/* ============================================
   GHZK 国华智科 — 五金零配件制造企业官网
   仿万网模板：深蓝 #455a75 + 白 · 工业风
   ============================================ */
:root {
  --navy: #455a75;
  --navy-2: #5a7190;
  --navy-dark: #33465c;
  --accent: #f97316;
  --gray-bg: #f5f7fa;
  --text: #333;
  --text-2: #666;
  --text-3: #999;
  --border: #e8ecf1;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); font-size: 15px; line-height: 1.7; background: #fff; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { scroll-margin-top: 64px; }

/* ---------- 顶部导航 ---------- */
.top-nav { position: fixed; top: 0; left: 0; right: 0; height: 64px; background: var(--navy); z-index: 100; box-shadow: 0 2px 12px rgba(0,0,0,.18); }
.nav-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-hex { display: flex; align-items: center; }
.brand-name { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.brand-name em { font-style: normal; font-size: 13px; font-weight: 400; color: rgba(255,255,255,.7); margin-left: 8px; letter-spacing: 2px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { color: rgba(255,255,255,.85); font-size: 14.5px; padding: 8px 14px; border-radius: 6px; transition: all .2s; }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.12); }
.nav-links a.active { color: #fff; background: rgba(255,255,255,.18); }
.btn-nav { background: #fff; color: var(--navy); font-size: 14px; font-weight: 700; padding: 9px 22px; border-radius: 6px; flex-shrink: 0; transition: all .2s; }
.btn-nav:hover { background: #f0f4f8; transform: translateY(-1px); }

/* ---------- Hero ---------- */
.hero { position: relative; height: 560px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(34,48,66,.88) 0%, rgba(34,48,66,.72) 50%, rgba(34,48,66,.45) 100%); }
.hero-body { position: relative; z-index: 1; width: 100%; }
.hero-slide { max-width: 640px; }
.hero-slide h1 { color: #fff; font-size: clamp(32px, 4.6vw, 50px); font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.hero-slide p { color: rgba(255,255,255,.88); font-size: 17px; margin-bottom: 30px; }
.btn-hero { display: inline-flex; align-items: center; background: #fff; color: var(--navy); font-size: 15px; font-weight: 700; padding: 13px 34px; border-radius: 6px; transition: all .25s; }
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.25); }

/* ---------- 三卡片 ---------- */
.features { padding: 70px 0 40px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feat-item { text-align: center; padding: 26px 18px; border: 1px solid var(--border); border-radius: 12px; transition: all .3s; }
.feat-item:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(69,90,117,.12); }
.feat-icon { display: inline-flex; width: 66px; height: 66px; border-radius: 14px; background: #f0f4f8; align-items: center; justify-content: center; margin-bottom: 16px; }
.feat-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feat-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.8; }

/* ---------- 优势区 ---------- */
.advantages { background: var(--gray-bg); padding: 50px 0; }
.adv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.adv-item { display: flex; gap: 18px; align-items: flex-start; }
.adv-ico { width: 56px; height: 56px; border-radius: 12px; background: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(69,90,117,.1); flex-shrink: 0; }
.adv-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.adv-item p { font-size: 14px; color: var(--text-2); line-height: 1.85; }

/* ---------- 区块标题 ---------- */
.sec-head { text-align: center; margin-bottom: 42px; }
.sec-head h2 { font-size: 30px; font-weight: 800; margin-bottom: 10px; position: relative; display: inline-block; padding-bottom: 14px; }
.sec-head h2::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 46px; height: 4px; border-radius: 2px; background: var(--navy); }
.sec-head p { color: var(--text-2); font-size: 15px; }

/* ---------- 产品中心 ---------- */
.products { padding: 70px 0; }
.cat-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.cat-chip { padding: 9px 24px; border-radius: 999px; background: #fff; border: 1px solid var(--border); font-size: 14.5px; color: var(--text-2); transition: all .25s; }
.cat-chip:hover { color: var(--navy); border-color: var(--navy); }
.cat-chip.active { background: var(--navy); color: #fff; border-color: var(--navy); box-shadow: 0 4px 14px rgba(69,90,117,.3); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid var(--border); transition: all .3s; animation: fadeUp .45s ease both; }
.product-card:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(69,90,117,.14); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.pc-thumb { position: relative; height: 200px; overflow: hidden; background: #f0f4f8; }
.pc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .pc-thumb img { transform: scale(1.05); }
.pc-count { position: absolute; top: 10px; right: 10px; background: rgba(26,58,92,.75); color: #fff; font-size: 11px; padding: 3px 10px; border-radius: 999px; }
.pc-body { padding: 18px 20px 22px; }
.pc-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.pc-body p { font-size: 13px; color: var(--text-2); margin-bottom: 12px; line-height: 1.75; }
.pc-more { color: var(--navy); font-size: 13px; font-weight: 600; }
.pc-more:hover { color: var(--accent); }
.t-more { text-align: center; margin-top: 32px; }
.t-more a { color: var(--navy); font-size: 15px; font-weight: 600; border-bottom: 2px solid var(--accent); padding-bottom: 3px; }
.t-more a:hover { color: var(--accent); }

/* ---------- 技术实力（美化版） ---------- */
.tech { position: relative; background: var(--gray-bg); padding: 70px 0; overflow: hidden; }
.tech::before { content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(69,90,117,.06), transparent 65%); top: -120px; right: -100px; }
.tech .container { position: relative; z-index: 1; }
.tech-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.tech-text { position: relative; }
.tech-badge { display: inline-block; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: 2px; padding: 4px 14px; border-radius: 999px; margin-bottom: 14px; box-shadow: 0 4px 14px rgba(249,115,22,.3); }
.tech-text h3 { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.tech-lead { color: var(--text-2); font-size: 14.5px; margin-bottom: 22px; }
.tech-cards { display: grid; gap: 12px; margin-bottom: 26px; }
.tc-item { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 15px 18px; transition: all .3s; }
.tc-item:hover { transform: translateX(5px); border-color: rgba(69,90,117,.35); box-shadow: 0 8px 22px rgba(69,90,117,.1); }
.tc-ico { width: 44px; height: 44px; border-radius: 11px; background: #f0f4f8; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.tc-item b { font-size: 15px; display: block; margin-bottom: 3px; }
.tc-item p { font-size: 13px; color: var(--text-2); line-height: 1.7; }
.btn-tech { display: inline-flex; align-items: center; background: var(--navy); color: #fff; font-size: 14px; font-weight: 600; padding: 11px 26px; border-radius: 999px; transition: all .25s; }
.btn-tech:hover { background: var(--navy-2); transform: translateY(-2px); }
.tech-imgs { position: relative; display: grid; gap: 12px; }
.ti-tag { position: absolute; top: 10px; left: 10px; z-index: 2; background: rgba(26,58,92,.82); color: #fff; font-size: 11px; font-weight: 600; letter-spacing: 1px; padding: 4px 12px; border-radius: 999px; }
.ti-main { width: 100%; height: 240px; object-fit: cover; border-radius: 14px; box-shadow: 0 10px 28px rgba(69,90,117,.18); border: 3px solid #fff; transition: transform .35s; }
.ti-main:hover { transform: scale(1.02); }
.ti-sub { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ti-sub img { width: 100%; height: 150px; object-fit: cover; border-radius: 14px; box-shadow: 0 8px 22px rgba(69,90,117,.14); border: 3px solid #fff; transition: transform .35s; }
.ti-sub img:hover { transform: scale(1.03); }

/* ---------- 售后服务（科技版） ---------- */
.service { position: relative; background: var(--gray-bg); padding: 70px 0; overflow: hidden; }
.service::before { content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(69,90,117,.06), transparent 65%); top: -130px; left: -100px; }
.service .container { position: relative; z-index: 1; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 26px; }
.sv-card { position: relative; background: #fff; border-radius: 14px; padding: 28px 24px 22px; border: 1px solid var(--border); overflow: hidden; transition: all .3s; }
.sv-card::before { content: ""; position: absolute; width: 90px; height: 90px; border-radius: 50%; background: radial-gradient(circle, rgba(69,90,117,.06), transparent 70%); bottom: -30px; right: -30px; }
.sv-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(69,90,117,.15); border-color: rgba(69,90,117,.3); }
.sv-num { position: absolute; top: 14px; right: 16px; font-size: 26px; font-weight: 800; color: rgba(69,90,117,.1); letter-spacing: 1px; }
.sv-card:hover .sv-num { color: rgba(249,115,22,.2); }
.sv-ico { display: inline-flex; width: 54px; height: 54px; border-radius: 14px; background: linear-gradient(135deg, #455a75, #6b84a5); box-shadow: 0 8px 20px rgba(69,90,117,.3); align-items: center; justify-content: center; margin-bottom: 15px; transition: transform .3s; }
.sv-card:hover .sv-ico { transform: scale(1.08) rotate(-4deg); }
.sv-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.sv-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.8; margin-bottom: 14px; }
.sv-metric { display: flex; align-items: baseline; gap: 8px; border-top: 1px dashed var(--border); padding-top: 12px; }
.sv-metric b { font-size: 22px; font-weight: 800; color: var(--orange); }
.sv-metric span { font-size: 12.5px; color: var(--text-3); }
.service-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.sv-wide { background: #fff; border-radius: 14px; padding: 28px 30px; border: 1px solid var(--border); box-shadow: 0 8px 26px rgba(69,90,117,.06); }
.sv-wide h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 12px; position: relative; padding-left: 14px; }
.sv-wide h3::before { content: ""; position: absolute; left: 0; top: 5px; bottom: 5px; width: 4px; border-radius: 2px; background: var(--orange); }
.sv-wide p { font-size: 13.5px; color: var(--text-2); line-height: 2; }
.sv-wide-dark { position: relative; background: linear-gradient(150deg, #33465c 0%, #455a75 60%, #5f7a9c 100%); border: none; color: #fff; overflow: hidden; }
.sv-wide-dark::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 38px 38px; }
.sv-wide-dark::after { content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.1), transparent 65%); top: -80px; right: -60px; }
.sv-wide-dark > * { position: relative; z-index: 1; }
.sv-wide-dark h3 { color: #fff; }
.sv-wide-dark p { color: rgba(255,255,255,.85); }
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-extra { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .service-grid { grid-template-columns: 1fr; }
}

/* ---------- 品质管控 ---------- */
.quality { padding: 70px 0; }
.quality-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.quality-text h2 { font-size: 30px; font-weight: 800; margin-bottom: 16px; position: relative; padding-left: 16px; }
.quality-text h2::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 5px; border-radius: 3px; background: var(--accent); }
.quality-text p { color: var(--text-2); font-size: 15px; line-height: 2; margin-bottom: 16px; }
.quality-list { list-style: none; display: grid; gap: 10px; margin-bottom: 24px; }
.quality-list li { font-size: 14.5px; color: var(--text); }
.quality-img img { width: 100%; height: 380px; object-fit: cover; border-radius: 14px; box-shadow: 0 12px 34px rgba(69,90,117,.16); }

/* ---------- 关于我们 ---------- */
.about { background: var(--gray-bg); padding: 70px 0; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.about-text h2 { font-size: 30px; font-weight: 800; margin-bottom: 16px; position: relative; padding-left: 16px; }
.about-text h2::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 5px; border-radius: 3px; background: var(--accent); }
.about-text p { color: var(--text-2); font-size: 14.5px; line-height: 2; margin-bottom: 14px; }
.about-stats { display: flex; gap: 34px; margin: 18px 0 26px; }
.astat b { display: block; font-size: 34px; font-weight: 800; color: var(--navy); }
.astat span { font-size: 13px; color: var(--text-2); }
.btn-blue { display: inline-flex; align-items: center; background: var(--navy); color: #fff; font-size: 14px; font-weight: 600; padding: 12px 30px; border-radius: 999px; transition: all .25s; }
.btn-blue:hover { background: var(--navy-2); transform: translateY(-2px); }
.about-img img { width: 100%; height: 400px; object-fit: cover; border-radius: 14px; box-shadow: 0 12px 34px rgba(69,90,117,.16); }

/* ---------- 联系方式（深蓝底） ---------- */
.contact { background: var(--navy); color: #fff; padding: 56px 0 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.c-col h3 { font-size: 17px; font-weight: 700; margin-bottom: 16px; }
.c-col a, .c-col span { display: block; color: rgba(255,255,255,.75); font-size: 14px; margin-bottom: 9px; transition: color .2s; }
.c-col a:hover { color: var(--accent); }
.c-col p { color: rgba(255,255,255,.75); font-size: 13.5px; line-height: 1.9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding: 18px 0; background: rgba(0,0,0,.16); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom span, .footer-bottom a { font-size: 12.5px; color: rgba(255,255,255,.5); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .feat-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-inner, .quality-inner, .about-inner { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .hero { height: 440px; }
  .feat-grid, .product-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-stats { gap: 22px; }
  .ti-sub { grid-template-columns: 1fr; }
  .ti-sub img { height: 180px; }
}

/* ---------- 独立页横幅 ---------- */
.page-banner { background: linear-gradient(120deg, #33465c, #455a75 60%, #5a7190); padding: 90px 0 64px; text-align: center; }
.page-banner h1 { color: #fff; font-size: 34px; font-weight: 800; margin-bottom: 12px; }
.page-banner p { color: rgba(255,255,255,.8); font-size: 16px; }
.page-service { padding: 60px 0 80px; }
@media (max-width: 768px) {
  .page-banner { padding: 80px 0 44px; }
  .page-banner h1 { font-size: 26px; }
}

/* ---------- 关于我们独立页 ---------- */
.page-about { background: #fff; padding: 70px 0; }
.philosophy { background: var(--gray-bg); padding: 70px 0; }
.ph-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.ph-item { background: #fff; border-radius: 12px; padding: 28px 24px; text-align: center; border: 1px solid var(--border); transition: all .3s; }
.ph-item:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(69,90,117,.12); }
.ph-ico { display: inline-flex; width: 58px; height: 58px; border-radius: 14px; background: #f0f4f8; align-items: center; justify-content: center; margin-bottom: 14px; }
.ph-item h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.ph-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.85; }
.fields { padding: 70px 0; }
.field-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.field-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 30px 26px; text-align: center; transition: all .3s; }
.field-item:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(69,90,117,.12); }
.field-emoji { font-size: 38px; display: block; margin-bottom: 12px; }
.field-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.field-item p { font-size: 13.5px; color: var(--text-2); }
@media (max-width: 1024px) {
  .ph-grid { grid-template-columns: repeat(2, 1fr); }
  .field-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .ph-grid, .field-grid { grid-template-columns: 1fr; }
}
.field-ico { display: inline-flex; width: 60px; height: 60px; border-radius: 50%; background: #f0f4f8; align-items: center; justify-content: center; margin-bottom: 14px; }

/* ---------- 联系我们独立页（科技大气版） ---------- */
.contact-cards { padding: 64px 0 26px; }
.cc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cc-card { position: relative; background: linear-gradient(145deg, #ffffff, #f2f6fa); border: 1px solid #e2e9f1; border-radius: 16px; padding: 32px 20px 28px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0; overflow: hidden; transition: all .35s; }
.cc-card::before { content: ""; position: absolute; width: 110px; height: 110px; border-radius: 50%; background: radial-gradient(circle, rgba(69,90,117,.07), transparent 70%); top: -40px; right: -40px; }
.cc-card::after { content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 0; height: 3px; background: linear-gradient(90deg, #5a7190, #455a75); transition: width .35s; }
.cc-card:hover { transform: translateY(-7px); box-shadow: 0 18px 44px rgba(69,90,117,.16); border-color: rgba(69,90,117,.35); }
.cc-card:hover::after { width: 70%; }
.cc-ico { width: 60px; height: 60px; border-radius: 17px; background: linear-gradient(135deg, #455a75, #6b84a5); box-shadow: 0 10px 24px rgba(69,90,117,.32); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; transition: transform .3s; }
.cc-card:hover .cc-ico { transform: scale(1.08) rotate(-4deg); }
.cc-card b { font-size: 12.5px; color: var(--text-3); letter-spacing: 2px; font-weight: 600; }
.cc-card p { font-size: 16px; color: var(--navy); font-weight: 800; margin-top: 4px; word-break: break-all; }
.contact-msg { padding: 46px 0 76px; }
.cm-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: stretch; }
.cm-form { background: #fff; border: 1px solid #e6ecf3; border-radius: 18px; padding: 36px; box-shadow: 0 12px 36px rgba(69,90,117,.07); }
.cm-form h2 { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.cm-form .cm-sub { color: var(--text-2); font-size: 14px; margin-bottom: 22px; }
.cm-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cm-form input, .cm-form select, .cm-form textarea { width: 100%; padding: 13px 16px; border: 1px solid #dfe6ee; border-radius: 10px; font-size: 14px; font-family: inherit; color: var(--text); background: #fafbfd; margin-bottom: 14px; transition: all .25s; }
.cm-form input:focus, .cm-form select:focus, .cm-form textarea:focus { border-color: var(--navy); background: #fff; box-shadow: 0 0 0 3px rgba(69,90,117,.1); outline: none; }
.btn-block { width: 100%; justify-content: center; }
.cm-info { position: relative; background: linear-gradient(150deg, #33465c 0%, #455a75 55%, #5f7a9c 100%); border-radius: 18px; padding: 36px; color: #fff; overflow: hidden; box-shadow: 0 18px 48px rgba(69,90,117,.28); }
.cm-info::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 40px 40px; }
.cm-info::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.12), transparent 65%); top: -90px; right: -70px; }
.cm-info > * { position: relative; z-index: 1; }
.cm-info h2 { font-size: 24px; font-weight: 800; margin-bottom: 14px; color: #fff; }
.cm-list { list-style: none; display: grid; gap: 12px; margin: 8px 0 22px; }
.cm-list li { font-size: 14px; color: rgba(255,255,255,.88); display: flex; gap: 9px; align-items: flex-start; line-height: 1.65; }
.cm-hours { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: 12px; padding: 15px 20px; margin-bottom: 20px; backdrop-filter: blur(4px); }
.cm-hours b { font-size: 15px; color: #fff; display: flex; align-items: center; gap: 8px; }
.cm-hours p { font-size: 13.5px; color: rgba(255,255,255,.75); margin-top: 4px; }
.cm-info .btn-tech { background: #fff; color: var(--navy); width: 100%; justify-content: center; }
.cm-info .btn-tech:hover { background: #f0f4f8; transform: translateY(-2px); }
@media (max-width: 1024px) {
  .cc-grid { grid-template-columns: repeat(2, 1fr); }
  .cm-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .cc-grid { grid-template-columns: 1fr; }
  .cm-row { grid-template-columns: 1fr; }
  .cm-form, .cm-info { padding: 26px 22px; }
}

/* ---------- 独立页横幅科技升级 ---------- */
.page-banner { position: relative; overflow: hidden; }
.page-banner::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 42px 42px; }
.page-banner::after { content: ""; position: absolute; width: 440px; height: 440px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.13), transparent 65%); top: -180px; right: -110px; }
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: 38px; letter-spacing: 2px; text-shadow: 0 2px 20px rgba(0,0,0,.2); }
.page-banner p { letter-spacing: 1px; }

/* ---------- 全新页脚 ---------- */
.footer { background: var(--navy); color: #fff; padding-top: 54px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 44px; padding-bottom: 44px; }
.f-brand { display: flex; gap: 16px; }
.f-brand .brand-hex { flex-shrink: 0; margin-top: 4px; }
.f-name { font-size: 20px; font-weight: 800; letter-spacing: 1px; display: block; margin-bottom: 6px; }
.f-slogan { color: var(--orange); font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.f-desc { color: rgba(255,255,255,.6); font-size: 13.5px; line-height: 1.9; }
.f-col { display: grid; gap: 10px; align-content: start; }
.f-col h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; position: relative; padding-bottom: 10px; }
.f-col h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; border-radius: 2px; background: var(--orange); }
.f-col a, .f-col span { font-size: 13.5px; color: rgba(255,255,255,.7); transition: color .2s; }
.f-col a:hover { color: var(--orange); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; background: rgba(0,0,0,.2); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom span, .footer-bottom a { font-size: 12.5px; color: rgba(255,255,255,.5); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* ---------- 施工流程案例 ---------- */
.process { background: var(--gray-bg); padding: 70px 0; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.process-card { position: relative; background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); transition: all .3s; }
.process-card:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(69,90,117,.14); }
.p-num { position: absolute; top: 10px; left: 10px; z-index: 2; background: rgba(26,58,92,.85); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: 999px; letter-spacing: 1px; }
.process-card img { width: 100%; height: 130px; object-fit: cover; }
.p-body { padding: 13px 15px 16px; }
.p-body h3 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.p-body p { font-size: 12px; color: var(--text-2); line-height: 1.7; }
@media (max-width: 1200px) {
  .process-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* ---------- banner 背景图版 ---------- */
.banner-img { min-height: 400px; display: flex; align-items: center; background-size: cover; background-position: center; }
.banner-shade { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(51,70,92,.94) 0%, rgba(69,90,117,.8) 55%, rgba(95,122,156,.55) 100%); }
.banner-shade + .container { position: relative; z-index: 2; width: 100%; padding: 56px 24px; }
.banner-img::before, .banner-img::after { z-index: 1; }
.banner-img h1 { font-size: 44px; margin-bottom: 16px; }
.banner-img p { font-size: 17px; }
@media (max-width: 768px) {
  .banner-img { min-height: 300px; }
  .banner-img h1 { font-size: 30px; }
}

/* ---------- 服务现场图区 ---------- */
.scene-strip { margin-top: 10px; }
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scene-item { position: relative; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 8px 24px rgba(69,90,117,.1); transition: all .3s; }
.scene-item:hover { transform: translateY(-5px); box-shadow: 0 14px 36px rgba(69,90,117,.18); }
.scene-item img { width: 100%; height: 220px; object-fit: cover; }
.scene-item span { position: absolute; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg, transparent, rgba(26,58,92,.88)); color: #fff; font-size: 14px; font-weight: 600; padding: 34px 18px 14px; }

/* ---------- 联系页团队图 ---------- */
.cm-team { width: 100%; height: 150px; object-fit: cover; border-radius: 12px; margin-top: 6px; box-shadow: 0 8px 22px rgba(69,90,117,.15); }
@media (max-width: 768px) {
  .scene-grid { grid-template-columns: 1fr; }
}