/* roulang page: index */
:root{
  --brand:#16785f;
  --brand-dark:#0f5c49;
  --brand-light:#1fa07f;
  --brand-soft:#eaf4f0;
  --accent:#d99a2b;
  --accent-dark:#c0871f;
  --accent-soft:#fdf3e0;
  --ink:#0f241f;
  --text:#22332e;
  --muted:#6b7d78;
  --bg:#f5f7f4;
  --surface:#ffffff;
  --line:#e3e9e5;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(15,36,31,.05);
  --shadow-md:0 12px 30px rgba(15,36,31,.10);
  --shadow-lg:0 20px 48px rgba(15,36,31,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(31,160,127,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.section--plain{background:var(--surface);}
.section--soft{background:var(--bg);}
.section--dark{background:linear-gradient(160deg,#0d2f28 0%,#12453a 60%,#16503f 100%);color:#e6f2ee;}

.section-head{max-width:760px;margin-bottom:38px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;font-weight:600;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section--dark .section-kicker{color:#7fd7bd;}
.section--dark .section-kicker::before{background:#7fd7bd;}
.section-title{font-size:30px;line-height:1.35;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.section--dark .section-title{color:#ffffff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section--dark .section-desc{color:#b9d6cd;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,36,31,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(22,120,95,.28);flex:0 0 auto;}
.brand-text strong{display:block;font-size:17px;line-height:1.25;color:var(--ink);letter-spacing:.5px;}
.brand-text small{display:block;font-size:11px;letter-spacing:1.6px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;color:var(--text);transition:background .2s ease,color .2s ease;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;min-height:44px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,120,95,.25);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,120,95,.32);color:#fff;}
.btn-accent{background:var(--accent);color:#3b2703;box-shadow:0 8px 20px rgba(217,154,43,.3);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);color:#3b2703;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;min-height:40px;}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:11px;min-height:52px;}
.btn-block{width:100%;}

/* Hero */
.hero{position:relative;padding:74px 0 86px;background:linear-gradient(180deg,#0b2a24 0%,#124439 55%,#175545 100%);color:#fff;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.2;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(880px 420px at 80% 8%,rgba(217,154,43,.24),transparent 62%),radial-gradient(700px 380px at 8% 92%,rgba(31,160,127,.26),transparent 64%);}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:13px;letter-spacing:1.4px;color:#c8e8de;}
.hero h1{margin-top:20px;font-size:40px;line-height:1.32;font-weight:800;letter-spacing:.5px;color:#fff;}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:#cfe4dd;max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:13.5px;font-weight:600;border:1px solid #d8eae4;}
.tag--light{background:rgba(255,255,255,.12);color:#dff2eb;border-color:rgba(255,255,255,.24);}
.tag--accent{background:var(--accent-soft);color:#8a5f0c;border-color:#f2e0bd;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

.hero-panel{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:28px 26px;backdrop-filter:blur(8px);box-shadow:0 22px 46px rgba(0,0,0,.22);}
.hero-panel h3{font-size:17px;font-weight:700;color:#fff;letter-spacing:.4px;}
.hero-panel .panel-sub{margin-top:6px;font-size:13px;color:#a9cdc3;letter-spacing:.6px;}
.seat-row{display:flex;gap:10px;margin:20px 0 16px;}
.seat{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:700;background:rgba(255,255,255,.1);border:1px dashed rgba(255,255,255,.38);color:#cfe4dd;}
.seat.is-filled{background:linear-gradient(140deg,#28b592,#16785f);border:1px solid #47d5b0;color:#fff;box-shadow:0 6px 16px rgba(31,160,127,.35);}
.progress{height:8px;border-radius:99px;background:rgba(255,255,255,.16);overflow:hidden;}
.progress i{display:block;height:100%;width:75%;border-radius:99px;background:linear-gradient(90deg,#31c9a3,#d99a2b);}
.panel-meta{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;color:#b6d8ce;}
.panel-meta b{color:#ffd58a;font-size:15px;}
.panel-line{height:1px;background:rgba(255,255,255,.16);margin:18px 0;}
.panel-note{font-size:13px;line-height:1.7;color:#a9cdc3;}

/* 指标 */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cde4dc;}
.metric-num{font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.5px;}
.metric-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;}
.metric-label{margin-top:8px;font-size:15px;font-weight:700;color:var(--ink);}
.metric p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;}

/* 通用卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cde4dc;}
.card-body{padding:24px;}
.card-body h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.45;}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.card-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);display:grid;place-items:center;margin-bottom:16px;}
.card-icon svg{width:22px;height:22px;stroke:var(--brand-dark);}

/* 安全主张 */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.safety-item{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--radius-sm);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.safety-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.safety-item h3{font-size:16px;font-weight:700;color:var(--ink);}
.safety-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;}

/* 检查项 */
.check-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:start;}
.check-figure{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.check-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.check-list{display:grid;gap:14px;}
.check-item{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.check-item::before{content:"";flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316785f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/14px no-repeat;margin-top:3px;}
.check-item strong{display:block;font-size:15.5px;color:var(--ink);font-weight:700;}
.check-item span{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.68;}

/* 合规徽章 */
.badge-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.badge{display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.24);font-size:14.5px;font-weight:600;color:#e2f4ee;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.badge:hover{background:rgba(255,255,255,.16);border-color:#7fd7bd;transform:translateY(-2px);}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:#38cba6;box-shadow:0 0 0 4px rgba(56,203,166,.18);}

/* 边界说明 */
.boundary{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.boundary-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);}
.boundary-col h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:9px;}
.boundary-col h3::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--accent);}
.boundary-col ul{margin-top:16px;display:grid;gap:11px;}
.boundary-col li{position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.boundary-col li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand-light);}

/* 分类入口 */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c6e0d8;}
.cat-thumb{aspect-ratio:16/10;overflow:hidden;background:#dfeae5;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.cat-card:hover .cat-thumb img{transform:scale(1.05);}
.cat-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.cat-body h3{font-size:18px;font-weight:700;color:var(--ink);}
.cat-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;flex:1;}
.cat-link{margin-top:16px;font-size:14px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.cat-link::after{content:"›";font-size:18px;line-height:1;transition:transform .2s ease;}
.cat-card:hover .cat-link::after{transform:translateX(4px);}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{border-radius:var(--radius);padding:28px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);}
.compare-col--dark{background:linear-gradient(160deg,#0f3d33,#17604e);border-color:#1d6b58;color:#e3f3ee;}
.compare-col h3{font-size:17px;font-weight:700;color:var(--ink);}
.compare-col--dark h3{color:#fff;}
.compare-col ul{margin-top:18px;display:grid;gap:12px;}
.compare-col li{display:flex;gap:10px;font-size:14.5px;line-height:1.72;color:var(--muted);}
.compare-col--dark li{color:#bfdcd3;}
.compare-col li::before{content:"";flex:0 0 18px;width:18px;height:18px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316785f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;margin-top:4px;}
.compare-col--dark li::before{background:rgba(255,255,255,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237fd7bd' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat;}

/* 时间线 */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.timeline::before{content:"";position:absolute;left:0;right:0;top:26px;height:2px;background:linear-gradient(90deg,#cfe4dc,#e8efec);}
.tl-item{position:relative;padding-top:58px;}
.tl-dot{position:absolute;top:16px;left:0;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 5px rgba(22,120,95,.1);}
.tl-year{font-size:14px;font-weight:800;color:var(--brand);letter-spacing:1px;}
.tl-item h3{margin-top:6px;font-size:16px;font-weight:700;color:var(--ink);}
.tl-item p{margin-top:7px;font-size:14px;color:var(--muted);line-height:1.7;}

/* 资讯列表 */
.news-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:30px;align-items:start;}
.news-list{display:grid;gap:16px;}
.news-item{display:grid;grid-template-columns:150px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cde4dc;}
.news-thumb{border-radius:10px;overflow:hidden;background:#e6efeb;aspect-ratio:4/3;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink);}
.news-item:hover .news-body h3{color:var(--brand-dark);}
.news-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8a9d97;}
.news-meta em{font-style:normal;padding:2px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.news-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);}
.news-side h3{font-size:16px;font-weight:700;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line);}
.side-list{margin-top:6px;display:grid;gap:2px;}
.side-list a{display:block;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text);line-height:1.6;transition:color .2s ease,padding-left .2s ease;}
.side-list a:hover{color:var(--brand-dark);padding-left:5px;}
.side-list li:last-child a{border-bottom:none;}
.cms-empty{padding:36px 20px;text-align:center;color:var(--muted);font-size:14.5px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);}

/* 信任背书 */
.trust-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;}
.trust-media{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.trust-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.quote-list{display:grid;gap:16px;}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.quote p{font-size:14.5px;color:var(--text);line-height:1.75;}
.quote footer{margin-top:12px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.quote footer::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* 场景矩阵 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene{background:var(--surface);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;}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cde4dc;}
.scene h3{font-size:16.5px;font-weight:700;color:var(--ink);}
.scene p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.72;}
.scene .tag{margin-top:16px;font-size:12.5px;}

/* 表单 */
.book-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
.book-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:30px;backdrop-filter:blur(6px);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-grid label{display:block;font-size:13.5px;color:#b9d6cd;font-weight:600;}
.form-grid label.full{grid-column:1/-1;}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;margin-top:8px;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);color:#fff;transition:border-color .2s ease,background .2s ease;}
.form-grid input::placeholder,.form-grid textarea::placeholder{color:#9bc0b6;}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:#4dd3ae;background:rgba(255,255,255,.16);outline:none;}
.form-grid select option{color:#14261f;}
.book-form .btn{margin-top:22px;}
.form-note{margin-top:14px;font-size:13px;color:#a3c7bc;line-height:1.7;}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 24px;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item + .faq-item{margin-top:12px;}
.faq-item[open]{border-color:#c7e2da;box-shadow:var(--shadow-md);}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 0;font-size:16px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform .2s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 0 20px;font-size:14.8px;color:var(--muted);line-height:1.8;}

/* 页脚 */
.site-footer{background:#0c2520;color:#b6d1c9;padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:#8fb2a8;}
.footer-brand p{margin-top:16px;font-size:14px;color:#9dbcb3;line-height:1.8;max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#a7c4bb;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#7fd7bd;padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#87a79e;}

/* toast */
.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);background:#0f2f28;color:#e7f5f0;padding:13px 24px;border-radius:10px;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:200;border:1px solid rgba(127,215,189,.35);}
.toast.is-show{opacity:1;transform:translate(-50%,0);}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero h1{font-size:34px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .safety-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3,.cat-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .timeline::before{display:none;}
  .check-layout,.trust-grid,.book-wrap{grid-template-columns:1fr;gap:30px;}
  .news-layout{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .nav-links{position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 18px;box-shadow:0 16px 30px rgba(15,36,31,.1);display:none;}
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 14px;}
  .nav-toggle{display:flex;}
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
}
@media (max-width:768px){
  .grid-3,.grid-2,.cat-grid,.compare,.boundary,.scene-grid,.timeline,.form-grid{grid-template-columns:1fr;}
  .hero{padding:52px 0 62px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15px;}
  .metrics-grid,.safety-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-thumb{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .btn-lg{padding:14px 24px;font-size:15px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-title{font-size:23px;}
  .hero h1{font-size:24px;}
  .brand-text small{display:none;}
  .brand-text strong{font-size:15.5px;}
  .hero-cta .btn{width:100%;}
  .metric-num{font-size:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
 --brand:#16785f;
 --brand-dark:#0f5c49;
 --brand-light:#1fa07f;
 --brand-soft:#eaf4f0;
 --accent:#d99a2b;
 --accent-dark:#c0871f;
 --accent-soft:#fdf3e0;
 --ink:#0f241f;
 --text:#22332e;
 --muted:#6b7d78;
 --bg:#f5f7f4;
 --surface:#ffffff;
 --line:#e3e9e5;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 8px rgba(15,36,31,.05);
 --shadow-md:0 12px 30px rgba(15,36,31,.10);
 --shadow-lg:0 20px 48px rgba(15,36,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:20px;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:3px solid rgba(31,160,127,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--tight{padding:54px 0;}
.section--plain{background:var(--surface);}
.section--soft{background:var(--bg);}
.section--dark{background:linear-gradient(160deg,#0d2f28 0%,#12453a 60%,#16503f 100%);color:#e6f2ee;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;font-weight:600;color:var(--brand);margin-bottom:12px;}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section--dark .section-kicker{color:#7fd7bd;}
.section--dark .section-kicker::before{background:#7fd7bd;}
.section-title{font-size:29px;line-height:1.36;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section--dark .section-desc{color:#b9d6cd;}
/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,36,31,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(22,120,95,.28);flex:0 0 auto;}
.brand-text strong{display:block;font-size:17px;line-height:1.25;color:var(--ink);letter-spacing:.5px;}
.brand-text small{display:block;font-size:11px;letter-spacing:1.6px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;color:var(--text);}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* 按钮与标签 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;min-height:44px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,120,95,.25);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,120,95,.32);color:#fff;}
.btn-accent{background:var(--accent);color:#3b2703;box-shadow:0 8px 20px rgba(217,154,43,.3);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);color:#3b2703;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;min-height:40px;}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:11px;min-height:52px;}
.btn-block{width:100%;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#d9ece6;}
.tag--soft{background:var(--brand-soft);border-color:transparent;color:var(--brand-dark);}
/* 文章头部 */
.article-hero{position:relative;padding:44px 0 58px;background:linear-gradient(180deg,#0b2a24 0%,#124439 58%,#175545 100%);color:#fff;overflow:hidden;}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.18;}
.article-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(760px 360px at 84% 4%,rgba(217,154,43,.22),transparent 62%),radial-gradient(640px 340px at 6% 96%,rgba(31,160,127,.24),transparent 64%);}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:#9fc4ba;}
.breadcrumb a{color:#cfe4dd;border-bottom:1px dashed rgba(255,255,255,.38);padding-bottom:1px;}
.breadcrumb a:hover{color:#fff;border-bottom-color:#fff;}
.breadcrumb .current{color:#f0f8f5;max-width:640px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{margin-top:20px;font-size:34px;line-height:1.4;font-weight:800;letter-spacing:.4px;color:#fff;max-width:880px;}
.article-lead{margin-top:16px;max-width:820px;font-size:15.5px;line-height:1.85;color:#cfe4dd;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;}
.meta-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);font-size:13px;color:#d5e9e2;}
.meta-chip b{color:#fff;font-weight:700;}
/* 指标条 */
.stats-strip{background:var(--surface);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.stat{padding:26px 18px;text-align:center;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:23px;font-weight:800;color:var(--brand-dark);line-height:1.3;}
.stat span{display:block;margin-top:4px;font-size:13.5px;color:var(--muted);}
/* 文章布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 332px;gap:34px;align-items:start;}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:34px 36px;}
.article-figure{margin:0 0 26px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.article-figure img{width:100%;aspect-ratio:16/8;object-fit:cover;}
.article-content{font-size:16px;line-height:1.86;color:var(--text);}
.article-content h2{font-size:22px;line-height:1.5;font-weight:800;color:var(--ink);margin:34px 0 14px;padding-left:13px;border-left:4px solid var(--brand);}
.article-content h3{font-size:18px;font-weight:700;color:var(--ink);margin:26px 0 10px;}
.article-content h4{font-size:16px;font-weight:700;color:var(--ink);margin:20px 0 8px;}
.article-content p{margin:0 0 16px;}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px;}
.article-content li{margin-bottom:8px;}
.article-content strong{color:var(--brand-dark);font-weight:700;}
.article-content a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand);}
.article-content img{border-radius:12px;margin:22px 0;box-shadow:var(--shadow-sm);}
.article-content blockquote{margin:22px 0;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 10px 10px 0;color:var(--brand-dark);font-size:15.5px;}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-content th{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.article-content tr:nth-child(even) td{background:#fafbfa;}
.article-empty{text-align:center;padding:34px 10px;}
.article-empty h2{font-size:22px;color:var(--ink);margin-bottom:12px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}
/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:18px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe3da;}
.side-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:16px;border-radius:3px;background:var(--brand);display:inline-block;}
.side-card--accent{background:linear-gradient(155deg,#0f3d33,#155844);border-color:transparent;color:#dfeee9;}
.side-card--accent h3{color:#fff;}
.side-card--accent h3::before{background:var(--accent);}
.side-card--accent p{font-size:14px;line-height:1.8;color:#c3dcd4;margin-bottom:16px;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list b{flex:0 0 46px;color:var(--brand-dark);font-weight:700;}
.side-list span{flex:1;color:var(--muted);line-height:1.7;}
/* 到店检查 */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.check-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:24px;transition:transform .2s ease,background .2s ease,border-color .2s ease;}
.check-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(127,215,189,.5);}
.check-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:rgba(127,215,189,.18);color:#7fd7bd;font-weight:800;font-size:15px;margin-bottom:14px;}
.check-card h3{font-size:17px;color:#fff;margin-bottom:9px;font-weight:700;}
.check-card p{font-size:14.5px;line-height:1.8;color:#b9d6cd;}
/* 相关内容列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-item{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#bfdcd1;}
.post-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.55;}
.post-item p{font-size:14px;color:var(--muted);line-height:1.75;}
/* FAQ */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:#bfdcd1;box-shadow:var(--shadow-md);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;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:700;color:var(--brand);line-height:1;}
.faq-item[open] summary::after{content:"—";font-size:16px;}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.82;color:var(--muted);}
/* 转化区 */
.cta-band{background:linear-gradient(150deg,#0d2f28 0%,#12453a 58%,#16503f 100%);color:#fff;border-radius:18px;padding:42px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:var(--shadow-lg);}
.cta-band h2{font-size:25px;font-weight:800;color:#fff;line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;color:#b9d6cd;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* 页脚 */
.site-footer{background:#0d2b24;color:#b9d6cd;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand p{font-size:14px;line-height:1.82;color:#9dc0b6;margin-top:12px;max-width:420px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text small{color:#9dc0b6;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#b9d6cd;}
.footer-col a:hover{color:#7fd7bd;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 24px 26px;font-size:13px;color:#89a9a0;}
@media (max-width:1024px){
 .article-layout{grid-template-columns:1fr;}
 .article-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));}
 .check-grid,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-brand{grid-column:1 / -1;}
 .article-hero h1{font-size:29px;}
}
@media (max-width:900px){
 .nav-toggle{display:flex;}
 .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 16px 32px rgba(15,36,31,.12);padding:10px 16px 16px;flex-direction:column;align-items:stretch;gap:2px;border-radius:0 0 14px 14px;}
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;}
 .nav-actions .btn-sm{display:none;}
}
@media (max-width:768px){
 .section{padding:52px 0;}
 .container{padding:0 18px;}
 .article-hero{padding:30px 0 44px;}
 .article-hero h1{font-size:24px;}
 .article-card{padding:22px 20px;}
 .article-content{font-size:15.5px;}
 .article-content h2{font-size:20px;}
 .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .stat{border-bottom:1px solid var(--line);}
 .stat:nth-child(2n){border-right:0;}
 .stat:nth-child(n+3){border-bottom:0;}
 .article-side{grid-template-columns:1fr;}
 .check-grid,.post-grid{grid-template-columns:1fr;}
 .cta-band{padding:30px 24px;}
 .cta-band h2{font-size:21px;}
 .section-title{font-size:23px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{justify-content:flex-start;}
}
@media (max-width:520px){
 .brand-text small{display:none;}
 .article-hero h1{font-size:21px;}
 .breadcrumb .current{display:none;}
 .article-meta .meta-chip{font-size:12px;padding:5px 11px;}
 .btn{width:100%;}
 .nav-actions .btn{width:auto;}
 .cta-actions{width:100%;}
}

/* roulang page: category1 */
:root{
 --brand:#16785f;
 --brand-dark:#0f5c49;
 --brand-light:#1fa07f;
 --brand-soft:#eaf4f0;
 --accent:#d99a2b;
 --accent-dark:#c0871f;
 --accent-soft:#fdf3e0;
 --ink:#0f241f;
 --text:#22332e;
 --muted:#6b7d78;
 --bg:#f5f7f4;
 --surface:#ffffff;
 --line:#e3e9e5;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 8px rgba(15,36,31,.05);
 --shadow-md:0 12px 30px rgba(15,36,31,.10);
 --shadow-lg:0 20px 48px rgba(15,36,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.35;letter-spacing:.2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--tight{padding:52px 0;}
.section--plain{background:var(--surface);}
.section--soft{background:var(--bg);}
.section--dark{background:linear-gradient(160deg,#0d2f28 0%,#12453a 60%,#16503f 100%);color:#e6f2ee;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;font-weight:600;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section--dark .section-kicker{color:#7fd7bd;}
.section--dark .section-kicker::before{background:#7fd7bd;}
.section-title{font-size:29px;line-height:1.38;font-weight:800;color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section--dark .section-desc{color:#b9d6cd;}
/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,36,31,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;position:relative;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(22,120,95,.28);flex:0 0 auto;}
.brand-text strong{display:block;font-size:17px;line-height:1.25;color:var(--ink);letter-spacing:.5px;}
.brand-text small{display:block;font-size:11px;letter-spacing:1.6px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;color:var(--text);transition:background .2s ease,color .2s ease;min-height:40px;display:inline-flex;align-items:center;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.nav-link:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;min-height:44px;}
.btn:focus-visible{outline:3px solid rgba(31,160,127,.42);outline-offset:2px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,120,95,.25);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,120,95,.32);color:#fff;}
.btn-accent{background:var(--accent);color:#3b2703;box-shadow:0 8px 20px rgba(217,154,43,.3);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);color:#3b2703;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;min-height:40px;}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:11px;min-height:52px;}
.btn-block{width:100%;}
/* 标签 */
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);font-size:13px;font-weight:500;color:#dff0ea;}
.tag--light{background:var(--brand-soft);border-color:#d5e7e0;color:var(--brand-dark);}
.tag--accent{background:var(--accent-soft);border-color:#f2e0bd;color:#8a6112;}
/* 内页 Hero */
.page-hero{position:relative;overflow:hidden;padding:42px 0 68px;background:linear-gradient(180deg,#f2f8f5 0%,#eaf4f0 58%,#f5f7f4 100%);border-bottom:1px solid var(--line);}
.page-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.1;}
.page-hero .container{position:relative;z-index:2;}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;}
.breadcrumbs a:hover{color:var(--brand-dark);}
.breadcrumbs span.sep{color:#b7c6c0;}
.breadcrumbs .current{color:var(--brand-dark);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #d5e7e0;font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--brand-dark);}
.hero-copy h1{margin-top:18px;font-size:38px;line-height:1.3;letter-spacing:.4px;}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:#42564f;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md);padding:26px 26px 22px;position:relative;}
.hero-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--brand-light),var(--brand-dark));}
.hero-card-kicker{font-size:13px;letter-spacing:1.6px;font-weight:700;color:var(--brand);margin-bottom:14px;padding-left:12px;}
.check-list{padding-left:12px;}
.check-list li{position:relative;padding:11px 0 11px 30px;border-bottom:1px dashed var(--line);font-size:14.5px;line-height:1.7;color:#3b4f48;}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{content:"";position:absolute;left:0;top:17px;width:17px;height:17px;border-radius:5px;background:var(--brand-soft);border:1px solid #cbe2d8;}
.check-list li::after{content:"";position:absolute;left:5px;top:22px;width:7px;height:4px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);}
.hero-card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;padding-left:12px;font-size:14px;font-weight:600;color:var(--brand-dark);}
.hero-card-link:hover{color:var(--brand);}
.trust-strip{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:34px;padding-top:22px;border-top:1px solid #d9e7e1;font-size:13.5px;color:#4c6159;}
.trust-strip span{display:inline-flex;align-items:center;gap:8px;}
.trust-strip span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-light);box-shadow:0 0 0 4px rgba(31,160,127,.14);}
/* 数据看板 */
.stats-band{background:linear-gradient(150deg,#0d2f28 0%,#13463b 62%,#175545 100%);color:#e6f2ee;}
.stats-band .section-head{margin-bottom:28px;}
.stats-band .row{display:flex;flex-wrap:wrap;margin:0 -11px;max-width:none;}
.stats-band .columns{float:none;padding:0 11px;margin-bottom:18px;}
.stat-cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:20px 22px;height:100%;transition:transform .2s ease,background .2s ease,border-color .2s ease;}
.stat-cell:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(127,215,189,.42);}
.stat-num{font-size:30px;font-weight:800;line-height:1.15;color:#7fd7bd;letter-spacing:.5px;}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;margin-left:5px;color:#b9d6cd;}
.stat-label{margin-top:8px;font-size:14.5px;font-weight:600;color:#fff;}
.stat-note{margin-top:5px;font-size:13px;line-height:1.65;color:#a6c8bd;}
/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-grid--two{grid-template-columns:repeat(2,1fr);}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9dfd6;}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.045);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;line-height:1.45;}
.card-text{font-size:14.5px;line-height:1.78;color:#4a5f58;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
/* 局规速查 */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.rule-item{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rule-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9dfd6;}
.rule-no{flex:0 0 38px;height:38px;border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:15px;}
.rule-item h3{font-size:16.5px;margin-bottom:6px;}
.rule-item p{font-size:14.5px;line-height:1.78;color:#4a5f58;}
/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-list{margin-top:24px;}
.split-list li{position:relative;padding-left:20px;margin-bottom:14px;font-size:15px;line-height:1.8;color:#40544d;}
.split-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-light);}
.split-list strong{color:var(--ink);}
/* 检查清单深色区 */
.check-band{position:relative;overflow:hidden;background:linear-gradient(150deg,#0d2f28 0%,#14483c 60%,#175545 100%);color:#e6f2ee;}
.check-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.16;}
.check-band .container{position:relative;z-index:2;}
.check-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center;}
.check-band h2{color:#fff;}
.check-band .section-desc{color:#b9d6cd;}
.check-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.check-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);padding:16px 18px;transition:transform .2s ease,background .2s ease,border-color .2s ease;}
.check-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.12);border-color:rgba(127,215,189,.45);}
.check-card h3{font-size:15px;color:#fff;margin-bottom:6px;}
.check-card p{font-size:13.5px;line-height:1.7;color:#b3cfc6;}
/* 场景匹配 */
.scene-row{display:flex;flex-wrap:wrap;margin:0 -12px;max-width:none;}
.scene-row .columns{float:none;padding:0 12px;margin-bottom:24px;}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;height:100%;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c9dfd6;}
.scene-icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:#8a6112;display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px;}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{font-size:14.5px;line-height:1.78;color:#4a5f58;}
/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:#c9dfd6;box-shadow:var(--shadow-md);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:700;font-size:15.5px;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:44px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);font-weight:600;flex:0 0 auto;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-body{padding:0 0 20px;font-size:14.8px;line-height:1.82;color:#4a5f58;}
/* 转化表单 */
.cta-panel{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:42px;box-shadow:var(--shadow-lg);}
.cta-panel h2{font-size:26px;}
.cta-points{margin-top:22px;}
.cta-points li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;line-height:1.75;color:#42564f;}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border-radius:3px;background:var(--brand-light);}
.cta-contact{margin-top:24px;padding-top:20px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.9;}
.cta-contact strong{color:var(--brand-dark);font-size:16px;letter-spacing:.5px;}
.field{margin-bottom:15px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.field input,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fbfdfc;color:var(--text);min-height:46px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.field input::placeholder{color:#9aaba5;}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(22,120,95,.14);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-note{margin-top:12px;font-size:12.8px;line-height:1.7;color:var(--muted);}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:10px;background:var(--brand-soft);border:1px solid #cbe2d8;color:var(--brand-dark);font-size:14px;font-weight:600;}
.form-msg.is-show{display:block;}
/* 页脚 */
.site-footer{background:#0d2f28;color:#c6dcd4;padding:58px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:42px;}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:#8fb6a9;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.82;color:#a8c4ba;max-width:430px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:1px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:#a8c4ba;display:inline-block;padding:3px 0;}
.footer-col a:hover{color:#7fd7bd;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;padding-bottom:26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8fb6a9;}
/* 响应式 */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:32px;}
 .hero-copy h1{font-size:34px;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .split,.check-grid,.cta-panel{grid-template-columns:1fr;gap:32px;}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
 .section{padding:62px 0;}
}
@media (max-width:900px){
 .nav-toggle{display:flex;}
 .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:10px 16px 18px;border-radius:0 0 14px 14px;}
 .nav-links.is-open{display:flex;}
 .nav-link{padding:13px 14px;border-radius:10px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-brand{grid-column:1/-1;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .section{padding:52px 0;}
 .section-title{font-size:24px;}
 .hero-copy h1{font-size:29px;}
 .hero-lead{font-size:15px;}
 .card-grid,.card-grid--two,.rule-grid,.check-cards{grid-template-columns:1fr;}
 .cta-panel{padding:28px 22px;}
 .cta-panel h2{font-size:22px;}
 .field-row{grid-template-columns:1fr;}
 .stat-num{font-size:26px;}
 .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
 .nav-actions .btn-sm{display:none;}
 .hero-copy h1{font-size:25px;}
 .hero-actions .btn{width:100%;}
 .section-title{font-size:22px;}
 .brand-text small{display:none;}
 .trust-strip{gap:10px 18px;font-size:13px;}
}

/* roulang page: category2 */
:root{
 --brand:#16785f;
 --brand-dark:#0f5c49;
 --brand-light:#1fa07f;
 --brand-soft:#eaf4f0;
 --accent:#d99a2b;
 --accent-dark:#c0871f;
 --accent-soft:#fdf3e0;
 --ink:#0f241f;
 --text:#22332e;
 --muted:#6b7d78;
 --bg:#f5f7f4;
 --surface:#ffffff;
 --line:#e3e9e5;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 8px rgba(15,36,31,.05);
 --shadow-md:0 12px 30px rgba(15,36,31,.10);
 --shadow-lg:0 20px 48px rgba(15,36,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,160,127,.42);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.section--plain{background:var(--surface);}
.section--soft{background:var(--bg);}
.section--dark{background:linear-gradient(160deg,#0d2f28 0%,#12453a 60%,#16503f 100%);color:#e6f2ee;}
.section-head{max-width:800px;margin-bottom:36px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;font-weight:700;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section--dark .section-kicker{color:#7fd7bd;}
.section--dark .section-kicker::before{background:#7fd7bd;}
.section-title{font-size:29px;line-height:1.36;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.section--dark .section-title{color:#ffffff;}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;}
.section--dark .section-desc{color:#b9d6cd;}
/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,36,31,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(22,120,95,.28);flex:0 0 auto;}
.brand-text strong{display:block;font-size:17px;line-height:1.25;color:var(--ink);letter-spacing:.5px;}
.brand-text small{display:block;font-size:11px;letter-spacing:1.6px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;color:var(--text);transition:background .2s ease,color .2s ease;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;min-height:44px;text-align:center;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,120,95,.25);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,120,95,.32);color:#fff;}
.btn-accent{background:var(--accent);color:#3b2703;box-shadow:0 8px 20px rgba(217,154,43,.3);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);color:#3b2703;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;min-height:40px;}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:11px;min-height:52px;}
.btn-block{width:100%;}
/* 分类页首屏 */
.cat-hero{position:relative;padding:60px 0 74px;background:linear-gradient(150deg,#0b2a24 0%,#12443a 58%,#17564a 100%);color:#fff;overflow:hidden;}
.cat-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.17;}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(820px 400px at 84% 6%,rgba(217,154,43,.24),transparent 62%),radial-gradient(680px 360px at 6% 96%,rgba(31,160,127,.26),transparent 64%);}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.breadcrumb{font-size:13px;color:#a9cfc4;letter-spacing:.4px;}
.breadcrumb b{color:#7fd7bd;font-weight:600;}
.cat-hero h1{margin-top:16px;font-size:37px;line-height:1.34;font-weight:800;letter-spacing:.5px;color:#fff;}
.cat-hero-lead{margin-top:16px;font-size:16px;line-height:1.85;color:#cfe4dd;max-width:610px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);font-size:13px;color:#d7ece5;letter-spacing:.4px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:16px;backdrop-filter:blur(6px);box-shadow:0 20px 44px rgba(0,0,0,.22);}
.hero-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;}
.panel-list{margin-top:14px;display:grid;gap:0;}
.panel-item{display:flex;align-items:baseline;justify-content:space-between;gap:14px;font-size:13.8px;color:#cfe4dd;padding:10px 2px;border-bottom:1px dashed rgba(255,255,255,.18);}
.panel-item:last-child{border-bottom:0;padding-bottom:2px;}
.panel-item b{color:#fff;font-weight:700;white-space:nowrap;}
/* 指标看板 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe3da;}
.metric strong{display:block;font-size:30px;line-height:1.2;font-weight:800;color:var(--brand);letter-spacing:.5px;}
.metric span{display:block;margin-top:8px;font-size:13.8px;color:var(--muted);}
/* 设施卡片 */
.facility-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.f-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3da;}
.f-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.f-body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.f-body h3{font-size:17.5px;font-weight:700;}
.f-body p{font-size:14.5px;color:var(--muted);}
.f-tag{margin-top:auto;display:inline-flex;align-self:flex-start;padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:600;letter-spacing:.3px;}
/* 对比 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.compare-card h3{font-size:18px;display:flex;align-items:center;gap:10px;}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;}
.dot--go{background:var(--brand-light);box-shadow:0 0 0 4px rgba(31,160,127,.16);}
.dot--no{background:#c8683f;box-shadow:0 0 0 4px rgba(200,104,63,.14);}
.compare-card ul{margin-top:16px;display:grid;gap:11px;}
.compare-card li{position:relative;padding-left:20px;font-size:14.8px;color:var(--text);}
.compare-card li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand-light);transform:rotate(45deg);}
.compare-card--no li::before{background:#c8683f;}
.compare-card--no{border-color:#f0ddd2;background:linear-gradient(180deg,#fffdfb,#fff);}
/* 场景 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3da;}
.scene-card h3{font-size:17.5px;display:flex;align-items:center;gap:10px;}
.scene-card h3 .num{width:30px;height:30px;border-radius:9px;background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:800;display:grid;place-items:center;flex:0 0 auto;}
.scene-card p{margin-top:10px;font-size:14.8px;color:var(--muted);}
.scene-card .need{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.need span{font-size:12.5px;padding:5px 11px;border-radius:999px;background:var(--accent-soft);color:#8a6014;font-weight:600;}
/* 时间线 */
.timeline{display:grid;gap:16px;}
.tl-item{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:20px 22px;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.tl-item:hover{background:rgba(255,255,255,.1);border-color:rgba(127,215,189,.42);transform:translateY(-2px);}
.tl-num{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(127,215,189,.18);color:#7fd7bd;font-weight:800;font-size:15px;}
.tl-item h3{color:#fff;font-size:17px;font-weight:700;}
.tl-item p{margin-top:6px;font-size:14.6px;color:#b9d6cd;}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 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:#cfe3da;}
.news-tag{align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);padding:4px 11px;border-radius:999px;}
.news-card h3{font-size:16.5px;line-height:1.55;}
.news-card p{font-size:14.3px;color:var(--muted);}
.news-date{margin-top:auto;font-size:12.8px;color:#93a49f;letter-spacing:.4px;}
.empty-note{padding:26px;text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);}
/* 保障 */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.guard:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe3da;}
.guard .glyph{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;margin-bottom:14px;font-weight:800;font-size:17px;}
.guard h3{font-size:16.5px;}
.guard p{margin-top:8px;font-size:14.3px;color:var(--muted);}
/* FAQ */
.faq{display:grid;gap:12px;max-width:960px;}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 20px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;}
.faq details:hover{border-color:#cfe3da;box-shadow:var(--shadow-md);}
.faq summary{list-style:none;cursor:pointer;padding:17px 0;font-weight:700;font-size:16px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand);font-weight:700;transition:transform .2s ease;}
.faq details[open] summary::after{content:"−";}
.faq .faq-body{padding:0 0 18px;color:var(--muted);font-size:14.8px;}
/* 转化区 */
.cta-wrap{position:relative;overflow:hidden;background:linear-gradient(150deg,#0d2f28 0%,#134439 55%,#17564a 100%);color:#fff;padding:68px 0;}
.cta-wrap::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-6.webp') center/cover no-repeat;opacity:.13;}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start;}
.cta-copy h2{color:#fff;font-size:28px;line-height:1.4;font-weight:800;}
.cta-copy p{margin-top:14px;color:#c3ded5;font-size:15.4px;}
.cta-points{margin-top:22px;display:grid;gap:11px;}
.cta-points li{position:relative;padding-left:24px;color:#d8ece5;font-size:14.8px;}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:11px;border-radius:50%;border:2px solid #7fd7bd;}
.form-card{background:rgba(255,255,255,.97);border-radius:16px;padding:26px 26px 22px;box-shadow:var(--shadow-lg);}
.form-card h3{font-size:18px;margin-bottom:16px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;height:auto;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);margin:0;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,160,127,.16);outline:none;}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7;}
/* 页脚 */
.site-footer{background:#0d231e;color:#c3d6d0;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;padding-bottom:38px;}
.footer-brand p{margin-top:14px;font-size:14.3px;color:#9db8b1;max-width:420px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text small{color:#8fa9a2;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.3px;color:#a9c2bb;transition:color .2s ease;}
.footer-col a:hover{color:#7fd7bd;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;}
.footer-bottom p{font-size:13px;color:#8fa9a2;}
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:34px;}
 .cat-hero h1{font-size:32px;}
 .metrics{grid-template-columns:repeat(2,1fr);}
 .facility-grid{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .guard-grid{grid-template-columns:repeat(2,1fr);}
 .cta-grid{grid-template-columns:1fr;gap:32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
 .nav-toggle{display:flex;}
 .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:2px;background:#fff;padding:12px 18px 18px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(15,36,31,.12);}
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;}
}
@media (max-width:768px){
 .section{padding:54px 0;}
 .section--tight{padding:44px 0;}
 .section-title{font-size:24px;}
 .cat-hero{padding:44px 0 56px;}
 .cat-hero h1{font-size:27px;}
 .cat-hero-lead{font-size:15px;}
 .facility-grid,.scene-grid,.compare-grid,.news-grid,.guard-grid{grid-template-columns:1fr;}
 .metrics{grid-template-columns:1fr 1fr;gap:14px;}
 .metric strong{font-size:25px;}
 .form-row{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .hero-actions .btn{flex:1 1 100%;}
 .tl-item{grid-template-columns:1fr;gap:12px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .cat-hero h1{font-size:23.5px;}
 .section-title{font-size:21.5px;}
 .section-desc{font-size:14.6px;}
 .metrics{grid-template-columns:1fr;}
 .brand-text strong{font-size:15.5px;}
 .brand-text small{font-size:10px;letter-spacing:1.1px;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .btn{width:100%;}
 .hero-panel{padding:12px;}
}

/* roulang page: category3 */
:root{
 --brand:#16785f;
 --brand-dark:#0f5c49;
 --brand-light:#1fa07f;
 --brand-soft:#eaf4f0;
 --accent:#d99a2b;
 --accent-dark:#c0871f;
 --accent-soft:#fdf3e0;
 --ink:#0f241f;
 --text:#22332e;
 --muted:#6b7d78;
 --bg:#f5f7f4;
 --surface:#ffffff;
 --line:#e3e9e5;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 8px rgba(15,36,31,.05);
 --shadow-md:0 12px 30px rgba(15,36,31,.10);
 --shadow-lg:0 20px 48px rgba(15,36,31,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.section--plain{background:var(--surface);}
.section--soft{background:var(--bg);}
.section--dark{background:linear-gradient(160deg,#0d2f28 0%,#12453a 60%,#16503f 100%);color:#e6f2ee;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;font-weight:600;color:var(--brand);text-transform:uppercase;margin-bottom:12px;}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);display:inline-block;}
.section--dark .section-kicker{color:#7fd7bd;}
.section--dark .section-kicker::before{background:#7fd7bd;}
.section-title{font-size:30px;line-height:1.35;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.section--dark .section-title{color:#ffffff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section--dark .section-desc{color:#b9d6cd;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,36,31,.09);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--brand-light),var(--brand-dark));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:0 6px 16px rgba(22,120,95,.28);flex:0 0 auto;}
.brand-text strong{display:block;font-size:17px;line-height:1.25;color:var(--ink);letter-spacing:.5px;}
.brand-text small{display:block;font-size:11px;letter-spacing:1.6px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{padding:9px 15px;border-radius:9px;font-size:15px;font-weight:500;color:var(--text);transition:background .2s ease,color .2s ease;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;min-height:44px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(22,120,95,.25);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,120,95,.32);color:#fff;}
.btn-accent{background:var(--accent);color:#3b2703;box-shadow:0 8px 20px rgba(217,154,43,.3);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);color:#3b2703;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;min-height:40px;}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:11px;min-height:52px;}
.btn-block{width:100%;}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;background:#fff;color:var(--brand-dark);border:1px solid var(--line);}
.tag--soft{background:var(--brand-soft);border-color:transparent;color:var(--brand-dark);}
.tag--accent{background:var(--accent-soft);border-color:transparent;color:#8a5f0d;}

/* Hero */
.hero{position:relative;padding:72px 0 82px;background:linear-gradient(180deg,#0b2a24 0%,#124439 55%,#175545 100%);color:#fff;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.18;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(880px 420px at 82% 6%,rgba(217,154,43,.22),transparent 62%),radial-gradient(700px 380px at 6% 94%,rgba(31,160,127,.26),transparent 64%);}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:13px;letter-spacing:1.4px;color:#c8e8de;}
.hero h1{margin-top:20px;font-size:38px;line-height:1.34;font-weight:800;letter-spacing:.4px;color:#fff;}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:#cfe4dd;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags .tag{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#dff0ea;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* Hero 预约面板 */
.panel{background:rgba(255,255,255,.97);border-radius:16px;box-shadow:var(--shadow-lg);color:var(--text);overflow:hidden;border:1px solid rgba(255,255,255,.5);}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#ffffff,#f7faf8);}
.panel-head strong{font-size:15.5px;color:var(--ink);font-weight:800;letter-spacing:.3px;}
.panel-dot{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--brand-dark);font-weight:600;}
.panel-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-light);box-shadow:0 0 0 4px rgba(31,160,127,.16);}
.panel-list{padding:8px 12px;}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 10px;border-radius:10px;transition:background .2s ease;}
.panel-row:hover{background:var(--brand-soft);}
.panel-row .pr-time{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.4;}
.panel-row .pr-time small{display:block;font-size:12.5px;font-weight:500;color:var(--muted);letter-spacing:.4px;}
.panel-row .pr-tag{font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);white-space:nowrap;}
.panel-row .pr-tag.is-warn{background:var(--accent-soft);color:#8a5f0d;}
.panel-foot{padding:16px 22px 20px;border-top:1px solid var(--line);}
.panel-foot p{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.65;}

/* 指标看板 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3db;}
.metric .m-num{font-size:30px;font-weight:800;color:var(--brand-dark);line-height:1.2;letter-spacing:.5px;}
.metric .m-num span{font-size:15px;font-weight:700;margin-left:4px;color:var(--brand);}
.metric .m-label{margin-top:6px;font-size:15px;font-weight:700;color:var(--ink);}
.metric .m-desc{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* 卡片网格 */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;align-items:start;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3db;}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.card-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:16px;letter-spacing:.5px;}

/* 对比 */
.compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.compare table{width:100%;border-collapse:collapse;margin:0;}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:14.8px;border-bottom:1px solid var(--line);vertical-align:top;}
.compare thead th{background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:15px;letter-spacing:.3px;}
.compare tbody tr:last-child td{border-bottom:none;}
.compare tbody tr:hover{background:#fafcfb;}
.compare td:first-child{font-weight:700;color:var(--ink);width:26%;}
.compare .yes{color:var(--brand-dark);font-weight:700;}
.compare .no{color:#9a6a12;font-weight:700;}

/* 流程时间线 */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.tl-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:24px 20px;transition:transform .2s ease,background .2s ease,border-color .2s ease;}
.tl-item:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(127,215,189,.5);}
.tl-num{width:34px;height:34px;border-radius:10px;background:#7fd7bd;color:#0d2f28;display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px;}
.tl-item h3{font-size:16px;font-weight:800;color:#fff;line-height:1.45;}
.tl-item p{margin-top:8px;font-size:13.8px;color:#b9d6cd;line-height:1.75;}

/* 资讯列表 */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3db;}
.post-card .pc-cover{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.post-card .pc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .pc-cover img{transform:scale(1.04);}
.post-card .pc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .pc-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.post-card .pc-meta .pc-cat{padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-weight:700;}
.post-card h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.5;}
.post-card h3 a:hover{color:var(--brand-dark);}
.post-card p{font-size:14px;color:var(--muted);line-height:1.72;}
.post-empty{grid-column:1 / -1;background:var(--surface);border:1px dashed #cfdcd6;border-radius:var(--radius);padding:44px 24px;text-align:center;color:var(--muted);font-size:15px;}

/* 保障 */
.guard{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.guard-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.guard-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe3db;}
.guard-item h3{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink);}
.guard-item h3 i{width:6px;height:20px;border-radius:3px;background:var(--accent);display:inline-block;font-style:normal;}
.guard-item p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.78;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#c8e0d7;box-shadow:var(--shadow-md);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .2s ease,background .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;flex:0 0 auto;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand-dark);background:#fafcfb;}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.82;}

/* 表单 */
.form-wrap{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-md);padding:34px;display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start;}
.form-intro h2{font-size:26px;font-weight:800;color:var(--ink);line-height:1.4;}
.form-intro p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.8;}
.form-intro ul{margin-top:20px;display:grid;gap:10px;}
.form-intro li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text);line-height:1.7;}
.form-intro li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--brand-light);box-shadow:0 0 0 3px rgba(31,160,127,.14);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fbfdfc;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-light);background:#fff;box-shadow:0 0 0 4px rgba(31,160,127,.13);}
.field textarea{min-height:96px;resize:vertical;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-tip{margin-top:12px;font-size:13.5px;color:var(--brand-dark);font-weight:600;opacity:0;transform:translateY(-4px);transition:opacity .25s ease,transform .25s ease;}
.form-tip.is-on{opacity:1;transform:none;}

/* 页脚 */
.site-footer{background:#0d2a24;color:#c3d8d1;padding-top:56px;margin-top:0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:#8fae a6;color:#8faea6;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#9fbcb4;max-width:380px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#a6c2ba;transition:color .2s ease;}
.footer-col a:hover{color:#7fd7bd;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#87a49c;}
.footer-bottom p{margin:0;}

/* 响应式 */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:36px;}
 .hero h1{font-size:32px;}
 .metrics{grid-template-columns:repeat(2,1fr);}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .post-list{grid-template-columns:repeat(2,1fr);}
 .timeline{grid-template-columns:repeat(3,1fr);}
 .guard{grid-template-columns:repeat(2,1fr);}
 .form-wrap{grid-template-columns:1fr;padding:28px;gap:26px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
 .nav-links{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 16px 32px rgba(15,36,31,.12);flex-direction:column;align-items:stretch;padding:12px;gap:6px;display:none;}
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15.5px;border-radius:10px;}
 .nav-toggle{display:flex;}
 .nav-actions .btn-sm{display:none;}
 .section{padding:58px 0;}
 .section--tight{padding:44px 0;}
 .section-title{font-size:25px;}
 .grid-2{grid-template-columns:1fr;}
}
@media (max-width:640px){
 .container{padding:0 18px;}
 .hero{padding:52px 0 62px;}
 .hero h1{font-size:26px;line-height:1.42;}
 .hero-lead{font-size:15px;}
 .hero-actions .btn{width:100%;}
 .metrics{grid-template-columns:1fr;}
 .grid-4,.grid-3,.post-list,.guard,.timeline{grid-template-columns:1fr;}
 .compare th,.compare td{padding:13px 14px;font-size:14px;}
 .compare td:first-child{width:38%;}
 .footer-grid{grid-template-columns:1fr;}
 .form-wrap{padding:22px;}
 .field-row{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;}
 .brand-text small{letter-spacing:1px;}
}