
.stat-num small{font-size:15px;font-family:var(--font-sans);font-weight:600;margin-left:4px;color:var(--ink-2)}
.stat-label{margin-top:6px;font-size:14px;color:var(--ink-3)}
@media (max-width:768px){
  .stats{grid-template-columns:1fr}
  .stat{padding:20px 22px}
  .stat-num{font-size:26px}
}

/* ---------- 准备清单卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-4{grid-template-columns:1fr;gap:16px}}
.prep-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.prep-card:hover{border-color:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.prep-no{
  display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;
  border-radius:6px;background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;margin-bottom:14px;
}
.prep-card h3{font-size:17px;font-weight:600;color:var(--brand-deep);margin-bottom:8px}
.prep-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- 流程（左右交替） ---------- */
.flow{position:relative;margin-top:12px}
.flow::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:2px;
  background:var(--line);transform:translateX(-1px);
}
.flow-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:26px 0}
.flow-dot{
  position:absolute;left:50%;top:34px;transform:translateX(-50%);
  width:32px;height:32px;border-radius:50%;background:var(--surface);
  border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;z-index:2;box-shadow:0 0 0 5px var(--paper);
}
.section.tint .flow-dot{box-shadow:0 0 0 5px var(--surface-2)}
.flow-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.flow-body:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.flow-body h3{font-size:18px;font-weight:600;color:var(--brand-deep);margin-bottom:10px}
.flow-body p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.flow-body .flow-tag{
  display:inline-block;margin-top:14px;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
}
.flow-side{
  align-self:center;font-size:14px;color:var(--ink-3);
  display:flex;flex-direction:column;gap:8px;
}
.flow-side strong{color:var(--brand);font-size:15px}
.flow-side ul{display:flex;flex-direction:column;gap:6px}
.flow-side li{padding-left:14px;position:relative}
.flow-side li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);opacity:.8;
}
.flow-item:nth-child(odd) .flow-body{grid-column:1}
.flow-item:nth-child(odd) .flow-side{grid-column:2}
.flow-item:nth-child(even) .flow-body{grid-column:2}
.flow-item:nth-child(even) .flow-side{grid-column:1;text-align:right;align-items:flex-end}
.flow-item:nth-child(even) .flow-side li{padding-left:0;padding-right:14px}
.flow-item:nth-child(even) .flow-side li::before{left:auto;right:0}
@media (max-width:899px){
  .flow::before{left:16px;top:0;bottom:0}
  .flow-item{grid-template-columns:1fr;gap:14px;padding:18px 0 18px 48px}
  .flow-dot{left:16px;top:22px;width:26px;height:26px;font-size:11px;box-shadow:0 0 0 4px var(--paper)}
  .section.tint .flow-dot{box-shadow:0 0 0 4px var(--surface-2)}
  .flow-item:nth-child(odd) .flow-body,
  .flow-item:nth-child(even) .flow-body{grid-column:1}
  .flow-item:nth-child(odd) .flow-side,
  .flow-item:nth-child(even) .flow-side{grid-column:1;text-align:left;align-items:flex-start}
  .flow-item:nth-child(even) .flow-side li{padding-left:14px;padding-right:0}
  .flow-item:nth-child(even) .flow-side li::before{left:0;right:auto}
}
.flow-note{
  margin-top:34px;background:var(--brand-soft);border-radius:var(--radius-card);
  padding:20px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;
  border-left:4px solid var(--brand);
}
.flow-note p{font-size:15px;color:var(--brand-deep);flex:1 1 320px}

/* ---------- 角色权限 ---------- */
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:960px){.role-grid{grid-template-columns:1fr}}
.role-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.role-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.role-card.featured{background:var(--brand);border-color:var(--brand);color:#E9EFEA}
.role-card.featured h3,.role-card.featured .role-tag{color:#fff}
.role-card.featured .role-list li{color:#D7E4DC;border-color:rgba(255,255,255,.14)}
.role-card.featured .role-list li::before{background:var(--accent-soft)}
.role-tag{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--accent)}
.role-card h3{font-size:19px;font-weight:600;color:var(--brand-deep)}
.role-desc{font-size:14px;line-height:1.8;color:var(--ink-2)}
.role-card.featured .role-desc{color:#C8D9D0}
.role-list{display:flex;flex-direction:column;gap:0;margin-top:auto}
.role-list li{
  font-size:14px;color:var(--ink-2);padding:9px 0 9px 20px;position:relative;
  border-bottom:1px solid var(--line);
}
.role-list li:last-child{border-bottom:0}
.role-list li::before{
  content:"";position:absolute;left:0;top:1.05em;width:8px;height:8px;border-radius:2px;
  background:var(--brand-soft);border:1px solid var(--brand);
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:960px){.scene-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.scene-grid{grid-template-columns:1fr}}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.scene-card:hover{border-color:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.scene-media{overflow:hidden;background:var(--surface-2)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  align-self:flex-start;padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
}
.scene-body h3{font-size:17px;font-weight:600;color:var(--brand-deep);line-height:1.5}
.scene-body p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--brand-deep);
  cursor:pointer;list-style:none;transition:background-color .18s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"+";flex-shrink:0;width:22px;text-align:center;
  color:var(--accent);font-size:20px;line-height:1.2;font-weight:700;
  transition:transform .18s ease;
}
.faq details[open] summary{background:var(--surface-2)}
.faq details[open] summary::before{content:"−";transform:rotate(0deg)}
.faq summary:hover{background:rgba(220,232,225,.55)}
.faq .faq-answer{padding:0 22px 20px 58px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:74ch}
@media (max-width:600px){
  .faq summary{font-size:16px;padding:16px 18px}
  .faq .faq-answer{padding:0 18px 18px 50px}
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand);color:#E9EFEA;border-radius:var(--radius-lg);
  padding:46px 44px;display:grid;grid-template-columns:1fr 420px;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
  pointer-events:none;
}
.cta-copy{position:relative}
.cta-copy h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:#fff}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.85;color:#C8D9D0;max-width:52ch}
.cta-copy ul{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:#D7E4DC}
.cta-copy ul li{display:flex;align-items:center;gap:8px}
.cta-copy ul li::before{
  content:"";width:12px;height:12px;border-radius:3px;background:var(--accent-soft);
}
.cta-form{
  position:relative;background:var(--surface);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-2);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--brand-deep);margin-bottom:7px}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{border-color:var(--brand);box-shadow:var(--focus);outline:none}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--ink-2);margin-bottom:18px}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex-shrink:0}
.cta-form .btn{width:100%}
.form-hint{margin-top:12px;font-size:12px;color:var(--ink-3);line-height:1.7}
@media (max-width:1000px){
  .cta-band{grid-template-columns:1fr;padding:34px 26px;gap:28px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E9EFEA;padding:64px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-seal{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:#B9CCC3;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{
  display:block;min-height:44px;line-height:44px;font-size:14px;color:#C2D3CA;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);padding:20px;
}
.footer-card p{font-size:14px;line-height:1.8;color:#CFDED6;margin-bottom:16px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#A9BDB3;
}
.dot-sep::before{content:"·";margin-right:8px;color:#7F978C}
@media (max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:600px){
  .site-footer{padding:44px 0 18px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-col a{min-height:44px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --shadow-1:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --shadow-2:0 14px 34px -14px rgba(22,33,29,.28);
  --focus:0 0 0 3px rgba(193,128,58,.38);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  --tr:.18s ease;
  --header-h:70px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -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;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,textarea:focus-visible{
  outline:none;
  box-shadow:var(--focus);
  border-radius:6px;
}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:16px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr),background-color var(--tr);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:0 8px 24px -18px rgba(22,33,29,.55);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-seal{
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:600;
  letter-spacing:0;
  box-shadow:0 6px 16px -10px rgba(27,75,63,.9);
}
.brand-name{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  flex-wrap:nowrap;
  overflow:visible;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
  border-radius:var(--radius-s);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--tr);
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a[aria-current="page"]{
  color:var(--brand);
  font-weight:600;
}
.nav-links a[aria-current="page"]::after{transform:scaleX(1);}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:38px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  background:transparent;
  color:var(--ink-2);
  font-size:14px;
  transition:all var(--tr);
}
.mega-toggle:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft);}
.mega-toggle .caret{
  width:7px;height:7px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
  transition:transform var(--tr);
}
.mega-toggle[aria-expanded="true"]{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft);}
.mega-toggle[aria-expanded="true"] .caret{transform:rotate(-135deg) translateY(-1px);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:560px;
  background:var(--surface);
  border:1px solid var(--line);
  border-top:2px solid var(--accent);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);
  padding:22px;
  display:none;
  grid-template-columns:1fr 220px;
  gap:20px;
}
.mega-panel.is-open{display:grid;}
.mega-cols{display:flex;flex-direction:column;gap:2px;}
.mega-cols a{
  display:block;
  padding:11px 12px;
  border-radius:var(--radius-s);
  font-size:15px;
  color:var(--ink-2);
}
.mega-cols a:hover{background:var(--surface-2);color:var(--brand);}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  background:var(--paper);
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--tr);}
.mega-card span{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:12px 14px;
  font-size:14px;
  color:var(--ink-2);
}
.mega-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-1);}
.mega-card:hover img{transform:scale(1.03);}
.mega-card:hover span{color:var(--brand);}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  background:transparent;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:12px;
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform var(--tr),opacity var(--tr),top var(--tr);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:var(--header-h) 0 0 0;
  background:var(--paper);
  z-index:75;
  padding:20px 18px 28px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;}
.mobile-drawer nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  padding:0 4px;
  font-size:18px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer nav a[aria-current="page"]{color:var(--brand);font-weight:600;}
.mobile-drawer .btn{margin-top:24px;}
body.no-scroll{overflow:hidden;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-s);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:all var(--tr);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:disabled{opacity:.55;cursor:not-allowed;}
.btn-light{background:var(--accent);color:#fff;}
.btn-light:hover{background:#a96c2c;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-weight:600;
  font-size:15px;
  text-decoration:underline;
  text-underline-offset:3px;
}
.btn-link:hover{color:#a96c2c;font-weight:700;}

/* ============ 面包屑 ============ */
.crumbs{
  padding-top:20px;
  padding-bottom:16px;
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--brand);}
.crumbs a:hover{text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:var(--ink-3);}
.crumbs .current{color:var(--ink-3);}

/* ============ Hero ============ */
.page-hero{
  padding-bottom:8px;
}
.hero-panel{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:44px;
  box-shadow:var(--shadow-1);
  position:relative;
  overflow:hidden;
}
.hero-panel::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--accent);
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.hero-panel h1{
  font-family:var(--font-serif);
  font-size:clamp(26px,3.4vw,38px);
  line-height:1.3;
  margin-top:16px;
  letter-spacing:.01em;
}
.hero-panel .hero-lead{
  margin-top:16px;
  color:var(--ink-2);
  font-size:16.5px;
  max-width:34em;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  margin-top:22px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.hero-points span{display:inline-flex;align-items:center;gap:7px;}
.hero-points span::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--ok);
}
.hero-figure{
  position:relative;
  border-radius:var(--radius-m);
  overflow:hidden;
  border:1px solid var(--line);
}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform var(--tr);
}
.hero-figure:hover img{transform:scale(1.02);}
.hero-figure figcaption{
  position:absolute;
  left:14px;
  bottom:14px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(18,51,41,.86);
  color:#E9EFEA;
  font-size:12.5px;
  letter-spacing:.02em;
}

/* ============ 通用板块 ============ */
.section{
  padding:88px 0;
  scroll-margin-top:84px;
}
.section.band{background:var(--surface-2);}
.section-head{
  max-width:720px;
  margin-bottom:40px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:.06em;
}
.section-kicker::before{
  content:"";
  width:4px;height:16px;
  background:var(--accent);
  border-radius:2px;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  margin-top:12px;
}
.section-head p{
  margin-top:12px;
  color:var(--ink-2);
  font-size:16px;
}

/* ============ 侧栏 + 主区 ============ */
.layout-aside{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:calc(var(--header-h) + 26px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
}
.anchor-nav .anchor-title{
  font-size:13px;
  font-weight:700;
  color:var(--ink-3);
  letter-spacing:.08em;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.anchor-nav a{
  display:block;
  padding:10px 2px;
  font-size:15px;
  color:var(--ink-2);
  border-bottom:1px dashed transparent;
}
.anchor-nav a:first-of-type{margin-top:8px;}
.anchor-nav a:hover{color:var(--brand);border-bottom-color:var(--brand-soft);}
.anchor-nav .anchor-note{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
  line-height:1.75;
}

/* ============ 等级卡片 ============ */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.tier-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:26px 24px 24px;
  box-shadow:var(--shadow-1);
  transition:all var(--tr);
  display:flex;
  flex-direction:column;
}
.tier-card:hover{
  transform:translateY(-2px);
  border-color:var(--brand-soft);
  box-shadow:var(--shadow-2);
}
.tier-num{
  width:28px;height:28px;
  border-radius:6px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.tier-card h3{
  font-size:20px;
  margin-top:14px;
  font-weight:600;
}
.tier-card .tier-desc{
  margin-top:8px;
  font-size:14.5px;
  color:var(--ink-2);
}
.tier-list{
  margin-top:18px;
  display:flex;
  flex-direction:column;
  gap:9px;
  font-size:14.5px;
  color:var(--ink-2);
}
.tier-list li{
  display:flex;
  gap:9px;
  align-items:flex-start;
}
.tier-list li::before{
  content:"";
  flex-shrink:0;
  width:13px;height:13px;
  margin-top:6px;
  border-radius:3px;
  background:var(--brand-soft);
  border:1px solid var(--brand);
  position:relative;
}
.tier-list li::after{
  content:"";
  position:absolute;
}
.tier-card .tier-foot{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.tier-price{
  font-size:13px;
  color:var(--ink-3);
}
.tier-card.featured{
  background:var(--brand);
  border-color:var(--brand);
  color:#EDF4F0;
}
.tier-card.featured h3,.tier-card.featured .tier-price{color:#fff;}
.tier-card.featured .tier-desc,.tier-card.featured .tier-list{color:#D6E4DD;}
.tier-card.featured .tier-num{background:rgba(255,255,255,.16);color:#F6E8D4;}
.tier-card.featured .tier-list li::before{background:rgba(255,255,255,.14);border-color:#9FC4B2;}
.tier-card.featured .tier-foot{border-top-color:rgba(255,255,255,.18);}
.tier-flag{
  position:absolute;
  top:-11px;
  right:20px;
  padding:3px 12px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
}

/* ============ 权益说明卡片 ============ */
.benefit-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.benefit-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px;
  transition:all var(--tr);
}
.benefit-card:hover{
  border-color:var(--brand-soft);
  transform:translateY(-2px);
  box-shadow:var(--shadow-1);
}
.benefit-card .badge{
  display:inline-block;
  padding:3px 10px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}
.benefit-card h3{
  font-size:17px;
  margin-top:12px;
  font-weight:600;
}
.benefit-card p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.8;
}
.benefit-card .level-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:14px;
}
.level-tags span{
  font-size:12px;
  color:var(--ink-3);
  border:1px solid var(--line);
  border-radius:999px;
  padding:2px 10px;
  font-variant-numeric:tabular-nums;
}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:26px 22px;
  counter-increment:step;
}
.step::before{
  content:counter(step,decimal-leading-zero);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:8px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px;margin-top:14px;font-weight:600;}
.step p{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.8;}

/* ============ 场景图文 ============ */
.scene-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
}
.scene-figure{
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.scene-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform var(--tr);
}
.scene-figure:hover img{transform:scale(1.03);}
.scene-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.scene-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  transition:all var(--tr);
}
.scene-item:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-1);}
.scene-item .mark{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:6px;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
}
.scene-item h3{font-size:16px;font-weight:600;}
.scene-item p{font-size:14px;color:var(--ink-2);margin-top:4px;line-height:1.8;}

/* ============ FAQ ============ */
.faq-group + .faq-group{margin-top:34px;}
.faq-group h3{
  font-size:16px;
  font-weight:600;
  color:var(--brand);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.faq-group h3::before{
  content:"";
  width:4px;height:16px;
  background:var(--brand);
  border-radius:2px;
}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  transition:background-color var(--tr);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex-shrink:0;
  width:24px;height:24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:16px;
  font-weight:400;
  transition:all var(--tr);
}
.faq-item summary:hover{background:rgba(220,232,225,.4);}
.faq-item[open] summary{background:var(--surface-2);}
.faq-item[open] summary::after{
  content:"−";
  transform:rotate(180deg);
  border-color:var(--brand);
}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:70ch;
}

/* ============ CTA ============ */
.cta-panel{
  background:var(--brand);
  color:#E9EFEA;
  border-radius:var(--radius-l);
  padding:48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  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-panel > *{position:relative;z-index:1;}
.cta-panel h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.5vw,30px);
  line-height:1.35;
  color:#fff;
}
.cta-panel p{
  margin-top:14px;
  font-size:15.5px;
  color:#CFE0D7;
  max-width:36em;
}
.cta-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:22px;
  font-size:14px;
  color:#B9D2C7;
}
.cta-meta span{display:inline-flex;align-items:center;gap:8px;}
.cta-meta span::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
}
.join-form{
  background:rgba(255,255,255,.96);
  border-radius:var(--radius-m);
  padding:26px;
  color:var(--ink);
}
.field + .field{margin-top:14px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:6px;
}
.field input{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  background:#fff;
  color:var(--ink);
  transition:all var(--tr);
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus{
  border-color:var(--brand);
  outline:none;
  box-shadow:var(--focus);
}
.field input:disabled{background:var(--surface-2);cursor:not-allowed;}
.agree{
  display:flex;
  gap:9px;
  align-items:flex-start;
  margin-top:16px;
  font-size:13px;
  color:var(--ink-2);
  line-height:1.7;
}
.agree input{
  width:16px;height:16px;
  margin-top:4px;
  accent-color:var(--brand);
  flex-shrink:0;
}
.agree a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.join-form .btn{margin-top:18px;}
.form-hint{
  margin-top:10px;
  font-size:12.5px;
  color:var(--ink-3);
}

/* ============ 返回入口 ============ */
.page-exits{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
  padding:56px 0 0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:#E9EFEA;
  margin-top:96px;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-brand .brand-seal{
  background:#1B4B3F;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:none;
}
.footer-brand .brand-name{color:#fff;}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#AFC7BC;
  max-width:26em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.04em;
  margin-bottom:14px;
}
.footer-col a{
  display:flex;
  align-items:center;
  min-height:44px;
  font-size:14px;
  color:#BFD4C9;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-col a:last-child{border-bottom:none;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-m);
  padding:22px;
}
.footer-card p{
  font-size:14px;
  line-height:1.85;
  color:#CFE0D7;
}
.footer-card .btn{margin-top:16px;}
.footer-card .btn-ghost{
  border-color:rgba(255,255,255,.4);
  color:#fff;
}
.footer-card .btn-ghost:hover{background:rgba(255,255,255,.14);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:#9BB5A8;
}
.dot-sep{color:#9BB5A8;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .mega-panel{width:520px;}
  .nav-links a{padding:10px 9px;font-size:14.5px;}
}
@media (max-width:1100px){
  .nav-links{gap:0;}
  .nav-links a{padding:10px 8px;font-size:14px;}
  .layout-aside{grid-template-columns:210px minmax(0,1fr);gap:32px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .mega-wrap{display:none;}
  .nav-toggle{display:inline-block;}
  .header-actions .btn-sm{display:none;}
  .hero-panel{grid-template-columns:1fr;gap:30px;padding:32px;}
  .hero-figure img{aspect-ratio:16/9;}
  .section{padding:64px 0;}
  .layout-aside{grid-template-columns:1fr;gap:24px;}
  .anchor-nav{
    position:static;
    padding:16px 18px;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    align-items:center;
  }
  .anchor-nav .anchor-title{
    width:100%;
    padding-bottom:10px;
    margin-bottom:4px;
  }
  .anchor-nav a{
    padding:6px 12px;
    border:1px solid var(--line);
    border-radius:999px;
    font-size:13.5px;
    min-height:36px;
    display:inline-flex;
    align-items:center;
  }
  .anchor-nav a:first-of-type{margin-top:0;}
  .anchor-nav .anchor-note{display:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-split{grid-template-columns:1fr;gap:28px;}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:72px;padding:48px 0 24px;}
}
@media (max-width:899px){
  .mega-panel{display:none !important;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .tier-grid,.benefit-grid{grid-template-columns:1fr;}
  .hero-panel{padding:26px 22px;}
  .hero-cta .btn{width:100%;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .page-exits{flex-direction:column;padding-top:44px;}
  .page-exits .btn{width:100%;}
  .cta-panel{padding:26px 20px;}
  .join-form{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .steps{grid-template-columns:1fr;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .crumbs{padding-top:16px;}
  .brand-name{font-size:17px;}
}
@media (max-width:520px){
  .hero-panel h1{font-size:24px;}
  .tier-card{padding:22px 18px;}
  .benefit-card{padding:20px 18px;}
  .hero-figure figcaption{font-size:12px;left:10px;bottom:10px;}
  .footer-card{padding:18px;}
}

/* roulang page: category4 */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --radius-btn:8px;
  --radius-card:12px;
  --radius-lg:16px;
  --shadow:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --shadow-hover:0 14px 34px -14px rgba(22,33,29,.28);
  --font-body:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-title:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
  --container:1200px;
  --t:.18s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,button,textarea{font-size:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(193,128,58,.38);border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
section[id]{scroll-margin-top:88px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn-primary:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--brand-deep);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand-soft);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  color:var(--accent);
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.text-link:hover{color:var(--brand-deep);text-decoration-thickness:2px;}
.badge{
  display:inline-block;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  padding:3px 10px;
  border-radius:999px;
  line-height:1.6;
}
.badge-accent{background:var(--accent-soft);color:#8C5A22;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--accent);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:4px;height:16px;background:var(--accent);border-radius:2px;}
.section-title{
  font-family:var(--font-title);
  font-size:clamp(24px,2.8vw,32px);
  line-height:1.3;
  color:var(--brand-deep);
  font-weight:700;
  letter-spacing:.01em;
}
.section-sub{
  margin-top:12px;
  color:var(--ink-2);
  font-size:16px;
  max-width:62ch;
}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:44px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:70px;
  transition:height var(--t);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--brand-deep);}
.brand:hover{color:var(--brand-deep);}
.brand-seal{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);
  color:#fff;
  border-radius:8px;
  font-family:var(--font-title);
  font-size:20px;
  font-weight:700;
  letter-spacing:0;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.22);
}
.brand-name{
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:6px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--brand);background:rgba(220,232,225,.5);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-deep);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;
  background:transparent;border:1px solid var(--line);
  border-radius:999px;color:var(--ink-2);font-size:14px;font-weight:600;
  cursor:pointer;transition:var(--t);
}
.mega-trigger:hover,.mega-wrap.is-open .mega-trigger{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-deep);}
.mega-trigger .chev{
  width:8px;height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform var(--t);
}
.mega-wrap.is-open .mega-trigger .chev{transform:rotate(225deg) translateY(-2px);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:600px;
  background:var(--surface);
  border-radius:var(--radius-lg);
  border-top:2px solid var(--accent);
  box-shadow:0 20px 48px -22px rgba(22,33,29,.4);
  padding:22px;
  display:grid;
  grid-template-columns:1fr 1fr 220px;
  gap:20px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h5{
  margin:0 0 10px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-3);
  font-weight:600;
}
.mega-col a{
  display:block;
  padding:8px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--ink-2);
}
.mega-col a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
  transition:var(--t);
}
.mega-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow);transform:translateY(-2px);}
.mega-card img{width:100%;height:118px;object-fit:cover;}
.mega-card span{display:block;padding:10px 12px;font-size:13px;font-weight:600;color:var(--brand-deep);}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--surface);
  cursor:pointer;
  position:relative;
}
.menu-toggle span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--brand-deep);border-radius:2px;
  transition:var(--t);
}
.menu-toggle span:nth-child(1){top:14px;}
.menu-toggle span:nth-child(2){top:20px;}
.menu-toggle span:nth-child(3){top:26px;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){top:20px;transform:rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){top:20px;transform:rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:none;
  flex-direction:column;
  background:var(--paper);
  padding:18px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:42px;height:42px;border:1px solid var(--line);background:var(--surface);border-radius:8px;
  font-size:20px;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:56px;
  font-size:18px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,51,41,.42);z-index:70;display:none;
}
.drawer-mask.is-open{display:block;}

/* ---------- 面包屑 ---------- */
.crumb{
  padding-top:22px;
  padding-bottom:4px;
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumb a{color:var(--brand);}
.crumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--ink-3);}

/* ---------- Hero ---------- */
.hero{
  padding:28px 0 76px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-family:var(--font-title);
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  color:var(--brand-deep);
  letter-spacing:.01em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  color:var(--ink-2);
  max-width:52ch;
  margin-bottom:26px;
}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  margin-top:22px;
  font-size:14px;
  color:var(--ink-2);
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust span::before{
  content:"";
  width:14px;height:14px;
  border-radius:50%;
  background:var(--brand-soft);
  border:1px solid var(--brand);
  box-shadow:inset 0 0 0 2px #fff;
  flex:none;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(27,75,63,.10),rgba(18,51,41,.26));
  pointer-events:none;
}
.hero-tag{
  position:absolute;
  right:16px;bottom:16px;
  z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  padding:7px 14px;
  border-radius:999px;
  box-shadow:var(--shadow);
}

/* 快速查询框 */
.search-box{
  display:flex;
  gap:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:10px;
  box-shadow:var(--shadow);
  max-width:560px;
}
.search-box label{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  border:none;
  background:transparent;
  padding:0 12px;
  font-size:15px;
  color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{outline:none;box-shadow:none;}
.search-box .btn{flex:none;}
.search-hint{margin-top:10px;font-size:13px;color:var(--ink-3);}

/* ---------- 数据/要点卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:var(--t);
}
.point-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.num-plate{
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);
  color:#8C5A22;
  border-radius:6px;
  font-size:13px;
  font-weight:700;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.point-card h3{font-size:17px;font-weight:700;color:var(--brand-deep);margin-bottom:8px;}
.point-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-family:var(--font-title);
  font-size:22px;
  font-weight:700;
  color:var(--accent);
  margin-bottom:10px;
  letter-spacing:.02em;
}
.step h3{font-size:17px;color:var(--brand-deep);margin-bottom:8px;font-weight:700;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.step-line{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:28px;
  color:var(--ink-3);
  font-size:14px;
}
.step-line::before{content:"";width:40px;height:2px;background:var(--accent);border-radius:2px;}

/* ---------- FAQ 手风琴 ---------- */
.faq-group{margin-bottom:40px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{
  display:flex;
  align-items:baseline;
  gap:12px;
  margin-bottom:16px;
}
.faq-group-head h3{
  font-family:var(--font-title);
  font-size:21px;
  color:var(--brand-deep);
  font-weight:700;
}
.faq-group-head span{font-size:13px;color:var(--ink-3);}
.acc{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.acc details + details{border-top:1px solid var(--line);}
.acc summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:background var(--t);
}
.acc summary::-webkit-details-marker{display:none;}
.acc summary:hover{background:rgba(220,232,225,.42);}
.acc summary::after{
  content:"+";
  flex:none;
  display:inline-block;
  font-size:20px;
  line-height:1;
  color:var(--accent);
  transition:transform var(--t),color var(--t);
}
.acc details[open] summary{background:var(--surface-2);color:var(--brand-deep);}
.acc details[open] summary::after{transform:rotate(45deg);color:var(--brand);}
.acc-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:72ch;
}
.acc-body strong{color:var(--brand-deep);}
.acc-body ul{margin-top:10px;}
.acc-body li{
  position:relative;
  padding-left:18px;
  margin-bottom:6px;
}
.acc-body li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
}

/* ---------- 入口卡 ---------- */
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:var(--t);
  height:100%;
}
.entry-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.entry-card .thumb{overflow:hidden;background:var(--surface-2);}
.entry-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform var(--t);
}
.entry-card:hover img{transform:scale(1.03);}
.entry-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:17px;font-weight:700;color:var(--brand-deep);}
.entry-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.entry-more{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.entry-more::after{content:"›";font-size:18px;line-height:1;}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--brand-soft);
  border-radius:var(--radius-card);
  padding:24px 26px;
  margin-top:40px;
}
.notice .mark{
  flex:none;
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);
  color:#fff;
  border-radius:8px;
  font-size:15px;
  font-weight:700;
}
.notice h3{font-size:16px;color:var(--brand-deep);margin-bottom:6px;}
.notice p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--brand);
  border-radius:var(--radius-lg);
  padding:48px;
  color:#E9EFEA;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.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:28px 28px;
  pointer-events:none;
}
.cta-band h2{
  font-family:var(--font-title);
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  color:#fff;
  margin-bottom:12px;
}
.cta-band p{font-size:15px;color:rgba(233,239,234,.86);max-width:46ch;}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:1;
  justify-content:flex-end;
}
.cta-actions .btn-primary{background:#fff;color:var(--brand-deep);}
.cta-actions .btn-primary:hover{background:var(--accent-soft);color:var(--brand-deep);}
.cta-actions .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:#E9EFEA;
  margin-top:88px;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-seal{background:#fff;color:var(--brand-deep);box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:18px;}
.footer-desc{font-size:14px;color:rgba(233,239,234,.72);line-height:1.8;max-width:34ch;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  padding:6px 0;
  min-height:32px;
  font-size:14px;
  color:rgba(233,239,234,.76);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  padding:20px;
}
.footer-card p{font-size:14px;color:rgba(233,239,234,.84);line-height:1.8;margin-bottom:14px;}
.footer-card .btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.footer-card .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:rgba(233,239,234,.62);
}
.dot-sep{font-variant-numeric:tabular-nums;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .nav-links a{padding:0 9px;font-size:14px;}
  .mega-panel{width:540px;grid-template-columns:1fr 1fr 200px;}
}
@media (max-width:1023px){
  .nav-links,.mega-wrap{display:none;}
  .menu-toggle{display:block;}
  .header-inner{height:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero{padding-bottom:56px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .site-footer{margin-top:64px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .brand-name{font-size:17px;}
  .brand-seal{width:36px;height:36px;font-size:18px;}
  .grid-4,.grid-3,.grid-2,.steps{grid-template-columns:1fr;}
  .hero h1{font-size:clamp(25px,7vw,32px);}
  .hero-lead{font-size:15px;}
  .search-box{flex-direction:column;}
  .search-box input{height:42px;}
  .search-box .btn{width:100%;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .point-card,.step,.entry-body{padding:20px;}
  .acc summary{padding:16px 18px;font-size:15px;}
  .acc-body{padding:0 18px 18px;font-size:14px;}
  .cta-band{padding:28px 22px;border-radius:var(--radius-card);}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:44px 0 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .notice{flex-direction:column;padding:20px;}
  .faq-group-head{flex-direction:column;gap:4px;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category5 */
:root{
  --brand:#1B4B3F;
  --brand-deep:#123329;
  --brand-soft:#DCE8E1;
  --accent:#C1803A;
  --accent-soft:#F6E8D4;
  --ink:#16211D;
  --ink-2:#3A4A45;
  --ink-3:#74837D;
  --paper:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EDF1EC;
  --line:#DCD7CC;
  --ok:#2E7D5B;
  --warn:#B4552D;
  --r-btn:8px;
  --r-card:12px;
  --r-lg:16px;
  --shadow-1:0 1px 2px rgba(22,33,29,.06),0 10px 26px -14px rgba(22,33,29,.18);
  --shadow-2:0 14px 34px -14px rgba(22,33,29,.28);
  --focus:0 0 0 3px rgba(193,128,58,.38);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
section{scroll-margin-top:96px}

/* ---------- 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;line-height:1;
  cursor:pointer;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{flex:0 0 auto;transition:transform .18s ease}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,238,.95);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(22,33,29,.35)}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-seal{
  width:40px;height:40px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:600;letter-spacing:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-name{font-size:19px;font-weight:600;color:var(--brand-deep);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 11px;font-size:15px;
  color:var(--ink-2);border-radius:6px;transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--brand);font-weight:600}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.more-toggle{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;
  background:transparent;border:1px solid transparent;border-radius:var(--r-btn);
  color:var(--ink-2);font-size:15px;cursor:pointer;transition:background .18s ease,color .18s ease;
}
.more-toggle:hover,.more-toggle[aria-expanded="true"]{background:var(--brand-soft);color:var(--brand-deep)}
.more-toggle svg{transition:transform .18s ease}
.more-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);cursor:pointer;padding:0;place-items:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-deep);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.menu-toggle span+span{margin-top:4px}

/* Mega 面板 */
.mega-panel{
  position:absolute;top:calc(100% + 8px);
  right:max(24px, calc((100% - 1200px) / 2 + 32px));
  width:680px;max-width:calc(100vw - 48px);
  background:var(--surface);border-radius:var(--r-lg);
  border:1px solid var(--line);border-top:2px solid var(--accent);
  box-shadow:var(--shadow-2);
  padding:22px;display:none;grid-template-columns:1fr 1fr 220px;gap:20px;
}
.mega-panel.is-open{display:grid}
.mega-col h4{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.5px;margin-bottom:10px}
.mega-col a{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;
  font-size:14px;color:var(--ink-2);transition:background .18s ease,color .18s ease;
}
.mega-col a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.mega-col a i{width:6px;height:6px;border-radius:2px;background:var(--accent);flex:0 0 auto}
.mega-card{display:block;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);transition:box-shadow .18s ease,transform .18s ease}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card span{display:block;padding:10px 12px;font-size:14px;font-weight:600;color:var(--brand-deep);background:var(--surface-2)}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding-top:20px;margin-bottom:18px}
.crumbs a{color:var(--brand)}
.crumbs a:hover{text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:var(--ink-3)}
.crumbs .current{color:var(--ink-3)}

/* ---------- Hero ---------- */
.hero{padding:8px 0 76px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
  letter-spacing:.4px;margin-bottom:18px;
}
.hero h1{
  font-family:var(--font-serif);
  font-size:clamp(28px,3.6vw,42px);line-height:1.28;color:var(--brand-deep);
  letter-spacing:.5px;margin-bottom:18px;
}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:36em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--ink-2)}
.hero-points li{display:flex;align-items:center;gap:7px}
.hero-points li::before{
  content:"";width:14px;height:14px;border-radius:50%;
  background:var(--brand-soft);border:1px solid #bfd5ca;
  background-image:linear-gradient(var(--ok),var(--ok));
  background-size:7px 2px;background-repeat:no-repeat;background-position:center;
  flex:0 0 auto;
}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,75,63,.05),rgba(18,51,41,.22));
  pointer-events:none;
}
.hero-badge{
  position:absolute;right:14px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.95);color:var(--brand-deep);
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  color:var(--accent);letter-spacing:1px;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.section-head h2{
  font-family:var(--font-serif);font-size:clamp(24px,2.6vw,32px);
  color:var(--brand-deep);margin-bottom:14px;
}
.section-head p{color:var(--ink-2);font-size:16px}

/* ---------- 入口卡网格 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.entry-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 24px 20px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.entry-card:hover{border-color:var(--brand-soft);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.entry-num{
  display:inline-grid;place-items:center;width:28px;height:28px;border-radius:6px;
  background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.entry-card h3{font-size:18px;color:var(--brand-deep);margin-bottom:8px}
.entry-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px}
.entry-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
  text-underline-offset:3px;
}
.entry-link:hover{color:var(--brand-deep);text-decoration:underline}
.entry-link:hover svg{transform:translateX(3px)}

/* ---------- 自检流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;
}
.step-dot{
  display:grid;place-items:center;width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;color:var(--brand-deep);margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-2)}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:41px;height:2px;
  background:var(--line);z-index:0;
}
.step{position:relative;z-index:1}

/* ---------- 速查列表 ---------- */
.quick-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.quick-head,.quick-row{display:grid;grid-template-columns:1.15fr 1.3fr 1fr;gap:18px;padding:16px 24px;align-items:center}
.quick-head{
  background:var(--surface-2);font-size:13px;font-weight:600;color:var(--ink-3);
  letter-spacing:.5px;border-bottom:1px solid var(--line);
}
.quick-row{border-bottom:1px solid var(--line);font-size:15px;transition:background .18s ease}
.quick-row:last-child{border-bottom:none}
.quick-row:hover{background:var(--surface-2)}
.quick-row .q-fix{color:var(--ink-2);font-size:14.5px}
.quick-row .q-expect{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.pill-ok{background:#E3F0E9;color:var(--ok)}
.pill-warn{background:var(--accent-soft);color:var(--warn)}
.quick-note{font-size:13px;color:var(--ink-3);margin-top:14px}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.split-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.split-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;
  transition:border-color .18s ease,transform .18s ease;
}
.check-list li:hover{border-color:var(--brand-soft);transform:translateX(2px)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;
  background:var(--brand-soft);margin-top:3px;
  background-image:linear-gradient(var(--ok),var(--ok));
  background-size:9px 2px;background-repeat:no-repeat;background-position:center;
}
.check-list strong{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease;
}
.faq-item+.faq-item{margin-top:12px}
.faq-item:hover{border-color:var(--brand-soft)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:17px;font-weight:600;
  color:var(--brand-deep);display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);
  font-size:16px;font-weight:600;line-height:1;transition:transform .18s ease,background .18s ease;
}
.faq-item[open] summary{background:var(--surface-2)}
.faq-item[open] summary::after{content:"−";background:var(--accent-soft);color:var(--accent)}
.faq-body{padding:6px 22px 20px;font-size:15px;color:var(--ink-2);max-width:70ch;line-height:1.9}

/* ---------- CTA 反色带 ---------- */
.cta-band{
  background:var(--brand);color:#E9EFEA;border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:28px 28px;
  mask-image:radial-gradient(circle at 80% 20%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 80% 20%,#000,transparent 72%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(22px,2.4vw,30px);color:#fff;margin-bottom:14px}
.cta-band p{color:#C9D8D1;font-size:15.5px;margin-bottom:20px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:#D6E3DD}
.cta-points li{display:flex;align-items:center;gap:8px}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.cta-form{
  background:rgba(255,255,255,.97);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-2);color:var(--ink);
}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--ink-3)}
.field input:hover{border-color:#c8c2b4}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,75,63,.12)}
.agree{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--ink-3);margin:6px 0 16px;line-height:1.6}
.agree input{width:15px;height:15px;margin-top:2px;accent-color:var(--brand);flex:0 0 auto}
.agree a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E9EFEA;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-seal{background:#fff;color:var(--brand-deep);box-shadow:none}
.footer-brand .brand-name{color:#fff;font-size:19px}
.footer-desc{font-size:14px;color:#A9BDB5;line-height:1.8;max-width:26em}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{
  display:block;padding:7px 0;font-size:14px;color:#B9CBC4;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:20px;
}
.footer-card p{font-size:14px;color:#C9D8D1;margin-bottom:14px;line-height:1.8}
.footer-card .btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.footer-card .btn-ghost:hover{background:rgba(255,255,255,.14)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding-top:20px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#93A9A1;
}
.dot-sep{color:#93A9A1}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 26px}
  .mega-panel{width:560px;grid-template-columns:1fr 1fr;right:26px}
  .mega-card{display:none}
  .hero-grid{gap:36px}
  .entry-grid{gap:20px}
}
@media (max-width:1023px){
  .header-inner{height:66px}
  .nav-links a{padding:8px 8px;font-size:14px}
  .section{padding:64px 0}
  .hero{padding-bottom:56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure img{aspect-ratio:16/9}
  .split{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:16px}
  .steps::before{display:none}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .quick-head,.quick-row{grid-template-columns:1.1fr 1.2fr}
  .quick-head span:last-child,.quick-row .q-expect{display:none}
}
@media (max-width:899px){
  .nav-links{
    position:fixed;inset:66px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:12px 18px 90px;
    overflow-y:auto;display:none;border-top:1px solid var(--line);z-index:70;
  }
  body.nav-open .nav-links{display:flex}
  body.nav-open{overflow:hidden}
  .nav-links a{
    font-size:18px;line-height:56px;padding:0 6px;border-bottom:1px solid var(--line);
    border-radius:0;color:var(--ink);
  }
  .nav-links a::after{display:none}
  .nav-links a[aria-current="page"]{color:var(--brand)}
  .menu-toggle{display:grid}
  .more-toggle{display:none}
  .mega-panel{display:none !important}
  .header-cta{height:38px;padding:0 14px;font-size:14px}
  .entry-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:28px}
  .quick-head{display:none}
  .quick-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .quick-row .q-fix::before{content:"先查：";color:var(--ink-3);font-size:13px}
  .quick-row .q-expect{display:flex}
  .quick-row .q-title{font-weight:600;color:var(--brand-deep)}
  .cta-band{padding:28px 22px}
  .cta-form{padding:20px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  body{font-size:16px}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-lead{font-size:16px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col a{padding:10px 0;min-height:44px;display:flex;align-items:center}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-band .btn{width:100%}
  .entry-card{padding:20px}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-body{padding:4px 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}