:root{--c-primary:#4fc3f7;--font:'Microsoft YaHei','PingFang SC',sans-serif;}
/* ============ 清呼呼吸健康 气流上升风 ============ */
:root {
  --sky:#4fc3f7;
  --soft:#f2faff;
  --deep:#01579b;
  --blue-mid:#0288d1;
  --ink:#0e3b5c;
  --muted:#5b84a3;
  --line:rgba(2,136,209,.18);
  --shadow:0 16px 40px rgba(79,195,247,.22);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:"Microsoft YaHei","PingFang SC",sans-serif; color:var(--ink); background:var(--soft); overflow-x:hidden; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* 气泡 */
.bubble { position:absolute; width:16px; height:16px; border-radius:50%; background:rgba(79,195,247,.25); border:1px solid rgba(79,195,247,.5); animation:rise 6s linear infinite; }
.bubble::after { content:""; position:absolute; top:3px; left:4px; width:4px; height:4px; border-radius:50%; background:rgba(255,255,255,.8); }
@keyframes rise { 0%{transform:translateY(0); opacity:0;} 15%{opacity:.9;} 100%{transform:translateY(-160px); opacity:0;} }

/* 上升气流线 */
.air-line { position:absolute; width:1px; height:120px; background:linear-gradient(180deg,transparent,rgba(79,195,247,.4),transparent); opacity:.55; animation:airup 5s linear infinite; }
@keyframes airup { 0%{transform:translateY(40px); opacity:0;} 30%{opacity:.8;} 100%{transform:translateY(-120px); opacity:0;} }

/* ---------- 导航 ---------- */
.site-header { position:fixed; top:0; left:0; right:0; z-index:999; background:rgba(242,250,255,.94); backdrop-filter:blur(10px); box-shadow:0 2px 16px rgba(79,195,247,.16); }
.nav-wrap { display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo { display:flex; align-items:center; gap:12px; }
.logo-mark { width:42px; height:42px; border-radius:14px; background:linear-gradient(135deg,var(--sky),var(--deep)); display:flex; align-items:center; justify-content:center; box-shadow:0 8px 20px rgba(79,195,247,.4); }
.logo-mark i { width:20px; height:20px; border:3px solid #fff; border-radius:50% 50% 46% 46%; position:relative; }
.logo-mark i::before { content:""; position:absolute; left:5px; top:-5px; width:2px; height:8px; background:#fff; }
.logo-mark i::after { content:""; position:absolute; left:5px; top:12px; width:2px; height:8px; background:#fff; }
.logo-text { display:flex; flex-direction:column; line-height:1.15; }
.logo-text b { font-size:20px; font-weight:800; color:var(--ink); letter-spacing:1px; }
.logo-text span { font-size:10px; letter-spacing:3px; color:var(--sky); font-weight:700; margin-top:2px; }
.main-nav { display:flex; gap:6px; }
.main-nav a { padding:10px 16px; font-size:15px; font-weight:600; color:var(--ink); border-radius:30px; transition:.3s; }
.main-nav a:hover { color:var(--sky); background:#fff; }
.main-nav a.active { background:linear-gradient(135deg,var(--sky),var(--blue-mid)); color:#fff; box-shadow:0 8px 20px rgba(79,195,247,.4); }
.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span { width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.3s; }

/* ---------- Hero：一口深呼吸 ---------- */
.hero { padding:150px 0 90px; position:relative; overflow:hidden; background:
  radial-gradient(600px 400px at 82% 30%, rgba(79,195,247,.28), transparent 62%),
  linear-gradient(180deg,#e8f6ff 0%,var(--soft) 100%); }
.hero .air-line:nth-child(1){ left:8%; bottom:0; animation-delay:0s; }
.hero .air-line:nth-child(2){ left:22%; bottom:0; animation-delay:1.2s; }
.hero .air-line:nth-child(3){ left:76%; bottom:0; animation-delay:.6s; }
.hero .air-line:nth-child(4){ left:90%; bottom:0; animation-delay:1.8s; }
.hero .bubble:nth-child(5){ left:12%; bottom:60px; animation-delay:.8s; }
.hero .bubble:nth-child(6){ left:30%; bottom:20px; animation-delay:2s; }
.hero .bubble:nth-child(7){ right:14%; bottom:80px; animation-delay:1.4s; }
.hero-inner { display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center; }
.hero-tag { display:inline-block; padding:8px 20px; background:rgba(255,255,255,.8); border:1px solid var(--line); border-radius:30px; font-size:13px; font-weight:700; letter-spacing:2px; color:var(--blue-mid); margin-bottom:24px; }
.hero h1 { font-size:48px; line-height:1.28; font-weight:800; color:var(--ink); margin-bottom:22px; letter-spacing:1px; }
.hero h1 em { font-style:normal; color:var(--sky); position:relative; }
.hero h1 em::after { content:""; position:absolute; left:0; right:0; bottom:2px; height:12px; background:rgba(79,195,247,.25); z-index:-1; border-radius:50%; }
.hero-text p { font-size:16px; line-height:2; color:var(--muted); max-width:460px; margin-bottom:34px; }
.hero-actions { display:flex; gap:16px; }
.btn { display:inline-block; padding:14px 32px; font-weight:700; font-size:15px; border-radius:40px; transition:.3s; border:1px solid transparent; cursor:pointer; letter-spacing:1px; }
.btn-primary { background:linear-gradient(135deg,var(--sky),var(--deep)); color:#fff; box-shadow:0 12px 26px rgba(79,195,247,.4); }
.btn-primary:hover { transform:translateY(-3px); box-shadow:0 18px 34px rgba(79,195,247,.5); }
.btn-outline { background:transparent; color:var(--blue-mid); border-color:var(--sky); }
.btn-outline:hover { background:var(--sky); color:#fff; }
.btn-light { background:#fff; color:var(--deep); box-shadow:0 10px 22px rgba(0,0,0,.12); }
.btn-block { display:block; width:100%; text-align:center; }

/* 呼吸圆环 + 气流涡旋 */
.breath { position:relative; width:420px; height:420px; margin:0 auto; }
.ring { position:absolute; top:50%; left:50%; border-radius:50%; border:2px solid rgba(79,195,247,.35); transform:translate(-50%,-50%); }
.ring.r1 { width:210px; height:210px; animation:breath 6s ease-in-out infinite; }
.ring.r2 { width:300px; height:300px; border-color:rgba(2,136,209,.25); animation:breath 6s ease-in-out .5s infinite; }
.ring.r3 { width:390px; height:390px; border-color:rgba(1,87,155,.15); border-style:dashed; animation:breath 6s ease-in-out 1s infinite; }
@keyframes breath { 0%,100%{transform:translate(-50%,-50%) scale(.86);} 50%{transform:translate(-50%,-50%) scale(1.06);} }
.vortex { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:150px; height:150px; border-radius:50%; background:conic-gradient(from 0deg, rgba(79,195,247,.55), rgba(255,255,255,.6), rgba(79,195,247,.25), rgba(255,255,255,.5), rgba(79,195,247,.55)); animation:swirl 9s linear infinite; box-shadow:0 14px 40px rgba(79,195,247,.35), inset 0 0 30px rgba(255,255,255,.7); }
@keyframes swirl { from{transform:translate(-50%,-50%) rotate(0deg);} to{transform:translate(-50%,-50%) rotate(360deg);} }
.vortex::before { content:""; position:absolute; inset:24px; border-radius:50%; background:radial-gradient(circle,#eaf6ff 30%,rgba(79,195,247,.15) 70%); }
.vortex::after { content:""; position:absolute; inset:52px; border-radius:50%; background:#fff; box-shadow:0 0 24px rgba(79,195,247,.5); }
.breath-note { position:absolute; bottom:6px; left:50%; transform:translateX(-50%); font-size:12px; letter-spacing:4px; color:var(--blue-mid); font-weight:700; white-space:nowrap; }
.breath-note::before,.breath-note::after { content:"﹏"; margin:0 8px; color:var(--sky); }

/* ---------- 数据带 ---------- */
.stats-band { padding:0 0 80px; position:relative; z-index:2; }
.stats-grid { background:linear-gradient(120deg,var(--deep),var(--blue-mid)); border-radius:18px; display:grid; grid-template-columns:repeat(4,1fr); padding:34px 20px; box-shadow:0 20px 44px rgba(1,87,155,.3); }
.stat { text-align:center; border-right:1px solid rgba(255,255,255,.18); padding:6px 0; }
.stat:last-child { border-right:none; }
.stat b { display:block; font-size:36px; font-weight:800; color:#fff; }
.stat b i { font-style:normal; }
.stat p { font-size:13px; color:rgba(255,255,255,.75); margin-top:6px; }

/* ---------- Section 通用（气流线分隔） ---------- */
.section { padding:96px 0; position:relative; }
.section::before { content:""; position:absolute; top:0; left:50%; transform:translateX(-50%); width:60%; height:2px; background:linear-gradient(90deg,transparent,rgba(79,195,247,.35),transparent); }
.section-head { text-align:center; max-width:640px; margin:0 auto 54px; }
.section-head .kicker { display:inline-block; font-size:13px; font-weight:700; letter-spacing:4px; color:var(--sky); margin-bottom:16px; }
.section-head h2 { font-size:34px; font-weight:800; color:var(--ink); margin-bottom:14px; letter-spacing:1px; }
.section-head h2 span { color:var(--deep); }
.section-head p { font-size:15px; color:var(--muted); line-height:1.9; }

/* ---------- 顺畅呼吸 ---------- */
.smooth { background:#fff; }
.smooth-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.smooth-card { background:var(--soft); border:1px solid var(--line); border-radius:18px; padding:36px 28px; transition:.35s; position:relative; overflow:hidden; }
.smooth-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.smooth-card::before { content:""; position:absolute; right:-30px; bottom:-30px; width:110px; height:110px; border-radius:50%; background:rgba(79,195,247,.12); }
.smooth-ico { font-size:38px; margin-bottom:20px; display:inline-block; }
.smooth-card h3 { font-size:20px; font-weight:800; color:var(--ink); margin-bottom:12px; }
.smooth-card p { font-size:14px; color:var(--muted); line-height:1.95; }

/* ---------- 诊疗项目（含气泡元素） ---------- */
.treatment { background:linear-gradient(180deg,var(--soft),#fff); }
.treat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.treat-card { background:#fff; border-radius:18px; padding:32px 26px; border:1px solid var(--line); transition:.35s; position:relative; overflow:hidden; }
.treat-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.treat-card .bubble { position:absolute; right:20px; top:20px; animation-duration:4s; }
.treat-card .bubble:nth-of-type(2){ right:44px; top:52px; width:10px; height:10px; animation-delay:1s; }
.treat-head { display:flex; align-items:center; gap:14px; margin-bottom:18px; }
.treat-ico { width:54px; height:54px; border-radius:50%; background:linear-gradient(135deg,#e3f5ff,var(--soft)); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-size:26px; }
.treat-card h3 { font-size:18px; font-weight:800; color:var(--ink); }
.treat-card ul { margin-bottom:18px; }
.treat-card li { font-size:14px; color:var(--muted); padding:8px 0 8px 22px; position:relative; border-bottom:1px dashed var(--line); }
.treat-card li:last-child { border-bottom:none; }
.treat-card li::before { content:"○"; position:absolute; left:0; color:var(--sky); font-weight:700; }
.treat-foot { display:flex; justify-content:space-between; align-items:center; }
.treat-foot b { font-size:22px; color:var(--deep); font-family:Consolas,monospace; }
.treat-foot a { font-size:13px; font-weight:700; color:var(--sky); }

/* ---------- 产品（呼吸设备） ---------- */
.product { background:#fff; }
.prod-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:40px; }
.prod-card { background:var(--soft); border-radius:18px; overflow:hidden; border:1px solid var(--line); transition:.35s; }
.prod-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.prod-card img { height:200px; width:100%; object-fit:cover; }
.prod-body { padding:26px; }
.prod-body h3 { font-size:18px; font-weight:800; color:var(--ink); margin-bottom:8px; }
.prod-body p { font-size:14px; color:var(--muted); line-height:1.9; margin-bottom:16px; }
.prod-price { display:flex; justify-content:space-between; align-items:center; }
.prod-price b { color:var(--deep); font-size:22px; font-family:Consolas,monospace; }
.prod-price a { color:var(--sky); font-size:13px; font-weight:700; }

/* ---------- 动态（首页新闻模块） ---------- */
.dynamic { background:linear-gradient(180deg,#fff,var(--soft)); }
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.news-card { background:#fff; border-radius:18px; overflow:hidden; border:1px solid var(--line); transition:.35s; }
.news-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); }
.news-card img { height:190px; width:100%; object-fit:cover; }
.news-body { padding:24px; }
.news-body time { font-size:12px; color:var(--sky); font-family:Consolas,monospace; }
.news-body h3 { font-size:17px; font-weight:800; color:var(--ink); margin:10px 0 8px; line-height:1.5; }
.news-body p { font-size:13px; color:var(--muted); line-height:1.8; }

/* ---------- 页脚 ---------- */
.site-footer { background:linear-gradient(160deg,var(--deep),var(--blue-mid)); color:#d8eefe; padding:64px 0 0; }
.footer-grid { display:grid; grid-template-columns:1.4fr 1fr 1.2fr; gap:40px; padding-bottom:38px; }
.footer-brand h3 { font-size:20px; color:#fff; margin-bottom:14px; letter-spacing:1px; }
.footer-brand p { font-size:14px; line-height:2; opacity:.85; }
.footer-links h4 { font-size:15px; color:#fff; margin-bottom:16px; letter-spacing:2px; }
.footer-links a { display:block; font-size:14px; padding:6px 0; opacity:.85; transition:.3s; }
.footer-links a:hover { color:#b7ecff; padding-left:6px; }
.footer-links p { font-size:14px; padding:4px 0; opacity:.85; line-height:1.8; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.14); padding:20px 0; text-align:center; font-size:13px; opacity:.75; }

/* ---------- 子页 Hero ---------- */
.page-hero { padding:150px 0 66px; background:
  radial-gradient(480px 300px at 85% 20%, rgba(79,195,247,.3), transparent 60%),
  linear-gradient(180deg,#e6f5ff,var(--soft)); text-align:center; position:relative; overflow:hidden; }
.page-hero .air-line:nth-child(1){ left:14%; bottom:0; }
.page-hero .air-line:nth-child(2){ left:30%; bottom:0; animation-delay:1.4s; }
.page-hero .air-line:nth-child(3){ right:18%; bottom:0; animation-delay:.7s; }
.page-hero .air-line:nth-child(4){ right:6%; bottom:0; animation-delay:2s; }
.page-hero .bubble:nth-child(5){ left:20%; bottom:30px; }
.page-hero .bubble:nth-child(6){ right:24%; bottom:50px; animation-delay:1.6s; }
.page-hero .kicker { display:inline-block; font-size:13px; font-weight:700; letter-spacing:4px; color:var(--sky); margin-bottom:14px; }
.page-hero h1 { font-size:40px; font-weight:800; color:var(--ink); margin-bottom:14px; letter-spacing:1px; }
.page-hero h1 span { color:var(--deep); }
.page-hero p { font-size:15px; color:var(--muted); }

/* about */
.about-grid { display:grid; grid-template-columns:1fr 1.1fr; gap:56px; align-items:center; }
.about-imgs { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.about-imgs img { height:230px; object-fit:cover; width:100%; border-radius:16px; box-shadow:var(--shadow); }
.about-imgs img:nth-child(3){ grid-column:span 2; height:270px; }
.about-text h2 { font-size:30px; color:var(--ink); margin-bottom:20px; }
.about-text h2 span { color:var(--deep); }
.about-text p { font-size:15px; line-height:2.1; color:var(--muted); margin-bottom:14px; }
.data-table { width:100%; border-collapse:collapse; margin-top:14px; }
.data-table th { background:linear-gradient(135deg,var(--sky),var(--deep)); color:#fff; padding:13px; font-size:14px; }
.data-table td { padding:13px; border:1px solid var(--line); font-size:14px; text-align:center; color:var(--muted); background:#fff; }
.data-table tr:nth-child(even) td { background:var(--soft); }

/* products */
.flow { background:linear-gradient(180deg,#fff,var(--soft)); }
.flow-track { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.flow-step { background:#fff; border:1px solid var(--line); border-radius:16px; padding:30px 20px; text-align:center; transition:.3s; position:relative; }
.flow-step:hover { background:linear-gradient(160deg,var(--sky),var(--deep)); }
.flow-step:hover h4,.flow-step:hover p { color:#fff; }
.flow-num { display:inline-flex; width:52px; height:52px; border-radius:50%; background:linear-gradient(135deg,var(--sky),var(--deep)); color:#fff; font-weight:800; font-size:17px; align-items:center; justify-content:center; margin-bottom:14px; font-family:Consolas,monospace; }
.flow-step h4 { font-size:16px; color:var(--ink); margin-bottom:6px; }
.flow-step p { font-size:12px; color:var(--muted); line-height:1.7; }
.compare-table { width:100%; border-collapse:collapse; margin-top:14px; }
.compare-table th { background:var(--deep); color:#fff; padding:14px; font-size:15px; }
.compare-table td { border:1px solid var(--line); padding:14px; text-align:center; font-size:14px; color:var(--muted); background:#fff; }
.compare-table .hot { background:#e3f5ff; color:var(--deep); font-weight:700; }

/* news */
.news-feature { display:grid; grid-template-columns:1.2fr 1fr; gap:0; background:#fff; border-radius:18px; overflow:hidden; box-shadow:var(--shadow); margin-bottom:44px; }
.news-feature img { width:100%; height:340px; object-fit:cover; }
.news-feature-body { padding:40px; }
.date-badge { display:inline-block; background:linear-gradient(135deg,var(--sky),var(--deep)); color:#fff; font-size:12px; padding:6px 16px; border-radius:30px; margin-bottom:18px; }
.news-feature-body h3 { font-size:24px; color:var(--ink); margin-bottom:14px; line-height:1.5; }
.news-feature-body p { font-size:15px; color:var(--muted); line-height:2; margin-bottom:22px; }
.news-list { display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.news-item { display:flex; gap:18px; background:#fff; border-radius:16px; padding:16px; border:1px solid var(--line); transition:.3s; }
.news-item:hover { box-shadow:var(--shadow); }
.news-item img { width:150px; height:118px; object-fit:cover; border-radius:12px; }
.news-item h4 { font-size:16px; color:var(--ink); margin-bottom:8px; line-height:1.5; }
.news-item p { font-size:13px; color:var(--muted); line-height:1.8; }
.news-item time { font-size:12px; color:var(--sky); font-family:Consolas,monospace; }

/* contact */
.contact-wrap { display:grid; grid-template-columns:1fr 1.15fr; gap:50px; align-items:start; }
.contact-info-item { display:flex; gap:16px; padding:18px 0; border-bottom:1px dashed var(--line); }
.ci-icon { width:48px; height:48px; border-radius:50%; background:linear-gradient(135deg,#e3f5ff,#fff); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; font-size:20px; flex:0 0 48px; }
.contact-info-item h4 { font-size:16px; color:var(--ink); margin-bottom:4px; }
.contact-info-item p { font-size:14px; color:var(--muted); line-height:1.7; }
.map-box { border-radius:16px; overflow:hidden; box-shadow:var(--shadow); margin-top:26px; }
.map-box img { width:100%; height:240px; object-fit:cover; }
.form-box { background:#fff; border-radius:18px; padding:38px; box-shadow:var(--shadow); border:1px solid var(--line); }
.form-box h3 { font-size:22px; color:var(--ink); margin-bottom:24px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-field { margin-bottom:18px; }
.form-field label { display:block; font-size:14px; font-weight:700; color:var(--ink); margin-bottom:8px; }
.form-field input,.form-field select,.form-field textarea { width:100%; padding:13px 15px; border:1px solid var(--line); border-radius:12px; font-size:14px; font-family:inherit; background:var(--soft); transition:.3s; outline:none; }
.form-field textarea { min-height:120px; resize:vertical; }
.form-field input:focus,.form-field select:focus,.form-field textarea:focus { border-color:var(--sky); box-shadow:0 0 0 3px rgba(79,195,247,.16); background:#fff; }
.form-field.full { grid-column:span 2; }
.form-error { color:#e0485a; font-size:12px; margin-top:6px; display:none; }
.form-field.error input,.form-field.error textarea,.form-field.error select { border-color:#e0485a; }
.form-field.error .form-error { display:block; }
.form-success { display:none; text-align:center; padding:30px 0; color:var(--deep); font-size:16px; font-weight:700; }
.form-success .ok-icon { font-size:52px; display:block; margin-bottom:12px; }

/* CTA */
.cta-box { background:linear-gradient(120deg,var(--sky),var(--deep)); border-radius:18px; padding:60px; text-align:center; color:#fff; position:relative; overflow:hidden; }
.cta-box::before { content:"○"; position:absolute; top:20px; left:70px; font-size:60px; color:rgba(255,255,255,.2); animation:breath 5s ease-in-out infinite; }
.cta-box::after { content:"○"; position:absolute; bottom:16px; right:80px; font-size:44px; color:rgba(255,255,255,.2); animation:breath 6s ease-in-out 1s infinite; }
.cta-box h2 { font-size:32px; font-weight:800; margin-bottom:14px; position:relative; }
.cta-box p { font-size:15px; opacity:.92; margin-bottom:30px; position:relative; }
.cta-actions { display:flex; gap:16px; justify-content:center; position:relative; }

/* reveal */
.reveal { opacity:0; transform:translateY(34px); transition:opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity:1; transform:none; }

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .hero-inner { grid-template-columns:1fr; }
  .breath { display:none; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:26px 0; }
  .stat:nth-child(2){ border-right:none; }
  .smooth-grid,.treat-grid,.prod-grid,.news-grid { grid-template-columns:repeat(2,1fr); }
  .flow-track { grid-template-columns:repeat(2,1fr); }
  .about-grid,.contact-wrap { grid-template-columns:1fr; }
  .news-list { grid-template-columns:1fr; }
  .news-feature { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px){
  .main-nav { position:fixed; top:72px; left:0; right:0; background:#fff; flex-direction:column; padding:18px 24px 26px; gap:10px; box-shadow:0 16px 30px rgba(0,0,0,.12); transform:translateY(-140%); transition:.4s; }
  .main-nav.open { transform:none; }
  .nav-toggle { display:flex; }
  .hero { padding:120px 0 60px; }
  .hero h1 { font-size:30px; }
  .smooth-grid,.treat-grid,.prod-grid,.news-grid { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr; }
  .stat { border-right:none; border-bottom:1px solid rgba(255,255,255,.18); padding-bottom:18px; }
  .stat:last-child { border-bottom:none; }
  .flow-track { grid-template-columns:1fr; }
  .form-grid { grid-template-columns:1fr; }
  .form-field.full { grid-column:span 1; }
  .footer-grid { grid-template-columns:1fr; }
  .cta-box { padding:44px 24px; }
  .section { padding:70px 0; }
  .section-head h2 { font-size:26px; }
  .news-item { flex-direction:column; }
  .news-item img { width:100%; height:180px; }
}


/* ===== CMS 表单提交反馈 ===== */
.form-success.show { display:block; }
.form-alert { padding:14px 18px; border-radius:10px; margin-bottom:20px; font-size:14px; line-height:1.8; }
.form-alert-err { background:rgba(192,57,43,.08); border:1px solid #c0392b; color:#c0392b; }
.form-success.show { padding:14px 18px; border-radius:10px; margin-bottom:20px; background:rgba(39,174,96,.1); border:1px solid #27ae60; color:#27ae60; }