:root {
  --white: #fff;
  --ink: #123b37;
  --green: #0f625b;
  --teal: #1f766d;
  --mint: #e9f4f1;
  --mint-strong: #dcece8;
  --gold: #c69c5a;
  --text: #263936;
  --muted: #62716e;
  --border: #d7e0de;
  --error: #a43f36;
  --serif: "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: var(--sans); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
body, button, input, select, textarea { font-family: var(--sans); }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font-size: 16px; }
button, a { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
.container { width: min(calc(100% - 96px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: 10px; padding: 9px 14px; color: var(--white); background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(198, 156, 90, .68); outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 50; min-height: 82px; background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(215,224,222,.8); }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand span { font-family: Georgia, serif; font-size: 25px; letter-spacing: .03em; }
.brand i { color: var(--teal); font-style: normal; }
.brand strong { font-family: var(--serif); font-size: 20px; letter-spacing: .05em; }
.site-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.site-nav a { min-height: 44px; display: inline-flex; align-items: center; color: var(--text); font-size: 15px; font-weight: 600; text-decoration: none; }
.site-nav a:hover { color: var(--teal); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; color: var(--ink); background: transparent; border: 0; }
.menu-toggle svg path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

.button { min-height: 48px; padding: 0 25px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; border-radius: 6px; font-size: 16px; font-weight: 700; line-height: 1.2; letter-spacing: .02em; text-decoration: none; cursor: pointer; transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
.button svg path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--green); border-color: var(--green); }
.button-primary:hover { background: var(--ink); border-color: var(--ink); }
.button-secondary { color: var(--ink); background: var(--white); border-color: var(--green); }
.button-secondary:hover { color: var(--white); background: var(--green); }
.button-gold { color: #7b571c; background: var(--white); border-color: var(--gold); }
.button-gold:hover { color: var(--white); background: #9b712d; border-color: #9b712d; }
.header-cta { min-height: 46px; padding-inline: 24px; }

.hero { min-height: 818px; display: flex; flex-direction: column; border-bottom: 1px solid var(--border); }
.hero-layout { flex: 1; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 50px; padding-block: 70px 46px; }
.hero-copy { padding-left: 18px; }
.hero h1 { max-width: 650px; margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(58px, 5.2vw, 78px); font-weight: 600; line-height: 1.14; letter-spacing: .01em; }
.hero-copy > p { max-width: 590px; margin: 34px 0 0; color: var(--text); font-size: 20px; line-height: 1.85; }
.hero-actions { display: flex; gap: 18px; margin-top: 42px; }
.hero-actions .button { min-width: 178px; min-height: 56px; font-size: 17px; }
.hero-visual { min-width: 0; }
.route-map { width: 100%; height: auto; color: var(--teal); }
.route-lines path { fill: none; stroke: var(--teal); stroke-width: 2.1; }
.route-lines path:nth-child(3), .route-lines path:nth-child(6) { stroke: #9ecfc7; }
.route-lines .gold, .route-nodes .gold { stroke: var(--gold); fill: var(--gold); }
.route-nodes circle { fill: var(--teal); }
.route-nodes circle:nth-child(3), .route-nodes circle:nth-child(6) { fill: #a7d7cf; }
.route-target circle { fill: none; stroke: var(--border); stroke-width: 1.5; }
.route-target circle:nth-child(2) { stroke: var(--gold); stroke-dasharray: 2 8; }
.route-target circle:nth-child(3) { fill: var(--green); stroke: var(--green); }
.route-map-mobile { display: none; }
.section-preview { width: min(calc(100% - 96px), var(--container)); min-height: 112px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; color: var(--ink); font-family: var(--serif); font-size: clamp(26px, 3vw, 42px); font-weight: 600; text-decoration: none; border-top: 1px solid var(--border); }
.section-preview i { width: 42%; height: 2px; position: relative; background: var(--gold); }
.section-preview i::after { content: ""; position: absolute; right: 0; top: -4px; width: 10px; height: 10px; border-top: 2px solid var(--gold); border-right: 2px solid var(--gold); transform: rotate(45deg); }

.product-section { padding-block: 112px 122px; }
.section-heading { max-width: 800px; }
.section-heading h2 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(42px, 4.2vw, 58px); font-weight: 600; line-height: 1.25; }
.section-heading > p, .section-heading div > p { margin: 14px 0 0; color: var(--muted); font-size: 17px; }
.numbered-heading { display: flex; align-items: flex-start; gap: 34px; max-width: none; }
.numbered-heading > span { padding-top: 7px; color: var(--teal); font-family: var(--serif); font-size: 36px; line-height: 1; }
.numbered-heading > span::after { content: ""; display: inline-block; width: 1px; height: 44px; margin-left: 28px; vertical-align: middle; background: var(--gold); }
.product-workspace { margin-top: 52px; display: grid; grid-template-columns: 42% 58%; min-height: 610px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.product-options { border-right: 1px solid var(--border); }
.product-option { width: 100%; min-height: 82px; padding: 0 34px; display: grid; grid-template-columns: 62px 1fr 26px; align-items: center; gap: 16px; color: var(--ink); text-align: left; background: var(--white); border: 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.product-option:last-child { border-bottom: 0; }
.product-option .number { color: var(--teal); font-family: Georgia, serif; font-size: 28px; }
.product-option .name { font-family: var(--serif); font-size: 21px; font-weight: 600; }
.product-option svg { color: var(--teal); }
.product-option svg path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.product-option:hover, .product-option:focus-visible { background: var(--mint); }
.product-option[aria-selected="true"] { position: relative; color: var(--white); background: var(--green); }
.product-option[aria-selected="true"]::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 7px; background: var(--gold); }
.product-option[aria-selected="true"] .number, .product-option[aria-selected="true"] svg { color: var(--gold); }
.product-panel { min-width: 0; padding: 54px 68px; display: flex; align-items: center; }
.product-empty span { color: var(--gold); font-family: Georgia, serif; font-size: 18px; letter-spacing: .15em; }
.product-empty h3, .product-content > h3 { margin: 16px 0; color: var(--ink); font-family: var(--serif); font-size: clamp(38px, 3.6vw, 54px); font-weight: 600; line-height: 1.25; }
.product-empty p { max-width: 520px; color: var(--muted); font-size: 17px; }
.product-empty .contact-empty { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border); color: var(--ink); }
.product-content { width: 100%; }
.product-status { margin: 0; color: var(--teal); font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.product-description { max-width: 620px; margin: 18px 0 0; font-size: 18px; }
.product-audience { margin: 22px 0 0; color: var(--muted); }
.product-audience span { color: var(--teal); }
.product-audience strong { color: var(--text); font-weight: 600; }
.product-link { margin-top: 34px; min-width: 185px; }
.contact-route { margin-top: 42px; padding-top: 26px; border-top: 1px solid var(--border); }
.contact-route h4 { margin: 0 0 24px; color: var(--ink); font-family: var(--serif); font-size: 22px; }
.contact-route h4::before { content: ""; display: inline-block; width: 4px; height: 20px; margin-right: 12px; vertical-align: -3px; background: var(--gold); }
.contact-line { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 18px; }
.contact-icon { width: 54px; height: 54px; display: grid; place-items: center; color: var(--green); background: var(--mint); border-radius: 50%; }
.contact-icon svg { width: 28px; height: 28px; }
.contact-icon path, .contact-line a svg path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.contact-line div { display: flex; flex-direction: column; }
.contact-line div strong { color: var(--ink); font-family: var(--serif); font-size: 24px; }
.contact-line div span { color: var(--muted); font-size: 14px; }
.contact-line a { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 17px; font-weight: 700; text-decoration: none; }
.contact-route .button { width: 100%; margin-top: 25px; }

.static-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 42px; }
.static-product-card { min-width: 0; padding: 28px; border: 1px solid var(--border); border-radius: 8px; background: var(--white); }
.static-product-meta { display: flex; justify-content: space-between; gap: 16px; color: var(--teal); font-size: 14px; font-weight: 700; }
.static-product-meta span:first-child { color: var(--gold); font-family: Georgia, serif; font-size: 22px; }
.static-product-card h3 { margin: 16px 0 10px; color: var(--ink); font-family: var(--serif); font-size: 27px; }
.static-product-card p { margin: 0 0 12px; color: var(--muted); }
.static-product-card .static-product-audience { color: var(--ink); font-size: 14px; }
.static-product-actions { display: flex; flex-wrap: wrap; gap: 12px 20px; padding-top: 14px; border-top: 1px solid var(--border); }
.static-product-actions a { min-height: 44px; display: inline-flex; align-items: center; color: var(--teal); font-weight: 700; text-decoration: none; overflow-wrap: anywhere; }
.static-product-actions a:hover, .static-product-actions a:focus-visible { text-decoration: underline; }

.choose-section { padding-block: 110px; background: var(--mint); }
.choose-layout { display: grid; grid-template-columns: 38% 62%; gap: 80px; align-items: start; }
.choose-section .section-heading h2 { font-size: clamp(38px, 3.7vw, 52px); }
.scenario-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(18,59,55,.22); }
.scenario-list li { min-height: 128px; display: grid; grid-template-columns: 80px 1fr; align-items: center; border-bottom: 1px solid rgba(18,59,55,.22); }
.scenario-list li > span { color: var(--gold); font-family: Georgia, serif; font-size: 25px; }
.scenario-list h3 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: 27px; }
.scenario-list p { margin: 4px 0 0; color: var(--muted); }

.booking-layout { display: grid; grid-template-columns: 68% 32%; }
.booking-form-wrap { padding: 112px max(54px, calc((100vw - var(--container)) / 2)) 112px max(48px, calc((100vw - var(--container)) / 2)); }
.booking-form-wrap .section-heading { max-width: 790px; }
.booking-fallback { margin-top: 46px; padding: 30px; border: 1px solid rgba(31,118,109,.28); border-radius: 8px; background: var(--white); }
.booking-fallback h3 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: 28px; }
.booking-fallback p { margin: 12px 0 24px; color: var(--muted); line-height: 1.8; }
.booking-fallback-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.booking-fallback[hidden], .lead-form[hidden] { display: none; }
.lead-form { margin-top: 46px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.form-grid label { display: flex; flex-direction: column; gap: 8px; }
.form-grid label > span { color: var(--ink); font-size: 14px; font-weight: 700; }
.form-grid em { color: var(--error); font-style: normal; }
.form-grid small { color: var(--muted); font-size: 12px; font-weight: 400; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; color: var(--text); background: var(--white); border: 1px solid #b8c4c1; border-radius: 4px; }
.form-grid input, .form-grid select { min-height: 50px; padding: 0 14px; }
.form-grid textarea { min-height: 124px; padding: 13px 14px; resize: vertical; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--teal); outline: 2px solid rgba(31,118,109,.22); outline-offset: 0; }
.form-span { grid-column: 1 / -1; }
.honeypot { position: absolute; left: -10000px; }
.consent { margin-top: 22px; display: flex; align-items: flex-start; gap: 10px; font-size: 14px; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--green); }
.consent a { color: var(--teal); }
.sensitive-warning { display: flex; align-items: center; gap: 9px; margin: 17px 0 0; color: #8a631f; font-size: 14px; }
.sensitive-warning > span { width: 20px; height: 20px; display: inline-grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; font-weight: 800; }
.submit-button { width: 100%; min-height: 56px; margin-top: 28px; }
.form-status { min-height: 26px; margin: 14px 0 0; color: var(--ink); font-size: 14px; }
.form-status.is-error { color: var(--error); }
.submit-button:disabled { cursor: wait; opacity: .68; transform: none; }
.wechat-rail { padding: 112px 48px; display: grid; place-items: center; text-align: center; background: var(--mint); border-left: 1px solid rgba(198,156,90,.7); }
.wechat-rail h2 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(30px, 2.8vw, 42px); }
.wechat-rail h2::before { content: ""; display: block; width: 54px; height: 4px; margin: 0 auto 26px; background: var(--gold); }
.wechat-rail figure { margin: 42px 0 0; }
.wechat-rail img { width: min(260px, 100%); height: auto; margin-inline: auto; padding: 12px; background: var(--white); border: 1px solid rgba(31,118,109,.36); }
.wechat-rail figcaption { margin-top: 18px; color: var(--muted); font-size: 14px; }

.site-footer { color: rgba(255,255,255,.88); background: var(--ink); border-top: 4px solid var(--gold); }
.footer-inner { min-height: 150px; display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.footer-inner > div strong, .privacy-page .footer-inner > strong { color: var(--white); font-family: var(--serif); font-size: 22px; }
.footer-inner p { margin: 5px 0 0; color: rgba(255,255,255,.64); font-size: 14px; }
.footer-hotline { min-height: 54px; display: flex; flex-direction: column; align-items: flex-end; justify-content: center; text-decoration: none; }
.footer-hotline span { color: rgba(255,255,255,.64); font-size: 13px; }
.footer-hotline strong { color: var(--white); font-family: Georgia, serif; font-size: 24px; letter-spacing: .05em; }
.footer-bottom { min-height: 56px; display: flex; flex-wrap: wrap; gap: 12px 20px; padding-block: 16px; align-items: center; justify-content: space-between; color: rgba(255,255,255,.55); font-size: 13px; border-top: 1px solid rgba(255,255,255,.12); }
.footer-bottom a { text-decoration: none; }

.privacy-main { min-height: 70vh; padding-block: 88px 112px; }
.prose { max-width: 840px; }
.prose h1 { margin: 0 0 36px; color: var(--ink); font-family: var(--serif); font-size: 56px; }
.prose h2 { margin: 48px 0 12px; color: var(--ink); font-family: var(--serif); font-size: 28px; }
.prose p { color: var(--text); font-size: 17px; }

@media (max-width: 1080px) {
  .container { width: min(calc(100% - 56px), var(--container)); }
  .site-nav { gap: 22px; }
  .hero-layout { gap: 20px; }
  .product-panel { padding-inline: 44px; }
  .booking-form-wrap { padding-inline: 38px; }
  .wechat-rail { padding-inline: 32px; }
}

@media (max-width: 760px) {
  .container { width: calc(100% - 44px); }
  .site-header, .header-inner { min-height: 70px; }
  .header-inner { gap: 12px; }
  .brand { gap: 7px; }
  .brand span { font-size: 20px; }
  .brand strong { font-size: 17px; }
  .header-cta { display: none; }
  .menu-toggle { margin-left: auto; display: inline-flex; }
  .site-nav { position: absolute; inset: 70px 0 auto; display: none; padding: 14px 22px 22px; flex-direction: column; align-items: stretch; gap: 0; background: var(--white); border-bottom: 1px solid var(--border); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 8px 0; border-bottom: 1px solid var(--border); }
  .site-nav a:last-child { border-bottom: 0; }
  .hero { min-height: calc(100svh - 70px); }
  .hero-layout { display: flex; flex-direction: column; align-items: stretch; gap: 26px; padding-block: 58px 32px; }
  .hero-copy { padding: 0; text-align: center; }
  .hero h1 { font-size: clamp(46px, 13.5vw, 58px); line-height: 1.16; }
  .hero-copy > p { margin-top: 24px; font-size: 17px; line-height: 1.75; }
  .hero-actions { margin-top: 30px; gap: 12px; }
  .hero-actions .button { flex: 1; min-width: 0; min-height: 52px; padding-inline: 12px; font-size: 16px; }
  .route-map-desktop { display: none; }
  .route-map-mobile { display: block; max-height: 268px; margin-inline: auto; }
  .route-map-mobile .route-lines path, .route-map-mobile .route-arrow { fill: none; stroke: var(--teal); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
  .route-map-mobile .route-lines path:nth-child(3), .route-map-mobile .route-lines path:nth-child(5) { stroke: #9ecfc7; }
  .route-map-mobile .route-lines .gold { stroke: var(--gold); }
  .section-preview { width: calc(100% - 44px); min-height: 88px; font-size: 25px; }
  .section-preview i { width: 22%; }
  .product-section { padding-block: 76px 82px; overflow: hidden; }
  .numbered-heading { display: block; }
  .numbered-heading > span { display: none; }
  .section-heading h2 { font-size: 36px; }
  .section-heading > p, .section-heading div > p { font-size: 15px; }
  .product-workspace { min-height: 0; margin-top: 34px; display: block; border: 0; }
  .product-options { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 12px; border: 0; scroll-snap-type: x proximity; scrollbar-width: thin; }
  .product-option { flex: 0 0 auto; width: auto; min-height: 46px; padding: 0 17px; display: flex; gap: 8px; border: 1px solid var(--border); border-radius: 6px; scroll-snap-align: start; }
  .product-option::before, .product-option svg, .product-option .number { display: none; }
  .product-option .name { font-family: var(--sans); font-size: 14px; }
  .product-panel { min-height: 420px; margin-top: 18px; padding: 36px 24px; align-items: flex-start; background: var(--mint); border-left: 7px solid var(--green); border-radius: 0 10px 10px 0; }
  .product-empty h3, .product-content > h3 { font-size: 36px; }
  .contact-line { grid-template-columns: 50px 1fr; }
  .contact-line > a { grid-column: 1 / -1; }
  .contact-route .button { min-height: 52px; }
  .choose-section { padding-block: 78px; }
  .choose-layout { display: block; }
  .scenario-list { margin-top: 36px; }
  .scenario-list li { min-height: 118px; grid-template-columns: 58px 1fr; }
  .scenario-list h3 { font-size: 23px; }
  .scenario-list p { font-size: 14px; }
  .booking-layout { display: block; }
  .static-product-grid { grid-template-columns: 1fr; }
  .booking-form-wrap { padding: 80px 22px; }
  .form-grid { grid-template-columns: 1fr; gap: 18px; }
  .form-span { grid-column: auto; }
  .wechat-rail { padding: 80px 22px; border-top: 1px solid rgba(198,156,90,.7); border-left: 0; }
  .wechat-rail h2 { font-size: 34px; }
  .footer-inner { min-height: 176px; padding-block: 36px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 22px; }
  .footer-hotline { align-items: flex-start; }
  .footer-bottom { min-height: 64px; }
  .privacy-main { padding-block: 66px 80px; }
  .prose h1 { font-size: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}