/* ============================================================
   超有米AI 官网 1.0 — 品牌视觉 v2
   延续既有品牌视觉 v2：纸白底、墨黑字、珊瑚红点缀。
   仅使用系统字体与本地图片，不引入外部资源。
   ============================================================ */

:root {
  --paper: #FFFDF9;
  --white: #FFFFFF;
  --ink: #171717;
  --ink-2: #33302B;
  --muted: #6E6A64;
  --sand: #F4F1EC;
  --line: #E8E2D8;
  --line-2: #F0EBE3;
  --coral: #F45145;
  --coral-dark: #D8392D;
  --orange: #FF7352;
  --cream: #F5DE8A;
  --sky: #B9E3F1;
  --blush: #F3B7C4;
  --sage: #BFD79A;

  --sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  --r-xs: 8px; --r-sm: 12px; --r: 16px; --r-lg: 20px; --r-xl: 24px; --r-2xl: 32px; --pill: 999px;

  --shadow-1: 0 1px 2px rgba(23, 23, 23, .04);
  --shadow-2: 0 2px 6px rgba(23, 23, 23, .05), 0 18px 40px -24px rgba(23, 23, 23, .22);
  --shadow-3: 0 24px 60px -28px rgba(23, 23, 23, .28);

  --max: 1320px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 17px; line-height: 1.7; letter-spacing: .01em;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: var(--coral); color: var(--paper); }

.container { width: min(var(--max), 100%); padding: 0 40px; margin: 0 auto; }
.section { padding: 120px 0; position: relative; background: var(--paper); }
.section--white { background: var(--white); }
.section--sand { background: var(--sand); }
.section--cream { background: var(--cream); }
.section--tight { padding: 80px 0; }
.section + .section--white { border-top: 1px solid var(--line-2); }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ---------- 文字 ---------- */
.display { font-size: clamp(46px, 7.4vw, 96px); line-height: .98; letter-spacing: -.045em; font-weight: 700; text-wrap: balance; }
.h1 { font-size: clamp(36px, 4.6vw, 60px); line-height: 1.06; letter-spacing: -.04em; font-weight: 700; }
.h2 { font-size: clamp(30px, 3.2vw, 44px); line-height: 1.12; letter-spacing: -.035em; font-weight: 700; text-wrap: balance; }
.lead { font-size: clamp(17px, 1.35vw, 20px); line-height: 1.75; color: var(--ink-2); }
.body { font-size: 17px; line-height: 1.8; color: var(--ink-2); }
.small { font-size: 14px; line-height: 1.7; color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--muted); }
.muted { color: var(--muted); }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--coral); display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); flex: none; }
.eyebrow--ink { color: var(--ink); }
.eyebrow--ink::before { background: var(--ink); }
.fullstop {
  display: inline-block; width: .15em; height: .15em; border-radius: 50%;
  background: var(--coral); margin-left: .08em; transform: translateY(-.04em);
}

/* ---------- 站点头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 253, 249, .9); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-2);
}
.header-inner { display: flex; align-items: center; gap: 40px; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 20px; letter-spacing: -.02em; white-space: nowrap; }
.brand img { width: 28px; height: 28px; }
.brand .brand-logo { width: auto; height: 32px; }
.brand .ai { color: var(--coral); font-weight: 800; letter-spacing: 0; }
.site-nav { display: flex; gap: 32px; margin-left: auto; font-size: 15px; color: var(--ink-2); }
.nav-link { position: relative; padding: 6px 0; white-space: nowrap; }
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: var(--ink); transition: width .3s;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--ink); font-weight: 600; }
.header-cta { display: flex; align-items: center; gap: 18px; margin-left: 8px; }
.menu-btn { display: none; flex-direction: column; gap: 5px; margin-left: 2px; padding: 8px 4px; }
.menu-btn i { display: block; width: 20px; height: 1.6px; background: var(--ink); border-radius: 2px; }

/* ---------- 按钮 / 标签 / 链接 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 56px; padding: 0 26px; border-radius: var(--pill);
  font-size: 15px; font-weight: 600; letter-spacing: .01em; white-space: nowrap;
  transition: background .25s, color .25s, transform .25s, border-color .25s;
}
.btn svg { width: 16px; height: 16px; transition: transform .3s; flex: none; }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--coral); color: var(--ink); }
.btn--primary:hover { background: var(--orange); transform: translateY(-2px); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover { background: #000; transform: translateY(-2px); }
.btn--ghost { border: 1px solid rgba(23, 23, 23, .18); background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--white); border-color: var(--ink); }
.btn--sm { height: 44px; padding: 0 20px; font-size: 14px; }
.btn--sm svg { width: 14px; height: 14px; }
.link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; border-bottom: 1px solid transparent; transition: border-color .25s; }
.link:hover { border-color: var(--ink); }
.link svg { width: 15px; height: 15px; transition: transform .3s; }
.link:hover svg { transform: translateX(4px); }

.tag {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px;
  border-radius: var(--pill); font-size: 12px; font-weight: 600; letter-spacing: .02em;
  background: var(--sand); color: var(--ink);
}
.tag--coral { background: var(--coral); color: var(--ink); }
.tag--cream { background: var(--cream); }
.tag--sky { background: var(--sky); }
.tag--blush { background: var(--blush); }
.tag--sage { background: var(--sage); }
.tag--line { background: transparent; border: 1px solid var(--line); color: var(--muted); font-weight: 500; }

/* ---------- 媒体 ---------- */
.media { position: relative; overflow: hidden; background: var(--sand); display: block; }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
a.media:hover img, .case:hover .media img, .event:hover img { transform: scale(1.04); }
.ratio-16-10 { aspect-ratio: 16 / 10; }
.ratio-16-11 { aspect-ratio: 16 / 11; }
.ratio-4-3 { aspect-ratio: 4 / 3; }
.ratio-4-5 { aspect-ratio: 4 / 5; }
.ratio-1-1 { aspect-ratio: 1 / 1; }
.ratio-3-2 { aspect-ratio: 3 / 2; }

.media-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background: var(--cream); background-image: radial-gradient(rgba(23, 23, 23, .07) 1px, transparent 1px);
  background-size: 18px 18px; color: var(--ink);
}
.media-empty img, .media.media-empty img { width: 64px; height: 64px; object-fit: contain; }
.media-empty span { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: rgba(23, 23, 23, .55); }
.media--sky { background: var(--sky); }
.media--blush { background: var(--blush); }
.media--sage { background: var(--sage); }
.media--sand { background: var(--sand); }

/* ---------- 首屏 ---------- */
.hero { padding: 56px 0 0; overflow: hidden; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 48px; align-items: center; min-height: calc(100vh - 200px); padding: 48px 0 72px; }
.hero-copy { max-width: 600px; position: relative; z-index: 2; }
.hero .display { margin: 22px 0 26px; }
.hero .lead { max-width: 470px; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-top: 38px; flex-wrap: wrap; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.hero-tags .tag { background: transparent; border: 1px solid var(--line); color: var(--muted); font-weight: 500; }
.hero-tags .tag::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--coral); margin-right: 2px; flex: none; }

.collage { position: relative; height: 600px; }
.collage .shot { position: absolute; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-2); margin: 17px 40px; }
.collage .shot img { width: 100%; height: 100%; object-fit: cover; }
.collage-main { width: 63%; height: 80%; right: 0; top: 5%; }
.collage-main img { object-position: 52% 42%; }
.collage-art { width: 33%; left: -1%; top: 43%; padding: 10px 10px 14px; background: var(--white); border-radius: 20px; transform: rotate(-5deg); box-shadow: var(--shadow-2); }
.collage-art .inner { border-radius: 14px; overflow: hidden; aspect-ratio: 4 / 5; }
.collage-art img { width: 100%; height: 100%; object-fit: cover; }
.collage-art figcaption { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--muted); padding: 8px 2px 0; }
.collage-note {
  position: absolute; left: 6%; top: 4%; width: 172px; padding: 18px 18px 16px;
  background: var(--cream); border-radius: 18px; transform: rotate(4deg); box-shadow: var(--shadow-1);
  font-size: 14px; line-height: 1.6; font-weight: 600; color: var(--ink); z-index: 3;
}
.collage-note span { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: rgba(23, 23, 23, .55); margin-top: 10px; font-weight: 400; }
.collage-dot { position: absolute; right: 6%; bottom: 12%; width: 54px; height: 54px; border-radius: 50%; background: var(--coral); z-index: 3; }
.collage-cap { position: absolute; right: 0; bottom: 2%; font-family: var(--mono); font-size: 10px; letter-spacing: .12em; color: var(--muted); }
.collage-ring { position: absolute; right: -6%; top: 44%; width: 132px; height: 132px; border-radius: 50%; border: 1px solid rgba(23, 23, 23, .14); }
.collage-main.is-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; background: var(--cream); background-image: radial-gradient(rgba(23, 23, 23, .08) 1px, transparent 1px); background-size: 20px 20px; }
.collage-main.is-empty .mark-lg { width: 92px; height: 92px; }
.collage-main.is-empty .name-lg { font-size: 30px; font-weight: 700; letter-spacing: -.03em; }
.collage-main.is-empty .name-lg .ai { color: var(--coral); }
.collage-main.is-empty .name-lg span { color: var(--coral); }
.collage-main.is-empty .meta-lg { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: rgba(23, 23, 23, .55); }

.ticker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 0; overflow: hidden; background: var(--paper); }
.ticker-track { display: flex; gap: 36px; width: max-content; animation: marquee 38s linear infinite; }
.ticker-item { display: flex; align-items: center; gap: 36px; font-size: 13px; letter-spacing: .02em; color: var(--ink-2); white-space: nowrap; }
.ticker-item::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--coral); flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 首屏背景图：压一层暖白，保证文字可读 */
.hero[style*="background-image"] { background-size: cover; background-position: center; }
.hero[style*="background-image"]::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(255, 253, 249, .92), rgba(255, 253, 249, .86));
}
.hero[style*="background-image"] .hero-grid { position: relative; z-index: 1; }

/* ---------- 板块头 ---------- */
.section[style*="background-image"] { background-size: cover; background-position: center; }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 56px; }
.sec-head .h2 { max-width: 620px; margin-top: 16px; }
.sec-head .small { margin-top: 12px; max-width: 520px; }
.sec-head .link { flex: none; padding-bottom: 2px; }
.section-banner { margin: 0 0 40px; border-radius: 24px; overflow: hidden; max-height: 340px; background: var(--sand); }
.section-banner img { width: 100%; height: 100%; max-height: 340px; object-fit: cover; }

/* ---------- 首页：新闻 ---------- */
#section-news { background: var(--white); }
.news-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: start; }
.news-grid--single { grid-template-columns: 1fr; max-width: 820px; }
.news-feature .media { border-radius: 22px; }
.news-feature .meta { display: flex; align-items: center; gap: 14px; margin: 24px 0 14px; }
.news-feature h3 { text-wrap: balance; font-size: clamp(24px, 2.4vw, 34px); line-height: 1.25; letter-spacing: -.03em; font-weight: 700; }
.news-feature h3 a:hover { color: var(--coral); }
.news-feature > p { margin-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 76px 1fr 20px; gap: 18px; padding: 26px 0; border-bottom: 1px solid var(--line); align-items: start; transition: padding .3s; }
.news-row:hover { padding-left: 6px; }
.news-row .date { font-family: var(--mono); font-size: 11px; color: var(--muted); padding-top: 5px; letter-spacing: .04em; }
.news-row h4 { font-size: 17px; font-weight: 600; line-height: 1.55; letter-spacing: -.01em; }
.news-row .arrow { opacity: 0; transform: translateX(-6px); transition: .3s; color: var(--coral); }
.news-row:hover .arrow { opacity: 1; transform: none; }
.news-row .kicker { font-size: 12px; color: var(--coral); margin-bottom: 6px; font-weight: 600; }
.news-empty { border-top: 1px solid var(--line); padding-top: 32px; }

/* ---------- 首页：案例 ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.case { position: relative; }
.case .media { border-radius: 22px; }
.case .badge { position: absolute; top: 18px; left: 18px; z-index: 2; box-shadow: 0 1px 2px rgba(23, 23, 23, .06); }
.case .info { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-top: 16px; }
.case h3 { font-size: 19px; font-weight: 600; letter-spacing: -.02em; }
.case h3 a:hover { color: var(--coral); }
.case .by { font-size: 13px; color: var(--muted); margin-top: 6px; }
.case--a { grid-column: span 7; }
.case--b { grid-column: span 5; margin-top: 56px; }
.case--c { grid-column: span 4; }
.case--d { grid-column: span 4; }
.case--e { grid-column: span 4; }
.case--c .media, .case--d .media, .case--e .media { aspect-ratio: 4 / 5; }
.case--a .media { aspect-ratio: 16 / 11; }
.case--b .media { aspect-ratio: 4 / 5; }
.case--b .media img { object-position: 50% 18%; }
.cases-grid--few { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cases-grid--few .case { grid-column: auto !important; margin-top: 0 !important; }
.cases-grid--few .case .media { aspect-ratio: 4 / 3; }
.cases-grid--few .case:only-child { grid-column: 1 / -1 !important; }
.cases-grid--few .case:only-child .media { aspect-ratio: 16 / 9; }
.cases-foot { display: flex; justify-content: space-between; align-items: center; gap: 32px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }
.cases-foot .btn { flex: none; }

/* ---------- 首页：公告 ---------- */
.ann-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.ann-lead .h2 { margin-top: 16px; }
.ann-lead .body { max-width: 300px; margin-top: 20px; color: var(--muted); font-size: 15px; }
.ann-lead .link { margin-top: 28px; }
.ann-row { display: grid; grid-template-columns: 96px 1fr auto; gap: 20px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); transition: background .3s, padding .3s; }
.ann-row:first-child { border-top: 1px solid var(--line); }
.ann-row:hover { padding-left: 10px; }
.ann-row .date { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; color: var(--muted); }
.ann-row h4 { font-size: 16px; font-weight: 500; color: var(--ink-2); }
.ann-row .new { color: var(--coral); font-size: 10px; font-family: var(--mono); letter-spacing: .14em; }

/* ---------- 首页：活动 ---------- */
#section-activities { background: var(--sand); }
.events { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; }
.events--single { grid-template-columns: 1fr; }
.event { position: relative; border-radius: 24px; overflow: hidden; display: block; background: var(--ink); }
.event img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.event::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23, 23, 23, 0) 38%, rgba(23, 23, 23, .72) 100%); }
.event--main { min-height: 520px; }
.event--side { min-height: 248px; }
.event--side + .event--side { margin-top: 24px; }
.event-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 32px; z-index: 2; color: var(--paper); }
.event-date {
  display: inline-flex; align-items: center; height: 28px; padding: 0 12px; border-radius: var(--pill);
  background: var(--cream); color: var(--ink); font-family: var(--mono); font-size: 11px; letter-spacing: .06em; margin-bottom: 14px;
}
.event h3 { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.3; letter-spacing: -.02em; font-weight: 700; max-width: 520px; }
.event--side h3 { font-size: 20px; }
.event p { font-size: 13px; color: rgba(255, 253, 249, .72); margin-top: 8px; }
.events-side { display: flex; flex-direction: column; }
.event.no-cover { background: var(--white); border: 1px solid var(--line); }
.event.no-cover::after { display: none; }
.event.no-cover::before {
  content: ""; position: absolute; right: 9%; top: 14%; width: 88px; height: 98px;
  border-radius: 26px; background: var(--ink); transform: rotate(-8deg);
}
.event.no-cover .event-dot { position: absolute; right: calc(9% - 12px); top: calc(14% - 12px); width: 30px; height: 30px; border-radius: 50%; background: var(--coral); }
.event.no-cover .event-body { color: var(--ink); max-width: 76%; }
.event.no-cover .event p { color: var(--muted); }

/* ---------- 首页：小程序 ---------- */
#section-miniprogram { background: var(--cream); }
.mp { display: grid; grid-template-columns: 1.05fr .95fr; position: relative; }
.mp-copy { padding: 88px 72px 88px 0; max-width: 560px; }
.mp-copy .h1 { margin: 18px 0 20px; }
.mp-copy .body { max-width: 420px; }
.mp-points { margin-top: 34px; display: grid; gap: 14px; }
.mp-points li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; color: var(--ink-2); }
.mp-points .n {
  font-family: var(--mono); font-size: 10px; color: var(--ink); background: var(--paper);
  width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; flex: none; margin-top: 2px;
}
.mp-visual { position: relative; display: flex; align-items: center; justify-content: center; padding: 64px 0; min-height: 640px; }
.phone { width: 282px; height: 566px; background: var(--ink); border-radius: 44px; padding: 10px; box-shadow: var(--shadow-3); position: relative; z-index: 2; }
.phone-screen { background: var(--paper); border-radius: 36px; height: 100%; overflow: hidden; padding: 18px 16px; position: relative; }
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 76px; height: 20px; background: var(--ink); border-radius: 12px; z-index: 3; }
.mp-ui-top { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; font-size: 11px; color: var(--muted); }
.mp-ui-title { font-size: 19px; font-weight: 700; margin-top: 12px; letter-spacing: -.02em; }
.mp-ui-sub { font-size: 11px; color: var(--muted); margin-top: 4px; }
.mp-ui-card { margin-top: 14px; border-radius: 14px; padding: 14px; background: var(--white); border: 1px solid var(--line); }
.mp-ui-card.coral { background: var(--coral); border-color: transparent; color: var(--ink); }
.mp-ui-card.cream { background: var(--cream); border-color: transparent; }
.mp-ui-card h5 { margin: 0; font-size: 12px; font-weight: 700; }
.mp-ui-card p { margin: 4px 0 0; font-size: 10px; color: var(--muted); line-height: 1.5; }
.mp-ui-card.coral p { color: rgba(23, 23, 23, .7); }
.mp-ui-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; }
.mp-ui-grid div { height: 52px; border-radius: 10px; background: var(--sand); display: flex; align-items: center; justify-content: center; font-size: 10px; color: var(--muted); }
.mp-ui-grid div:nth-child(1) { background: var(--sky); }
.mp-ui-grid div:nth-child(2) { background: var(--blush); }
.mp-ui-grid div:nth-child(3) { background: var(--sage); }
.mp-ui-grid div:nth-child(4) { background: var(--cream); }
.mp-ui-tab {
  position: absolute; left: -16px; right: -16px; bottom: -18px; display: flex; justify-content: space-around;
  padding: 12px 10px 30px; border-top: 1px solid var(--line); background: var(--paper); font-size: 9px; color: var(--muted);
}
.mp-ui-tab .on { color: var(--ink); font-weight: 700; }
.mp-qr {
  position: absolute; left: -26px; bottom: 44px; z-index: 3; display: flex; gap: 14px; align-items: center;
  background: var(--paper); border-radius: 20px; padding: 16px; box-shadow: var(--shadow-2);
}
.mp-qr img, .mp-qr .qr-box { width: 84px; height: 84px; flex: none; }
.mp-qr .qr-box { display: grid; place-items: center; background: var(--white); border: 1px dashed var(--line); border-radius: 8px; font-size: 9px; color: var(--muted); text-align: center; padding: 6px; line-height: 1.5; }
.mp-qr b { display: block; font-size: 13px; margin-bottom: 4px; }
.mp-qr span { font-size: 11px; color: var(--muted); line-height: 1.5; display: block; max-width: 96px; }
.mp-perk {
  position: absolute; right: -34px; top: 112px; z-index: 3; background: var(--white); border-radius: 20px;
  padding: 18px; width: 196px; box-shadow: var(--shadow-2); transform: rotate(3deg);
}
.mp-perk img { width: 70px; margin-bottom: 10px; }
.mp-perk b { font-size: 13px; display: block; }
.mp-perk span { font-size: 11px; color: var(--muted); line-height: 1.5; display: block; margin-top: 4px; }

/* ---------- 项目板块（可后台开启） ---------- */
.project-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.project-split h3 { font-size: clamp(26px, 2.6vw, 36px); letter-spacing: -.03em; margin-bottom: 14px; }
.project-split p { color: var(--ink-2); }
.project-visual .project-cover { aspect-ratio: 4 / 3; border-radius: 24px; overflow: hidden; background: var(--sand); }
.project-cover img { width: 100%; height: 100%; object-fit: cover; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 26px; }
.chip { background: var(--sand); color: var(--ink-2); padding: 6px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 500; }

/* ---------- 内页页头 ---------- */
.page-hero { padding: 88px 0 56px; border-bottom: 1px solid var(--line-2); background: var(--paper); }
.page-hero h1 { margin: 16px 0 12px; max-width: 960px; }
.page-desc { color: var(--muted); max-width: 680px; font-size: 17px; margin: 0; line-height: 1.8; }

/* ---------- 列表卡片 ---------- */
.grid { display: grid; gap: 40px 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { background: transparent; border: 0; border-radius: 0; overflow: visible; transition: none; }
.card > a { display: block; }
.card-cover { border-radius: 22px; overflow: hidden; aspect-ratio: 16 / 10; background: var(--sand); }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.card:hover .card-cover img { transform: scale(1.04); }
.card-body { padding: 20px 2px 0; }
.card-meta { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.card-body h3 { font-size: 21px; line-height: 1.4; letter-spacing: -.02em; margin: 0 0 8px; }
.card-body h3 a:hover { color: var(--coral); }
.card-summary { color: var(--muted); font-size: 14.5px; line-height: 1.75; margin: 0 0 14px; }
.card-location { color: var(--muted); font-size: 13px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--line); }
.text-link:hover { border-color: var(--ink); }
.activity-card .card-cover { aspect-ratio: 16 / 9; }

/* ---------- 文章 / 正文 ---------- */
.prose-wrap { max-width: 820px; }
.prose { color: var(--ink-2); font-size: 17px; line-height: 1.95; }
.prose p { margin: 0 0 1.2em; }
.prose h2 { font-size: 26px; letter-spacing: -.02em; margin: 1.6em 0 .6em; color: var(--ink); }
.prose h3 { font-size: 21px; letter-spacing: -.02em; margin: 1.4em 0 .5em; color: var(--ink); }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.4em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: .3em 0; }
.prose a { color: var(--coral-dark); border-bottom: 1px solid var(--line); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 40px 0; }
.value-card { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.value-card h3 { color: var(--coral); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; font-family: var(--mono); font-weight: 600; }
.value-card p { margin: 8px 0 0; color: var(--ink-2); font-size: 15px; }
.block { margin: 48px 0; }
.block h2 { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.03em; }
.contact-block { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 36px 0; }
.info-card { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.info-card h3 { color: var(--coral); font-size: 12px; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.info-card p { margin: 8px 0 0; color: var(--ink-2); font-size: 15px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.service-item { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: 18px; font-weight: 500; font-size: 15px; }
.project-hero-img { border-radius: 24px; overflow: hidden; margin-bottom: 36px; max-height: 460px; background: var(--sand); }
.project-hero-img img { width: 100%; height: 100%; object-fit: cover; }
.project-video { width: 100%; border-radius: 20px; background: #000; max-height: 520px; }
.intro-image { margin: 32px 0 8px; border-radius: 24px; overflow: hidden; background: var(--sand); }
.intro-image img { width: 100%; max-height: 460px; object-fit: cover; }

.article-wrap { max-width: 780px; }
.breadcrumb { color: var(--muted); font-size: 12.5px; margin: 32px 0 20px; font-family: var(--mono); letter-spacing: .04em; }
.breadcrumb a:hover { color: var(--coral); }
.article-head h1 { font-size: clamp(30px, 4.4vw, 48px); line-height: 1.14; letter-spacing: -.04em; margin: 14px 0; }
.article-meta { color: var(--muted); font-size: 13px; font-family: var(--mono); letter-spacing: .03em; }
.article-cover { border-radius: 24px; overflow: hidden; margin: 28px 0 36px; background: var(--sand); }
.article-cover img { width: 100%; max-height: 520px; object-fit: cover; }
.article .lead { background: var(--cream); padding: 22px 24px; border-radius: 16px; margin: 24px 0; color: var(--ink); }
.article-foot { display: flex; gap: 12px; margin: 48px 0; flex-wrap: wrap; }
.authorized-note { color: var(--muted); font-size: 13px; background: var(--sand); border-radius: 12px; padding: 12px 16px; }
.agenda, .guests { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px 20px 42px; color: var(--ink-2); list-style: none; }
.agenda li, .guests li { margin: 8px 0; position: relative; }
.agenda li::before, .guests li::before { content: ""; position: absolute; left: -18px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); }
.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.media-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; }
.notice-box { background: var(--white); border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin: 36px 0; }
.notice-box strong { color: var(--coral); display: block; margin-bottom: 6px; font-size: 13px; letter-spacing: .04em; }
.notice-box p:last-child { margin-bottom: 0; }

/* ---------- 筛选 / 分页 ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.filter {
  display: inline-flex; align-items: center; height: 36px; padding: 0 16px; border-radius: var(--pill);
  background: transparent; border: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); transition: .2s;
}
.filter:hover { border-color: var(--ink); color: var(--ink); }
.filter.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 56px 0 0; }
.pager a, .pager span {
  display: inline-flex; align-items: center; height: 42px; padding: 0 18px;
  border: 1px solid var(--line); border-radius: var(--pill); background: var(--white); font-size: 13.5px;
}
.pager a:hover { border-color: var(--ink); }
.pager .disabled { color: #B0AAA1; background: var(--sand); }
.pager-info { color: var(--muted); font-size: 12.5px; border: 0 !important; background: transparent !important; font-family: var(--mono); }

/* ---------- 小程序引导页 ---------- */
.mp-card {
  display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: 28px; padding: 40px; max-width: 1000px; margin: 0 auto;
}
.qr-wrap { background: var(--paper); border-radius: 22px; padding: 16px; }
.qr-img { width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 12px; }
.qr-placeholder {
  aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; text-align: center; color: var(--muted); background: var(--white);
  border: 1px dashed var(--line); border-radius: 14px; padding: 14px; font-size: 12.5px; font-weight: 600;
}
.qr-placeholder small { color: var(--muted); font-weight: 400; font-size: 11.5px; line-height: 1.5; }
.mp-body h3 { font-size: clamp(26px, 2.6vw, 34px); letter-spacing: -.03em; margin-bottom: 10px; }
.mp-body p { color: var(--ink-2); font-size: 15px; }
.mp-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.mp-embed { margin: 48px 0; }
.mp-subtitle { color: var(--coral) !important; font-weight: 600; margin-bottom: 8px; font-size: 13px !important; letter-spacing: .04em; }
.mp-guide-image { margin: 16px 0; border-radius: 14px; overflow: hidden; max-width: 320px; }
.mp-guide-image img { width: 100%; height: auto; }
.mp-gift { display: grid; grid-template-columns: 76px 1fr; gap: 14px; align-items: center; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 14px; margin: 18px 0 0; max-width: 520px; }
.mp-gift-image { border-radius: 10px; overflow: hidden; background: var(--white); aspect-ratio: 1; }
.mp-gift-image img { width: 100%; height: 100%; object-fit: cover; }
.mp-gift.no-image { grid-template-columns: 1fr; }
.mp-gift-body strong { display: block; color: var(--ink); margin-bottom: 4px; font-size: 14px; }
.mp-gift-body p { margin: 0 0 4px; color: var(--muted); font-size: 13px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 48px 0; }
.step { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 26px; }
.step span { width: 34px; height: 34px; border-radius: 50%; background: var(--coral); color: var(--ink); display: inline-grid; place-items: center; font-weight: 700; margin-bottom: 14px; font-family: var(--mono); font-size: 13px; }
.step h3 { font-size: 18px; letter-spacing: -.02em; }
.step p { color: var(--ink-2); margin: 8px 0 0; font-size: 14.5px; }
.mp-entries { display: grid; gap: 12px; }
.mp-list-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.mp-list-item p { margin: 4px 0 0; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--sand); padding: 88px 0 40px; border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 64px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-slogan { color: var(--ink); font-weight: 600; font-size: 15px; margin: 0 0 10px; }
.footer-intro { color: var(--muted); font-size: 13.5px; line-height: 1.8; max-width: 280px; margin: 0; }
.footer-contact { color: var(--muted); font-size: 13px; line-height: 1.9; margin-top: 14px; }
.footer-col h4 { font-size: 11px; font-weight: 600; color: var(--muted); margin-bottom: 18px; font-family: var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.footer-col a { display: block; color: var(--ink-2); font-size: 15px; margin: 0 0 12px; }
.footer-col a:hover { color: var(--coral); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid var(--line); padding-top: 28px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }
.footer-note { color: var(--muted); font-size: 12px; margin: 16px 0 0; }

/* ---------- 空态 / 错误 / 预览 ---------- */
.empty-state { text-align: center; color: var(--muted); background: var(--white); border: 1px dashed var(--line); border-radius: 20px; padding: 56px 20px; }
.empty-icon { font-size: 26px; display: block; margin-bottom: 8px; color: var(--coral); }
.error-page { padding: 120px 0 140px; text-align: center; }
.error-page .error-code { font-size: clamp(72px, 10vw, 120px); font-weight: 700; line-height: 1; color: var(--coral); margin: 0 0 16px; letter-spacing: -.06em; }
.error-page h1 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.03em; }
.error-page p { color: var(--muted); margin-top: 12px; }
.error-actions { display: flex; gap: 12px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.preview-banner { background: var(--cream); border-bottom: 1px solid #E8CE7E; color: #6B5310; padding: 12px 0; text-align: center; font-size: 13.5px; }
.preview-banner a { color: #6B5310; text-decoration: underline; margin-left: 10px; }

/* ---------- 图片兜底 ---------- */
.media-fallback-img { object-fit: cover; background: var(--sand); }
.media-fallback-tip { color: var(--muted); font-size: 13px; margin-top: 8px; }
.article[style*="background-image"] { background-size: cover; background-position: center; }
.hide-desktop { display: block; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1120px) {
  .site-nav { gap: 18px; font-size: 14px; }
  .header-inner { gap: 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; min-height: 0; }
  .collage { height: 520px; max-width: 640px; width: 100%; }
  .news-grid, .ann-grid, .events, .mp, .project-split { grid-template-columns: 1fr; gap: 40px; }
  .cases-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case--a { grid-column: span 2; margin-top: 0; }
  .case--b, .case--c, .case--d, .case--e { grid-column: span 1; margin-top: 0; }
  .case--c .media, .case--d .media, .case--e .media { aspect-ratio: 4 / 3; }
  .mp-copy { padding: 56px 0; }
  .mp-visual { padding: 40px 0 56px; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-grid, .info-grid, .service-grid, .steps-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 1120px) {
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 76px;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 40px 24px; box-shadow: 0 16px 30px rgba(23, 23, 23, .06);
  }
  .site-nav.open { display: flex; }
  .site-nav .nav-link { padding: 14px 0; border-bottom: 1px solid var(--line-2); font-size: 15px; }
  .site-nav .nav-link::after { display: none; }
  .menu-btn { display: inline-flex; order: 2; margin-left: auto; }
  .header-cta { margin-left: 0; order: 3; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { width: 100%; padding: 0 20px; }
  .section { padding: 64px 0; }
  .section--tight { padding: 56px 0; }

  .header-inner { height: 64px; gap: 10px; }
  .brand { font-size: 18px; gap: 9px; }
  .brand img { width: 25px; height: 25px; }
  .brand .brand-logo { height: 28px; }
  .header-cta { gap: 8px; }
  .header-cta .btn--ghost { display: none; }
  .header-cta .btn--sm { height: 38px; padding: 0 14px; font-size: 13px; }
  .header-cta .btn--sm svg { width: 12px; height: 12px; }
  .site-nav { top: 64px; padding: 6px 20px 20px; }
  .menu-btn { padding: 6px 2px; }

  .hero { padding-top: 24px; }
  .hero-grid { padding: 24px 0 48px; gap: 36px; }
  .hero .display { font-size: clamp(40px, 12vw, 52px); margin: 18px 0 20px; letter-spacing: -.05em; }
  .hero .lead { font-size: 16px; line-height: 1.75; }
  .hero-actions { margin-top: 28px; gap: 10px; }
  .hero-actions .btn { height: 50px; padding: 0 20px; font-size: 14px; }
  .hero-tags { margin-top: 26px; gap: 6px; }
  .hero-tags .tag { height: 26px; font-size: 11px; padding: 0 10px; }
  .fullstop { width: .14em; height: .14em; }

  .collage { height: auto; display: block; max-width: none; }
  .collage .shot { position: static; box-shadow: var(--shadow-1); margin: 0; }
  .collage-main { width: 100%; height: auto; aspect-ratio: 4 / 3; border-radius: 20px; }
  .collage-art, .collage-note, .collage-dot, .collage-ring, .collage-cap { display: none; }
  .collage-main.is-empty { aspect-ratio: 4 / 3; }

  .ticker { padding: 12px 0; }
  .ticker-track { gap: 24px; animation-duration: 26s; }
  .ticker-item { gap: 24px; font-size: 11px; }

  .sec-head { flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 32px; }
  .sec-head .h2 { font-size: 30px; margin-top: 12px; }
  .eyebrow { font-size: 10px; letter-spacing: .16em; }
  .section-banner { border-radius: 18px; margin-bottom: 28px; }

  .news-grid { grid-template-columns: 1fr; gap: 36px; }
  .news-feature .media { border-radius: 18px; }
  .news-feature h3 { font-size: 22px; }
  .news-feature > p { font-size: 14px; }
  .news-row { display: flex; flex-direction: column; gap: 7px; padding: 18px 0; }
  .news-row .date { order: 1; padding-top: 0; font-size: 10px; }
  .news-row h4 { font-size: 15px; }
  .news-row .arrow { display: none; }

  .cases-grid { grid-template-columns: 1fr; gap: 32px; }
  .case--a, .case--b, .case--c, .case--d, .case--e { grid-column: auto; margin-top: 0; }
  .case .media { aspect-ratio: 4 / 3 !important; border-radius: 18px; }
  .case h3 { font-size: 18px; }
  .cases-grid--few { grid-template-columns: 1fr; }
  .cases-foot { flex-direction: column; align-items: flex-start; gap: 20px; margin-top: 36px; padding-top: 24px; }
  .cases-foot .btn { width: 100%; }

  .ann-grid { gap: 32px; }
  .ann-lead .h2 { font-size: 30px; }
  .ann-row { grid-template-columns: 1fr auto; gap: 6px 12px; padding: 16px 0; }
  .ann-row .date { grid-row: 2; grid-column: 1; font-size: 10px; }
  .ann-row h4 { grid-column: 1 / -1; order: -1; font-size: 15px; }
  .ann-row .new { grid-row: 1; grid-column: 2; }

  .events { grid-template-columns: 1fr; gap: 16px; }
  .event--main { min-height: 400px; }
  .event-body { padding: 22px; }
  .event h3 { font-size: 21px; }
  .event--side { min-height: 200px; }
  .event--side + .event--side { margin-top: 16px; }

  .mp-copy { padding: 0; }
  .mp-copy .h1 { font-size: 38px; }
  .mp-points li { font-size: 15px; }
  .mp-visual { padding: 32px 0 0; min-height: 0; display: block; }
  .phone { width: 250px; height: 500px; margin: 0 auto; }
  .mp-qr { position: static; margin: 24px auto 0; width: 100%; max-width: 320px; justify-content: center; }
  .mp-perk { position: static; margin: 16px auto 0; width: 100%; max-width: 320px; transform: none; display: flex; align-items: center; gap: 14px; }
  .mp-perk img { width: 54px; margin: 0; flex: none; }
  .mp-perk b { display: block; }
  .mp-ui-title { font-size: 17px; }

  .page-hero { padding: 56px 0 40px; }
  .page-hero h1 { font-size: 34px; }
  .page-desc { font-size: 15px; }

  .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 32px; }
  .value-grid, .info-grid, .service-grid, .steps-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .article-wrap { max-width: 100%; }
  .article-foot { margin: 36px 0; }
  .mp-card { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .qr-wrap { max-width: 200px; margin: 0 auto; }
  .mp-embed { margin: 32px 0; }
  .project-split { gap: 28px; }
  .project-cover { aspect-ratio: 16 / 10; }

  .site-footer { padding: 56px 0 28px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px 20px; padding-bottom: 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col a { font-size: 14px; margin-bottom: 10px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; font-size: 12px; }

  .error-page { padding: 80px 0 90px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .ticker-track { animation: none; }
}

/* ---------- 公告列表页 ---------- */
.announce-list .ann-row { grid-template-columns: 110px 1fr auto; }
.announce-list li:first-child .ann-row { border-top: 1px solid var(--line); }
.announce-list.large .ann-row { padding: 26px 0; }
.announce-list.large .ann-row h4 { font-size: 18px; }