/* 元启留学官网 v1.0 - 主样式 */
:root {
  --blue: #0f4c81;
  --blue-dark: #0a3560;
  --blue-light: #e8f0f9;
  --purple: #6b3fa0;
  --purple-light: #f3edf9;
  --accent: #e6a23c;
  --orange: #f4a261;
  --text: #2b3440;
  --muted: #6b7684;
  --line: #e3e8ee;
  --bg: #f7f9fb;
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; color: var(--text); background: #fff; line-height: 1.75; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ===== 头部导航 ===== */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none !important; }
.logo-mark { width: 42px; height: 42px; border-radius: 9px; background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: #fff; font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.logo-text { color: var(--text); font-size: 19px; font-weight: 700; line-height: 1.2; }
.logo-text small { display: block; font-size: 11px; color: var(--muted); font-weight: 400; }
.logo-img { height: 44px; max-width: 200px; width: auto; object-fit: contain; border-radius: 8px; }
.main-nav { display: flex; align-items: center; gap: 14px; }
.main-nav a { color: var(--text); font-size: 14px; text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; white-space: nowrap; }
.main-nav a:hover { color: var(--blue); text-decoration: none; }
.main-nav a.on { color: var(--blue); border-bottom-color: var(--blue); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--text); cursor: pointer; }

/* ===== 通用 ===== */
.btn { display: inline-block; background: var(--blue); color: #fff !important; padding: 11px 26px; border-radius: 6px; font-size: 15px; text-decoration: none !important; border: none; cursor: pointer; transition: background .2s; }
.btn:hover { background: var(--blue-dark); }
.btn-sm { padding: 7px 18px; font-size: 14px; }
.btn-outline { background: transparent; border: 1.5px solid var(--blue); color: var(--blue) !important; }
.btn-outline:hover { background: var(--blue-light); }
.btn-danger { background: #c0392b; }
.btn-danger:hover { background: #a93226; }

.page-hero { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); color: #fff; padding: 64px 0 72px; text-align: center; }
.page-hero h1 { font-size: 34px; margin-bottom: 12px; }
.page-hero p { font-size: 17px; opacity: .9; max-width: 640px; margin: 0 auto; }

.section { padding: 56px 0; }
.section.alt { background: var(--bg); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 { font-size: 28px; color: var(--text); margin-bottom: 8px; }
.section-head p { color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: 0 8px 24px rgba(15, 76, 129, .1); transform: translateY(-3px); }
.card h3 { font-size: 18px; margin-bottom: 10px; color: var(--blue-dark); }
.card p { font-size: 14.5px; color: var(--muted); }
.card .icon { font-size: 28px; margin-bottom: 12px; display: block; }

.tag { display: inline-block; background: var(--blue-light); color: var(--blue); border-radius: 4px; padding: 1px 9px; font-size: 12.5px; margin: 0 6px 6px 0; }

/* ===== 首页 ===== */
.hero { background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 100%); color: #fff; padding: 80px 0 90px; }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.3; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: #ffd88a; }
.hero p.sub { font-size: 17px; opacity: .92; margin-bottom: 22px; }
.hero .hero-tag { display: inline-block; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 30px; padding: 5px 14px; font-size: 13px; margin-bottom: 16px; }
.hero .btn { margin-right: 14px; }
.hero .btn-outline { border-color: #fff; color: #fff !important; }
.hero .btn-outline:hover { background: rgba(255,255,255,.12); }
.hero-stats { background: rgba(255,255,255,.1); border-radius: var(--radius); padding: 30px 28px; backdrop-filter: blur(4px); }
.hero-stats .num { font-size: 32px; font-weight: 700; color: #ffd88a; }
.hero-stats .lbl { font-size: 13.5px; opacity: .85; margin-bottom: 18px; }
.hero-stats .lbl:last-child { margin-bottom: 0; }

/* ===== 通用 Section 增强 ===== */
.section { padding: 64px 0; }
.section.alt { background: var(--bg); }
.section.dark { background: var(--blue-dark); color: #fff; }
.section.dark .section-head h2, .section.dark .section-head p { color: #fff; }
.section.dark .section-head p { opacity: .8; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 { font-size: 30px; color: var(--text); margin-bottom: 10px; }
.section-head .eyebrow { color: var(--accent); font-size: 13.5px; letter-spacing: 2px; font-weight: 600; text-transform: uppercase; margin-bottom: 8px; }
.section-head p { color: var(--muted); max-width: 720px; margin: 0 auto; }

/* ===== 数据条 / KPI Bar ===== */
.kpi-bar { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); color: #fff; padding: 40px 0; }
.kpi-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 24px; text-align: center; }
.kpi .num { font-size: 34px; font-weight: 800; color: #ffd88a; line-height: 1.1; }
.kpi .lbl { font-size: 14px; opacity: .9; margin-top: 8px; }

/* ===== 三大支柱 ===== */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--blue); border-radius: var(--radius); padding: 32px 26px; text-align: center; }
.pillar:nth-child(2) { border-top-color: var(--purple); }
.pillar:nth-child(3) { border-top-color: var(--orange); }
.pillar .ph { font-size: 22px; font-weight: 700; color: var(--blue-dark); margin-bottom: 10px; }
.pillar .pt { color: var(--muted); font-size: 14.5px; line-height: 1.8; }

/* ===== 核心业务（6 圆环风格） ===== */
.core-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.core-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: transform .2s, box-shadow .2s; }
.core-item:hover { transform: translateY(-4px); box-shadow: 0 8px 22px rgba(15,76,129,.12); }
.core-item .ring { width: 70px; height: 70px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--purple)); color: #fff; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 14px; font-weight: 700; }
.core-item h3 { font-size: 17px; color: var(--blue-dark); margin-bottom: 8px; }
.core-item p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ===== 7 业务模块网格 ===== */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.module-cell { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 26px; background: #fff; }
.module-cell h3 { color: var(--blue-dark); font-size: 18px; margin-bottom: 8px; }
.module-cell .tags { color: var(--accent); font-size: 13px; margin-top: 10px; }

/* ===== 时间轴（10 步流程） ===== */
.timeline { position: relative; padding: 20px 0; }
.timeline::before { content: ''; position: absolute; left: 30px; top: 0; bottom: 0; width: 2px; background: var(--blue-light); }
.tl-step { position: relative; padding-left: 80px; margin-bottom: 32px; }
.tl-step:last-child { margin-bottom: 0; }
.tl-step .badge { position: absolute; left: 0; top: 0; width: 60px; height: 60px; background: var(--blue); color: #fff; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 12px; line-height: 1.1; }
.tl-step .badge b { font-size: 18px; font-weight: 800; }
.tl-step h3 { font-size: 19px; color: var(--blue-dark); margin-bottom: 6px; }
.tl-step p { color: var(--muted); }

/* ===== 对比表 ===== */
.compare-table { width: 100%; border-collapse: collapse; font-size: 14.5px; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.compare-table th, .compare-table td { border: 1px solid var(--line); padding: 14px 16px; vertical-align: top; }
.compare-table th { background: var(--blue); color: #fff; text-align: left; }
.compare-table th:first-child { background: var(--blue-dark); width: 14%; }
.compare-table tr:nth-child(even) td { background: var(--bg); }
.compare-table td.old { color: var(--muted); }
.compare-table td.new { color: var(--text); }
.compare-table td.new::before { content: '✓ '; color: var(--blue); font-weight: 700; }
.compare-table ul { list-style: none; padding: 0; margin: 0; }
.compare-table li { padding: 3px 0; line-height: 1.7; }

/* ===== 价值服务（3 大导向） ===== */
.value-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); color: #fff; border-radius: var(--radius); padding: 36px 28px; text-align: center; }
.value-card:nth-child(2) { background: linear-gradient(135deg, var(--purple), #4a2974); }
.value-card:nth-child(3) { background: linear-gradient(135deg, var(--orange), #c97a3f); }
.value-card h3 { font-size: 22px; margin-bottom: 10px; }
.value-card p { opacity: .9; font-size: 14.5px; line-height: 1.8; }

/* ===== Offer 墙 ===== */
.offer-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.offer-tile { background: linear-gradient(135deg, #2a8957, #1d6b43); color: #fff; border-radius: 8px; padding: 18px 14px; text-align: center; font-weight: 600; font-size: 14.5px; transition: transform .2s; }
.offer-tile:hover { transform: translateY(-3px); }
.offer-tile .badge { display: block; font-size: 11px; opacity: .8; margin-top: 4px; font-weight: 400; }
.offer-region { background: #f3edf9; border-left: 4px solid var(--purple); padding: 14px 18px; border-radius: 6px; margin: 24px 0 14px; font-weight: 700; color: var(--purple); font-size: 16px; }
.offer-region:first-of-type { margin-top: 0; }

/* ===== 团队卡 ===== */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.team-card { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: var(--radius); padding: 24px 26px; transition: transform .2s, box-shadow .2s; }
.team-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(15,76,129,.1); }
.team-card.writer { border-left-color: var(--purple); }
.team-card .name { font-size: 20px; color: var(--blue-dark); font-weight: 700; margin-bottom: 2px; }
.team-card .role { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.team-card .edu { color: var(--text); font-size: 14.5px; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.team-card .bio { color: var(--muted); font-size: 14px; line-height: 1.75; }
.team-card .hl { margin-top: 12px; color: var(--blue); font-size: 13px; font-weight: 600; }

/* ===== 口碑卡 ===== */
.quote-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; position: relative; }
.quote-card::before { content: '"'; position: absolute; top: 4px; left: 14px; font-size: 64px; color: var(--blue-light); line-height: 1; font-family: Georgia, serif; }
.quote-card .text { color: var(--text); font-size: 14.5px; line-height: 1.85; margin-bottom: 14px; }
.quote-card .author { color: var(--blue-dark); font-weight: 700; font-size: 14.5px; }
.quote-card .meta { color: var(--muted); font-size: 12.5px; }
.quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

/* ===== 文化卡 ===== */
.culture-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; text-align: center; }
.culture-card .lbl { color: var(--accent); font-size: 13px; letter-spacing: 2px; font-weight: 600; margin-bottom: 10px; }
.culture-card h3 { color: var(--blue-dark); font-size: 20px; margin-bottom: 8px; }
.culture-card p { color: var(--muted); font-size: 14.5px; line-height: 1.85; }

/* ===== 活动卡 ===== */
.activity-card { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.activity-card .placeholder { background: linear-gradient(135deg, var(--blue-light), #d6e3f2); border-radius: 8px; height: 130px; display: flex; align-items: center; justify-content: center; color: var(--blue); font-size: 40px; }
.activity-card h3 { color: var(--blue-dark); font-size: 19px; margin-bottom: 8px; }
.activity-card p { color: var(--muted); font-size: 14.5px; }

/* ===== 联系信息卡 ===== */
.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.contact-info { background: var(--blue); color: #fff; border-radius: var(--radius); padding: 36px 30px; }
.contact-info h3 { font-size: 22px; margin-bottom: 18px; }
.contact-info .item { margin-bottom: 18px; }
.contact-info .item .lbl { font-size: 12.5px; opacity: .8; letter-spacing: 1px; }
.contact-info .item .val { font-size: 18px; font-weight: 600; }
.contact-info .qrcode { background: #fff; width: 130px; height: 130px; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--blue); font-size: 12px; text-align: center; margin-top: 16px; }

/* 复用其他 */
.case-card { position: relative; }
.case-card .result { color: #c0392b; font-weight: 700; margin-top: 8px; }
.case-card .year { position: absolute; top: 18px; right: 20px; color: var(--muted); font-size: 13px; }

.article-item { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.article-item:last-child { border-bottom: none; }
.article-item .date { color: var(--muted); font-size: 13px; min-width: 96px; padding-top: 3px; }
.article-item h3 { font-size: 17px; font-weight: 600; }
.article-item h3 a { color: var(--text); }
.article-item h3 a:hover { color: var(--blue); }
.article-item p { color: var(--muted); font-size: 14px; margin-top: 4px; }

.cta-band { background: linear-gradient(135deg, var(--blue), var(--purple)); color: #fff; text-align: center; padding: 64px 20px; }
.cta-band h2 { font-size: 28px; margin-bottom: 10px; }
.cta-band p { opacity: .9; margin-bottom: 24px; }
.cta-band .btn { background: #fff; color: var(--blue) !important; font-weight: 600; }

/* ===== 正文页 ===== */
.page-body { padding: 48px 0 64px; }
.content-article { max-width: 800px; margin: 0 auto; }
.content-article h1 { font-size: 30px; line-height: 1.4; margin-bottom: 14px; }
.content-meta { color: var(--muted); font-size: 14px; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.content-article h2 { font-size: 22px; margin: 32px 0 12px; color: var(--blue-dark); }
.content-article h3 { font-size: 18px; margin: 24px 0 10px; }
.content-article p { margin-bottom: 14px; }
.content-article ul, .content-article ol { margin: 0 0 14px 22px; }
.content-article table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14.5px; }
.content-article th, .content-article td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.content-article th { background: var(--blue-light); color: var(--blue-dark); }

.breadcrumb { font-size: 13.5px; color: var(--muted); margin-bottom: 26px; }
.breadcrumb a { color: var(--muted); }

.pager { display: flex; gap: 10px; justify-content: center; margin-top: 32px; }
.pager a, .pager span { padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; color: var(--text); text-decoration: none !important; }
.pager .cur { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ===== 表单 ===== */
.form-wrap { max-width: 620px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.form-wrap h2 { font-size: 22px; margin-bottom: 6px; }
.form-wrap .hint { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; font-size: 15px; font-family: inherit; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(15,76,129,.12); }
.hp { position: absolute; left: -9999px; }
.alert-ok { background: #e8f6ec; color: #1e7e34; border-radius: 6px; padding: 12px 16px; margin-bottom: 18px; }
.alert-err { background: #fdeceb; color: #c0392b; border-radius: 6px; padding: 12px 16px; margin-bottom: 18px; }

/* ===== 页脚 ===== */
.site-footer { background: #14263a; color: #b9c4d0; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 36px; padding: 48px 20px 32px; }
.footer-logo { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 12px; }
.site-footer a { color: #b9c4d0; display: block; margin-bottom: 8px; font-size: 14px; }
.site-footer a:hover { color: #fff; }
.copyright { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 20px; font-size: 13px; color: #8393a5; text-align: center; }
.copyright .beian { margin-top: 6px; }
.copyright .beian a { display: inline; color: #8393a5; margin: 0; }
.copyright .beian a:hover { color: #fff; }
.custom-block { font-size: 15px; line-height: 1.9; color: var(--text); }
.custom-block img { max-width: 100%; height: auto; border-radius: 8px; }

/* ===== 后台 ===== */
.admin-body { background: #f0f3f7; min-height: 100vh; }
.admin-topbar { background: #14263a; color: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 54px; }
.admin-topbar .brand { font-weight: 700; color: #fff; text-decoration: none !important; font-size: 16px; }
.admin-topbar nav a { color: #c9d3de; text-decoration: none !important; margin-left: 18px; font-size: 14px; }
.admin-topbar nav a:hover { color: #fff; }
.admin-wrap { display: grid; grid-template-columns: 200px 1fr; min-height: calc(100vh - 54px); }
.admin-side { background: #fff; border-right: 1px solid var(--line); padding: 18px 0; }
.admin-side a { display: block; padding: 11px 24px; color: var(--text); text-decoration: none !important; font-size: 14.5px; border-left: 3px solid transparent; }
.admin-side a.on, .admin-side a:hover { background: var(--blue-light); color: var(--blue); border-left-color: var(--blue); }
.admin-main { padding: 28px; }
.admin-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin-bottom: 22px; }
.admin-card h1 { font-size: 21px; margin-bottom: 18px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.stat .num { font-size: 26px; font-weight: 700; color: var(--blue); }
.stat .lbl { font-size: 13px; color: var(--muted); }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
table.data th { background: var(--bg); color: var(--blue-dark); font-size: 13px; }
table.data a { text-decoration: none; }
.inline-form { display: inline; }
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 380px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px; }
.login-box h1 { font-size: 20px; text-align: center; margin-bottom: 24px; }
.admin-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

/* ===== 留学目的地板块：地区切换条 ===== */
.region-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.region-tabs a { padding: 8px 18px; background: #fff; border: 1px solid var(--line); border-radius: 999px; color: var(--text); text-decoration: none; font-size: 14px; transition: all .15s; }
.region-tabs a:hover { border-color: var(--blue); color: var(--blue); }
.region-tabs a.on { background: var(--blue); color: #fff; border-color: var(--blue); }

/* 申请时间线圆环 */
.tl-step .tl-badge { position: absolute; left: 0; top: 0; width: 60px; height: 60px; background: var(--blue); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 700; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-wrap { grid-template-columns: 1fr; }
  .admin-side { display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--line); }
  .admin-side a { white-space: nowrap; border-left: none; border-bottom: 3px solid transparent; }
  .admin-side a.on { border-bottom-color: var(--blue); }
  .pillars, .value-3, .team-grid, .quote-grid, .contact-grid, .core-grid, .module-grid, .activity-card { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .offer-wall { grid-template-columns: repeat(3, 1fr); }
  .activity-card { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 12px 24px; border-bottom: 1px solid var(--line); gap: 4px; }
  body.nav-open .main-nav { display: flex; }
  .main-nav a { padding: 10px 0; }
  .page-hero h1, .hero h1 { font-size: 26px; }
  .article-item { flex-direction: column; gap: 4px; }
  .article-item .date { min-width: 0; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-wall { grid-template-columns: repeat(2, 1fr); }
}