:root {
    --ink: #17263b;
    --muted: #627086;
    --paper: #f5f7fa;
    --line: #dfe5ed;
    --yellow: #ffda42;
    --blue: #3158dc;
    --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; font-size: 16px; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
button, input { font: inherit; }
button, .button { cursor: pointer; }
button { color: inherit; }
img { display: block; width: 100%; object-fit: cover; background: #e3e9f0; }
button, a, input { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
h1, h2, h3, p, figure { margin: 0; }
h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.25; letter-spacing: -.04em; }
h2 { font-size: 27px; line-height: 1.4; }
h3 { font-size: 18px; line-height: 1.5; }
p + p { margin-top: 16px; }
.wrap { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.icon { width: 21px; height: 21px; flex: 0 0 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.skip { position: absolute; left: 20px; top: -100px; z-index: 9; padding: 12px; background: white; }
.skip:focus { top: 10px; }
.site-header { background: white; border-bottom: 1px solid var(--line); }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 900; letter-spacing: -1px; white-space: nowrap; }
.brand img { width: 43px; height: 43px; background: none; }
.small { color: var(--muted); font-size: 14px; }
.search-form { display: flex; gap: 8px; align-items: center; width: 340px; padding: 8px 12px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.search-form input { min-width: 0; width: 100%; border: 0; outline: 0; background: transparent; }
.search-form button { border: 0; padding: 4px; background: transparent; }
.header-tools { display: flex; align-items: center; gap: 24px; }
.nav { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; padding-bottom: 12px; }
.nav a { display: flex; justify-content: center; gap: 8px; align-items: center; padding: 11px 6px; border-radius: 8px; font-size: 15px; white-space: nowrap; }
.nav a.active { background: var(--ink); color: white; }
.nav a:hover:not(.active) { background: var(--paper); }
main { padding-bottom: 64px; }
.module { margin-top: 64px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; }
.section-head h2 { display: flex; align-items: center; gap: 12px; }
.section-head h2 .icon { color: var(--blue); width: 25px; height: 25px; }
.section-head > a { font-size: 14px; white-space: nowrap; }
.eyebrow { display: block; font-size: 13px; font-weight: 800; letter-spacing: .15em; margin-bottom: 14px; }
.hero { margin-top: 32px; display: grid; grid-template-columns: 1.05fr 1fr; border-radius: 24px; overflow: hidden; background: var(--ink); color: white; }
.hero-copy { padding: 40px; align-self: center; }
.hero .eyebrow { color: var(--yellow); }
.hero h1 { margin-bottom: 20px; }
.hero h1 a:hover { color: var(--yellow); }
.hero p { color: #d3dcea; max-width: 510px; }
.hero-art { position: relative; min-height: 370px; }
.hero-art img { height: 100%; position: absolute; inset: 0; aspect-ratio: 4/3; }
.hero-caption { position: absolute; bottom: 24px; left: 24px; right: 24px; padding: 18px 22px; background: #17263bec; border-radius: 12px; }
.hero-caption h2 { font-size: 23px; }
.hero-caption p { font-size: 14px; margin-top: 6px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 19px; border: 1px solid var(--line); border-radius: 9px; background: white; font-weight: 700; }
.button.primary { background: var(--yellow); color: var(--ink); border-color: var(--yellow); }
.button.dark { background: var(--ink); color: white; border-color: var(--ink); }
.hero .button.ghost { background: transparent; color: white; border-color: #64728a; }
.quickbar { display: grid; grid-template-columns: repeat(4, 1fr); padding: 22px 0; border-bottom: 1px solid var(--line); gap: 16px; }
.quickbar a { display: flex; gap: 12px; align-items: center; font-weight: 700; }
.quickbar .icon { color: var(--blue); }
.quickbar small { display: block; font-size: 13px; color: var(--muted); font-weight: 400; }
.shelf-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; }
.cover { position: relative; overflow: hidden; border-radius: 11px; }
.cover img { aspect-ratio: 3/4; transition: transform .3s; }
.book-card:hover img { transform: scale(1.035); }
.badge { display: inline-block; padding: 3px 9px; background: var(--yellow); color: var(--ink); border-radius: 5px; font-size: 12px; font-weight: 700; }
.cover .badge { position: absolute; bottom: 10px; left: 10px; }
.book-card h3 { margin-top: 12px; font-size: 16px; }
.book-card p { font-size: 13px; color: var(--muted); margin-top: 5px; }
.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.category-card { padding: 25px; border: 1px solid var(--line); background: white; border-radius: 14px; }
.category-card .icon { width: 30px; height: 30px; color: var(--blue); margin-bottom: 18px; }
.category-card h3 { margin-bottom: 8px; }
.category-card p { font-size: 14px; color: var(--muted); }
.category-card:hover { border-color: var(--blue); }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: #e9edf7; border-radius: var(--radius); overflow: hidden; }
.feature img { height: 100%; aspect-ratio: 4/3; }
.feature-copy { padding: 36px; align-self: center; }
.feature-copy h2 { font-size: 32px; margin: 12px 0 16px; }
.rank-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 36px; }
.rank-row { display: flex; align-items: center; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.rank-row > strong { width: 42px; font: italic 800 36px Georgia,serif; color: var(--blue); }
.rank-row img { width: 64px; aspect-ratio: 3/4; border-radius: 6px; }
.rank-row p { color: var(--muted); font-size: 14px; }
.rank-row > div { flex: 1; }
.rank-note { margin-top: 16px; font-size: 14px; color: var(--muted); }
.korean-band { background: var(--ink); color: white; border-radius: var(--radius); padding: 32px; }
.korean-band .section-head .icon, .korean-band a:hover { color: var(--yellow); }
.strip-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; }
.strip img { aspect-ratio: 4/5; border-radius: 80px 80px 8px 8px; }
.strip h3 { margin-top: 16px; }
.strip p { color: #bdc9da; font-size: 14px; }
.timeline { background: white; border: 1px solid var(--line); border-radius: 14px; padding: 8px 28px; }
.update-row { display: grid; grid-template-columns: 115px 1fr 1fr auto; align-items: center; gap: 16px; padding: 20px 0; }
.update-row + .update-row { border-top: 1px dashed var(--line); }
.update-row time { font-size: 14px; color: var(--muted); }
.update-row > a:last-child { color: var(--blue); font-size: 14px; }
.finish-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.finish-card { background: white; border-radius: 12px; padding: 18px; display: flex; gap: 18px; border-top: 4px solid var(--yellow); }
.finish-card img { width: 96px; aspect-ratio: 3/4; border-radius: 6px; align-self: flex-start; }
.finish-card p { font-size: 14px; color: var(--muted); margin-top: 8px; }
.journey-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.journey { position: relative; background: #203746; color: white; border-radius: 16px; overflow: hidden; }
.journey img { aspect-ratio: 4/3; opacity: .65; }
.journey div { padding: 24px; }
.journey .eyebrow { color: var(--yellow); }
.journey p { font-size: 14px; color: #d8e5ec; margin-top: 8px; }
.bookshelf-banner { display: flex; gap: 32px; justify-content: space-between; align-items: center; padding: 34px; border: 2px dashed #b4c0d5; border-radius: 14px; }
.bookshelf-banner p { margin-top: 10px; color: var(--muted); }
.bookshelf-banner .button { flex-shrink: 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; }
.about-grid h2 { font-size: 36px; margin-bottom: 20px; }
.about-grid p { color: var(--muted); }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.about-points article { padding-top: 20px; border-top: 2px solid var(--ink); }
.about-points p { font-size: 14px; margin-top: 8px; }
.faq details { border-top: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { color: var(--muted); margin-top: 12px; }
.subscribe { background: var(--yellow); padding: 38px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-radius: var(--radius); }
.subscribe p { margin-top: 10px; max-width: 760px; }
.brand-tile { width: 120px; height: 120px; flex: 0 0 120px; padding: 20px; border: 2px solid var(--ink); border-radius: 22px; }
.brand-tile img { background: transparent; }
.site-footer { background: white; padding: 30px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--muted); padding: 24px 0; }
.page-intro { padding: 36px; border-radius: var(--radius); background: var(--ink); color: white; margin-bottom: 36px; }
.page-intro h1 { font-size: 38px; margin-bottom: 16px; }
.page-intro p { max-width: 860px; color: #d1dbe9; }
.detail { display: grid; grid-template-columns: 230px 1fr; gap: 36px; background: white; padding: 36px; border: 1px solid var(--line); border-radius: var(--radius); }
.detail > img { aspect-ratio: 3/4; border-radius: 10px; }
.detail h1 { font-size: 36px; margin: 14px 0; }
.metadata { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.chapter-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.chapter-list a { padding: 24px; background: white; border: 1px solid var(--line); border-radius: 10px; }
.reading { max-width: 860px; margin-inline: auto; }
.reading-head h1 { font-size: 32px; margin: 12px 0 20px; }
.reader-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 18px 0; }
.reader-tools button { border: 1px solid var(--line); border-radius: 7px; padding: 8px 14px; background: white; }
.reading-note { font-size: 14px; background: #e9eef8; border-left: 4px solid var(--blue); padding: 18px; margin: 18px 0 32px; }
.panel { background: white; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-bottom: 28px; }
.panel img { aspect-ratio: 4/3; }
.panel figcaption { padding: 28px 32px; font-size: var(--read-size, 18px); line-height: 2; }
.panel figcaption h2 { font-size: 16px; color: var(--blue); margin-bottom: 12px; }
.chapter-end { text-align: center; padding: 32px; border-top: 1px dashed var(--muted); }
.reading-nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
body.night { --ink: #e0e8f5; --muted: #aebbd0; --paper: #141c29; --line: #394357; background: var(--paper); }
.night .site-header, .night .site-footer, .night .panel, .night .reader-tools button, .night .button { background: #202c40; color: #e0e8f5; }
.night .reading-note { background: #24334d; }
.night .nav a.active { background: #354e7a; }
.library-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.library-item { display: flex; justify-content: space-between; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 10px; background: white; }
.notice { padding: 28px; background: white; border: 1px solid var(--line); border-radius: 12px; }
.text-page { max-width: 860px; }
.text-page h2 { margin: 32px 0 16px; }
.text-page ul { padding-left: 24px; }
.toast { position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%); padding: 12px 20px; background: #17263b; color: white; box-shadow: 0 6px 28px #0003; border-radius: 9px; z-index: 20; max-width: calc(100% - 32px); }
[hidden] { display: none !important; }
@media (max-width: 1000px) {
    .header-tools { gap: 14px; }
    .search-form { width: 260px; }
    .nav a { font-size: 14px; gap: 5px; }
    .nav .icon { width: 17px; flex-basis: 17px; }
    .hero-copy { padding: 30px; }
    .shelf-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .finish-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .journey-grid { gap: 14px; }
    .about-grid { gap: 30px; }
}
@media (max-width: 700px) {
    .wrap { width: calc(100% - 32px); }
    .topbar { flex-wrap: wrap; gap: 16px; padding: 18px 0; }
    .brand { font-size: 22px; }
    .header-tools { width: 100%; }
    .search-form { width: auto; flex: 1; }
    .header-tools > a { white-space: nowrap; font-size: 14px; }
    .nav { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 5px; }
    .nav a { padding: 9px 3px; font-size: 13px; }
    .nav .icon { width: 16px; height: 16px; flex-basis: 16px; }
    .hero { grid-template-columns: 1fr; margin-top: 24px; }
    .hero-copy { padding: 28px 24px; }
    .hero-art { min-height: 260px; }
    .hero-caption { bottom: 16px; left: 16px; right: 16px; }
    .hero h1 { font-size: 40px; }
    .quickbar { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 12px; }
    .quickbar a { font-size: 14px; }
    .quickbar small { font-size: 12px; }
    .module { margin-top: 44px; }
    h2 { font-size: 23px; }
    .section-head { gap: 12px; margin-bottom: 20px; }
    .section-head h2 { gap: 8px; }
    .section-head > a { font-size: 13px; }
    .shelf-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 16px; }
    .category-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
    .category-card { padding: 20px 16px; }
    .feature { grid-template-columns: 1fr; }
    .feature-copy { padding: 26px; }
    .feature-copy h2 { font-size: 28px; }
    .rank-grid { grid-template-columns: 1fr; }
    .korean-band { padding: 22px 16px; }
    .strip-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 16px; }
    .timeline { padding: 8px 16px; }
    .update-row { grid-template-columns: 1fr auto; gap: 5px 12px; }
    .update-row time { order: 3; }
    .update-row > span { font-size: 14px; order: 4; }
    .finish-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
    .finish-card { display: block; padding: 12px; }
    .finish-card img { width: 100%; aspect-ratio: 3/4; margin-bottom: 12px; }
    .finish-card h3 { font-size: 16px; }
    .journey-grid { grid-template-columns: 1fr; }
    .journey div { padding: 22px; }
    .bookshelf-banner { flex-direction: column; align-items: flex-start; padding: 24px; gap: 20px; }
    .about-grid { grid-template-columns: 1fr; }
    .about-grid h2 { font-size: 30px; }
    .subscribe { padding: 26px; align-items: flex-start; }
    .brand-tile { display: none; }
    .page-intro { padding: 26px; }
    .page-intro h1 { font-size: 30px; }
    .detail { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
    .detail > img { width: 180px; margin-inline: auto; }
    .detail h1 { font-size: 29px; }
    .chapter-list { grid-template-columns: 1fr; }
    .panel figcaption { padding: 22px; }
    .reading-head h1 { font-size: 26px; }
    .library-list { grid-template-columns: 1fr; }
    .footer-inner { display: block; }
    .footer-links { margin-top: 16px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}