/* =========================================================
   木叶国际物流 · 企业官网 全局样式
   苏州木叶国际物流有限公司 / MUYE International Logistics
   ========================================================= */

:root {
  --green: #2FA876;
  --green-dark: #1F8A5F;
  --green-soft: #E4F4EC;
  --green-deep: #0C2B21;
  --orange: #F0911F;
  --ink: #14231C;
  --muted: #5C6B63;
  --soft: #F4F8F6;
  --line: #E3ECE7;
  --white: #FFFFFF;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 44px rgba(12, 43, 33, 0.10);
  --shadow-sm: 0 8px 22px rgba(12, 43, 33, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
  --logo-gap: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---------- 通用组件 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  line-height: 1;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 10px 24px rgba(47, 168, 118, 0.35); }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.55); color: #fff; background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); border-color: #fff; }
.btn-outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn-outline:hover { background: var(--green); color: #fff; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.kicker::before {
  content: "";
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--orange);
}

.section { padding: 92px 0; }
.section-soft { background: var(--soft); }

.sec-head { max-width: 720px; margin-bottom: 52px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .kicker::before { display: none; }
.sec-head.center .kicker::after { content: ""; display: block; width: 26px; height: 3px; border-radius: 2px; background: var(--orange); margin: 10px auto 0; }
.sec-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.3;
}
.sec-head p { color: var(--muted); margin-top: 14px; font-size: 16px; }

/* ---------- 顶部信息条 ---------- */

.topbar { background: var(--green-deep); color: rgba(255, 255, 255, 0.85); font-size: 13px; }
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 38px;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 7px;
  padding-bottom: 7px;
}
.topbar-group { display: flex; gap: 22px; align-items: center; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-item svg { width: 14px; height: 14px; color: var(--orange); }
.topbar a:hover { color: #fff; }
.topbar-slogan { color: rgba(255, 255, 255, 0.6); letter-spacing: 2px; }

/* ---------- 导航 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 8px 30px rgba(12, 43, 33, 0.08); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; }
.logo-mark { width: 46px; height: 46px; flex: none; object-fit: contain; display: block; }
.brand-text { line-height: 1.15; }
.brand-cn { font-size: 20px; font-weight: 800; letter-spacing: 2px; color: var(--ink); display: block; }
.brand-en { font-size: 10px; letter-spacing: 2.2px; color: var(--muted); text-transform: uppercase; display: block; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  position: relative;
  padding: 10px 18px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  border-radius: 10px;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--green); }
.nav-cta { margin-left: 14px; padding: 11px 24px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 120;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--ink);
  margin: 5px auto;
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  color: #fff;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(7, 26, 19, 0.78) 8%, rgba(7, 26, 19, 0.45) 55%, rgba(7, 26, 19, 0.25) 100%);
}
.hero-inner { padding: 130px 0 170px; max-width: 780px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: 2px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
  margin-bottom: 26px;
}
.hero-tag svg { width: 15px; height: 15px; color: var(--orange); }
.hero h1 {
  font-size: clamp(34px, 5.6vw, 58px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 2px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
}
.hero h1 em { font-style: normal; color: #7FE0B6; }
.hero-sub {
  margin-top: 22px;
  font-size: clamp(15px, 1.6vw, 17.5px);
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
}
.hero-actions { display: flex; gap: 16px; margin-top: 38px; flex-wrap: wrap; }

.hero-stats {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -74px;
  z-index: 5;
}
.hero-stats .container {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 34px 20px;
}
.stat { text-align: center; padding: 0 12px; position: relative; }
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  bottom: 12%;
  width: 1px;
  background: var(--line);
}
.stat-num {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
  color: var(--green);
  line-height: 1.1;
}
.stat-num .plus { color: var(--orange); }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 8px; letter-spacing: 1px; }

/* ---------- 页面 Banner（子页） ---------- */

.page-banner {
  position: relative;
  color: #fff;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(7, 26, 19, 0.82) 10%, rgba(7, 26, 19, 0.5) 90%);
}
.page-banner .container { padding: 108px 24px 88px; }
.page-banner h1 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; letter-spacing: 3px; }
.page-banner .crumb { margin-top: 12px; font-size: 14px; color: rgba(255, 255, 255, 0.75); letter-spacing: 1px; }
.page-banner .crumb a:hover { color: #fff; }
.page-banner .crumb span { color: var(--orange); }

/* ---------- 卡片 ---------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.svc-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--green-deep);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.svc-card .svc-img {
  height: 250px;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.svc-card:hover .svc-img { transform: scale(1.06); }
.svc-card .svc-body {
  position: absolute;
  inset: auto 0 0 0;
  padding: 26px 26px 24px;
  color: #fff;
  background: linear-gradient(to top, rgba(7, 26, 19, 0.92) 30%, rgba(7, 26, 19, 0.55) 75%, transparent);
}
.svc-card h3 { font-size: 21px; letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }
.svc-card h3 svg { width: 22px; height: 22px; color: #7FE0B6; flex: none; }
.svc-card p { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.82); max-height: 0; opacity: 0; overflow: hidden; transition: all 0.4s ease; }
.svc-card:hover p { max-height: 120px; opacity: 1; margin-top: 10px; }
.svc-card .svc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: #FFC37E;
  letter-spacing: 1px;
}
.svc-card .svc-link svg { width: 15px; height: 15px; transition: transform 0.25s ease; }
.svc-card:hover .svc-link svg { transform: translateX(4px); }

/* 图标卡 */

.icon-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.icon-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.icon-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: transparent; }
.icon-card:hover::before { transform: scaleX(1); }
.icon-ring {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--green-soft);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.icon-card:hover .icon-ring { background: var(--green); color: #fff; }
.icon-ring svg { width: 28px; height: 28px; }
.icon-card h3 { font-size: 18.5px; letter-spacing: 1.5px; }
.icon-card h3 small { display: block; font-size: 11px; color: var(--muted); letter-spacing: 2px; font-weight: 600; margin-top: 3px; text-transform: uppercase; }
.icon-card p { color: var(--muted); font-size: 14.5px; margin-top: 12px; }

/* ---------- 关于预览 ---------- */

.about-visual { position: relative; }
.about-visual img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: 480px; object-fit: cover; }
.about-badge {
  position: absolute;
  right: -18px;
  bottom: 34px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.about-badge svg { width: 38px; height: 38px; color: var(--orange); }
.about-badge strong { display: block; font-size: 22px; color: var(--ink); line-height: 1.2; }
.about-badge span { font-size: 12.5px; color: var(--muted); letter-spacing: 1px; }

.about-text .lead { font-size: 16.5px; color: var(--ink); font-weight: 500; margin-bottom: 14px; }
.about-text p { color: var(--muted); font-size: 15px; margin-bottom: 12px; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin: 22px 0 30px; }
.about-points li { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.about-points svg { width: 18px; height: 18px; color: var(--green); flex: none; }

/* ---------- 流程 ---------- */

.process { position: relative; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 22px;
  position: relative;
  transition: all 0.3s ease;
}
.step:hover { border-color: var(--green); transform: translateY(-6px); box-shadow: var(--shadow-sm); }
.step-no {
  font-size: 34px;
  font-weight: 800;
  color: var(--green-soft);
  -webkit-text-stroke: 1.5px var(--green);
  line-height: 1;
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", serif;
}
.step h3 { font-size: 17px; letter-spacing: 1.5px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.step::after {
  content: "";
  position: absolute;
  top: 42px;
  right: -22px;
  width: 22px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--green) 0 4px, transparent 4px 8px);
}
.step:last-child::after { display: none; }

/* ---------- 优势 ---------- */

.feature {
  display: flex;
  gap: 18px;
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 28px;
  border: 1px solid var(--line);
  transition: all 0.3s ease;
}
.feature:hover { border-color: var(--green); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.feature-icon {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-icon svg { width: 25px; height: 25px; }
.feature h3 { font-size: 17.5px; letter-spacing: 1px; margin-bottom: 6px; }
.feature p { font-size: 14px; color: var(--muted); }

/* ---------- CTA ---------- */

.cta-band {
  position: relative;
  background: var(--green-deep);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(560px 260px at 85% 20%, rgba(47, 168, 118, 0.35), transparent 70%),
    radial-gradient(420px 220px at 10% 90%, rgba(240, 145, 31, 0.18), transparent 70%);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 74px 0;
  flex-wrap: wrap;
}
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: 2px; line-height: 1.35; }
.cta-inner p { color: rgba(255, 255, 255, 0.72); margin-top: 10px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-white { background: #fff; color: var(--green-deep); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0, 0, 0, 0.25); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: #DE7F0F; transform: translateY(-2px); }

/* ---------- 服务详情（业务范围页） ---------- */

.svc-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.svc-detail + .svc-detail { margin-top: 90px; }
.svc-detail-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.svc-detail-img img { width: 100%; height: 400px; object-fit: cover; transition: transform 0.5s ease; }
.svc-detail:hover .svc-detail-img img { transform: scale(1.04); }
.svc-detail.flip .svc-detail-img { order: 2; }
.svc-detail-body .kicker { margin-bottom: 10px; }
.svc-detail-body h2 { font-size: clamp(24px, 2.8vw, 32px); font-weight: 800; letter-spacing: 1.5px; }
.svc-detail-body > p { color: var(--muted); margin-top: 14px; font-size: 15px; }
.check-list { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; }
.check-list li { display: flex; gap: 9px; align-items: flex-start; font-size: 14.5px; color: var(--ink); }
.check-list svg { width: 19px; height: 19px; color: var(--green); flex: none; margin-top: 3px; }
.svc-detail-body .btn { margin-top: 28px; }

/* ---------- 标签 ---------- */

.tag-row { display: flex; flex-wrap: wrap; gap: 12px; }
.tag {
  padding: 10px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  transition: all 0.25s ease;
}
.tag:hover { border-color: var(--green); color: var(--green); background: var(--green-soft); }
.tag svg { width: 15px; height: 15px; vertical-align: -2px; margin-right: 6px; color: var(--orange); }

/* ---------- FAQ ---------- */

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  letter-spacing: 0.5px;
}
.faq-q .faq-ico {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.faq-item.open .faq-ico { background: var(--green); color: #fff; transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a p { padding: 0 24px 22px; color: var(--muted); font-size: 14.5px; }

/* ---------- 联系页 ---------- */

.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: all 0.3s ease;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: transparent; }
.contact-card .icon-ring { margin: 0 auto 18px; }
.contact-card h3 { font-size: 16.5px; letter-spacing: 1.5px; }
.contact-card p { color: var(--muted); font-size: 14.5px; margin-top: 8px; line-height: 1.7; }
.contact-card a:hover { color: var(--green); }

.contact-wrap { display: grid; grid-template-columns: 1.25fr 1fr; gap: 30px; align-items: stretch; }
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 22px; letter-spacing: 1.5px; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 700; color: var(--ink); letter-spacing: 1px; }
.form-field label em { color: var(--orange); font-style: normal; margin-left: 2px; }
.form-field input, .form-field select, .form-field textarea {
  font-family: var(--font);
  font-size: 14.5px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
  width: 100%;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--green);
  background: #fff;
}
.form-submit { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; margin-top: 4px; }
.form-note { font-size: 12.5px; color: var(--muted); }
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 14px 18px;
  background: var(--green-soft);
  border: 1px solid rgba(47, 168, 118, 0.35);
  border-radius: 10px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 600;
}
.form-success.show { display: flex; }
.form-success svg { width: 20px; height: 20px; flex: none; }

.aside-panel { display: flex; flex-direction: column; gap: 26px; }
.quote-tips {
  background: var(--green-deep);
  color: #fff;
  border-radius: var(--radius);
  padding: 34px 32px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.quote-tips::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(320px 180px at 90% 10%, rgba(240, 145, 31, 0.25), transparent 70%);
}
.quote-tips h3 { font-size: 19px; letter-spacing: 1.5px; margin-bottom: 16px; }
.quote-tips li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  padding: 7px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.14);
}
.quote-tips li:last-child { border-bottom: none; }
.quote-tips li svg { width: 17px; height: 17px; color: var(--orange); flex: none; margin-top: 4px; }
.loc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  flex: 1;
}
.loc-card h3 { font-size: 18px; letter-spacing: 1.5px; margin-bottom: 16px; display: flex; align-items: center; gap: 9px; }
.loc-card h3 svg { width: 20px; height: 20px; color: var(--green); }
.loc-card li { display: flex; gap: 10px; font-size: 14.5px; color: var(--muted); padding: 8px 0; }
.loc-card li svg { width: 17px; height: 17px; color: var(--green); flex: none; margin-top: 4px; }
.loc-card li strong { color: var(--ink); font-weight: 600; }

/* ---------- 价值观（关于页） ---------- */

.value-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 30px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: transparent; }
.value-card .v-no {
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 3px;
  display: block;
  margin-bottom: 12px;
}
.value-card h3 { font-size: 20px; letter-spacing: 3px; color: var(--green-dark); }
.value-card p { color: var(--muted); font-size: 14px; margin-top: 12px; }

.mv-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.mv-card.wide2 { grid-column: span 2; }
.mv-card .icon-ring { margin-bottom: 18px; }
.mv-card h3 { font-size: 19px; letter-spacing: 2px; }
.mv-card h3 small { display: block; font-size: 11px; color: var(--muted); letter-spacing: 2px; margin-top: 2px; text-transform: uppercase; font-weight: 600; }
.mv-card p { color: var(--muted); font-size: 14.5px; margin-top: 10px; }

/* ---------- 大字标语 ---------- */

.big-quote {
  text-align: center;
  padding: 84px 0 0;
}
.big-quote .en {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(20px, 2.6vw, 28px);
  font-style: italic;
  color: var(--green-dark);
  letter-spacing: 1px;
}
.big-quote .zh {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: 6px;
}

/* ---------- 页脚 ---------- */

.site-footer { background: var(--green-deep); color: rgba(255, 255, 255, 0.78); --logo-gap: var(--green-deep); }
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
  gap: 44px;
  padding: 68px 0 54px;
}
.footer-brand .brand-cn { color: #fff; font-size: 21px; }
.footer-brand .brand-en { color: rgba(255, 255, 255, 0.5); }
.footer-brand p { font-size: 13.5px; margin-top: 18px; line-height: 1.9; color: rgba(255, 255, 255, 0.6); max-width: 300px; }
.footer-col h4 {
  color: #fff;
  font-size: 15.5px;
  letter-spacing: 2px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 22px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--orange);
}
.footer-col li { margin-bottom: 11px; font-size: 14px; }
.footer-col a { color: rgba(255, 255, 255, 0.65); transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-col a:hover { color: #7FE0B6; padding-left: 4px; }
.footer-col .f-item { display: flex; gap: 10px; align-items: flex-start; color: rgba(255, 255, 255, 0.65); font-size: 14px; }
.footer-col .f-item svg { width: 16px; height: 16px; color: var(--orange); flex: none; margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-bottom .container {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.5px;
}

/* ---------- 返回顶部 ---------- */

.back-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--green);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(47, 168, 118, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.3s ease;
  z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--green-dark); }
.back-top svg { width: 20px; height: 20px; }

/* ---------- 滚动显现动画 ---------- */

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .hero-stats .container { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  .topbar .topbar-slogan { display: none; }
  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 110;
  }
  .nav-links.open { transform: none; }
  .nav-links a { font-size: 19px; padding: 13px 26px; }
  .nav-toggle { display: block; }
  .grid-2, .svc-detail, .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .svc-detail.flip .svc-detail-img { order: 0; }
  .hero-inner { padding: 110px 0 190px; }
  .hero-stats { bottom: -110px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); gap: 22px 0; padding: 28px 16px; }
  .stat:nth-child(3)::before { display: none; }
  .section { padding: 68px 0; }
  .about-visual img { height: 360px; }
  .about-badge { right: 10px; }
  .check-list { grid-template-columns: 1fr; }
  .mv-card.wide2 { grid-column: span 1; }
}

@media (max-width: 560px) {
  .grid-3, .grid-4, .process-grid, .contact-cards, .footer-main { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .topbar-group .topbar-item:nth-child(2) { display: none; }
  .hero { min-height: 92vh; }
  .hero-stats { bottom: -140px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .about-points { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .cta-inner { padding: 56px 0; }
}