/* ==========================================================
   青禾鸿图官网 — 共享样式
   亮色科技风 · 渐变主视觉 · 滚动动画
   ========================================================== */

:root {
  --bg: #f4f8ff;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-solid: #ffffff;
  --line: rgba(15, 23, 42, 0.10);
  --line-strong: rgba(15, 23, 42, 0.20);
  --txt: #0f172a;
  --txt-dim: #475569;
  --txt-faint: #64748b;
  --blue: #2563eb;
  --cyan: #0891b2;
  --violet: #7c3aed;
  --grad: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --grad-soft: linear-gradient(135deg, rgba(37,99,235,.10), rgba(6,182,212,.08));
  --radius: 16px;
  --shadow: 0 18px 44px rgba(15, 23, 42, 0.10);
  --nav-h: 68px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(37, 99, 235, 0.22); color: #0f172a; }

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

/* ---------- 背景装饰 ---------- */
.bg-deco {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(37, 99, 235, 0.10), transparent 60%),
    radial-gradient(700px 450px at -10% 30%, rgba(6, 182, 212, 0.08), transparent 60%),
    radial-gradient(800px 500px at 60% 110%, rgba(124, 58, 237, 0.07), transparent 60%),
    var(--bg);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgba(15,23,42,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(255, 255, 255, 0.95); box-shadow: 0 6px 24px rgba(15, 23, 42, .06); }
.nav-inner {
  width: min(1200px, 92%); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; letter-spacing: 1px; }
.logo-img { width: 42px; height: 42px; object-fit: contain; flex-shrink: 0; filter: drop-shadow(0 4px 12px rgba(34, 211, 238, .25)); }
.logo-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--grad);
  display: grid; place-items: center;
  font-size: 15px; font-weight: 800; color: #fff;
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.4);
  flex-shrink: 0;
}
.logo b { background: linear-gradient(90deg, #0f172a, #0369a1); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo small { display: block; font-size: 10px; font-weight: 400; color: var(--txt-faint); letter-spacing: 3px; line-height: 1.2; }

.menu { display: flex; align-items: center; gap: 6px; }
.menu > li { position: relative; }
.menu > li > a {
  display: block; padding: 10px 16px; border-radius: 10px;
  font-size: 15px; color: var(--txt-dim);
  transition: color .2s, background .2s;
}
.menu > li > a:hover, .menu > li > a.active { color: var(--blue); background: rgba(37, 99, 235, 0.08); }

/* 下拉 */
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 200px; padding: 8px;
  background: var(--panel-solid); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: all .25s ease;
}
.menu li:hover .dropdown, .dropdown.open { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 10px; font-size: 14px; color: var(--txt-dim);
  transition: all .2s;
}
.dropdown a:hover { background: var(--grad-soft); color: var(--blue); }
.dropdown a span.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad); flex-shrink: 0; }
.has-sub > a::after { content: "▾"; margin-left: 4px; font-size: 11px; opacity: .7; }

.nav-cta {
  padding: 9px 22px !important; border-radius: 999px !important;
  background: var(--grad) !important; color: #fff !important; font-weight: 600;
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
  transition: transform .2s, box-shadow .2s !important;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(59, 130, 246, 0.5); }

/* 移动端汉堡 */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--txt); border-radius: 2px; transition: .3s; }

/* ---------- 通用区块 ---------- */
.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: 110px 0; position: relative; }
.section-head { max-width: 760px; margin: 0 auto 64px; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 4px; color: var(--cyan);
  text-transform: uppercase; margin-bottom: 18px;
}
.kicker::before, .kicker::after { content: ""; width: 28px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan)); }
.kicker::after { background: linear-gradient(90deg, var(--cyan), transparent); }
.section-head h1, .section-head h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; line-height: 1.3; letter-spacing: 1px; }
.section-head h1 em, .section-head h2 em { font-style: normal; background: linear-gradient(90deg, #2563eb, #0891b2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-head p { margin-top: 16px; color: var(--txt-dim); font-size: 16px; }

/* 卡片 */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 2px 10px rgba(15, 23, 42, .04);
  padding: 32px; position: relative; overflow: hidden;
  transition: transform .3s ease, border-color .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(37, 99, 235, 0.45); box-shadow: 0 20px 44px rgba(15, 23, 42, 0.12); }
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity .3s;
}
.card:hover::before { opacity: 1; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid rgba(37, 99, 235, 0.25);
  font-size: 24px; margin-bottom: 20px;
}
.card h3 { font-size: 19px; margin-bottom: 12px; font-weight: 700; }
.card p { color: var(--txt-dim); font-size: 14.5px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; color: var(--cyan); font-size: 14px; font-weight: 600; }
.card .more:hover { gap: 10px; }
.card .more { transition: gap .2s; }

/* 标签 */
.tag {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(15, 23, 42, 0.03); border: 1px solid var(--line);
  font-size: 13px; color: var(--txt-dim); transition: all .2s;
}
.tag:hover { border-color: rgba(8, 145, 178, 0.5); color: var(--blue); }
.tag-group { display: flex; flex-wrap: wrap; gap: 10px; }

/* 数字统计 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 36px 20px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 2px 10px rgba(15, 23, 42, .04); transition: .3s; }
.stat:hover { border-color: rgba(37,99,235,.4); transform: translateY(-4px); }
.stat .num { font-size: clamp(34px, 4vw, 48px); font-weight: 800; background: linear-gradient(90deg, #2563eb, #0891b2); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.15; }
.stat .num sup { font-size: .55em; }
.stat .label { margin-top: 10px; color: var(--txt-dim); font-size: 14px; }

/* 列表打勾 */
.checks li { display: flex; gap: 10px; align-items: flex-start; padding: 7px 0; color: var(--txt-dim); font-size: 14.5px; }
.checks li::before { content: "✓"; color: var(--cyan); font-weight: 700; flex-shrink: 0; }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; display: flex; align-items: center; padding: calc(var(--nav-h) + 60px) 0 80px; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; animation: float 14s ease-in-out infinite; }
.orb-1 { width: 480px; height: 480px; background: rgba(37, 99, 235, .16); top: -140px; right: -80px; }
.orb-2 { width: 380px; height: 380px; background: rgba(6, 182, 212, .14); bottom: -120px; left: -100px; animation-delay: -5s; }
.orb-3 { width: 300px; height: 300px; background: rgba(124, 58, 237, .12); top: 40%; left: 45%; animation-delay: -9s; }
@keyframes float { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(30px, -40px) scale(1.08); } }

.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px;
  border: 1px solid rgba(34, 211, 238, .35); border-radius: 999px;
  background: rgba(6, 182, 212, .08); color: #0e7490; font-size: 13px; letter-spacing: 2px;
}
.hero-badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); animation: pulse 1.8s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34,211,238,.5); } 70% { box-shadow: 0 0 0 10px rgba(34,211,238,0); } 100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); } }

.hero h1 { font-size: clamp(38px, 5.4vw, 62px); line-height: 1.22; font-weight: 800; margin: 26px 0 10px; letter-spacing: 1px; }
.hero h1 .grad { background: linear-gradient(92deg, #2563eb 0%, #0891b2 55%, #7c3aed 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { font-size: 17px; color: var(--txt-dim); max-width: 560px; margin-top: 18px; }
.hero-actions { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 34px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: all .25s; cursor: pointer; border: none;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px rgba(59, 130, 246, .4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(59, 130, 246, .55); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--txt); background: rgba(15,23,42,.03); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); }

/* hero 视觉：悬浮卡片矩阵 */
.hero-visual { position: relative; height: 440px; }
.hv-card {
  position: absolute; padding: 18px 20px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(10px); box-shadow: var(--shadow);
  animation: hover-float 6s ease-in-out infinite;
  min-width: 190px;
}
.hv-card .t { font-size: 12px; color: var(--txt-faint); letter-spacing: 1px; margin-bottom: 6px; }
.hv-card .v { font-size: 20px; font-weight: 700; }
.hv-card .bar { margin-top: 10px; height: 6px; border-radius: 3px; background: rgba(15,23,42,.10); overflow: hidden; }
.hv-card .bar i { display: block; height: 100%; border-radius: 3px; background: var(--grad); animation: grow 2.4s ease forwards; }
@keyframes grow { from { width: 0; } }
@keyframes hover-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.hv-1 { top: 6%; right: 4%; animation-delay: 0s; }
.hv-2 { top: 32%; right: 40%; animation-delay: -1.5s; }
.hv-3 { top: 58%; right: 6%; animation-delay: -3s; }
.hv-4 { top: 78%; right: 44%; animation-delay: -4.5s; }
.hv-core {
  top: 30%; right: 8%; width: 210px; padding: 24px;
  background: linear-gradient(160deg, rgba(59,130,246,.16), rgba(34,211,238,.08));
  border-color: rgba(59, 130, 246, .4);
  display: grid; place-items: center; text-align: center;
}
.hv-core .logo-mark { width: 56px; height: 56px; font-size: 22px; margin: 0 auto 12px; }
.hv-ring { position: absolute; inset: 12%; border: 1px dashed rgba(15,23,42,.18); border-radius: 50%; animation: spin 40s linear infinite; }
.hv-ring::after { content: ""; position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
@keyframes spin { to { transform: rotate(360deg); } }

/* 滚动提示 */
.scroll-hint { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); color: var(--txt-faint); font-size: 12px; letter-spacing: 2px; text-align: center; }
.scroll-hint i { display: block; width: 1px; height: 40px; margin: 10px auto 0; background: linear-gradient(var(--cyan), transparent); animation: drop 1.8s infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 公司介绍配图 ---------- */
.about-text p { font-size: 15px; color: var(--txt-dim); margin-bottom: 16px; line-height: 1.95; }
.about-text .hl { color: #0369a1; font-weight: 700; }
.about-text .hl2 { color: inherit; font-weight: 400; }

.about-visual {
  position: relative; border-radius: 20px; border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(59,130,246,.10), rgba(34,211,238,.04));
  padding: 18px; overflow: hidden;
}
.about-visual svg { width: 100%; height: auto; display: block; border-radius: 12px; }
.about-visual .crane-car { animation: craneY 4.5s ease-in-out infinite alternate; }
.about-visual .agv { animation: agvX 7s ease-in-out infinite alternate; }
@keyframes craneY { from { transform: translateY(0); } to { transform: translateY(128px); } }
@keyframes agvX { from { transform: translateX(30px); } to { transform: translateX(430px); } }

.chip {
  position: absolute; display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px; font-size: 12.5px; color: #0e7490;
  background: rgba(255, 255, 255, .92); border: 1px solid rgba(6, 182, 212, .45);
  backdrop-filter: blur(8px); box-shadow: 0 8px 20px rgba(15,23,42,.10);
  animation: hover-float 6s ease-in-out infinite;
}
.chip .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: pulse 1.8s infinite; }
.chip-1 { top: 22px; left: 22px; }
.chip-2 { top: 22px; right: 22px; animation-delay: -2s; }
.chip-3 { bottom: 22px; right: 22px; animation-delay: -4s; }

/* ---------- 页头（子页面） ---------- */
.page-head { padding: calc(var(--nav-h) + 90px) 0 70px; text-align: center; position: relative; overflow: hidden; }
.page-head h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 800; margin-top: 20px; letter-spacing: 1px; }
.page-head h1 .grad { background: linear-gradient(92deg, #2563eb, #0891b2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-head p { color: var(--txt-dim); max-width: 720px; margin: 18px auto 0; font-size: 16px; }
.crumbs { margin-top: 26px; font-size: 13px; color: var(--txt-faint); }
.crumbs a:hover { color: var(--cyan); }

/* ---------- 特性网格 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* 左右分栏 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split .visual {
  border-radius: 20px; border: 1px solid var(--line); padding: 40px;
  background: linear-gradient(160deg, rgba(59,130,246,.10), rgba(34,211,238,.04));
  position: relative; overflow: hidden;
}
.split .visual::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 260px at 80% 20%, rgba(34,211,238,.12), transparent 70%);
}

/* 流程/时间线 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 34px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,.35), rgba(8,145,178,.35), transparent);
}
.step { text-align: center; position: relative; }
.step .no {
  width: 68px; height: 68px; margin: 0 auto 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: 22px; font-weight: 800;
  background: var(--panel-solid); border: 2px solid rgba(59, 130, 246, .45); color: var(--cyan);
  position: relative; z-index: 1; transition: .3s;
}
.step:hover .no { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 24px rgba(59,130,246,.45); }
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--txt-dim); }

/* 对比表 */
.vs-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14.5px; }
.vs-table th, .vs-table td { padding: 16px 22px; text-align: left; border-bottom: 1px solid var(--line); }
.vs-table th { background: rgba(37, 99, 235, .07); font-weight: 700; }
.vs-table tr:last-child td { border-bottom: none; }
.vs-table td:first-child { color: var(--txt-dim); width: 22%; }
.vs-table .good { color: #15803d; }
.vs-table .bad { color: #dc2626; }

/* 案例横幅 */
.case-banner {
  border-radius: 20px; overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(59,130,246,.14), rgba(34,211,238,.05) 55%, rgba(139,92,246,.08));
  padding: 46px; margin-bottom: 32px;
}
.case-banner h3 { font-size: 24px; margin-bottom: 8px; }
.case-banner .meta { color: var(--cyan); font-size: 13px; letter-spacing: 2px; margin-bottom: 18px; }
.case-metrics { display: flex; gap: 40px; margin-top: 26px; flex-wrap: wrap; }
.case-metrics .m .num { font-size: 30px; font-weight: 800; color: #0369a1; }
.case-metrics .m .num sup { font-size: .6em; }
.case-metrics .m .label { font-size: 13px; color: var(--txt-dim); margin-top: 4px; }

/* ---------- 联系我们 ---------- */
.contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; }
.contact-card {
  padding: 40px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(59,130,246,.12), rgba(34,211,238,.05));
}
.contact-item { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px dashed var(--line-strong); }
.contact-item:last-child { border-bottom: none; }
.contact-item .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-soft); border: 1px solid rgba(37,99,235,.25); display: grid; place-items: center; font-size: 20px; flex-shrink: 0; }
.contact-item .k { font-size: 13px; color: var(--txt-faint); letter-spacing: 1px; }
.contact-item .v { font-size: 16px; font-weight: 600; margin-top: 2px; }
.hl-phone {
  background: linear-gradient(90deg, #2563eb, #0891b2);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-weight: 800;
}
.contact-item .v .hl-phone { font-size: 21px; letter-spacing: .5px; }
.foot-grid a.hl-phone { color: transparent; }
.contact-form { padding: 40px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); }
.contact-cta {
  display: flex; flex-direction: column; justify-content: center;
  padding: 44px 42px; border-radius: var(--radius);
  border: 1px solid rgba(59, 130, 246, .35);
  background: linear-gradient(160deg, rgba(59, 130, 246, .16), rgba(34, 211, 238, .05) 55%, rgba(139, 92, 246, .10));
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.contact-cta::after {
  content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, .18), transparent 70%);
  top: -120px; right: -100px; pointer-events: none;
}
.cta-badge {
  align-self: flex-start; display: inline-flex; padding: 6px 16px; border-radius: 999px;
  background: rgba(6, 182, 212, .10); border: 1px solid rgba(6, 182, 212, .4);
  color: #0e7490; font-size: 12px; font-weight: 600; letter-spacing: 3px; margin-bottom: 20px;
}
.contact-cta h3 { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.4; margin-bottom: 12px; position: relative; }
.contact-cta p { color: var(--txt-dim); margin-bottom: 26px; font-size: 15px; position: relative; }
.cta-points { display: flex; flex-direction: column; gap: 13px; margin-bottom: 30px; position: relative; }
.cta-points .point {
  display: flex; gap: 14px; align-items: center; padding: 13px 16px;
  border-radius: 12px; background: rgba(244, 248, 255, .9); border: 1px solid var(--line);
  transition: border-color .25s, transform .25s;
}
.cta-points .point:hover { border-color: rgba(8, 145, 178, .45); transform: translateX(4px); }
.cta-points .p-icon {
  width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0;
  background: var(--grad-soft); border: 1px solid rgba(37, 99, 235, .25);
  display: grid; place-items: center; font-size: 19px;
}
.cta-points b { display: block; font-size: 15px; }
.cta-points small { color: var(--txt-dim); font-size: 12.5px; }
.contact-cta .btn { align-self: flex-start; position: relative; }
.contact-form h3 { margin-bottom: 24px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; color: var(--txt-dim); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px; border-radius: 10px;
  background: #ffffff; border: 1px solid var(--line-strong);
  color: var(--txt); font-size: 14px; font-family: inherit; outline: none; transition: border-color .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); }
.field textarea { min-height: 110px; resize: vertical; }

/* ---------- CTA ---------- */
.cta {
  margin: 0 auto; padding: 70px 50px; border-radius: 24px; text-align: center;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(37,99,235,.10), transparent 65%),
    radial-gradient(500px 300px at 85% 100%, rgba(124,58,237,.10), transparent 65%),
    #ffffff;
  border: 1px solid rgba(59, 130, 246, .3);
  position: relative; overflow: hidden;
}
.cta h2 { font-size: clamp(26px, 3.6vw, 38px); }
.cta p { color: var(--txt-dim); margin: 16px auto 34px; max-width: 560px; }

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line); padding: 70px 0 34px; margin-top: 40px; background: #ffffff; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.foot-grid h4 { font-size: 15px; margin-bottom: 18px; color: var(--txt); }
.foot-grid li { margin-bottom: 10px; }
.foot-grid a { color: var(--txt-dim); font-size: 14px; transition: color .2s; }
.foot-grid a:hover { color: var(--cyan); }
.foot-grid .desc { color: var(--txt-dim); font-size: 14px; margin-top: 16px; max-width: 300px; }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 26px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--txt-faint); font-size: 13px; }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.reveal-l { opacity: 0; transform: translateX(-44px); transition: opacity .8s ease, transform .8s ease; transition-delay: var(--d, 0s); }
.reveal-l.in { opacity: 1; transform: none; }
.reveal-r { opacity: 0; transform: translateX(44px); transition: opacity .8s ease, transform .8s ease; transition-delay: var(--d, 0s); }
.reveal-r.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner, .split, .contact-wrap { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .steps::before { display: none; }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .menu {
    position: fixed; top: var(--nav-h); right: 0; left: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(255, 255, 255, .98); border-bottom: 1px solid var(--line);
    padding: 18px 6%; display: none;
  }
  .menu.open { display: flex; }
  .menu > li > a { padding: 14px 16px; }
  .dropdown { position: static; transform: none; opacity: 1; visibility: visible; display: none; box-shadow: none; border: none; background: transparent; padding-left: 20px; }
  .menu li:hover .dropdown, .dropdown.open { display: block; }
  .hamburger { display: flex; }
  .section { padding: 80px 0; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .case-banner { padding: 30px 24px; }
  .cta { padding: 50px 26px; }
  .contact-card, .contact-form { padding: 28px; }
}

/* ---------- 移动端增强（手机浏览器） ---------- */
@media (max-width: 768px) {
  html { -webkit-text-size-adjust: 100%; }
  body { -webkit-tap-highlight-color: transparent; overflow-wrap: break-word; }

  /* 菜单可滚动，下拉不溢出屏幕 */
  .menu { max-height: calc(100vh - var(--nav-h)); overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .dropdown { min-width: 0; }

  /* 长文本 / 地址 / 英文串换行 */
  p, li, td, th, .contact-item .v, .foot-grid a { overflow-wrap: break-word; word-break: break-word; }

  /* 表单字号 >=16px，避免 iOS 聚焦自动放大 */
  .field input, .field textarea, .field select { font-size: 16px; }

  /* 首页库房示意图上的浮动标签 */
  .chip { font-size: 11px; padding: 5px 10px; }
  .chip-1 { left: 10px; top: 12px; }
  .chip-2 { right: 10px; top: 12px; }
  .chip-3 { right: 10px; bottom: 12px; }
  .about-visual { padding: 10px; }

  /* 表格横向滚动 */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrap .vs-table { min-width: 560px; }

  /* 汉堡按钮展开动画 */
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .case-metrics { gap: 22px; }
  footer { padding-bottom: calc(34px + env(safe-area-inset-bottom, 0px)); }
}

@media (max-width: 480px) {
  .container { width: 94%; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head p { font-size: 15px; margin-top: 12px; }
  .kicker { font-size: 11px; letter-spacing: 2px; margin-bottom: 12px; }
  .kicker::before, .kicker::after { width: 18px; }

  .card { padding: 22px; border-radius: 14px; }
  .card h3 { font-size: 17px; }
  .card p { font-size: 14px; }
  .card .icon { width: 44px; height: 44px; font-size: 20px; margin-bottom: 14px; }

  .grid-2 { grid-template-columns: 1fr; }
  .visual .grid-2 { grid-template-columns: 1fr; }
  .split { gap: 36px; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat { padding: 24px 12px; }
  .stat .num { font-size: 30px; }
  .stat .label { font-size: 13px; }

  .btn { padding: 12px 22px; font-size: 14px; }
  .hero-actions { gap: 12px; margin-top: 28px; }
  .cta { padding: 40px 20px; border-radius: 18px; }
  .cta h2 { font-size: 22px; }

  .contact-card, .contact-form { padding: 22px; }
  .contact-item { gap: 12px; padding: 14px 0; }
  .contact-item .icon { width: 38px; height: 38px; font-size: 17px; }
  .contact-item .v { font-size: 15px; }
  .contact-item .v .hl-phone { font-size: 19px; }
  .contact-cta { padding: 30px 22px; }
  .cta-points .point { padding: 11px 13px; gap: 11px; }
  .cta-points .p-icon { width: 36px; height: 36px; font-size: 16px; }

  .page-head { padding: calc(var(--nav-h) + 56px) 0 44px; }
  .page-head h1 { font-size: clamp(24px, 7vw, 34px); }
  .page-head p { font-size: 15px; }
  .crumbs { font-size: 12px; margin-top: 18px; }

  .tag { font-size: 12px; padding: 5px 11px; }
  .tag-group { gap: 8px; }
  .step .no { width: 54px; height: 54px; font-size: 18px; margin-bottom: 14px; }

  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
  .foot-bottom { font-size: 12px; }
  .case-banner { padding: 24px 18px; }
  .case-metrics { gap: 18px; }
  .case-metrics .m .num { font-size: 24px; }

  /* 覆盖 HTML 内联 padding / 首屏留白 */
  .card[style*="padding"] { padding: 22px !important; }
  #about.section { padding-top: calc(var(--nav-h) + 40px) !important; }
}

/* 减少动效偏好 + 低端机降级 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}