/* OneOneTalk 官网共享样式 v2 —— 品牌令牌取自 design.md（橙 #F97316 · 微暖底 #FBFAF9）
   v2（2026-08-26）：吸顶毛玻璃导航 · 滚动渐显 · 卡片微交互 · bento · marquee · 光晕英雄区 */
:root {
  --primary: #F97316;
  --primary-deep: #EA580C;
  --primary-soft: #FFF3E9;
  --ink: #1C1917;
  --ink-soft: #57534E;
  --ink-faint: #A8A29E;
  --bg: #FBFAF9;
  --surface: #FFFFFF;
  --line: #E7E5E4;
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, .04), 0 2px 8px rgba(28, 25, 23, .04);
  --shadow-lift: 0 6px 16px rgba(28, 25, 23, .07), 0 16px 40px rgba(249, 115, 22, .08);
  --font-brand: "Outfit", "Noto Sans SC", sans-serif;
  --font-ui: "Noto Sans SC", -apple-system, "PingFang SC", sans-serif;
  --font-serif: "Noto Serif SC", serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-ui); line-height: 1.8; font-size: 16px; overflow-x: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* ── 滚动渐显（site.js 给元素挂 .reveal，入视口时加 .in） ── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }

/* ── 吸顶毛玻璃页头 ── */
header.site { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 0; margin: 0 -24px; padding-left: 24px; padding-right: 24px; background: rgba(251, 250, 249, .78); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s; }
header.site.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(28, 25, 23, .05); }
.logo { font-family: var(--font-brand); font-weight: 800; font-size: 22px; color: var(--ink); }
.logo em { color: var(--primary); font-style: normal; }
.logo:hover { text-decoration: none; }
.nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 16px; }
.nav a { color: var(--ink-soft); font-size: 14px; position: relative; padding: 2px 0; }
.nav a:hover { text-decoration: none; color: var(--ink); }
.nav a:not(.cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px; background: var(--primary); border-radius: 2px; transition: right .25s ease; }
.nav a:not(.cta):hover::after, .nav a[aria-current="page"]:not(.cta)::after { right: 0; }
.nav a[aria-current="page"] { color: var(--primary); font-weight: 600; }
.nav a.cta { color: #fff; background: var(--primary); padding: 8px 18px; border-radius: 999px; font-weight: 600; transition: transform .2s, box-shadow .2s; }
.nav a.cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(249, 115, 22, .35); }

/* ── 面包屑 ── */
.crumbs { font-size: 13px; color: var(--ink-faint); margin: 14px 0 0; }
.crumbs a { color: var(--ink-faint); }

/* ── 英雄区（光晕背景 + 立绘浮动） ── */
.hero { padding: 64px 0 40px; position: relative; }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(90px); z-index: -1; pointer-events: none; }
.hero::before { width: 480px; height: 480px; right: -140px; top: -120px; background: radial-gradient(circle, rgba(249, 115, 22, .16), transparent 65%); animation: blob-drift 14s ease-in-out infinite alternate; }
.hero::after { width: 380px; height: 380px; left: -160px; bottom: -140px; background: radial-gradient(circle, rgba(253, 186, 116, .18), transparent 65%); animation: blob-drift 18s ease-in-out infinite alternate-reverse; }
@keyframes blob-drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(36px, 28px) scale(1.12); } }
h1 { font-family: var(--font-serif); font-size: clamp(26px, 4.5vw, 40px); line-height: 1.5; font-weight: 700; letter-spacing: .01em; }
h1 .hl { background: linear-gradient(120deg, var(--primary), var(--primary-deep) 60%, #FB923C); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { margin-top: 18px; font-size: 17px; color: var(--ink-soft); max-width: 640px; }
.hero-split { display: flex; align-items: center; gap: 32px; }
.hero-split .hero-text { flex: 1 1 420px; min-width: 0; }
.hero-art { flex: 0 1 280px; display: flex; justify-content: center; position: relative; }
.hero-art::before { content: ""; position: absolute; inset: 12% 8%; border-radius: 50%; background: radial-gradient(circle, rgba(249, 115, 22, .22), transparent 68%); filter: blur(28px); }
.hero-art img { position: relative; max-width: 250px; height: auto; animation: art-float 5.5s ease-in-out infinite; filter: drop-shadow(0 18px 36px rgba(249, 115, 22, .22)); }
@keyframes art-float { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-14px) rotate(1.5deg); } }
@media (max-width: 720px) { .hero-art { display: none; } }
@media (max-width: 560px) { h1 br { display: none; } }
.actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 30px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: transform .2s, box-shadow .2s, border-color .2s; position: relative; overflow: hidden; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: #fff; box-shadow: 0 4px 14px rgba(249, 115, 22, .3); }
.btn-primary::after { content: ""; position: absolute; top: 0; left: -80%; width: 50%; height: 100%; background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .35), transparent); transform: skewX(-20deg); transition: left .5s ease; }
.btn-primary:hover { box-shadow: 0 8px 24px rgba(249, 115, 22, .42); }
.btn-primary:hover::after { left: 130%; }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ── 眉题 ── */
.eyebrow { font-size: 13px; letter-spacing: .18em; color: var(--primary); font-weight: 600; margin-bottom: 14px; }

/* ── 关键事实（答案前置）：迷你卡网格 ── */
.facts { margin: 40px 0 8px; }
.facts h2 { font-size: 13px; letter-spacing: .16em; color: var(--ink-faint); font-weight: 600; margin-bottom: 14px; }
.facts ul { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.facts li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; font-size: 14px; line-height: 1.7; color: var(--ink-soft); box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s; position: relative; }
.facts li::before { content: "✓"; color: var(--primary); font-weight: 800; margin-right: 8px; }
.facts li:hover { transform: translateY(-3px); border-color: rgba(249, 115, 22, .4); box-shadow: var(--shadow-lift); }
.facts li strong { color: var(--ink); }

/* ── 正文区块 ── */
section.block { padding: 52px 0 8px; }
section.block h2 { font-family: var(--font-serif); font-size: clamp(22px, 3.2vw, 28px); margin-bottom: 10px; }
section.block h3 { font-size: 18px; margin: 26px 0 8px; }
section.block p { color: var(--ink-soft); max-width: 680px; margin-bottom: 14px; }
section.block p.lead { font-size: 16.5px; margin-bottom: 22px; }
section.block ul.plain { margin: 0 0 16px 2px; list-style: none; }
section.block ul.plain li { padding: 5px 0 5px 24px; position: relative; color: var(--ink-soft); }
section.block ul.plain li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }
section.block strong { color: var(--ink); }

/* ── 卡片（含 bento 变体） ── */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; margin-top: 18px; }
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 18px; }
.bento .card.b-lg { grid-column: span 3; }
.bento .card.b-md { grid-column: span 2; }
.bento .card.b-sm { grid-column: span 2; }
@media (max-width: 860px) { .bento { grid-template-columns: repeat(2, 1fr); } .bento .card.b-lg, .bento .card.b-md, .bento .card.b-sm { grid-column: span 2; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: var(--shadow-sm); transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s, border-color .28s; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--primary), #FDBA74); opacity: 0; transition: opacity .28s; }
.card:hover { transform: translateY(-5px); border-color: rgba(249, 115, 22, .35); box-shadow: var(--shadow-lift); }
.card:hover::before { opacity: 1; }
.card h3 { font-size: 17px; margin: 0 0 8px; display: flex; align-items: center; gap: 10px; }
.card p { font-size: 14px; color: var(--ink-soft); margin: 0; }
.card a.more { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 600; }
.card a.more::after { content: " →"; transition: none; }
.card .ico { width: 34px; height: 34px; flex: 0 0 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--primary-soft); color: var(--primary); }
.card .ico svg { width: 18px; height: 18px; }

/* ── 对比表 ── */
.tablewrap { overflow-x: auto; margin: 18px 0; }
table.cmp { border-collapse: collapse; width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 14.5px; }
table.cmp th, table.cmp td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.cmp th { background: var(--primary-soft); font-weight: 600; color: var(--ink); }
table.cmp tr:last-child td { border-bottom: none; }

/* ── 强调框 ── */
.honest { margin: 44px 0 8px; border-left: 4px solid var(--primary); background: var(--surface); border-radius: 0 16px 16px 0; padding: 26px 30px; box-shadow: var(--shadow-sm); }
.honest h2 { font-family: var(--font-serif); font-size: 21px; margin-bottom: 10px; }
.honest ul { list-style: none; }
.honest li { margin: 8px 0 8px 2px; padding-left: 22px; position: relative; font-size: 15px; color: var(--ink-soft); }
.honest li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }

/* ── 红线警示条 ── */
.redline { margin: 22px 0 8px; padding: 15px 20px; border-radius: 14px; background: linear-gradient(135deg, var(--primary-soft), #FFF7ED); border: 1px solid #FCD9BD; font-size: 14.5px; color: var(--ink); box-shadow: var(--shadow-sm); }

/* ── 家族 marquee（无限横滚，悬停暂停） ── */
.marquee { overflow: hidden; margin: 22px -24px 0; padding: 8px 0 14px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: marquee-roll 46s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-roll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.member { flex: 0 0 190px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px 16px 16px; text-align: center; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s; }
.member:hover { transform: translateY(-5px); border-color: rgba(249, 115, 22, .4); box-shadow: var(--shadow-lift); }
.member img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; object-position: top; background: var(--primary-soft); border: 2px solid #fff; box-shadow: 0 0 0 2px rgba(249, 115, 22, .25); }
.member .m-name { font-weight: 700; margin-top: 10px; font-size: 15px; }
.member .m-role { font-size: 12.5px; color: var(--primary); margin-top: 2px; }
.member .m-doing { font-size: 13px; color: var(--ink-soft); margin-top: 8px; line-height: 1.6; }
.member .m-badge { display: inline-block; margin-top: 10px; font-size: 11px; letter-spacing: .08em; color: var(--ink-faint); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; }
/* 家族栅格（子页/降级用） */
.family-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-top: 18px; }
.family-grid .member { flex: none; }

/* ── 家族箴言 ── */
.motto { margin: 26px auto 0; max-width: 720px; text-align: center; font-family: var(--font-serif); font-size: clamp(15px, 2.2vw, 18px); color: var(--ink); line-height: 2; }
.motto em { font-style: normal; color: var(--primary); }

/* ── 宣言区 ── */
.manifesto { margin: 56px 0 8px; }
.manifesto h2 { font-family: var(--font-serif); font-size: clamp(24px, 3.6vw, 32px); line-height: 1.5; margin-bottom: 12px; }
.manifesto p { color: var(--ink-soft); max-width: 680px; margin-bottom: 14px; }

/* ── 价值观宣言（渐变面板） ── */
.northstar { margin: 60px 0 8px; text-align: center; padding: 52px 30px; background: linear-gradient(160deg, #1F1B18, #33261C 55%, #4A2E1B); border-radius: 24px; position: relative; overflow: hidden; }
.northstar::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -130px; top: -180px; background: radial-gradient(circle, rgba(249, 115, 22, .35), transparent 65%); filter: blur(60px); }
.northstar .eyebrow { color: #FDBA74; position: relative; }
.northstar h2 { font-family: var(--font-serif); font-size: clamp(22px, 3.4vw, 30px); line-height: 1.5; color: #FBFAF9; position: relative; }
.northstar p { color: rgba(251, 250, 249, .75); max-width: 620px; margin: 14px auto 0; position: relative; }
.northstar p strong { color: #FDBA74; }
.northstar .actions { justify-content: center; position: relative; }

/* ── 多端矩阵 ── */
.platforms { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.platform { flex: 1 1 150px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; text-align: center; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s; }
.platform:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); text-decoration: none; }
a.platform:hover { border-color: rgba(249, 115, 22, .4); }
.platform .p-name { font-weight: 700; font-size: 15px; color: var(--ink); }
.platform .p-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 4px; }
.platform.on .p-note { color: var(--primary); font-weight: 600; }

/* ── FAQ 手风琴 ── */
.faq { padding: 52px 0 16px; }
.faq h2 { font-family: var(--font-serif); font-size: clamp(22px, 3.2vw, 28px); margin-bottom: 18px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 22px; margin-bottom: 12px; box-shadow: var(--shadow-sm); transition: border-color .25s, box-shadow .25s; }
.faq details:hover { border-color: rgba(249, 115, 22, .35); }
.faq details[open] { border-color: rgba(249, 115, 22, .45); box-shadow: var(--shadow-lift); }
.faq summary { font-weight: 600; cursor: pointer; font-size: 15px; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; transition: transform .3s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 10px; color: var(--ink-soft); font-size: 14.5px; animation: faq-open .35s ease; }
@keyframes faq-open { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ── 区块末尾补充说明 ── */
.note { margin-top: 14px; font-size: 14.5px; color: var(--ink-soft); }

/* ── 页脚 ── */
footer.site { border-top: 1px solid var(--line); margin-top: 60px; padding: 30px 0 46px; font-size: 13px; color: var(--ink-soft); }
footer.site .cols { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px 32px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
footer.site a { color: var(--ink-soft); }
footer.site .legal { margin-top: 16px; color: var(--ink-faint); }

/* ── 动效偏好：一键全关 ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero::before, .hero::after, .hero-art img, .marquee-track { animation: none; }
  .card, .member, .facts li, .platform, .btn, .nav a.cta { transition: none; }
}
