/* roulang page: index */
:root{
  --brand-900:#0B3A34;
  --brand-700:#0F5A4E;
  --brand-500:#1E8A75;
  --brand-300:#7FD1C1;
  --accent-600:#D9822B;
  --accent-500:#F2A23A;
  --accent-300:#FFD199;
  --bg:#F7F2E8;
  --surface:#FFFFFF;
  --surface-2:#F1EAE0;
  --ink:#13211F;
  --muted:#5B6B68;
  --line:#E5DCCF;
  --success:#1F8A70;
  --danger:#C04A3F;
  --info:#3E7B8C;
  --grad:linear-gradient(135deg,#0B3A34 0%,#1E8A75 52%,#F2A23A 100%);
  --grad-soft:linear-gradient(135deg,rgba(11,58,52,.08) 0%,rgba(30,138,117,.10) 52%,rgba(242,162,58,.14) 100%);
  --shadow-sm:0 4px 12px rgba(11,58,52,.06);
  --shadow-md:0 12px 32px rgba(11,58,52,.10);
  --shadow-lg:0 24px 64px rgba(11,58,52,.14);
  --radius-xl:32px;
  --radius-lg:28px;
  --radius:20px;
  --radius-btn:12px;
  --radius-input:14px;
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --sidebar-w:248px;
  --bs-primary:#1E8A75;
  --bs-body-bg:#F7F2E8;
  --bs-body-color:#13211F;
  --bs-border-radius:20px;
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:#0F5A4E;
  --bs-link-hover-color:#D9822B;
  --bs-border-color:#E5DCCF;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(34px,4.5vw,58px);font-weight:700;line-height:1.15}
h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25}
h3{font-size:20px;font-weight:600;line-height:1.4}
h4{font-size:18px;font-weight:600;line-height:1.5}
p{margin:0 0 1em}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--accent-600)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{max-width:1320px;padding-left:24px;padding-right:24px}

/* ---------- 布局骨架 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);
  display:flex;flex-direction:column;
  padding:26px 16px 20px;
  z-index:1040;
  overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px}
.brand{
  display:flex;align-items:center;gap:12px;
  padding:10px 10px 20px;
  border-bottom:1px solid rgba(255,255,255,.14);
  margin-bottom:20px;
}
.brand-mark{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(0,0,0,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;overflow:hidden}
.brand-line1{color:#fff;font-size:15px;font-weight:700;white-space:nowrap}
.brand-line2{color:var(--brand-300);font-size:13px;font-weight:500;white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:8px}
.side-nav a{
  position:relative;
  display:flex;align-items:center;gap:14px;
  padding:13px 14px;
  border-radius:14px;
  color:rgba(255,255,255,.78);
  font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.side-nav a i{width:20px;text-align:center;font-size:16px;flex:0 0 20px}
.side-nav a:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateX(2px)}
.side-nav a.active{
  background:rgba(255,255,255,.14);
  color:#fff;
  font-weight:600;
}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:999px;
  background:linear-gradient(180deg,var(--accent-500),var(--accent-600));
}
.side-foot{margin-top:auto;padding-top:22px}
.side-cta{
  display:block;text-align:center;
  padding:12px 14px;border-radius:var(--radius-btn);
  background:var(--grad);color:#fff;font-weight:600;font-size:14px;
  box-shadow:0 10px 24px rgba(0,0,0,.22);
  transition:transform .2s ease,box-shadow .2s ease;
}
.side-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.3)}
.side-note{color:rgba(255,255,255,.5);font-size:12px;margin-top:14px;text-align:center;line-height:1.6}

.main-area{margin-left:var(--sidebar-w);min-height:100vh}
.page-wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:var(--section-gap) 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);
  background:rgba(30,138,117,.10);
  border:1px solid rgba(30,138,117,.18);
  padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px;margin-bottom:0}

/* ---------- 顶栏（移动端） ---------- */
.mobile-topbar{
  position:fixed;top:0;left:0;right:0;height:64px;z-index:1050;
  background:linear-gradient(135deg,#0B3A34,#0F5A4E);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;box-shadow:0 6px 20px rgba(11,58,52,.20);
}
.mobile-topbar .brand{padding:0;border:0;margin:0}
.mobile-topbar .brand-mark{width:38px;height:38px;border-radius:12px;font-size:13px}
.drawer-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);color:#fff;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.drawer-toggle:hover{background:rgba(255,255,255,.2)}
.side-drawer{background:linear-gradient(180deg,#0B3A34,#0F5A4E);color:#fff;width:280px}
.side-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.14);padding:18px 20px}
.side-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.side-drawer .offcanvas-body{padding:18px 16px}
.side-drawer .side-nav a{color:rgba(255,255,255,.8)}
.side-drawer .side-nav a.active{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,58,52,.22)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,58,52,.30)}
.btn-brand:active{transform:translateY(1px)}
.btn-outline-brand{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-brand:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:var(--surface);color:var(--brand-900);border-color:var(--line)}
.btn-ghost:hover{color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-brand:disabled,.btn-ghost:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(30,138,117,.10);color:var(--brand-700);
  border:1px solid rgba(30,138,117,.18);
}
.badge-soft.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.badge-up{background:rgba(31,138,112,.12);color:var(--success);border-color:rgba(31,138,112,.22)}
.badge-up.dot::before{background:var(--success)}
.badge-down{background:rgba(192,74,63,.10);color:var(--danger);border-color:rgba(192,74,63,.20)}
.badge-down.dot::before{background:var(--danger)}
.badge-neutral{background:rgba(62,123,140,.10);color:var(--info);border-color:rgba(62,123,140,.20)}
.badge-neutral.dot::before{background:var(--info)}
.badge-accent{background:rgba(242,162,58,.16);color:var(--accent-600);border-color:rgba(217,130,43,.26)}

/* ---------- Hero ---------- */
.hero{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  padding:60px 52px;
  background-image:linear-gradient(135deg,rgba(11,58,52,.95) 0%,rgba(15,90,78,.88) 46%,rgba(30,138,117,.72) 74%,rgba(242,162,58,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-lg);
  color:#fff;
}
.hero::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,209,153,.26),transparent 66%);
}
.hero-inner{position:relative;z-index:2}
.hero h1{color:#fff}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--accent-300),var(--accent-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  color:rgba(255,255,255,.86);font-size:17px;line-height:1.8;
  margin:20px 0 0;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-points span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:500;color:rgba(255,255,255,.88);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  padding:6px 14px;border-radius:999px;
}
.hero-points i{color:var(--accent-300);font-size:12px}
.hero-panel{
  background:var(--surface);border-radius:var(--radius-lg);
  padding:26px 26px 22px;box-shadow:0 24px 60px rgba(6,32,28,.28);
  border:1px solid rgba(255,255,255,.4);
}
.hero-panel-title{font-size:15px;font-weight:700;color:var(--brand-900);display:flex;align-items:center;justify-content:space-between}
.hero-panel-title span{font-size:12px;font-weight:600;color:var(--muted)}
.hero-metrics{display:flex;flex-direction:column;gap:2px;margin-top:16px}
.hero-metric{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed var(--line);
}
.hero-metric:last-child{border-bottom:0}
.hero-metric .label{font-size:14px;color:var(--muted)}
.hero-metric .value{font-size:20px;font-weight:700;color:var(--brand-900)}
.hero-panel-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-panel-foot .txt{font-size:13px;color:var(--muted)}

/* ---------- KPI 看板 ---------- */
.kpi-card{
  position:relative;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px 20px;box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.kpi-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.kpi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300)}
.kpi-name{font-size:14px;color:var(--muted);font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:8px}
.kpi-value{font-size:42px;font-weight:700;color:var(--brand-900);line-height:1.1;margin-top:14px;font-variant-numeric:tabular-nums}
.kpi-value small{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px}
.kpi-bar{height:6px;border-radius:999px;background:var(--surface-2);margin-top:18px;overflow:hidden}
.kpi-bar span{display:block;height:100%;border-radius:999px;background:var(--grad)}
.kpi-foot{margin-top:12px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.mini-bars{display:flex;align-items:flex-end;gap:5px;height:38px;margin-top:16px}
.mini-bars i{display:block;width:8px;border-radius:4px;background:linear-gradient(180deg,var(--brand-300),var(--brand-500))}
.mini-bars i:nth-child(even){background:linear-gradient(180deg,var(--accent-300),var(--accent-500))}

/* ---------- 服务矩阵 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.bento-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px 26px;
  box-shadow:var(--shadow-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300)}
.bento-lg{grid-column:span 2;grid-row:span 2;padding:34px 32px}
.bento-md{grid-column:span 2}
.bento-sm{grid-column:span 2}
.bento-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);color:var(--brand-700);font-size:19px;
  border:1px solid rgba(30,138,117,.16);
  margin-bottom:18px;
}
.bento-item h3{margin-bottom:10px}
.bento-item p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 16px}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.bento-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-700);margin-top:18px;
}
.bento-link i{transition:transform .2s ease}
.bento-item:hover .bento-link i{transform:translateX(4px)}
.bento-cover{
  border-radius:var(--radius);overflow:hidden;margin-bottom:20px;
  aspect-ratio:16/9;background:var(--grad);
}
.bento-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 结果对比 ---------- */
.compare{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:10px;box-shadow:var(--shadow-md);
}
.compare-head,.compare-row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 130px;
  align-items:center;gap:12px;
}
.compare-head{padding:16px 18px;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.compare-row{
  padding:16px 18px;border-radius:var(--radius);
  transition:background .2s ease;
}
.compare-row:nth-child(odd){background:var(--surface-2)}
.compare-row:hover{background:rgba(127,209,193,.14)}
.compare-metric{font-size:15px;font-weight:600;color:var(--ink)}
.compare-before{color:var(--muted);font-size:15px;text-decoration:line-through;text-decoration-color:rgba(91,107,104,.5)}
.compare-after{
  display:inline-flex;align-items:center;
  font-size:16px;font-weight:700;color:var(--brand-900);
  background:linear-gradient(135deg,rgba(30,138,117,.10),rgba(242,162,58,.14));
  border:1.5px solid var(--brand-300);
  border-radius:12px;padding:6px 14px;
  font-variant-numeric:tabular-nums;
}
.compare-badge{justify-self:end}
.compare-legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--muted)}
.compare-legend i{color:var(--brand-500);margin-right:6px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:flex;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300)}
.news-thumb{
  flex:0 0 132px;width:132px;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
  background:var(--grad);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.news-meta time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-body h3{font-size:17px;margin-bottom:6px}
.news-body h3 a{color:var(--ink);display:block}
.news-card:hover .news-body h3 a{color:var(--brand-700)}
.news-summary{
  font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.empty-state{
  grid-column:1/-1;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;color:var(--muted);font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-side h2{margin-bottom:16px}
.faq-side p{color:var(--muted);font-size:15px}
.faq-side .faq-help{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);
}
.faq-side .faq-help strong{display:block;font-size:15px;color:var(--brand-900);margin-bottom:6px}
.faq-side .faq-help span{font-size:13px;color:var(--muted)}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:var(--radius) !important;
  background:var(--surface);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  position:relative;
  background:var(--surface);color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.55;
  padding:20px 60px 20px 22px;
  border:0;box-shadow:none !important;
  transition:background .2s ease,color .2s ease;
}
.accordion-button::after{display:none}
.accordion-button:not(.collapsed){
  background:linear-gradient(90deg,rgba(30,138,117,.12),rgba(242,162,58,.06));
  color:var(--brand-700);
}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:999px;background:var(--grad);
}
.accordion-button:hover{color:var(--brand-700)}
.faq-plus{
  position:absolute;right:22px;top:50%;width:24px;height:24px;transform:translateY(-50%);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-plus::before{left:0;top:11px;width:24px;height:2px}
.faq-plus::after{left:11px;top:0;width:2px;height:24px}
.accordion-button:not(.collapsed) .faq-plus::after{transform:scaleY(0)}
.accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);
  background:linear-gradient(90deg,rgba(30,138,117,.05),rgba(242,162,58,.03));
}

/* ---------- 表单 ---------- */
.lead-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-md);
}
.form-label{font-size:14px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
.form-control,.form-select{
  height:48px;border-radius:var(--radius-input);
  border:1px solid var(--line);background:var(--surface-2);
  font-size:15px;color:var(--ink);padding:0 16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
textarea.form-control{height:auto;min-height:120px;padding:14px 16px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--accent-500);background:var(--surface);
  box-shadow:0 0 0 3px rgba(242,162,58,.22);outline:none;
}
.form-control.is-invalid{border-color:var(--danger)}
.invalid-tip{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.form-control.is-invalid ~ .invalid-tip{display:block}
.form-check-input{width:18px;height:18px;border-radius:6px;border-color:var(--line);margin-top:3px}
.form-check-input:checked{background-color:var(--brand-500);border-color:var(--brand-500)}
.form-check-label{font-size:13px;color:var(--muted);line-height:1.7}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-ok{
  display:none;margin-top:16px;padding:14px 18px;border-radius:var(--radius-input);
  background:rgba(31,138,112,.10);border:1px solid rgba(31,138,112,.24);
  color:var(--success);font-size:14px;font-weight:600;
}
.trust-card{
  height:100%;background:linear-gradient(160deg,#0B3A34 0%,#0F5A4E 100%);
  border-radius:var(--radius-lg);padding:32px 28px;color:#fff;
  box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.trust-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,162,58,.30),transparent 68%);
}
.trust-card h3{color:#fff;margin-bottom:14px;position:relative;z-index:2}
.trust-card p{color:rgba(255,255,255,.78);font-size:14px;position:relative;z-index:2}
.trust-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;position:relative;z-index:2}
.trust-list li{display:flex;gap:12px;font-size:14px;color:rgba(255,255,255,.86);line-height:1.7}
.trust-list i{color:var(--accent-300);margin-top:4px}
.trust-foot{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.62);position:relative;z-index:2;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(160deg,#0B3A34 0%,#0F5A4E 100%);
  color:var(--surface);margin-top:var(--section-gap);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:42px;height:42px;border-radius:13px}
.footer-brand strong{font-size:16px;color:#fff;letter-spacing:.01em}
.footer-about{font-size:14px;color:rgba(255,255,255,.72);line-height:1.85;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-links a:hover{color:var(--accent-300)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.74)}
.footer-contact i{color:var(--brand-300);width:18px;margin-right:6px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent-300)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .sidebar{width:80px;padding:22px 10px 18px;align-items:center}
  .sidebar .brand{flex-direction:column;padding:0 0 16px;gap:0}
  .sidebar .brand-text,.sidebar .side-nav span,.sidebar .side-note,.sidebar .side-cta span{display:none}
  .sidebar .side-nav{width:100%;align-items:center}
  .sidebar .side-nav a{justify-content:center;padding:14px 0;width:52px}
  .sidebar .side-cta{padding:12px 0;width:52px}
  .sidebar .side-cta i{font-size:16px}
  .main-area{margin-left:80px}
}
@media (max-width:991.98px){
  :root{--section-gap:64px}
  .sidebar{display:none}
  .main-area{margin-left:0;padding-top:64px}
  .hero{padding:44px 30px;border-radius:26px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lg{grid-column:span 2;grid-row:auto;padding:30px 26px}
  .bento-md,.bento-sm{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .news-grid{grid-template-columns:1fr}
  .lead-wrap{padding:26px 22px}
}
@media (max-width:767.98px){
  :root{--section-gap:56px}
  .page-wrap{padding:0 18px}
  .hero{padding:36px 22px;border-radius:22px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{width:100%}
  .bento{grid-template-columns:1fr}
  .bento-lg,.bento-md,.bento-sm{grid-column:span 1}
  .compare-head{display:none}
  .compare-row{
    grid-template-columns:1fr;gap:8px;padding:18px;
    background:var(--surface-2);border-radius:var(--radius);margin-bottom:12px;
  }
  .compare-badge{justify-self:start}
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .form-actions .btn-brand{width:100%}
  .accordion-button{font-size:16px;padding:18px 54px 18px 18px}
}
@media (max-width:575.98px){
  body{font-size:15px}
  h3{font-size:18px}
  .kpi-value{font-size:36px}
  .trust-card,.lead-wrap{padding:22px 18px}
  .hero-points span{font-size:12px}
}

/* roulang page: article */
:root{
  --brand-900:#0B3A34;
  --brand-700:#0F5A4E;
  --brand-500:#1E8A75;
  --brand-300:#7FD1C1;
  --accent-600:#D9822B;
  --accent-500:#F2A23A;
  --accent-300:#FFD199;
  --bg:#F7F2E8;
  --surface:#FFFFFF;
  --surface-2:#F1EAE0;
  --ink:#13211F;
  --muted:#5B6B68;
  --line:#E5DCCF;
  --success:#1F8A70;
  --danger:#C04A3F;
  --info:#3E7B8C;

  --brand-gradient:linear-gradient(135deg,#0B3A34 0%,#1E8A75 52%,#F2A23A 100%);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;

  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-xs:12px;

  --shadow-sm:0 4px 12px rgba(11,58,52,.06);
  --shadow-md:0 12px 32px rgba(11,58,52,.10);
  --shadow-lg:0 24px 64px rgba(11,58,52,.14);

  --sidebar-w:248px;
  --sidebar-w-sm:80px;

  --bs-primary:#1E8A75;
  --bs-body-bg:#F7F2E8;
  --bs-body-color:#13211F;
  --bs-border-radius:20px;
  --bs-link-color:#0F5A4E;
  --bs-link-hover-color:#D9822B;
}
*,*::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:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:0;
}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--accent-600);}
img{max-width:100%;height:auto;display:block;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{letter-spacing:.01em;color:var(--ink);}
h1{font-size:clamp(34px,4.5vw,58px);font-weight:700;line-height:1.15;}
h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
h4{font-size:18px;font-weight:600;line-height:1.45;}
p{margin:0 0 1.2em;}
.container{max-width:1320px;padding-inline:20px;}
.num{font-variant-numeric:tabular-nums;}
::selection{background:var(--accent-300);color:var(--brand-900);}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

/* ---------- App shell ---------- */
.app-shell{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);
  color:#EAF5F1;padding:26px 18px 22px;
  display:flex;flex-direction:column;gap:22px;z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
  overflow-y:auto;
}
.brand-block{display:flex;align-items:flex-start;gap:12px;padding:6px 6px 16px;border-bottom:1px solid rgba(255,255,255,.12);}
.brand-mark{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  background:var(--brand-gradient);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(0,0,0,.22);
}
.brand-text{display:flex;flex-direction:column;gap:2px;}
.brand-text strong{font-size:15px;line-height:1.35;color:#fff;font-weight:700;}
.brand-text span{font-size:12px;color:var(--brand-300);letter-spacing:.02em;}
.side-nav{display:flex;flex-direction:column;gap:6px;flex:1;}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--radius-xs);
  color:rgba(234,245,241,.82);font-size:14.5px;line-height:1.35;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-nav a i{width:20px;text-align:center;font-size:15px;flex:0 0 20px;}
.side-nav a:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateX(2px);}
.side-nav a.active{background:rgba(127,209,193,.16);color:#fff;font-weight:600;}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--accent-500),var(--accent-300));
}
.side-cta{
  display:block;text-align:center;padding:11px 14px;border-radius:var(--radius-xs);
  background:var(--brand-gradient);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 10px 24px rgba(0,0,0,.22);transition:transform .2s ease,box-shadow .2s ease;
}
.side-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.28);}

.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.page-main{flex:1 1 auto;padding:34px 0 0;}

/* mobile topbar */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1050;
  background:linear-gradient(135deg,#0B3A34 0%,#0F5A4E 100%);color:#fff;
  align-items:center;justify-content:space-between;padding:0 16px;
  box-shadow:0 6px 20px rgba(11,58,52,.18);
}
.mobile-topbar .mt-brand{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:#fff;}
.mobile-topbar .mt-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:12px;}
.mt-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);color:#fff;font-size:16px;
}
.mt-toggle:hover{background:rgba(255,255,255,.18);}
.offcanvas{background:#0B3A34;color:#EAF5F1;}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);}
.offcanvas-title{color:#fff;font-size:15px;}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(2);}
.offcanvas .side-nav a{color:rgba(234,245,241,.85);}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent-600);}
.crumb .sep{color:#C8BFB0;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- Article hero ---------- */
.article-hero{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 34px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-gradient);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;}
.article-hero h1{font-size:clamp(28px,3.4vw,44px);line-height:1.22;margin:0 0 16px;}
.meta-row{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-size:13.5px;color:var(--muted);}
.meta-row i{color:var(--brand-500);margin-right:6px;}
.meta-row .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ---------- badges / buttons ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.5;
  background:rgba(30,138,117,.10);color:var(--brand-700);border:1px solid rgba(30,138,117,.22);
  white-space:nowrap;
}
.badge-soft.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}
.badge-accent{background:rgba(242,162,58,.14);color:#9A5A10;border-color:rgba(242,162,58,.32);}
.badge-info{background:rgba(62,123,140,.12);color:var(--info);border-color:rgba(62,123,140,.28);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:none;border-radius:var(--radius-xs);
  background:var(--brand-gradient);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-brand:active{transform:translateY(1px);}
.btn-brand:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-xs);
  border:1.5px solid var(--brand-500);background:transparent;color:var(--brand-700);
  font-size:15px;font-weight:600;transition:all .2s ease;
}
.btn-outline-brand:hover{background:rgba(30,138,117,.08);color:var(--brand-900);border-color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-xs);
  background:var(--surface-2);color:var(--brand-900);font-size:14px;font-weight:600;border:1px solid var(--line);
  transition:all .2s ease;
}
.btn-ghost:hover{background:#fff;border-color:var(--brand-300);transform:translateY(-2px);}

/* ---------- Layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start;margin-top:34px;}
.read-col{min-width:0;}
.cover-wrap{
  border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  background:var(--brand-gradient);max-width:960px;
}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.article-body{
  max-width:780px;margin-top:30px;font-size:16.5px;line-height:1.9;color:#1B2C29;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);margin:2.2em 0 .7em;padding-left:14px;position:relative;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--brand-gradient);
}
.article-body h3{font-size:19px;margin:1.8em 0 .6em;color:var(--brand-900);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body li{margin-bottom:.55em;}
.article-body ul li::marker{color:var(--brand-500);}
.article-body ol li::marker{color:var(--brand-500);font-weight:600;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--brand-500);
  background:var(--surface-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#2A3B38;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.4em 0;box-shadow:var(--shadow-sm);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body code{
  background:rgba(30,138,117,.10);color:#0F5A4E;padding:2px 6px;border-radius:6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#0B3A34;color:#E7F5F1;padding:18px;border-radius:16px;overflow-x:auto;
  font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body thead th{background:var(--surface-2);font-weight:600;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body a{text-decoration:underline;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

/* ---------- Sidebar ---------- */
.side-col{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:15.5px;margin:0 0 14px;display:flex;align-items:center;gap:8px;color:var(--brand-900);}
.side-card h3 i{color:var(--accent-500);font-size:14px;}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto;}
.toc-list a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--muted);padding:6px 10px;
  border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:all .2s ease;
}
.toc-list a:hover{color:var(--brand-700);background:var(--surface-2);border-left-color:var(--brand-300);}
.toc-list a.active{color:var(--brand-900);font-weight:600;background:rgba(30,138,117,.08);border-left-color:var(--brand-500);}
.toc-list a.lv3{padding-left:22px;font-size:13px;}
.related-list{display:flex;flex-direction:column;gap:14px;}
.related-item{display:flex;gap:12px;align-items:flex-start;}
.related-item .ri-thumb{
  width:64px;height:48px;flex:0 0 64px;border-radius:12px;overflow:hidden;background:var(--brand-gradient);
}
.related-item .ri-thumb img{width:100%;height:100%;object-fit:cover;}
.related-item .ri-title{font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);}
.related-item:hover .ri-title{color:var(--brand-700);}
.related-item .ri-meta{font-size:12px;color:var(--muted);margin-top:4px;}
.side-cta-card{
  background:var(--brand-gradient);border-radius:var(--radius-md);padding:22px;color:#fff;
  box-shadow:var(--shadow-md);
}
.side-cta-card h3{color:#fff;margin-bottom:10px;}
.side-cta-card p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.9);margin-bottom:16px;}
.side-cta-card .btn-brand{background:#fff;color:var(--brand-900);width:100%;}
.side-cta-card .btn-brand:hover{color:var(--brand-900);}

/* ---------- Footer meta of article ---------- */
.tags-row{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0;padding-top:22px;border-top:1px solid var(--line);}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;}
.pager a{
  display:block;padding:18px 20px;border-radius:var(--radius-md);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:all .2s ease;
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300);}
.pager .p-label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px;}
.pager .p-title{font-size:15px;font-weight:600;color:var(--ink);}
.pager .next{text-align:right;}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:56px 30px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:38px;color:var(--brand-300);margin-bottom:16px;display:block;}
.empty-state h2{font-size:24px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:72px;background:linear-gradient(160deg,#0B3A34 0%,#0F5A4E 100%);
  color:rgba(255,255,255,.86);padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand strong{color:#fff;font-size:16px;line-height:1.35;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;margin-bottom:14px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:var(--accent-300);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.74);}
.footer-contact i{color:var(--accent-300);margin-right:8px;width:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- Progress ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:1080;background:var(--brand-gradient);transition:width .1s linear;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .sidebar{width:var(--sidebar-w-sm);padding:22px 12px;}
  .sidebar .brand-text,.side-nav a span,.side-cta span,.side-cta .cta-label{display:none;}
  .brand-block{justify-content:center;padding-bottom:14px;}
  .brand-mark{width:42px;height:42px;flex:0 0 42px;}
  .side-nav a{justify-content:center;padding:12px 0;}
  .side-nav a i{font-size:17px;}
  .side-cta{padding:12px 0;}
  .side-cta i{font-size:16px;}
  .main-area{margin-left:var(--sidebar-w-sm);}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .mobile-topbar{display:flex;}
  .main-area{margin-left:0;padding-top:64px;}
  .article-layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-hero{padding:26px 22px;}
}
@media (max-width:767.98px){
  h1{font-size:clamp(26px,7vw,34px);}
  h2{font-size:clamp(21px,5.6vw,27px);}
  .page-main{padding-top:24px;}
  .article-body{font-size:16px;line-height:1.85;}
  .pager{grid-template-columns:1fr;}
  .pager .next{text-align:left;}
  .cover-wrap img{aspect-ratio:4/3;}
  .site-footer{margin-top:52px;padding-top:44px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .container{padding-inline:16px;}
  .article-hero{padding:22px 16px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .btn-brand,.btn-outline-brand,.btn-ghost{width:100%;}
  .side-card{padding:16px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3A34;
  --brand-700:#0F5A4E;
  --brand-500:#1E8A75;
  --brand-300:#7FD1C1;
  --accent-600:#D9822B;
  --accent-500:#F2A23A;
  --accent-300:#FFD199;
  --bg:#F7F2E8;
  --surface:#FFFFFF;
  --surface-2:#F1EAE0;
  --ink:#13211F;
  --muted:#5B6B68;
  --line:#E5DCCF;
  --success:#1F8A70;
  --danger:#C04A3F;
  --info:#3E7B8C;
  --brand-grad:linear-gradient(135deg,#0B3A34 0%,#1E8A75 52%,#F2A23A 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --sh-sm:0 4px 12px rgba(11,58,52,.06);
  --sh-md:0 12px 32px rgba(11,58,52,.10);
  --sh-lg:0 24px 64px rgba(11,58,52,.14);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;

  --bs-primary:#1E8A75;
  --bs-body-bg:#F7F2E8;
  --bs-body-color:#13211F;
  --bs-border-radius:16px;
  --bs-link-color:#0F5A4E;
  --bs-link-hover-color:#D9822B;
  --bs-font-sans-serif:var(--font-sans);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--accent-600)}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(34px,4.5vw,58px);font-weight:700;line-height:1.15}
h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25}
h3{font-size:20px;font-weight:600;line-height:1.4}
h4{font-size:18px;font-weight:600;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.2em;padding-left:1.25em}
li{margin-bottom:.5em}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px;border-radius:6px}

/* ---------- App shell ---------- */
.side-nav{
  position:fixed;
  inset:0 auto 0 0;
  width:248px;
  padding:28px 18px;
  background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);
  display:flex;
  flex-direction:column;
  gap:6px;
  z-index:1040;
  overflow-y:auto;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 10px 22px;
  border-bottom:1px solid rgba(255,255,255,.14);
  margin-bottom:18px;
}
.brand-mark{
  width:44px;height:44px;
  flex:0 0 44px;
  border-radius:14px;
  background:var(--brand-grad);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
}
.side-brand-text{display:flex;flex-direction:column;line-height:1.3}
.side-brand-text strong{color:#fff;font-size:15px;font-weight:700}
.side-brand-text span{color:var(--brand-300);font-size:12px;letter-spacing:.04em}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:var(--r-sm);
  color:rgba(255,255,255,.78);
  font-size:14.5px;
  font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-nav a i{width:20px;text-align:center;font-size:15px;color:var(--brand-300);transition:color .2s ease}
.side-nav a:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateX(2px)}
.side-nav a:hover i{color:var(--accent-300)}
.side-nav a.active{
  background:rgba(255,255,255,.14);
  color:#fff;
  font-weight:600;
}
.side-nav a.active::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--accent-500),var(--accent-600));
}
.side-nav a.active i{color:var(--accent-300)}
.side-nav-cta{
  margin-top:auto;
  padding-top:22px;
}
.side-nav-cta .btn{width:100%}

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-sm);
  padding:12px 22px;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  line-height:1.4;
}
.btn-brand{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--sh-sm)}
.btn-outline-brand{
  background:transparent;
  color:var(--brand-700);
  border-color:rgba(15,90,78,.42);
}
.btn-outline-brand:hover{
  background:rgba(30,138,117,.08);
  color:var(--brand-900);
  border-color:var(--brand-500);
  transform:translateY(-2px);
}
.btn-outline-brand:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--surface-2);
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:var(--brand-300);transform:translateY(-2px)}
.btn-light-brand{
  background:#fff;
  color:var(--brand-900);
  box-shadow:var(--sh-sm);
}
.btn-light-brand:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-outline-light-brand{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn-outline-light-brand:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn:disabled,.btn.disabled{opacity:.55;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- Badges ---------- */
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.5;
  border:1px solid var(--line);
  background:var(--surface-2);
  color:var(--muted);
}
.badge-soft.dot::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:currentColor;
  display:inline-block;
  flex:0 0 6px;
}
.badge-brand{background:rgba(30,138,117,.10);color:var(--brand-700);border-color:rgba(30,138,117,.22)}
.badge-accent{background:rgba(217,130,43,.12);color:var(--accent-600);border-color:rgba(217,130,43,.26)}
.badge-success{background:rgba(31,138,112,.12);color:var(--success);border-color:rgba(31,138,112,.26)}
.badge-info{background:rgba(62,123,140,.12);color:var(--info);border-color:rgba(62,123,140,.26)}
.badge-danger{background:rgba(192,74,63,.12);color:var(--danger);border-color:rgba(192,74,63,.26)}

/* ---------- Layout ---------- */
.container{max-width:1320px;padding-left:20px;padding-right:20px}
.main{margin-left:248px;padding:32px 0 0}
.main-inner{max-width:1120px;margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section-lg{padding:88px 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-500);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent-500)}
.section-head p{color:var(--muted);font-size:15.5px;margin-top:12px}

/* Top bar for mobile */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  background:linear-gradient(135deg,#0B3A34,#0F5A4E);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:1050;
  box-shadow:var(--sh-md);
}
.topbar .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:13px}
.topbar .topbar-title{color:#fff;font-size:14.5px;font-weight:600;margin-left:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-toggle{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;
}
.topbar-toggle:hover{background:rgba(255,255,255,.24)}
.offcanvas.side-offcanvas{
  background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);
  color:#fff;
  width:290px;
}
.side-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.14);padding:18px 20px}
.side-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.side-offcanvas .offcanvas-body{padding:18px 14px}
.side-offcanvas .side-nav-links a{width:100%}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent-600)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  border-radius:32px;
  overflow:hidden;
  padding:56px;
  color:#fff;
  background-image:
    linear-gradient(135deg,rgba(11,58,52,.94) 0%,rgba(30,138,117,.88) 52%,rgba(242,162,58,.80) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-lg);
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,209,153,.30),transparent 68%);
  pointer-events:none;
}
.cat-hero .hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.35fr .9fr;
  gap:40px;
  align-items:center;
}
.cat-hero h1{color:#fff;max-width:16em}
.cat-hero .hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.92);
  margin-top:18px;
  max-width:34em;
}
.cat-hero .hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-tags .badge-soft{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.28);
  color:#fff;
}
.hero-side{
  background:#fff;
  border-radius:var(--r-lg);
  padding:26px;
  box-shadow:var(--sh-lg);
  color:var(--ink);
}
.hero-side h3{font-size:17px;margin-bottom:6px}
.hero-side .side-note{font-size:13px;color:var(--muted);margin-bottom:18px}
.hero-side ul{list-style:none;padding:0;margin:0}
.hero-side li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--ink);
  margin:0;
}
.hero-side li:last-child{border-bottom:0}
.hero-side li i{color:var(--brand-500);margin-top:4px;font-size:13px}

/* ---------- Doc layout ---------- */
.doc-wrap{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.doc-toc{
  position:sticky;
  top:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 18px;
  box-shadow:var(--sh-sm);
}
.doc-toc .toc-title{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.08em;
  padding:0 10px 12px;
  border-bottom:1px solid var(--line);
  margin-bottom:10px;
}
.doc-toc a{
  display:block;
  padding:10px 12px;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--muted);
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.doc-toc a:hover,.doc-toc a:focus-visible{
  background:var(--surface-2);
  color:var(--brand-700);
  border-left-color:var(--accent-500);
}
.doc-toc .toc-cta{margin-top:16px}
.doc-toc .toc-cta .btn{width:100%;font-size:14px;padding:10px 16px}

.doc-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:44px;
  overflow:hidden;
}
.doc-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--brand-grad);
}
.doc-card > section + section{
  margin-top:44px;
  padding-top:40px;
  border-top:1px solid var(--line);
}
.doc-card h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px}
.doc-card h3{font-size:18px;margin:24px 0 8px;color:var(--brand-900)}
.doc-card h3:first-child{margin-top:0}
.doc-card p{color:#31423F;font-size:15.5px;line-height:1.85}
.doc-card ul li,.doc-card ol li{color:#31423F;font-size:15.5px;line-height:1.8}
.doc-lead{
  font-size:16.5px;
  color:var(--brand-900);
  background:linear-gradient(135deg,rgba(30,138,117,.08),rgba(242,162,58,.10));
  border-left:4px solid var(--brand-500);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 22px;
  margin-bottom:26px;
}
.doc-figure{margin:26px 0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.doc-figure figcaption{
  font-size:13px;
  color:var(--muted);
  padding:12px 16px;
  background:var(--surface-2);
  border-top:1px solid var(--line);
}
.step-list{list-style:none;padding:0;counter-reset:steps}
.step-list li{
  position:relative;
  padding:16px 18px 16px 62px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface-2);
  margin-bottom:12px;
  font-size:15px;
}
.step-list li::before{
  counter-increment:steps;
  content:counter(steps);
  position:absolute;
  left:16px;top:16px;
  width:30px;height:30px;
  border-radius:10px;
  background:var(--brand-grad);
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-list li strong{display:block;color:var(--brand-900);font-size:15.5px;margin-bottom:2px}
.step-list li span{color:var(--muted);font-size:14.5px}
.doc-note{
  display:flex;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--r-md);
  background:rgba(217,130,43,.08);
  border:1px solid rgba(217,130,43,.24);
  margin-top:22px;
}
.doc-note i{color:var(--accent-600);font-size:17px;margin-top:4px}
.doc-note p{font-size:14.5px;color:#5A452A;margin:0}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.bento-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}
.bento-card::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:3px;height:100%;
  background:var(--brand-grad);
  opacity:0;
  transition:opacity .22s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.bento-card:hover::before{opacity:1}
.bento-card .bento-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:rgba(30,138,117,.10);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  margin-bottom:16px;
}
.bento-card h3{font-size:18px;margin-bottom:8px}
.bento-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.bento-card .bento-badges{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.35fr;
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:28px}
.faq-aside h2{margin-bottom:14px}
.faq-aside p{color:var(--muted);font-size:15px;margin-bottom:20px}
.faq-aside .faq-points{list-style:none;padding:0;margin:0 0 22px}
.faq-aside .faq-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);margin-bottom:10px;
}
.faq-aside .faq-points i{color:var(--accent-500);margin-top:5px;font-size:12px}

.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:hover{border-color:var(--brand-300)}
.accordion-button{
  position:relative;
  width:100%;
  background:var(--surface);
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  padding:20px 60px 20px 24px;
  border:0;
  border-radius:0;
  box-shadow:none;
  text-align:left;
}
.accordion-button:not(.collapsed){
  background:linear-gradient(90deg,rgba(30,138,117,.10),rgba(242,162,58,.08));
  color:var(--brand-900);
  box-shadow:none;
}
.accordion-button::before{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  border-radius:9px;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--brand-700);
  font-size:17px;
  font-weight:600;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed)::before{
  content:"−";
  background:var(--accent-500);
  border-color:var(--accent-500);
  color:#fff;
  transform:translateY(-50%) rotate(180deg);
}
.accordion-button:focus{box-shadow:none;outline:3px solid var(--accent-500);outline-offset:-3px}
.accordion-button::after{display:none}
.accordion-body{
  padding:6px 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  background:var(--surface);
}
.accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{
  background:linear-gradient(180deg,rgba(30,138,117,.05),transparent);
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;
  border-radius:32px;
  overflow:hidden;
  background:var(--brand-grad);
  color:#fff;
  padding:52px;
  box-shadow:var(--sh-lg);
}
.cta-block::after{
  content:"";
  position:absolute;
  left:-80px;top:-100px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.22),transparent 70%);
}
.cta-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.25fr .85fr;
  gap:40px;
  align-items:center;
}
.cta-block h2{color:#fff}
.cta-block p{color:rgba(255,255,255,.9);font-size:15.5px;margin-top:14px;max-width:36em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.cta-card{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-lg);
  padding:26px;
}
.cta-card h3{color:#fff;font-size:17px;margin-bottom:14px}
.cta-card ul{list-style:none;padding:0;margin:0}
.cta-card li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:rgba(255,255,255,.92);
  padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.22);
  margin:0;
}
.cta-card li:last-child{border-bottom:0}
.cta-card li i{color:var(--accent-300);margin-top:5px;font-size:12px}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:linear-gradient(180deg,#0B3A34,#0F5A4E);
  color:var(--surface);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:700;line-height:1.4}
.footer-about{font-size:14px;color:rgba(255,255,255,.76);line-height:1.85;margin-bottom:16px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78)}
.footer-links a:hover{color:var(--accent-300)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact span{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.78);
}
.footer-contact i{color:var(--accent-300);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.66);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .side-nav{width:80px;padding:24px 12px;align-items:center}
  .side-brand{flex-direction:column;gap:8px;padding:4px 0 18px}
  .side-brand-text{display:none}
  .side-nav a{justify-content:center;padding:14px 0;font-size:13px}
  .side-nav a span{display:none}
  .side-nav a i{font-size:17px}
  .side-nav-cta{display:none}
  .main{margin-left:80px}
  .doc-wrap{grid-template-columns:210px minmax(0,1fr);gap:24px}
}
@media (max-width:991.98px){
  .side-nav{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:96px}
  .cat-hero{padding:36px}
  .cat-hero .hero-grid{grid-template-columns:1fr;gap:28px}
  .doc-wrap{grid-template-columns:1fr}
  .doc-toc{position:static}
  .doc-toc .toc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-lg{padding:64px 0}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .main{padding-top:88px}
  .cat-hero{padding:28px 22px;border-radius:24px}
  .cat-hero .hero-actions .btn{width:100%}
  .doc-card{padding:26px 20px;border-radius:22px}
  .bento{grid-template-columns:1fr}
  .doc-toc .toc-list{grid-template-columns:1fr}
  .cta-block{padding:32px 22px;border-radius:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:6px}
  .section{padding:44px 0}
  .section-lg{padding:48px 0}
  .step-list li{padding:14px 16px 14px 58px}
}
@media (max-width:575.98px){
  h1{font-size:30px}
  h2{font-size:23px}
  .doc-card h3{font-size:16.5px}
  .accordion-button{font-size:15.5px;padding:16px 52px 16px 18px}
  .accordion-body{padding:4px 18px 18px}
  .hero-side{padding:20px}
  .bento-card{padding:22px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3A34;
  --brand-700:#0F5A4E;
  --brand-500:#1E8A75;
  --brand-300:#7FD1C1;
  --accent-600:#D9822B;
  --accent-500:#F2A23A;
  --accent-300:#FFD199;
  --bg:#F7F2E8;
  --surface:#FFFFFF;
  --surface-2:#F1EAE0;
  --ink:#13211F;
  --muted:#5B6B68;
  --line:#E5DCCF;
  --success:#1F8A70;
  --danger:#C04A3F;
  --info:#3E7B8C;
  --grad:linear-gradient(135deg,#0B3A34 0%,#1E8A75 52%,#F2A23A 100%);
  --grad-soft:linear-gradient(135deg,rgba(11,58,52,.06) 0%,rgba(30,138,117,.09) 52%,rgba(242,162,58,.12) 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-btn:12px;
  --sh-sm:0 4px 12px rgba(11,58,52,.06);
  --sh-md:0 12px 32px rgba(11,58,52,.10);
  --sh-lg:0 24px 64px rgba(11,58,52,.14);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --bs-primary:#1E8A75;
  --bs-primary-rgb:30,138,117;
  --bs-body-bg:#F7F2E8;
  --bs-body-color:#13211F;
  --bs-body-font-family:var(--font-sans);
  --bs-border-color:#E5DCCF;
  --bs-border-radius:20px;
  --bs-link-color:#0F5A4E;
  --bs-link-hover-color:#D9822B;
  --bs-accordion-btn-color:#13211F;
  --bs-accordion-active-color:#0F5A4E;
  --bs-accordion-active-bg:#FFFFFF;
  --bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(242,162,58,.25);
  --bs-accordion-border-radius:20px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent-600)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:2px}
.container{width:100%;max-width:1320px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.num,.tabular{font-variant-numeric:tabular-nums}

/* ============ 左侧 App Shell 导航 ============ */
.app-shell{
  position:fixed;top:0;left:0;bottom:0;width:248px;z-index:1045;
  background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);
  padding:26px 18px 22px;
  display:flex;flex-direction:column;gap:26px;
  overflow-y:auto;
}
.app-shell::-webkit-scrollbar{width:6px}
.app-shell::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:6px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  background:linear-gradient(135deg,#1E8A75 0%,#F2A23A 100%);
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.brand-text strong{color:#fff;font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-text small{color:rgba(255,255,255,.6);font-size:12px}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  color:rgba(255,255,255,.76);font-size:15px;font-weight:500;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.side-nav a i{width:20px;text-align:center;font-size:15px;flex:0 0 20px}
.side-nav a:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none;transform:translateX(2px)}
.side-nav a.active{background:rgba(255,255,255,.14);color:#fff;font-weight:600;padding-left:18px}
.side-nav a.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;
  border-radius:0 4px 4px 0;background:var(--accent-500);
}
.shell-card{
  margin-top:auto;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:16px;
}
.shell-card h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:8px}
.shell-card p{color:rgba(255,255,255,.66);font-size:13px;line-height:1.65;margin-bottom:12px}
.shell-cta{
  display:block;text-align:center;padding:10px 12px;border-radius:12px;
  background:linear-gradient(135deg,#1E8A75 0%,#F2A23A 100%);
  color:#fff;font-size:14px;font-weight:600;
}
.shell-cta:hover{color:#fff;text-decoration:none;filter:brightness(1.06)}

/* ============ 移动端顶部栏与抽屉 ============ */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1040;
  align-items:center;justify-content:space-between;
  padding:0 18px;background:linear-gradient(90deg,#0B3A34 0%,#0F5A4E 100%);
  box-shadow:0 6px 20px rgba(11,58,52,.22);
}
.topbar-brand{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:13px}
.topbar-brand strong{color:#fff;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.topbar-toggle:hover{background:rgba(255,255,255,.16)}
.nav-drawer{background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);color:#fff;width:290px !important}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.nav-drawer .offcanvas-body{padding:18px 16px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}

/* ============ 主内容区 ============ */
.main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
.sect{padding:88px 0}
.sect-tight{padding:64px 0}
.sect-head{max-width:760px;margin-bottom:40px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);background:rgba(30,138,117,.10);
  border:1px solid rgba(30,138,117,.18);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.sect-head h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:.01em}
.sect-head p{margin-top:14px;color:var(--muted);font-size:16px}

/* 徽章 */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  border:1px solid var(--line);background:var(--surface-2);color:var(--brand-700);
  line-height:1.5;
}
.badge-soft.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-up{background:rgba(31,138,112,.10);color:var(--success);border-color:rgba(31,138,112,.22)}
.badge-info{background:rgba(62,123,140,.10);color:var(--info);border-color:rgba(62,123,140,.22)}
.badge-warn{background:rgba(217,130,43,.12);color:var(--accent-600);border-color:rgba(217,130,43,.26)}
.badge-accent{background:rgba(242,162,58,.14);color:var(--accent-600);border-color:rgba(242,162,58,.3)}

/* 按钮 */
.btn{
  font-weight:600;font-size:15px;border-radius:var(--r-btn);
  padding:12px 22px;border-width:1px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:focus,.btn:focus-visible{box-shadow:0 0 0 3px rgba(242,162,58,.35);outline:none}
.btn-grad{background:linear-gradient(135deg,#0B3A34 0%,#1E8A75 52%,#F2A23A 100%);color:#fff;border:none;box-shadow:var(--sh-sm)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);background:linear-gradient(135deg,#0B3A34 0%,#1E8A75 46%,#F2A23A 100%)}
.btn-grad:active{transform:translateY(1px)}
.btn-outline-brand{background:transparent;border:1px solid var(--brand-500);color:var(--brand-700)}
.btn-outline-brand:hover{background:rgba(30,138,117,.08);color:var(--brand-900);transform:translateY(-2px);border-color:var(--brand-700)}
.btn-ghost{background:var(--surface-2);border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{background:#fff;border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px)}
.btn:disabled,.btn.disabled{opacity:.55;transform:none;box-shadow:none}

/* ============ Hero（紧凑）============ */
.cat-hero{
  position:relative;
  padding:52px 0 60px;
  background-image:
    linear-gradient(135deg,rgba(11,58,52,.95) 0%,rgba(15,90,78,.90) 48%,rgba(217,130,43,.78) 100%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover,cover;
  background-position:center,center;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,209,153,.22),transparent 68%);
  pointer-events:none;
}
.breadcrumb-bar{display:flex;align-items:center;gap:10px;font-size:13px;margin-bottom:22px;color:rgba(255,255,255,.62)}
.breadcrumb-bar a{color:rgba(255,255,255,.78)}
.breadcrumb-bar a:hover{color:var(--accent-300)}
.breadcrumb-bar .sep{color:rgba(255,255,255,.38)}
.breadcrumb-bar .current{color:#fff;font-weight:600}
.cat-hero h1{
  color:#fff;font-size:clamp(34px,4.5vw,58px);font-weight:700;line-height:1.15;letter-spacing:.01em;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,#FFD199 0%,#F2A23A 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{
  margin-top:18px;color:rgba(255,255,255,.82);font-size:17px;max-width:560px;line-height:1.75;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cat-hero .btn-outline-light-brand{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.cat-hero .btn-outline-light-brand:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats .stat-pill{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:14px;padding:10px 16px;color:#fff;
}
.hero-stats .stat-pill strong{display:block;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats .stat-pill span{font-size:12px;color:rgba(255,255,255,.7)}
.hero-visual{
  background:#fff;border-radius:var(--r-xl);padding:16px;
  box-shadow:var(--sh-lg);position:relative;z-index:2;
}
.hero-visual img{border-radius:var(--r-md);width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--grad)}
.hero-visual .visual-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.hero-visual .visual-note{margin-top:12px;font-size:13px;color:var(--muted)}

/* ============ 步骤卡 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 20px 22px;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:3px;
  border-radius:0 0 4px 4px;background:var(--grad);opacity:.85;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;font-size:14px;font-weight:700;
  background:rgba(30,138,117,.10);color:var(--brand-700);font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.7;min-height:72px}
.step-card .badge-soft{margin-top:12px}

/* ============ 对比面板 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-panel{
  background:var(--surface);border-radius:var(--r-lg);padding:28px;
  border:1px solid var(--line);box-shadow:var(--sh-sm);
}
.compare-panel h3{font-size:20px;font-weight:600;margin-bottom:6px}
.compare-panel .panel-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.compare-panel ul{display:flex;flex-direction:column;gap:12px}
.compare-panel li{display:flex;gap:10px;font-size:15px;line-height:1.7}
.compare-panel li i{margin-top:5px;font-size:13px}
.panel-before{background:var(--surface-2);border-color:var(--line)}
.panel-before h3{color:var(--muted)}
.panel-before li{color:var(--muted)}
.panel-before li i{color:#A9B2AF}
.panel-after{
  position:relative;background:#fff;border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-md);
}
.panel-after li i{color:var(--success)}
.metric-rows{display:flex;flex-direction:column;gap:12px;margin-top:32px}
.metric-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr auto;gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 22px;box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.metric-row:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.metric-name{font-size:15px;font-weight:600}
.metric-cell{font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:2px}
.metric-cell .cell-label{font-size:12px;color:#9AA5A2;letter-spacing:.04em}
.metric-cell .num{color:var(--ink);font-size:16px;font-weight:600}
.metric-cell.after .num{color:var(--brand-700)}

/* 线路说明行 */
.route-list{display:flex;flex-direction:column;gap:14px;margin-top:36px}
.route-row{
  display:flex;align-items:center;gap:18px;
  background:linear-gradient(90deg,rgba(30,138,117,.06),rgba(242,162,58,.07));
  border:1px solid var(--line);border-radius:var(--r-md);padding:18px 22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.route-row:hover{transform:translateX(4px);box-shadow:var(--sh-sm)}
.route-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;
}
.route-body{flex:1 1 auto;min-width:0}
.route-body h3{font-size:17px;font-weight:600;margin-bottom:4px}
.route-body p{font-size:14px;color:var(--muted)}

/* ============ 静态文章链接列表 ============ */
.link-list{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.link-item{
  display:flex;flex-direction:column;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.link-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.link-item .item-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.link-item h3{font-size:19px;font-weight:600;line-height:1.45}
.link-item h3 a{color:var(--ink)}
.link-item h3 a:hover{color:var(--brand-700)}
.link-item p{font-size:14px;color:var(--muted);line-height:1.7}
.link-more{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-700);
  display:inline-flex;align-items:center;gap:6px;
}
.link-more i{transition:transform .18s ease}
.link-item:hover .link-more i{transform:translateX(4px)}
.link-more:hover{color:var(--accent-600)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:0.85fr 1.15fr;gap:44px;align-items:start}
.faq-aside h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:15px}
.faq-aside .badge-soft{margin-top:20px}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:var(--r-md) !important;
  overflow:hidden;margin-bottom:12px;background:var(--surface);box-shadow:var(--sh-sm);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:var(--surface);
  padding:18px 22px;box-shadow:none !important;line-height:1.5;
}
.accordion-button:hover{color:var(--brand-700)}
.accordion-button:not(.collapsed){
  background:linear-gradient(90deg,rgba(30,138,117,.09),rgba(242,162,58,.07));
  color:var(--brand-700);
  box-shadow:inset 4px 0 0 0 var(--accent-500) !important;
}
.accordion-button::after{
  content:"+";background-image:none !important;
  width:28px;height:28px;flex:0 0 28px;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;line-height:1;color:var(--brand-500);
  border:1px solid var(--line);border-radius:50%;
  transform:none;transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);background:var(--accent-500);color:#fff;border-color:var(--accent-500);
}
.accordion-body{
  padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--muted);
  background:linear-gradient(180deg,rgba(30,138,117,.045),transparent 40%);
}

/* ============ 转化表单 ============ */
.form-grid{display:grid;grid-template-columns:1.25fr 0.75fr;gap:28px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px;box-shadow:var(--sh-md);position:relative;overflow:hidden;
}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.form-card h2{font-size:24px;font-weight:700;margin-bottom:8px}
.form-card .form-intro{font-size:14px;color:var(--muted);margin-bottom:26px}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-control,.form-select{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:15px;color:var(--ink);padding:10px 14px;box-shadow:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control{height:auto;min-height:124px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:#9AA5A2}
.form-control:focus,.form-select:focus{
  border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(242,162,58,.22);outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--danger)}
.form-check-input{width:18px;height:18px;border-color:var(--line);margin-top:.28em}
.form-check-input:checked{background-color:var(--brand-500);border-color:var(--brand-500)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(242,162,58,.25);border-color:var(--accent-500)}
.form-check-label{font-size:14px;color:var(--muted);line-height:1.7}
.form-hint{font-size:13px;color:#9AA5A2;margin-top:8px}
.trust-card{
  background:linear-gradient(160deg,#0B3A34 0%,#0F5A4E 100%);
  border-radius:var(--r-xl);padding:30px;color:#fff;box-shadow:var(--sh-lg);
}
.trust-card h3{font-size:19px;font-weight:600;margin-bottom:18px;color:#fff}
.trust-list{display:flex;flex-direction:column;gap:16px}
.trust-list li{display:flex;gap:12px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.82)}
.trust-list li i{
  width:30px;height:30px;flex:0 0 30px;border-radius:10px;
  background:rgba(242,162,58,.18);color:var(--accent-300);
  display:flex;align-items:center;justify-content:center;font-size:13px;margin-top:2px;
}
.trust-card .badge-soft{margin-top:22px;background:rgba(255,209,153,.14);color:var(--accent-300);border-color:rgba(255,209,153,.3)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;padding:64px 0 0;
  background:linear-gradient(180deg,#0B3A34 0%,#0F5A4E 100%);
  color:rgba(255,255,255,.78);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;font-size:14px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin-bottom:16px;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--accent-300);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact span{display:flex;gap:10px;align-items:flex-start;line-height:1.65}
.footer-contact i{color:var(--accent-300);margin-top:4px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199.98px){
  .app-shell{width:80px;padding:20px 12px;align-items:center;gap:20px}
  .app-shell .brand{justify-content:center}
  .app-shell .brand-text,.app-shell .shell-card,.side-nav:not(.side-nav--drawer) a span{display:none}
  .side-nav:not(.side-nav--drawer) a{justify-content:center;padding:12px 10px}
  .side-nav:not(.side-nav--drawer) a.active{padding-left:12px}
  .side-nav:not(.side-nav--drawer) a.active::before{top:6px;bottom:6px}
  .main{margin-left:80px}
  .steps-grid{grid-template-columns:repeat(3,1fr)}
  .step-card p{min-height:auto}
}
@media (max-width:991.98px){
  .app-shell{display:none}
  .mobile-topbar{display:flex}
  .main{margin-left:0;padding-top:64px}
  .sect{padding:64px 0}
  .compare-grid{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .link-list{grid-template-columns:1fr 1fr}
  .metric-row{grid-template-columns:1fr 1fr;gap:12px}
  .metric-name{grid-column:1 / -1;font-size:16px}
  .metric-delta{grid-column:1 / -1}
  .site-footer{margin-top:64px}
}
@media (max-width:767.98px){
  .cat-hero{padding:36px 0 46px}
  .cat-hero .lead{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;text-align:center}
  .steps-grid{grid-template-columns:1fr}
  .link-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-card,.trust-card{padding:24px}
  .route-row{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .container{padding-left:18px;padding-right:18px}
  .sect{padding:40px 0}
  .sect-tight{padding:40px 0}
  .cat-hero h1{font-size:30px}
  .cat-hero .lead{font-size:15px}
  .metric-row{padding:14px 16px}
  .compare-panel{padding:22px}
  .form-card h2{font-size:21px}
  .btn{width:100%}
  .hero-stats .stat-pill{flex:1 1 100%}
}