/* ===== 重置与基础 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.7; color: #1E293B; background: #F8FAFC; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: #00B4D8; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ===== 色彩变量 ===== */
:root {
  --c-primary: #0A2540;
  --c-primary-2: #0F3460;
  --c-accent: #00B4D8;
  --c-accent-2: #0096C7;
  --c-gold: #C9A96E;
  --c-gold-2: #B8995A;
  --c-bg: #F8FAFC;
  --c-bg-2: #FFFFFF;
  --c-text: #1E293B;
  --c-text-2: #475569;
  --c-text-3: #64748B;
  --c-border: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(15, 52, 96, .06);
  --shadow-md: 0 8px 24px rgba(15, 52, 96, .08);
  --shadow-lg: 0 20px 60px rgba(15, 52, 96, .12);
  --radius: 12px;
  --radius-lg: 16px;
}

/* ===== 容器 ===== */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(248, 250, 252, .82);
  border-bottom: 1px solid transparent;
  transition: all .35s ease;
}
.nav.scrolled {
  background: rgba(255, 255, 255, .95);
  border-bottom-color: var(--c-border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; max-width: 1240px; margin: 0 auto; padding: 0 24px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  color: #fff; font-weight: 800; font-size: 16px; letter-spacing: -.5px;
  position: relative;
}
.logo-mark::after {
  content: "®"; position: absolute; top: -3px; right: -5px;
  font-size: 11px; color: var(--c-gold); font-weight: 700;
}
.logo-text { display: flex; align-items: center; gap: 8px; font-size: 18px; color: var(--c-primary); }
.logo-text .divider { color: var(--c-gold-2); font-weight: 400; }
.logo-text .sub { font-weight: 500; color: var(--c-text-2); font-size: 16px; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu a {
  display: inline-block; padding: 10px 16px; font-size: 15px; font-weight: 500;
  color: var(--c-text); border-radius: 8px; transition: all .2s ease;
}
.nav-menu a:hover { background: rgba(0, 180, 216, .08); color: var(--c-accent-2); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #fff !important; border-radius: 999px; font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 180, 216, .35);
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0, 180, 216, .45); color: #fff !important; }
.nav-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; }
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--c-primary); }

/* ===== Banner ===== */
.banner {
  position: relative; overflow: hidden;
  padding: 104px 0 56px;
  background: linear-gradient(135deg, #0A2540 0%, #0F3460 50%, #0A2540 100%);
}
.banner::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 800px 600px at 80% 20%, rgba(0, 180, 216, .25), transparent 60%),
    radial-gradient(ellipse 600px 500px at 20% 80%, rgba(201, 169, 110, .18), transparent 60%);
}
.banner::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .25;
  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: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 0%, transparent 80%);
}
.banner-slides { position: relative; z-index: 1; }
.slide {
  display: none;
  width: 100%;
  animation: slideIn .8s ease both;
}
.slide.active { display: block; }
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.slide-inner { max-width: 1240px; margin: 0 auto; padding: 0 24px; width: 100%; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.slide h1 {
  font-size: clamp(30px, 4vw, 46px); font-weight: 800; color: #fff; line-height: 1.2;
  letter-spacing: -.5px; margin-bottom: 18px;
}
.slide h1 .gradient {
  background: linear-gradient(135deg, #00B4D8 0%, #C9A96E 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.slide p.lead { font-size: 16px; color: rgba(255,255,255,.78); line-height: 1.7; margin-bottom: 28px; max-width: 560px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; position: relative; z-index: 3; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px;
  font-size: 16px; font-weight: 600; border-radius: 999px; transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #00B4D8, #0096C7); color: #fff;
  box-shadow: 0 8px 24px rgba(0, 180, 216, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 180, 216, .5); color: #fff; }
.btn-ghost {
  background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.15); color: #fff; }

.hero-visual {
  position: relative; height: 340px; max-width: 440px; margin-left: auto; border-radius: 22px; overflow: hidden;
  background: linear-gradient(135deg, rgba(0,180,216,.18), rgba(201,169,110,.12));
  border: 1px solid rgba(255,255,255,.1); box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
}
.hero-visual::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(0,180,216,.4), transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(201,169,110,.35), transparent 50%);
}
.mail-card {
  position: relative; background: #fff; border-radius: 14px; padding: 18px 22px;
  box-shadow: 0 18px 40px rgba(0,0,0,.25); color: var(--c-text);
  width: 320px; animation: floaty 4s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.mail-card .row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--c-border); }
.mail-card .row:last-child { border-bottom: none; }
.mail-card .avatar { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; }
.mail-card .meta { font-size: 13px; color: var(--c-text-3); }
.mail-card .name { font-size: 14px; font-weight: 600; color: var(--c-text); }
.mail-card .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); }
.mail-card .dot.warn { background: var(--c-gold); }
.mail-card .dot.ok { background: #10B981; }

.banner-dots { display: flex; gap: 10px; z-index: 2; margin: 32px auto 0; justify-content: center; }
.banner-dots button {
  width: 32px; height: 4px; background: rgba(255,255,255,.25); border-radius: 4px;
  transition: all .3s ease; cursor: pointer;
}
.banner-dots button.active { background: #fff; width: 48px; }

.scroll-hint { display: none; }
/* ===== 通用板块 ===== */
section.block { padding: 96px 0; }
section.block.alt { background: #fff; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .eyebrow {
  display: inline-block; padding: 6px 14px; font-size: 13px; font-weight: 600;
  color: var(--c-accent-2); background: rgba(0, 180, 216, .1);
  border-radius: 999px; margin-bottom: 16px; letter-spacing: 1px;
}
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; color: var(--c-primary); line-height: 1.25; margin-bottom: 14px; letter-spacing: -.3px; }
.section-head p { font-size: 16px; color: var(--c-text-2); }
.section-head .gold { color: var(--c-gold-2); }

/* ===== 产品矩阵 4卡 ===== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  position: relative; padding: 32px 26px; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--c-border); transition: all .3s ease; overflow: hidden;
}
.product-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-gold));
  transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.product-card:hover::before { transform: scaleX(1); }
.product-card .icon-wrap {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,180,216,.12), rgba(201,169,110,.12));
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.product-card .icon-wrap svg { width: 28px; height: 28px; stroke: var(--c-accent-2); }
.product-card h3 { font-size: 20px; font-weight: 700; color: var(--c-primary); margin-bottom: 10px; }
.product-card p { font-size: 14px; color: var(--c-text-2); margin-bottom: 18px; line-height: 1.6; }
.product-card ul { margin-bottom: 20px; }
.product-card li { font-size: 13px; color: var(--c-text-2); padding: 4px 0; display: flex; align-items: center; gap: 8px; }
.product-card li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--c-accent); flex-shrink: 0; }
.product-card .more { font-size: 14px; font-weight: 600; color: var(--c-accent-2); display: inline-flex; align-items: center; gap: 4px; }
.product-card .more:hover { gap: 8px; }

/* ===== 核心服务 8格 ===== */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-item {
  padding: 26px 22px; background: #fff; border-radius: var(--radius);
  border: 1px solid var(--c-border); transition: all .3s ease;
  display: flex; gap: 16px; align-items: flex-start;
}
.service-item:hover { border-color: var(--c-accent); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.service-item .num {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-2));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.service-item h4 { font-size: 16px; font-weight: 700; color: var(--c-primary); margin-bottom: 6px; }
.service-item p { font-size: 13px; color: var(--c-text-2); line-height: 1.6; }

/* ===== 品牌优势 4列数据 ===== */
.advantage-section {
  background: linear-gradient(135deg, #0A2540 0%, #0F3460 100%);
  color: #fff; position: relative; overflow: hidden;
}
.advantage-section::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 600px 400px at 20% 30%, rgba(0,180,216,.18), transparent 60%),
              radial-gradient(ellipse 500px 400px at 80% 70%, rgba(201,169,110,.14), transparent 60%);
}
.advantage-section .section-head h2 { color: #fff; }
.advantage-section .section-head p { color: rgba(255,255,255,.7); }
.advantage-section .section-head .eyebrow { background: rgba(0,180,216,.18); color: #00B4D8; }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 1; }
.advantage-card {
  text-align: center; padding: 36px 20px; background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg);
  backdrop-filter: blur(10px); transition: all .3s ease;
}
.advantage-card:hover { background: rgba(255,255,255,.07); transform: translateY(-4px); border-color: rgba(0,180,216,.4); }
.advantage-card .icon {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 14px;
  background: linear-gradient(135deg, #00B4D8, #C9A96E);
  display: flex; align-items: center; justify-content: center;
}
.advantage-card .icon svg { width: 28px; height: 28px; stroke: #fff; }
.advantage-card .num-big {
  font-size: 44px; font-weight: 800; line-height: 1; margin-bottom: 8px;
  background: linear-gradient(135deg, #00B4D8, #C9A96E);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.advantage-card h4 { font-size: 17px; font-weight: 600; margin-bottom: 6px; color: #fff; }
.advantage-card p { font-size: 13px; color: rgba(255,255,255,.65); }

/* ===== 关于闫宝龙 ===== */
.about-grid { display: grid; grid-template-columns: 380px 1fr; gap: 60px; align-items: center; }
.about-photo {
  position: relative; border-radius: 24px; overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 3/4;
  background: linear-gradient(135deg, #0A2540, #0F3460);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, rgba(10,37,64,.6));
}
.about-photo .badge {
  position: absolute; bottom: 18px; left: 18px; right: 18px; z-index: 2;
  background: rgba(255,255,255,.95); backdrop-filter: blur(10px);
  border-radius: 14px; padding: 14px 18px; display: flex; align-items: center; gap: 12px;
}
.about-photo .badge .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-gold));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.about-photo .badge .icon svg { width: 22px; height: 22px; stroke: #fff; }
.about-photo .badge .t1 { font-size: 13px; color: var(--c-text-3); }
.about-photo .badge .t2 { font-size: 15px; font-weight: 700; color: var(--c-primary); }
.about-text h2 { font-size: clamp(28px, 3.6vw, 38px); font-weight: 800; color: var(--c-primary); margin-bottom: 18px; line-height: 1.25; }
.about-text h2 .gold { color: var(--c-gold-2); }
.about-text .lead { font-size: 16px; color: var(--c-text-2); margin-bottom: 28px; line-height: 1.8; }
.timeline { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.timeline-item { display: flex; gap: 16px; align-items: flex-start; }
.timeline-item .year {
  flex-shrink: 0; width: 90px; padding: 6px 0; font-size: 14px; font-weight: 700;
  color: var(--c-accent-2); background: rgba(0,180,216,.08); border-radius: 6px;
  text-align: center; letter-spacing: .5px;
}
.timeline-item .desc { font-size: 15px; color: var(--c-text); padding-top: 4px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-top: 24px; border-top: 1px solid var(--c-border); }
.about-stats .stat .n { font-size: 28px; font-weight: 800; color: var(--c-primary); line-height: 1.1; }
.about-stats .stat .n span { color: var(--c-accent-2); }
.about-stats .stat .l { font-size: 13px; color: var(--c-text-3); margin-top: 4px; }

/* ===== 流程 5步 ===== */
.process-section { background: #fff; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.process-grid::before {
  content: ""; position: absolute; top: 28px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-gold)); z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; }
.process-step .circle {
  width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent-2));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 20px; box-shadow: 0 6px 20px rgba(0,180,216,.3);
  border: 4px solid #fff;
}
.process-step h4 { font-size: 16px; font-weight: 700; color: var(--c-primary); margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--c-text-2); padding: 0 6px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 960px; margin: 0 auto; }
.faq-item {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  margin-bottom: 12px; transition: all .25s ease; overflow: hidden;
}
.faq-item.open { border-color: var(--c-accent); box-shadow: var(--shadow-sm); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  width: 100%; padding: 18px 24px; text-align: left; font-size: 16px;
  font-weight: 600; color: var(--c-primary); cursor: pointer; transition: color .2s;
}
.faq-q:hover { color: var(--c-accent-2); }
.faq-q .q-text { flex: 1; display: flex; align-items: center; gap: 12px; }
.faq-q .q-text .q-prefix {
  flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-gold));
  color: #fff; font-size: 12px; font-weight: 700;
}
.faq-q .ic { flex-shrink: 0; width: 22px; height: 22px; transition: transform .3s ease; color: var(--c-text-3); }
.faq-item.open .faq-q .ic { transform: rotate(180deg); color: var(--c-accent-2); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 24px 20px 62px; color: var(--c-text-2); font-size: 15px; line-height: 1.8; }
.faq-item.open .faq-a { max-height: 320px; }

/* ===== 联系方式 ===== */
.contact-section { background: linear-gradient(135deg, #F0F9FF 0%, #FFF7ED 100%); }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.contact-list { display: flex; flex-direction: column; gap: 18px; }
.contact-item {
  display: flex; align-items: center; gap: 18px; padding: 20px 24px;
  background: #fff; border-radius: var(--radius); border: 1px solid var(--c-border);
  transition: all .25s ease;
}
.contact-item:hover { border-color: var(--c-accent); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.contact-item .icon {
  flex-shrink: 0; width: 50px; height: 50px; border-radius: 12px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  display: flex; align-items: center; justify-content: center;
}
.contact-item .icon svg { width: 24px; height: 24px; stroke: #fff; }
.contact-item .icon.gold { background: linear-gradient(135deg, var(--c-gold), var(--c-gold-2)); }
.contact-item .icon.green { background: linear-gradient(135deg, #10B981, #059669); }
.contact-item .info .label { font-size: 13px; color: var(--c-text-3); margin-bottom: 4px; }
.contact-item .info .value { font-size: 18px; font-weight: 700; color: var(--c-primary); letter-spacing: .3px; }
.contact-item .info .value a:hover { color: var(--c-accent-2); }

.qr-card {
  background: #fff; border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-md); text-align: center; max-width: 380px; margin: 0 auto;
}
.qr-card img { width: 220px; height: 220px; margin: 0 auto 20px; border-radius: 12px; }
.qr-card h4 { font-size: 18px; font-weight: 700; color: var(--c-primary); margin-bottom: 8px; }
.qr-card p { font-size: 14px; color: var(--c-text-2); margin-bottom: 20px; }
.qr-card .quick-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.qr-card .quick-btns a {
  padding: 10px 18px; font-size: 13px; font-weight: 600;
  background: var(--c-bg); color: var(--c-primary); border-radius: 999px;
  border: 1px solid var(--c-border); transition: all .2s;
}
.qr-card .quick-btns a:hover { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }

/* ===== 底部 ===== */
.footer {
  background: #0A2540; color: rgba(255,255,255,.7); padding: 64px 0 0;
  position: relative; overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,180,216,.5), rgba(201,169,110,.5), transparent);
}
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-col h5 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; letter-spacing: .5px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,.6); transition: color .2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: #00B4D8; }
.footer-col ul li a::before { content: "›"; color: var(--c-gold); opacity: .7; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .footer-logo .logo-mark { width: 34px; height: 34px; font-size: 14px; }
.footer-brand .footer-logo .logo-text { color: #fff; font-size: 16px; }
.footer-brand .footer-logo .logo-text .sub { color: rgba(255,255,255,.6); }
.footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,.55); margin-bottom: 14px; }
.footer-brand .contact-mini { font-size: 13px; line-height: 1.9; color: rgba(255,255,255,.6); }
.footer-brand .contact-mini strong { color: #fff; }

.service-links-grid { max-height: 280px; overflow: hidden; columns: 2; column-gap: 20px; }
.service-links-grid li { break-inside: avoid; -webkit-column-break-inside: avoid; }

.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom .copy-line { margin-bottom: 6px; }
.footer-bottom a { color: rgba(255,255,255,.65); }
.footer-bottom a:hover { color: #00B4D8; }
.footer-bottom .gov-icon { display: inline-block; width: 16px; height: 16px; vertical-align: middle; margin-right: 4px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .product-grid, .service-grid, .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid::before { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .slide-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 320px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 360px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 16px; gap: 4px; box-shadow: var(--shadow-md); }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; }
  .nav-cta { width: 100%; justify-content: center; margin-top: 8px; }
  .nav-toggle { display: flex; }
  .banner { min-height: 92vh; }
  .slide h1 { font-size: 30px; }
  .slide p.lead { font-size: 15px; }
  section.block { padding: 64px 0; }
  .product-grid, .service-grid, .advantage-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .service-links-grid { columns: 1; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 16px; }
  .nav-inner { padding: 0 16px; }
  .banner-dots { bottom: 16px; }
  .scroll-hint { display: none; }
}
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 280px; }
  .mail-card { width: 280px; }
  .slide h1 { font-size: 26px; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .about-stats { grid-template-columns: 1fr; }
}

/* ===== 入场动画 ===== */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.fade-up.in { opacity: 1; transform: translateY(0); }