:root {
    --brand: #7C5CFC;
    --brand-soft: #EDE8FF;
    --pink: #E98FB3;
    --ink: #211D2B;
    --text: #302C38;
    --muted: #746E7D;
    --paper: #F8F6FB;
    --paper-2: #EEEAF5;
    --white: #FFFFFF;
    --accent: #F2A33A;
    --line: rgba(48, 44, 56, .14);
    --line-strong: rgba(48, 44, 56, .24);
    --shadow: 0 18px 44px rgba(33, 29, 43, .10);
    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 28px;
    --shell: min(1180px, calc(100% - 48px));
    --narrow: min(820px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.72;
    text-rendering: optimizeLegibility;
}
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--brand); }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
    outline: 3px solid rgba(124, 92, 252, .35);
    outline-offset: 3px;
}
code {
    padding: .15em .42em;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .92em;
}
.shell { width: var(--shell); margin-inline: auto; }
.narrow-reading { width: var(--narrow); }
.section-pad { padding-block: 76px; }
.section-tint { background: var(--paper-2); }
.dark-band { background: var(--ink); color: #F8F6FB; }
.skip-link {
    position: fixed; left: 16px; top: -80px; z-index: 9999;
    padding: 10px 16px; border-radius: 8px; background: var(--ink); color: var(--white);
}
.skip-link:focus { top: 16px; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid rgba(48, 44, 56, .09);
    background: rgba(248, 246, 251, .96);
    backdrop-filter: blur(14px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 11px; margin-right: auto; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand img { width: 44px; height: 44px; object-fit: cover; border-radius: 12px; }
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-size: 18px; letter-spacing: .03em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 11px; }
.primary-nav { display: flex; align-items: center; gap: 4px; }
.primary-nav a {
    position: relative; padding: 9px 11px; border-radius: 8px; color: #57515F; font-size: 14px; font-weight: 650;
}
.primary-nav a:hover { background: var(--brand-soft); color: var(--brand); }
.primary-nav a[aria-current="page"] { color: var(--brand); }
.primary-nav a[aria-current="page"]::after {
    content: ""; position: absolute; left: 12px; right: 12px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--brand);
}
.search-open, .menu-toggle {
    border: 1px solid var(--line-strong); background: var(--white); color: var(--ink); border-radius: 999px;
    padding: 9px 14px; font-weight: 700; font-size: 13px;
}
.search-open:hover, .menu-toggle:hover { border-color: var(--brand); color: var(--brand); }
.menu-toggle { display: none; }
.menu-bars { width: 16px; height: 10px; position: relative; display: inline-block; margin-left: 6px; border-top: 2px solid currentColor; border-bottom: 2px solid currentColor; }
.menu-bars::after { content: ""; position: absolute; left: 0; right: 0; top: 3px; border-top: 2px solid currentColor; }

/* Shared typography */
.eyebrow { margin: 0 0 10px; color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.dark-band .eyebrow { color: #C9BCFF; }
h1, h2, h3 { color: var(--ink); line-height: 1.24; margin-top: 0; }
.dark-band h1, .dark-band h2, .dark-band h3 { color: var(--white); }
h1 { font-size: clamp(36px, 5vw, 64px); letter-spacing: -.03em; }
h2 { font-size: clamp(26px, 3.4vw, 40px); letter-spacing: -.02em; }
h3 { font-size: 20px; }
p { margin-top: 0; }
.lead { max-width: 760px; color: #5B5563; font-size: clamp(17px, 2vw, 20px); line-height: 1.8; }
.dark-band .lead { color: #D9D4E1; }
.section-heading { margin-bottom: 34px; }
.section-heading h2 { max-width: 800px; margin-bottom: 0; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(240px, .65fr); gap: 52px; align-items: end; }
.split-heading > p { margin: 0; color: var(--muted); }
.text-link { display: inline-flex; gap: 8px; align-items: center; color: var(--brand); font-weight: 750; }
.text-link:hover { gap: 12px; }
.text-link.strong { font-size: 16px; }
.section-end { margin-top: 30px; }
.button {
    display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px;
    border: 1px solid var(--brand); border-radius: 999px; background: var(--brand); color: var(--white); font-weight: 800;
}
.button:hover { background: #6848EF; color: var(--white); border-color: #6848EF; }
.button-quiet { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.button-quiet:hover { background: var(--white); color: var(--brand); border-color: var(--brand); }
.button-light { background: var(--white); color: var(--ink); border-color: var(--white); }
.button-light:hover { background: #F0ECF6; color: var(--brand); border-color: #F0ECF6; }
.meta-line { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 10px; }
.meta-line span { padding: 3px 8px; border-radius: 999px; background: var(--paper-2); color: #625B6B; font-size: 11px; font-weight: 750; }
.dark-band .meta-line span { background: rgba(255,255,255,.08); color: #EAE5F0; }
.prose { color: #4D4755; font-size: 17px; }
.prose p { margin: 0 0 1.15em; }
.prose a { color: var(--brand); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.compact-prose { font-size: 16px; }
.long-prose { font-size: 18px; line-height: 1.9; }
.long-prose h2 { margin: 46px 0 18px; font-size: 28px; }

/* Breadcrumbs */
.breadcrumbs { margin-bottom: 34px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 13px; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #B0A8B8; }
.breadcrumbs a:hover { color: var(--brand); }

/* Home */
.home-intro { min-height: 680px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 62px; align-items: center; }
.home-intro-copy h1 { max-width: 760px; margin-bottom: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.intro-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 42px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.intro-facts div { min-width: 0; }
.intro-facts dt { color: var(--muted); font-size: 12px; }
.intro-facts dd { margin: 5px 0 0; color: var(--ink); font-size: 13px; font-weight: 750; }
.home-intro-visual { margin: 0; }
.home-intro-visual img { width: 100%; aspect-ratio: 1.25; object-fit: cover; border-radius: 42% 18% 36% 16% / 18% 34% 20% 30%; box-shadow: var(--shadow); }
.home-intro-visual figcaption { margin: 14px 8px 0; color: var(--muted); font-size: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; }
.feature-item { grid-column: span 4; min-width: 0; }
.feature-item-main { grid-column: span 8; grid-row: span 2; }
.feature-image { display: block; overflow: hidden; border-radius: 18px; background: #DCD7E7; }
.feature-image img { width: 100%; aspect-ratio: 1.45; object-fit: cover; transition: transform .28s ease; }
.feature-item-main .feature-image img { aspect-ratio: 1.64; }
.feature-image:hover img { transform: scale(1.025); }
.feature-copy { padding: 16px 4px 4px; }
.feature-copy h3 { margin-bottom: 9px; font-size: 21px; }
.feature-item-main h3 { font-size: 30px; }
.feature-copy p { color: var(--muted); font-size: 14px; }
.discovery-strip { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.discovery-copy h2 { margin-bottom: 16px; }
.discovery-copy > p:last-child { color: var(--muted); }
.discovery-index { border-top: 1px solid var(--line-strong); }
.discovery-index a { display: grid; grid-template-columns: 170px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.discovery-index strong { color: var(--ink); }
.discovery-index span { color: var(--muted); font-size: 14px; }
.recommendation-band { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.recommendation-copy p:not(.eyebrow) { color: #CFC9D7; }
.mini-list { border-top: 1px solid rgba(255,255,255,.16); }
.mini-list a { display: grid; gap: 5px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.mini-list span { color: #AAA1B5; font-size: 11px; }
.mini-list strong { color: var(--white); font-size: 17px; }
.mini-list a:hover strong { color: #D4C9FF; }
.horizontal-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.work-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.work-thumb { display: block; overflow: hidden; background: var(--paper-2); }
.work-thumb img { width: 100%; aspect-ratio: 1.52; object-fit: cover; transition: transform .28s ease; }
.work-thumb:hover img { transform: scale(1.03); }
.work-card-body { padding: 20px; }
.work-card-body h3 { margin-bottom: 10px; }
.work-card-body p { color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.site-map-block { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: center; }
.site-map-intro > p:not(.eyebrow) { color: var(--muted); }
.site-map-intro img { margin-top: 28px; border-radius: 18px; aspect-ratio: 1.55; object-fit: cover; }
.route-list { border-top: 1px solid var(--line-strong); }
.route-list > a { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.route-list > a > span { color: var(--pink); font-size: 12px; font-weight: 850; letter-spacing: .1em; }
.route-list strong { color: var(--ink); font-size: 19px; }
.route-list p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.topic-pair { display: grid; gap: 26px; }
.topic-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.topic-panel:nth-child(even) img { order: 2; }
.topic-panel img { width: 100%; aspect-ratio: 1.45; object-fit: cover; border-radius: 18px; }
.topic-panel p:not(.eyebrow) { color: var(--muted); }
.editorial-note { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; border-top: 1px solid var(--line); }

/* Generic page heroes */
.page-hero { padding-top: 54px; padding-bottom: 62px; }
.compact-hero { padding-bottom: 40px; }
.page-hero-grid { display: grid; grid-template-columns: 1fr 320px; gap: 60px; align-items: end; }
.hero-note { padding: 24px; border-radius: 18px; background: var(--ink); color: #D8D1DF; }
.hero-note strong { display: block; margin-bottom: 8px; color: var(--white); font-size: 20px; }
.hero-note p { margin: 0; font-size: 13px; }
.recommend-hero-grid, .index-hero-grid, .site-hero-layout, .guide-hero-grid, .faq-hero-grid, .info-hero-grid, .search-hero-grid {
    display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: 54px; align-items: center;
}
.recommend-hero-grid img, .index-hero-grid img, .site-hero-layout img, .guide-hero-grid img, .faq-hero-grid img, .info-hero-grid img, .search-hero-grid img {
    width: 100%; aspect-ratio: 1.46; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow);
}

/* Filters and listings */
.filter-zone { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.filter-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 20px; }
.filter-head h2 { margin-bottom: 0; font-size: 26px; }
.reset-link { color: var(--brand); font-weight: 750; font-size: 13px; }
.filter-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) auto; gap: 12px; align-items: end; }
.filter-form label { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
.filter-form select { width: 100%; min-height: 44px; padding: 8px 38px 8px 12px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--paper); color: var(--ink); }
.filter-form button { min-height: 44px; padding: 8px 20px; border: 0; border-radius: 10px; background: var(--brand); color: var(--white); font-weight: 800; }
.filter-result { margin: 15px 0 0; color: var(--muted); font-size: 13px; }
.dense-work-list { border-top: 1px solid var(--line-strong); }
.dense-work-row { display: grid; grid-template-columns: 250px 1fr; gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.dense-thumb { overflow: hidden; border-radius: 14px; background: var(--paper-2); }
.dense-thumb img { width: 100%; height: 100%; min-height: 178px; object-fit: cover; }
.dense-copy h2 { margin-bottom: 10px; font-size: 24px; }
.dense-copy > p { margin-bottom: 14px; color: var(--muted); }
.dense-bottom { display: flex; justify-content: space-between; gap: 26px; align-items: end; }
.dense-bottom > span { max-width: 75%; color: #665F70; font-size: 13px; }
.pagination { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 7px; margin-top: 38px; }
.page-link { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; padding: 0 11px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); font-size: 13px; font-weight: 750; }
.page-link.is-current { background: var(--ink); color: var(--white); border-color: var(--ink); }
.page-gap { color: var(--muted); }
.empty-state { padding: 52px; border: 1px dashed var(--line-strong); border-radius: var(--radius); background: var(--white); text-align: center; }
.empty-state h2 { margin-bottom: 12px; }
.empty-state p { max-width: 620px; margin: 0 auto 24px; color: var(--muted); }
.two-column-reading { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; }
.two-column-reading > div:first-child > p:last-child { color: var(--muted); }
.link-stack { border-top: 1px solid var(--line-strong); }
.link-stack a { display: grid; gap: 4px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.link-stack strong { color: var(--ink); }
.link-stack span { color: var(--muted); font-size: 13px; }

/* Recommend */
.reason-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.reason-steps li { display: grid; grid-template-columns: 70px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.reason-steps > li > span { color: var(--pink); font-weight: 850; letter-spacing: .12em; }
.reason-steps h3 { margin-bottom: 6px; }
.reason-steps p { margin: 0; color: var(--muted); }
.recommendation-group { display: grid; grid-template-columns: .65fr 1.35fr; gap: 60px; align-items: start; }
.group-intro { position: sticky; top: 110px; }
.group-intro > p:not(.eyebrow) { color: var(--muted); }
.group-intro img { margin-top: 24px; border-radius: 18px; }
.editorial-list { border-top: 1px solid var(--line-strong); }
.editorial-list article { padding: 22px 0; border-bottom: 1px solid var(--line); }
.editorial-list h3 { margin-bottom: 8px; }
.editorial-list p { color: var(--muted); font-size: 14px; }
.reverse-group { grid-template-columns: .8fr 1.2fr; }
.stacked-picks { display: grid; gap: 12px; }
.stacked-picks a { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.stacked-picks span { color: var(--brand); font-size: 11px; font-weight: 750; }
.stacked-picks strong { display: block; margin: 6px 0 7px; color: var(--ink); font-size: 18px; }
.stacked-picks p { margin: 0; color: var(--muted); font-size: 13px; }
.split-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-feature > div:first-child > p:not(.eyebrow) { color: #CEC8D6; }
.dark-list { border-top: 1px solid rgba(255,255,255,.16); }
.dark-list a { display: grid; grid-template-columns: 1fr auto; gap: 5px 20px; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.dark-list small { grid-column: 1 / -1; color: #AFA6BA; }
.dark-list strong { color: var(--white); }
.dark-list span { color: #C9BCFF; font-size: 12px; }
.masonry-picks { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.masonry-pick { grid-column: span 4; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.masonry-pick.wide-pick { grid-column: span 6; }
.masonry-pick img { width: 100%; aspect-ratio: 1.5; object-fit: cover; }
.masonry-pick > div { padding: 18px; }
.masonry-pick span { color: var(--brand); font-size: 11px; font-weight: 800; }
.masonry-pick h3 { margin: 5px 0 8px; }
.masonry-pick p { margin: 0; color: var(--muted); font-size: 13px; }

/* Works index */
.taxonomy-section { padding-bottom: 64px; }
.taxonomy-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.taxonomy-grid a { min-height: 170px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.taxonomy-grid strong { color: var(--ink); }
.taxonomy-grid span { float: right; color: var(--pink); font-size: 11px; font-weight: 800; }
.taxonomy-grid p { clear: both; margin: 24px 0 0; color: var(--muted); font-size: 13px; }
.index-summary { display: flex; align-items: baseline; gap: 8px; margin: 34px 0 16px; }
.index-summary strong { color: var(--ink); font-size: 28px; }
.index-summary span { color: var(--muted); }
.index-summary p { margin: 0 0 0 auto; color: var(--muted); font-size: 12px; }
.compact-index-list { border-top: 1px solid var(--line-strong); }
.compact-index-list article { display: grid; grid-template-columns: 60px 1fr 42px; gap: 20px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.index-number { color: #A29AA9; font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.index-main h3 { margin-bottom: 7px; }
.index-main p { margin: 0; color: var(--muted); font-size: 13px; }
.index-arrow { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
.index-arrow:hover { background: var(--brand); color: var(--white); border-color: var(--brand); }

/* Site navigation */
.route-overview { padding-top: 20px; }
.route-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.route-cards article { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.route-cards article > span { display: inline-block; margin-bottom: 28px; color: var(--pink); font-size: 12px; font-weight: 850; }
.route-cards h3 { font-size: 24px; }
.route-cards p { color: var(--muted); }
.hierarchy-block { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.hierarchy-main > p:not(.eyebrow) { color: var(--muted); }
.topic-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hierarchy-visual img { width: 100%; aspect-ratio: 1.5; object-fit: cover; border-radius: 22px; }
.intent-table { border-top: 1px solid var(--line-strong); }
.intent-row { display: grid; grid-template-columns: 1.05fr .75fr 1.35fr; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.intent-row a { color: var(--brand); font-weight: 800; }
.intent-head { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.assistance-links { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.assistance-links > div p:not(.eyebrow) { color: #CFC8D7; }
.assistance-links nav { border-top: 1px solid rgba(255,255,255,.16); }
.assistance-links nav a { display: block; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.13); color: var(--white); }
.assistance-links nav a:hover { color: #C9BCFF; }

/* Topic pages */
.topic-hero { padding-top: 54px; padding-bottom: 70px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr); gap: 56px; align-items: center; }
.topic-hero .breadcrumbs { grid-column: 1 / -1; margin-bottom: -8px; }
.topic-hero-copy .lead { margin-bottom: 0; }
.topic-hero figure { margin: 0; }
.topic-hero figure img { width: 100%; aspect-ratio: 1.5; object-fit: cover; border-radius: 20px; }
.topic-hero figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; }
.creation-process { display: grid; grid-template-columns: .7fr 1.3fr; gap: 64px; }
.creation-process .section-heading { margin: 0; }
.creation-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.creation-steps li { display: grid; grid-template-columns: 55px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.creation-steps > li > span { color: var(--pink); font-weight: 850; }
.creation-steps h3 { margin-bottom: 7px; }
.creation-steps p { margin: 0; color: var(--muted); }
.craft-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.craft-grid article { padding: 24px; border-left: 3px solid var(--brand); background: var(--white); box-shadow: 0 10px 28px rgba(33,29,43,.06); }
.craft-grid h3 { margin-bottom: 8px; }
.craft-grid p { margin: 0; color: var(--muted); }
.storyboard-section { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.storyboard-section > div > p:not(.eyebrow) { color: #CFC8D7; }
.storyboard-section img { width: 100%; aspect-ratio: 1.45; object-fit: cover; border-radius: 20px; }
.check-list { margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 10px 0 10px 24px; border-bottom: 1px solid rgba(255,255,255,.12); color: #E5E0E9; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: #C9BCFF; }
.three-d-notes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.three-d-notes article { padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.three-d-notes span { color: var(--pink); font-size: 12px; font-weight: 850; }
.three-d-notes h3 { margin: 26px 0 10px; }
.three-d-notes p { margin: 0; color: var(--muted); font-size: 13px; }
.lens-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.lens-layout img { width: 100%; aspect-ratio: 1.48; object-fit: cover; border-radius: 22px; }
.material-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; }
.material-grid > div:first-child > p:not(.eyebrow) { color: #CFC8D7; }
.material-points { display: grid; gap: 12px; }
.material-points article { padding: 18px 20px; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; }
.material-points strong { color: #C9BCFF; }
.material-points p { margin: 5px 0 0; color: #D5CFDC; font-size: 13px; }

/* Work detail */
.work-article-header { padding-top: 52px; }
.work-header-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); gap: 54px; align-items: center; }
.work-title-block h1 { font-size: clamp(38px, 5vw, 60px); }
.work-header-grid figure { margin: 0; }
.work-header-grid figure img { width: 100%; aspect-ratio: 1.46; object-fit: cover; border-radius: 22px; }
.work-header-grid figcaption { margin-top: 9px; color: var(--muted); font-size: 11px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.tag-row span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 12px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 70px; align-items: start; }
.reading-note { margin-bottom: 34px; padding: 24px; border-left: 4px solid var(--accent); background: #FFF8EC; }
.reading-note strong { color: var(--ink); }
.reading-note p { margin: 6px 0 0; color: #665C4F; }
.practical-tip { margin-top: 34px; padding: 26px; border-radius: 18px; background: var(--brand-soft); }
.practical-tip span { color: var(--brand); font-size: 12px; font-weight: 850; letter-spacing: .08em; }
.practical-tip p { margin: 8px 0 0; color: #544C65; }
.article-side { position: sticky; top: 105px; display: grid; gap: 16px; }
.side-card { padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: var(--white); }
.side-card dl { margin: 0; }
.side-card dl div { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.side-card dl div:last-child { border-bottom: 0; }
.side-card dt { color: var(--muted); font-size: 12px; }
.side-card dd { margin: 0; color: var(--ink); font-size: 12px; font-weight: 750; text-align: right; }
.side-card > a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--brand); font-size: 13px; font-weight: 700; }
.side-card > a:last-child { border-bottom: 0; }
.related-section .work-card { background: var(--paper); }
.article-next { display: grid; grid-template-columns: .75fr 1.25fr; gap: 60px; border-top: 1px solid var(--line); }
.article-next nav { border-top: 1px solid var(--line-strong); }
.article-next nav a { display: grid; gap: 3px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.article-next strong { color: var(--ink); }
.article-next span { color: var(--muted); font-size: 12px; }

/* Guides and FAQ */
.guide-basics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.guide-basics-grid article { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.guide-basics-grid article > strong { color: var(--pink); font-size: 12px; }
.guide-basics-grid h3 { margin: 22px 0 10px; }
.guide-basics-grid p { color: var(--muted); font-size: 14px; }
.guide-basics-grid a { color: var(--brand); font-size: 13px; font-weight: 800; }
.search-guide-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.search-guide-layout img { width: 100%; aspect-ratio: 1.45; object-fit: cover; border-radius: 20px; }
.inline-search { margin-top: 24px; }
.inline-search label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 750; }
.inline-search > div { display: flex; gap: 8px; }
.inline-search input { min-width: 0; flex: 1; padding: 11px 13px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--white); }
.inline-search button { border: 0; border-radius: 10px; padding: 10px 16px; background: var(--brand); color: var(--white); font-weight: 800; }
.guide-accordion-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; align-items: start; }
.guide-category { border-top: 3px solid var(--ink); }
.guide-category > h2 { margin: 16px 0 8px; font-size: 22px; }
.guide-category article { padding: 18px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 100px; }
.guide-category h3 { margin-bottom: 8px; font-size: 17px; }
.guide-category p { margin: 0; color: var(--muted); font-size: 14px; }
.guidance-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.guidance-bottom > div > p:not(.eyebrow) { color: #CFC8D7; }
.guidance-bottom nav { border-top: 1px solid rgba(255,255,255,.16); }
.guidance-bottom nav a { display: block; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.13); color: var(--white); }
.guidance-bottom nav a:hover { color: #C9BCFF; }
.faq-list { max-width: 920px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line-strong); }
.faq-item h2 { margin: 0; }
.faq-item button { width: 100%; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 22px 0; border: 0; background: transparent; color: var(--ink); text-align: left; font-size: 19px; font-weight: 800; }
.faq-item button span:last-child { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--brand); }
.faq-answer { padding: 0 50px 24px 0; color: var(--muted); font-size: 15px; }
.faq-answer p { margin: 0; }

/* Info pages */
.info-sections { display: grid; gap: 58px; max-width: 920px; }
.info-sections article { padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.info-sections article:last-child { border-bottom: 0; padding-bottom: 0; }
.info-sections h2 { max-width: 760px; }
.safety-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.safety-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.safety-grid span { color: var(--pink); font-size: 11px; font-weight: 850; }
.safety-grid h2 { margin: 26px 0 10px; font-size: 22px; }
.safety-grid p { margin: 0; color: var(--muted); }
.contact-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 58px; align-items: start; }
.contact-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.contact-items article { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.contact-items strong { color: var(--ink); }
.contact-items p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.contact-side { padding: 26px; border-radius: 18px; background: var(--ink); color: #D9D3E0; }
.contact-side ol { margin: 0; padding-left: 20px; }
.contact-side li { padding: 7px 0; }
.contact-note { margin: 24px 0 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); color: #BDB4C7; font-size: 12px; }

/* Search results */
.search-page-form { max-width: 800px; margin-top: 34px; }
.search-page-form label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 750; }
.search-page-form > div { display: flex; gap: 8px; }
.search-page-form input { min-width: 0; flex: 1; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--white); }
.search-page-form button { min-height: 48px; padding: 10px 18px; border: 0; border-radius: 10px; background: var(--brand); color: var(--white); font-weight: 800; }
.search-empty-intro { max-width: 780px; }
.search-empty-intro > p { color: var(--muted); }
.search-suggestions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.search-suggestions a { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); color: var(--brand); font-size: 13px; }
.search-result-head { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; margin-bottom: 18px; }
.search-result-head h2 { margin: 0; }
.search-result-head p { margin: 0; color: var(--muted); }
.search-results { border-top: 1px solid var(--line-strong); }
.search-results article { display: grid; grid-template-columns: 110px 1fr; gap: 4px 22px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.search-results article > span { grid-row: 1 / span 3; color: var(--pink); font-size: 11px; font-weight: 800; }
.search-results h3 { margin: 0; }
.search-results p { margin: 6px 0; color: var(--muted); font-size: 14px; }

/* 404 */
.not-found { min-height: 66vh; display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: center; padding-block: 80px; }
.not-found-code { color: var(--paper-2); font-size: clamp(120px, 20vw, 280px); font-weight: 900; line-height: .8; letter-spacing: -.09em; }
.not-found-copy { max-width: 660px; }
.not-found-links { display: flex; flex-wrap: wrap; gap: 9px 16px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.not-found-links a { color: var(--brand); font-size: 13px; font-weight: 750; }

/* Footer */
.site-footer { padding-top: 56px; background: #18151F; color: #C9C2D0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 42px; padding-bottom: 46px; }
.footer-grid h2 { margin-bottom: 14px; color: var(--white); font-size: 15px; }
.footer-intro p { max-width: 390px; color: #AFA7B8; font-size: 13px; }
.footer-brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand-row img { border-radius: 10px; }
.footer-brand-row h2 { margin: 0; font-size: 19px; }
.footer-grid ul { margin: 0; padding: 0; list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: #C9C2D0; font-size: 13px; }
.footer-grid a:hover { color: #D5CAFF; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 18px; border-top: 1px solid rgba(255,255,255,.10); color: #8E8597; font-size: 12px; }
.footer-bottom p { margin: 0; }

/* Search modal */
.search-modal[hidden] { display: none !important; }
.search-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: start center; padding: 10vh 24px 24px; }
.search-backdrop { position: absolute; inset: 0; background: rgba(25, 21, 32, .74); }
.search-panel { position: relative; width: min(700px, 100%); padding: 30px; border-radius: 22px; background: var(--paper); box-shadow: 0 28px 90px rgba(0,0,0,.28); }
.search-heading { display: flex; justify-content: space-between; gap: 20px; align-items: start; margin-bottom: 22px; }
.search-heading h2 { margin-bottom: 0; font-size: 27px; }
.icon-button { border: 1px solid var(--line); border-radius: 999px; background: var(--white); padding: 7px 11px; color: var(--muted); font-size: 12px; }
.search-form label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
.search-input-row { display: flex; gap: 8px; }
.search-input-row input { min-width: 0; flex: 1; min-height: 48px; padding: 10px 13px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--white); }
.search-input-row button { min-height: 48px; border: 0; border-radius: 10px; padding: 10px 18px; background: var(--brand); color: var(--white); font-weight: 800; }
.search-shortcuts { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.search-shortcuts a { padding: 6px 9px; border-radius: 999px; background: var(--paper-2); color: var(--brand); font-size: 12px; }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 80; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); color: var(--ink); box-shadow: var(--shadow); }

/* Responsive */
@media (max-width: 1100px) {
    :root { --shell: min(100% - 40px, 1040px); --narrow: min(100% - 40px, 800px); }
    .primary-nav { gap: 0; }
    .primary-nav a { padding-inline: 8px; font-size: 13px; }
    .home-intro { gap: 42px; }
    .feature-item { grid-column: span 6; }
    .feature-item-main { grid-column: span 12; }
    .three-d-notes { grid-template-columns: repeat(3, 1fr); }
    .taxonomy-grid { grid-template-columns: repeat(3, 1fr); }
    .horizontal-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .header-inner { min-height: 68px; }
    .menu-toggle { display: inline-flex; align-items: center; }
    .primary-nav {
        display: none; position: absolute; left: 20px; right: 20px; top: 68px; padding: 12px;
        border: 1px solid var(--line); border-radius: 14px; background: var(--paper); box-shadow: var(--shadow);
    }
    .primary-nav.is-open { display: grid; }
    .primary-nav a { padding: 12px; }
    .primary-nav a[aria-current="page"]::after { display: none; }
    .brand-copy small { display: none; }
    .home-intro, .recommend-hero-grid, .index-hero-grid, .site-hero-layout, .guide-hero-grid, .faq-hero-grid, .info-hero-grid, .search-hero-grid,
    .topic-hero, .work-header-grid, .site-map-block, .recommendation-band, .discovery-strip, .editorial-note, .two-column-reading,
    .recommendation-group, .reverse-group, .split-feature, .hierarchy-block, .assistance-links, .creation-process, .storyboard-section,
    .lens-layout, .material-grid, .article-layout, .article-next, .search-guide-layout, .guidance-bottom, .contact-layout, .not-found {
        grid-template-columns: 1fr;
    }
    .topic-hero .breadcrumbs { grid-column: auto; }
    .group-intro, .article-side { position: static; }
    .page-hero-grid { grid-template-columns: 1fr; }
    .hero-note { max-width: 620px; }
    .filter-form { grid-template-columns: repeat(2, 1fr); }
    .filter-form button { min-height: 46px; }
    .dense-work-row { grid-template-columns: 210px 1fr; }
    .taxonomy-grid { grid-template-columns: repeat(2, 1fr); }
    .three-d-notes { grid-template-columns: repeat(2, 1fr); }
    .route-cards, .craft-grid, .safety-grid, .contact-items, .guide-accordion-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .masonry-pick, .masonry-pick.wide-pick { grid-column: span 6; }
    .article-side { display: grid; grid-template-columns: repeat(2, 1fr); }
    .topic-panel { grid-template-columns: .9fr 1.1fr; }
    .topic-panel:nth-child(even) img { order: initial; }
}

@media (max-width: 680px) {
    :root { --shell: calc(100% - 28px); --narrow: calc(100% - 28px); --radius-lg: 20px; }
    .section-pad { padding-block: 54px; }
    .site-header { position: sticky; }
    .header-inner { gap: 9px; }
    .brand img { width: 38px; height: 38px; }
    .brand-copy strong { font-size: 16px; }
    .search-open { padding: 8px 10px; font-size: 0; }
    .search-open::after { content: "搜索"; font-size: 12px; }
    .menu-toggle { padding: 8px 10px; }
    h1 { font-size: clamp(33px, 10vw, 46px); }
    h2 { font-size: 27px; }
    .lead { font-size: 16px; }
    .split-heading { grid-template-columns: 1fr; gap: 10px; }
    .home-intro { min-height: 0; padding-top: 48px; }
    .home-intro-visual { max-width: 520px; }
    .intro-facts { grid-template-columns: 1fr; gap: 10px; }
    .feature-item, .feature-item-main { grid-column: span 12; grid-row: auto; }
    .feature-item-main h3 { font-size: 23px; }
    .discovery-index a { grid-template-columns: 1fr; gap: 4px; }
    .horizontal-cards { grid-template-columns: 1fr; }
    .topic-panel { grid-template-columns: 1fr; padding: 22px; }
    .filter-zone { padding: 20px; }
    .filter-head { align-items: start; flex-direction: column; gap: 8px; }
    .filter-form { grid-template-columns: 1fr; }
    .dense-work-row { grid-template-columns: 1fr; gap: 16px; }
    .dense-thumb img { min-height: 0; aspect-ratio: 1.55; }
    .dense-bottom { align-items: start; flex-direction: column; gap: 10px; }
    .dense-bottom > span { max-width: none; }
    .taxonomy-grid { grid-template-columns: 1fr; }
    .compact-index-list article { grid-template-columns: 42px 1fr; }
    .index-arrow { display: none; }
    .intent-row { grid-template-columns: 1fr; gap: 5px; padding: 18px 0; }
    .intent-head { display: none; }
    .intent-row span:nth-child(2)::before { content: "对应页面："; color: var(--muted); font-weight: 400; }
    .three-d-notes { grid-template-columns: 1fr; }
    .masonry-pick, .masonry-pick.wide-pick { grid-column: span 12; }
    .article-side { grid-template-columns: 1fr; }
    .article-layout { gap: 42px; }
    .guide-basics-grid { grid-template-columns: 1fr; }
    .inline-search > div, .search-page-form > div, .search-input-row { flex-direction: column; }
    .faq-answer { padding-right: 0; }
    .search-results article { grid-template-columns: 1fr; }
    .search-results article > span { grid-row: auto; }
    .not-found { padding-block: 52px; gap: 20px; }
    .not-found-code { font-size: 120px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .footer-bottom { align-items: start; flex-direction: column; }
    .search-modal { padding: 4vh 14px 14px; }
    .search-panel { padding: 22px; }
}

@media (max-width: 420px) {
    :root { --shell: calc(100% - 22px); --narrow: calc(100% - 22px); }
    .brand-copy { display: none; }
    .menu-toggle { margin-left: auto; }
    .page-hero { padding-top: 36px; }
    .breadcrumbs { margin-bottom: 24px; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .route-cards article, .safety-grid article, .contact-items article { padding: 22px; }
    .empty-state { padding: 34px 20px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}