/* ====== 哆帮帮（浙江）数字科技有限公司 官网样式 ====== */
:root {
  --green-deep: #1e3a2b;
  --green: #2f5d43;
  --green-light: #e8f0ea;
  --gold: #b98a3f;
  --beige: #f7f4ee;
  --text: #2b2b2b;
  --text-light: #6b6f6c;
  --white: #ffffff;
  --max-width: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ====== 顶部导航 ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--green-deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
}

.logo-text { line-height: 1.25; }
.logo-text strong { display: block; font-size: 18px; color: var(--green-deep); letter-spacing: 1px; }
.logo-text span { font-size: 11px; color: var(--text-light); letter-spacing: 0.5px; }

.main-nav ul { display: flex; gap: 8px; }

.main-nav a {
  display: block;
  padding: 8px 18px;
  font-size: 15px;
  color: var(--text);
  border-radius: 6px;
  transition: all 0.25s ease;
}

.main-nav a:hover { color: var(--green); background: var(--green-light); }

.main-nav a.active {
  color: var(--green);
  font-weight: 600;
  background: var(--green-light);
}

/* ====== 首页 Hero ====== */
.hero {
  position: relative;
  background: linear-gradient(160deg, #16301f 0%, #1e3a2b 45%, #2f5d43 100%);
  color: #fff;
  padding: 140px 0 160px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 300px at 85% 20%, rgba(185, 138, 63, 0.18), transparent 70%),
    radial-gradient(ellipse 500px 400px at 10% 90%, rgba(255, 255, 255, 0.05), transparent 70%);
}

.hero-inner { position: relative; text-align: center; max-width: 820px; margin: 0 auto; }

.hero-kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 6px;
  color: #d8c69a;
  border: 1px solid rgba(216, 198, 154, 0.45);
  padding: 8px 22px;
  border-radius: 999px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1.3;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: #e6c887;
}

.hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: 2px;
  margin-bottom: 48px;
}

.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: 2px;
  transition: all 0.25s ease;
}

.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:hover { background: #a57630; transform: translateY(-2px); }

.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); }

/* 山形装饰 */
.hero-mountains {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  pointer-events: none;
}

/* ====== 通用 Section ====== */
.section { padding: 96px 0; }
.section-alt { background: var(--beige); }

.section-head { text-align: center; margin-bottom: 64px; }

.section-head .eyebrow {
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--gold);
  margin-bottom: 12px;
  display: block;
}

.section-head h2 {
  font-size: 34px;
  color: var(--green-deep);
  letter-spacing: 3px;
  font-weight: 700;
}

.section-head .sub {
  margin-top: 16px;
  color: var(--text-light);
  font-size: 16px;
}

.section-head .rule {
  width: 48px;
  height: 3px;
  background: var(--gold);
  margin: 20px auto 0;
  border-radius: 2px;
}

/* ====== 首页：数字 ====== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 14px;
  padding: 36px 20px;
  text-align: center;
  box-shadow: 0 6px 24px rgba(30, 58, 43, 0.06);
}

.stat-card .num {
  font-size: 40px;
  font-weight: 700;
  color: var(--green);
}

.stat-card .num small { font-size: 16px; margin-left: 2px; color: var(--gold); }
.stat-card .label { margin-top: 8px; font-size: 14px; color: var(--text-light); letter-spacing: 1px; }

/* ====== 首页：核心优势 ====== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: 16px;
  padding: 44px 34px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(30, 58, 43, 0.12);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 22px;
}

.feature-card h3 { font-size: 19px; color: var(--green-deep); margin-bottom: 12px; letter-spacing: 1px; }
.feature-card p { font-size: 14.5px; color: var(--text-light); }

/* ====== 产品卡片 ====== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(30, 58, 43, 0.12);
}

.product-visual {
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  background: linear-gradient(150deg, var(--green-light), #f2ece0);
}

.product-body { padding: 28px 26px 30px; flex: 1; display: flex; flex-direction: column; }

.product-tag {
  align-self: flex-start;
  font-size: 12px;
  color: var(--gold);
  border: 1px solid rgba(185, 138, 63, 0.4);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.product-body h3 { font-size: 19px; color: var(--green-deep); margin-bottom: 10px; }
.product-body p { font-size: 14.5px; color: var(--text-light); flex: 1; }

/* ====== 页面 Banner（内页顶部） ====== */
.page-banner {
  background: linear-gradient(140deg, #16301f, #2f5d43);
  color: #fff;
  text-align: center;
  padding: 88px 0 76px;
}

.page-banner h1 { font-size: 38px; letter-spacing: 4px; margin-bottom: 14px; }
.page-banner p { color: rgba(255, 255, 255, 0.75); letter-spacing: 2px; font-size: 15px; }

/* ====== 关于我们 ====== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-grid h2 { font-size: 30px; color: var(--green-deep); letter-spacing: 2px; margin-bottom: 24px; }
.about-grid p { color: var(--text-light); font-size: 15.5px; margin-bottom: 16px; text-align: justify; }

.about-panel {
  background: linear-gradient(160deg, var(--green-deep), var(--green));
  border-radius: 18px;
  padding: 44px 38px;
  color: #fff;
}

.about-panel h3 { font-size: 20px; margin-bottom: 20px; letter-spacing: 2px; color: #e6c887; }

.about-panel li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.88);
}

.about-panel li::before { content: "◆"; color: var(--gold); font-size: 12px; line-height: 1.8; }

/* 时间线 */
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--gold), var(--green-light));
}

.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px; top: 8px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--gold);
}

.timeline-item .year { font-size: 18px; font-weight: 700; color: var(--green); margin-bottom: 6px; }
.timeline-item p { color: var(--text-light); font-size: 14.5px; }

/* 价值观 */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { text-align: center; padding: 36px 18px; background: var(--white); border-radius: 14px; border: 1px solid rgba(0,0,0,0.05); }
.value-card .icon { font-size: 34px; margin-bottom: 14px; }
.value-card h4 { color: var(--green-deep); font-size: 17px; margin-bottom: 8px; letter-spacing: 2px; }
.value-card p { font-size: 13.5px; color: var(--text-light); }

/* ====== 联系我们 ====== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 32px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.contact-info-card h3 { font-size: 20px; color: var(--green-deep); margin-bottom: 22px; letter-spacing: 1px; }

.contact-line { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-line .cicon {
  width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--green-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
}
.contact-line .ctitle { font-size: 14px; color: var(--text-light); margin-bottom: 2px; }
.contact-line .cvalue { font-size: 15px; color: var(--text); font-weight: 500; }

.contact-form {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 32px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.contact-form h3 { font-size: 20px; color: var(--green-deep); margin-bottom: 22px; letter-spacing: 1px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; color: var(--text-light); margin-bottom: 7px; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fbfaf7;
  transition: border-color 0.2s;
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  background: #fff;
}

.form-group textarea { resize: vertical; min-height: 110px; }

.btn-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background: var(--green-deep);
  color: #fff;
  font-size: 15px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: background 0.25s;
}

.btn-submit:hover { background: var(--green); }

.form-tip { margin-top: 14px; font-size: 13px; color: #8aa893; text-align: center; }

/* 地图占位 */
.map-panel {
  margin-top: 56px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
  background: linear-gradient(150deg, #eef3ee, #e2eadf);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: var(--text-light);
  font-size: 14px;
}

.map-panel .pin { font-size: 40px; }

/* ====== CTA 条 ====== */
.cta-band {
  background: linear-gradient(120deg, var(--green-deep), var(--green));
  color: #fff;
  text-align: center;
  padding: 72px 0;
}

.cta-band h2 { font-size: 28px; letter-spacing: 3px; margin-bottom: 12px; }
.cta-band p { color: rgba(255, 255, 255, 0.78); margin-bottom: 30px; letter-spacing: 1px; }

/* ====== 页脚 ====== */
.site-footer {
  background: #14271c;
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 28px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: 1px; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: #e6c887; }

.footer-brand .logo-mark { margin-bottom: 16px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; }

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.75);
}

/* ====== 响应式 ====== */
@media (max-width: 960px) {
  .hero h1 { font-size: 36px; }
  .feature-grid, .product-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .main-nav a { padding: 8px 10px; font-size: 14px; }
}

@media (max-width: 640px) {
  .hero { padding: 90px 0 120px; }
  .hero h1 { font-size: 28px; letter-spacing: 2px; }
  .feature-grid, .product-grid, .values-grid, .stats-grid, .form-row { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; height: auto; padding: 14px 0; gap: 10px; }
  .section { padding: 64px 0; }
}