/* 温州迪文兰派进出口有限公司 — 官网静态版（仿制万小智风格） */

:root {
  --blue-950: #0f172a;
  --blue-900: #1e3a8a;
  --blue-800: #1e40af;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-100: #dbeafe;
  --blue-50: #eff6ff;
  --gold: #d97706;
  --gold-light: #fbbf24;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-200: #e5e7eb;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  --radius: 12px;
  --max: 1200px;
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.brand {
  order: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.site-nav {
  order: 2;
  margin-left: auto;
}

.header-actions {
  order: 3;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 56px;
  height: auto;
}

.brand-text strong {
  display: block;
  font-size: 1.05rem;
  color: var(--blue-900);
}

.brand-text span {
  font-size: 0.78rem;
  color: var(--gray-500);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--blue-600);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--gray-600);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-switch button.active {
  background: var(--blue-600);
  color: var(--white);
}

.hero-logo-card {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.hero-logo-card img {
  width: min(100%, 520px);
  margin: 0 auto;
  filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.28));
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--blue-900);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 55%, var(--blue-600) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(251, 191, 36, 0.18), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.08), transparent 30%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 72px 0 84px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 0 28px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.92);
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--white);
  color: var(--blue-900);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--blue-50);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--gray-900);
}

.hero-visual {
  position: relative;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-tags span {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
}

/* Sections */
.section {
  padding: 72px 0;
}

.section-gray {
  background: var(--gray-50);
}

.section-blue {
  background: linear-gradient(180deg, var(--blue-50), var(--white));
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 42px;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--blue-900);
}

.section-head p {
  margin: 0;
  color: var(--gray-600);
  font-size: 1.02rem;
}

.section-head .line {
  width: 64px;
  height: 4px;
  margin: 16px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card-body {
  padding: 22px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  color: var(--blue-900);
}

.card p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.94rem;
}

.icon-card {
  padding: 26px 22px;
  text-align: center;
}

.icon-badge {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue-100), var(--white));
  color: var(--blue-800);
  font-size: 1.4rem;
  font-weight: 700;
}

.product-card img,
.gallery-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.split img {
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.stats {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.stat-item {
  text-align: center;
  padding: 18px 10px;
}

.stat-item strong {
  display: block;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  color: var(--gold-light);
}

.stat-item span {
  font-size: 0.95rem;
  opacity: 0.92;
}

.cta-banner {
  background: linear-gradient(90deg, var(--blue-800), var(--blue-600));
  color: var(--white);
  border-radius: 18px;
  padding: 34px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow);
}

.cta-banner h3 {
  margin: 0 0 8px;
  font-size: 1.5rem;
}

.cta-banner p {
  margin: 0;
  opacity: 0.92;
}

.page-hero {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  text-align: center;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.page-hero p {
  margin: 0;
  opacity: 0.92;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.contact-card {
  padding: 24px;
}

.contact-card h3 {
  margin: 0 0 10px;
  color: var(--blue-900);
}

.contact-list {
  display: grid;
  gap: 14px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 12px;
  background: var(--gray-50);
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--blue-900);
}

.form {
  display: grid;
  gap: 14px;
}

.form label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-700);
}

.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  font: inherit;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-note {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.form-success {
  display: none;
  padding: 12px 14px;
  border-radius: 10px;
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.map-box {
  margin-top: 18px;
  padding: 22px;
  border-radius: 14px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
}

/* Footer */
.site-footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.86);
  padding: 52px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}

.footer-grid h4 {
  margin: 0 0 12px;
  color: var(--white);
}

.footer-grid p,
.footer-grid a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.62);
}

.footer-bottom a:hover {
  color: var(--gold-light);
}

@media (max-width: 992px) {
  .hero-grid,
  .split,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-4,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .site-nav {
    order: 4;
    margin-left: 0;
  }

  .header-actions {
    order: 2;
    margin-left: auto;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 8px 16px 16px;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--gray-200);
  }

  .hero-grid {
    padding: 48px 0 56px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-text span {
    display: none;
  }
}