/* ============================================================
   东海国际官网 · iOS 苹果简约风 style.css
   白底 + 浅灰分区 + 近黑文字 + 金色点缀 + 大圆角 + 毛玻璃
   ============================================================ */
:root {
  --bg: #FFFFFF;
  --bg-soft: #F5F5F7;
  --ink: #1D1D1F;
  --ink-soft: #6E6E73;
  --line: #E8E8ED;
  --gold: #C9A24B;
  --gold-deep: #9C732C;
  --navy: #0B1F33;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0,0,0,0.08);
  --font: -apple-system, "SF Pro SC", "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== 导航（毛玻璃白底） ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow .35s;
}
header.scrolled { box-shadow: 0 6px 30px rgba(0,0,0,0.08); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 30px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.logo { display: flex; align-items: center; }
.logo img { height: 40px; width: auto; mix-blend-mode: multiply; }
nav ul { display: flex; list-style: none; gap: 34px; }
nav ul li { position: relative; }
nav ul li a {
  color: var(--ink); font-size: 15px; font-weight: 500; letter-spacing: -0.01em;
  transition: color .2s; padding: 6px 0; display: block;
}
nav ul li a:hover, nav ul li a.active { color: var(--gold-deep); }
/* 下拉菜单 */
nav ul li .dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--line); border-radius: 14px;
  min-width: 190px; padding: 8px 0; opacity: 0; visibility: hidden;
  transition: all .25s; box-shadow: var(--shadow);
}
nav ul li:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
nav ul li .dropdown a { padding: 10px 22px; font-size: 14px; white-space: nowrap; border-radius: 8px; margin: 0 6px; }
nav ul li .dropdown a:hover { background: var(--bg-soft); color: var(--ink); }
.nav-cta {
  background: var(--gold); color: #fff; font-weight: 600;
  padding: 9px 22px; border-radius: 980px; font-size: 14px; letter-spacing: -0.01em;
  transition: all .25s; white-space: nowrap;
}
.nav-cta:hover { background: var(--gold-deep); transform: scale(1.03); }

/* ===== 子页 Hero ===== */
.page-hero {
  background: var(--bg); color: var(--ink);
  padding: 160px 0 90px; text-align: center;
}
.page-hero .crumbs {
  font-size: 13px; color: var(--ink-soft); letter-spacing: 0.02em; margin-bottom: 24px;
}
.page-hero .crumbs a:hover { color: var(--gold-deep); }
.page-hero h1 {
  font-weight: 700; letter-spacing: -0.02em;
  font-size: clamp(40px, 5.2vw, 64px); line-height: 1.15;
}
.page-hero .lead {
  margin: 26px auto 0; max-width: 640px; color: var(--ink-soft);
  font-size: 17px; line-height: 1.8;
}
.page-hero .hero-actions { margin-top: 36px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 按钮（胶囊圆角） ===== */
.btn-primary {
  background: var(--gold); color: #fff; font-weight: 600;
  padding: 13px 32px; border-radius: 980px; font-size: 15px; letter-spacing: -0.01em;
  transition: all .25s; display: inline-block;
}
.btn-primary:hover { background: var(--gold-deep); transform: scale(1.03); }
.btn-ghost {
  border: 1px solid var(--line); color: var(--ink);
  padding: 13px 32px; border-radius: 980px; font-size: 15px; letter-spacing: -0.01em;
  transition: all .25s; display: inline-block;
}
.btn-ghost:hover { border-color: var(--ink); }
.btn-outline {
  border: 1px solid var(--line); color: var(--ink);
  padding: 11px 28px; border-radius: 980px; font-size: 14px; letter-spacing: -0.01em;
  transition: all .25s; display: inline-block;
}
.btn-outline:hover { border-color: var(--gold-deep); color: var(--gold-deep); }

/* ===== 通用区块 ===== */
section { padding: 96px 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 30px; }
.sec-kicker {
  color: var(--gold-deep); font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  margin-bottom: 14px; text-transform: uppercase;
}
.sec-title {
  font-size: clamp(30px, 3.8vw, 46px); font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.25;
}
.sec-desc { margin-top: 20px; color: var(--ink-soft); font-size: 16.5px; max-width: 680px; line-height: 1.8; }
.bg-white { background: var(--bg); }
.bg-soft { background: var(--bg-soft); }
.bg-dark {
  background: var(--navy); color: #fff; position: relative; overflow: hidden;
  border-radius: 0;
}
.bg-dark .sec-title { color: #fff; }
.bg-dark .sec-desc { color: rgba(255,255,255,0.75); }
.bg-dark .sec-kicker { color: var(--gold); }
.bg-dark::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 700px 400px at 85% 10%, rgba(201,162,75,0.14), transparent 60%);
}
.bg-dark .container { position: relative; z-index: 2; }

/* ===== 两栏排版 ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split .sec-desc { margin-top: 0; }
.split .sec-desc + .sec-desc { margin-top: 16px; }
.split p { max-width: 560px; }
.split ul { list-style: none; margin-top: 24px; }
.split ul li {
  padding: 13px 0; border-bottom: 1px solid var(--line);
  font-size: 15px; color: var(--ink-soft);
  display: flex; gap: 12px; align-items: flex-start;
}
.split ul li::before { content: "✓"; color: var(--gold-deep); font-weight: 600; flex-shrink: 0; }
.split ul li strong { color: var(--ink); font-weight: 600; }

/* 图片占位（浅色） */
.ph {
  background: linear-gradient(160deg, #F0F0F2, #E5E5E8);
  border: 1px dashed #C7C7CC;
  border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #A1A1A6; font-size: 13px; letter-spacing: 0.02em;
  aspect-ratio: 4/3; text-align: center; gap: 8px; position: relative; overflow: hidden;
}
.ph::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 300px 180px at 30% 25%, rgba(201,162,75,0.1), transparent 60%);
}
.ph .ph-icon { font-size: 26px; opacity: 0.5; }
.ph .ph-label { position: relative; z-index: 2; }
.ph-16x9 { aspect-ratio: 16/9; }

/* ===== 数字统计条 ===== */
.stats-bar {
  display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  padding: 36px 0;
}
.stat .num { font-size: 42px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; }
.stat .num sup { font-size: 18px; font-weight: 600; color: var(--gold-deep); }
.stat .label { color: var(--ink-soft); font-size: 13.5px; margin-top: 4px; }
.stats-bar.on-dark .num { color: #fff; }
.stats-bar.on-dark .label { color: rgba(255,255,255,0.6); }
.stats-bar.on-dark .num sup { color: var(--gold); }

/* ===== 卡片（大圆角无边框） ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card {
  background: var(--bg); border: 1px solid var(--line);
  padding: 34px 30px; transition: all .3s ease; border-radius: var(--radius);
  display: flex; flex-direction: column;
}
.grid-3 .card, .grid-2 .card { height: 100%; }
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.bg-soft .card { background: var(--bg); }
.card .tag { font-size: 12.5px; color: var(--gold-deep); font-weight: 600; letter-spacing: 0.03em; }
.card h4 { font-size: 20px; font-weight: 600; margin: 14px 0 10px; letter-spacing: -0.01em; }
.card p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.75; }
.card ul { list-style: none; margin-top: 14px; }
.card ul li {
  font-size: 14px; color: var(--ink-soft);
  padding: 6px 0 6px 20px; position: relative; line-height: 1.6;
}
.card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-deep); font-weight: 600; }

/* ===== 流程步骤 ===== */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-top: 44px; counter-reset: step; }
.step { position: relative; padding-top: 40px; border-top: 1px solid var(--line); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: -13px; left: 0;
  background: var(--gold); color: #fff; font-weight: 600;
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 11px;
}
.step h5 { font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 8px; }
.step p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.65; }

/* ===== 时间线 ===== */
.timeline { position: relative; margin-top: 48px; padding-left: 32px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 30px 26px; }
.tl-item::before {
  content: ""; position: absolute; left: -31px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold); border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--gold);
}
.tl-item .year { font-size: 22px; font-weight: 700; color: var(--gold-deep); letter-spacing: -0.01em; }
.tl-item h4 { font-size: 18px; font-weight: 600; margin: 6px 0 8px; letter-spacing: -0.01em; }
.tl-item p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.8; }

/* ===== 表格 ===== */
.table-wrap {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow-x: auto; margin-top: 36px; background: var(--bg);
}
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
thead th {
  background: var(--bg-soft); color: var(--ink); font-weight: 600;
  padding: 15px 20px; text-align: left; letter-spacing: 0.01em; font-size: 13px;
}
tbody td { padding: 15px 20px; border-top: 1px solid var(--line); color: var(--ink-soft); line-height: 1.7; }
tbody tr:hover { background: var(--bg-soft); }
tbody td strong { color: var(--ink); font-weight: 600; }

/* ===== 引用块 ===== */
.quote-lead {
  border-left: 3px solid var(--gold); padding: 4px 0 4px 24px;
  font-size: clamp(18px, 2.2vw, 24px); font-weight: 600; letter-spacing: -0.01em;
  line-height: 1.6; margin: 36px 0; max-width: 780px;
}

/* ===== FAQ ===== */
.faq-item { border-bottom: 1px solid var(--line); padding: 24px 0; }
.faq-item summary {
  cursor: pointer; font-size: 16.5px; font-weight: 600;
  letter-spacing: -0.01em; list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--gold-deep); font-weight: 400; transition: transform .3s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 14px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.8; }

/* ===== CTA ===== */
.cta { background: var(--bg-soft); text-align: center; padding: 96px 0; }
.cta .sec-title { margin: 0 auto; }
.cta .sec-desc { margin: 20px auto 0; }
/* 底部收束CTA：深蓝底 + 联系方式（区别于Hero浅灰） */
.cta-final { background: linear-gradient(135deg, #0F2E4D 0%, #1B3A5C 100%); color: #fff; text-align: center; padding: 96px 0; }
.cta-final .sec-title { margin: 0 auto; color: #fff; }
.cta-final .sec-desc { margin: 20px auto 0; color: rgba(255,255,255,.78); }
.cta-final .sec-kicker { color: #C69A5C; justify-content: center; }
.cta-final .cta-btn { background: var(--gold); color: #0F2E4D; }
.cta-final .cta-btn:hover { background: #D9AE62; }
.cta-final .cta-contact { margin-top: 28px; display: flex; justify-content: center; gap: 34px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,.82); }
.cta-final .cta-contact b { color: #fff; font-weight: 600; }
/* 业务卡片金色指标 */
.biz-metric { margin: 14px 0 0; font-size: 13px; font-weight: 600; color: var(--gold-deep); letter-spacing: .02em; }
.biz-metric::before { content: "▍"; margin-right: 6px; color: var(--gold); }
/* 学校/院校紧凑卡片网格——配色收敛为品牌深蓝金黑白灰体系 */
.sch-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sch-card { background: #fff; border: 1px solid #EAE7E2; border-radius: 14px; padding: 18px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 7px; transition: all .2s; position: relative; }
.sch-card:hover { border-color: #B8944F; box-shadow: 0 8px 24px rgba(0,0,0,.08); transform: translateY(-3px); }
.sch-card .sc-rank { position: absolute; top: 12px; right: 12px; background: #F7F1E3; color: #8A6A2F; font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 5px; }
.sch-card .sc-name { font-weight: 700; font-size: 16px; line-height: 1.4; padding-right: 58px; color: #1C1917; }
.sch-card .sc-en { font-size: 11.5px; color: #78716C; line-height: 1.5; }
.sch-card .sc-region { font-size: 12.5px; color: #78716C; }
.sch-card .sc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.sch-card .sc-tag { font-size: 11px; padding: 3px 8px; border-radius: 5px; white-space: nowrap; background: #F3F1EE; color: #57534E; }
.sch-card .sc-link { margin-top: auto; padding-top: 10px; border-top: 1px solid #F1EFEB; font-size: 12.5px; color: #8A6A2F; font-weight: 600; display: flex; align-items: center; gap: 4px; }
.sch-card .sc-link::after { content: "→"; transition: transform .15s; }
.sch-card:hover .sc-link::after { transform: translateX(3px); }
@media (max-width: 1024px) { .sch-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .sch-grid { grid-template-columns: repeat(2, 1fr); } }
.group-title { margin: 30px 0 14px; font-size: 18px; color: #1C1917; border-left: 4px solid #B8944F; padding-left: 10px; }
.cta-btn {
  display: inline-block; margin-top: 40px;
  background: var(--gold); color: #fff; font-weight: 600;
  padding: 15px 46px; border-radius: 980px; font-size: 15px; letter-spacing: -0.01em;
  transition: all .3s;
}
.cta-btn:hover { background: var(--gold-deep); transform: scale(1.03); }

/* ===== 页脚（深色圆角） ===== */
footer { background: var(--navy); color: rgba(255,255,255,0.6); padding: 72px 0 36px; }
.foot-inner { max-width: 1200px; margin: 0 auto; padding: 0 30px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.foot-brand img { width: 140px; mix-blend-mode: screen; margin-bottom: 16px; }
.foot-brand p { margin-top: 0; font-size: 13.5px; line-height: 1.9; max-width: 300px; }
.foot-col h6 { color: var(--gold); font-size: 13px; letter-spacing: 0.03em; margin-bottom: 20px; font-weight: 600; }
.foot-col ul { list-style: none; }
.foot-col ul li { margin-bottom: 11px; }
.foot-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color .2s; }
.foot-col ul li a:hover { color: var(--gold); }
.foot-bottom {
  max-width: 1200px; margin: 52px auto 0; padding: 24px 30px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12.5px; color: rgba(255,255,255,0.4);
}

/* ===== 留资表单 ===== */
.form-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 44px; box-shadow: var(--shadow);
}
.form-card h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 6px; }
.form-card .form-sub { color: var(--ink-soft); font-size: 14px; margin-bottom: 30px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 9px; color: var(--ink); }
.form-group label .req { color: #E03131; }
.check-group { display: flex; flex-wrap: wrap; gap: 10px; }
.check-item {
  border: 1px solid var(--line); padding: 9px 18px; border-radius: 980px;
  font-size: 13.5px; color: var(--ink-soft); cursor: pointer; transition: all .2s; user-select: none;
}
.check-item:hover { border-color: var(--gold-deep); }
.check-item.on {
  border-color: var(--gold-deep); background: rgba(201,162,75,0.12);
  color: var(--gold-deep); font-weight: 600;
}
input[type="text"], input[type="tel"], textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 16px; font-size: 14.5px; font-family: var(--font); color: var(--ink);
  transition: all .2s; background: var(--bg-soft);
}
input:focus, textarea:focus {
  outline: none; border-color: var(--gold-deep);
  background: var(--bg); box-shadow: 0 0 0 4px rgba(201,162,75,0.15);
}
textarea { resize: vertical; min-height: 96px; }
.form-submit {
  width: 100%; background: var(--navy); color: #fff; font-weight: 600;
  padding: 15px; border: none; border-radius: 980px; font-size: 15.5px; letter-spacing: 0.02em;
  cursor: pointer; transition: all .25s; font-family: var(--font);
}
.form-submit:hover { background: var(--gold-deep); }
.form-note { margin-top: 12px; font-size: 12px; color: var(--ink-soft); text-align: center; }

/* ===== 联系信息卡 ===== */
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.contact-card {
  border: 1px solid var(--line); background: var(--bg);
  padding: 30px 28px; border-radius: var(--radius);
}
.contact-card .city {
  font-size: 19px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.contact-card .city::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.contact-card dl { display: grid; grid-template-columns: 64px 1fr; row-gap: 10px; font-size: 14px; }
.contact-card dt { color: var(--ink-soft); }
.contact-card dd { color: var(--ink); word-break: break-all; }

/* ===== 动效 ===== */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-child {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in .reveal-child { opacity: 1; transform: translateY(0); }
.grid-3 > *, .grid-2 > *, .biz-grid > *, .steps > *, .stats-bar > *,
.why-grid > *, .promise-grid > *, .timeline > *, .contact-cards > * {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in .grid-3 > *, .reveal.in .grid-2 > *, .reveal.in .biz-grid > *, .reveal.in .steps > *, .reveal.in .stats-bar > *,
.reveal.in .why-grid > *, .reveal.in .promise-grid > *, .reveal.in .timeline > *, .reveal.in .contact-cards > *,
.reveal.in.grid-3 > *, .reveal.in.grid-2 > *, .reveal.in.biz-grid > *, .reveal.in.steps > *, .reveal.in.stats-bar > *,
.reveal.in.why-grid > *, .reveal.in.promise-grid > *, .reveal.in.timeline > *, .reveal.in.contact-cards > * {
  opacity: 1; transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-child,
  .grid-3 > *, .grid-2 > *, .biz-grid > *, .steps > *, .stats-bar > *,
  .why-grid > *, .promise-grid > *, .timeline > *, .contact-cards > * {
    opacity: 1; transform: none; transition: none;
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .split { grid-template-columns: 1fr; gap: 36px; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 32px; }
  .foot-inner { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  nav ul { display: none; }
  .nav-cta { display: none; }
  section { padding: 72px 0; }
  .page-hero { padding: 130px 0 64px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { gap: 24px; }
  .form-card { padding: 28px 20px; }
  .container, .nav-inner, .foot-inner, .foot-bottom { padding-left: 20px; padding-right: 20px; }
}

/* ===== 楼盘详情页 ===== */
.prop-hero { padding-bottom: 64px; }
.prop-detail { padding-top: 64px; }
.prop-main { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: stretch; }
.prop-hero-img {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 4/3; background: var(--bg);
}
.prop-hero-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prop-stats {
  display: flex; flex-direction: column; gap: 14px;
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px;
}
.prop-stat {
  border-bottom: 1px dashed var(--line); padding-bottom: 14px;
}
.prop-stat:last-child { border-bottom: none; padding-bottom: 0; }
.prop-label { font-size: 12.5px; color: var(--ink-soft); letter-spacing: 0.04em; margin-bottom: 6px; }
.prop-val { font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.45; }
.prop-body { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; }
.prop-text .sec-desc { margin-top: 14px; }
.prop-list { list-style: none; margin-top: 18px; }
.prop-list li {
  position: relative; padding: 8px 0 8px 26px; font-size: 15px; color: var(--ink);
  line-height: 1.65; border-bottom: 1px solid var(--line-soft, rgba(13,32,54,0.06));
}
.prop-list li::before {
  content: ""; position: absolute; left: 4px; top: 16px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--gold);
}
.prop-cons li::before { background: var(--ink-soft); }
.prop-side { position: sticky; top: 100px; }
.prop-side-card { padding: 30px 26px; }
.prop-card { text-decoration: none; color: inherit; cursor: pointer; }
.prop-card .prop-img {
  border-radius: calc(var(--radius) - 6px); overflow: hidden; aspect-ratio: 16/10;
  border: 1px solid var(--line); background: var(--bg);
}
.prop-card .prop-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.prop-card:hover .prop-img img { transform: scale(1.05); }
.prop-card h4 { font-size: 17px; margin: 16px 0 6px; }
.prop-card p { font-size: 13.5px; color: var(--ink-soft); }

/* ===== 动画增强：更明显的丝滑入场 ===== */
.reveal, .reveal-child,
.grid-3 > *, .grid-2 > *, .biz-grid > *, .steps > *, .stats-bar > *,
.why-grid > *, .promise-grid > *, .timeline > *, .contact-cards > * {
  transition: opacity .65s cubic-bezier(.22,.61,.36,1), transform .65s cubic-bezier(.22,.61,.36,1);
}
.reveal { transform: translateY(34px) scale(.985); }
.reveal.in { transform: translateY(0) scale(1); }
.reveal-child, .grid-3 > *, .grid-2 > *, .biz-grid > *, .steps > *, .stats-bar > *,
.why-grid > *, .promise-grid > *, .timeline > *, .contact-cards > * {
  transform: translateY(22px);
}
.reveal.in .reveal-child, .reveal.in .grid-3 > *, .reveal.in .grid-2 > *,
.reveal.in .biz-grid > *, .reveal.in .steps > *, .reveal.in .stats-bar > *,
.reveal.in .why-grid > *, .reveal.in .promise-grid > *, .reveal.in .timeline > *,
.reveal.in .contact-cards > *,
.reveal.in.reveal-child, .reveal.in.grid-3 > *, .reveal.in.grid-2 > *, .reveal.in.biz-grid > *,
.reveal.in.steps > *, .reveal.in.stats-bar > *, .reveal.in.why-grid > *,
.reveal.in.promise-grid > *, .reveal.in.timeline > *, .reveal.in.contact-cards > * {
  transform: translateY(0);
}
/* 卡片 hover 更明显的浮起 */
.card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(10,28,48,.13); }
.prop-card:hover { transform: translateY(-5px); }
/* 图片容器 hover 微缩放 */
.ph img, .prop-hero-img img { transition: transform .8s cubic-bezier(.22,.61,.36,1); }
.ph:hover img { transform: scale(1.03); }
/* 数字滚动强调 */
.stats-bar .num { transition: color .4s ease; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-child,
  .grid-3 > *, .grid-2 > *, .biz-grid > *, .steps > *, .stats-bar > *,
  .why-grid > *, .promise-grid > *, .timeline > *, .contact-cards > * {
    opacity: 1; transform: none; transition: none;
  }
}

/* ===== 详情页响应式 ===== */
@media (max-width: 1024px) {
  .prop-main, .prop-body { grid-template-columns: 1fr; gap: 32px; }
  .prop-side { position: static; }
}
@media (max-width: 720px) {
  .prop-stats { padding: 22px; }
  .prop-hero-img { aspect-ratio: 16/10; }
}

/* ===== 视频容器（独立于 .ph 占位） ===== */
.video-frame {
  position: relative; width: 100%; aspect-ratio: 16/9;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: #0B1F33;
}
.video-frame video {
  display: block; width: 100%; height: 100%; object-fit: contain;
  background: #000;
}

/* ===== 案例/Offer 缩略图（按原素材 A4 竖版比例） ===== */
.offer-cell {
  aspect-ratio: 0.707 !important;
  background: #F2F3F5;
  display: block !important;
  padding: 0 !important;
}
.offer-cell::before { display: none !important; }
.offer-cell img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  border-radius: calc(var(--radius) - 4px);
}