/* ==========================================================================
   花海国际物流 · 官网样式
   Direction A —— 清透蓝白 / 暖纸白 / 砖橙，编辑式排版，去卡片化
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --ink:        #1F4E70;
  --ink-2:      #2A5F85;
  --ink-3:      #3A78A3;
  --accent:     #D5874F;
  --accent-d:   #B56A38;
  --blue:       #2E6FAE;

  --paper:      #FAF8F4;
  --sky:        #EDF4FA;
  --white:      #FFFFFF;
  --text:       #34424E;
  --muted:      #5E6C78;
  --muted-2:    #64707C;
  --rule:       #E2E8ED;
  --rule-soft:  #EEF2F6;
  --rule-dark:  rgba(255, 255, 255, .16);

  --font: "Inter", "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC",
          "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system,
          "Segoe UI", Arial, sans-serif;

  --max: 1420px;
  --gutter: 32px;
  --header-h: 76px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 重置与基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.75;
  font-feature-settings: "tnum" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1.1em; }
h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -.028em;
  line-height: 1.12;
  color: var(--ink);
}
em { font-style: normal; color: var(--accent); }

::selection { background: var(--ink); color: #fff; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 20px;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------- 3. 通用排版元素 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
}
.eyebrow--light { color: var(--accent-d); }
.eyebrow--light::before { background: var(--accent-d); }

.sec-title {
  font-size: clamp(30px, 3.1vw, 46px);
  max-width: 22em;
}
.sec-title--wide { max-width: 30em; }
.lead {
  margin-top: 20px;
  max-width: 46em;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.sec-head { margin-bottom: 56px; }
.sec-head--center { text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head--center .lead { margin-left: auto; margin-right: auto; }

.section { padding: 128px 0; }
.section--tight { padding: 92px 0; }
.section--paper { background: var(--paper); }
.section--ink { background: var(--sky); color: var(--text); }
.section--ink h2, .section--ink h3, .section--ink h4 { color: var(--ink); }
.section--ink .lead { color: var(--muted); }
.section--ink .eyebrow { color: var(--accent-d); }
.section--ink .eyebrow::before { background: var(--accent-d); }

.prose { color: var(--muted); }
.prose p { margin-bottom: 1em; }

/* 细线列表（替代卡片） */
.fact-list { border-top: 1px solid var(--rule); }
.fact-list li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: 15.5px;
}
.fact-list li::before {
  content: "";
  flex: none;
  width: 6px; height: 6px;
  margin-top: 10px;
  background: var(--accent);
  transform: rotate(45deg);
}

/* ---------- 4. 按钮与链接 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease);
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { transform: translateY(-1px); }

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-d); }

.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-3); }

.btn--ghost { border-color: var(--rule); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); }

.btn--ghost-light { border-color: rgba(31, 78, 112, .3); color: var(--ink); }
.btn--ghost-light:hover { border-color: var(--ink); background: rgba(31, 78, 112, .05); }

.btn--sm { height: 44px; padding: 0 20px; font-size: 14px; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .01em;
}
.link-arrow::after {
  content: "→";
  transition: transform .2s var(--ease);
}
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- 5. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule-soft);
  transition: box-shadow .25s var(--ease), background .25s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 1px 0 var(--rule), 0 10px 30px rgba(10, 42, 67, .05);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; flex: none; }
.brand-logo { height: 44px; width: auto; }
.brand-logo--white { height: 38px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  font-size: 15px;
  color: #34434F;
  padding: 6px 0;
  transition: color .18s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--ink); font-weight: 600; }

.header-right { display: flex; align-items: center; gap: 18px; flex: none; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}
.lang-btn {
  background: none;
  border: 0;
  padding: 6px 11px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.lang-btn + .lang-btn { border-left: 1px solid var(--rule); }
.lang-btn:hover { color: var(--ink); }
.lang-btn.is-active { background: var(--ink); color: #fff; }

.burger {
  display: none;
  width: 42px; height: 42px;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 11px; right: 11px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .24s var(--ease), opacity .18s var(--ease);
}
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 25px; }
.burger.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 99;
  background: var(--paper);
  padding: 32px var(--gutter) 48px;
  display: none;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a.m-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}
.mobile-menu a.m-link::after { content: "→"; color: var(--muted-2); font-weight: 400; }
.mobile-menu .btn { margin-top: 28px; }
.mobile-menu .mobile-contact {
  margin-top: 32px;
  font-size: 14px;
  color: var(--muted);
  line-height: 2;
}

/* ---------- 6. 首屏 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: #F3F9FD;
  color: var(--text);
  padding: 92px 0 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 82% 8%, rgba(224, 138, 84, .14), transparent 62%),
    radial-gradient(760px 520px at 6% 96%, rgba(46, 111, 174, .14), transparent 66%),
    linear-gradient(180deg, #F5FAFD 0%, #E7F2FA 100%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(31, 78, 112, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(31, 78, 112, .055) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 78%);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 80px;
  align-items: center;
  padding-bottom: 84px;
}

.hero h1 {
  color: var(--ink);
  font-size: clamp(42px, 5vw, 74px);
  line-height: 1.05;
  letter-spacing: -.035em;
  margin-bottom: 26px;
}
.hero h1 em { color: var(--accent-d); }
.hero-sub {
  max-width: 34em;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
  font-size: 13.5px;
  color: var(--muted);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust span::before {
  content: "";
  width: 5px; height: 5px;
  background: var(--accent);
  transform: rotate(45deg);
}

/* 航线板 */
.route-board {
  position: relative;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(6px);
  box-shadow: 0 18px 44px rgba(31, 78, 112, .08);
  padding: 26px 26px 22px;
  border-radius: 3px;
}
.route-board-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 20px;
}
.route-board-top b { font-size: 15px; letter-spacing: .02em; color: var(--ink); }
.route-board-top span {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.route-map { width: 100%; height: auto; margin-bottom: 18px; }
.route-map .track { stroke: rgba(31, 78, 112, .2); stroke-width: 1; fill: none; }
.route-map .track-live {
  stroke: var(--accent);
  stroke-width: 1.6;
  fill: none;
  stroke-dasharray: 5 5;
  animation: dash 1.6s linear infinite;
}
.route-map .node { fill: var(--ink); }
.route-map .node-live { fill: var(--accent-d); }
.route-map .label {
  fill: var(--muted);
  font-size: 8.5px;
  font-family: var(--font);
  letter-spacing: .08em;
}
.route-map .label-strong { fill: var(--ink); }

@keyframes dash { to { stroke-dashoffset: -20; } }
@media (prefers-reduced-motion: reduce) {
  .route-map .track-live { animation: none; }
}

.route-rows { border-top: 1px solid var(--rule); }
.route-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13.5px;
}
.route-row .rc { color: var(--muted); }
.route-row .rc b {
  display: block;
  color: var(--ink);
  font-size: 14.5px;
  letter-spacing: .02em;
}
.route-row .rc small {
  display: block;
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--muted-2);
  text-transform: uppercase;
}
.route-row .rt {
  font-size: 12px;
  color: var(--accent-d);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* 首屏数据条 */
.hero-stats {
  position: relative;
  border-top: 1px solid var(--rule);
}
.hero-stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero-stat {
  padding: 30px 26px 34px;
  border-left: 1px solid var(--rule);
}
.hero-stat:first-child { border-left: 0; padding-left: 0; }
.hero-stat b {
  display: block;
  font-size: clamp(32px, 3.2vw, 46px);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.hero-stat b small { font-size: .45em; font-weight: 500; color: var(--muted); margin-left: 4px; }
.hero-stat span {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 7. 合作网络条 ---------- */
.network {
  background: var(--paper);
  border-bottom: 1px solid var(--rule-soft);
}
.network-inner {
  display: flex;
  align-items: center;
  gap: 44px;
  padding: 26px 0;
  flex-wrap: wrap;
}
.network-label {
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
  flex: none;
}
.network-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 38px;
  align-items: center;
}
.network-item {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  color: #7C8894;
  transition: color .2s var(--ease);
}
.network-item:hover { color: var(--ink); }

/* ---------- 8. 关于 / 图文分栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
  align-items: start;
}
.split--wide { grid-template-columns: 1.18fr .82fr; }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.stat-cell {
  padding: 30px 26px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.stat-cell b {
  display: block;
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat-cell b small { font-size: .45em; color: var(--muted); margin-left: 3px; font-weight: 500; }
.stat-cell span {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .04em;
}

/* 规格表（细线） */
.spec {
  border-top: 1px solid var(--rule);
}
.spec-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 17px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
}
.spec-key { color: var(--muted-2); font-size: 13px; letter-spacing: .06em; }
.spec-val { color: var(--text); }
.section--ink .spec { border-color: var(--rule); }
.section--ink .spec-row { border-color: var(--rule); }
.section--ink .spec-key { color: var(--muted-2); }
.section--ink .spec-val { color: var(--text); }

/* ---------- 9. 服务（编号行） ---------- */
.svc-list { border-top: 1px solid var(--rule); }
.svc-item {
  display: grid;
  grid-template-columns: 88px 300px 1fr auto;
  gap: 32px;
  align-items: start;
  padding: 38px 0;
  border-bottom: 1px solid var(--rule);
  transition: background .25s var(--ease), padding-left .25s var(--ease);
}
.svc-item:hover { background: rgba(46, 111, 174, .045); padding-left: 16px; }
.svc-num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--accent);
  padding-top: 6px;
}
.svc-item h3 { font-size: 24px; line-height: 1.3; }
.svc-item h3 small {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.svc-item p { color: var(--muted); font-size: 15.5px; margin: 0; max-width: 44em; }
.svc-go {
  align-self: center;
  width: 44px; height: 44px;
  border: 1px solid var(--rule);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--ink);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.svc-go:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.svc-go svg { width: 16px; height: 16px; }

/* 能力标签 */
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  padding: 9px 18px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.tag:hover { border-color: var(--ink); }

/* ---------- 10. 明星产品 ---------- */
.feature {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 0;
  border: 1px solid var(--rule);
}
.feature-copy { padding: 56px 56px 48px; }
.feature-panel {
  background: var(--sky);
  color: var(--text);
  padding: 56px 48px 48px;
  display: flex;
  flex-direction: column;
}
.feature-panel h3 { color: var(--ink); font-size: 20px; margin-bottom: 6px; }
.feature-panel .fp-note { color: var(--muted); font-size: 13px; margin-bottom: 26px; }
.price-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 26px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--rule);
}
.price-line b {
  font-size: 52px;
  font-weight: 600;
  letter-spacing: -.04em;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.price-line b small { font-size: .4em; color: var(--muted); margin-left: 4px; font-weight: 500; }
.price-line span { color: var(--muted); font-size: 13px; }
.fp-spec { margin-top: auto; }
.fp-spec .row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13.5px;
}
.fp-spec .row:last-child { border-bottom: 0; }
.fp-spec .row span { color: var(--muted-2); }
.fp-spec .row b { color: var(--ink); font-weight: 500; text-align: right; }

/* 产品矩阵 */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.prod-item {
  padding: 26px 22px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 132px;
  transition: background .22s var(--ease);
}
.prod-item:hover { background: var(--white); }
.prod-item span {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--accent);
  font-weight: 600;
}
.prod-item b { font-size: 15.5px; font-weight: 600; line-height: 1.5; color: var(--ink); }

/* ---------- 11. 仓库 ---------- */
.wh-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.wh-item {
  position: relative;
  padding: 34px 30px 36px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background .22s var(--ease);
}
.wh-item:hover { background: var(--paper); }
.wh-code {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--accent);
}
.wh-item h3 {
  margin: 18px 0 8px;
  font-size: 26px;
}
.wh-item h3 small {
  display: block;
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 500;
  margin-top: 6px;
}
.wh-item p { margin: 14px 0 0; color: var(--muted); font-size: 14.5px; }

/* ---------- 11.1 合作伙伴 ---------- */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}
.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: 12px 16px;
  background: var(--white);
}
.partner-item img {
  width: 100%;
  max-width: 260px;
  height: auto;
  opacity: .92;
  transition: opacity .25s var(--ease);
}
.partner-item:hover img { opacity: 1; }

@media (max-width: 980px) {
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .partner-item { min-height: 96px; padding: 12px 14px; }
}
@media (max-width: 560px) {
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-item { min-height: 86px; padding: 10px 12px; }
}

/* ---------- 12. 文化 ---------- */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.culture-item {
  padding: 40px 36px 8px;
  border-left: 1px solid var(--rule);
}
.culture-item:first-child { border-left: 0; padding-left: 0; }
.culture-item .num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent-d);
  font-weight: 600;
}
.culture-item h3 { margin: 18px 0 12px; font-size: 21px; color: var(--ink); }
.culture-item p { color: var(--muted); font-size: 15px; margin: 0; }

/* 使命 / 愿景两栏 + 价值观词条行 */
.culture-grid--two { grid-template-columns: repeat(2, 1fr); }

.values-block {
  margin-top: 62px;
  padding-top: 44px;
  border-top: 1px solid var(--rule);
}
.values-head { display: flex; align-items: baseline; gap: 20px; margin-bottom: 26px; }
.values-head .num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--accent-d);
  font-weight: 600;
}
.values-head h3 { margin: 0; font-size: 21px; color: var(--ink); }

.values-list { display: grid; grid-template-columns: repeat(6, 1fr); }
.values-list li { padding: 2px 22px; border-left: 1px solid var(--rule); }
.values-list li:first-child { border-left: 0; padding-left: 0; }
.v-idx {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted-2);
  margin-bottom: 10px;
}
.v-name { color: var(--ink); font-size: 15.5px; letter-spacing: .01em; white-space: nowrap; }

@media (max-width: 1180px) {
  .values-list { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .values-list li:nth-child(3n+1) { border-left: 0; padding-left: 0; }
}
@media (max-width: 760px) {
  .culture-grid--two { grid-template-columns: 1fr; }
  .values-block { margin-top: 44px; padding-top: 34px; }
  .values-list { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .values-list li:nth-child(n) { border-left: 1px solid var(--rule); padding: 0 0 0 16px; }
  .values-list li:nth-child(2n+1) { border-left: 0; padding-left: 0; }
}

/* ---------- 13. CTA ---------- */
.cta-band {
  background: var(--paper);
  border-top: 1px solid var(--rule);
  padding: 84px 0;
}
.cta-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.cta-band h2 {
  font-size: clamp(26px, 2.8vw, 38px);
  max-width: 20em;
}
.cta-band p { margin: 14px 0 0; color: var(--muted); font-size: 15.5px; }
.cta-actions { display: flex; gap: 12px; flex: none; flex-wrap: wrap; }

/* ---------- 14. 内页首屏 ---------- */
.page-hero {
  background: linear-gradient(180deg, #F5FAFD 0%, #E7F2FA 100%);
  color: var(--text);
  padding: 96px 0 84px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rule-soft);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 380px at 88% 0%, rgba(224, 138, 84, .12), transparent 60%);
  pointer-events: none;
}
.page-hero .wrap { position: relative; }
.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--muted-2);
  margin-bottom: 34px;
  letter-spacing: .04em;
}
.crumb a:hover { color: var(--ink); }
.crumb b { color: var(--ink); font-weight: 500; }
.page-hero h1 {
  color: var(--ink);
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.12;
  max-width: 18em;
}
.page-hero p {
  margin-top: 24px;
  max-width: 46em;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.8;
}

/* ---------- 15. 时间轴 ---------- */
.timeline { border-top: 1px solid var(--rule); }
.tl-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 40px;
  padding: 34px 0;
  border-bottom: 1px solid var(--rule);
}
.tl-year {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.tl-body h3 { font-size: 19px; margin-bottom: 8px; }
.tl-body p { color: var(--muted); font-size: 15px; margin: 0; max-width: 46em; }

/* ---------- 16. 联系方式 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.contact-cell {
  padding: 38px 34px 40px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.contact-cell .label {
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 18px;
}
.contact-cell b, .contact-cell a.value {
  display: block;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
  line-height: 1.45;
  word-break: break-word;
}
.contact-cell a.value:hover { color: var(--accent); }
.contact-cell small {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.copy-btn {
  margin-top: 16px;
  background: none;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 7px 14px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.copy-btn:hover { border-color: var(--ink); color: var(--ink); }

.qr-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 26px;
}
.qr-box {
  border: 1px dashed var(--rule);
  background: var(--paper);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: var(--muted-2);
  font-size: 12px;
  text-align: center;
  padding: 12px;
  line-height: 1.6;
}
.qr-box svg { width: 34px; height: 34px; margin: 0 auto 8px; }

.steps { border-top: 1px solid var(--rule); counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 26px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--accent);
  padding-top: 4px;
}
.step h3 { font-size: 18px; margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- 17. 单号查询 ---------- */
.track-panel {
  background: var(--sky);
  color: var(--text);
  padding: 64px 56px;
  border: 1px solid var(--rule);
}
.track-panel h2 { color: var(--ink); font-size: clamp(26px, 2.6vw, 36px); margin-bottom: 12px; }
.track-panel p { color: var(--muted); font-size: 15px; max-width: 40em; }
.track-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 30px;
  max-width: 640px;
}
.track-input {
  height: 58px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0 20px;
  color: var(--text);
  font-size: 16px;
  letter-spacing: .06em;
  font-variant-numeric: tabular-nums;
  outline: none;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.track-input::placeholder { color: var(--muted-2); letter-spacing: 0; }
.track-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(213, 135, 79, .14); }
.track-input.is-invalid { border-color: #E9A583; }
.track-hint { margin-top: 14px; font-size: 12.5px; color: var(--muted-2); }

/* ---------- 18. 404 ---------- */
.err-wrap {
  min-height: 68vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 100px 0;
}
.err-code {
  font-size: clamp(88px, 14vw, 180px);
  font-weight: 700;
  letter-spacing: -.06em;
  line-height: .9;
  color: var(--ink);
  margin-bottom: 18px;
}
.err-code span { color: var(--accent); }
.err-wrap h1 { font-size: 26px; margin-bottom: 14px; }
.err-wrap p { color: var(--muted); margin-bottom: 30px; }

/* ---------- 19. 页面首屏图片位（预留实景） ---------- */
.media-band {
  position: relative;
  height: clamp(280px, 34vw, 420px);
  background: var(--ink-2);
  overflow: hidden;
}
.media-band img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .9;
}
.media-band::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,42,67,.25), rgba(10,42,67,.55));
}

/* ---------- 20. 页脚 ---------- */
.site-footer {
  background: linear-gradient(180deg, #2F6E96 0%, #265E84 100%);
  color: rgba(255,255,255,.76);
  padding: 76px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .8fr .8fr 1.1fr;
  gap: 56px;
  padding-bottom: 56px;
}
.footer-brand .brand-logo--white { opacity: .95; }
.footer-about {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255,255,255,.68);
  max-width: 34em;
}
.footer-title {
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; font-size: 14.5px; }
.footer-links a { color: rgba(255,255,255,.85); transition: color .18s var(--ease); }
.footer-links a:hover { color: #fff; }

.footer-contact { font-size: 14px; line-height: 1.9; }
.footer-contact a { color: rgba(255,255,255,.9); }
.footer-contact a:hover { color: #fff; }
.footer-tel {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: #fff !important;
  display: block;
  margin-bottom: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--rule-dark);
  padding: 22px 0 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255,255,255,.58);
}
.footer-bottom a:hover { color: rgba(255,255,255,.85); }

/* ---------- 21. 动效 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn:hover { transform: none; }
}

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 44px; height: 44px;
  background: var(--ink);
  color: #fff;
  border: 0;
  border-radius: 2px;
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transform: translateY(8px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), background .2s var(--ease);
  cursor: pointer;
  z-index: 90;
}
.to-top.is-show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--ink-3); }
.to-top svg { width: 18px; height: 18px; }

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1180px) {
  :root { --gutter: 28px; }
  .header-inner { gap: 26px; }
  .site-nav { gap: 18px; }
  .hero-inner { gap: 48px; }
  .svc-item { grid-template-columns: 64px 240px 1fr auto; gap: 24px; }
}

@media (max-width: 1100px) {
  .nav-link { font-size: 14px; }
  .site-nav { gap: 13px; }
  .header-inner { gap: 20px; }
}

@media (max-width: 1024px) {
  .section { padding: 96px 0; }
  .split { gap: 56px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-item { grid-template-columns: 52px 1fr auto; }
  .svc-item p { grid-column: 2 / 3; }
  .svc-go { grid-row: 1 / 2; }
}

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .site-nav, .header-right .btn { display: none; }
  .burger { display: block; }
  .header-right { margin-left: auto; }
  .hero { padding-top: 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding-bottom: 56px; }
  .route-board { max-width: 520px; }
  .hero-stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .hero-stat { padding: 22px 20px 26px; }
  .hero-stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero-stat:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .split, .split--wide { grid-template-columns: 1fr; gap: 48px; }
  .feature { grid-template-columns: 1fr; }
  .feature-copy, .feature-panel { padding: 40px 30px 36px; }
  .wh-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .culture-item { border-left: 0; padding: 30px 0; border-top: 1px solid var(--rule); }
  .culture-item:first-child { border-top: 0; padding-top: 32px; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 110px 1fr; gap: 24px; }
  .page-hero { padding: 68px 0 60px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; padding-bottom: 40px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  :root { --gutter: 20px; }
  .section { padding: 72px 0; }
  .section--tight { padding: 60px 0; }
  .sec-head { margin-bottom: 40px; }
  .hero { padding-top: 44px; }
  .hero h1 { font-size: clamp(34px, 9.4vw, 46px); }
  .hero-sub { font-size: 15.5px; }
  .hero-cta .btn { flex: 1 1 auto; }
  .route-board { padding: 20px 18px 16px; }
  .hero-stats .wrap { grid-template-columns: 1fr 1fr; }
  .hero-stat b { font-size: 28px; }
  .network-inner { gap: 18px; padding: 20px 0; }
  .network-list { gap: 10px 24px; }
  .network-item { font-size: 13.5px; }
  .svc-item { grid-template-columns: 40px 1fr; gap: 14px; padding: 26px 0; }
  .svc-item h3 { font-size: 20px; }
  .svc-item p { grid-column: 2 / -1; font-size: 14.5px; }
  .svc-go { display: none; }
  .prod-grid { grid-template-columns: 1fr; }
  .prod-item { min-height: 0; padding: 20px 18px; }
  .spec-row { grid-template-columns: 1fr; gap: 4px; }
  .feature-copy, .feature-panel { padding: 30px 22px 28px; }
  .price-line b { font-size: 40px; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; }
  .tl-year { font-size: 20px; }
  .contact-cell { padding: 28px 22px 30px; }
  .track-panel { padding: 40px 24px; }
  .track-form { grid-template-columns: 1fr; }
  .track-form .btn { width: 100%; }
  .qr-row { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1 1 auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .to-top { right: 16px; bottom: 16px; }
}

/* 仅供屏幕阅读器（复制结果播报等） */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 查询框错误提示 */
.track-error {
  margin: 12px 0 0;
  color: #B5472E;
  font-size: 14px;
}
.track-error:empty { display: none; }

/* 移动端底部快捷联系条 */
.mobile-cta { display: none; }
@media (max-width: 900px) {
  .mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: flex;
    gap: 10px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .97);
    border-top: 1px solid var(--rule);
    box-shadow: 0 -6px 20px rgba(10, 42, 67, .08);
  }
  .mobile-cta .btn { flex: 1; justify-content: center; }
  body { padding-bottom: 86px; }
  .to-top { bottom: 96px; }
}

/* ---------- 15. 侧边快捷联系 ---------- */
.side-float {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sf-item { position: relative; }
.sf-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--rule-soft);
  background: var(--white);
  color: var(--ink-2);
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(15, 35, 52, .12);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.sf-btn:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.sf-btn svg { width: 21px; height: 21px; }
.sf-pop {
  position: absolute;
  right: 58px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--white);
  border: 1px solid var(--rule-soft);
  border-radius: 12px;
  box-shadow: 0 14px 40px rgba(10, 42, 67, .16);
  padding: 16px 18px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility 0s linear .22s;
}
.sf-pop.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%);
  transition: opacity .22s var(--ease), transform .22s var(--ease);
}
.sf-pop::after {
  content: "";
  position: absolute;
  right: -5px; top: 50%;
  width: 9px; height: 9px;
  background: var(--white);
  border-right: 1px solid var(--rule-soft);
  border-top: 1px solid var(--rule-soft);
  transform: translateY(-50%) rotate(45deg);
}
.sf-pop b {
  display: block;
  font-size: 12.5px;
  color: var(--muted-2);
  font-weight: 500;
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.sf-val { display: block; font-size: 19px; font-weight: 700; color: var(--ink); text-decoration: none; }
a.sf-val:hover { color: var(--ink-3); }
.sf-acts { display: flex; gap: 12px; align-items: center; margin-top: 10px; }
.sf-acts a { font-size: 13px; color: var(--ink); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 1px; }
.sf-acts a:hover { border-color: var(--ink); }
.sf-pop small { display: block; margin-top: 8px; font-size: 12px; color: var(--muted-2); }
.sf-pop--qr { width: 250px; padding: 14px; text-align: center; }
.sf-pop--qr img { display: block; width: 220px; height: auto; margin: 0 auto; border-radius: 6px; border: 1px solid var(--rule-soft); }
.sf-pop--qr b { margin: 8px 0 0; font-size: 12.5px; color: var(--ink); font-weight: 600; }

/* 图标动效（prefers-reduced-motion 下由全局规则自动禁用） */
@keyframes sf-ring {
  0%, 64%, 100% { transform: rotate(0); }
  68% { transform: rotate(-14deg); }
  72% { transform: rotate(12deg); }
  76% { transform: rotate(-10deg); }
  80% { transform: rotate(8deg); }
  84% { transform: rotate(-6deg); }
  88% { transform: rotate(0); }
}
.sf-btn[data-sf="phone"] svg { animation: sf-ring 2.8s var(--ease) infinite; }
@keyframes sf-bounce {
  0%, 80%, 100% { transform: translateY(0); }
  85% { transform: translateY(-3px); }
  90% { transform: translateY(1px); }
  95% { transform: translateY(-1px); }
}
.sf-btn[data-sf="qq"] svg { animation: sf-bounce 2.8s var(--ease) infinite; }
@keyframes sf-pulse {
  0%   { box-shadow: 0 6px 18px rgba(15,35,52,.12), 0 0 0 0 rgba(31,78,112,.28); }
  70%  { box-shadow: 0 6px 18px rgba(15,35,52,.12), 0 0 0 9px rgba(31,78,112,0); }
  100% { box-shadow: 0 6px 18px rgba(15,35,52,.12), 0 0 0 0 rgba(31,78,112,0); }
}
.sf-btn[data-sf="qr"] { animation: sf-pulse 2.4s ease-out infinite; }

@media (max-width: 560px) {
  .side-float { right: 10px; }
  .sf-btn { width: 40px; height: 40px; }
  .sf-btn svg { width: 18px; height: 18px; }
  .sf-pop { right: 50px; }
  .sf-pop--qr { width: 204px; }
  .sf-pop--qr img { width: 174px; }
}