/* 万象信息：统一品牌层，保留题库与编辑器的功能样式。 */
:root { --font-serif: var(--font-sans); }
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101719; --bg-soft: #172023; --card: #182225; --card-edge: #2b373b;
  --text: #cbd4d5; --text-2: #91a4aa; --heading: #f1f5f4;
  --accent: #95e5c9; --accent-hover: #b2f0da; --accent-soft: rgba(149,229,201,.09);
  --green: #95d5aa; --border: #2c3a3e; --shadow: 0 12px 38px #00000016;
  --toast-bg: #d6eee5; --toast-fg: #101719; --button-text: #122a23;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7f6; --bg-soft: #eaf0ed; --card: #fff; --card-edge: #dce5e1;
  --text: #3d514b; --text-2: #60766d; --heading: #172e26;
  --accent: #176b52; --accent-hover: #10543e; --accent-soft: rgba(23,107,82,.07);
  --green: #327849; --border: #d4dfda; --shadow: 0 12px 38px #163c2708;
  --toast-bg: #172e26; --toast-fg: #fff; --button-text: #fff;
}
body { background: var(--bg); font-family: var(--font-sans); font-size: 15px; line-height: 1.75; }
button, input, textarea, select { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
h1,h2,h3,p { overflow-wrap: anywhere; }
.site-header { max-width: 1264px; padding: 24px 32px; flex-wrap: wrap; border-bottom: 1px solid var(--border); gap: 22px; }
.brand { gap: 12px; flex-shrink: 0; }
.seal { width: 42px; height: 42px; background: var(--accent-soft); color: var(--heading); border: 1px solid var(--border); border-radius: 12px; font: 800 25px/1 var(--font-sans); box-shadow: none; transform: none; display: flex; justify-content: center; }
.seal span { color: var(--accent); }
.brand:hover .seal { transform: none; border-color: var(--accent); }
.site-name { font-size: 19px; font-weight: 650; letter-spacing: .13em; }
.site-sub { font: 9px/1.5 var(--font-mono); letter-spacing: .12em; margin-top: 2px; }
.site-nav { gap: 22px; flex-wrap: wrap; font-size: 13px; }
.site-nav a { letter-spacing: 0; white-space: nowrap; padding: 7px 0; }
.site-nav [data-nav].active { color: var(--heading); }
.site-nav [data-nav].active::after { bottom: 0; height: 2px; background: var(--accent); opacity: 1; }
.site-nav [data-nav="login"] { border: 1px solid var(--border); padding: 6px 16px; border-radius: 8px; }
#theme-toggle { border: 1px solid var(--border); border-radius: 9px; width: 32px; height: 32px; }
.container { max-width: 1024px; padding: 36px 32px 72px; }
.portal-container { max-width: 1264px; padding-top: 0; }
.site-footer { width: calc(100% - 64px); max-width: 1200px; margin: 0 auto; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 30px 0; font: 10px/1.6 var(--font-mono); letter-spacing: .06em; color: var(--text-2); }
.site-footer div { display: flex; gap: 20px; align-items: center; }
.site-footer b { color: var(--heading); font: 600 15px var(--font-sans); }
.site-footer div span { font: 12px var(--font-sans); }
.eyebrow { display: block; color: var(--accent); font: 10px/1.7 var(--font-mono); letter-spacing: .15em; }
.portal-hero { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 40px; min-height: 560px; padding: 60px 0; }
.hero-copy .eyebrow { display: flex; align-items: center; gap: 9px; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent-soft); }
.hero-copy h1 { font-size: clamp(32px, 3.8vw, 53px); letter-spacing: -.035em; line-height: 1.4; color: var(--heading); font-weight: 650; margin: 25px 0 22px; }
.hero-copy h1 span { color: var(--accent); }
.hero-copy p { color: var(--text-2); line-height: 2; font-size: 14px; margin: 0; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; margin-top: 32px; }
.btn { border-radius: 8px; font-weight: 500; letter-spacing: 0; }
.btn-primary, .btn-primary:hover { color: var(--button-text); }
.hero-actions .btn { padding: 12px 20px; font-size: 13px; display: inline-flex; gap: 25px; align-items: center; }
.hero-secondary, .text-link { color: var(--heading); text-decoration: none; font-size: 13px; }
.hero-secondary span { margin-left: 16px; }
.hero-secondary:hover, .text-link:hover { color: var(--accent); }
.hero-footnote { display: flex; align-items: center; gap: 18px; margin-top: 45px; font: 9px var(--font-mono); letter-spacing: .22em; color: var(--text-2); }
.hero-footnote i { height: 3px; width: 3px; background: var(--text-2); border-radius: 50%; }
.hero-art { position: relative; height: 390px; overflow: hidden; border: 1px solid var(--border); border-radius: 24px; background: radial-gradient(ellipse at center, var(--accent-soft), transparent 70%); }
.art-grid { position: absolute; inset: 0; opacity: .3; background-image: linear-gradient(var(--border) 1px, transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px); background-size: 36px 36px; mask-image: radial-gradient(ellipse,black,transparent 80%); }
.art-coordinate,.art-bottom { position: absolute; left: 24px; font: 9px var(--font-mono); color: var(--text-2); letter-spacing: .14em; }
.art-coordinate { top: 24px; }
.art-bottom { bottom: 24px; right: 24px; display: flex; justify-content: space-between; }
.art-bottom b { color: var(--accent); font-size: 18px; }
.orbit { position: absolute; top: 50%; left: 50%; border: 1px solid var(--accent); opacity: .35; width: 310px; height: 125px; border-radius: 50%; }
.orbit-one { transform: translate(-50%,-50%) rotate(-32deg); }
.orbit-two { transform: translate(-50%,-50%) rotate(32deg); }
.orbit-three { transform: translate(-50%,-50%) rotate(90deg); }
.orbit-core { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 90px; height: 90px; border: 1px solid var(--border); border-radius: 24px; background: var(--bg); box-shadow: 0 0 60px var(--accent-soft); display: flex; align-items: center; justify-content: center; font: 700 48px var(--font-sans); color: var(--heading); }
.orbit-core span { color: var(--accent); }
.orbit-label { position: absolute; padding: 6px 14px; border: 1px solid var(--border); border-radius: 20px; font-size: 11px; background: var(--card); color: var(--text); }
.label-one { left: 12%; top: 27%; }.label-two { right: 12%; top: 34%; }.label-three { left: 38%; bottom: 17%; }
.portal-section { padding: 45px 0 15px; border-top: 1px solid var(--border); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 28px; }
.section-heading h2 { margin: 7px 0 0; color: var(--heading); font-size: 25px; font-weight: 550; letter-spacing: -.02em; }
.section-caption { color: var(--text-2); font-size: 12px; }
.portal-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.portal-card { text-decoration: none; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--card-edge); border-radius: 14px; padding: 24px; transition: transform .2s, border-color .2s; }
.portal-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.portal-card-top { display: flex; justify-content: space-between; gap: 5px; align-items: center; }
.portal-icon { color: var(--accent); font: 600 20px var(--font-mono); }
.card-number { font: 8px var(--font-mono); letter-spacing: .04em; color: var(--text-2); }
.portal-card h3 { font-size: 18px; color: var(--heading); margin: 26px 0 10px; font-weight: 550; }
.portal-card p { color: var(--text-2); font-size: 12px; line-height: 1.9; margin: 0 0 20px; }
.portal-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.portal-tags span { font-size: 10px; color: var(--text-2); padding: 3px 8px; border: 1px solid var(--border); border-radius: 5px; }
.portal-card-bottom { display: flex; justify-content: space-between; padding-top: 19px; margin-top: 24px; border-top: 1px solid var(--border); font-size: 12px; color: var(--heading); }
.portal-card-bottom span { color: var(--accent); }
.latest-section { margin-top: 52px; }
.insight-row { display: grid; grid-template-columns: 100px 1fr 90px 20px; align-items: center; gap: 25px; padding: 22px 0; border-bottom: 1px solid var(--border); text-decoration: none; }
.insight-row h3 { font-size: 16px; margin: 0 0 4px; color: var(--heading); font-weight: 500; }
.insight-row:hover h3 { color: var(--accent); }
.insight-row p { margin: 0; color: var(--text-2); font-size: 12px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.insight-category { color: var(--accent); font-size: 11px; }
.insight-row time { font: 10px var(--font-mono); color: var(--text-2); }.insight-arrow { color: var(--text-2); }
.portal-empty { padding: 32px; border: 1px dashed var(--border); border-radius: 12px; }.portal-empty h3 { color: var(--heading); font-size: 20px; font-weight: 500; }.portal-empty p { color: var(--text-2); font-size: 13px; }
.portal-manifesto { padding: 80px 0 15px; text-align: center; }.portal-manifesto h2 { color: var(--heading); font-weight: 500; font-size: 29px; margin: 16px 0 8px; }.portal-manifesto p { color: var(--text-2); font-size: 13px; }
.page-head { margin: 10px 0 32px; }.page-head h1 { font-size: 30px; letter-spacing: -.03em; }.page-head .eyebrow { margin-bottom: 8px; }
.post-item { border-bottom-style: solid; padding: 24px 0; }.post-title { font-size: 21px; }.post-excerpt { font-size: 14px; }.post-date { font: 11px var(--font-mono); }
.post-full { box-shadow: none; border: 1px solid var(--border); border-radius: 16px; }.post-full::before,.post-full::after { display: none; }
.post-header h1 { letter-spacing: -.02em; }.prose { font-size: 15px; line-height: 1.95; }
.card,.category-card,.quiz-card,.mock-q,.score-card,.subj-card,.mode-card,.special-card,.review-sheet,.special-wrong-sidebar { border-radius: 12px; box-shadow: none; }
.card { border: 1px solid var(--border); }.card-seal,.empty-seal { transform: none; border-radius: 12px; }.card-seal { background: var(--accent-soft); color: var(--accent); box-shadow: none; }
.subj-badge { transform: none; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.mode-icon { font-size: 24px; }.exam-head { margin-top: 10px; }.exam-head h1 { letter-spacing: -.025em; }
.quiz, .mock { max-width: 58rem; }.quiz-card { padding: 28px; }.q-image img { background: #fff; }
html[data-theme="dark"] .q-result.no, html[data-theme="dark"] .special-wrong, html[data-theme="dark"] .special-wrong-count, html[data-theme="dark"] .special-wrong-index-btn small, html[data-theme="dark"] .review-tag.wrong, html[data-theme="dark"] .review-index.wrong, html[data-theme="dark"] .review-opt.wrong { color: #f2a392; }
.services-intro { padding: 70px 0; }.services-intro h1 { font-size: clamp(30px,4vw,48px); line-height: 1.4; color: var(--heading); letter-spacing: -.03em; margin: 20px 0; }.services-intro p { color: var(--text-2); }
.service-detail { border-top: 1px solid var(--border); padding: 45px 0; scroll-margin-top: 24px; }.service-heading h2 { font-size: 28px; color: var(--heading); margin: 10px 0; }.service-heading p { color: var(--text-2); font-size: 14px; }
.service-capabilities { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 28px; }.service-capabilities article { border: 1px solid var(--border); background: var(--card); border-radius: 12px; padding: 28px; }.service-capabilities article>span { color: var(--accent); font: 12px var(--font-mono); }.service-capabilities h3 { font-size: 17px; color: var(--heading); font-weight: 500; }.service-capabilities p { font-size: 13px; color: var(--text-2); }
.service-notice { background: var(--accent-soft); border: 1px solid var(--border); border-radius: 14px; padding: 32px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }.service-notice h2 { color: var(--heading); font-size: 22px; }.service-notice p { color: var(--text-2); font-size: 13px; }.service-notice .btn { flex-shrink: 0; }
@media (max-width: 1100px) { .site-header { justify-content: center; }.site-nav { justify-content: center; gap: 18px; }.portal-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }.portal-hero { gap: 25px; }.hero-art { height: 350px; }.card-number { font-size: 10px; } }
@media (max-width: 760px) {
  .container { padding: 28px 20px 48px; }.site-header { padding: 20px; gap: 18px; }.site-nav { gap: 10px 17px; font-size: 12px; }.site-name { font-size: 18px; }
  .portal-hero { grid-template-columns: 1fr; min-height: auto; padding: 20px 0 38px; }.hero-copy h1 { font-size: clamp(29px,6.5vw,44px); }.hero-copy p { font-size: 13px; }.hero-art { height: 280px; margin-top: 10px; }.orbit { width: 240px; height: 100px; }.orbit-core { width: 72px; height: 72px; font-size: 38px; }
  .hero-footnote { margin-top: 30px; }.hero-actions { gap: 20px; }.desktop-break { display: none; }.portal-grid { gap: 12px; }.portal-card { padding: 20px; }.card-number { font-size: 8px; }.portal-card-top { flex-wrap: wrap; gap: 12px; }.portal-card h3 { font-size: 17px; }
  .section-heading { align-items: start; }.section-heading h2 { font-size: 22px; }.section-caption { display: none; }.section-heading .text-link { white-space: nowrap; margin-top: 24px; }.eyebrow { font-size: 9px; }.latest-section { margin-top: 30px; }.portal-section { padding-top: 30px; }
  .insight-row { grid-template-columns: 1fr auto; gap: 8px 15px; }.insight-category { grid-column: 1; }.insight-row div { grid-column: 1; }.insight-row time { grid-column: 1; }.insight-arrow { grid-column: 2; grid-row: 2; }
  .site-footer { width: calc(100% - 40px); flex-direction: column; align-items: start; gap: 12px; }.portal-manifesto { padding-top: 52px; }.portal-manifesto h2 { font-size: 24px; }
  .service-capabilities { grid-template-columns: 1fr; }.services-intro { padding: 24px 0 40px; }.service-notice { flex-direction: column; align-items: start; padding: 24px; }.post-full { padding: 24px 20px; }.post-header h1 { font-size: 25px; }.quiz-card { padding: 22px 18px; }
  .index-top { align-items: stretch; }.search,.search input,.search input:focus { width: 100%; }.special-wrong-layout { display: block; }.special-wrong-sidebar { position: static; margin-top: 20px; }.special-grid { grid-template-columns: 1fr; }
}
@media (max-width: 390px) { .portal-grid { grid-template-columns: 1fr; }.hero-copy h1 { font-size: 28px; }.hero-actions { align-items: start; flex-direction: column; }.site-nav { gap: 9px 13px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }