:root { --primary:#2563eb; --primary-d:#1d4ed8; --accent:#0ea5e9; --bg:#f4f7fb; --card:#fff; --text:#1f2937; --muted:#6b7280; --line:#e6eaf0; --green:#10b981; --orange:#f59e0b; --red:#ef4444; --radius:14px; --shadow:0 8px 24px rgba(30,64,175,.08); }
* { box-sizing:border-box; margin:0; padding:0; }
body { font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif; background:var(--bg); color:var(--text); line-height:1.6; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; }
button { font-family:inherit; cursor:pointer; }
.nav { position:sticky; top:0; z-index:100; background:rgba(255,255,255,.85); backdrop-filter:blur(10px); border-bottom:1px solid var(--line); }
.nav-inner { max-width:1200px; margin:0 auto; padding:12px 20px; display:flex; align-items:center; gap:18px; }
.logo { font-size:19px; font-weight:800; color:var(--primary); display:flex; align-items:center; gap:8px; }
/* 企业 Logo：徽标 + 标准字 */
.brand { display:flex; align-items:center; gap:10px; }
.brand-mark { display:block; flex:0 0 auto; filter:drop-shadow(0 4px 10px rgba(37,99,235,.22)); }
.brand-text { display:flex; flex-direction:column; line-height:1.2; }
.brand-name { font-size:18px; font-weight:800; color:var(--primary); letter-spacing:.3px; white-space:nowrap; }
.brand-sub { margin-top:3px; font-size:11px; font-weight:500; color:var(--muted); letter-spacing:.6px; white-space:nowrap; }
.brand.light .brand-name { color:#fff; }
.brand.light .brand-sub { color:rgba(255,255,255,.7); }
.brand.light .brand-mark { filter:drop-shadow(0 4px 12px rgba(0,0,0,.25)); }
.nav-links { display:flex; gap:18px; margin-left:auto; flex-wrap:wrap; }
/* 手机端汉堡菜单按钮（默认隐藏，移动端显示） */
.nav-toggle { display:none; flex-direction:column; justify-content:center; align-items:center; gap:5px; width:42px; height:42px; margin-left:auto; padding:0; background:transparent; border:none; cursor:pointer; }
.nav-toggle span { display:block; width:23px; height:2.5px; background:var(--primary); border-radius:3px; transition:transform .28s ease, opacity .2s ease; }
.nav-toggle:hover span { background:#1d4ed8; }
.nav-links a { color:var(--muted); font-size:15px; padding:6px 4px; border-bottom:2px solid transparent; transition:.15s; }
.nav-links a:hover, .nav-links a.active { color:var(--primary); border-color:var(--primary); }
.wrap { max-width:1200px; margin:0 auto; padding:30px 20px 60px; }
.section-title { font-size:22px; font-weight:800; margin:6px 0 18px; }
.muted { color:var(--muted); }
.hero { background:linear-gradient(125deg,#1e3a8a 0%, #2563eb 45%, #0ea5e9 100%); color:#fff; border-radius:22px; padding:56px 44px; position:relative; overflow:hidden; box-shadow:var(--shadow); }
.hero::after { content:''; position:absolute; right:-60px; top:-60px; width:260px; height:260px; background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%); }
.hero-brand { position:absolute; right:34px; bottom:-26px; opacity:.16; pointer-events:none; z-index:0; }
.hero-brand .brand-mark { filter:none; }
.hero > *:not(.hero-brand) { position:relative; z-index:1; }
.hero h1 { font-size:40px; font-weight:900; margin-bottom:14px; letter-spacing:.5px; }
.hero p { font-size:17px; opacity:.92; max-width:660px; margin-bottom:26px; }
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; }
.btn { padding:12px 22px; border-radius:11px; font-size:15px; border:none; font-weight:700; transition:.15s; background:linear-gradient(135deg,var(--primary),var(--accent)); color:#fff; cursor:pointer; }
.btn-primary { background:#fff; color:var(--primary); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 20px rgba(0,0,0,.15); }
.btn-ghost { background:rgba(255,255,255,.15); color:#fff; border:1px solid rgba(255,255,255,.45); }
.btn-ghost:hover { background:rgba(255,255,255,.25); }
.hero-stats { display:flex; gap:38px; margin-top:34px; flex-wrap:wrap; }
.hero-stats .n { font-size:32px; font-weight:900; }
.hero-stats .l { opacity:.85; font-size:13px; }
.tracks { display:grid; grid-template-columns:1fr 1fr; gap:22px; }
/* 首页功能导航 */
.home-func { background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:34px 0; margin-top:34px; }
.func-cols { display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:16px; }
.func-col { border:1px solid var(--line); border-radius:16px; padding:20px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.func-col-h { font-size:18px; font-weight:800; display:flex; align-items:baseline; gap:10px; margin-bottom:14px; }
.func-col-h span { font-size:12px; color:var(--muted); font-weight:500; }
.func-links { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.func-link { display:flex; align-items:center; gap:8px; padding:12px 14px; border:1px solid var(--line); border-radius:12px; font-size:14px; font-weight:600; color:var(--text); transition:.15s; }
.func-link:hover { border-color:var(--primary); background:#f8fbff; color:var(--primary); transform:translateY(-2px); }
.func-link .fi { font-size:18px; }
.track-card { border-radius:20px; padding:30px; color:#fff; position:relative; overflow:hidden; min-height:210px; display:flex; flex-direction:column; justify-content:space-between; box-shadow:var(--shadow); transition:.2s; }
.track-card:hover { transform:translateY(-4px); }
.track-card.zb { background:linear-gradient(135deg,#1d4ed8,#3b82f6); }
.track-card.spring { background:linear-gradient(135deg,#0f766e,#10b981); }
.track-card h3 { font-size:26px; font-weight:900; }
.track-card .tg { opacity:.92; margin:6px 0 18px; font-size:14px; }
.track-card .go { align-self:flex-start; background:rgba(255,255,255,.22); padding:10px 18px; border-radius:10px; font-weight:700; }
.track-card .big { position:absolute; right:14px; bottom:4px; font-size:92px; opacity:.12; font-weight:900; }
.grid { display:grid; gap:18px; }
.grid-4 { grid-template-columns:repeat(4,1fr); }
.grid-3 { grid-template-columns:repeat(3,1fr); }
.grid-2 { grid-template-columns:repeat(2,1fr); }
.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:22px; transition:.18s; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.card:hover { transform:translateY(-3px); box-shadow:var(--shadow); }
.card .ic { width:46px; height:46px; border-radius:13px; display:grid; place-items:center; font-size:22px; background:linear-gradient(135deg,#eef4ff,#e0f2fe); margin-bottom:12px; }
.card h3 { font-size:17px; margin-bottom:6px; }
.card p { font-size:14px; color:var(--muted); }
.card .more { display:inline-block; margin-top:12px; color:var(--primary); font-size:14px; font-weight:700; }
.school { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:20px; transition:.18s; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.school:hover { transform:translateY(-3px); box-shadow:var(--shadow); }
.school .name { font-size:18px; font-weight:800; }
.tag { display:inline-block; font-size:12px; padding:3px 10px; border-radius:20px; background:#eef4ff; color:var(--primary); margin:6px 6px 0 0; }
.tag.g { background:#ecfdf5; color:#059669; }
.tag.o { background:#fef3c7; color:#b45309; }
.tag.fee { background:#f1f5f9; color:#475569; }
.school .desc { font-size:14px; color:var(--muted); margin:12px 0; }
.school .meta { font-size:13px; color:var(--muted); display:flex; justify-content:space-between; gap:10px; border-top:1px dashed var(--line); padding-top:12px; flex-wrap:wrap; }
.toolbar { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:20px; align-items:center; }
.input, .select { padding:10px 12px; border:1px solid var(--line); border-radius:10px; font-size:14px; min-width:180px; background:#fff; }
.input:focus, .select:focus { outline:none; border-color:var(--primary); box-shadow:0 0 0 3px rgba(37,99,235,.12); }
.table { width:100%; border-collapse:collapse; background:#fff; border-radius:12px; overflow:hidden; box-shadow:0 1px 3px rgba(0,0,0,.05); }
.table th, .table td { padding:12px 14px; text-align:left; font-size:14px; border-bottom:1px solid var(--line); }
.table th { background:#f8fafc; color:var(--muted); font-weight:700; }
.table tr:hover td { background:#f7faff; }
.badge { font-size:12px; padding:2px 9px; border-radius:7px; }
.badge.b { background:#fee2e2; color:#b91c1c; }
.badge.g { background:#dcfce7; color:#15803d; }
.badge.o { background:#fef3c7; color:#b45309; }
.form-box { max-width:440px; margin:40px auto; background:#fff; border:1px solid var(--line); border-radius:18px; padding:32px; box-shadow:var(--shadow); }
.form-box h2 { margin-bottom:20px; text-align:center; }
.form-box label { display:block; font-size:14px; margin:14px 0 6px; font-weight:600; }
.form-box .input { width:100%; }
.form-box .btn { width:100%; margin-top:22px; background:linear-gradient(135deg,var(--primary),var(--accent)); color:#fff; border:none; }
.hint { font-size:13px; color:var(--muted); text-align:center; margin-top:14px; }
.article { background:#fff; border:1px solid var(--line); border-radius:12px; padding:18px 20px; margin-bottom:14px; transition:.15s; }
.article:hover { box-shadow:var(--shadow); }
.article h3 { font-size:16px; }
.article .cat { font-size:12px; color:var(--primary); background:#eef4ff; padding:2px 9px; border-radius:7px; margin-right:8px; }
.article .date { font-size:12px; color:var(--muted); }
.article p { font-size:14px; color:var(--muted); margin-top:8px; }
.footer { background:#0f172a; color:#cbd5e1; margin-top:40px; font-size:14px; }
.footer-grid { display:grid; grid-template-columns:1.8fr 1fr 1fr 1.2fr; gap:30px; padding:44px 0 26px; }
.footer .f-logo { display:flex; align-items:center; gap:8px; font-size:19px; font-weight:800; color:#fff; margin-bottom:14px; }
.footer .f-logo .dot { width:10px; height:10px; border-radius:50%; background:linear-gradient(135deg,#2563eb,#0ea5e9); display:inline-block; }
.footer .footer-brand .muted { color:#94a3b8; font-size:13px; line-height:1.8; }
.footer-col h4 { color:#fff; font-size:15px; font-weight:700; margin-bottom:14px; }
.footer-col a { display:block; color:#93c5fd; margin-bottom:10px; font-size:14px; transition:.15s; }
.footer-col a:hover { color:#fff; }
.footer-col .f-line { color:#94a3b8; font-size:13px; line-height:1.9; margin:0; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding:18px 0; display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; font-size:12px; color:#64748b; }
.footer-bottom .f-bei { color:#64748b; }
/* 模拟填报 */
.fill-wrap { max-width:900px; margin:0 auto; }
.fill-card { background:#fff; border:1px solid var(--line); border-radius:18px; padding:28px; box-shadow:var(--shadow); }
.fill-card h2 { font-size:20px; margin-bottom:4px; }
.fill-card .sub { color:var(--muted); font-size:14px; margin-bottom:8px; }
.fill-tip { background:#eff6ff; border:1px solid #bfdbfe; color:#1e40af; padding:12px 14px; border-radius:10px; font-size:13px; margin:18px 0; }
.fill-sec { margin-top:22px; padding-top:20px; border-top:1px solid var(--line); }
.fill-sec > .lab { font-weight:800; font-size:15px; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
.fill-sec .req { color:var(--red); }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field > label { display:block; font-size:13px; color:var(--muted); margin-bottom:6px; }
.field .input, .field .select { width:100%; min-width:0; }
.chips { display:flex; flex-wrap:wrap; gap:10px; }
.chip { border:1px solid var(--line); background:#fff; border-radius:22px; padding:8px 14px; font-size:13px; cursor:pointer; transition:.15s; user-select:none; }
.chip:hover { border-color:var(--primary); }
.chip.on { background:var(--primary); color:#fff; border-color:var(--primary); }
.radio-row { display:flex; flex-wrap:wrap; gap:10px; }
.radio { border:1px solid var(--line); background:#fff; border-radius:10px; padding:10px 14px; font-size:14px; cursor:pointer; transition:.15s; }
.radio:hover { border-color:var(--primary); }
.radio.on { background:#eff6ff; border-color:var(--primary); color:var(--primary); font-weight:700; }
.fill-actions { margin-top:26px; display:flex; gap:12px; }
.btn-submit { background:linear-gradient(135deg,var(--primary),var(--accent)); color:#fff; padding:13px 28px; border-radius:11px; font-weight:800; font-size:15px; border:none; box-shadow:0 6px 16px rgba(37,99,235,.3); }
.btn-submit:hover { filter:brightness(1.05); }
.btn-reset { background:#fff; border:1px solid var(--line); padding:13px 22px; border-radius:11px; font-weight:700; }
/* 方案 */
.plan-summary { background:#fff; border:1px solid var(--line); border-radius:14px; padding:16px 20px; display:flex; gap:26px; flex-wrap:wrap; margin-bottom:22px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.plan-summary .it b { font-size:18px; color:var(--primary); }
.plan-summary .it span { font-size:12px; color:var(--muted); display:block; }
.plan-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.plan-col { background:#fff; border:1px solid var(--line); border-radius:16px; padding:16px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.plan-col h4 { font-size:16px; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
.plan-col.rush { border-top:3px solid var(--red); }
.plan-col.stable { border-top:3px solid var(--orange); }
.plan-col.safe { border-top:3px solid var(--green); }
.pitem { border:1px solid var(--line); border-radius:12px; padding:12px 14px; margin-bottom:12px; transition:.15s; }
.pitem:hover { box-shadow:var(--shadow); }
.pitem .school { font-weight:800; font-size:15px; }
.pitem .major { font-size:13px; color:var(--muted); margin:2px 0 8px; }
.pitem .line { display:flex; flex-wrap:wrap; gap:6px; align-items:center; }
.mini { font-size:11px; padding:2px 8px; border-radius:6px; background:#f1f5f9; color:#475569; }
.mini.ok { background:#dcfce7; color:#15803d; }
.mini.warn { background:#fee2e2; color:#b91c1c; }
.mini.want { background:#ede9fe; color:#6d28d9; }
.mini.city { background:#cffafe; color:#0e7490; }
.mini.score { background:#eef2ff; color:#4338ca; }
.scorebar { height:6px; background:#e5e7eb; border-radius:4px; margin-top:10px; overflow:hidden; }
.scorebar > i { display:block; height:100%; background:linear-gradient(90deg,var(--primary),var(--accent)); }
.empty { text-align:center; color:var(--muted); padding:40px; background:#fff; border:1px dashed var(--line); border-radius:14px; }
.hist-item { background:#fff; border:1px solid var(--line); border-radius:12px; padding:14px 16px; margin-bottom:12px; }
.hist-item h4 { font-size:15px; }
.hist-item .row { display:flex; gap:8px; flex-wrap:wrap; margin-top:8px; }
@media (max-width:860px){
  .grid-4,.grid-3 { grid-template-columns:1fr 1fr; }
  .tracks { grid-template-columns:1fr; }
  .plan-grid { grid-template-columns:1fr; }
  .hero h1 { font-size:28px; }
  .field-row { grid-template-columns:1fr; }
  .func-cols { grid-template-columns:1fr; }
  .func-links { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  /* 手机端导航：隐藏横向菜单，显示汉堡按钮 + 下拉面板 */
  .nav-toggle { display:flex; }
  .nav-links { display:none; }
  .nav.open .nav-links {
    display:flex; flex-direction:column; align-items:stretch; gap:0;
    position:absolute; top:100%; left:0; right:0; margin:0;
    background:#fff; border-bottom:1px solid var(--line);
    padding:8px 20px 14px; box-shadow:0 12px 24px rgba(30,64,175,.10);
    max-height:80vh; overflow:auto;
  }
  .nav.open .nav-links a { padding:13px 4px; border-bottom:1px solid var(--line); font-size:16px; color:var(--text); border-radius:0; }
  .nav.open .nav-links a:last-child { border-bottom:none; }
  .nav.open .nav-links a.active { color:var(--primary); border-color:var(--line); }
  .nav.open .nav-links .nav-cta { margin:10px 0 0; justify-content:center; }
  .nav.open .nav-toggle span:nth-child(1) { transform:translateY(7.5px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2) { opacity:0; }
  .nav.open .nav-toggle span:nth-child(3) { transform:translateY(-7.5px) rotate(-45deg); }
}
@media (max-width:560px){ .grid-4,.grid-3,.grid-2 { grid-template-columns:1fr; } .plan-summary { gap:14px; } .footer-grid { grid-template-columns:1fr; } }
/* 官网三屏 */
.site { margin-top:0; }
.site-screen { }
.screen1 { padding:18px 0 0; }
.site-carousel { position:relative; border-radius:18px; overflow:hidden; box-shadow:var(--shadow); }
.slides { display:flex; transition:transform .5s ease; }
.slide { min-width:100%; box-sizing:border-box; color:#fff; padding:90px 44px; min-height:380px; display:flex; align-items:center; position:relative; overflow:hidden; }
.slide-in { max-width:700px; }
.slide-in .kicker { font-size:14px; letter-spacing:3px; opacity:.92; margin-bottom:12px; font-weight:600; }
.slide-in h2 { font-size:40px; font-weight:900; margin-bottom:14px; line-height:1.25; }
.slide-in p { font-size:17px; opacity:.92; margin-bottom:26px; }
.slide-in .btn-primary { background:#fff; color:var(--primary); display:inline-block; }
.car-nav { position:absolute; top:50%; transform:translateY(-50%); width:44px; height:44px; border-radius:50%; border:none; background:rgba(255,255,255,.22); color:#fff; font-size:26px; line-height:1; cursor:pointer; transition:.15s; }
.car-nav.prev { left:14px; } .car-nav.next { right:14px; }
.car-nav:hover { background:rgba(255,255,255,.42); }
.dots { position:absolute; bottom:18px; left:50%; transform:translateX(-50%); display:flex; gap:8px; }
.dots .dot { width:10px; height:10px; border-radius:50%; background:rgba(255,255,255,.5); cursor:pointer; transition:.2s; }
.dots .dot.on { background:#fff; width:26px; border-radius:6px; }
.screen2 { background:linear-gradient(180deg,#f8fafc,#eef2f7); padding:48px 0; margin-top:30px; }
.screen3 { background:#fff; padding:48px 0; }
/* 产品卡片：顶部插图 + 文案（接近官网产品展示） */
.prod { background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden; display:flex; flex-direction:column; box-shadow:0 1px 2px rgba(0,0,0,.04); transition:.22s; }
.prod:hover { transform:translateY(-6px); box-shadow:0 16px 34px rgba(30,64,175,.14); border-color:#cfe0ff; }
.prod-art { position:relative; width:100%; aspect-ratio:16/10; background:#f4f8ff; overflow:hidden; }
.prod-art .prod-svg { display:block; width:100%; height:100%; transition:transform .35s ease; }
.prod:hover .prod-art .prod-svg { transform:scale(1.05); }
.prod-art .p-ic { position:absolute; left:14px; top:14px; width:38px; height:38px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:19px; background:rgba(255,255,255,.92); box-shadow:0 4px 12px rgba(30,64,175,.14); backdrop-filter:blur(2px); }
.prod-body { padding:20px 20px 22px; text-align:left; flex:1; display:flex; flex-direction:column; }
.prod-body h3 { font-size:17px; margin-bottom:8px; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.prod-body .ptag { font-size:11px; font-weight:700; color:var(--primary); background:#eaf2ff; border-radius:6px; padding:2px 7px; }
.prod-body p { font-size:13px; color:var(--muted); line-height:1.75; }
.prod-more { margin-top:14px; color:var(--primary); font-size:13px; font-weight:700; display:inline-flex; align-items:center; gap:5px; }
.prod-more i { font-style:normal; transition:transform .2s; }
.prod:hover .prod-more i { transform:translateX(4px); }
/* 轮播页企业标识水印 */
.slide-mark { position:absolute; right:-18px; bottom:-30px; opacity:.13; pointer-events:none; }
.slide-in .kicker { display:flex; align-items:center; gap:8px; }
.partner { background:linear-gradient(135deg,#f6f9ff,#e0f2fe); border:1px solid #dbeafe; border-radius:16px; padding:24px 18px; text-align:center; box-shadow:0 1px 2px rgba(0,0,0,.04); transition:.18s; }
.partner:hover { transform:translateY(-3px); box-shadow:var(--shadow); }
.partner .p-badge { width:46px; height:46px; margin:0 auto 12px; border-radius:13px; display:flex; align-items:center; justify-content:center; font-size:20px; font-weight:800; color:#fff; background:linear-gradient(135deg,#2563eb,#0ea5e9); box-shadow:0 6px 14px rgba(30,64,175,.22); }
.partner .p-name { font-size:16px; font-weight:800; color:#1e3a8a; }
.partner .p-type { font-size:12px; color:var(--muted); margin-top:6px; }
/* 方案分析 */
.analysis { margin-top:30px; display:flex; flex-direction:column; gap:18px; }
.an-card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:22px; box-shadow:0 1px 3px rgba(0,0,0,.05); }
.an-card h4 { font-size:17px; margin-bottom:12px; }
.an-card .an-body { font-size:14px; color:#374151; line-height:1.7; }
.an-card .an-body b { color:var(--primary); }
.advice { margin:0; padding-left:20px; }
.advice li { margin:9px 0; color:#374151; font-size:14px; line-height:1.7; }
@media (max-width:560px){ .slide { padding:60px 24px; min-height:320px; } .slide-in h2 { font-size:28px; } }
/* 联系我们 */
.contact-head { text-align:center; padding:30px 0 24px; }
.contact-head h1 { font-size:30px; font-weight:900; color:var(--primary); }
.contact-head p { color:var(--muted); margin-top:8px; }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.contact-card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:24px; box-shadow:var(--shadow); }
.contact-card h3 { font-size:18px; margin-bottom:16px; }
.ci { display:flex; align-items:center; gap:14px; padding:12px 0; border-bottom:1px dashed var(--line); }
.ci:last-child { border-bottom:none; }
.ci .ic { font-size:24px; width:46px; height:46px; display:flex; align-items:center; justify-content:center; background:#eef4ff; border-radius:12px; }
.ci .l { font-size:13px; color:var(--muted); }
.ci .v { font-size:16px; font-weight:700; }
.contact-qr { text-align:center; }
.contact-qr img { width:180px; height:180px; border:1px solid var(--line); border-radius:14px; object-fit:cover; }
.contact-qr .qr-empty { width:180px; height:180px; margin:0 auto; display:flex; align-items:center; justify-content:center; border:1px dashed var(--line); border-radius:14px; color:var(--muted); font-size:14px; }
.contact-qr .muted { margin-top:12px; font-size:13px; }
.contact-about { margin-top:20px; }
@media (max-width:680px){ .contact-grid { grid-template-columns:1fr; } }
/* 导航登录/注册入口 */
.nav-cta { position:relative; overflow:hidden; margin-left:8px; padding:10px 24px; border-radius:12px; background:linear-gradient(135deg,#4b8ef7,#2563eb); color:#fff; font-size:15px; font-weight:700; letter-spacing:2px; white-space:nowrap; display:inline-flex; align-items:center; gap:5px; box-shadow:0 6px 16px rgba(37,99,235,.28); transition:transform .18s ease, box-shadow .18s ease, opacity .15s; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 10px 22px rgba(37,99,235,.38); color:#fff; }
.nav-cta:active { transform:translateY(0); box-shadow:0 5px 12px rgba(37,99,235,.3); }
.nav-cta.active { box-shadow:0 0 0 3px rgba(37,99,235,.18), 0 6px 16px rgba(37,99,235,.28); }
/* 覆盖 .nav-links a 的默认文字色，保证按钮文字为白色 */
.nav-links a.nav-cta { color:#fff; border-bottom:none; }
.nav-links a.nav-cta:hover, .nav-links a.nav-cta.active { color:#fff; border-color:transparent; }
/* 考试要求/招生规定 Tab */
.tabs { display:flex; gap:10px; margin:6px 0 22px; flex-wrap:wrap; }
.tab { padding:10px 22px; border:1px solid var(--line); background:#fff; border-radius:999px; font-size:15px; font-weight:600; color:var(--muted); cursor:pointer; transition:.15s; }
.tab:hover { border-color:var(--primary); color:var(--primary); }
.tab.on { background:linear-gradient(135deg,var(--primary),var(--accent)); color:#fff; border-color:transparent; }
/* 登录/注册按钮（浅色背景） */
.btn-line { background:#fff; color:var(--primary); border:1px solid var(--primary); }
.btn-line:hover { background:#eef4ff; }
/* 未登录拦截提示 */
.gate { max-width:520px; margin:40px auto; background:#fff; border:1px solid var(--line); border-radius:18px; padding:40px 30px; text-align:center; box-shadow:var(--shadow); }
.gate-ic { font-size:46px; margin-bottom:10px; }
.gate h3 { font-size:20px; margin-bottom:10px; }
.gate .muted { margin-bottom:22px; }
.gate-btns { display:flex; gap:14px; justify-content:center; }
.gate-btns .btn { min-width:120px; }