:root {
  --ink: #10243f;
  --ink-2: #17365d;
  --red: #d7352a;
  --red-dark: #aa201b;
  --gold: #d99a2b;
  --paper: #f7f8fa;
  --white: #ffffff;
  --text: #1c2736;
  --muted: #617083;
  --line: #dfe5ec;
  --green: #16794b;
  --shadow: 0 18px 48px rgba(16, 36, 63, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 10px 16px; background: #fff; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.topline { background: var(--ink); color: #dce7f5; font-size: 14px; }
.topline-inner { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topline .verified { color: #fff; font-weight: 700; }
.topline i { color: #5ed39a; margin-right: 7px; }
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark { width: 43px; height: 43px; display: grid; place-items: center; background: var(--red); color: #fff; border-radius: 11px 11px 11px 3px; font-size: 22px; font-weight: 900; box-shadow: inset 0 0 0 2px rgba(255,255,255,.18); }
.brand-copy strong { display: block; color: var(--ink); font-size: 19px; line-height: 1.2; letter-spacing: .02em; }
.brand-copy span { display: block; color: var(--muted); font-size: 11px; letter-spacing: .16em; margin-top: 4px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 26px; font-weight: 700; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--red); }
.header-phone { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; }
.header-phone i { color: var(--red); }
.menu-btn { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 10px; color: var(--ink); }

.hero { position: relative; overflow: hidden; padding: 74px 0 68px; color: #fff; background: linear-gradient(118deg, var(--ink) 0%, #173c68 64%, #214e7b 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.26) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.26) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg, #000, transparent 78%); }
.hero::after { content: "精"; position: absolute; right: 6vw; top: 50%; translate: 0 -50%; width: 310px; height: 310px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; display: grid; place-items: center; color: rgba(255,255,255,.06); font-size: 180px; font-weight: 900; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr); align-items: center; gap: 62px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #f6cf87; font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--gold); }
.hero h1 { max-width: 770px; margin: 18px 0; font-size: clamp(38px, 5.2vw, 66px); line-height: 1.13; letter-spacing: -.045em; }
.hero h1 em { color: #ffcf73; font-style: normal; }
.hero-lead { max-width: 690px; margin: 0; color: #dce7f5; font-size: 18px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 30px; }
.hero-tag { padding: 7px 12px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.07); border-radius: 999px; color: #edf4fb; font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; border: 0; border-radius: 10px; font-weight: 800; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--red); box-shadow: 0 10px 24px rgba(215,53,42,.28); }
.btn-primary:hover { background: var(--red-dark); }
.btn-light { color: var(--ink); background: #fff; }
.btn-outline { color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.28); }
.btn-ink { color: #fff; background: var(--ink); }
.price-panel { position: relative; z-index: 2; padding: 26px; background: #fff; color: var(--text); border-radius: 18px 18px 18px 5px; box-shadow: var(--shadow); }
.price-panel-label { color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .06em; }
.price-row { display: flex; align-items: end; justify-content: space-between; gap: 16px; padding: 17px 0; border-bottom: 1px dashed var(--line); }
.price-row:last-of-type { border-bottom: 0; }
.price-row strong { color: var(--ink); font-size: 17px; }
.price-row b { color: var(--red); font-size: 32px; line-height: 1; }
.price-row b small { font-size: 14px; }
.price-note { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 22px 18px; text-align: center; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; color: var(--ink); font-size: 23px; }
.trust-item span { color: var(--muted); font-size: 13px; }

.section { padding: 86px 0; }
.section-white { background: #fff; }
.section-dark { color: #fff; background: var(--ink); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker { color: var(--red); font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.section h2, .subhero h1 { margin: 9px 0 12px; color: var(--ink); font-size: clamp(30px, 4.2vw, 46px); line-height: 1.22; letter-spacing: -.035em; }
.section-dark h2 { color: #fff; }
.section-head p { margin: 0; color: var(--muted); font-size: 17px; }
.section-dark .section-head p { color: #b9cbe0; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { position: relative; min-height: 250px; padding: 28px; overflow: hidden; border: 1px solid var(--line); background: #fff; border-radius: 16px; transition: transform .2s, box-shadow .2s, border-color .2s; }
.service-card:hover { transform: translateY(-4px); border-color: #cbd5e0; box-shadow: 0 16px 36px rgba(16,36,63,.09); }
.service-icon { width: 46px; height: 46px; display: grid; place-items: center; color: #fff; background: var(--ink); border-radius: 12px 12px 12px 3px; font-size: 19px; }
.service-card h3 { margin: 20px 0 8px; color: var(--ink); font-size: 21px; }
.service-card p { margin: 0; color: var(--muted); font-size: 15px; }
.service-card .more { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--red); font-weight: 800; font-size: 14px; }
.service-card .card-price { position: absolute; right: 20px; top: 22px; color: var(--red); font-weight: 900; }

.answer-box { position: relative; padding: 26px 28px 26px 72px; background: #edf5ff; border: 1px solid #cfe0f3; border-radius: 14px; color: var(--ink); }
.answer-box i { position: absolute; left: 28px; top: 28px; color: var(--green); font-size: 24px; }
.answer-box strong { display: block; margin-bottom: 5px; font-size: 17px; }
.answer-box p { margin: 0; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.process-item { position: relative; padding: 26px; border-top: 3px solid var(--red); background: rgba(255,255,255,.06); border-radius: 0 0 14px 14px; counter-increment: step; }
.process-item::before { content: "0" counter(step); display: block; margin-bottom: 28px; color: #ffcf73; font-weight: 900; font-size: 14px; }
.process-item h3 { margin: 0 0 8px; font-size: 18px; }
.process-item p { margin: 0; color: #b9cbe0; font-size: 14px; }

.area-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.area-card { padding: 24px; min-height: 144px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.area-card.featured { color: #fff; background: var(--red); border-color: var(--red); }
.area-card strong { display: block; color: var(--ink); font-size: 20px; }
.area-card.featured strong { color: #fff; }
.area-card span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.area-card.featured span { color: #ffe2df; }
.area-card i { float: right; margin-top: 24px; color: var(--red); }
.area-card.featured i { color: #fff; }

.proof-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: center; }
.proof-list { display: grid; gap: 14px; margin-top: 28px; }
.proof-item { display: flex; gap: 14px; align-items: flex-start; }
.proof-item i { flex: none; width: 32px; height: 32px; display: grid; place-items: center; color: var(--green); background: #e8f6ef; border-radius: 50%; margin-top: 2px; }
.proof-item strong { display: block; color: var(--ink); }
.proof-item span { color: var(--muted); font-size: 14px; }
.license-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 14px; }
.license-card { position: relative; overflow: hidden; min-height: 300px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 14px 30px rgba(16,36,63,.09); }
.license-card img { width: 100%; height: 100%; object-fit: contain; background: #fbfaf6; border-radius: 8px; }
.license-card figcaption { position: absolute; left: 22px; right: 22px; bottom: 22px; padding: 9px 12px; color: #fff; background: rgba(16,36,63,.9); border-radius: 8px; font-size: 13px; font-weight: 700; }
.license-small { min-height: 300px; }

.faq-list { display: grid; gap: 12px; max-width: 860px; margin-inline: auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 56px 18px 20px; color: var(--ink); font-weight: 800; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; translate: 0 -50%; color: var(--red); font-size: 24px; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { padding: 0 20px 20px; color: var(--muted); }
.faq-answer p { margin: 0; }

.contact-band { position: relative; overflow: hidden; padding: 50px; color: #fff; background: linear-gradient(105deg, var(--red), #b8211a); border-radius: 20px; box-shadow: var(--shadow); }
.contact-band::after { content: "13658165101"; position: absolute; right: -20px; bottom: -28px; color: rgba(255,255,255,.08); font-size: 78px; font-weight: 900; }
.contact-band-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.contact-band h2 { color: #fff; margin: 0 0 8px; font-size: 30px; }
.contact-band p { margin: 0; color: #ffe6e3; }

.subhero { padding: 64px 0 58px; color: #fff; background: var(--ink); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: #adc1d8; font-size: 13px; }
.breadcrumbs a:hover { color: #fff; }
.subhero h1 { color: #fff; max-width: 820px; margin-top: 20px; }
.subhero p { max-width: 780px; margin: 0; color: #c9d7e6; font-size: 17px; }
.subhero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.subhero-meta span { padding: 6px 11px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; font-size: 13px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; align-items: start; }
.content-card { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.content-card + .content-card { margin-top: 18px; }
.content-card h2 { margin-top: 0; font-size: 27px; }
.content-card h3 { margin: 26px 0 8px; color: var(--ink); }
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0; list-style: none; }
.check-list li { padding: 12px 14px; background: #f5f7fa; border-radius: 10px; }
.check-list i { color: var(--green); margin-right: 9px; }
.steps { padding: 0; list-style: none; counter-reset: liststep; }
.steps li { position: relative; min-height: 54px; padding: 0 0 22px 50px; counter-increment: liststep; }
.steps li::before { content: counter(liststep); position: absolute; left: 0; top: 0; width: 32px; height: 32px; display: grid; place-items: center; color: #fff; background: var(--red); border-radius: 50%; font-weight: 900; }
.steps li::after { content: ""; position: absolute; left: 15px; top: 34px; bottom: 2px; width: 1px; background: #e1e6eb; }
.steps li:last-child::after { display: none; }
.sidebar { position: sticky; top: 104px; display: grid; gap: 18px; }
.sidebar-card { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.sidebar-card.highlight { color: #fff; background: var(--ink); border-color: var(--ink); }
.sidebar-card h3 { margin: 0 0 12px; font-size: 19px; }
.sidebar-card p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.sidebar-card.highlight p { color: #c5d4e4; }
.side-links { display: grid; gap: 6px; }
.side-links a { padding: 8px 10px; border-radius: 8px; color: var(--muted); font-size: 14px; }
.side-links a:hover { color: var(--red); background: #f7f8fa; }
.price-box { display: flex; align-items: baseline; gap: 7px; margin: 10px 0; }
.price-box strong { color: #ffcf73; font-size: 35px; line-height: 1; }

.fact-table { width: 100%; border-collapse: collapse; }
.fact-table th, .fact-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.fact-table th { width: 150px; color: var(--muted); font-weight: 600; }
.fact-table td { color: var(--ink); font-weight: 700; }
.notice { padding: 16px 18px; color: #6b4a14; background: #fff6df; border: 1px solid #f3dfa9; border-radius: 10px; font-size: 14px; }
.map-store { display: flex; gap: 18px; align-items: center; }
.map-store img { width: 150px; border: 1px solid var(--line); border-radius: 10px; }

.site-footer { padding: 64px 0 28px; color: #b7c6d7; background: #09192e; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .9fr .9fr 1.2fr; gap: 40px; }
.footer-brand { color: #fff; font-size: 22px; font-weight: 900; }
.footer-copy { max-width: 350px; margin: 12px 0 0; font-size: 14px; }
.footer-title { margin-bottom: 13px; color: #fff; font-weight: 800; }
.footer-links { display: grid; gap: 8px; font-size: 14px; }
.footer-links button, .fact-table button { width: fit-content; padding: 0; color: inherit; background: none; border: 0; cursor: pointer; text-align: left; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.09); font-size: 12px; }
.mobile-actions { display: none; }
.toast { position: fixed; z-index: 80; left: 50%; bottom: 30px; translate: -50% 140px; padding: 10px 18px; color: #fff; background: var(--ink); border-radius: 999px; opacity: 0; transition: .28s; box-shadow: var(--shadow); }
.toast.show { translate: -50% 0; opacity: 1; }

@media (max-width: 980px) {
  .nav, .header-phone { display: none; }
  .menu-btn { display: inline-grid; place-items: center; }
  .nav.open { position: absolute; top: 100%; left: 0; right: 0; display: grid; gap: 0; padding: 12px 20px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 16px 28px rgba(16,36,63,.1); }
  .nav.open a { padding: 12px; border-bottom: 1px solid #edf0f3; }
  .hero-grid, .proof-grid, .content-grid { grid-template-columns: 1fr; }
  .hero::after { right: -100px; }
  .price-panel { max-width: 600px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid, .area-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  body { padding-bottom: 66px; }
  .container { width: min(100% - 28px, 1160px); }
  .topline-inner { min-height: 34px; justify-content: center; }
  .topline-inner > span:last-child { display: none; }
  .nav-wrap { min-height: 66px; }
  .brand-copy span { display: none; }
  .hero { padding: 48px 0; }
  .hero-grid { gap: 32px; }
  .hero h1 { font-size: 39px; }
  .hero-lead { font-size: 16px; }
  .actions .btn { width: 100%; }
  .price-panel { padding: 21px; }
  .price-row b { font-size: 27px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section { padding: 64px 0; }
  .service-grid, .process-grid, .area-grid, .license-grid, .sidebar, .footer-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 220px; }
  .check-list { grid-template-columns: 1fr; }
  .answer-box { padding: 58px 20px 20px; }
  .answer-box i { left: 20px; top: 20px; }
  .license-card, .license-small { min-height: 240px; }
  .contact-band { padding: 30px 24px; }
  .contact-band-inner { display: grid; }
  .contact-band .actions .btn { width: auto; }
  .fact-table th { width: 104px; }
  .fact-table th, .fact-table td { padding: 10px 8px; }
  .map-store { align-items: flex-start; }
  .map-store img { width: 112px; }
  .footer-bottom { display: grid; }
  .mobile-actions { position: fixed; z-index: 60; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; height: 66px; box-shadow: 0 -8px 24px rgba(16,36,63,.12); }
  .mobile-actions a, .mobile-actions button { display: flex; align-items: center; justify-content: center; gap: 8px; border: 0; font-weight: 900; }
  .mobile-actions a { color: #fff; background: var(--red); }
  .mobile-actions button { color: var(--ink); background: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}