/* ============================================================
   Asia-Pacific Zone College (APZCN) — 英国公学风格静态站
   ============================================================ */
:root {
  --navy: #0b2545;
  --navy-2: #13315c;
  --gold: #c9a227;
  --gold-2: #b58a1a;
  --cream: #f7f4ec;
  --white: #ffffff;
  --ink: #1f2933;
  --grey: #5b6572;
  --line: #e4dfd3;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: var(--white); line-height: 1.65; }
img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold-2); }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: var(--serif); }

/* ---------- 顶栏 (信息条) ---------- */
.topbar { background: var(--navy); color: #dbe4f0; font-size: 13px; padding: 7px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.topbar a { color: #dbe4f0; }
.topbar a:hover { color: var(--gold); }
.topbar .tb-motto { letter-spacing: .4px; }

/* ---------- 页头 ---------- */
.site-header { background: var(--white); border-bottom: 3px solid var(--gold); position: sticky; top: 0; z-index: 50; box-shadow: 0 1px 4px rgba(11,37,69,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 52px; width: auto; }
.brand-name { font-family: var(--serif); font-size: 21px; font-weight: 700; color: var(--navy); line-height: 1.15; letter-spacing: .2px; }
.brand-sub { font-size: 11.5px; color: var(--grey); letter-spacing: 1.6px; text-transform: uppercase; margin-top: 2px; }

.nav { display: flex; gap: 4px; align-items: center; }
.nav a { padding: 8px 13px; font-size: 14.5px; font-weight: 600; color: var(--navy); border-radius: 3px; }
.nav a:hover { background: var(--cream); color: var(--gold-2); }
.nav .btn-cta { background: var(--navy); color: #fff; padding: 9px 18px; border-radius: 3px; font-size: 13.5px; }
.nav .btn-cta:hover { background: var(--gold-2); color: #fff; }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 4px; font-size: 22px; padding: 2px 12px; cursor: pointer; color: var(--navy); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, #0b2545 0%, #13315c 55%, #1d4a7a 100%); color: #fff; padding: 90px 0 84px; position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; right: -140px; top: -140px; width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(201,162,39,.22) 0%, transparent 65%); }
.hero::before { content: ''; position: absolute; left: -120px; bottom: -160px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 60%); }
.hero .container { position: relative; z-index: 2; }
.hero .kicker { color: var(--gold); text-transform: uppercase; letter-spacing: 3px; font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.hero h1 { font-family: var(--serif); font-size: 48px; line-height: 1.18; font-weight: 700; max-width: 760px; }
.hero h1 em { color: var(--gold); font-style: italic; }
.hero p { max-width: 680px; margin-top: 18px; font-size: 17.5px; color: #d7e2f0; }
.hero .hero-actions { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 28px; border-radius: 3px; font-weight: 700; font-size: 15px; letter-spacing: .3px; }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-2); color: #fff; }
.btn-outline { border: 2px solid rgba(255,255,255,.75); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); color: var(--gold); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--gold-2); color: #fff; }

/* ---------- 通用板块 ---------- */
.section { padding: 74px 0; }
.section.cream { background: var(--cream); }
.section.navy { background: var(--navy); color: #e6edf7; }
.kicker { text-transform: uppercase; letter-spacing: 2.6px; font-size: 12.5px; font-weight: 700; color: var(--gold-2); margin-bottom: 10px; }
h2 { font-family: var(--serif); font-size: 34px; color: var(--navy); line-height: 1.25; margin-bottom: 14px; }
.section.navy h2 { color: #fff; }
.lead { font-size: 17px; color: var(--grey); max-width: 720px; }
.section.navy .lead { color: #c8d6ea; }

/* ---------- 历史条 ---------- */
.history { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.history h3 { font-family: var(--serif); font-size: 26px; color: var(--navy); margin: 12px 0 10px; }
.history p { color: var(--grey); margin-bottom: 12px; }
.link-more { font-weight: 700; font-size: 14.5px; color: var(--gold-2); border-bottom: 2px solid var(--gold); padding-bottom: 2px; }
.panel-visual { background: linear-gradient(150deg, #d9c58a 0%, #c9a227 60%, #a8861c 100%); border-radius: 8px; padding: 40px 34px; color: var(--navy); box-shadow: 0 14px 34px rgba(11,37,69,.18); }
.panel-visual .crest-big { width: 110px; margin-bottom: 16px; }
.panel-visual h4 { font-family: var(--serif); font-size: 23px; }
.panel-visual p { font-size: 14px; margin-top: 8px; opacity: .85; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--gold); border-radius: 6px; padding: 26px 24px; box-shadow: 0 4px 14px rgba(11,37,69,.05); transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(11,37,69,.12); }
.card .num { font-family: var(--serif); font-size: 15px; color: var(--gold-2); font-weight: 700; letter-spacing: 1px; }
.card h3 { font-family: var(--serif); font-size: 20px; color: var(--navy); margin: 8px 0 8px; }
.card p { font-size: 14.5px; color: var(--grey); }
.card a.link-more { font-size: 13.5px; }

/* ---------- 引用区 ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote { background: #fff; border-radius: 6px; padding: 26px 24px; box-shadow: 0 4px 14px rgba(11,37,69,.06); position: relative; }
.quote::before { content: '\201C'; font-family: var(--serif); font-size: 64px; color: var(--gold); line-height: .6; display: block; margin-bottom: 10px; opacity: .5; }
.quote p { font-family: var(--serif); font-style: italic; font-size: 16.5px; color: var(--navy); }
.quote .who { margin-top: 12px; font-size: 13px; font-weight: 700; color: var(--grey); text-transform: uppercase; letter-spacing: 1px; }

/* ---------- CTA 条 ---------- */
.cta-strip { background: var(--gold); }
.cta-strip .container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.cta-cell { padding: 46px 34px; color: var(--navy); border-left: 1px solid rgba(11,37,69,.15); }
.cta-cell:first-child { border-left: none; }
.cta-cell h3 { font-family: var(--serif); font-size: 24px; margin-bottom: 10px; }
.cta-cell p { font-size: 14.5px; margin-bottom: 16px; opacity: .88; }
.cta-cell .btn { background: var(--navy); color: #fff; padding: 10px 22px; font-size: 13.5px; }
.cta-cell .btn:hover { background: #fff; color: var(--navy); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy); color: #c8d6ea; padding: 56px 0 0; font-size: 14px; }
.site-footer h4 { color: #fff; font-family: var(--serif); font-size: 17px; margin-bottom: 14px; }
.site-footer .container { display: grid; grid-template-columns: 1.2fr .9fr 1fr; gap: 40px; padding-bottom: 40px; }
.site-footer a { color: #c8d6ea; display: block; padding: 3px 0; }
.site-footer a:hover { color: var(--gold); }
.site-footer .reg { font-size: 12.5px; color: #8fa3bd; margin-top: 10px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0; font-size: 12.5px; color: #8fa3bd; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* ---------- 页头横幅 (子页) ---------- */
.page-hero { background: linear-gradient(135deg, #0b2545 0%, #13315c 60%, #1d4a7a 100%); color: #fff; padding: 64px 0 58px; }
.page-hero h1 { font-family: var(--serif); font-size: 42px; }
.page-hero p { color: #d7e2f0; margin-top: 10px; max-width: 720px; font-size: 16.5px; }
.breadcrumb { font-size: 13px; color: var(--gold); margin-bottom: 12px; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- 内容排版 ---------- */
.prose { max-width: 820px; }
.prose h2 { font-size: 28px; margin-top: 34px; }
.prose h3 { font-family: var(--serif); font-size: 22px; color: var(--navy); margin: 26px 0 10px; }
.prose p { margin-bottom: 14px; color: var(--grey); }
.prose ul { margin: 0 0 16px 22px; color: var(--grey); }
.prose li { margin-bottom: 6px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; }

/* ---------- 价值卡 ---------- */
.value-card { background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: 6px; padding: 30px 28px; margin-bottom: 22px; box-shadow: 0 4px 14px rgba(11,37,69,.05); }
.value-card h3 { font-family: var(--serif); font-size: 24px; color: var(--navy); margin-bottom: 10px; }
.value-card p { color: var(--grey); }

/* ---------- 旅程步骤 ---------- */
.steps { counter-reset: step; }
.step { display: flex; gap: 22px; margin-bottom: 26px; }
.step .step-n { counter-increment: step; flex: 0 0 54px; height: 54px; border-radius: 50%; background: var(--navy); color: var(--gold); font-family: var(--serif); font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.step .step-n::after { content: counter(step, upper-alpha); }
.step h3 { font-family: var(--serif); font-size: 21px; color: var(--navy); }
.step p { color: var(--grey); font-size: 15px; }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; margin: 16px 0 26px; font-size: 14.5px; }
.tbl th { background: var(--navy); color: #fff; text-align: left; padding: 11px 14px; font-size: 13.5px; letter-spacing: .4px; }
.tbl td { border-bottom: 1px solid var(--line); padding: 11px 14px; color: var(--ink); }
.tbl tr:nth-child(even) td { background: var(--cream); }

/* ---------- 联系人/表单 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 26px; box-shadow: 0 4px 14px rgba(11,37,69,.05); }
.contact-card h3 { font-family: var(--serif); color: var(--navy); font-size: 20px; margin-bottom: 8px; }
.contact-card p { color: var(--grey); font-size: 14.5px; }
.contact-card a { font-weight: 600; color: var(--navy); }
.contact-card a:hover { color: var(--gold-2); }

/* ---------- 页脚徽章 ---------- */
.badge-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 18px; }
.badge { border: 1px solid rgba(255,255,255,.35); border-radius: 4px; padding: 8px 14px; font-size: 12.5px; letter-spacing: .5px; color: #fff; }

/* ---------- 404 ---------- */
.err404 { text-align: center; padding: 110px 24px; }
.err404 h1 { font-family: var(--serif); font-size: 90px; color: var(--navy); }
.err404 p { color: var(--grey); margin: 10px 0 26px; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .quotes { grid-template-columns: 1fr; }
  .history, .split { grid-template-columns: 1fr; }
  .cta-strip .container { grid-template-columns: 1fr; }
  .cta-cell { border-left: none; border-top: 1px solid rgba(11,37,69,.15); }
  .cta-cell:first-child { border-top: none; }
  .site-footer .container { grid-template-columns: 1fr; gap: 28px; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px; border-bottom: 3px solid var(--gold); box-shadow: 0 14px 26px rgba(11,37,69,.14); }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 34px; }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .topbar .tb-contact { display: none; }
}

/* ---------- 图片 ---------- */
.card img.card-img { width: calc(100% + 48px); height: 150px; object-fit: cover; margin: -26px -24px 18px; border-radius: 4px 4px 0 0; display: block; }
.fig { border-radius: 6px; overflow: hidden; box-shadow: 0 10px 24px rgba(11,37,69,.14); margin: 20px 0; background: #fff; }
.fig img { width: 100%; display: block; }
.fig figcaption { padding: 9px 14px; font-size: 12.5px; color: var(--grey); border: 1px solid var(--line); border-top: none; }
.img-round { border-radius: 6px; box-shadow: 0 10px 24px rgba(11,37,69,.14); width: 100%; display: block; }
.staff-row { display: flex; align-items: center; gap: 22px; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 20px; margin-bottom: 18px; box-shadow: 0 4px 14px rgba(11,37,69,.05); }
.staff-row img { width: 92px; height: 92px; border-radius: 50%; object-fit: cover; border: 3px solid var(--gold); }
.staff-row h3 { font-family: var(--serif); color: var(--navy); font-size: 19px; }
.staff-row .role { color: var(--gold-2); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.staff-row p { color: var(--grey); font-size: 14px; margin-top: 6px; }