/* roulang page: index */
:root{
  --primary:#0E6E62;
  --primary-dark:#0A4F46;
  --primary-soft:#E6F2F0;
  --accent:#F2691F;
  --accent-dark:#D8570F;
  --gold:#D9A227;
  --base:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#F1EEE7;
  --ink-dark:#0A2A26;
  --text:#161A19;
  --text-2:#5B625F;
  --text-3:#8A918D;
  --border:#E3DED4;
  --line:#EDE8DF;
  --radius-lg:18px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,26,24,.05);
  --shadow-2:0 10px 24px -8px rgba(16,26,24,.14);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);
  background:var(--base);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--primary);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

.section{padding-top:64px;padding-bottom:64px;}
@media(min-width:768px){.section{padding-top:88px;padding-bottom:88px;}}
@media(min-width:1024px){.section{padding-top:112px;padding-bottom:112px;}}
.section--tight{padding-top:56px;padding-bottom:56px;}
.bg-alt{background:var(--surface-alt);}
.bg-white{background:var(--surface);}

.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;letter-spacing:.01em;}
.sec-sub{color:var(--text-2);font-size:15px;line-height:1.75;margin-top:10px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:var(--primary-soft);padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.eyebrow i{font-size:12px;}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--ink-dark);color:rgba(255,255,255,.82);font-size:13px;line-height:1.6;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.topbar-left{display:flex;align-items:center;gap:8px;}
.topbar-left i{color:var(--gold);}
.topbar-right a{display:inline-flex;align-items:center;gap:6px;color:#fff;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px;transition:color var(--ease),border-color var(--ease);}
.topbar-right a:hover{color:var(--gold);border-color:var(--gold);}
@media(max-width:640px){.topbar-left span.extra{display:none;}}

/* ---------- Header 卡片 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 10px;background:rgba(247,245,240,.94);}
.header-card{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:grid;place-items:center;color:#fff;font-size:17px;
  box-shadow:0 6px 14px -8px rgba(14,110,98,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.06em;}

.nav-panel{display:none;flex:1 1 auto;justify-content:center;}
@media(min-width:1024px){.nav-panel{display:flex;}}
.nav-inner{display:flex;align-items:center;gap:4px;background:var(--surface-alt);border:1px solid var(--line);border-radius:14px;padding:5px;}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 13px;border-radius:10px;font-size:14px;font-weight:600;color:var(--text-2);
  border:1px solid transparent;position:relative;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link i{font-size:13px;color:var(--text-3);transition:color var(--ease);}
.nav-link:hover{background:rgba(14,110,98,.08);color:var(--primary);}
.nav-link:hover i{color:var(--primary);}
.nav-link.is-active{color:var(--primary);border-color:rgba(14,110,98,.42);background:#fff;}
.nav-link.is-active i{color:var(--primary);}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--primary);}

.header-cta{display:none;align-items:center;gap:10px;flex:0 0 auto;}
@media(min-width:1024px){.header-cta{display:flex;}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-size:14px;font-weight:700;padding:10px 18px;line-height:1.4;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(242,105,31,.95);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1px solid var(--primary);color:var(--primary);}
.btn-ghost:hover{background:rgba(14,110,98,.08);color:var(--primary);}
.btn-soft{background:var(--primary-soft);color:var(--primary-dark);}
.btn-soft:hover{background:#d5e9e6;color:var(--primary-dark);}
.btn-lg{padding:13px 24px;font-size:15px;border-radius:12px;}
.btn-block{width:100%;}

.hamburger{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-alt);color:var(--text);font-size:16px;
}
@media(min-width:1024px){.hamburger{display:none;}}
.mobile-drawer{
  display:none;margin-top:10px;background:var(--surface);border:1px solid var(--border);
  border-radius:18px;box-shadow:var(--shadow-2);padding:14px;
}
.mobile-drawer.open{display:block;animation:drawerIn 180ms ease-out both;}
@keyframes drawerIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.drawer-item{
  display:flex;align-items:center;gap:9px;padding:11px 12px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface-alt);font-size:14px;font-weight:600;color:var(--text-2);
}
.drawer-item i{color:var(--primary);font-size:14px;}
.drawer-item.is-active{border-color:rgba(14,110,98,.45);color:var(--primary);background:#fff;}
.drawer-item:hover{background:rgba(14,110,98,.08);color:var(--primary);}
.drawer-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:42px;padding-bottom:64px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(14,110,98,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(14,110,98,.06) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:48px;}}
.hero h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;letter-spacing:.01em;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.75;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);}
.metric-num{font-size:clamp(26px,3.4vw,34px);font-weight:800;color:var(--primary);line-height:1.15;}
.metric-label{font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.6;}
.hero-visual{position:relative;}
.hero-visual .media{aspect-ratio:16/10;border-radius:18px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-2);background:var(--primary-soft);}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:16px;bottom:-14px;background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:10px 16px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-2);
}
.hero-badge i{color:var(--accent);font-size:15px;}
.hero-badge span{font-size:13px;font-weight:600;color:var(--text-2);}
.hero-badge strong{font-size:15px;color:var(--text);}

/* ---------- 刻度横排（价值主张） ---------- */
.scale-row{position:relative;padding-top:34px;}
.scale-line{position:absolute;top:9px;left:0;right:0;height:1px;background:var(--line);}
.scale-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:640px){.scale-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}}
@media(min-width:1024px){.scale-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.scale-node{position:relative;padding-top:24px;}
.scale-node::before{content:"";position:absolute;top:0;left:0;width:19px;height:19px;border-radius:50%;background:var(--base);border:2px solid var(--primary);}
.scale-node::after{content:"";position:absolute;top:8px;left:8px;width:3px;height:3px;border-radius:50%;background:var(--primary);}
.scale-idx{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;}
.scale-title{font-size:18px;font-weight:700;margin-top:6px;}
.scale-text{font-size:15px;color:var(--text-2);line-height:1.75;margin-top:8px;}
@media(max-width:639px){
  .scale-line{display:none;}
  .scale-grid{gap:0;}
  .scale-node{padding-left:34px;padding-top:0;padding-bottom:26px;border-left:1px solid var(--line);}
  .scale-node::before{top:4px;left:-10px;}
  .scale-node::after{top:12px;left:-2px;}
  .scale-node:last-child{border-left-color:transparent;padding-bottom:0;}
}

/* ---------- 功能分组混排 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:1024px){.feature-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;}}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.3);}
.card-pad{padding:26px;}
.f-main{grid-column:span 12;}
.f-small{grid-column:span 12;}
@media(min-width:1024px){
  .f-main{grid-column:span 6;}
  .f-small{grid-column:span 3;}
  .f-wide{grid-column:span 12;}
}
.f-main .media,.f-small .media{aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:var(--primary-soft);border:1px solid var(--line);margin-bottom:18px;}
.f-main .media img,.f-small .media img{width:100%;height:100%;object-fit:cover;}
.f-title{font-size:20px;font-weight:700;line-height:1.4;}
.f-text{font-size:15px;color:var(--text-2);line-height:1.75;margin-top:10px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);}
.tag--accent{background:rgba(242,105,31,.12);color:var(--accent-dark);}
.tag--gold{background:rgba(217,162,39,.16);color:#8a6412;}
.f-wide{padding:0;overflow:hidden;}
.f-wide-inner{display:grid;grid-template-columns:1fr;gap:0;}
@media(min-width:1024px){.f-wide-inner{grid-template-columns:1.05fr .95fr;align-items:stretch;}}
.f-wide-text{padding:32px;display:flex;flex-direction:column;justify-content:center;}
.f-wide-media{min-height:240px;background:var(--primary-soft);border-top:1px solid var(--line);}
@media(min-width:1024px){.f-wide-media{border-top:none;border-left:1px solid var(--line);}}
.f-wide-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 使用场景 zigzag ---------- */
.zigzag{display:flex;flex-direction:column;gap:56px;}
.zig{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media(min-width:1024px){.zig{grid-template-columns:1fr 1fr;gap:56px;}.zig.reverse .zig-media{order:2;}}
.zig-media{border-radius:18px;overflow:hidden;border:1px solid var(--border);background:var(--primary-soft);box-shadow:var(--shadow-1);}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.zig-body h3{font-size:22px;font-weight:700;margin-top:12px;line-height:1.4;}
.zig-body p{font-size:15.5px;color:var(--text-2);line-height:1.8;margin-top:12px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;font-weight:700;color:var(--primary);}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 案例横向带 ---------- */
.case-strip{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;}
.case-strip::-webkit-scrollbar{height:6px;}
.case-strip::-webkit-scrollbar-thumb{background:rgba(14,110,98,.35);border-radius:999px;}
.case-strip::-webkit-scrollbar-track{background:var(--line);border-radius:999px;}
.case-card{flex:0 0 300px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
@media(min-width:768px){.case-card{flex:0 0 340px;}}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.3);}
.case-card .media{aspect-ratio:16/9;background:var(--primary-soft);}
.case-card .media img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:20px;}
.case-org{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.02em;}
.case-text{font-size:15px;color:var(--text-2);line-height:1.75;margin-top:8px;}
.case-stats{display:flex;gap:22px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}
.case-stat strong{display:block;font-size:20px;font-weight:800;color:var(--accent);line-height:1.2;}
.case-stat span{font-size:12.5px;color:var(--text-3);}

/* ---------- CMS 列表 ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);height:100%;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.3);}
.post-card--lead{grid-column:span 1;}
@media(min-width:1024px){.post-card--lead{grid-column:span 2;}}
.post-card--lead .post-body{padding:24px;}
.post-card--lead .post-cover{aspect-ratio:16/9;}
.post-cover{aspect-ratio:16/9;background:var(--primary-soft);border-bottom:1px solid var(--line);}
.post-cover img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card--lead .post-title{font-size:21px;}
.post-excerpt{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:16px;}
.post-time{font-size:13px;color:var(--text-3);}
.empty-state{border:1px dashed var(--border);border-radius:16px;padding:54px 24px;text-align:center;background:var(--surface);}
.empty-state i{font-size:28px;color:var(--primary);}
.empty-state p{margin-top:14px;color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:18px;}

/* ---------- 价格 ---------- */
.switch-wrap{display:flex;justify-content:center;margin-bottom:40px;}
.switch{display:inline-flex;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:5px;gap:4px;}
.switch button{padding:8px 22px;border-radius:999px;font-size:14px;font-weight:700;color:var(--text-2);transition:background var(--ease),color var(--ease);}
.switch button.is-on{background:var(--primary);color:#fff;}
.price-grid{display:grid;grid-template-columns:1fr;gap:22px;align-items:start;}
@media(min-width:1024px){.price-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:16px;}}
.price-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:var(--shadow-1);position:relative;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
@media(min-width:1024px){.price-card--featured{margin-top:-16px;border:2px solid var(--primary);box-shadow:var(--shadow-2);background:#fff;}}
.price-badge{position:absolute;top:-13px;right:22px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;}
.price-name{font-size:17px;font-weight:700;}
.price-desc{font-size:13.5px;color:var(--text-3);margin-top:6px;line-height:1.7;}
.price-amount{display:flex;align-items:flex-end;gap:8px;margin-top:20px;}
.price-amount .num{font-size:38px;font-weight:800;color:var(--text);line-height:1;}
.price-amount .unit{font-size:14px;color:var(--text-3);padding-bottom:4px;}
.price-list{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:11px;}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;}
.price-list i{color:var(--primary);font-size:13px;margin-top:6px;flex:0 0 auto;}
.price-card .btn{margin-top:24px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item.open{border-color:rgba(14,110,98,.4);box-shadow:var(--shadow-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--text);}
.faq-q i{color:var(--primary);font-size:14px;transition:transform var(--ease);flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.8;border-left:3px solid transparent;}
.faq-item.open .faq-a{display:block;border-left-color:var(--primary);background:rgba(230,242,240,.42);padding-top:2px;margin-left:0;padding-left:19px;}

/* ---------- CTA ---------- */
.cta-block{background:var(--ink-dark);color:#fff;border-radius:0;position:relative;overflow:hidden;padding:72px 0;}
@media(min-width:1024px){.cta-block{padding:96px 0;}}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;display:flex;flex-direction:column;gap:26px;align-items:flex-start;}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.75);font-size:15.5px;line-height:1.8;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,.7);font-size:14px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:15px;}
.footer-about{margin-top:16px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);transition:color var(--ease),padding-left var(--ease);}
.footer-links a:hover{color:var(--gold);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;line-height:1.75;margin-bottom:11px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:13px;}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13px;color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;}

/* ---------- 表单 ---------- */
.form-field{display:flex;flex-direction:column;gap:7px;}
.form-label{font-size:13px;color:var(--text-2);font-weight:600;}
.form-input{height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;padding:0 14px;font-size:14.5px;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);}
.form-input::placeholder{color:var(--text-3);}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,110,98,.14);}
.contact-panel{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:var(--shadow-1);}

/* roulang page: article */
:root{
  --primary:#0E6E62;--primary-dark:#0A4F46;--primary-soft:#E6F2F0;
  --accent:#F2691F;--accent-dark:#D9560F;--gold:#D9A227;
  --base:#F7F5F0;--surface:#FFFFFF;--surface-alt:#F1EEE7;--dark:#0A2A26;
  --ink:#161A19;--ink-2:#5B625F;--ink-3:#8A918D;
  --border:#E3DED4;--line:#EDE8DF;
  --r-lg:18px;--r:16px;--r-sm:12px;--r-btn:10px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 24px -8px rgba(16,26,24,.14);
  --ease:180ms ease-out;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--base);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--dark);color:#BFD3CF;font-size:13px;line-height:1.4}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:32px;gap:14px}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note i{color:var(--gold)}
.topbar-link{color:#F2F7F5;border-bottom:1px solid transparent;transition:border-color var(--ease),color var(--ease)}
.topbar-link:hover{color:#fff;border-bottom-color:var(--accent)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:10px 0;background:rgba(247,245,240,.94);backdrop-filter:saturate(120%)}
.header-card{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--primary),var(--primary-dark));color:#fff;font-size:17px;
  box-shadow:0 6px 14px -8px rgba(10,79,70,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--ink-3)}
.nav-panel{flex:1;min-width:0}
.nav-inner{display:flex;align-items:center;gap:6px;justify-content:center}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 12px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-link i{font-size:13px;color:var(--ink-3);transition:color var(--ease)}
.nav-link:hover{background:rgba(14,110,98,.08);color:var(--primary);border-color:rgba(14,110,98,.16)}
.nav-link:hover i{color:var(--primary)}
.nav-link.is-active{color:var(--primary);border-color:var(--primary);position:relative;font-weight:600}
.nav-link.is-active i{color:var(--primary)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--primary);border-radius:2px}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-btn);font-size:14px;font-weight:600;
  border:1px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(242,105,31,.9)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-block{width:100%}
.mobile-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);color:var(--primary);font-size:16px;place-items:center;
}
.drawer{
  display:none;margin-top:10px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:14px;
}
.drawer.is-open{display:block;animation:drawerIn 180ms ease-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.drawer-grid .nav-link{justify-content:flex-start;border:1px solid var(--border);background:var(--surface-alt)}
.drawer-cta{display:flex;gap:10px;margin-top:12px}
@media(max-width:1023px){
  .nav-panel{display:none}
  .header-cta{display:none}
  .mobile-toggle{display:grid;margin-left:auto}
  .brand-name{font-size:15px}
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 6px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.crumb-sep{color:#C9C2B6}
.breadcrumb .current{color:var(--primary);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:18px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
@media(max-width:1023px){.article-grid{grid-template-columns:minmax(0,1fr);gap:28px}}

.article-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px 22px 34px;
}
@media(min-width:768px){.article-card{padding:38px 44px 46px}}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(14,110,98,.1);color:var(--primary-dark);font-size:12px;font-weight:600;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:800;letter-spacing:.01em;
  margin:16px 0 14px;word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.meta-row .dot{color:#C9C2B6}
.meta-row i{color:var(--ink-3);margin-right:4px}
.article-cover{margin:24px 0 8px;border-radius:var(--r);overflow:hidden;border:1px solid var(--border);aspect-ratio:16/9;background:var(--primary-soft)}
.article-cover img{width:100%;height:100%;object-fit:cover}
.cover-cap{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}

/* 长文排版 */
.article-body{margin-top:26px;font-size:16px;line-height:1.85;color:#22262580}
.article-body{color:#232725}
.article-body h2{
  font-size:22px;line-height:1.4;font-weight:700;margin:40px 0 14px;padding-left:12px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:18px;font-weight:600;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body p{margin:0 0 1em;text-indent:0}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;line-height:1.8}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:6px}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(14,110,98,.35);transition:border-color var(--ease)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body blockquote{
  margin:22px 0;padding:14px 18px;border-left:3px solid var(--primary);
  background:var(--primary-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#2B3330;font-style:normal;
}
.article-body img{border-radius:12px;margin:22px auto;border:1px solid var(--border)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.article-body thead th{background:var(--surface-alt)}
.article-body tbody tr:nth-child(even){background:#FAF8F4}
.article-body code{background:var(--surface-alt);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  margin-top:24px;padding:48px 20px;text-align:center;border:1px dashed var(--border);
  border-radius:var(--r);background:var(--surface-alt);
}
.empty-state i{font-size:34px;color:var(--primary)}
.empty-state h2{font-size:20px;font-weight:700;margin:14px 0 8px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* 尾部导航 */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px}
@media(max-width:639px){.post-nav{grid-template-columns:minmax(0,1fr)}}
.post-nav-card{
  display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:16px 18px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.post-nav-card:hover{transform:translateY(-2px);border-color:rgba(14,110,98,.35);box-shadow:var(--sh-2)}
.post-nav-card .label{font-size:12px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.post-nav-card .title{font-size:15px;font-weight:600;color:var(--ink);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-nav-card:hover .title{color:var(--primary)}
.back-row{margin-top:22px;display:flex;justify-content:center}

/* 侧栏 */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
@media(max-width:1023px){.side-stack{position:static}}
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:18px;box-shadow:var(--sh-1)}
.side-title{font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:12px}
.side-title i{color:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc-item{
  display:block;font-size:14px;color:var(--ink-2);padding:7px 10px;border-left:2px solid var(--line);
  border-radius:0 8px 8px 0;transition:all var(--ease);line-height:1.5;
}
.toc-item:hover{background:var(--surface-alt);color:var(--primary)}
.toc-item.is-current{border-left-color:var(--primary);color:var(--primary);background:var(--primary-soft);font-weight:600}
.toc-item.lv3{padding-left:22px;font-size:13px}
.side-list{display:flex;flex-direction:column;gap:10px}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.6;
  padding-bottom:10px;border-bottom:1px dashed var(--line);transition:color var(--ease);
}
.side-list a:last-child{border-bottom:0;padding-bottom:0}
.side-list a:hover{color:var(--primary)}
.side-list i{color:var(--primary);margin-top:5px;font-size:12px}
.side-actions{display:flex;flex-direction:column;gap:10px}

/* ---------- CTA 区 ---------- */
.cta-band{
  background:var(--dark);color:#EAF3F1;border-radius:var(--r-lg);padding:52px 26px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.35}
.cta-inner p{margin-top:10px;font-size:15px;color:#B9CFCB;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C6D8D4;margin-top:64px;padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
@media(max-width:1023px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:linear-gradient(150deg,#12897A,var(--primary-dark))}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:#9FB8B4}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-contact li{font-size:14px;color:#9FB8B4;transition:color var(--ease)}
.footer-links a{display:inline-block;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:all var(--ease)}
.footer-links a:hover{color:#fff;text-decoration-color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:12px}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8AA5A1;
}
.float-top{
  position:fixed;right:16px;bottom:22px;z-index:70;display:none;
  width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:0;
  box-shadow:var(--sh-2);place-items:center;font-size:15px;
}
@media(max-width:1023px){.float-top{display:grid}}

/* roulang page: category1 */
:root{
  --primary:#0E6E62;
  --primary-dark:#0A4F46;
  --primary-light:#E6F2F0;
  --accent:#F2691F;
  --accent-dark:#D85A15;
  --gold:#D9A227;
  --base:#F7F5F0;
  --alt:#F1EEE7;
  --white:#FFFFFF;
  --dark:#0A2A26;
  --text:#161A19;
  --text-2:#5B625F;
  --text-3:#8A918D;
  --border:#E3DED4;
  --line:#EDE8DF;
  --r-lg:18px;
  --r:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 24px -8px rgba(16,26,24,.14);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--base);
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
img{max-width:100%;display:block;border-radius:var(--r);}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 顶部细条 ---------- */
.top-strip{
  background:var(--dark);
  color:#CFE6E1;
  font-size:13px;
  line-height:1.6;
}
.top-strip .container{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:6px;
  padding-bottom:6px;
}
.top-strip .strip-left i{color:var(--gold);margin-right:6px;}
.top-strip a.strip-link{color:#E6F2F0;border-bottom:1px dashed rgba(230,242,240,.5);padding-bottom:1px;}
.top-strip a.strip-link:hover{color:#fff;border-bottom-color:#fff;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0 8px;
  background:linear-gradient(180deg,rgba(247,245,240,.96) 60%,rgba(247,245,240,.7));
  backdrop-filter:blur(0);
}
.header-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:10px 12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  font-size:18px;
  box-shadow:0 6px 14px -6px rgba(14,110,98,.6);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.08em;}
.nav-panel{
  flex:1;
  min-width:0;
  background:var(--base);
  border:1px solid var(--line);
  border-radius:14px;
  padding:6px;
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:4px;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 11px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  border:1px solid transparent;
  position:relative;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.nav-link i{font-size:13px;color:var(--text-3);transition:color .18s ease-out;}
.nav-link:hover{background:rgba(14,110,98,.08);color:var(--primary);}
.nav-link:hover i{color:var(--primary);}
.nav-link.is-active{
  color:var(--primary);
  border-color:rgba(14,110,98,.45);
  background:rgba(14,110,98,.06);
  font-weight:600;
}
.nav-link.is-active i{color:var(--primary);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:2px;
  height:2px;border-radius:2px;background:var(--primary);
}
.header-cta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--white);
  color:var(--primary);
  font-size:17px;
  align-items:center;justify-content:center;
}
.nav-drawer{display:none;}
.nav-drawer.is-open{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-top:10px;
  padding:12px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r);
  box-shadow:var(--sh-2);
  animation:drawerIn .18s ease-out;
}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
.nav-drawer .nav-link{justify-content:flex-start;}
.nav-drawer .drawer-cta{grid-column:1/-1;display:flex;gap:10px;margin-top:4px;}
.nav-drawer .drawer-cta .btn{flex:1;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 18px;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(242,105,31,.85);
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(14,110,98,.08);}
.btn-light{
  background:#fff;
  color:var(--primary-dark);
}
.btn-light:hover{background:var(--primary-light);transform:translateY(-1px);}
.btn-block{width:100%;justify-content:center;}

/* ---------- 区块与标题 ---------- */
.section{padding-top:64px;padding-bottom:64px;}
@media(min-width:768px){.section{padding-top:80px;padding-bottom:80px;}}
@media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px;}}
.section-alt{background:var(--alt);}
.section-white{background:var(--white);}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-light);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:14px;
}
.eyebrow i{font-size:12px;color:var(--gold);}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;letter-spacing:.01em;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;letter-spacing:.01em;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{font-size:16px;line-height:1.8;}
.lead{font-size:16px;color:var(--text-2);line-height:1.85;}
.muted{color:var(--text-2);}
.small{font-size:13px;line-height:1.6;color:var(--text-3);}

/* ---------- Hero 横条 ---------- */
.hero-band{
  padding-top:24px;
  padding-bottom:8px;
}
.hero-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px;
}
.hero-card::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,110,98,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(14,110,98,.06) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
  pointer-events:none;
}
.hero-copy{position:relative;z-index:1;}
.hero-copy h1{margin-bottom:14px;}
.hero-sub{font-size:17px;color:var(--text-2);margin-bottom:22px;}
.tag-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  margin-bottom:24px;
}
.tag-card{
  display:flex;align-items:center;gap:8px;
  background:var(--base);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:10px 12px;
  font-size:13.5px;
  color:var(--text-2);
  transition:border-color .18s ease-out,background-color .18s ease-out,transform .18s ease-out;
}
.tag-card i{color:var(--primary);font-size:13px;}
.tag-card:hover{border-color:rgba(14,110,98,.35);background:var(--primary-light);transform:translateY(-2px);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-media{position:relative;z-index:1;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border:1px solid var(--border);
  border-radius:var(--r);
  background:var(--primary-light);
}
.hero-media figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center;}

/* ---------- 双列内容卡片网格 ---------- */
.card-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.content-card{
  display:flex;
  gap:16px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.content-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(14,110,98,.3);
}
.card-icon{
  width:44px;height:44px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:17px;
}
.content-card h3{margin-bottom:8px;font-size:19px;}
.content-card p{font-size:15px;color:var(--text-2);line-height:1.75;}
.card-more{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:14px;font-weight:600;color:var(--primary);
}
.card-more i{transition:transform .18s ease-out;}
.card-more:hover i{transform:translateX(4px);}

/* ---------- 图文错位 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
}
.split.reverse .split-media{order:2;}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border:1px solid var(--border);
  border-radius:var(--r);
  background:var(--primary-light);
}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:10px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.75;
}
.check-list i{color:var(--primary);margin-top:6px;font-size:13px;}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
}
.stat-item{border-left:2px solid var(--primary-light);padding-left:18px;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(30px,3.4vw,36px);
  font-weight:800;
  color:var(--primary);
  line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.stat-num span{font-size:16px;margin-left:2px;color:var(--text-2);font-weight:600;}
.stat-label{font-size:13.5px;color:var(--text-2);margin-top:6px;}

/* ---------- 编号刻度 ---------- */
.scale-row{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  padding-top:26px;
}
.scale-row::before{
  content:"";
  position:absolute;top:8px;left:0;right:0;
  height:1px;background:var(--line);
}
.scale-node{position:relative;padding-top:18px;}
.scale-node::before{
  content:"";
  position:absolute;top:-24px;left:0;
  width:10px;height:10px;border-radius:50%;
  background:var(--white);
  border:2px solid var(--primary);
}
.scale-node .num{
  font-family:var(--font-num);
  font-size:14px;font-weight:700;color:var(--accent);
  letter-spacing:.06em;
}
.scale-node h4{margin:6px 0 6px;}
.scale-node p{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:4px 11px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
}
.badge-accent{background:rgba(242,105,31,.12);color:var(--accent-dark);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:rgba(14,110,98,.3);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-q i{
  color:var(--primary);
  font-size:14px;
  transition:transform .2s ease-out;
  flex-shrink:0;
}
.faq-a{
  display:none;
  padding:0 20px 18px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
  border-left:3px solid transparent;
}
.faq-item.is-open{background:#FCFBF8;}
.faq-item.is-open .faq-a{
  display:block;
  border-left-color:var(--primary);
  background:rgba(14,110,98,.04);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding-top:14px;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:44px;
  color:#F2F7F6;
}
.cta-block::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:start;
}
.cta-block h2{color:#fff;margin-bottom:12px;}
.cta-block p{color:#B9D4CF;font-size:15.5px;}
.cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#CFE6E1;}
.cta-points i{color:var(--gold);margin-top:6px;font-size:12px;}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r);
  padding:24px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  color:#B9D4CF;
  margin-bottom:6px;
}
.field input,
.field textarea{
  width:100%;
  background:rgba(255,255,255,.94);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  min-height:44px;
  padding:10px 13px;
  font-size:15px;
  color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(14,110,98,.45);
}
.field input::placeholder,
.field textarea::placeholder{color:#9AA29E;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);
  color:#B9D4CF;
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-about{font-size:14.5px;line-height:1.8;color:#9EC0BA;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{
  font-size:14.5px;
  color:#9EC0BA;
  text-underline-offset:4px;
  transition:color .18s ease-out;
}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact{display:grid;gap:10px;font-size:14.5px;color:#9EC0BA;}
.footer-contact i{color:var(--gold);margin-right:8px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:#87A9A3;
}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .nav-panel{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-card{justify-content:space-between;}
  .hero-card{grid-template-columns:1fr;padding:26px;}
  .hero-media{order:2;}
  .split{gap:28px;}
  .split-media{order:0 !important;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  .card-grid-2{grid-template-columns:1fr;gap:16px;}
  .scale-row{grid-template-columns:1fr;gap:20px;padding-top:0;}
  .scale-row::before{display:none;}
  .scale-node{padding-top:0;padding-left:18px;border-left:2px solid var(--primary-light);}
  .scale-node::before{top:8px;left:-6px;}
  .stat-bar{grid-template-columns:1fr;gap:18px;padding:22px;}
  .hero-card{padding:22px;gap:20px;}
  .tag-grid{grid-template-columns:1fr 1fr;}
  .nav-drawer.is-open{grid-template-columns:1fr;}
  .cta-block{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;}
}
@media(max-width:519px){
  .brand-text{font-size:15px;}
  .brand-text small{display:none;}
  .tag-grid{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{justify-content:center;}
}

/* roulang page: category2 */
:root{
  --primary:#0E6E62;
  --primary-dark:#0A4F46;
  --primary-light:#E6F2F0;
  --accent:#F2691F;
  --accent-dark:#D9550F;
  --gold:#D9A227;
  --base:#F7F5F0;
  --surface:#FFFFFF;
  --surface-2:#F1EEE7;
  --dark:#0A2A26;
  --text:#161A19;
  --text-2:#5B625F;
  --text-3:#8A918D;
  --border:#E3DED4;
  --line:#EDE8DF;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,26,24,.05);
  --shadow-2:0 10px 24px -8px rgba(16,26,24,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--base);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--dark);color:#CFE3DF;font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar-inner span{display:inline-flex;align-items:center;gap:8px}
.topbar-inner i{color:var(--gold)}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px;transition:color .18s ease}
.topbar a:hover{color:var(--gold)}
@media(max-width:640px){.topbar-inner{font-size:12px}.topbar-inner .topbar-note{display:none}}

/* ---------- 头部卡片 ---------- */
.site-header{padding:18px 0 0}
.header-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 6px 14px -6px rgba(14,110,98,.6);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-text small{font-size:12px;color:var(--text-3)}
.nav-panel{flex:1 1 auto;min-width:0}
.nav-inner{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:12px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;border-bottom:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-link i{font-size:14px;color:var(--primary)}
.nav-link:hover{background:rgba(14,110,98,.08);color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:700;border-color:rgba(14,110,98,.45);border-bottom-color:var(--primary);background:rgba(14,110,98,.06)}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  align-items:center;justify-content:center;color:var(--primary);background:var(--surface-2);font-size:17px;
}
.mobile-drawer{display:none;margin-top:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);padding:14px}
.mobile-drawer.is-open{display:block;animation:drawerIn .18s ease-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.drawer-link{
  display:flex;align-items:center;gap:9px;padding:12px;border-radius:12px;
  border:1px solid var(--border);background:var(--surface-2);font-size:14px;color:var(--text-2);
}
.drawer-link i{color:var(--primary)}
.drawer-link.is-active{border-color:var(--primary);color:var(--primary);font-weight:700;background:var(--primary-light)}
.drawer-cta{display:flex;gap:10px;margin-top:12px}
@media(max-width:1023px){
  .nav-panel{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(242,105,31,.9)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(14,110,98,.08)}
.btn-sm{min-height:38px;padding:0 15px;font-size:14px;border-radius:10px}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:34px 0 8px}
.cat-hero-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:26px;
  display:grid;gap:26px;grid-template-columns:1.35fr .85fr;align-items:center;
  position:relative;overflow:hidden;
}
.cat-hero-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(14,110,98,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(14,110,98,.05) 1px,transparent 1px);
  background-size:38px 38px;opacity:.7;
}
.cat-hero-body{position:relative;z-index:1}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(14,110,98,.1);color:var(--primary);
}
.badge-accent{background:rgba(242,105,31,.12);color:var(--accent-dark)}
h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;letter-spacing:.01em;
  margin:16px 0 12px;
}
.hero-sub{font-size:16px;color:var(--text-2);max-width:46em}
.tag-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:22px 0 20px}
.tag-card{
  border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);
  padding:12px 13px;display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2);
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.tag-card i{color:var(--primary);font-size:14px}
.tag-card:hover{border-color:rgba(14,110,98,.4);background:var(--primary-light);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.cat-hero-media{position:relative;z-index:1}
.cat-hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--primary-light);
}
@media(max-width:900px){
  .cat-hero-card{grid-template-columns:1fr;padding:22px}
  .cat-hero-media img{aspect-ratio:16/9}
}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:30px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;margin-top:12px}
.section-head p{color:var(--text-2);margin-top:12px}

/* ---------- 主体两栏 ---------- */
.content-layout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:32px;align-items:start}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-1);padding:20px;
}
.side-card.sticky{position:sticky;top:20px}
.side-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase}
.toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);padding:9px 10px;border-radius:10px;
  border-left:2px solid transparent;transition:all .18s ease;
}
.toc-list a span{color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums}
.toc-list a:hover,.toc-list a.is-current{color:var(--primary);background:rgba(14,110,98,.07);border-left-color:var(--primary)}
.side-note{
  margin-top:18px;padding:14px;border-radius:var(--radius-sm);background:var(--primary-light);
  font-size:13.5px;line-height:1.75;color:var(--primary-dark);
}
.side-note strong{display:block;margin-bottom:4px;font-size:14px}
.side-actions{margin-top:16px;display:flex;flex-direction:column;gap:10px}

/* ---------- 图文错位 ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line)}
.zigzag:last-child{border-bottom:0}
.zigzag.reverse .zigzag-media{order:2}
.zigzag-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--primary-light);box-shadow:var(--shadow-1);
}
.zigzag-body h3{font-size:20px;line-height:1.4;font-weight:700;margin:12px 0 12px}
.zigzag-body p{color:var(--text-2);font-size:15.5px}
.point-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2)}
.point-list i{color:var(--primary);font-size:13px;margin-top:6px}
.text-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:16px;
  color:var(--primary);font-weight:700;font-size:14.5px;transition:gap .18s ease,color .18s ease;
}
.text-link:hover{gap:11px;color:var(--primary-dark)}
@media(max-width:900px){
  .zigzag{grid-template-columns:1fr;gap:20px}
  .zigzag.reverse .zigzag-media{order:0}
  .zigzag-body h3{margin-top:8px}
}

/* ---------- 编号刻度 ---------- */
.rail{position:relative;margin-top:8px}
.rail-line{position:absolute;left:0;right:0;top:22px;height:1px;background:var(--border)}
.rail-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.rail-node{display:flex;flex-direction:column;gap:10px}
.rail-index{
  width:44px;height:44px;border-radius:14px;background:var(--surface);border:1px solid var(--border);
  color:var(--primary);font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;box-shadow:var(--shadow-1);
}
.rail-node h3{font-size:17px;font-weight:700;line-height:1.5}
.rail-node p{font-size:14.5px;color:var(--text-2)}
@media(max-width:900px){
  .rail-line{left:21px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .rail-grid{grid-template-columns:1fr;gap:24px}
  .rail-node{flex-direction:row;gap:16px}
  .rail-node > div{display:flex;flex-direction:column;gap:6px}
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(14,110,98,.35);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .22s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--text-2);border-left:3px solid transparent}
.faq-item.is-open{border-color:rgba(14,110,98,.5);box-shadow:var(--shadow-1)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-item.is-open .faq-a-inner{border-left-color:var(--primary);background:rgba(14,110,98,.04);padding-left:17px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);color:#EAF3F1;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 22px);
  opacity:.7;pointer-events:none;
}
.cta-inner{position:relative;padding:72px 0;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.cta-inner h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:800;color:#fff;margin-bottom:14px}
.cta-inner p{color:#B9D2CE;font-size:15.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.form-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:22px;
}
.form-panel .form-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.form-panel .form-tip{font-size:13px;color:#9FBCB8;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;color:#B9D2CE}
.field input,.field textarea{
  min-height:44px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(10,42,38,.55);padding:10px 13px;font-size:14.5px;color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:90px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#7B9B97}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(242,105,31,.35)}
.form-msg{font-size:13px;color:#F8C69E;margin-top:10px;min-height:18px}
@media(max-width:900px){
  .cta-inner{grid-template-columns:1fr;padding:56px 0}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C7DCD8;padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:16px}
.footer-about{margin-top:14px;font-size:14px;line-height:1.8;color:#9FBCB8}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:#B9D2CE;transition:color .18s ease,text-underline-offset .18s ease}
.footer-links a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:4px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#B9D2CE}
.footer-contact i{color:var(--primary-light);margin-right:8px;font-size:13px}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7B9B97;
}
@media(max-width:1023px){
  .content-layout{grid-template-columns:1fr}
  .side-card.sticky{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .section-head h2{margin-top:8px}
}
@media(max-width:520px){
  h1{font-size:29px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .drawer-grid{grid-template-columns:1fr}
  .drawer-cta{flex-direction:column}
  .rail-node{flex-direction:row}
}

/* roulang page: category3 */
:root{
  --primary:#0E6E62;
  --primary-dark:#0A4F46;
  --primary-soft:#E6F2F0;
  --accent:#F2691F;
  --accent-dark:#D2560F;
  --gold:#D9A227;
  --base:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#F1EEE7;
  --dark:#0A2A26;
  --text:#161A19;
  --text-2:#5B625F;
  --text-3:#8A918D;
  --border:#E3DED4;
  --line:#EDE8DF;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,26,24,.05);
  --shadow-2:0 10px 24px -8px rgba(16,26,24,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--base);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out;}
img{max-width:100%;display:block;}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-alt{background:var(--surface-alt);}
.section-white{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;margin:12px 0 12px;}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:4px 12px;
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(242,105,31,.75);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:rgba(14,110,98,.08);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-lg{padding:13px 24px;font-size:16px;}
/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--base);border-bottom:1px solid var(--line);}
.topbar{background:var(--primary-dark);color:#CFE6E2;font-size:13px;line-height:1.6;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px;}
.topbar a:hover{color:#FFD9C2;border-color:#FFD9C2;}
/* ---------- 卡片化导航 ---------- */
.header-card{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:10px 14px;margin:14px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;display:grid;place-items:center;font-size:17px;flex-shrink:0;
}
.brand-text{font-weight:800;font-size:clamp(14px,2.6vw,17px);letter-spacing:.01em;white-space:nowrap;}
.nav-panel{flex:1;min-width:0;}
.nav-inner{display:flex;gap:6px;justify-content:center;flex-wrap:nowrap;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--text-2);border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.nav-link i{font-size:13px;color:var(--text-3);transition:color .18s ease-out;}
.nav-link:hover{background:rgba(14,110,98,.08);color:var(--primary);}
.nav-link:hover i{color:var(--primary);}
.nav-link.is-active{color:var(--primary);border-color:rgba(14,110,98,.45);background:rgba(14,110,98,.06);}
.nav-link.is-active i{color:var(--primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-cta{display:flex;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:var(--surface);color:var(--primary);
  place-items:center;font-size:16px;flex-shrink:0;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:rgba(14,110,98,.4);}
.mobile-drawer{
  display:none;overflow:hidden;max-height:0;opacity:0;transform:translateY(-6px);
  transition:max-height .24s ease-out,opacity .18s ease-out,transform .18s ease-out;
  margin-bottom:14px;
}
.mobile-drawer.is-open{max-height:620px;opacity:1;transform:translateY(0);}
.drawer-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-2);padding:14px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px;}
.drawer-link{
  display:flex;align-items:center;gap:8px;padding:11px 12px;
  border-radius:var(--radius-sm);border:1px solid var(--border);
  background:#FBFAF7;font-size:14px;color:var(--text-2);
}
.drawer-link i{color:var(--text-3);font-size:13px;}
.drawer-link:hover{background:rgba(14,110,98,.08);color:var(--primary);border-color:rgba(14,110,98,.3);}
.drawer-link.is-active{color:var(--primary);border-color:rgba(14,110,98,.45);background:rgba(14,110,98,.07);font-weight:600;}
.drawer-cta{display:flex;gap:10px;}
.drawer-cta .btn{flex:1;}
@media(max-width:1023px){
  .nav-panel,.header-cta{display:none;}
  .nav-toggle{display:grid;}
  .mobile-drawer{display:block;}
}
/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);padding:6px 0 14px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--border);}
.breadcrumb .current{color:var(--primary);font-weight:600;}
/* ---------- 分类 Hero ---------- */
.page-hero{padding:22px 0 8px;}
.hero-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:30px;
}
.hero-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,110,98,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(14,110,98,.06) 1px,transparent 1px);
  background-size:32px 32px;
}
.hero-copy{position:relative;z-index:1;}
.page-title{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:800;margin:14px 0 12px;}
.hero-sub{font-size:17px;font-weight:600;color:var(--primary);margin-bottom:10px;}
.hero-desc{color:var(--text-2);font-size:15.5px;line-height:1.8;max-width:38em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.hero-media{position:relative;z-index:1;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--border);background:var(--primary-soft);
}
.sub-tags{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px;}
.sub-tag{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.sub-tag:hover{transform:translateY(-2px);border-color:rgba(14,110,98,.3);box-shadow:var(--shadow-2);}
.sub-ico{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:14px;
}
.sub-tag strong{display:block;font-size:15px;margin-bottom:4px;}
.sub-tag p{font-size:13.5px;line-height:1.65;color:var(--text-2);}
@media(max-width:1023px){
  .hero-card{grid-template-columns:1fr;padding:24px;}
  .sub-tags{grid-template-columns:1fr 1fr;}
}
@media(max-width:560px){
  .sub-tags{grid-template-columns:1fr;}
}
/* ---------- 问答主体 + 速查卡 ---------- */
.qa-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start;}
.qa-list{display:flex;flex-direction:column;gap:14px;}
.qa-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.qa-item:hover{transform:translateY(-2px);border-color:rgba(14,110,98,.3);box-shadow:var(--shadow-2);}
.qa-num{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:3px 10px;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.qa-item h3{font-size:18px;line-height:1.5;font-weight:700;margin-bottom:8px;}
.qa-item p{color:var(--text-2);font-size:15px;line-height:1.8;}
.quick-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:22px;
}
.quick-card h3{font-size:17px;line-height:1.5;font-weight:700;margin:12px 0 14px;}
.quick-list{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;}
.quick-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--text-2);}
.quick-list i{color:var(--gold);font-size:13px;margin-top:6px;}
.quick-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:var(--primary-soft);
}
.quick-btn{width:100%;margin-top:16px;}
.quick-note{font-size:13px;color:var(--text-3);margin-top:10px;line-height:1.7;}
@media(min-width:1024px){
  .quick-card{position:sticky;top:120px;}
}
@media(max-width:1023px){
  .qa-layout{grid-template-columns:1fr;}
}
/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.step{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 18px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.step:hover{transform:translateY(-2px);border-color:rgba(14,110,98,.3);box-shadow:var(--shadow-2);}
.step::before{content:"";display:block;width:40px;height:2px;background:var(--accent);margin-bottom:14px;}
.step-no{display:block;font-size:13px;font-weight:800;color:var(--primary);letter-spacing:.1em;margin-bottom:6px;font-variant-numeric:tabular-nums;}
.step h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.step p{font-size:14px;line-height:1.7;color:var(--text-2);}
@media(max-width:1023px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.steps{grid-template-columns:1fr;}}
/* ---------- 节奏卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.plan-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.plan-card:hover{transform:translateY(-2px);border-color:rgba(14,110,98,.3);box-shadow:var(--shadow-2);}
.plan-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--primary-soft);
  border-bottom:1px solid var(--border);
}
.plan-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.plan-body h3{font-size:18px;font-weight:700;}
.plan-body p{font-size:14.5px;line-height:1.75;color:var(--text-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:600;border-radius:999px;padding:3px 11px;
}
.badge-primary{background:rgba(14,110,98,.1);color:var(--primary);}
.badge-accent{background:rgba(242,105,31,.12);color:var(--accent-dark);}
@media(max-width:1023px){.grid-3{grid-template-columns:1fr 1fr;}}
@media(max-width:680px){.grid-3{grid-template-columns:1fr;}}
/* ---------- FAQ ---------- */
.faq-list{max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:rgba(14,110,98,.3);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q i{color:var(--text-3);font-size:14px;flex-shrink:0;transition:transform .2s ease-out,color .2s ease-out;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a p{
  font-size:15px;line-height:1.75;color:var(--text-2);
  padding:0 20px 18px;border-left:3px solid transparent;
}
.faq-item.is-open{border-color:rgba(14,110,98,.45);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-item.is-open .faq-a p{border-left-color:var(--primary);background:rgba(14,110,98,.04);}
/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--text-2);font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#FBFAF7;font-size:15px;line-height:1.4;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out;
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%235B625F' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,110,98,.22);background:#fff;
}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px;}
.form-hint{font-size:13px;color:var(--text-3);}
.form-note{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);
  background:var(--primary-soft);color:var(--primary-dark);font-size:14px;border:1px solid rgba(14,110,98,.25);
}
.form-note.is-visible{display:block;}
@media(max-width:680px){.form-grid{grid-template-columns:1fr;}}
/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--dark);padding:64px 0;}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 2px,transparent 2px 14px);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-title{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:800;color:#fff;max-width:22em;}
.cta-text{color:#A9C1BD;font-size:15px;line-height:1.8;margin-top:12px;max-width:34em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
@media(min-width:768px){.cta-band{padding:80px 0;}}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C6D6D3;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--primary);}
.footer-about{font-size:14.5px;line-height:1.8;color:#9FB3B0;max-width:38em;}
.footer-title{color:#fff;font-weight:700;font-size:15.5px;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.5px;color:#B7C7C4;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:#B7C7C4;}
.footer-contact i{color:var(--accent);margin-right:8px;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA4A1;
}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .topbar-inner{flex-direction:column;align-items:flex-start;gap:2px;}
  .header-card{margin:10px 0;gap:10px;padding:9px 11px;}
  .brand-text{font-size:14px;white-space:normal;line-height:1.3;max-width:9em;}
}

/* roulang page: category4 */
:root{
  --primary:#0E6E62;
  --primary-dark:#0A4F46;
  --primary-soft:#E6F2F0;
  --accent:#F2691F;
  --accent-dark:#D85A16;
  --gold:#D9A227;
  --base:#F7F5F0;
  --surface:#FFFFFF;
  --surface-alt:#F1EEE7;
  --dark:#0A2A26;
  --text:#161A19;
  --text-2:#5B625F;
  --text-3:#8A918D;
  --border:#E3DED4;
  --line:#EDE8DF;
  --radius-lg:18px;
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,26,24,.05);
  --shadow-2:0 10px 24px -8px rgba(16,26,24,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--dark);color:#D5E5E1;font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:36px;padding:6px 0}
.topbar-text{display:flex;align-items:center;gap:8px;color:#B9CFCA}
.topbar-text i{color:var(--gold)}
.topbar-link{color:#fff;border-bottom:1px solid rgba(255,255,255,.35);white-space:nowrap;transition:color .18s ease-out}
.topbar-link:hover{color:var(--gold);border-bottom-color:var(--gold)}
@media (max-width:520px){.topbar-text span{display:none}}

/* ---------- 头部卡片 ---------- */
.site-header{padding:16px 0 0}
.header-card{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;transition:transform .18s ease-out}
.brand:hover{transform:translateY(-1px)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:16px;flex:0 0 auto;
}
.brand-text{font-weight:800;font-size:15px;line-height:1.25;white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.06em}
@media (max-width:420px){.brand-text small{display:none}}

.nav-panel{flex:1 1 auto;min-width:0;display:none}
@media (min-width:1024px){.nav-panel{display:block}}
.nav-inner{display:flex;align-items:center;gap:4px;padding:2px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.nav-link i{font-size:13px;color:var(--text-3);transition:color .18s ease-out}
.nav-link:hover{background:rgba(14,110,98,.08);color:var(--primary)}
.nav-link:hover i{color:var(--primary)}
.nav-link.is-active{
  color:var(--primary);background:var(--primary-soft);
  border-color:rgba(14,110,98,.35);
  box-shadow:inset 0 -2px 0 var(--primary);
}
.nav-link.is-active i{color:var(--primary)}

.header-cta{display:none;align-items:center;gap:10px;flex:0 0 auto}
@media (min-width:1024px){.header-cta{display:flex}}

.nav-toggle{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--primary-soft);color:var(--primary);
  border:1px solid rgba(14,110,98,.25);cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out;
}
.nav-toggle:hover{background:rgba(14,110,98,.16)}
.nav-toggle:active{transform:scale(.96)}
@media (min-width:1024px){.nav-toggle{display:none}}

.mobile-drawer{display:none;margin-top:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:14px}
.mobile-drawer.is-open{display:block;animation:drawerIn .18s ease-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (max-width:400px){.drawer-grid{grid-template-columns:1fr}}
.drawer-link{
  display:flex;align-items:center;gap:8px;
  padding:11px 12px;border-radius:12px;font-size:14px;color:var(--text-2);
  background:var(--base);border:1px solid var(--border);
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.drawer-link i{color:var(--primary);font-size:13px}
.drawer-link:hover{background:var(--primary-soft);color:var(--primary);border-color:rgba(14,110,98,.3)}
.drawer-link.is-active{background:var(--primary-soft);color:var(--primary);border-color:rgba(14,110,98,.35)}
.drawer-cta{display:grid;gap:10px;margin-top:12px}
@media (min-width:1024px){.mobile-drawer{display:none !important}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 18px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 8px 18px -8px rgba(242,105,31,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(14,110,98,.08)}
.btn-block{width:100%}
.btn-sm{height:40px;font-size:13px;padding:0 14px}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-white{background:var(--surface)}
.section-alt{background:var(--surface-alt)}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.75}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.eyebrow i{font-size:11px}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:28px 0 8px}
@media (min-width:768px){.cat-hero{padding:36px 0 8px}}
.cat-hero-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  padding:26px;display:grid;gap:26px;
}
@media (min-width:1024px){.cat-hero-card{grid-template-columns:1.15fr .85fr;align-items:center;padding:38px;gap:36px}}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb a{color:var(--text-3);transition:color .18s ease-out}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--border)}
.crumb .current{color:var(--primary);font-weight:600}
.cat-title{font-size:clamp(28px,3.6vw,42px);line-height:1.25;margin:14px 0 12px}
.cat-sub{font-size:16px;color:var(--text-2);line-height:1.75;max-width:56ch}
.cat-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:24px}
.tag-card{
  display:flex;align-items:center;gap:8px;
  padding:11px 12px;border-radius:var(--radius-sm);
  background:var(--base);border:1px solid var(--border);
  font-size:13px;color:var(--text-2);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
}
.tag-card i{color:var(--primary);font-size:12px}
.tag-card:hover{transform:translateY(-2px);border-color:rgba(14,110,98,.3);box-shadow:var(--shadow-2);color:var(--primary)}
.media-block{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);background:var(--primary-soft);
  aspect-ratio:16/10;
}
.media-block img{width:100%;height:100%;object-fit:cover}

/* ---------- 指标 ---------- */
.metric-strip{display:grid;gap:14px;margin-top:22px}
@media (min-width:640px){.metric-strip{grid-template-columns:repeat(3,1fr)}}
.metric{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.3)}
.metric-num{font-size:32px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;font-family:"DIN Alternate",ui-monospace,SFMono-Regular,monospace;line-height:1.2}
.metric-label{font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:18px}
@media (min-width:1024px){
  .timeline{grid-template-columns:repeat(5,1fr);gap:16px}
  .timeline::before{content:"";position:absolute;top:22px;left:24px;right:24px;height:2px;background:var(--line);z-index:0}
}
.tl-item{
  position:relative;z-index:1;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.3)}
.tl-num{
  width:44px;height:44px;border-radius:999px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.04em;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:17px;font-weight:700;line-height:1.45}
.tl-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- 对比卡 ---------- */
.compare-grid{display:grid;gap:20px}
@media (min-width:768px){.compare-grid{grid-template-columns:repeat(2,1fr)}}
.compare-card{
  position:relative;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.3)}
.compare-card.is-featured{border:2px solid var(--primary);box-shadow:var(--shadow-2)}
.compare-card.is-featured::before{
  content:"优先推荐";position:absolute;top:-12px;left:24px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:999px;
}
.compare-card h3{font-size:20px;font-weight:700}
.compare-card .compare-note{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75}
.step-list{margin-top:18px;display:grid;gap:10px}
.step-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.step-list i{color:var(--primary);margin-top:6px;font-size:12px}
.compare-card .btn{margin-top:20px}

/* ---------- 两列内容 ---------- */
.two-col{display:grid;gap:24px}
@media (min-width:1024px){.two-col{grid-template-columns:1.45fr .95fr;align-items:start}}
.panel{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);
}
.panel-title{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px}
.panel-title i{color:var(--primary);font-size:15px}
.case-list{margin-top:16px;display:grid;gap:12px}
@media (min-width:640px){.case-list{grid-template-columns:repeat(2,1fr)}}
.case-item{
  display:flex;gap:10px;padding:14px;
  background:var(--base);border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:14px;color:var(--text-2);line-height:1.7;
  transition:border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.case-item:hover{border-color:rgba(14,110,98,.3);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.case-item i{color:var(--accent);margin-top:6px;font-size:12px}
.sticky-card{
  background:var(--primary-soft);border:1px solid rgba(14,110,98,.25);
  border-radius:var(--radius);padding:24px;
}
@media (min-width:1024px){.sticky-card{position:sticky;top:24px}}
.sticky-card .panel-title{color:var(--primary-dark)}
.check-list{margin-top:16px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--text-2)}
.check-list i{color:var(--primary);margin-top:6px;font-size:12px}
.sticky-card .btn{margin-top:20px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
@media (min-width:768px){.faq-list{max-width:920px}}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:rgba(14,110,98,.3)}
.faq-item.is-open{border-left:3px solid var(--primary);box-shadow:var(--shadow-2);border-color:rgba(14,110,98,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;cursor:pointer;
}
.faq-q i{color:var(--primary);font-size:13px;transition:transform .18s ease-out;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;line-height:1.78;color:var(--text-2);background:#FBFDFC}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  border-radius:var(--radius-lg);
  padding:40px 26px;
  display:grid;gap:24px;align-items:center;
}
@media (min-width:768px){.cta-band{grid-template-columns:1.5fr auto;padding:56px 48px}}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 12px,transparent 12px 30px);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.cta-band p{margin-top:12px;color:#BFD4CF;font-size:15px;line-height:1.75;max-width:60ch}

/* ---------- 表单 ---------- */
.form-layout{display:grid;gap:24px}
@media (min-width:1024px){.form-layout{grid-template-columns:1.35fr .9fr;align-items:start}}
.form-grid{display:grid;gap:16px}
@media (min-width:768px){.form-grid{grid-template-columns:repeat(2,1fr)}.form-grid .full{grid-column:1 / -1}}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:0 14px;height:44px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
  appearance:none;
}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,110,98,.12)}
.field .hint{font-size:12px;color:var(--text-3);margin-top:6px}
.form-note{
  margin-top:16px;padding:12px 14px;border-radius:var(--radius-sm);
  background:var(--primary-soft);border:1px solid rgba(14,110,98,.25);
  font-size:14px;color:var(--primary-dark);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B7CCC7;padding:56px 0 0}
.footer-grid{display:grid;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--primary)}
.footer-about{font-size:14px;line-height:1.8;color:#9FB8B2;max-width:40ch}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#9FB8B2;transition:color .18s ease-out,text-decoration-color .18s ease-out}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--gold)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#9FB8B2;margin-bottom:10px;line-height:1.7}
.footer-contact i{color:var(--gold);margin-top:6px;font-size:12px}
.footer-bottom{
  margin-top:40px;padding:18px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13px;color:#7E968F;
}