:root { --ink: #19211d; --muted: #69736d; --line: #dfe8e1; --paper: #f7faf7; --mint: #b9f3d0; --mint-deep: #237a55; --orange: #ff9b67; --purple: #7b61ff; --shadow: 0 18px 45px rgba(24, 51, 38, .08); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, "Microsoft YaHei", sans-serif; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 18px; background: #e6eee8; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(247,250,247,.92); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(223,232,225,.8); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -.04em; font-size: 22px; white-space: nowrap; }
.logo-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 13px; background: var(--ink); color: var(--mint); font-size: 22px; box-shadow: 5px 5px 0 var(--mint); }
.nav { display: flex; gap: 6px; overflow-x: auto; margin-left: auto; }
.nav a { display: inline-flex; align-items: center; gap: 7px; padding: 9px 12px; color: var(--muted); font-size: 14px; border-radius: 12px; white-space: nowrap; transition: .2s; }
.nav a:hover, .nav a.active { color: var(--ink); background: var(--mint); }
.hero { padding: 70px 0 42px; }
.hero-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 28px; align-items: stretch; }
.eyebrow { color: var(--mint-deep); text-transform: uppercase; letter-spacing: .18em; font-size: 12px; font-weight: 800; }
h1 { font-size: clamp(42px, 7vw, 82px); line-height: .98; letter-spacing: -.075em; max-width: 780px; margin: 18px 0 22px; }
.hero-copy { color: var(--muted); max-width: 660px; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 17px; border-radius: 13px; font-weight: 800; border: 1px solid var(--ink); transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-3px); box-shadow: 4px 4px 0 var(--ink); }
.btn.primary { background: var(--ink); color: white; }
.btn.light { background: white; border-color: var(--line); }
.hero-card { padding: 24px; border-radius: 28px; background: var(--mint); min-height: 260px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: var(--shadow); }
.hero-card strong { font-size: 54px; letter-spacing: -.08em; line-height: 1; }
.hero-card span { font-size: 13px; color: #376650; }
.section { padding: 54px 0; }
.section-head { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 22px; }
.section-head h2 { margin: 0; font-size: 32px; letter-spacing: -.05em; }
.section-head p { margin: 0; color: var(--muted); max-width: 530px; }
.kicker { color: var(--orange); font-size: 13px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: white; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 8px 20px rgba(24,51,38,.03); transition: .25s; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.card-body { padding: 17px; }
.card h3 { margin: 0 0 7px; font-size: 18px; letter-spacing: -.03em; }
.card p { margin: 0; color: var(--muted); font-size: 13px; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; color: var(--mint-deep); font-size: 12px; margin-top: 10px; }
.meta span { padding: 3px 8px; border-radius: 99px; background: #edf7f0; }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.category-card { min-height: 220px; padding: 24px; border-radius: 24px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); }
.category-card:nth-child(1) { background: var(--mint); }
.category-card:nth-child(2) { background: #ffe1c9; }
.category-card:nth-child(3) { background: #ddd6ff; }
.category-card .icon { font-size: 31px; }
.category-card h3 { font-size: 28px; margin: 12px 0 4px; letter-spacing: -.05em; }
.category-card p { color: #4c5b52; margin: 0; }
.category-card .link { font-weight: 800; margin-top: 22px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: white; }
.panel h3 { margin-top: 0; font-size: 24px; }
.rank-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.rank-tabs button { border: 1px solid var(--line); background: white; border-radius: 99px; padding: 8px 13px; cursor: pointer; color: var(--muted); }
.rank-tabs button.active { background: var(--ink); color: white; border-color: var(--ink); }
.rank-list { display: grid; gap: 10px; }
.rank-row { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--line); }
.rank-row b { font-size: 20px; color: var(--orange); }
.rank-row small { color: var(--muted); }
.about-box { padding: 32px; background: var(--ink); color: white; border-radius: 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.about-box p { color: #c5d0c8; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-content: center; }
.stat { padding: 18px; background: rgba(255,255,255,.08); border-radius: 18px; }
.stat strong { display: block; font-size: 32px; color: var(--mint); }
.download { background: var(--orange); border-radius: 28px; padding: 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.download h2 { margin: 0; font-size: 30px; letter-spacing: -.05em; }
.download p { margin: 6px 0 0; color: #5b3523; }
.footer { padding: 30px 0 45px; color: var(--muted); font-size: 13px; }
.breadcrumb { padding: 26px 0 10px; color: var(--muted); font-size: 13px; }
.breadcrumb a { color: var(--mint-deep); }
.article-head { padding: 26px 0 36px; max-width: 820px; }
.article-head h1 { font-size: clamp(38px, 6vw, 64px); margin: 16px 0; }
.article-head p { color: var(--muted); font-size: 17px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 28px; align-items: start; }
.article-content { padding: 32px; border-radius: 24px; background: white; border: 1px solid var(--line); }
.article-content h2 { margin-top: 0; font-size: 27px; }
.article-content h3 { margin-top: 32px; font-size: 21px; }
.article-content p { color: #4f5c54; }
.story-images { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.story-images img { aspect-ratio: 1 / 1; }
.side-card { padding: 22px; background: var(--mint); border-radius: 22px; position: sticky; top: 104px; }
.side-card h3 { margin-top: 0; }
.article-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); }
.notice { padding: 15px 18px; background: #fff6e9; border-radius: 15px; color: #7b5635; margin-top: 24px; }
@media (max-width: 900px) { .header-inner { gap: 12px; } .logo span { display: none; } .nav a { padding: 8px; } .hero-grid, .about-box, .article-layout { grid-template-columns: 1fr; } .grid { grid-template-columns: repeat(2, 1fr); } .category-grid { grid-template-columns: 1fr; } .side-card { position: static; } }
@media (max-width: 560px) { .container { width: min(100% - 28px, 1180px); } .hero { padding-top: 40px; } .grid { grid-template-columns: 1fr; } .split { grid-template-columns: 1fr; } .story-images { grid-template-columns: 1fr; } .download { align-items: flex-start; flex-direction: column; } h1 { font-size: 54px; } }