:root{
  --bg:#f7f7f3;
  --surface:#fffefb;
  --surface-2:#f0f2f7;
  --ink:#101828;
  --muted:#667085;
  --line:#d9dde6;
  --accent:#2d5bff;
  --accent-2:#0f172a;
  --accent-soft:#e9efff;
  --success:#027a48;
  --danger:#b42318;
  --max:1160px;
  --radius:24px;
  --shadow:0 20px 55px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img,svg{display:block;max-width:100%}
.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.skip-link{position:fixed;left:16px;top:12px;z-index:999;transform:translateY(-160%);background:#fff;color:#111827;border:1px solid var(--line);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}
.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,243,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(217,221,230,.85)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:780;letter-spacing:-.025em;white-space:nowrap}
.brand-mark{width:27px;height:27px;position:relative;flex:none}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;left:1px;right:1px;height:7px;border-radius:999px;transform:skewX(-28deg)}
.brand-mark::before{top:5px;background:var(--ink)}
.brand-mark::after{bottom:5px;background:var(--accent)}
.nav-center{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:28px;color:#475467;font-size:14px;font-weight:620;white-space:nowrap}
.nav-center a{flex:0 0 auto;white-space:nowrap}
.brand,.nav-actions{position:relative;z-index:1;flex:0 0 auto}
.nav-center a:hover,.footer-links a:hover,.text-link:hover{color:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-link{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:9px 12px;font-size:13px;color:#344054}
.nav-quote{background:var(--ink);color:#fff;border-radius:999px;padding:10px 15px;font-size:14px;font-weight:700}
.menu-btn{display:none;border:1px solid var(--line);background:var(--surface);width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center}
.menu-btn span,.menu-btn::before,.menu-btn::after{content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.menu-btn span{margin:4px 0}
.mobile-nav{display:none;padding:0 0 18px;border-top:1px solid var(--line)}
.mobile-nav a{display:block;padding:13px 0;color:#344054;font-weight:620}
.mobile-nav .mobile-actions{display:flex;gap:10px;padding-top:8px}
.mobile-nav .mobile-actions a{display:inline-flex;padding:10px 13px;border-radius:999px;border:1px solid var(--line)}
.mobile-nav .mobile-actions a:last-child{background:var(--ink);color:#fff;border-color:var(--ink)}

.hero{padding:86px 0 68px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);gap:72px;align-items:center}
.hero h1{font-size:clamp(44px,5vw,64px);line-height:1.04;letter-spacing:-.048em;margin:0;font-weight:790;max-width:780px;text-wrap:balance}
.page-hero h1{font-size:clamp(36px,4.2vw,52px);line-height:1.08;letter-spacing:-.042em;margin:0;font-weight:780;max-width:860px;text-wrap:balance}
.hero .lead,.page-hero .lead{font-size:19px;line-height:1.7;color:#475467;max-width:760px;margin:26px 0 0}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:30px}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:13px 18px;border-radius:999px;font-weight:720;border:1px solid var(--accent)}
.btn-primary:hover{filter:brightness(.96)}
.text-link{display:inline-flex;align-items:center;gap:7px;color:#344054;font-weight:650}
.hero-visual{position:relative;min-height:360px;border-radius:34px;background:var(--accent-2);overflow:hidden;box-shadow:var(--shadow);isolation:isolate}
.hero-visual::before{content:"";position:absolute;width:330px;height:330px;border-radius:50%;background:rgba(45,91,255,.42);right:-120px;bottom:-150px;filter:blur(2px)}
.hero-visual::after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.14);border-radius:50%;right:28px;top:22px}
.lane{position:absolute;left:34px;right:34px;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.1),rgba(255,255,255,.55),rgba(255,255,255,.12));transform:skewY(-7deg)}
.lane.l1{top:110px}.lane.l2{top:180px}.lane.l3{top:250px}
.node{position:absolute;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 6px rgba(255,255,255,.09)}
.node.n1{left:17%;top:113px}.node.n2{left:53%;top:164px;background:#86a0ff}.node.n3{right:15%;top:236px}
.visual-label{position:absolute;left:34px;bottom:30px;color:#d8e0f2;font-size:13px;letter-spacing:.02em;max-width:220px;line-height:1.5}
.visual-corner{position:absolute;right:28px;top:26px;color:#91a2bf;font-size:12px;letter-spacing:.12em;text-transform:uppercase}

.section{padding:82px 0;border-top:1px solid var(--line)}
.section-tight{padding:64px 0}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:34px}
.section-head h2,.content-title{font-size:clamp(30px,3.5vw,42px);line-height:1.1;letter-spacing:-.04em;margin:0;font-weight:760}
.section-head p{margin:0;max-width:560px;color:var(--muted);line-height:1.65}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:246px;display:flex;flex-direction:column}
.service-card .index{color:var(--accent);font-size:12px;letter-spacing:.12em;font-weight:800}
.service-card h3{font-size:23px;line-height:1.18;letter-spacing:-.03em;margin:20px 0 12px}
.service-card p{font-size:15px;line-height:1.7;color:var(--muted);margin:0 0 22px}
.service-card .text-link{margin-top:auto;font-size:14px}
.coverage{background:var(--surface);border:1px solid var(--line);border-radius:30px;padding:30px}
.coverage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.coverage-group h3{font-size:14px;margin:0 0 13px;color:#475467}
.provider-list{display:flex;flex-wrap:wrap;gap:8px}
.provider{display:inline-flex;border:1px solid #d8dce5;border-radius:999px;background:#fff;padding:8px 11px;font-size:13px;color:#344054}
.coverage-note{margin:24px 0 0;color:var(--muted);font-size:14px}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:58px;align-items:start}
.faq-copy{position:sticky;top:108px}
.faq-copy h2{font-size:clamp(30px,3.5vw,42px);line-height:1.1;letter-spacing:-.04em;margin:0}
.faq-copy p{color:var(--muted);line-height:1.7;margin:18px 0 0;max-width:380px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:22px 0;font-size:17px;font-weight:690;display:flex;justify-content:space-between;gap:18px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;font-weight:400;color:#667085;line-height:1}
details[open] summary::after{content:"−"}
.answer{color:var(--muted);line-height:1.72;padding:0 38px 22px 0;font-size:15px}

.page-hero{padding:64px 0 44px}
.page-hero-compact{padding-bottom:18px}
.service-content{max-width:860px;padding-bottom:80px}
.prose-section{padding:54px 0;border-top:1px solid var(--line)}
.prose-section:first-child{border-top:0;padding-top:0}
.prose-section h2{font-size:26px;line-height:1.2;letter-spacing:-.03em;margin:0 0 16px}
.prose-section p{font-size:16px;line-height:1.75;color:#475467;max-width:760px}
.clean-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.clean-list li{position:relative;padding-left:20px;color:#475467;line-height:1.65}
.clean-list li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.side-note{position:sticky;top:110px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px}
.side-note h2{margin:0 0 14px;font-size:18px}
.side-note p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.65}
.route-pair{display:grid;grid-template-columns:1fr 72px 1fr;gap:14px;align-items:center;margin:26px 0}
.route-box{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;min-height:150px}
.route-box small{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
.route-box strong{font-size:19px;line-height:1.35;display:block}
.route-arrow{height:1px;background:#98a2b3;position:relative}
.route-arrow::after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;border-top:1px solid #98a2b3;border-right:1px solid #98a2b3;transform:rotate(45deg)}

.form-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:56px;align-items:start;padding:24px 0 84px}
.quote-form{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
label{font-size:14px;font-weight:680;color:#344054}
.req{color:var(--danger)}
input,select,textarea{width:100%;border:1px solid #cfd5df;background:#fff;color:var(--ink);border-radius:12px;padding:12px 13px;outline:none;transition:border .15s,box-shadow .15s}
textarea{min-height:150px;resize:vertical;line-height:1.55}
input:focus,select:focus,textarea:focus{border-color:#8ea8ff;box-shadow:0 0 0 4px rgba(45,91,255,.1)}
.help{font-size:12.5px;line-height:1.55;color:var(--muted)}
.check{display:flex;gap:11px;align-items:flex-start;margin-top:2px}
.check input{width:18px;height:18px;margin-top:2px;flex:none}
.form-note{background:var(--surface-2);border-radius:18px;padding:18px;color:#475467;font-size:14px;line-height:1.65;margin-bottom:20px}
.form-status{display:none;margin-top:16px;border-radius:12px;padding:12px 14px;font-size:14px;line-height:1.5}
.form-status.show{display:block}
.form-status.success{background:#ecfdf3;color:var(--success)}
.form-status.error{background:#fef3f2;color:var(--danger)}
.submit-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px}
.submit-btn{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:13px 18px;font-weight:720}
.submit-btn[disabled]{opacity:.6;cursor:not-allowed}
.hp{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(1px,1px,1px,1px)!important;white-space:nowrap!important}

.privacy{max-width:780px;padding-bottom:82px}
.privacy h2{font-size:25px;margin:38px 0 12px;letter-spacing:-.025em}
.privacy p,.privacy li{color:#475467;line-height:1.75}

.site-footer{border-top:1px solid var(--line);padding:30px 0 38px;color:#667085;font-size:13px}
.footer-row{display:flex;justify-content:space-between;gap:24px;align-items:center}
.footer-utility{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:flex-end}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-email{color:#475467}
.footer-email:hover{color:var(--accent)}
.footer-brand{display:flex;align-items:center;gap:9px;color:#344054;font-weight:700}

.admin-body{background:#f5f7fa}
.admin-warning{margin:0 0 18px;padding:12px 14px;border:1px solid #fedf89;border-radius:12px;background:#fffaeb;color:#7a2e0e;font-size:13px;line-height:1.55}
.admin-shell{width:min(1120px,calc(100% - 36px));margin:0 auto;padding:34px 0 60px}
.admin-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}
.admin-head h1{margin:0;font-size:32px;letter-spacing:-.03em}
.admin-head p{margin:8px 0 0;color:var(--muted)}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.admin-table-wrap{overflow:auto}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th,.admin-table td{text-align:left;padding:14px 16px;border-bottom:1px solid #eaecf0;vertical-align:top}
.admin-table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#667085;background:#fafafa}
.admin-table tr:last-child td{border-bottom:0}
.admin-table a{color:var(--accent);font-weight:650}
.detail-grid{display:grid;grid-template-columns:200px 1fr;gap:0}
.detail-grid dt,.detail-grid dd{margin:0;padding:13px 16px;border-bottom:1px solid #eaecf0}
.detail-grid dt{background:#fafafa;color:#667085;font-size:13px;font-weight:700}
.detail-grid dd{white-space:pre-wrap;overflow-wrap:anywhere}
.admin-empty{padding:30px;color:var(--muted)}

:focus-visible{outline:3px solid rgba(45,91,255,.35);outline-offset:3px}
@media(max-width:1080px){
  .nav-center{display:none}.menu-btn{display:flex}.nav-actions .lang-link,.nav-actions .nav-quote{display:none}
  .mobile-nav.open{display:block}
  .hero{padding-top:62px}.hero-grid,.form-shell,.faq-layout{grid-template-columns:1fr;gap:34px}
  .service-grid{grid-template-columns:1fr}.coverage-grid{grid-template-columns:1fr 1fr}
  .faq-copy,.side-note{position:static}
  .hero-visual{min-height:320px}
  .page-hero{padding-top:62px}
}
@media(max-width:620px){
  .wrap{width:min(var(--max),calc(100% - 28px))}.nav{min-height:66px}.brand{font-size:18px}
  .hero{padding:48px 0 48px}.hero h1{font-size:40px;line-height:1.08}.page-hero h1{font-size:36px;line-height:1.12}.hero .lead,.page-hero .lead{font-size:17px;line-height:1.65;margin-top:20px}
  .hero-grid{gap:30px}.hero-visual{min-height:270px;border-radius:26px}.lane{left:24px;right:24px}.visual-label{left:24px;bottom:22px}.visual-corner{right:22px;top:22px}
  .section{padding:60px 0}.section-head{display:block;margin-bottom:26px}.section-head p{margin-top:14px}.section-head h2,.content-title,.faq-copy h2{font-size:34px}
  .service-card{min-height:0;padding:23px}.coverage{padding:22px;border-radius:24px}.coverage-grid{grid-template-columns:1fr;gap:18px}.coverage-group{border-bottom:1px solid #eaecf0;padding-bottom:17px}.coverage-group:last-child{border-bottom:0;padding-bottom:0}
  summary{font-size:16px;padding:20px 0}.answer{padding-right:20px;font-size:14.5px}
  .route-pair{grid-template-columns:1fr;gap:10px}.route-arrow{width:1px;height:34px;margin:0 auto}.route-arrow::after{right:-4px;top:auto;bottom:0;transform:rotate(135deg)}
  .quote-form{padding:22px;border-radius:22px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.submit-row{align-items:flex-start;flex-direction:column}
  .footer-row{align-items:flex-start;flex-direction:column}.footer-utility{align-items:flex-start;justify-content:flex-start;gap:12px 18px}.footer-links{gap:14px 18px}
  .detail-grid{grid-template-columns:1fr}.detail-grid dt{border-bottom:0;padding-bottom:4px}.detail-grid dd{padding-top:4px}.admin-head{align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

.cf-turnstile{min-height:65px}
.menu-btn{flex-direction:column}

html[lang="zh-CN"] .hero h1{font-size:clamp(42px,4.5vw,58px);line-height:1.13;letter-spacing:-.035em}
html[lang="zh-CN"] .page-hero h1{font-size:clamp(32px,3.6vw,44px);line-height:1.17;letter-spacing:-.025em}
html[lang="zh-CN"] .section-head h2,html[lang="zh-CN"] .faq-copy h2{letter-spacing:-.025em}
@media(max-width:620px){html[lang="zh-CN"] .hero h1{font-size:38px;line-height:1.16}html[lang="zh-CN"] .page-hero h1{font-size:32px;line-height:1.2}.service-content{padding-bottom:64px}}

.lang-placeholder{visibility:hidden;pointer-events:none;user-select:none}