/* roulang page: index */
:root{
  --brand:#0f8a72;
  --brand-2:#13a68b;
  --brand-dark:#0a5f4f;
  --brand-soft:#e8f5f1;
  --accent:#dfa445;
  --accent-soft:#fbf2e2;
  --ink:#0d211d;
  --text:#243531;
  --muted:#667a75;
  --line:#e2ebe8;
  --bg:#f5f9f7;
  --white:#ffffff;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 12px rgba(13,45,39,.06);
  --shadow-md:0 16px 38px rgba(13,45,39,.12);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:min(var(--max),92%);margin:0 auto}
.section{padding:76px 0}
.section--white{background:var(--white)}
.section--soft{background:linear-gradient(180deg,#eef7f3 0%,#f5f9f7 100%)}
.section--dark{background:#0b2622;color:#d8e8e3}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:2px;color:var(--brand-dark);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--accent))}
.section-head h2{font-size:30px;margin:14px 0 12px;letter-spacing:.4px}
.section-head p{color:var(--muted);font-size:15.5px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:#a9c6bf}
.section--dark .eyebrow{color:#5fd7ba}

/* 通用网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(19,166,139,.45);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));color:#fff;box-shadow:0 10px 22px rgba(10,95,79,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(10,95,79,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 16px rgba(10,95,79,.28)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);border:1px solid #d4e9e2;
}
.tag-accent{background:var(--accent-soft);color:#8c6417;border-color:#f0dcb6}
.tag-dark{background:rgba(255,255,255,.14);color:#e6f5f0;border-color:rgba(255,255,255,.24)}

/* 头部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:12px 0;
  background:rgba(8,38,33,.34);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:background .28s ease,box-shadow .28s ease,padding .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 8px 26px rgba(13,45,39,.1);padding:4px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.6px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#16b394,#0a5f4f);color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 8px 18px rgba(10,95,79,.32);
}
.is-scrolled .brand{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.86);transition:background .2s ease,color .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(255,255,255,.16);color:#fff;outline:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.is-scrolled .nav-link{color:var(--text)}
.is-scrolled .nav-link:hover,.is-scrolled .nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
.is-scrolled .nav-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;cursor:pointer;
}
.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:158px 0 92px;color:#fff}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(118deg,rgba(5,30,26,.94) 0%,rgba(8,52,44,.86) 46%,rgba(11,72,60,.58) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:#bff0e3;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
}
.hero h1{font-size:40px;line-height:1.28;margin:20px 0 16px;color:#fff;letter-spacing:.5px}
.hero-lead{font-size:17px;font-weight:600;color:#ffd99a;margin-bottom:14px}
.hero-text{font-size:15.5px;color:#c9e2db;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px}
.hero-stat strong{display:block;font-size:23px;color:#fff;line-height:1.2}
.hero-stat span{font-size:13px;color:#9fc7be}
.hero-stat{position:relative;padding-left:14px}
.hero-stat::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand-2),var(--accent))}

/* Hero 演示面板 */
.demo{
  background:rgba(255,255,255,.97);border-radius:var(--radius-lg);
  padding:24px;color:var(--text);border:1px solid rgba(255,255,255,.7);
  box-shadow:0 30px 64px rgba(3,24,20,.4);
}
.demo-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.demo-head h3{font-size:16px}
.demo-dots{display:flex;gap:6px}
.demo-dots i{width:8px;height:8px;border-radius:50%;background:#d7e6e1;display:block}
.demo-dots i:first-child{background:var(--brand-2)}
.demo-caption{font-size:13px;color:var(--muted);margin-bottom:16px}
.demo-group{padding:11px 0;border-top:1px dashed var(--line)}
.demo-key{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  border:1px solid var(--line);background:#fbfdfc;color:var(--text);
  border-radius:8px;padding:6px 13px;font-size:13px;cursor:pointer;transition:.18s ease;
}
.chip:hover{border-color:#b9dbd1;color:var(--brand-dark)}
.chip.is-on{background:var(--brand-soft);border-color:#a8d8ca;color:var(--brand-dark);font-weight:600}
.demo-result{margin-top:16px;padding:14px;border-radius:12px;background:linear-gradient(135deg,#f2faf7,#eaf6f1);border:1px solid #d9ece5}
.result-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed #d6e8e2;font-size:13.5px}
.result-row:last-child{border-bottom:none}
.result-name{font-weight:600;color:var(--ink)}
.result-meta{color:var(--muted);font-size:12.5px}
.demo-btn{width:100%;margin-top:16px}

/* 数据条 */
.stat-strip{background:#0b2622;padding:34px 0}
.stat-strip .grid-4{gap:18px}
.stat-cell{
  padding:18px 20px;border-radius:var(--radius);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);transition:.22s ease;
}
.stat-cell:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.stat-cell strong{display:block;font-size:27px;color:#fff;letter-spacing:.5px}
.stat-cell strong em{font-style:normal;font-size:15px;color:#7fe0c8;margin-left:3px}
.stat-cell span{font-size:13.5px;color:#a7c6be}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbe3db}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#e6f6f1,#d3ede5);color:var(--brand-dark);margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px}
.card .tag{margin-top:16px}

/* 参数表 */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
table.spec{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
table.spec th,table.spec td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.spec thead th{background:linear-gradient(135deg,#0f8a72,#0a5f4f);color:#fff;font-weight:600;font-size:14px;letter-spacing:.5px}
table.spec tbody tr:last-child td{border-bottom:none}
table.spec tbody tr{transition:background .18s ease}
table.spec tbody tr:hover{background:#f4fbf8}
table.spec td strong{color:var(--brand-dark)}

/* 场景 */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.scene-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.scene-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,40,34,0) 45%,rgba(6,40,34,.6) 100%)}
.scene-media-cap{position:absolute;left:22px;bottom:18px;z-index:2;color:#fff;font-size:14px;font-weight:600}
.step-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.step-item{display:flex;gap:16px;padding:18px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.22s ease}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cbe3db}
.step-no{
  flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));color:#fff;font-weight:700;font-size:14px;
}
.step-item h3{font-size:16px;margin-bottom:5px}
.step-item p{font-size:14px;color:var(--muted)}

/* 案例卡 */
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.22s ease}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbe3db}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-body{padding:20px}
.case-body h3{font-size:16.5px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted)}
.case-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12.5px;color:var(--muted)}

/* 流程时间线 */
.flow-line{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;box-shadow:var(--shadow-sm);transition:.22s ease;position:relative}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbe3db}
.flow-step .num{font-size:12px;font-weight:700;color:var(--brand);letter-spacing:1px}
.flow-step h3{font-size:15.5px;margin:8px 0 6px}
.flow-step p{font-size:13.5px;color:var(--muted)}

/* 分类入口 */
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);transition:.24s ease;height:100%;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#b8ddd2}
.channel-card .ch-index{font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--accent)}
.channel-card h3{font-size:19px;margin:10px 0 10px}
.channel-card p{font-size:14.5px;color:var(--muted)}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.channel-card:hover .channel-more{color:var(--brand)}

/* 口碑 */
.rating-box{
  background:linear-gradient(135deg,#0f8a72,#0a5f4f);color:#fff;border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-md);
}
.rating-box strong{font-size:44px;line-height:1;display:block}
.rating-box .stars{color:#ffd88f;letter-spacing:3px;font-size:16px;margin:10px 0 8px}
.rating-box p{color:#c9e6de;font-size:14px}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:.22s ease;height:100%}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbe3db}
.voice p{font-size:14.5px;color:var(--text)}
.voice-user{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:14px}
.voice-user span{font-size:13px;color:var(--muted)}

/* 资讯 */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:30px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;gap:16px;padding:16px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:.2s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cbe3db}
.news-thumb{flex:none;width:126px;height:90px;border-radius:10px;overflow:hidden;background:var(--brand-soft)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body h3{font-size:16px;margin-bottom:6px;line-height:1.5}
.news-body p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:14px;margin-top:9px;font-size:12.5px;color:#8aa19b}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.news-side h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed var(--line);transition:.18s ease}
.side-item:last-child{border-bottom:none}
.side-item:hover{padding-left:6px}
.side-item strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.55}
.side-item span{font-size:12.5px;color:var(--muted)}
.empty-tip{padding:26px;border-radius:var(--radius);background:#fff;border:1px dashed var(--line);color:var(--muted);text-align:center}

/* 合作伙伴 */
.partner-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.partner{
  padding:20px;border-radius:var(--radius);background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);transition:.22s ease;text-align:center;
}
.partner:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.partner strong{display:block;font-size:15.5px;color:#fff;margin-bottom:6px}
.partner span{font-size:13px;color:#a2c4bc}

/* 快速解答 */
.qa-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-2);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-sm);transition:.22s ease;height:100%}
.qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.qa-card h3{font-size:16px;margin-bottom:9px;color:var(--brand-dark)}
.qa-card p{font-size:14.5px;color:var(--muted)}

/* 保障条 */
.promise-strip{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:38px;color:#fff;box-shadow:var(--shadow-md);
}
.promise-strip img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.promise-strip::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(6,38,32,.94),rgba(9,72,60,.78));z-index:1}
.promise-inner{position:relative;z-index:2}
.promise-items{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.promise-item{padding:16px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.promise-item strong{display:block;font-size:15px;margin-bottom:6px;color:#fff}
.promise-item span{font-size:13px;color:#bfded6}

/* 表单 */
.booking-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start}
.booking-info h2{font-size:29px;margin-bottom:14px}
.booking-info p{color:var(--muted)}
.booking-marks{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.booking-mark{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.booking-mark i{
  flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-style:normal;font-size:12px;font-weight:700;margin-top:3px;
}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
  background:#fbfdfc;font-size:15px;color:var(--text);transition:.2s ease;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,138,114,.14);
}
.field textarea{resize:vertical;min-height:96px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px}
.form-submit{width:100%;margin-top:20px}

/* 页脚 */
.site-footer{background:#0b2622;color:#b7d2ca;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1.1fr;gap:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col p{font-size:13.5px;color:#a2c4bc;margin-bottom:8px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13.8px;color:#a9c8c0;transition:.18s ease}
.footer-links a:hover{color:#7fe0c8;padding-left:4px}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#8fb0a8;
}

/* 响应式 */
@media (max-width:1024px){
  .hero{padding:140px 0 70px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:33px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-line{grid-template-columns:repeat(3,1fr)}
  .news-layout{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .booking-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .promise-items{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:4px;padding:14px;background:rgba(255,255,255,.99);
    border-bottom:1px solid var(--line);box-shadow:0 20px 34px rgba(13,45,39,.14);display:none;
  }
  .nav-links.open{display:flex}
  .nav-link{color:var(--text);padding:12px 14px}
  .nav-link:hover,.nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
  .nav-link.active{background:var(--brand-soft);color:var(--brand-dark)}
  .header-actions .btn-primary{display:none}
  .section{padding:60px 0}
  .section-head h2{font-size:25px}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .flow-line{grid-template-columns:1fr 1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:126px 0 60px}
  .hero h1{font-size:28px}
  .hero-text{font-size:14.5px}
  .news-item{flex-direction:column}
  .news-thumb{width:100%;height:150px}
  .promise-strip{padding:26px}
}
@media (max-width:520px){
  .container{width:92%}
  .hero h1{font-size:25px}
  .hero-stats{gap:18px}
  .hero-stat strong{font-size:20px}
  .flow-line{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .promise-items{grid-template-columns:1fr}
  .demo{padding:18px}
  .section-head h2{font-size:22px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
}

/* roulang page: article */
:root{
 --brand:#0f8a72;
 --brand-2:#13a68b;
 --brand-dark:#0a5f4f;
 --brand-soft:#e8f5f1;
 --accent:#dfa445;
 --accent-soft:#fbf2e2;
 --ink:#0d211d;
 --text:#243531;
 --muted:#667a75;
 --line:#e2ebe8;
 --bg:#f5f9f7;
 --white:#ffffff;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 12px rgba(13,45,39,.06);
 --shadow-md:0 16px 38px rgba(13,45,39,.12);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 padding-bottom:78px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink)}
p{margin:0}
.container{width:min(var(--max),92%);margin:0 auto}
.section{padding:72px 0}
.section--white{background:var(--white)}
.section--soft{background:linear-gradient(180deg,#eef7f3 0%,#f5f9f7 100%)}
.section--dark{background:#0b2622;color:#d8e8e3}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section-head{max-width:750px;margin-bottom:34px}
.eyebrow{
 display:inline-flex;align-items:center;gap:10px;
 font-size:12.5px;font-weight:600;letter-spacing:2px;color:var(--brand-dark);
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--accent))}
.section-head h2{font-size:29px;margin:12px 0 10px;letter-spacing:.4px}
.section-head p{color:var(--muted);font-size:15.5px}
.section--dark .section-head p{color:#a9c6bf}
.section--dark .eyebrow{color:#5fd7ba}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(19,166,139,.45);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));color:#fff;box-shadow:0 10px 22px rgba(10,95,79,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(10,95,79,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 16px rgba(10,95,79,.28)}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.1)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid #d4e9e2;
}
.tag-accent{background:var(--accent-soft);color:#8c6417;border-color:#f0dcb6}
.tag-ghost{background:rgba(255,255,255,.14);color:#e6f5f0;border-color:rgba(255,255,255,.26)}
/* 导航 */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:60;
 padding:12px 0;
 background:rgba(8,38,33,.34);
 -webkit-backdrop-filter:blur(16px) saturate(140%);
 backdrop-filter:blur(16px) saturate(140%);
 border-bottom:1px solid rgba(255,255,255,.16);
 transition:background .28s ease,box-shadow .28s ease,padding .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 8px 26px rgba(13,45,39,.1);padding:4px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.6px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#16b394,#0a5f4f);color:#fff;font-size:17px;font-weight:700;
 box-shadow:0 8px 18px rgba(10,95,79,.32);
}
.is-scrolled .brand{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;
 color:rgba(255,255,255,.86);transition:background .2s ease,color .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(255,255,255,.16);color:#fff;outline:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.is-scrolled .nav-link{color:var(--text)}
.is-scrolled .nav-link:hover,.is-scrolled .nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
.is-scrolled .nav-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
 border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;cursor:pointer;
}
.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}
/* 文章头部 */
.article-hero{position:relative;overflow:hidden;padding:150px 0 64px;color:#fff}
.article-hero-bg{position:absolute;inset:0;z-index:0}
.article-hero-bg img{width:100%;height:100%;object-fit:cover}
.article-hero-bg::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(5,30,26,.95) 0%,rgba(8,52,44,.88) 48%,rgba(11,72,60,.68) 100%);
}
.article-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.16fr .84fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9fc7be;flex-wrap:wrap}
.crumb a{color:#c9e2db;transition:color .2s ease}
.crumb a:hover{color:#fff}
.crumb-current{color:#ffd99a}
.article-hero h1{font-size:36px;line-height:1.32;margin:18px 0 16px;color:#fff;letter-spacing:.4px}
.article-summary{font-size:15.5px;color:#c9e2db;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px;font-size:13.5px;color:#9fc7be}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#5fd7ba}
.pick-card{
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
 border-radius:var(--radius-lg);padding:16px;
 -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
 box-shadow:0 24px 60px rgba(0,0,0,.28);
 transition:transform .25s ease,box-shadow .25s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:0 30px 70px rgba(0,0,0,.34)}
.pick-card img{width:100%;height:196px;object-fit:cover;border-radius:var(--radius)}
.pick-card h3{font-size:16.5px;margin:14px 0 10px;color:#fff}
.pick-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.pick-list li{position:relative;padding-left:18px;font-size:13.8px;color:#cfe6df}
.pick-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
/* 要点条 */
.highlight-bar{position:relative;z-index:3;margin-top:-38px}
.highlight-inner{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
 background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-md);
}
.highlight-cell{background:#fff;padding:22px 20px;transition:background .2s ease}
.highlight-cell:hover{background:#fbfefd}
.highlight-cell strong{display:block;font-size:20px;color:var(--brand-dark);line-height:1.25}
.highlight-cell span{font-size:13px;color:var(--muted)}
/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 36px;box-shadow:var(--shadow-sm)}
.article-body{font-size:16px;line-height:1.85;color:var(--text)}
.article-body h2{font-size:23px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand-2)}
.article-body h3{font-size:18.5px;margin:26px 0 12px;color:var(--brand-dark)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius);margin:18px 0;box-shadow:var(--shadow-sm)}
.article-body a{color:var(--brand-dark);border-bottom:1px solid #bfe0d7}
.article-body a:hover{color:var(--brand)}
.article-body blockquote{
 margin:20px 0;padding:16px 20px;background:var(--brand-soft);
 border-left:4px solid var(--brand-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--brand-dark);
}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-dark)}
.article-empty{padding:26px 4px;text-align:center}
.article-empty h2{font-size:22px;margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:22px}
/* 侧栏 */
.article-side{display:grid;gap:20px;position:sticky;top:92px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--brand-2);transform:rotate(45deg)}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.8px;padding-bottom:10px;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list span{color:var(--muted)}
.side-list strong{color:var(--ink);font-weight:600;text-align:right}
.side-card--book{background:linear-gradient(160deg,#0d3f37,#0a5f4f);border-color:#0a5f4f;color:#d8e8e3}
.side-card--book h3{color:#fff}
.side-card--book h3::before{background:var(--accent)}
.side-card--book p{font-size:13.6px;color:#b8d8d0;margin-bottom:16px}
.side-card--book .btn{width:100%}
/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:flow}
.flow-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 24px;
 box-shadow:var(--shadow-sm);position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c6e5db}
.flow-item::before{
 counter-increment:flow;content:"0" counter(flow);
 display:inline-block;font-size:13px;font-weight:700;color:var(--brand);
 background:var(--brand-soft);border-radius:999px;padding:3px 11px;margin-bottom:14px;
}
.flow-item h3{font-size:16.5px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--muted)}
/* 规格表 */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-sm)}
.spec-table{width:100%;border-collapse:collapse;min-width:640px}
.spec-table th,.spec-table td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.spec-table thead th{background:var(--brand-soft);color:var(--brand-dark);font-weight:700}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr{transition:background .2s ease}
.spec-table tbody tr:hover{background:#f8fdfb}
.spec-table td:first-child{font-weight:600;color:var(--ink)}
/* 口碑 */
.voice-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
.voice-main{
 background:linear-gradient(150deg,#0d3f37,#116b58);color:#e5f5ef;border-radius:var(--radius-lg);
 padding:36px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow-md);
}
.voice-main p{font-size:18px;line-height:1.8;color:#eaf7f2}
.voice-main .voice-from{margin-top:22px;font-size:13.6px;color:#9fc7be}
.voice-side{display:grid;gap:20px}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.voice-card p{font-size:14.5px;color:var(--text)}
.voice-card .voice-from{margin-top:12px;font-size:13px;color:var(--muted)}
/* 频道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
 position:relative;display:block;overflow:hidden;border-radius:var(--radius-lg);
 border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#0b2622;
 transition:transform .22s ease,box-shadow .22s ease;
}
.channel-card img{width:100%;height:180px;object-fit:cover;opacity:.72;transition:transform .4s ease,opacity .3s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.channel-card:hover img{transform:scale(1.06);opacity:.85}
.channel-body{position:absolute;inset:auto 0 0 0;padding:20px 22px;color:#fff;background:linear-gradient(180deg,rgba(5,30,26,0),rgba(5,30,26,.92))}
.channel-body h3{font-size:17.5px;color:#fff;margin-bottom:6px}
.channel-body p{font-size:13.4px;color:#c9e2db}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;font-weight:600;color:#ffd99a}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
 display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c6e5db}
.news-card h3{font-size:16.5px}
.news-card p{font-size:13.8px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:flex;justify-content:center;margin-top:30px}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:840px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:#bfe0d7;box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:600;color:var(--brand);line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted)}
/* 预约 */
.book-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:38px;align-items:start}
.book-info h2{font-size:29px;margin-bottom:14px}
.book-info p{color:#b8d8d0;font-size:15px;margin-bottom:20px}
.book-points{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.book-points li{position:relative;padding-left:22px;font-size:14.5px;color:#d8e8e3}
.book-points li::before{
 content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;
 background:var(--accent);transform:rotate(45deg);
}
.book-form{background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
 width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);
 background:#f9fdfb;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:88px}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 3px rgba(19,166,139,.15);
}
.form-note{font-size:12.8px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-tip{font-size:13.5px;color:var(--brand-dark);font-weight:600;margin-top:12px;min-height:20px}
/* 保障条 */
.assure-inner{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);
}
.assure-item{display:flex;gap:14px;align-items:flex-start}
.assure-icon{
 flex:0 0 auto;width:42px;height:42px;border-radius:12px;
 background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;
}
.assure-icon svg{width:20px;height:20px}
.assure-item h3{font-size:15.5px;margin-bottom:4px}
.assure-item p{font-size:13.6px;color:var(--muted)}
/* 页脚 */
.site-footer{background:#08211d;color:#a9c6bf;padding:60px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col p{font-size:13.6px;line-height:1.8;color:#93b3ac;margin-bottom:8px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.8px;color:#a9c6bf;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#5fd7ba}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:#7d9c95}
/* 底部固定转化条 */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(255,255,255,.97);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border-top:1px solid var(--line);box-shadow:0 -10px 28px rgba(13,45,39,.12);
 padding:11px 0;
}
.sticky-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.sticky-cta-text{display:flex;flex-direction:column;line-height:1.4}
.sticky-cta-text strong{font-size:14.5px;color:var(--ink)}
.sticky-cta-text span{font-size:12.8px;color:var(--muted)}
/* 响应式 */
@media (max-width:1024px){
 .article-hero-inner{grid-template-columns:1fr;gap:32px}
 .pick-card{max-width:520px}
 .article-layout{grid-template-columns:1fr;gap:28px}
 .article-side{position:static;grid-template-columns:1fr 1fr}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
 .highlight-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
 .channel-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .voice-grid{grid-template-columns:1fr}
 .book-wrap{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .assure-inner{grid-template-columns:1fr}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex}
 .nav-links{
  position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
  padding:12px;background:rgba(255,255,255,.99);border-bottom:1px solid var(--line);
  box-shadow:0 18px 32px rgba(13,45,39,.16);display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-link{color:var(--text);padding:12px 14px}
 .nav-link:hover,.nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
 .nav-link.active{background:var(--brand-soft);color:var(--brand-dark)}
 .header-actions .btn-sm{padding:8px 14px;font-size:13.5px}
 .article-hero{padding:132px 0 56px}
 .article-hero h1{font-size:28px}
 .section{padding:54px 0}
 .section-head h2{font-size:24px}
 .article-main{padding:24px 20px}
 .article-body{font-size:15.5px}
}
@media (max-width:640px){
 .brand{font-size:16.5px}
 .brand-mark{width:32px;height:32px;border-radius:9px;font-size:15px}
 .article-hero{padding:120px 0 48px}
 .article-hero h1{font-size:24px}
 .article-summary{font-size:14.5px;-webkit-line-clamp:5}
 .highlight-inner{grid-template-columns:1fr}
 .flow{grid-template-columns:1fr}
 .channel-grid,.news-grid{grid-template-columns:1fr}
 .article-side{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .footer-bottom{flex-direction:column;gap:6px}
 .sticky-cta-text span{display:none}
 .sticky-cta-inner{gap:10px}
 .voice-main{padding:26px 22px}
 .voice-main p{font-size:16px}
 .book-form{padding:22px}
 .btn{padding:11px 20px}
}

/* roulang page: category1 */
:root{
 --brand:#0f8a72;
 --brand-2:#13a68b;
 --brand-dark:#0a5f4f;
 --brand-soft:#e8f5f1;
 --accent:#dfa445;
 --accent-soft:#fbf2e2;
 --ink:#0d211d;
 --text:#243531;
 --muted:#667a75;
 --line:#e2ebe8;
 --bg:#f5f9f7;
 --white:#ffffff;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 12px rgba(13,45,39,.06);
 --shadow-md:0 16px 38px rgba(13,45,39,.12);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 padding-bottom:78px;
}
h1,h2,h3,h4,h5,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-family:inherit}
.container{width:min(var(--max),92%);margin:0 auto}
.section{padding:76px 0}
.section--white{background:var(--white)}
.section--soft{background:linear-gradient(180deg,#eef7f3 0%,#f5f9f7 100%)}
.section--dark{background:#0b2622;color:#d8e8e3}
.section--tight{padding:52px 0}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
 display:inline-flex;align-items:center;gap:10px;
 font-size:13px;font-weight:600;letter-spacing:2px;color:var(--brand-dark);
 text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--accent))}
.section-head h2{font-size:30px;line-height:1.35;margin:14px 0 12px;letter-spacing:.4px;color:var(--ink)}
.section-head p{color:var(--muted);font-size:15.5px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:#a9c6bf}
.section--dark .eyebrow{color:#5fd7ba}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(19,166,139,.45);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));color:#fff;box-shadow:0 10px 22px rgba(10,95,79,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(10,95,79,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 16px rgba(10,95,79,.28)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
/* 标签 */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid #d4e9e2;
}
.tag-accent{background:var(--accent-soft);color:#8c6417;border-color:#f0dcb6}
.tag-dark{background:rgba(255,255,255,.14);color:#e6f5f0;border-color:rgba(255,255,255,.24)}
/* 顶部导航 */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:60;
 padding:12px 0;
 background:rgba(8,38,33,.34);
 -webkit-backdrop-filter:blur(16px) saturate(140%);
 backdrop-filter:blur(16px) saturate(140%);
 border-bottom:1px solid rgba(255,255,255,.16);
 transition:background .28s ease,box-shadow .28s ease,padding .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 8px 26px rgba(13,45,39,.1);padding:4px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.6px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#16b394,#0a5f4f);color:#fff;font-size:17px;font-weight:700;
 box-shadow:0 8px 18px rgba(10,95,79,.32);
}
.is-scrolled .brand{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;
 color:rgba(255,255,255,.86);transition:background .2s ease,color .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(255,255,255,.16);color:#fff;outline:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.is-scrolled .nav-link{color:var(--text)}
.is-scrolled .nav-link:hover,.is-scrolled .nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
.is-scrolled .nav-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
 border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;cursor:pointer;
 transition:background .2s ease,border-color .2s ease;
}
.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}
/* Hero */
.hero{position:relative;overflow:hidden;padding:150px 0 84px;color:#fff}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{
 position:absolute;inset:0;z-index:1;
 background:linear-gradient(118deg,rgba(5,30,26,.95) 0%,rgba(8,52,44,.88) 48%,rgba(11,72,60,.62) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9fc7be;margin-bottom:18px}
.breadcrumb a{color:#9fc7be;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.breadcrumb a:hover{color:#fff;border-color:rgba(255,255,255,.6)}
.breadcrumb span{color:#d8ece6}
.hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.28;margin:18px 0 16px;color:#fff;letter-spacing:.5px}
.hero-lead{font-size:17px;font-weight:600;color:#ffd99a;margin-bottom:12px}
.hero-text{font-size:15.5px;color:#c6e0d9;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
/* 代码式参数面板 */
.code-panel{
 background:#081e1a;border:1px solid rgba(95,215,186,.26);border-radius:var(--radius-lg);
 box-shadow:0 26px 60px rgba(2,20,17,.46);overflow:hidden;
}
.code-head{display:flex;align-items:center;gap:8px;padding:13px 18px;background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.08);font-size:12.5px;color:#93b8b0;letter-spacing:.4px}
.code-dot{width:9px;height:9px;border-radius:50%;background:#2f5a52}
.code-dot.on{background:#5fd7ba}
.code-body{
 margin:0;padding:20px 20px 22px;font-size:13px;line-height:1.95;color:#cfe6df;
 font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
 white-space:pre-wrap;word-break:break-word;
}
.tok-key{color:#5fd7ba}
.tok-str{color:#ffd99a}
.tok-num{color:#8ecbff}
.tok-cmt{color:#5d8078}
/* 数据徽章 */
.stats-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe6de}
.stat-card strong{display:block;font-size:26px;line-height:1.2;color:var(--brand-dark);font-weight:700}
.stat-card span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}
/* 卡片 */
.card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e4dc}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#dfeae6}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px}
.card-title{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.45}
.card-text{font-size:14.5px;color:var(--muted)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
/* 场景图文 */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.scene + .scene{margin-top:56px}
.scene-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);aspect-ratio:16/11}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-body h3{font-size:23px;color:var(--ink);margin-bottom:12px;letter-spacing:.3px}
.scene-body p{color:var(--muted);font-size:15px}
.scene-list{margin-top:18px;display:grid;gap:10px}
.scene-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.scene-list li::before{
 content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:3px;
 background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));
}
.scene:nth-child(even) .scene-media{order:2}
/* 规格对照 */
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.spec-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 24px;box-shadow:var(--shadow-sm);position:relative;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e4dc}
.spec-card.is-featured{border-color:#9fd6c7;box-shadow:0 18px 40px rgba(10,95,79,.14);background:linear-gradient(180deg,#ffffff 0%,#f4fbf8 100%)}
.spec-badge{
 position:absolute;top:-13px;right:22px;padding:4px 12px;border-radius:999px;
 font-size:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),#c98d2c);
 box-shadow:0 8px 18px rgba(201,141,44,.32);
}
.spec-card h3{font-size:19px;color:var(--ink);margin-bottom:6px}
.spec-size{font-size:13px;color:var(--muted);margin-bottom:16px}
.spec-list{display:grid;gap:10px;font-size:14.5px;color:var(--text)}
.spec-list li{display:flex;justify-content:space-between;gap:14px;border-bottom:1px dashed var(--line);padding-bottom:9px}
.spec-list li span:last-child{color:var(--brand-dark);font-weight:600}
/* 口碑 */
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.voice-quote{font-size:15px;color:var(--text);margin-bottom:18px}
.voice-head{display:flex;align-items:center;gap:12px}
.avatar{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:16px;border:1px solid #d4e9e2;
}
.voice-name{font-size:14.5px;font-weight:700;color:var(--ink)}
.voice-meta{font-size:12.5px;color:var(--muted)}
/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
 display:flex;flex-direction:column;justify-content:space-between;gap:16px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;
 box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e4dc}
.post-title{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5}
.post-excerpt{font-size:14px;color:var(--muted);margin-top:9px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--muted)}
.empty-note{grid-column:1/-1;text-align:center;color:var(--muted);font-size:14.5px;padding:28px 0}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item:hover{box-shadow:var(--shadow-md);border-color:#c9e4dc}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:600;color:var(--brand);line-height:1;transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"–";color:var(--brand-dark)}
.faq-item[open]{border-color:#9fd6c7}
.faq-answer{padding:0 22px 20px;font-size:14.5px;color:var(--muted)}
/* 保障条 */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guarantee-item{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px 20px;
 transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.guarantee-item:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);border-color:rgba(95,215,186,.4)}
.guarantee-item h3{font-size:16px;color:#fff;margin-bottom:8px}
.guarantee-item p{font-size:13.5px;color:#a9c6bf}
/* CTA 与表单 */
.cta-panel{
 background:linear-gradient(135deg,#0b3b33 0%,#0f8a72 58%,#12a186 100%);
 border-radius:var(--radius-lg);padding:46px 44px;color:#fff;
 display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
 box-shadow:0 26px 60px rgba(10,95,79,.26);
}
.cta-panel h2{font-size:28px;line-height:1.35;margin-bottom:14px;color:#fff}
.cta-panel p{color:#cdeee4;font-size:15px}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{font-size:14.5px;color:#e2f7f0;display:flex;gap:10px;align-items:flex-start}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:#ffd99a;margin-top:9px;flex:0 0 auto}
.booking-form{background:rgba(255,255,255,.97);border-radius:var(--radius);padding:26px 24px;box-shadow:0 18px 40px rgba(4,40,34,.24)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-field{display:block;font-size:13px;font-weight:600;color:var(--brand-dark)}
.form-field input,.form-field select{
 display:block;width:100%;margin-top:7px;padding:11px 13px;font-size:14.5px;color:var(--text);
 border:1px solid var(--line);border-radius:var(--radius-sm);background:#fbfdfc;
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field input::placeholder{color:#9aada8}
.form-field input:focus,.form-field select:focus{
 outline:none;border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 3px rgba(19,166,139,.16);
}
.booking-form .btn{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.form-tip{
 display:none;margin-top:12px;padding:10px 14px;border-radius:var(--radius-sm);
 background:var(--brand-soft);border:1px solid #c9e4dc;color:var(--brand-dark);font-size:13px;text-align:center;
}
.form-tip.is-show{display:block}
/* 底部固定转化条 */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(255,255,255,.97);
 -webkit-backdrop-filter:blur(12px);
 backdrop-filter:blur(12px);
 border-top:1px solid var(--line);box-shadow:0 -8px 26px rgba(13,45,39,.1);
 padding:12px 0;
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.sticky-text{font-size:14px;color:var(--text)}
.sticky-text strong{color:var(--brand-dark)}
.sticky-actions{display:flex;align-items:center;gap:12px}
/* 页脚 */
.site-footer{background:#082522;color:#a9c6bf;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col p{font-size:13.5px;color:#9dbab3;line-height:1.85}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#9dbab3;transition:color .2s ease}
.footer-links a:hover,.footer-links a:focus-visible{color:#5fd7ba;outline:none}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 font-size:12.5px;color:#7f9c95;
}
/* 响应式 */
@media (max-width:1024px){
 .hero{padding:132px 0 70px}
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .grid-3,.grid-4,.spec-grid,.post-grid,.guarantee-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
 .scene{grid-template-columns:1fr;gap:24px}
 .scene:nth-child(even) .scene-media{order:0}
 .cta-panel{grid-template-columns:1fr;padding:38px 30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
 .nav-links{
  display:none;position:absolute;top:100%;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:rgba(255,255,255,.99);border:1px solid var(--line);border-top:none;
  border-radius:0 0 var(--radius) var(--radius);padding:12px;box-shadow:0 18px 34px rgba(13,45,39,.14);
 }
 .nav-links.is-open{display:flex}
 .nav-link{color:var(--text);padding:12px 14px;font-size:15px}
 .nav-link:hover,.nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
 .nav-link.active{background:var(--brand-soft);color:var(--brand-dark)}
 .nav-toggle{display:inline-flex}
 .site-header{background:rgba(8,38,33,.9)}
 .site-header.is-scrolled{background:rgba(255,255,255,.98)}
 .header-inner{position:relative}
 .section{padding:58px 0}
 .section-head h2{font-size:25px}
}
@media (max-width:640px){
 .grid-2,.grid-3,.grid-4,.spec-grid,.post-grid,.guarantee-grid,.stats-strip,.footer-grid,.form-row{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .cta-panel{padding:30px 22px}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;text-align:center}
 .sticky-actions{justify-content:center}
 .sticky-actions .btn{flex:1}
 body{padding-bottom:112px}
 .card-body{padding:18px}
 .section-head h2{font-size:23px}
 .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: category2 */
:root{
 --brand:#0f8a72;
 --brand-2:#13a68b;
 --brand-dark:#0a5f4f;
 --brand-soft:#e8f5f1;
 --accent:#dfa445;
 --accent-soft:#fbf2e2;
 --ink:#0d211d;
 --text:#243531;
 --muted:#667a75;
 --line:#e2ebe8;
 --bg:#f5f9f7;
 --white:#ffffff;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 12px rgba(13,45,39,.06);
 --shadow-md:0 16px 38px rgba(13,45,39,.12);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:min(var(--max),92%);margin:0 auto}
.section{padding:72px 0}
.section--white{background:var(--white)}
.section--soft{background:linear-gradient(180deg,#eef7f3 0%,#f5f9f7 100%)}
.section--dark{background:#0b2622;color:#d8e8e3}
.section-head{max-width:780px;margin-bottom:36px}
.eyebrow{
 display:inline-flex;align-items:center;gap:10px;
 font-size:13px;font-weight:600;letter-spacing:2px;color:var(--brand-dark);
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--accent))}
.section-head h2{font-size:29px;margin:14px 0 12px;letter-spacing:.3px}
.section-head p{color:var(--muted);font-size:15.5px;max-width:760px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:#a9c6bf}
.section--dark .eyebrow{color:#5fd7ba}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:3px solid rgba(19,166,139,.45);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));color:#fff;box-shadow:0 10px 22px rgba(10,95,79,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(10,95,79,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 16px rgba(10,95,79,.26)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.1)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:12px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid #d4e9e2;
}
.tag-accent{background:var(--accent-soft);color:#8c6417;border-color:#f0dcb6}
.tag-dark{background:rgba(255,255,255,.14);color:#e6f5f0;border-color:rgba(255,255,255,.24)}
/* 导航 */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:60;
 padding:12px 0;
 background:rgba(8,38,33,.34);
 -webkit-backdrop-filter:blur(16px) saturate(140%);
 backdrop-filter:blur(16px) saturate(140%);
 border-bottom:1px solid rgba(255,255,255,.16);
 transition:background .28s ease,box-shadow .28s ease,padding .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 8px 26px rgba(13,45,39,.1);padding:4px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.6px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#16b394,#0a5f4f);color:#fff;font-size:17px;font-weight:700;
 box-shadow:0 8px 18px rgba(10,95,79,.32);
}
.is-scrolled .brand{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;
 color:rgba(255,255,255,.86);transition:background .2s ease,color .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(255,255,255,.16);color:#fff;outline:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.is-scrolled .nav-link{color:var(--text)}
.is-scrolled .nav-link:hover,.is-scrolled .nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
.is-scrolled .nav-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
 border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;cursor:pointer;
}
.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}
/* 分类 Hero */
.cat-hero{position:relative;overflow:hidden;padding:152px 0 84px;color:#fff}
.cat-hero-bg{position:absolute;inset:0;z-index:0}
.cat-hero-bg img{width:100%;height:100%;object-fit:cover}
.cat-hero-overlay{
 position:absolute;inset:0;z-index:1;
 background:linear-gradient(118deg,rgba(5,30,26,.95) 0%,rgba(8,52,44,.88) 48%,rgba(11,72,60,.62) 100%);
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9fc7be;margin-bottom:16px}
.crumb a:hover{color:#fff;text-decoration:underline}
.cat-hero h1{font-size:38px;line-height:1.26;color:#fff;letter-spacing:.4px;margin-bottom:16px}
.cat-hero-lead{font-size:17px;font-weight:600;color:#ffd99a;margin-bottom:14px}
.cat-hero-text{font-size:15.5px;color:#c9e2db;max-width:600px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px}
.hero-panel{
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
 border-radius:var(--radius-lg);padding:26px;backdrop-filter:blur(8px);
 box-shadow:0 24px 50px rgba(3,24,20,.34);
}
.hero-panel h2{font-size:16px;color:#fff;letter-spacing:.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.hero-panel h2::before{content:"";width:6px;height:16px;border-radius:3px;background:var(--accent)}
.panel-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.18)}
.panel-item:last-of-type{border-bottom:none}
.panel-num{
 flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
 background:rgba(255,255,255,.16);color:#bff0e3;font-size:13px;font-weight:700;
}
.panel-item strong{display:block;color:#fff;font-size:14.5px;font-weight:600}
.panel-item span{font-size:13px;color:#a9c6bf;line-height:1.6}
.panel-stats{display:flex;gap:20px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.18)}
.panel-stats div strong{display:block;font-size:20px;color:#ffd99a;line-height:1.2}
.panel-stats div span{font-size:12.5px;color:#9fc7be}
/* 卡片 */
.card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e2d9}
.card-icon{
 width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.6px;color:var(--muted);line-height:1.75}
.card .tag{margin-top:16px}
.card-list{margin-top:14px;display:grid;gap:8px}
.card-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text)}
.card-list li::before{
 content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
 background:var(--brand-2);
}
/* 流程 */
.steps{display:grid;gap:16px;margin-top:8px}
.step{
 display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9e2d9}
.step-num{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 font-weight:700;font-size:16px;color:#fff;
 background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));
 box-shadow:0 8px 18px rgba(10,95,79,.24);
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14.4px;color:var(--muted)}
/* 对比 */
.compare{
 display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;
}
.compare-col{
 border-radius:var(--radius);padding:26px;border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow-sm);
}
.compare-col.is-new{background:linear-gradient(180deg,#f0faf6,#ffffff);border-color:#bfe4d8;box-shadow:0 18px 40px rgba(10,95,79,.1)}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-col h3 span.dot{width:9px;height:9px;border-radius:50%;background:#c3d3ce}
.compare-col.is-new h3 span.dot{background:var(--brand-2);box-shadow:0 0 0 4px rgba(19,166,139,.16)}
.compare-col li{display:flex;gap:10px;padding:9px 0;font-size:14.4px;color:var(--text);border-bottom:1px dashed var(--line)}
.compare-col li:last-child{border-bottom:none}
.compare-col li svg{flex:0 0 18px;width:18px;height:18px;margin-top:4px;color:var(--brand-2)}
.compare-col li.dim svg{color:#b9c8c3}
/* 口碑 */
.voice{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e2d9}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
 width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
 background:linear-gradient(135deg,#16b394,#0a5f4f);color:#fff;font-weight:700;font-size:15px;
}
.voice-head strong{display:block;font-size:14.6px;color:var(--ink)}
.voice-head span{font-size:12.5px;color:var(--muted)}
.voice p{font-size:14.4px;color:var(--text)}
.stars{display:flex;gap:3px;margin-top:14px;color:var(--accent)}
.stars svg{width:15px;height:15px}
/* 场景图文 */
.scene{
 display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.scene-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.scene-img img{width:100%;height:360px;object-fit:cover;transition:transform .5s ease}
.scene-img:hover img{transform:scale(1.04)}
.scene-img .tag{position:absolute;left:16px;top:16px}
.scene-body h2{font-size:27px;margin:12px 0 14px}
.scene-body p{color:var(--muted);font-size:15px;margin-bottom:16px}
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:20px}
.mini{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:14px 16px;box-shadow:var(--shadow-sm);
}
.mini strong{display:block;font-size:16px;color:var(--brand-dark)}
.mini span{font-size:13px;color:var(--muted)}
/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;justify-content:space-between;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9e2d9}
.post-card h3{font-size:16.5px;margin-bottom:10px;line-height:1.5}
.post-card h3 a:hover{color:var(--brand-dark)}
.post-card p{font-size:14px;color:var(--muted);flex:1}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;font-size:12.5px;color:var(--muted)}
.empty-note{
 text-align:center;color:var(--muted);font-size:14.5px;padding:40px 0;
 border:1px dashed var(--line);border-radius:var(--radius);background:var(--white);
}
.list-more{text-align:center;margin-top:32px}
/* FAQ */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq details{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:#bfe4d8;box-shadow:0 14px 32px rgba(10,95,79,.1)}
.faq summary{
 cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";font-size:20px;color:var(--brand);font-weight:600;line-height:1;
 transition:transform .2s ease;
}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:12px;font-size:14.6px;color:var(--muted)}
/* 保障条 */
.guarantee{background:#0b2622;color:#d8e8e3;border-radius:var(--radius-lg);padding:38px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:28px}
.g-item{display:flex;gap:14px;align-items:flex-start}
.g-icon{
 flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:rgba(95,215,186,.16);color:#5fd7ba;
}
.g-icon svg{width:21px;height:21px}
.g-item strong{display:block;color:#fff;font-size:15.5px;margin-bottom:6px}
.g-item p{font-size:13.8px;color:#a9c6bf}
/* 底部转化条 */
.fixed-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(255,255,255,.97);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border-top:1px solid var(--line);
 box-shadow:0 -12px 32px rgba(13,45,39,.12);
 padding:10px 0;
}
.fixed-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixed-bar-text strong{display:block;font-size:15px;color:var(--ink)}
.fixed-bar-text span{font-size:12.8px;color:var(--muted)}
.fixed-bar-actions{display:flex;gap:10px}
/* 页脚 */
.site-footer{background:#0b2622;color:#a9c6bf;padding:64px 0 110px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-col p{font-size:13.8px;line-height:1.8;color:#93b0a9;margin-bottom:8px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.8px;color:#93b0a9;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7d9c95;
}
/* 响应式 */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:32px}
 .cat-hero{padding:134px 0 70px}
 .cat-hero h1{font-size:32px}
 .scene{grid-template-columns:1fr;gap:28px}
 .scene-img img{height:300px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .guarantee{grid-template-columns:1fr;gap:22px;padding:30px}
}
@media (max-width:860px){
 .nav-links{
   position:absolute;top:calc(100% + 8px);left:4%;right:4%;
   flex-direction:column;align-items:stretch;gap:4px;
   background:#fff;border:1px solid var(--line);border-radius:var(--radius);
   box-shadow:var(--shadow-md);padding:12px;
   display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-link{color:var(--text);padding:11px 14px;border-radius:9px;font-size:15px}
 .nav-link:hover,.nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
 .nav-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
 .nav-toggle{display:inline-flex}
 .header-inner{position:relative}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .compare{grid-template-columns:1fr}
 .section{padding:56px 0}
 .section-head h2{font-size:24px}
 .cat-hero h1{font-size:28px}
 .fixed-bar-text span{display:none}
}
@media (max-width:520px){
 .cat-hero{padding:120px 0 58px}
 .cat-hero h1{font-size:25px}
 .hero-panel{padding:20px}
 .post-grid{grid-template-columns:1fr}
 .grid-4{grid-template-columns:1fr}
 .mini-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .brand{font-size:17px}
 .btn{padding:11px 18px;font-size:14px}
 .btn-lg{padding:12px 20px;font-size:15px}
 .fixed-bar-actions .btn{flex:1}
 .fixed-bar-inner{flex-direction:column;align-items:stretch;gap:8px}
 .step{grid-template-columns:1fr;gap:12px}
 .scene-img img{height:220px}
}

/* roulang page: category3 */
:root{
 --brand:#0f8a72;
 --brand-2:#13a68b;
 --brand-dark:#0a5f4f;
 --brand-soft:#e8f5f1;
 --accent:#dfa445;
 --accent-soft:#fbf2e2;
 --ink:#0d211d;
 --text:#243531;
 --muted:#667a75;
 --line:#e2ebe8;
 --bg:#f5f9f7;
 --white:#ffffff;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 12px rgba(13,45,39,.06);
 --shadow-md:0 16px 38px rgba(13,45,39,.12);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:15px;line-height:1.78;color:var(--text);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
.container{width:min(var(--max),92%);margin:0 auto}
.section{padding:76px 0}
.section--white{background:var(--white)}
.section--soft{background:linear-gradient(180deg,#eef7f3 0%,#f5f9f7 100%)}
.section--dark{background:#0b2622;color:#d8e8e3}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:30px;margin:14px 0 12px;letter-spacing:.4px;color:var(--ink);line-height:1.35}
.section-head p{color:var(--muted);font-size:15.5px}
.eyebrow{
 display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
 letter-spacing:2px;color:var(--brand-dark);
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--accent))}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:#a9c6bf}
.section--dark .eyebrow{color:#5fd7ba}

/* 按钮 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(19,166,139,.45);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));color:#fff;box-shadow:0 10px 22px rgba(10,95,79,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(10,95,79,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 16px rgba(10,95,79,.28)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{border-color:var(--brand);color:var(--brand-dark);background:#fff}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* 标签 */
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand-dark);border:1px solid #d4e9e2;
}
.tag-accent{background:var(--accent-soft);color:#8c6417;border-color:#f0dcb6}
.tag-dark{background:rgba(255,255,255,.14);color:#e6f5f0;border-color:rgba(255,255,255,.24)}

/* 头部导航 */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:60;padding:12px 0;
 background:rgba(8,38,33,.34);
 -webkit-backdrop-filter:blur(16px) saturate(140%);
 backdrop-filter:blur(16px) saturate(140%);
 border-bottom:1px solid rgba(255,255,255,.16);
 transition:background .28s ease,box-shadow .28s ease,padding .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 8px 26px rgba(13,45,39,.1);padding:4px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.6px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#16b394,#0a5f4f);color:#fff;font-size:17px;font-weight:700;
 box-shadow:0 8px 18px rgba(10,95,79,.32);flex:0 0 auto;
}
.is-scrolled .brand{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
 position:relative;padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;
 color:rgba(255,255,255,.86);transition:background .2s ease,color .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{background:rgba(255,255,255,.16);color:#fff;outline:none}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.is-scrolled .nav-link{color:var(--text)}
.is-scrolled .nav-link:hover,.is-scrolled .nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
.is-scrolled .nav-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;
 border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;cursor:pointer;
 transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.is-scrolled .nav-toggle{border-color:var(--line);background:#fff;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px}

/* 分类页 Hero */
.page-hero{position:relative;overflow:hidden;padding:154px 0 84px;color:#fff;background:#07231f}
.page-hero-bg{position:absolute;inset:0;z-index:0}
.page-hero-bg img{width:100%;height:100%;object-fit:cover}
.page-hero-overlay{
 position:absolute;inset:0;z-index:1;
 background:linear-gradient(115deg,rgba(4,27,23,.96) 0%,rgba(7,50,42,.9) 48%,rgba(10,68,56,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a8ccc3;margin-bottom:16px}
.crumb a{color:#cbe7df}
.crumb a:hover{color:#fff}
.crumb span{color:#7fa99f}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 font-size:13px;font-weight:600;color:#f6dcae;background:rgba(223,164,69,.14);
 border:1px solid rgba(223,164,69,.42);
}
.page-hero h1{font-size:40px;line-height:1.28;margin:20px 0 14px;color:#fff;letter-spacing:.5px}
.page-hero .hero-lead{font-size:17px;font-weight:600;color:#ffd99a;margin-bottom:14px}
.page-hero .hero-text{font-size:15.5px;color:#c9e2db;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}

/* Hero 右侧速查卡 */
.quick-card{
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
 border-radius:22px;padding:26px 24px;
 -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
 box-shadow:0 26px 60px rgba(0,0,0,.3);
}
.quick-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.quick-card-head h2{font-size:17px;color:#fff;letter-spacing:.4px}
.level-badge{
 display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;
 font-size:12px;font-weight:700;color:#2a1c04;background:linear-gradient(135deg,#f3cd82,#dfa445);
}
.quick-rows{margin:14px 0 18px}
.quick-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.quick-row:last-child{border-bottom:none}
.quick-row span{font-size:13.5px;color:#a9c9c1}
.quick-row strong{font-size:14.5px;color:#fff;font-weight:600}
.quick-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.quick-note{font-size:12.5px;color:#93b8af;margin-top:12px;line-height:1.7}

/* 卡片与网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c6e6dc}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px;letter-spacing:.3px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.78}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.card-num{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;display:block;margin-bottom:8px}

/* 片区卡 */
.district-card{display:flex;flex-direction:column}
.district-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:16px}
.mini-stat{
 display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:8px;
 font-size:12.5px;font-weight:600;color:var(--brand-dark);background:#f1f8f5;border:1px solid #dceee7;
}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c6e6dc}
.step-num{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;
 background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));
 box-shadow:0 8px 16px rgba(10,95,79,.24);
}
.step h3{font-size:16.5px;color:var(--ink);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* 计费数据卡 */
.price-card{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);padding:24px;
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.price-card:hover{transform:translateY(-4px);border-color:rgba(95,215,186,.6);background:rgba(255,255,255,.11)}
.price-card .price-label{font-size:13.5px;color:#9dc3ba;letter-spacing:.6px}
.price-card .price-value{font-size:28px;font-weight:700;color:#fff;margin:10px 0 6px;line-height:1.2}
.price-card .price-value small{font-size:14px;font-weight:500;color:#a9c9c1;margin-left:4px}
.price-card p{font-size:13.5px;color:#9dc3ba;line-height:1.72}
.price-note{margin-top:26px;font-size:13.5px;color:#8fb3aa;border-left:2px solid rgba(223,164,69,.7);padding-left:14px}

/* 对比 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c6e6dc}
.compare-card h3{font-size:19px;color:var(--ink);margin-bottom:6px}
.compare-card .compare-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.compare-list{display:flex;flex-direction:column;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);line-height:1.7}
.compare-list li::before{
 content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;
 background:linear-gradient(135deg,var(--brand-2),var(--brand-dark));
}
.compare-card--alt{border-color:#eedcbc;background:linear-gradient(180deg,#fffdf8,#fff)}
.compare-card--alt .compare-list li::before{background:linear-gradient(135deg,#f0c374,var(--accent))}

/* 图文板块 */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media .media-badge{
 position:absolute;left:16px;bottom:16px;padding:7px 14px;border-radius:999px;
 background:rgba(8,38,33,.82);color:#d6f0e8;font-size:12.5px;font-weight:600;
 backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.2);
}
.check-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.check-item{display:flex;gap:14px;align-items:flex-start}
.check-icon{
 flex:0 0 30px;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);
}
.check-icon svg{width:16px;height:16px}
.check-item h3{font-size:16px;color:var(--ink);margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--muted)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#c6e6dc;box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 font-size:17px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:#d9f0e9}
.faq-item p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* 保障条 */
.promise-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.promise-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.promise-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.promise-item h3{font-size:15.5px;color:var(--ink);margin:12px 0 8px}
.promise-item p{font-size:13.5px;color:var(--muted)}
.promise-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:#8c6417}
.promise-icon svg{width:19px;height:19px}

/* 预约表单 */
.booking-band{
 background:linear-gradient(135deg,#0a3b33 0%,#0d5445 58%,#116b57 100%);
 border-radius:24px;padding:44px;color:#fff;box-shadow:0 30px 70px rgba(10,60,50,.28);
 display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:start;
}
.booking-band h2{font-size:28px;color:#fff;margin:12px 0 12px;line-height:1.34}
.booking-band p{font-size:14.5px;color:#c0ded5;line-height:1.8}
.booking-points{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.booking-points li{display:flex;gap:10px;font-size:14px;color:#d9eee7}
.booking-points li::before{content:"";flex:0 0 7px;height:7px;margin-top:9px;border-radius:50%;background:#f0c374}
.booking-form{background:rgba(255,255,255,.97);border-radius:18px;padding:26px;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
 width:100%;padding:11px 13px;border-radius:9px;border:1px solid var(--line);background:#fff;
 font-size:14px;color:var(--text);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(19,166,139,.16);
}
.field textarea{resize:vertical;min-height:76px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-msg{
 display:none;margin-top:12px;font-size:13.5px;font-weight:600;color:var(--brand-dark);
 background:var(--brand-soft);border:1px solid #cfe9e0;border-radius:9px;padding:10px 12px;
}
.form-msg.is-visible{display:block}

/* 页脚 */
.site-footer{background:#082521;color:#c3dcd5;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px}
.footer-col p{font-size:14px;color:#a4c2ba;margin-bottom:10px;line-height:1.75}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#a4c2ba;transition:color .2s ease}
.footer-links a:hover,.footer-links a:focus-visible{color:#7fe0c8;outline:none}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#7fa39a;
}

/* 移动端底部转化条 */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
 align-items:center;justify-content:space-between;gap:12px;
 padding:10px 16px;background:rgba(8,37,33,.96);
 border-top:1px solid rgba(255,255,255,.14);
 backdrop-filter:blur(10px);
}
.sticky-cta .sticky-text{font-size:13px;color:#c8e2da;line-height:1.4}
.sticky-cta .sticky-text strong{display:block;color:#fff;font-size:14px}

/* 响应式 */
@media (max-width:1080px){
 .page-hero-inner{grid-template-columns:1fr;gap:34px}
 .page-hero{padding:140px 0 72px}
 .split{grid-template-columns:1fr;gap:30px}
 .booking-band{grid-template-columns:1fr;padding:34px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .promise-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex}
 .nav-links{
  position:absolute;top:100%;left:0;right:0;margin-top:8px;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;
  box-shadow:0 18px 40px rgba(13,45,39,.16);display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-link{color:var(--text);padding:12px 14px}
 .nav-link:hover,.nav-link:focus-visible{background:var(--brand-soft);color:var(--brand-dark)}
 .nav-link.active{background:var(--brand-soft);color:var(--brand-dark)}
 .is-scrolled .nav-links{background:#fff}
 .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .sticky-cta{display:flex}
 body{padding-bottom:72px}
 .section{padding:58px 0}
 .page-hero h1{font-size:32px}
 .section-head h2{font-size:25px}
}
@media (max-width:560px){
 .page-hero{padding:124px 0 56px}
 .page-hero h1{font-size:27px;line-height:1.34}
 .page-hero .hero-text{font-size:14.5px}
 .hero-actions .btn{width:100%}
 .header-actions .btn-sm{display:none}
 .booking-band{padding:24px 18px;border-radius:18px}
 .booking-band h2{font-size:23px}
 .form-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .promise-grid{grid-template-columns:1fr}
 .price-card .price-value{font-size:24px}
 .faq-item summary{font-size:15px;padding:16px 18px}
 .faq-item p{padding:0 18px 18px}
}