/* roulang page: index */
:root{
  --ink:#101E1A;
  --brand:#12584A;
  --brand-strong:#0C3F35;
  --accent:#E9A13B;
  --accent-strong:#D9891F;
  --warn:#C0492B;
  --paper:#F6F2EA;
  --card:#FFFFFF;
  --band:#EFE9DD;
  --line:#DCD5C6;
  --text:#2B322F;
  --muted:#6B7570;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(16,30,26,.06),0 10px 28px -16px rgba(16,30,26,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.2em}
button{font:inherit;cursor:pointer}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* 按钮与标签 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.4;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--line);color:#22302B}
.btn-outline:hover{border-color:var(--brand);background:#F0F7F4;color:var(--brand-strong)}
.btn-ghost{background:transparent;border-color:rgba(233,161,59,.75);color:var(--accent)}
.btn-ghost:hover{background:rgba(233,161,59,.14);border-color:var(--accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:3px 11px;font-size:13px;line-height:1.6;
  background:#F0F7F4;color:var(--brand);border:1px solid #D3E6DF;
}
.pill-accent{background:#FDF2E1;color:#8A5A12;border-color:#F0D9B4}
.pill-warn{background:#FBEDE9;color:var(--warn);border-color:#F0CFC6}

/* 头部 */
.site-header{position:sticky;top:0;z-index:70;background:var(--ink);color:#E8E4DA;border-bottom:1px solid rgba(233,161,59,.16);transition:box-shadow .2s ease}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:flex;flex-direction:column;flex-shrink:0;line-height:1.25}
.logo-main{font-size:17px;font-weight:700;color:#FFFFFF;letter-spacing:.4px}
.logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--accent);margin-top:2px}
.nav{display:none;align-items:center;gap:26px;margin-left:auto}
@media(min-width:1024px){.nav{display:flex}}
.nav > a,.nav-item > a{
  position:relative;font-size:15px;color:#E8E4DA;padding:6px 0;display:inline-block;
  transition:color .18s ease;
}
.nav > a:hover,.nav-item > a:hover{color:var(--accent)}
.nav > a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);border-radius:2px}
.nav-item{position:relative}
.nav-item .dropdown{
  position:absolute;top:calc(100% + 14px);left:-14px;min-width:220px;
  background:#0B241E;border:1px solid rgba(233,161,59,.24);border-radius:12px;padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;box-shadow:0 18px 36px -20px rgba(0,0,0,.8);
}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item .dropdown a{display:block;font-size:14px;color:#D8DED9;padding:10px 12px;border-radius:8px}
.nav-item .dropdown a:hover{background:rgba(233,161,59,.12);color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
@media(min-width:1024px){.header-actions{margin-left:0}}
.header-phone{font-size:18px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.4px;display:none}
@media(min-width:768px){.header-phone{display:inline-block}}
.header-cta{display:none}
@media(min-width:640px){.header-cta{display:inline-flex}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(233,161,59,.3);color:var(--accent);font-size:20px;
}
@media(min-width:1024px){.nav-toggle{display:none}}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);
  display:none;flex-direction:column;padding:18px 20px 26px;overflow-y:auto;
}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(233,161,59,.22)}
.drawer-close{width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(233,161,59,.3);color:var(--accent);font-size:22px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;margin:14px 0 22px}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:#E8E4DA;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:active{color:var(--accent)}
.drawer-cta{margin-top:auto;min-height:48px}

/* 板块 */
.section{padding:clamp(48px,6vw,88px) 0}
.section--white{background:var(--card)}
.section--band{background:var(--band)}
.section--ink{background:var(--ink);color:#DCE3DD}
.section-head{max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:1.4px;color:var(--brand);text-transform:none;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section--ink .eyebrow{color:var(--accent)}
.h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;color:#16302A;margin-top:10px}
.section--ink .h2{color:#FFFFFF}
.h3{font-size:20px;line-height:1.5;font-weight:600;color:#1B2C27}
.lead{max-width:760px;margin-top:12px;font-size:16px;color:var(--muted)}
.section--ink .lead{color:#AEBDB4}

/* Hero */
.hero{position:relative;background:var(--ink);color:#E8E4DA;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/0929641c9b34ca44.webp') center/cover no-repeat;opacity:.26}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,30,26,.88),rgba(16,30,26,.96));pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:clamp(40px,6vw,74px) 0 clamp(46px,7vw,86px);display:grid;gap:38px}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.06fr .94fr;align-items:center;gap:52px}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:6px 14px;
  font-size:13px;color:var(--accent);background:rgba(233,161,59,.13);border:1px solid rgba(233,161,59,.42);
}
.hero h1{font-size:clamp(30px,4vw,46px);line-height:1.28;font-weight:700;color:#FFFFFF;margin-top:18px;letter-spacing:.2px}
.hero-lead{max-width:640px;margin-top:16px;font-size:16.5px;line-height:1.85;color:#C2CCC4}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 24px;margin:24px 0 0;padding:0;list-style:none;font-size:14px;color:#9FB0A6}
.hero-facts li{display:flex;align-items:center}
.hero-facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:9px}
.tiers{display:grid;gap:14px}
.tier{
  border-radius:var(--radius-card);padding:18px 20px;
  background:rgba(255,255,255,.045);border:1px solid rgba(233,161,59,.2);
  backdrop-filter:blur(2px);
}
.tier--rec{background:#FFFFFF;color:var(--text);border-color:#FFFFFF;box-shadow:0 24px 48px -28px rgba(0,0,0,.85)}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.tier-name{font-size:16px;font-weight:700;color:#FFFFFF}
.tier--rec .tier-name{color:#16302A}
.tier-desc{font-size:14px;margin-top:8px;color:#B9C5BD;line-height:1.7}
.tier--rec .tier-desc{color:var(--muted)}
.tier-list{list-style:none;padding:0;margin:12px 0 0;font-size:13.5px;color:#A8B6AD;display:grid;gap:6px}
.tier--rec .tier-list{color:#4A5A53}
.tier-list li{display:flex;gap:8px}
.tier-list li::before{content:"·";color:var(--accent);font-weight:700}
.tier .btn{margin-top:14px}

/* 指标看板 */
.metrics{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;margin-top:34px;grid-template-columns:repeat(2,1fr)}
@media(min-width:768px){.metrics{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.metrics{grid-template-columns:repeat(6,1fr)}}
.metric{background:#fff;padding:22px 18px}
.metric-value{font-size:clamp(26px,3vw,36px);font-weight:700;line-height:1.15;color:var(--brand);font-variant-numeric:tabular-nums}
.metric-label{font-size:13.5px;color:var(--muted);margin-top:6px}

/* 服务矩阵 */
.svc-grid{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:640px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
.svc-card{
  display:flex;flex-direction:column;gap:12px;padding:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.svc-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.svc-icon{
  width:48px;height:48px;border-radius:12px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;
}
.svc-title{font-size:17px;font-weight:600;color:#16302A}
.svc-text{font-size:14.5px;color:var(--muted);line-height:1.75}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px}
.svc-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.svc-card:hover .svc-foot span:last-child{transform:translateX(2px)}
.svc-foot span:last-child{transition:transform .18s ease}

/* 对比 */
.compare{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr}}
.compare-card{border-radius:var(--radius-card);padding:26px}
.compare-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.compare-card--muted{background:#E6E2D8;border:1px solid #D5CEBE;color:#5B655F}
.compare-card--strong{background:#fff;border:2px solid var(--brand);box-shadow:var(--shadow);color:#1B2C27}
.compare-sub{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.compare-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(16,30,26,.09);font-size:15px;line-height:1.7}
.compare-row:last-child{border-bottom:none}
.compare-mark{flex-shrink:0;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px}
.compare-card--muted .compare-mark{background:#D3CCBB;color:#6B6558}
.compare-card--strong .compare-mark{background:#DFF0E9;color:var(--brand-strong)}

/* 时间轴 */
.timeline{margin-top:34px;display:grid;gap:0}
@media(min-width:1024px){.timeline{grid-template-columns:repeat(5,1fr);gap:20px}}
.tl-step{position:relative;padding:0 0 26px 34px}
.tl-step::before{content:"";position:absolute;left:9px;top:18px;bottom:0;width:1px;background:var(--line)}
.tl-step:last-child{padding-bottom:0}
.tl-step:last-child::before{display:none}
.tl-step::after{content:"";position:absolute;left:2px;top:5px;width:15px;height:15px;border-radius:50%;background:#fff;border:2px solid var(--accent)}
@media(min-width:1024px){
  .tl-step{padding:32px 0 0}
  .tl-step::before{left:0;right:-20px;top:9px;bottom:auto;width:auto;height:1px}
  .tl-step::after{left:0;top:1px}
}
.tl-title{font-size:16px;font-weight:600;color:#16302A}
.tl-text{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.7}

/* 内容日历 */
.calendar{display:grid;gap:12px;margin-top:32px;grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.calendar{grid-template-columns:repeat(4,1fr)}}
@media(min-width:1024px){.calendar{grid-template-columns:repeat(7,1fr)}}
.cal-day{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.cal-day-name{font-size:15px;font-weight:700;color:#16302A}
.cal-day-tag{font-size:12px;color:var(--warn);margin-top:4px}
.cal-day-list{list-style:none;padding:0;margin:10px 0 0;font-size:13px;color:var(--muted);display:grid;gap:5px}
.cal-day-list li{display:flex;justify-content:space-between;gap:6px}
.cal-day-list b{color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums}

/* 夜间专线 */
.hotline{display:grid;gap:34px;margin-top:34px}
@media(min-width:1024px){.hotline{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}}
.hotline-phone{display:block;font-size:clamp(28px,4.4vw,46px);font-weight:700;color:var(--accent);letter-spacing:1px;font-variant-numeric:tabular-nums;margin-top:14px}
.hotline-note{font-size:15px;color:#AEBDB4;margin-top:12px;max-width:520px}
.hotline-list{display:grid;gap:14px;list-style:none;padding:0;margin:0}
.hotline-item{padding:16px 18px;border:1px solid rgba(233,161,59,.24);border-radius:12px;background:rgba(255,255,255,.03)}
.hotline-item strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.hotline-item span{font-size:14px;color:#A6B4AC}
.hotline-bar{margin-top:26px;padding-top:16px;border-top:1px solid rgba(233,161,59,.24);font-size:13.5px;color:#96A69C}

/* 覆盖 */
.area-grid{display:grid;gap:12px;margin-top:32px;grid-template-columns:repeat(2,1fr)}
@media(min-width:640px){.area-grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.area-grid{grid-template-columns:repeat(4,1fr)}}
.area{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 15px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;transition:border-color .18s ease,background .18s ease}
.area:hover{border-color:var(--brand);background:#F6FBF9}
.area b{color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.area-note{font-size:13px;color:var(--muted);margin-top:16px}

/* 价格 */
.price-grid{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:900px){.price-grid{grid-template-columns:repeat(3,1fr)}}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;display:flex;flex-direction:column;gap:12px}
.price-card h3{font-size:17px;font-weight:700;color:#16302A}
.price-list{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:14.5px;color:#4A5A53}
.price-list li{display:flex;gap:9px;line-height:1.7}
.price-list li::before{content:"";flex-shrink:0;width:5px;height:5px;border-radius:50%;background:var(--brand);margin-top:9px}
.price-foot{font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px dashed var(--line)}

/* 资质 */
.credit{display:grid;gap:30px;margin-top:34px;align-items:center}
@media(min-width:1024px){.credit{grid-template-columns:.9fr 1.1fr;gap:48px}}
.credit-figure{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff}
.credit-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.credit-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:640px){.credit-grid{grid-template-columns:1fr 1fr}}
.credit-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.credit-item strong{display:block;font-size:15.5px;color:#16302A;margin-bottom:6px}
.credit-item span{font-size:14px;color:var(--muted);line-height:1.7}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;transition:border-color .18s ease,background .18s ease,color .18s ease}
.tag:hover{border-color:var(--brand);background:#F0F7F4;color:var(--brand-strong)}

/* 场景卡 */
.scene-grid{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:640px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.scene-grid{grid-template-columns:repeat(3,1fr)}}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.scene-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.scene-thumb{aspect-ratio:16/9;overflow:hidden;background:#E6E1D5}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.03)}
.scene-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-title{font-size:16.5px;font-weight:600;color:#16302A;line-height:1.5}
.scene-text{font-size:14px;color:var(--muted);line-height:1.7}
.scene-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

/* 数据条 */
.bars{margin-top:32px;max-width:760px}
.bar-row{display:grid;grid-template-columns:104px 1fr 54px;align-items:center;gap:12px;font-size:14px;margin-bottom:14px}
.bar{height:10px;border-radius:999px;background:#E1DACC;overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--brand)}
.bar-row b{text-align:right;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:600}

/* 评价 */
.review-grid{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:768px){.review-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1200px){.review-grid{grid-template-columns:repeat(4,1fr)}}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;display:flex;flex-direction:column;gap:10px}
.review-top{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.stars{color:var(--accent);letter-spacing:2px;font-size:13px}
.review-text{font-size:14.5px;color:#3D4A44;line-height:1.75}
.review-meta{font-size:13px;color:var(--muted);margin-top:auto;padding-top:8px;border-top:1px dashed var(--line)}

/* 资讯 CMS */
.news-grid{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.news-title{font-size:16.5px;font-weight:600;color:#16302A;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-text{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.news-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-more span:last-child{transform:translateX(2px)}
.news-more span:last-child{transition:transform .18s ease}
.news-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);padding:34px;text-align:center;color:var(--muted);font-size:15px;margin-top:34px}

/* 保障 */
.guard-grid{display:grid;gap:18px;margin-top:34px;grid-template-columns:1fr}
@media(min-width:640px){.guard-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.guard-grid{grid-template-columns:repeat(3,1fr)}}
.guard{display:flex;gap:14px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px}
.guard-icon{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:#F0F7F4;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.guard strong{display:block;font-size:15.5px;color:#16302A;margin-bottom:5px}
.guard span{font-size:14px;color:var(--muted);line-height:1.7}

/* 快速解答 */
.quick-grid{display:grid;gap:16px;margin-top:32px;grid-template-columns:1fr}
@media(min-width:768px){.quick-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1200px){.quick-grid{grid-template-columns:repeat(4,1fr)}}
.quick{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.quick strong{display:block;font-size:15.5px;color:#16302A;margin-bottom:8px}
.quick p{font-size:14px;color:var(--muted);line-height:1.75}

/* FAQ */
.faq{margin-top:30px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:#1B2C27;padding:12px 0;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);transition:transform .18s ease;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 0 18px;font-size:15px;line-height:1.9;color:var(--muted);max-width:760px}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}

/* 转化表单 */
.convert{display:grid;gap:34px}
@media(min-width:1024px){.convert{grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start}}
.convert-phone{display:block;font-size:clamp(28px,4.2vw,44px);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:1px;margin-top:14px}
.convert-hours{display:grid;gap:10px;margin-top:22px;padding:0;list-style:none;font-size:14.5px;color:#AEBDB4}
.convert-hours li{display:flex;gap:10px}
.convert-hours li::before{content:"";flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px}
.form-card{background:rgba(255,255,255,.05);border:1px solid rgba(233,161,59,.26);border-radius:var(--radius-card);padding:24px}
@media(min-width:640px){.form-card{padding:28px}}
.form-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1/-1}
.field label{font-size:13px;color:#B9C6BD;letter-spacing:.5px}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:16px;color:#1B2C27;
  background:#fff;border:1px solid transparent;border-radius:10px;padding:12px 14px;line-height:1.5;
}
.field textarea{resize:vertical;min-height:88px}
.field input::placeholder,.field textarea::placeholder{color:#9AA49E}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:2px solid rgba(233,161,59,.55);outline-offset:1px}
.form-privacy{font-size:12.5px;color:#93A29A;margin-top:12px;line-height:1.7}
.form-tip{margin-top:12px;font-size:13.5px;color:var(--accent);min-height:20px}

/* 页脚 */
.site-footer{background:var(--ink);color:#C4CEC7;padding-bottom:0}
.footer-top{border-top:1px solid rgba(233,161,59,.24);padding:46px 0 34px;display:grid;gap:30px;grid-template-columns:1fr}
@media(min-width:768px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}}
.footer-badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:4px 12px;font-size:12.5px;color:var(--accent);background:rgba(233,161,59,.12);border:1px solid rgba(233,161,59,.36);margin-bottom:14px}
.footer-brand{font-size:17px;font-weight:700;color:#fff;letter-spacing:.3px}
.footer-desc{font-size:14px;color:#9FB0A6;line-height:1.8;margin-top:10px;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:12px;font-weight:600}
.footer-col a{display:block;font-size:14px;color:#A9B7AF;padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:#A9B7AF;line-height:1.8;margin:0 0 8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0 20px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px;color:#85948C}
.footer-bottom a{color:#A9B7AF}
.footer-bottom a:hover{color:var(--accent)}

/* roulang page: article */
:root{
  --ink:#101E1A;
  --brand:#12584A;
  --brand-strong:#0C3F35;
  --accent:#E9A13B;
  --accent-strong:#D9891F;
  --warn:#C0492B;
  --paper:#F6F2EA;
  --card:#FFFFFF;
  --band:#EFE9DD;
  --line:#DCD5C6;
  --text:#2B322F;
  --muted:#6B7570;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(16,30,26,.06),0 10px 28px -16px rgba(16,30,26,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.4;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--line);color:#22302B}
.btn-outline:hover{border-color:var(--brand);background:#F0F7F4;color:var(--brand-strong)}
.btn-ghost{background:transparent;border-color:rgba(233,161,59,.75);color:var(--accent)}
.btn-ghost:hover{background:rgba(233,161,59,.14);border-color:var(--accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:3px 11px;font-size:13px;line-height:1.6;
  background:#F0F7F4;color:var(--brand);border:1px solid #D3E6DF;
}
.pill-accent{background:#FDF2E1;color:#8A5A12;border-color:#F0D9B4}
.pill-warn{background:#FBEDE9;color:var(--warn);border-color:#F0CFC6}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:70;background:var(--ink);color:#E8E4DA;
  border-bottom:1px solid rgba(233,161,59,.16);transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px -14px rgba(0,0,0,.7)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;transition:height .2s ease}
.site-header.scrolled .header-inner{height:56px}
.logo{display:flex;flex-direction:column;flex-shrink:0;line-height:1.25}
.logo-main{font-size:17px;font-weight:700;color:#FFFFFF;letter-spacing:.4px}
.logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--accent);margin-top:2px}
.nav{display:none;align-items:center;gap:26px;margin-left:auto}
.nav > a,.nav-item > a{
  position:relative;font-size:15px;color:#E8E4DA;padding:6px 0;display:inline-block;
  transition:color .18s ease;white-space:nowrap;
}
.nav > a:hover,.nav-item > a:hover{color:var(--accent)}
.nav > a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);border-radius:2px}
.nav-item{position:relative}
.nav-item .dropdown{
  position:absolute;top:calc(100% + 14px);left:-14px;min-width:220px;
  background:#0B241E;border:1px solid rgba(233,161,59,.24);border-radius:12px;padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;
  box-shadow:0 18px 36px -20px rgba(0,0,0,.8);
}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item .dropdown a{display:block;font-size:14px;color:#D8DED9;padding:10px 12px;border-radius:8px}
.nav-item .dropdown a:hover{background:rgba(233,161,59,.12);color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.header-phone{
  font-size:18px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;
  letter-spacing:.4px;display:none;
}
.header-cta{display:none}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(233,161,59,.3);color:var(--accent);font-size:20px;
}
@media(min-width:1024px){
  .nav{display:flex}
  .header-phone{display:inline-block}
  .header-cta{display:inline-flex}
  .nav-toggle{display:none}
}
@media(min-width:768px){.header-phone{display:inline-block}}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);
  display:none;flex-direction:column;padding:18px 20px 26px;overflow-y:auto;
}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(233,161,59,.22)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(233,161,59,.3);color:var(--accent);font-size:22px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;margin:14px 0 22px}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:#E8E4DA;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:active{color:var(--accent)}
.drawer-cta{margin-top:auto;min-height:48px}

/* 板块通用 */
.section{padding:clamp(48px,6vw,88px) 0}
.section--white{background:var(--card)}
.section--band{background:var(--band)}
.section--ink{background:var(--ink);color:#DCE3DD}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:1.4px;color:var(--brand);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}

/* 文章页头部区 */
.article-hero{background:var(--band);border-bottom:1px solid var(--line);padding:clamp(28px,4vw,46px) 0 clamp(30px,4.4vw,52px)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--brand);transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent-strong)}
.breadcrumb .sep{color:#BDB6A6}
.breadcrumb .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(28px,3.4vw,38px);line-height:1.32;font-weight:700;color:var(--ink);
  margin:16px 0 0;max-width:960px;
}
.article-intro{max-width:760px;margin-top:14px;font-size:16px;color:var(--muted)}
.article-intro strong{color:var(--brand-strong);font-weight:600}

/* 元信息条 */
.article-meta{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--card);
}
.article-meta-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding:12px 0;font-size:13.5px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item strong{color:var(--text);font-weight:600}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C8C1B1}
.meta-tag{
  display:inline-flex;align-items:center;border-radius:999px;padding:2px 12px;font-size:13px;
  background:#F0F7F4;color:var(--brand);border:1px solid #D3E6DF;
}
.meta-share{margin-left:auto;display:inline-flex;gap:8px}
.share-btn{
  border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:13px;padding:4px 12px;transition:.18s ease;
}
.share-btn:hover{border-color:var(--brand);color:var(--brand-strong);background:#F0F7F4}

/* 阅读布局 */
.reading-wrap{padding:clamp(34px,4.6vw,58px) 0 clamp(40px,5vw,72px)}
.reading-grid{display:block}
.reading-main{max-width:760px;margin:0 auto;min-width:0}
@media(min-width:1280px){
  .reading-grid{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:48px;justify-content:center;align-items:start}
  .reading-main{max-width:none;margin:0}
}

/* 要点速览 */
.keypoints{
  background:var(--band);border-left:3px solid var(--accent);border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:20px 22px;margin-bottom:34px;
}
.keypoints h2{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:10px;letter-spacing:.2px}
.keypoints ul li{
  position:relative;padding-left:18px;font-size:15px;line-height:1.85;color:#3B4642;margin-bottom:6px;
}
.keypoints ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.keypoints ul li:last-child{margin-bottom:0}

/* 正文排版 */
.article-body{font-size:16.5px;line-height:1.9;color:var(--text);max-width:820px}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,27px);line-height:1.4;font-weight:700;
  color:var(--ink);margin:34px 0 12px;padding-bottom:10px;
}
.article-body h2::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--accent);border-radius:2px}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:26px 0 10px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:20px 0 8px}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.1em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px;line-height:1.85}
.article-body blockquote{
  margin:20px 0;padding:14px 20px;background:var(--band);
  border-left:3px solid var(--brand);border-radius:0 10px 10px 0;color:#33403B;
}
.article-body img{border-radius:10px;margin:20px auto;box-shadow:var(--shadow)}
.article-body figure{margin:20px 0}
.article-body figure figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--band);font-weight:600;color:var(--ink)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-strong);text-decoration:none}
.article-body strong{color:var(--ink);font-weight:600}

/* 文中转化条 */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  background:var(--band);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 20px;margin:36px 0 8px;
}
.inline-cta p{font-size:15px;color:#33403B;margin:0}
.inline-cta p strong{color:var(--ink);font-weight:700}

/* 空态 */
.article-empty{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:38px 28px;text-align:center;box-shadow:var(--shadow);
}
.article-empty h2{font-size:22px;color:var(--ink);font-weight:700}
.article-empty p{margin:10px 0 20px;color:var(--muted);font-size:15px}

/* 相关推荐 */
.related-block{margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.block-title{font-size:20px;font-weight:700;color:var(--ink);line-height:1.5}
.block-sub{margin-top:6px;font-size:14px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:18px}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.related-card{
  display:flex;flex-direction:column;gap:8px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.related-card .rc-tag{font-size:12.5px;color:var(--brand);letter-spacing:.4px}
.related-card h3{font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .rc-more{font-size:13.5px;color:var(--accent-strong);font-weight:600;margin-top:auto}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:1fr;gap:12px;margin-top:36px}
@media(min-width:640px){.post-nav{grid-template-columns:repeat(2,minmax(0,1fr))}}
.post-nav a{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 18px;transition:.18s ease;
}
.post-nav a:hover{border-color:var(--brand);background:#F7FBF9}
.post-nav span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
.post-nav strong{display:block;font-size:15px;color:var(--ink);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 收尾 */
.article-end{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.article-end .end-links{display:flex;flex-wrap:wrap;gap:18px;font-size:15px}
.article-end .end-links a{color:var(--brand);border-bottom:1px solid transparent;padding-bottom:1px;transition:.18s ease}
.article-end .end-links a:hover{color:var(--accent-strong);border-bottom-color:var(--accent-strong)}

/* 侧栏 */
.side-col{margin-top:40px;display:flex;flex-direction:column;gap:18px}
@media(min-width:1280px){.side-col{margin-top:0}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px;letter-spacing:.3px}
.side-card p{font-size:14px;color:var(--muted);line-height:1.75}
.side-phone{
  display:block;font-size:22px;font-weight:700;color:var(--brand-strong);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;margin:6px 0 4px;
}
.side-phone:hover{color:var(--accent-strong)}
.side-list li{border-bottom:1px dashed var(--line);padding:9px 0}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{font-size:14.5px;color:#3B4642;transition:color .18s ease}
.side-list a:hover{color:var(--brand)}
.side-card--ink{background:var(--ink);border-color:rgba(233,161,59,.3);box-shadow:none}
.side-card--ink h3{color:#FFFFFF}
.side-card--ink p{color:#AEBDB4}
.side-card--ink .side-phone{color:var(--accent)}
.side-note{
  margin-top:10px;font-size:12.5px;color:#93A29A;border-top:1px solid rgba(255,255,255,.1);padding-top:10px;
}
.side-badge{
  display:inline-flex;align-items:center;border-radius:999px;padding:2px 10px;font-size:12px;
  background:#FBEDE9;color:var(--warn);border:1px solid #F0CFC6;margin-bottom:10px;
}

/* 页脚 */
.site-footer{background:var(--ink);color:#B9C4BC;padding:clamp(40px,5vw,64px) 0 0;border-top:1px solid rgba(233,161,59,.22)}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:38px}
@media(min-width:768px){.footer-top{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:28px}}
.footer-badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 12px;
  font-size:12px;color:var(--accent);background:rgba(233,161,59,.12);
  border:1px solid rgba(233,161,59,.32);margin-bottom:12px;
}
.footer-brand{font-size:18px;font-weight:700;color:#FFFFFF;letter-spacing:.4px}
.footer-desc{margin-top:10px;font-size:14px;line-height:1.85;color:#9EAEA5;max-width:420px}
.footer-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:12px;letter-spacing:.4px}
.footer-col a,.footer-col p{display:block;font-size:14px;color:#9EAEA5;line-height:1.9;margin-bottom:6px;transition:color .18s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:16px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:#7E8D85;
}
.footer-bottom a{color:#A9B7AE}
.footer-bottom a:hover{color:var(--accent)}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#101E1A;
  --brand:#12584A;
  --brand-strong:#0C3F35;
  --accent:#E9A13B;
  --accent-strong:#D9891F;
  --warn:#C0492B;
  --paper:#F6F2EA;
  --card:#FFFFFF;
  --band:#EFE9DD;
  --line:#DCD5C6;
  --text:#2B322F;
  --muted:#6B7570;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(16,30,26,.06),0 10px 28px -16px rgba(16,30,26,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:#16241F;line-height:1.35}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
h1{font-size:clamp(26px,3.4vw,38px);line-height:1.28;font-weight:700}
h2{font-size:clamp(23px,2.5vw,30px);font-weight:700}
h3{font-size:19px;font-weight:600;line-height:1.5}
.num{font-variant-numeric:tabular-nums}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1.4;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--line);color:#22302B}
.btn-outline:hover{border-color:var(--brand);background:#F0F7F4;color:var(--brand-strong)}
.btn-ghost{background:transparent;border-color:rgba(233,161,59,.75);color:var(--accent)}
.btn-ghost:hover{background:rgba(233,161,59,.14);border-color:var(--accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:3px 11px;font-size:13px;line-height:1.6;
  background:#F0F7F4;color:var(--brand);border:1px solid #D3E6DF;
}
.pill-accent{background:#FDF2E1;color:#8A5A12;border-color:#F0D9B4}
.pill-warn{background:#FBEDE9;color:var(--warn);border-color:#F0CFC6}

/* 头部 */
.site-header{position:sticky;top:0;z-index:70;background:var(--ink);color:#E8E4DA;border-bottom:1px solid rgba(233,161,59,.16);transition:box-shadow .2s ease}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;flex-direction:column;flex-shrink:0;line-height:1.25}
.logo-main{font-size:17px;font-weight:700;color:#FFFFFF;letter-spacing:.4px}
.logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--accent);margin-top:2px}
.nav{display:none}
.nav > a,.nav-item > a{
  position:relative;font-size:15px;color:#E8E4DA;padding:6px 0;display:inline-block;
  transition:color .18s ease;
}
.nav > a:hover,.nav-item > a:hover{color:var(--accent)}
.nav > a.active::after,.nav-item > a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);border-radius:2px}
.nav-item{position:relative}
.nav-item .dropdown{
  position:absolute;top:calc(100% + 14px);left:-14px;min-width:220px;
  background:#0B241E;border:1px solid rgba(233,161,59,.24);border-radius:12px;padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;box-shadow:0 18px 36px -20px rgba(0,0,0,.8);
}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item .dropdown a{display:block;font-size:14px;color:#D8DED9;padding:10px 12px;border-radius:8px}
.nav-item .dropdown a:hover{background:rgba(233,161,59,.12);color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-phone{display:none;font-size:18px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.4px}
.header-cta{display:none}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(233,161,59,.3);color:var(--accent);font-size:20px;
}
@media (min-width:1024px){
  .nav{display:flex;align-items:center;gap:26px;margin-left:auto}
  .header-actions{margin-left:0}
  .header-phone{display:inline-block}
  .header-cta{display:inline-flex}
  .nav-toggle{display:none}
}
/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);
  display:none;flex-direction:column;padding:18px 20px 26px;overflow-y:auto;
}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid rgba(233,161,59,.22)}
.drawer-close{width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(233,161,59,.3);color:var(--accent);font-size:22px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;margin:14px 0 22px}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:#E8E4DA;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:active{color:var(--accent)}
.drawer-cta{margin-top:auto;min-height:48px}

/* 板块基座 */
.section{padding:clamp(44px,5.4vw,76px) 0}
.section--white{background:var(--card)}
.section--band{background:var(--band)}
.section--ink{background:var(--ink);color:#DCE3DD}
.section-head{max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--brand)}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.section--ink .eyebrow{color:var(--accent)}
.lead{max-width:760px;margin-top:12px;font-size:15.5px;color:var(--muted)}
.section--ink .lead{color:#AEBDB4}
.section--ink h2{color:#FFFFFF}

/* 分类页头 */
.cat-head{background:var(--band);border-bottom:1px solid var(--line);padding:22px 0 26px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:12px}
.breadcrumb a{color:var(--brand)}
.breadcrumb a:hover{color:var(--accent-strong)}
.breadcrumb span[aria-current]{color:#3C4A44}
.cat-head-grid{display:grid;gap:18px}
@media (min-width:900px){.cat-head-grid{grid-template-columns:1fr 330px;align-items:end;gap:32px}}
.cat-title{max-width:760px}
.cat-intro{max-width:720px;margin-top:10px;font-size:15px;line-height:1.8;color:#4B564F}
.cat-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cat-stats > div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 8px;text-align:center}
.cat-stats strong{display:block;font-size:20px;line-height:1.3;color:var(--brand);font-variant-numeric:tabular-nums}
.cat-stats span{display:block;font-size:12px;line-height:1.5;color:var(--muted)}

/* 频道条 */
.channel-bar{display:flex;flex-wrap:wrap;gap:10px}
.channel-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:14px;
  background:#fff;border:1px solid var(--line);color:#33413B;
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.channel-pill:hover{border-color:var(--brand);color:var(--brand-strong);background:#F0F7F4;transform:translateY(-1px)}
.channel-pill.is-current{border-color:var(--accent);background:#FDF2E1;color:#8A5A12;font-weight:600}

/* 服务列表 */
.service-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:680px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.service-grid{grid-template-columns:repeat(3,1fr)}}
.service-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.service-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.thumb{aspect-ratio:16/9;overflow:hidden;background:var(--band)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.service-card:hover .thumb img{transform:scale(1.03)}
.service-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.service-body h3{font-size:17px}
.service-body p{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);padding-top:6px}
.card-link span{transition:transform .18s ease}
.card-link:hover{color:var(--accent-strong)}
.card-link:hover span{transform:translateX(2px)}
.list-more{display:flex;justify-content:center;margin-top:30px}

/* 选择指引 */
.guide-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.guide-grid{grid-template-columns:repeat(2,1fr)}}
.guide-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px}
.guide-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
}
.guide-item h3{font-size:16px;margin-bottom:4px}
.guide-item p{font-size:14.5px;line-height:1.75;color:var(--muted)}

/* 价格宽卡 */
.price-wide{
  display:grid;gap:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:clamp(20px,3vw,32px);
}
@media (min-width:900px){.price-wide{grid-template-columns:1fr 230px;align-items:start;gap:32px}}
.price-rows{display:flex;flex-direction:column}
.price-row{display:grid;gap:4px;padding:16px 0;border-bottom:1px dashed var(--line)}
.price-row:first-child{padding-top:0}
.price-row:last-child{border-bottom:0;padding-bottom:0}
.price-row h3{font-size:16px}
.price-row p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.price-side{display:flex;flex-direction:column;gap:12px;border-left:0;padding-left:0}
@media (min-width:900px){.price-side{border-left:1px solid var(--line);padding-left:28px}}
.price-badge{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:8px 16px;border-radius:999px;background:#FDF2E1;border:1px solid var(--accent);
  color:#8A5A12;font-weight:700;font-size:14px;
}
.price-note{font-size:13px;line-height:1.7;color:var(--muted)}

/* 覆盖网格 */
.area-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media (min-width:640px){.area-grid{grid-template-columns:repeat(4,1fr)}}
@media (min-width:1080px){.area-grid{grid-template-columns:repeat(6,1fr)}}
.area-chip{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;
  display:flex;flex-direction:column;gap:2px;
}
.area-chip strong{font-size:14px;font-weight:600;color:#26332E}
.area-chip em{font-style:normal;font-size:12.5px;color:var(--brand);font-variant-numeric:tabular-nums}
.area-foot{margin-top:16px;font-size:13px;color:var(--muted)}

/* FAQ */
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:48px;padding:12px 0;font-size:15.5px;font-weight:600;color:#1C2A25;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand);transition:transform .18s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0 0 16px;font-size:15px;line-height:1.9;color:var(--muted);max-width:760px}

/* 资讯卡 */
.news-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow)}
.news-card h3{font-size:16px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-empty{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:20px;font-size:14.5px;color:var(--muted);text-align:center}

/* 底部电话条 */
.hotline-bar{background:var(--ink);color:#DCE3DD;padding:clamp(24px,3.4vw,36px) 0;border-top:1px solid rgba(233,161,59,.22)}
.hotline-inner{display:flex;flex-direction:column;gap:16px}
@media (min-width:820px){.hotline-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:28px}}
.hotline-label{font-size:13px;letter-spacing:1.2px;color:var(--accent)}
.hotline-num{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.5px}
.hotline-sub{font-size:13.5px;color:#A6B4AC;margin-top:4px}
.hotline-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9D3CC;padding:clamp(40px,5vw,60px) 0 0;border-top:1px solid rgba(233,161,59,.22)}
.footer-top{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:34px}
@media (min-width:900px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:4px 12px;
  font-size:12px;color:var(--accent);background:rgba(233,161,59,.12);border:1px solid rgba(233,161,59,.34);
}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin:12px 0 10px;line-height:1.5}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB0A7;max-width:380px}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 12px}
.footer-col a,.footer-col p{display:block;font-size:14px;line-height:1.7;color:#A9B7AF;padding:5px 0;margin:0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8C9A92}
.footer-bottom a{color:var(--accent)}
.footer-bottom a:hover{color:var(--accent-strong)}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}