:root {
    --ink: #19332e;
    --forest: #23684f;
    --forest-dark: #174c3a;
    --rose: #bd6f75;
    --mint: #eef6f1;
    --paper: #ffffff;
    --line: #d6e2dc;
    --muted: #5d726b;
    --container: 1140px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, Helvetica, sans-serif; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.header-inner { width: min(calc(100% - 40px), var(--container)); min-height: 72px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand img { width: 42px; height: 42px; border-radius: 50%; }
.main-nav { display: flex; align-items: center; gap: 28px; color: #49625b; font-size: 14px; }
.main-nav a.active { color: var(--forest); font-weight: 800; }
.download-link { padding: 9px 18px; color: #fff; background: var(--forest); border-radius: 6px; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--ink); }
.hero { background: var(--mint); border-bottom: 1px solid var(--line); }
.hero-inner { width: min(calc(100% - 40px), var(--container)); min-height: 590px; margin: auto; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 56px; padding: 42px 0; }
.hero-copy { display: grid; grid-template-columns: 45px 1fr; gap: 26px; align-items: stretch; }
.progress-rail { display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--forest); font-size: 12px; }
.progress-rail span { width: 1px; flex: 1; background: var(--forest); }
.progress-rail small { color: var(--rose); }
.eyebrow { color: var(--rose); font-size: 12px; font-weight: 800; }
.hero h1 { max-width: 530px; margin: 13px 0 17px; font-size: 49px; line-height: 1.16; letter-spacing: 0; }
.hero-copy p { max-width: 570px; margin: 0; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 27px; }
.button { display: inline-flex; min-height: 46px; padding: 10px 22px; align-items: center; justify-content: center; border-radius: 6px; font-weight: 800; }
.button.primary { color: #fff; background: var(--forest); }
.button.light { color: var(--forest-dark); background: #fff; }
.text-link { color: var(--forest); font-weight: 800; }
.hero-media { position: relative; height: 500px; display: flex; align-items: center; justify-content: center; }
.hero-media img { max-width: 400px; border: 7px solid #fff; box-shadow: 0 18px 40px rgba(27,78,61,.13); }
.search-shot { width: 230px; transform: translateX(-45px); }
.detail-shot { position: absolute; width: 200px; right: 42px; bottom: 30px; }
.media-caption { position: absolute; left: 6px; bottom: 30px; display: grid; padding: 13px 18px; background: #fff; border-left: 4px solid var(--rose); }
.media-caption span { color: var(--muted); font-size: 12px; }
.section { padding: 82px 0; }
.section-inner, .footer-inner, .guide-main, .faq-main { width: min(calc(100% - 40px), var(--container)); margin: auto; }
.heading-row { display: grid; grid-template-columns: 1fr auto; align-items: end; padding-bottom: 16px; margin-bottom: 34px; border-bottom: 1px solid var(--line); }
.heading-row span { color: var(--rose); font-size: 12px; font-weight: 800; }
.heading-row h2 { margin: 0; font-size: 31px; }
.matrix-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.matrix-grid article { min-height: 220px; padding: 25px; border-right: 1px solid var(--line); }
.matrix-grid article:last-child { border-right: 0; }
.matrix-grid article > b { color: var(--rose); font-size: 12px; }
.matrix-grid h3 { margin: 32px 0 8px; }
.matrix-grid article div { color: var(--muted); font-size: 14px; }
.route-map { background: var(--forest-dark); color: #fff; }
.route-map .heading-row { border-color: rgba(255,255,255,.22); }
.route-map .heading-row span { color: #e8adb2; }
.route-flow { display: grid; grid-template-columns: 1fr 30px 1fr 30px 1fr 30px 1fr; align-items: center; gap: 8px; }
.route-flow div { min-height: 140px; padding: 22px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); }
.route-flow div { display: flex; flex-direction: column; justify-content: space-between; }
.route-flow span { color: #c9dcd4; font-size: 13px; }
.route-flow i { color: #e8adb2; text-align: center; font-style: normal; }
.route-map .section-inner > a { display: inline-block; margin-top: 25px; color: #fff; font-weight: 800; }
.gallery { background: #fff; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: end; }
.gallery-grid figure { margin: 0; padding: 20px; background: var(--mint); border: 1px solid var(--line); }
.gallery-grid img { width: auto; height: 410px; max-width: 400px; margin: auto; object-fit: contain; }
.gallery-grid figcaption { padding-top: 14px; text-align: center; font-weight: 800; }
.faq-preview { background: #f8faf8; border-block: 1px solid var(--line); }
.faq-links { display: grid; gap: 12px; }
.faq-links a { display: flex; justify-content: space-between; gap: 24px; padding: 20px 22px; background: #fff; border: 1px solid var(--line); }
.faq-links b { color: var(--forest); }
.download-band { width: min(calc(100% - 40px), var(--container)); min-height: 190px; margin: 80px auto; padding: 38px 48px; display: flex; align-items: center; justify-content: space-between; gap: 28px; color: #fff; background: var(--forest); }
.download-band span { color: #cbe1d8; font-size: 12px; }
.download-band h2 { margin: 4px 0 0; font-size: 30px; }
footer { padding: 46px 0; color: #d8e6e1; background: #132e25; text-align: center; }
.footer-inner { display: grid; justify-items: center; gap: 15px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; }
.footer-brand img { border-radius: 50%; }
.footer-inner nav { display: flex; gap: 22px; }
.footer-inner p { max-width: 760px; margin: 0; color: #a9c0b8; }
.footer-inner small { color: #79968c; }
.guide-hero { min-height: 520px; display: grid; grid-template-columns: 1fr 340px; align-items: center; gap: 70px; padding: 52px 70px; background: var(--mint); border-inline: 1px solid var(--line); }
.guide-hero h1, .faq-hero h1 { margin: 12px 0; font-size: 43px; line-height: 1.2; }
.guide-hero p, .faq-hero p { color: var(--muted); font-size: 17px; }
.guide-hero .button, .faq-hero .button { margin-top: 18px; }
.guide-hero img { width: 210px; max-width: 400px; justify-self: center; border: 7px solid #fff; box-shadow: 0 14px 30px rgba(27,78,61,.12); }
.timeline { padding: 75px 0; }
.timeline article { display: grid; grid-template-columns: 130px 1fr; gap: 38px; padding: 35px 0; border-bottom: 1px solid var(--line); }
.timeline article > span { color: var(--rose); font-size: 12px; font-weight: 800; }
.timeline h2 { margin: 0 0 13px; }
.timeline p { color: var(--muted); }
.timeline a { color: var(--forest); text-decoration: underline; }
.guide-cta { margin-bottom: 80px; padding: 35px 44px; display: flex; align-items: center; justify-content: space-between; color: #fff; background: var(--forest); }
.guide-cta h2 { margin: 0; }
.faq-main { padding-top: 54px; padding-bottom: 80px; }
.faq-hero { max-width: 780px; margin: 0 auto 46px; text-align: center; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; padding: 21px 6px; display: grid; grid-template-columns: 55px 1fr 30px; align-items: center; color: var(--ink); background: #fff; border: 0; text-align: left; cursor: pointer; }
.faq-item button span { color: var(--rose); font-size: 12px; }
.faq-item button i { color: var(--forest); font-size: 22px; font-style: normal; }
.faq-item > div { display: none; padding: 0 60px 22px; color: var(--muted); }
.faq-item > div p { margin: 0; }
.faq-item.open > div { display: block; }
.faq-item.open i { transform: rotate(45deg); }
.faq-card { margin-top: 65px; padding: 32px 55px; display: grid; grid-template-columns: 150px 1fr; align-items: center; gap: 50px; background: var(--mint); border: 1px solid var(--line); }
.faq-card img { width: 125px; max-width: 400px; box-shadow: 0 12px 28px rgba(27,78,61,.1); }
.faq-card h2 { margin: 0; }
.faq-card p { color: var(--muted); }
.faq-card a { color: var(--forest); font-weight: 800; }
@media (max-width: 860px) {
    .header-inner { width: min(calc(100% - 28px), var(--container)); min-height: 64px; }
    .brand img { width: 38px; height: 38px; }
    .menu-toggle { display: block; }
    .main-nav { position: absolute; top: 64px; left: 14px; right: 14px; display: none; padding: 18px; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 28px rgba(27,78,61,.12); }
    .main-nav.open { display: grid; gap: 11px; }
    .download-link { text-align: center; }
    .hero-inner { width: min(calc(100% - 28px), var(--container)); min-height: 0; grid-template-columns: 1fr; gap: 22px; padding: 34px 0 28px; }
    .hero-copy { grid-template-columns: 26px 1fr; gap: 12px; }
    .hero h1 { font-size: 34px; }
    .hero-copy p { font-size: 15px; }
    .hero-media { height: 270px; }
    .search-shot { width: 132px; transform: translateX(-32px); }
    .detail-shot { width: 110px; right: 55px; bottom: 16px; }
    .media-caption { left: 5px; bottom: 12px; padding: 8px 10px; }
    .media-caption span { display: none; }
    .section-inner, .footer-inner, .guide-main, .faq-main { width: min(calc(100% - 28px), var(--container)); }
    .section { padding: 56px 0; }
    .heading-row { grid-template-columns: 1fr; gap: 4px; }
    .heading-row h2 { font-size: 27px; }
    .matrix-grid { grid-template-columns: 1fr 1fr; }
    .matrix-grid article { min-height: 180px; border-bottom: 1px solid var(--line); }
    .route-flow { grid-template-columns: 1fr; }
    .route-flow i { transform: rotate(90deg); }
    .route-flow div { min-height: 105px; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-grid figure { display: grid; grid-template-columns: 115px 1fr; align-items: center; gap: 20px; }
    .gallery-grid img { width: 105px; height: 205px; }
    .gallery-grid figcaption { text-align: left; }
    .download-band { width: min(calc(100% - 28px), var(--container)); margin: 56px auto; padding: 30px; flex-direction: column; align-items: flex-start; }
    .guide-hero { min-height: 0; grid-template-columns: 1fr; gap: 26px; padding: 38px 28px; }
    .guide-hero h1, .faq-hero h1 { font-size: 32px; }
    .guide-hero img { width: 130px; }
    .timeline { padding: 50px 0; }
    .timeline article { grid-template-columns: 1fr; gap: 10px; }
    .guide-cta { padding: 28px; flex-direction: column; align-items: flex-start; gap: 20px; }
    .faq-main { padding-top: 40px; }
    .faq-item button { grid-template-columns: 40px 1fr 24px; }
    .faq-item > div { padding-left: 40px; padding-right: 10px; }
    .faq-card { padding: 28px; grid-template-columns: 1fr; gap: 20px; }
    .faq-card img { width: 110px; }
}
@media (max-width: 420px) {
    .hero h1, .guide-hero h1, .faq-hero h1 { font-size: 29px; }
    .matrix-grid { grid-template-columns: 1fr; }
    .matrix-grid article { min-height: 0; }
}