:root {
    --brand: #B93A4A;
    --brand-soft: #D9828D;
    --ink: #2B2528;
    --text: #332D2F;
    --muted: #756B6E;
    --bg: #FFF9F7;
    --bg-soft: #F6ECEB;
    --accent: #E45B4F;
    --line: #E7D9D7;
    --white: #FFFFFF;
    --radius-lg: 30px;
    --radius-md: 18px;
    --shadow: 0 18px 50px rgba(74, 39, 45, 0.09);
    --container: min(1180px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
img { max-width: 100%; height: auto; display: block; }
button, input { font: inherit; }
button { cursor: pointer; }
.container { width: var(--container); margin-inline: auto; }
.narrow { max-width: 840px; margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,249,247,.94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(185,58,74,.12); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--ink); white-space: nowrap; }
.brand img { width: 46px; height: 46px; object-fit: contain; }
.site-nav { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.site-nav a { padding: 9px 12px; border-radius: 999px; color: #574D50; font-size: 14px; }
.site-nav a:hover, .site-nav a.is-active { background: var(--bg-soft); color: var(--brand); }
.search-open, .menu-toggle { border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 999px; padding: 9px 14px; }
.menu-toggle { display: none; }
.hero { padding: 72px 0 36px; overflow: hidden; }
.hero-grid, .page-hero-grid, .article-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; }
.hero-copy h1, .page-hero h1 { color: var(--ink); line-height: 1.18; letter-spacing: -.035em; margin: 12px 0 20px; }
.hero-copy h1 { font-size: clamp(38px, 5vw, 68px); }
.page-hero h1 { font-size: clamp(34px, 4.3vw, 56px); max-width: 920px; }
.eyebrow { margin: 0 0 8px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow.light { color: #F5BAC1; }
.lead { font-size: 18px; line-height: 1.85; color: #665C5F; max-width: 780px; }
.lead-sm { font-size: 17px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 30px; }
.hero-actions.center { justify-content: center; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px; border-radius: 999px; font-weight: 760; border: 1px solid transparent; }
.button.primary { background: var(--brand); color: #fff; }
.button.primary:hover { background: #9F2F3F; color: #fff; }
.button.secondary { background: #fff; color: var(--brand); border-color: #E2C6C9; }
.button.secondary:hover { background: #fff2f1; }
.text-link, .arrow-link { color: var(--brand); font-weight: 760; }
.arrow-link::after { content: " →"; }
.hero-note { margin-top: 28px; padding: 13px 16px; background: var(--bg-soft); border-left: 3px solid var(--brand-soft); border-radius: 0 10px 10px 0; font-size: 14px; color: var(--muted); }
.hero-media { margin: 0; padding: 18px; background: #fff; border-radius: 34px; box-shadow: var(--shadow); transform: rotate(1deg); }
.hero-media img { border-radius: 24px; width: 100%; aspect-ratio: 1.28 / 1; object-fit: cover; }
.hero-media figcaption { padding: 14px 8px 2px; color: var(--muted); font-size: 14px; }
.section { padding: 76px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--ink); color: #F9EEEE; }
.section-heading { margin-bottom: 34px; }
.section-heading h2, .two-col h2, .topic-feature h2, .about-band h2, .final-cta h2, .safety-grid h2 { margin: 0; color: var(--ink); font-size: clamp(28px, 3.4vw, 44px); line-height: 1.25; letter-spacing: -.025em; }
.split-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: end; }
.split-heading > p { margin: 0; color: var(--muted); }
.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.path-card { background: #fff; border: 1px solid #F0DFDE; border-radius: 24px; overflow: hidden; box-shadow: 0 10px 30px rgba(71, 40, 46, .05); }
.path-card img { width: 100%; aspect-ratio: 1.62 / 1; object-fit: cover; }
.path-card-body { padding: 22px; }
.path-card h3 { margin: 0 0 10px; color: var(--ink); font-size: 21px; }
.path-card p { color: var(--muted); margin: 0 0 14px; }
.editorial-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: center; }
.editorial-image img { width: 100%; min-height: 520px; object-fit: cover; border-radius: 30px; }
.step-list { list-style: none; padding: 0; margin: 28px 0 32px; display: grid; gap: 16px; }
.step-list li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; }
.step-list li > span { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: #fff; font-weight: 800; }
.step-list h3 { margin: 0 0 4px; color: var(--ink); }
.step-list p { margin: 0; color: var(--muted); }
.editorial-list { border-top: 1px solid var(--line); }
.editorial-list article { display: grid; grid-template-columns: .75fr 1.25fr; gap: 40px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.editorial-list h3 { margin: 0; color: var(--ink); font-size: 20px; }
.editorial-list p { margin: 0; color: var(--muted); }
.device-band { display: grid; grid-template-columns: 1fr .82fr; align-items: center; gap: 60px; }
.device-band h2 { color: #fff; font-size: clamp(30px, 3.5vw, 48px); line-height: 1.23; }
.device-band p { color: #D7CBCE; }
.device-band img { border-radius: 24px; width: 100%; aspect-ratio: 1.4 / 1; object-fit: cover; }
.inline-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; }
.inline-links a { color: #F2B5BC; font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }
.guide-list { display: grid; gap: 14px; }
.guide-list article { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 28px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.guide-list h2, .guide-list h3 { margin: 5px 0 8px; line-height: 1.35; color: var(--ink); }
.guide-list h2 { font-size: 23px; }
.guide-list p { margin: 0; color: var(--muted); }
.guide-list.compact article { background: transparent; border-left: 0; border-right: 0; border-top: 0; border-radius: 0; padding-inline: 0; }
.tag { display: inline-flex; width: fit-content; padding: 3px 9px; border-radius: 999px; background: #FBE1E3; color: var(--brand); font-size: 12px; font-weight: 800; }
.section-action { margin: 28px 0 0; }
.topic-feature { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; }
.topic-feature > img { width: 100%; border-radius: 30px; min-height: 520px; object-fit: cover; }
.topic-links { margin-top: 28px; display: grid; border-top: 1px solid #DDC7C9; }
.topic-links a { display: grid; gap: 4px; padding: 18px 0; border-bottom: 1px solid #DDC7C9; }
.topic-links span { color: var(--muted); font-size: 14px; }
.two-col { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.problem-map { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 26px 0; }
.problem-map div { padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 14px; display: grid; gap: 6px; }
.problem-map strong { color: var(--brand); }
.problem-map span { color: var(--muted); font-size: 14px; }
.side-figure { margin: 0; }
.side-figure img { border-radius: 26px; width: 100%; }
.side-figure figcaption { color: var(--muted); font-size: 13px; margin-top: 10px; }
.safety-strip { padding-top: 36px; }
.safety-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; padding: 34px; border: 1px solid var(--line); border-radius: 26px; background: #fff; }
.safety-grid img { border-radius: 20px; width: 100%; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
details { border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 16px 18px; }
summary { cursor: pointer; font-weight: 760; color: var(--ink); }
details p { color: var(--muted); margin: 12px 0 2px; }
.about-band { display: grid; grid-template-columns: .75fr 1.25fr; gap: 54px; align-items: center; }
.about-band img { border-radius: 24px; width: 100%; }
.final-cta { text-align: center; }
.final-cta p { max-width: 760px; margin-inline: auto; color: var(--muted); }
.page-hero { padding: 64px 0 46px; background: linear-gradient(180deg, #FFF9F7, #FBF1EF); }
.page-hero.slim { padding: 56px 0 44px; }
.page-hero img { border-radius: 28px; width: 100%; aspect-ratio: 1.3 / 1; object-fit: cover; box-shadow: var(--shadow); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.breadcrumbs a { color: var(--brand); }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 70px; align-items: start; }
.prose { font-size: 17px; }
.prose h2 { margin: 44px 0 14px; color: var(--ink); font-size: 28px; line-height: 1.3; letter-spacing: -.018em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { color: var(--ink); }
.prose p { margin: 0 0 18px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 10px; }
.callout, .intro-box { margin: 28px 0; padding: 20px 22px; background: var(--bg-soft); border-left: 4px solid var(--brand); border-radius: 0 14px 14px 0; }
.numbered-blocks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 26px 0; }
.numbered-blocks section { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.numbered-blocks b { color: var(--brand-soft); font-size: 26px; }
.numbered-blocks h3 { margin: 5px 0; }
.numbered-blocks p { margin: 0; color: var(--muted); font-size: 15px; }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 28px 0; }
.choice-grid > a { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.choice-grid span { color: var(--brand); font-size: 12px; font-weight: 800; }
.choice-grid strong { display: block; color: var(--ink); margin: 3px 0 6px; }
.choice-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.article-aside { position: sticky; top: 104px; display: grid; gap: 16px; }
.aside-card { border: 1px solid var(--line); border-radius: 18px; padding: 20px; background: #fff; }
.aside-card h2 { font-size: 18px; margin: 0 0 12px; color: var(--ink); }
.aside-card p, .aside-card li { font-size: 14px; color: var(--muted); }
.aside-card ul { margin: 0; padding-left: 18px; }
.aside-card a { display: block; padding: 9px 0; border-bottom: 1px solid #F1E5E4; color: var(--brand); font-weight: 680; }
.aside-card a:last-child { border-bottom: 0; }
.timeline { margin: 26px 0; border-left: 2px solid #E4C7CA; }
.timeline > div { position: relative; padding: 0 0 26px 34px; }
.timeline > div::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; background: var(--brand); border-radius: 50%; }
.timeline span { color: var(--brand); font-size: 12px; font-weight: 800; }
.timeline h3 { margin: 2px 0 4px; }
.timeline p { margin: 0; color: var(--muted); }
.guide-index { display: grid; grid-template-columns: 340px 1fr; gap: 54px; align-items: start; }
.guide-index-intro { position: sticky; top: 104px; }
.guide-index-intro img { border-radius: 24px; margin-bottom: 22px; width: 100%; }
.guide-index-intro h2 { color: var(--ink); }
.meta-line { font-size: 13px; }
.topic-index { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; align-items: start; }
.topic-cover { position: sticky; top: 104px; }
.topic-cover img { border-radius: 28px; width: 100%; }
.topic-cover p { color: var(--muted); font-size: 14px; }
.topic-cards { display: grid; gap: 18px; }
.topic-cards article { padding: 28px; border-bottom: 1px solid var(--line); }
.topic-cards h2 { color: var(--ink); margin: 8px 0; font-size: 26px; line-height: 1.35; }
.topic-cards p { color: var(--muted); }
.topic-step { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.topic-step > span { color: var(--brand-soft); font-size: 27px; font-weight: 800; }
.topic-step h2 { margin-top: 0; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { padding: 20px 22px; }
.three-way { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.three-way > div { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.three-way h2 { margin-top: 0; color: var(--ink); }
.three-way p { color: var(--muted); }
.three-way a { color: var(--brand); font-weight: 760; }
.search-modal { position: fixed; inset: 0; z-index: 500; background: rgba(43,37,40,.58); display: grid; place-items: start center; padding: 12vh 20px 20px; }
.search-modal[hidden] { display: none !important; }
.search-panel { position: relative; width: min(680px, 100%); padding: 28px; border-radius: 22px; background: #fff; box-shadow: 0 30px 80px rgba(30, 16, 20, .24); }
.search-panel h2 { margin: 0; color: var(--ink); }
.search-panel p { color: var(--muted); }
.search-close { position: absolute; top: 16px; right: 16px; border: 0; background: var(--bg-soft); width: 38px; height: 38px; border-radius: 50%; font-size: 22px; }
.search-form label { display: block; font-size: 13px; font-weight: 800; color: var(--ink); margin-bottom: 7px; }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.search-row input { min-width: 0; border: 1px solid #DCC9CB; border-radius: 12px; padding: 12px 14px; background: #fff; }
.search-row button { border: 0; border-radius: 12px; background: var(--brand); color: #fff; padding: 0 18px; font-weight: 760; }
.page-search { margin-top: 26px; max-width: 650px; }
.search-results { display: grid; gap: 14px; }
.search-results article { padding: 22px; border: 1px solid var(--line); background: #fff; border-radius: 18px; }
.search-results h2 { margin: 7px 0; color: var(--ink); font-size: 22px; }
.search-results p { color: var(--muted); }
.result-count { color: var(--muted); margin-bottom: 20px; }
.empty-state { text-align: center; padding: 54px 20px; border: 1px dashed #D8C0C3; border-radius: 20px; }
.empty-state h2 { color: var(--ink); }
.empty-state .inline-links { justify-content: center; }
.not-found { padding: 110px 0; text-align: center; }
.error-code { font-size: clamp(70px, 12vw, 150px); line-height: 1; font-weight: 900; color: #E9C5C9; letter-spacing: -.06em; }
.not-found h1 { color: var(--ink); font-size: 42px; }
.not-found .choice-grid { text-align: left; grid-template-columns: repeat(3, 1fr); }
.site-footer { margin-top: 36px; padding: 58px 0 22px; background: var(--ink); color: #EDE3E5; }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(3, .75fr); gap: 40px; }
.footer-grid h2, .footer-grid h3 { color: #fff; }
.footer-grid h2 { margin-top: 0; }
.footer-grid h3 { font-size: 15px; }
.footer-grid p { color: #BCAFB2; max-width: 390px; }
.footer-grid a { display: block; color: #D9CDD0; margin: 8px 0; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 42px; padding-top: 20px; border-top: 1px solid #493F42; color: #9E9295; font-size: 13px; }
.back-top { border: 1px solid #5D5054; color: #D9CDD0; background: transparent; border-radius: 999px; padding: 8px 12px; }
@media (max-width: 1080px) {
    .site-nav { position: absolute; left: 20px; right: 20px; top: 72px; display: none; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
    .site-nav.is-open { display: grid; }
    .site-nav a { padding: 12px 14px; }
    .menu-toggle { display: inline-flex; margin-left: auto; }
    .search-open { margin-left: 0; }
    .hero-grid, .page-hero-grid, .article-hero-grid { gap: 38px; }
    .article-grid { grid-template-columns: 1fr 270px; gap: 42px; }
    .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / span 2; }
}
@media (max-width: 900px) {
    :root { --container: min(100% - 32px, 760px); }
    .hero-grid, .page-hero-grid, .article-hero-grid, .editorial-grid, .device-band, .topic-feature, .two-col, .about-band, .safety-grid, .guide-index, .topic-index, .article-grid { grid-template-columns: 1fr; }
    .hero-media { max-width: 680px; }
    .path-grid { grid-template-columns: 1fr; }
    .path-card { display: grid; grid-template-columns: .42fr .58fr; }
    .path-card img { height: 100%; aspect-ratio: auto; }
    .editorial-image img { min-height: 0; max-height: 480px; }
    .split-heading { grid-template-columns: 1fr; gap: 14px; }
    .article-aside, .guide-index-intro, .topic-cover { position: static; }
    .article-aside { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid > div:last-child { grid-column: auto; }
}
@media (max-width: 640px) {
    :root { --container: calc(100% - 28px); }
    .header-inner { min-height: 68px; gap: 8px; }
    .brand span { display: none; }
    .brand img { width: 40px; height: 40px; }
    .menu-toggle, .search-open { padding: 8px 11px; font-size: 13px; }
    .hero { padding-top: 42px; }
    .hero-copy h1 { font-size: 38px; }
    .section { padding: 54px 0; }
    .path-card { display: block; }
    .editorial-list article { grid-template-columns: 1fr; gap: 8px; }
    .guide-list article { grid-template-columns: 1fr; }
    .faq-grid, .problem-map, .numbered-blocks, .choice-grid, .three-way, .article-aside { grid-template-columns: 1fr; }
    .not-found .choice-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
    .search-row { grid-template-columns: 1fr; }
    .search-row button { min-height: 44px; }
    .topic-step { grid-template-columns: 42px 1fr; }
    .page-hero { padding-top: 38px; }
}
@media (max-width: 390px) {
    .search-open { font-size: 0; }
    .search-open::after { content: "搜索"; font-size: 13px; }
    .hero-actions { align-items: stretch; }
    .hero-actions .button { width: 100%; }
}
