/* ============ 设计令牌 ============ */
:root {
  --primary: #FF6B00;
  --primary-d: #E85D00;
  --primary-l: #FFF1E6;
  --secondary: #0A2540;
  --secondary-2: #0F3257;
  --secondary-3: #143D69;
  --accent: #00C896;
  --text: #1A202C;
  --text-2: #4A5568;
  --text-3: #718096;
  --bg-light: #F7F8FA;
  --surface: #FFFFFF;
  --border: #E2E8F0;
  --radius: 14px;
  --radius-s: 8px;
  --shadow: 0 4px 24px rgba(10,37,64,.08);
  --shadow-lg: 0 12px 40px rgba(10,37,64,.14);
  --num-font: 'DIN Alternate', 'Bahnschrift', 'Oswald', 'Arial Narrow', sans-serif;
  --font: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1280px;
  --nav-h: 72px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--primary); color: #fff; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
section { position: relative; }
.sec-pad { padding: 96px 0; }

/* 版块标题 */
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.sec-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: var(--primary); background: var(--primary-l);
  padding: 6px 16px; border-radius: 100px; margin-bottom: 16px;
}
.sec-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.sec-head h2 { font-size: 32px; font-weight: 700; line-height: 1.3; margin-bottom: 14px; }
.sec-head p { color: var(--text-2); font-size: 15px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 32px; border-radius: 100px; font-size: 15px; font-weight: 600;
  border: 2px solid transparent; transition: all .3s ease; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(255,107,0,.35); }
.btn-primary:hover { background: var(--primary-d); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,107,0,.45); }
.btn-outline-light { border-color: rgba(255,255,255,.6); color: #fff; background: rgba(255,255,255,.06); backdrop-filter: blur(4px); }
.btn-outline-light:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.btn-outline { border-color: var(--secondary); color: var(--secondary); background: transparent; }
.btn-outline:hover { background: var(--secondary); color: #fff; }
.btn-block { width: 100%; }

/* ============ 导航栏 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h); transition: background .35s, box-shadow .35s, backdrop-filter .35s;
  background: transparent;
}
.nav.scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(10,37,64,.06);
}
.nav-inner { max-width: var(--max-w); margin: 0 auto; height: 100%; padding: 0 32px; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: #fff; transition: color .3s; flex-shrink: 0; }
.nav.scrolled .logo { color: var(--secondary); }
.logo-badge {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, #FF8A33, var(--primary));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(255,107,0,.4);
}
.logo-badge svg { width: 20px; height: 20px; }
.logo-img { height: 60px; width: auto; flex-shrink: 0; display: block; border-radius: 8px; }
.logo-text small { display: block; font-size: 10px; font-weight: 500; letter-spacing: 1.5px; color: currentColor; opacity: .65; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  position: relative; padding: 8px 14px; font-size: 14.5px; font-weight: 500;
  color: rgba(255,255,255,.88); border-radius: 8px; transition: color .25s;
}
.nav.scrolled .nav-links a { color: var(--text-2); }
.nav-links a::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--primary); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta { display: flex; gap: 10px; flex-shrink: 0; }
.nav-cta .btn { padding: 9px 20px; font-size: 13.5px; }
.nav-burger {
  display: none; width: 42px; height: 42px; border: none; background: transparent; margin-left: auto;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.nav-burger span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all .3s; }
.nav.scrolled .nav-burger span { background: var(--secondary); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: 0; z-index: 999; background: var(--secondary);
  padding: calc(var(--nav-h) + 24px) 32px 40px;
  display: flex; flex-direction: column; gap: 6px;
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity .3s, transform .3s, visibility .3s;
  overflow-y: auto;
}
.drawer.open { opacity: 1; visibility: visible; transform: none; }
.drawer a {
  color: rgba(255,255,255,.9); font-size: 18px; font-weight: 500;
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; align-items: center;
}
.drawer a.active { color: var(--primary); }
.drawer-cta { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }

/* ============ Hero ============ */
.hero {
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  text-align: left; color: #fff; overflow: hidden;
  background: var(--secondary);
  padding: calc(var(--nav-h) + 40px) 24px 90px;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-gradient {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,37,64,.72) 0%, rgba(10,37,64,.25) 45%, rgba(8,27,48,.7) 100%),
    url("../images/hero-bg.jpg") center / cover no-repeat;
}
.hero-grid {
  position: absolute; inset: 0; opacity: .35;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 30%, transparent 75%);
}
.hero-road { position: absolute; bottom: 0; left: 0; right: 0; height: 34%; }
.hero-road svg { position: absolute; bottom: 0; left: 0; width: 200%; height: 100%; animation: road-move 26s linear infinite; }
@keyframes road-move { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,37,64,.55) 0%, rgba(10,37,64,.15) 40%, rgba(8,27,48,.75) 100%);
}
.hero-particle { position: absolute; border-radius: 50%; background: rgba(255,180,110,.6); filter: blur(1px); animation: float-up linear infinite; }
.hero-particle.g { background: rgba(0,200,150,.5); }
@keyframes float-up {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  12% { opacity: .8; }
  85% { opacity: .4; }
  100% { transform: translateY(-72vh) scale(.4); opacity: 0; }
}
.hero-content { position: relative; z-index: 2; max-width: 900px; margin-left: clamp(24px, 7vw, 100px); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px; border-radius: 100px; font-size: 13.5px; font-weight: 500;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px); margin-bottom: 28px; letter-spacing: 1px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.35); opacity: .65; } }
.hero h1 {
  font-size: clamp(38px, 6.5vw, 72px); font-weight: 800; line-height: 1.18;
  letter-spacing: 2px; margin-bottom: 22px;
  text-shadow: 0 8px 40px rgba(0,0,0,.35);
}
.hero h1 .accent { color: var(--primary); }
.hero-sub {
  font-size: clamp(15px, 1.6vw, 18px); color: rgba(255,255,255,.85);
  max-width: 680px; margin: 0 0 40px; line-height: 1.9;
}
.hero-sub b { color: #fff; font-weight: 600; }
.hero-sub .sep { margin: 0 10px; color: rgba(255,255,255,.35); }
.hero-cta { display: flex; gap: 16px; justify-content: flex-start; flex-wrap: wrap; margin-bottom: 56px; }
.hero-cta .btn { padding: 15px 40px; font-size: 16px; }
.hero-trust {
  display: flex; justify-content: flex-start; flex-wrap: wrap; gap: 0;
  border-top: 1px solid rgba(255,255,255,.14); padding-top: 26px; max-width: 760px; margin: 0;
}
.hero-trust-item { display: flex; flex-direction: column; align-items: flex-start; padding: 0 34px; position: relative; }
.hero-trust-item + .hero-trust-item::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  height: 34px; width: 1px; background: rgba(255,255,255,.15);
}
.hero-trust-item b { font-family: var(--num-font); font-size: 26px; font-weight: 700; color: #fff; }
.hero-trust-item b em { font-style: normal; color: var(--primary); }
.hero-trust-item span { font-size: 12.5px; color: rgba(255,255,255,.65); letter-spacing: 1px; }
.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: 3px;
}
.hero-scroll .mouse { width: 22px; height: 36px; border: 1.5px solid rgba(255,255,255,.5); border-radius: 12px; position: relative; }
.hero-scroll .mouse::after {
  content: ''; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px;
  background: var(--primary); border-radius: 2px; animation: scroll-wheel 1.8s ease-in-out infinite;
}
@keyframes scroll-wheel { 0% { opacity: 1; transform: translateY(0); } 70% { opacity: 0; transform: translateY(12px); } 100% { opacity: 0; } }

/* ============ 数据成就 ============ */
.stats { background: var(--secondary); color: #fff; padding: 72px 0; overflow: hidden; }
.stats::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 45% 70% at 8% 50%, rgba(255,107,0,.12), transparent 60%),
    radial-gradient(ellipse 45% 70% at 92% 50%, rgba(0,200,150,.1), transparent 60%);
}
.stats-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  text-align: center; padding: 34px 16px; border-radius: var(--radius);
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.09);
  transition: transform .35s, background .35s, border-color .35s;
}
.stat-card:hover { transform: translateY(-6px); background: rgba(255,255,255,.08); border-color: rgba(255,107,0,.4); }
.stat-card .num {
  font-family: var(--num-font); font-size: 52px; font-weight: 700; line-height: 1.1;
  color: var(--primary); text-shadow: 0 4px 24px rgba(255,107,0,.35);
}
.stat-card .num small { font-size: 26px; margin-left: 2px; }
.stat-card .label { font-size: 15px; font-weight: 600; margin-top: 8px; }
.stat-card .desc { font-size: 12.5px; color: rgba(255,255,255,.55); margin-top: 2px; }

/* ============ 关于橙电 ============ */
.about { background: var(--surface); }
.about-intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about-text h3 { font-size: 24px; font-weight: 700; margin-bottom: 18px; line-height: 1.4; }
.about-text h3 span { color: var(--primary); }
.about-text p { color: var(--text-2); margin-bottom: 14px; text-align: justify; }
.about-visual { position: relative; }
.about-visual .map-wrap {
  border-radius: var(--radius); overflow: hidden; 
  border: 0px solid var(--border); height: 420px; position: relative; background: #EDF1F6;
}
.map-wrap #cityMap, .map-wrap #contactMap { width: 100%; height: 100%; display: block; }
.about-map-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.map-fallback { display: none; position: absolute; inset: 0; padding: 28px; background: linear-gradient(160deg, #EDF2F8, #DDE6F0); flex-direction: column; align-items: center; justify-content: center; gap: 16px; text-align: center; z-index: 2; }
.map-fallback.show { display: flex; }
.map-fallback .fb-title { font-weight: 700; color: var(--secondary); font-size: 16px; }
.map-fallback .fb-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 360px; }
.map-fallback .fb-chips span { padding: 6px 16px; border-radius: 100px; background: #fff; border: 1px solid var(--border); font-size: 13px; color: var(--text-2); font-weight: 500; }
.map-note { position: absolute; left: 14px; bottom: 14px; z-index: 3; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-radius: 10px; padding: 10px 16px; box-shadow: var(--shadow); font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.map-note .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(255,107,0,.2); flex-shrink: 0; }
.map-note b { color: var(--secondary); }
.mvv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 72px; }
.mvv-card {
  background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 30px; position: relative; overflow: hidden; transition: transform .35s, box-shadow .35s;
}
.mvv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.mvv-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.mvv-card:hover::before { transform: scaleX(1); }
.mvv-card .icon {
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 20px;
  background: var(--primary-l); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.mvv-card .icon svg { width: 28px; height: 28px; }
.mvv-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--secondary); }
.mvv-card p { font-size: 14px; color: var(--text-2); }
.mvv-card .vals { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.mvv-card .vals span { padding: 5px 14px; border-radius: 100px; background: #fff; border: 1px solid var(--border); font-size: 13px; color: var(--text-2); transition: all .25s; }
.mvv-card .vals span:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.timeline-wrap { margin-top: 72px; }
.timeline-wrap .tl-note { text-align: center; font-size: 13px; color: var(--text-3); margin-top: 18px; }
.timeline { display: flex; position: relative; margin-top: 40px; }
.timeline::before { content: ''; position: absolute; left: 0; right: 0; top: 9px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--border)); }
.tl-item { flex: 1; padding: 0 18px; position: relative; }
.tl-item::before {
  content: ''; position: absolute; top: 2px; left: 18px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--primary); box-shadow: 0 0 0 5px rgba(255,107,0,.14);
}
.tl-item.tbd::before { border-color: var(--border); box-shadow: none; }
.tl-item .tl-year { font-family: var(--num-font); font-size: 24px; font-weight: 700; color: var(--primary); margin: 34px 0 4px; }
.tl-item.tbd .tl-year { color: var(--text-3); }
.tl-item h5 { font-size: 15.5px; font-weight: 600; color: var(--secondary); }
.tl-item p { font-size: 13px; color: var(--text-3); margin-top: 2px; }

/* ============ 核心业务 ============ */
.business { background: var(--bg-light); }
.loop { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 40px 36px; box-shadow: var(--shadow); }
.loop-chain { display: flex; align-items: stretch; gap: 0; }
.loop-node {
  flex: 1; text-align: center; padding: 22px 12px; position: relative;
  background: linear-gradient(180deg, #fff, var(--bg-light));
  border: 1px solid var(--border); border-radius: var(--radius-s);
}
.loop-node .ic { width: 46px; height: 46px; margin: 0 auto 10px; border-radius: 12px; background: var(--primary-l); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.loop-node .ic svg { width: 24px; height: 24px; }
.loop-node b { display: block; font-size: 16px; color: var(--secondary); }
.loop-node span { font-size: 12px; color: var(--text-3); }
.loop-arrow { display: flex; align-items: center; padding: 0 10px; color: var(--primary); flex-shrink: 0; }
.loop-arrow svg { width: 26px; height: 26px; }
.loop-base {
  margin-top: 16px; border-radius: var(--radius-s); padding: 18px 24px;
  background: linear-gradient(90deg, var(--secondary), var(--secondary-3));
  color: #fff; display: flex; align-items: center; gap: 16px;
}
.loop-base .ic { width: 42px; height: 42px; border-radius: 10px; background: rgba(0,200,150,.18); color: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.loop-base .ic svg { width: 22px; height: 22px; }
.loop-base b { font-size: 16px; }
.loop-base p { font-size: 13px; color: rgba(255,255,255,.75); }
.loop-base .tag { margin-left: auto; flex-shrink: 0; font-size: 12px; padding: 4px 12px; border-radius: 100px; background: rgba(0,200,150,.2); color: var(--accent); border: 1px solid rgba(0,200,150,.4); white-space: nowrap; }
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.biz-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; transition: transform .35s, box-shadow .35s, border-color .35s; position: relative; overflow: hidden;
}
.biz-card::after { content: ''; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px; border-radius: 50%; background: var(--primary-l); opacity: 0; transition: opacity .4s, transform .4s; transform: scale(.6); }
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(255,107,0,.35); }
.biz-card:hover::after { opacity: .55; transform: scale(1); }
.biz-card > * { position: relative; z-index: 1; }
.biz-card .biz-no { font-family: var(--num-font); font-size: 15px; font-weight: 700; color: var(--primary); letter-spacing: 2px; margin-bottom: 12px; }
.biz-card .icon { width: 54px; height: 54px; border-radius: 14px; background: var(--secondary); color: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.biz-card .icon svg { width: 26px; height: 26px; }
.biz-card h4 { font-size: 19px; font-weight: 700; color: var(--secondary); margin-bottom: 8px; }
.biz-card > p { font-size: 13.5px; color: var(--text-2); margin-bottom: 16px; }
.biz-card ul { list-style: none; }
.biz-card li { font-size: 13.5px; color: var(--text-2); padding: 6px 0 6px 24px; position: relative; }
.biz-card li::before {
  content: ''; position: absolute; left: 0; top: 12px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--primary-l); box-shadow: inset 0 0 0 1.5px var(--primary);
}
.biz-card li::after { content: ''; position: absolute; left: 5px; top: 17px; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
.biz-loop-note {
  grid-column: 1 / -1; text-align: center; padding: 26px 40px; border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(255,107,0,.07), rgba(255,107,0,.14), rgba(255,107,0,.07));
  border: 1px dashed rgba(255,107,0,.4); color: var(--text-2); font-size: 14px;
}
.biz-loop-note b { color: var(--primary); font-size: 15px; }
/* ============ 平台能力 ============ */
.platform { background: var(--surface); }
.platform-overview { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.platform-text h3 { font-size: 25px; font-weight: 700; line-height: 1.45; margin-bottom: 6px; }
.platform-text h3 span { color: var(--primary); }
.platform-text .sub { color: var(--text-3); font-size: 14px; margin-bottom: 20px; letter-spacing: 1px; }
.platform-text p { color: var(--text-2); margin-bottom: 14px; }
.pt-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pt-tags span { padding: 7px 16px; border-radius: 8px; background: var(--bg-light); border: 1px solid var(--border); font-size: 13px; font-weight: 500; color: var(--secondary); }
.pt-tags span i { font-style: normal; color: var(--accent); margin-right: 6px; }
.mockup {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--border); background: #fff; transform: perspective(1200px) rotateY(-4deg) rotateX(1deg); transition: transform .5s;
}
.mockup:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.mockup-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: #F1F4F8; border-bottom: 1px solid var(--border); }
.mockup-bar .dots { display: flex; gap: 6px; }
.mockup-bar .dots i { width: 10px; height: 10px; border-radius: 50%; }
.mockup-bar .dots i:nth-child(1) { background: #FF5F57; } .mockup-bar .dots i:nth-child(2) { background: #FEBC2E; } .mockup-bar .dots i:nth-child(3) { background: #28C840; }
.mockup-bar .url { flex: 1; margin-left: 8px; background: #fff; border-radius: 6px; font-size: 11.5px; color: var(--text-3); padding: 4px 14px; border: 1px solid var(--border); }
.mockup-body { display: grid; grid-template-columns: 130px 1fr; min-height: 330px; }
.mock-side { background: var(--secondary); padding: 16px 0; }
.mock-side .logo-mini { color: #fff; font-weight: 700; font-size: 13px; padding: 4px 16px 16px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 10px; }
.mock-side .logo-mini i { font-style: normal; color: var(--primary); }
.mock-side a { display: flex; align-items: center; gap: 8px; padding: 9px 16px; font-size: 12px; color: rgba(255,255,255,.6); }
.mock-side a.on { color: #fff; background: rgba(255,255,255,.08); border-left: 3px solid var(--primary); }
.mock-main { padding: 18px; background: var(--bg-light); }
.mock-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.mock-kpi { background: #fff; border-radius: 8px; padding: 10px 12px; border: 1px solid var(--border); }
.mock-kpi span { font-size: 10.5px; color: var(--text-3); display: block; }
.mock-kpi b { font-family: var(--num-font); font-size: 19px; color: var(--secondary); }
.mock-kpi b em { font-style: normal; font-size: 11px; color: var(--accent); margin-left: 2px; }
.mock-charts { display: grid; grid-template-columns: 1.5fr 1fr; gap: 10px; }
.mock-chart { background: #fff; border-radius: 8px; border: 1px solid var(--border); padding: 12px; }
.mock-chart .t { font-size: 11.5px; font-weight: 600; color: var(--text-2); margin-bottom: 8px; }
.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 56px; }
.cap-card {
  border-radius: var(--radius); padding: 36px 32px; color: #fff;
  background: linear-gradient(150deg, var(--secondary) 0%, var(--secondary-3) 100%);
  position: relative; overflow: hidden; transition: transform .35s;
}
.cap-card:hover { transform: translateY(-6px); }
.cap-card::before { content: ''; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, rgba(255,107,0,.22), transparent 70%); }
.cap-card.green::before { background: radial-gradient(circle, rgba(0,200,150,.22), transparent 70%); }
.cap-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.cap-head .icon { width: 50px; height: 50px; border-radius: 13px; background: rgba(255,107,0,.16); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cap-card.green .cap-head .icon { background: rgba(0,200,150,.16); color: var(--accent); }
.cap-head .icon svg { width: 26px; height: 26px; }
.cap-head h4 { font-size: 20px; font-weight: 700; }
.cap-head small { display: block; font-size: 12px; color: rgba(255,255,255,.5); font-weight: 400; letter-spacing: 1px; }
.cap-card > p { font-size: 14px; color: rgba(255,255,255,.75); margin-bottom: 18px; }
.cap-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 18px; list-style: none; }
.cap-feats li { font-size: 13.5px; color: rgba(255,255,255,.88); padding: 7px 0 7px 26px; position: relative; }
.cap-feats li::before {
  content: ''; position: absolute; left: 0; top: 11px; width: 16px; height: 16px; border-radius: 5px;
  background: rgba(255,107,0,.2);
}
.cap-feats li::after { content: ''; position: absolute; left: 5px; top: 16px; width: 6px; height: 3.5px; border-left: 2px solid var(--primary); border-bottom: 2px solid var(--primary); transform: rotate(-45deg); }
.cap-card.green .cap-feats li::before { background: rgba(0,200,150,.2); }
.cap-card.green .cap-feats li::after { border-color: var(--accent); }

/* ============ 合作伙伴 ============ */
.partners { background: var(--bg-light); }
.partner-core { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 36px; }
.partner-hero {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px; text-align: center; transition: transform .35s, box-shadow .35s;
}
.partner-hero:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.partner-hero .p-logo { height: 60px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.partner-hero .p-logo .word { font-size: 30px; font-weight: 800; letter-spacing: 1px; }
.partner-hero.didi .word { color: #FF7E33; }
.partner-hero.amap .word { color: #0093F2; }
.partner-hero .p-tag { display: inline-block; font-size: 12px; color: var(--primary); background: var(--primary-l); padding: 4px 14px; border-radius: 100px; font-weight: 600; }
.partner-hero p { font-size: 13px; color: var(--text-3); margin-top: 10px; }
.partner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.partner-cell {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-s);
  padding: 22px 14px; display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: all .35s; cursor: default;
}
.partner-cell:hover { transform: translateY(-4px); border-color: rgba(255,107,0,.4); box-shadow: var(--shadow); }
.partner-cell .p-logo { height: 56px; display: flex; align-items: center; justify-content: center; width: 100%; }
.partner-cell .p-logo img { max-height: 56px; max-width: 88%; object-fit: contain; display: block; }
.partner-cell b { font-size: 15px; color: var(--secondary); font-weight: 700; }
.partner-cell span { font-size: 11.5px; color: var(--text-3); }
.partners-note { text-align: center; font-size: 13px; color: var(--text-3); margin-top: 24px; }

/* ============ 司机招募 ============ */
.driver {
  background: linear-gradient(180deg, var(--secondary) 0%, #0C2A4B 100%);
  color: #fff; overflow: hidden;
}
.driver .sec-head h2 { color: #fff; }
.driver .sec-head p { color: rgba(255,255,255,.7); }
.driver .sec-tag { background: rgba(255,107,0,.16); }
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 48px; }
.plan-card {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 18px;
  overflow: hidden; transition: transform .35s, border-color .35s; display: flex; flex-direction: column;
}
.plan-card:hover { transform: translateY(-6px); border-color: rgba(255,107,0,.5); }
.plan-card.hot { border-color: rgba(255,107,0,.55); background: rgba(255,107,0,.06); }
.plan-head { padding: 26px 30px 20px; display: flex; align-items: center; gap: 16px; border-bottom: 1px solid rgba(255,255,255,.09); }
.plan-head .icon { width: 54px; height: 54px; border-radius: 14px; background: rgba(255,107,0,.16); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.plan-card.green .plan-head .icon { background: rgba(0,200,150,.16); color: var(--accent); }
.plan-head .icon svg { width: 28px; height: 28px; }
.plan-head h4 { font-size: 20px; font-weight: 700; }
.plan-head small { display: block; font-size: 12.5px; color: rgba(255,255,255,.55); font-weight: 400; }
.plan-badge { margin-left: auto; font-size: 11.5px; padding: 4px 12px; border-radius: 100px; background: var(--primary); color: #fff; font-weight: 600; flex-shrink: 0; }
.plan-body { padding: 24px 30px 28px; flex: 1; }
.plan-price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.plan-price b { font-family: var(--num-font); font-size: 38px; font-weight: 700; color: var(--primary); line-height: 1; }
.plan-price span { font-size: 13.5px; color: rgba(255,255,255,.6); }
.plan-price .from { font-size: 13px; color: rgba(255,255,255,.5); }
.plan-car-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.plan-car-list span { font-size: 12.5px; padding: 5px 13px; border-radius: 6px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.85); }
.plan-rows { list-style: none; }
.plan-rows li { display: flex; justify-content: space-between; gap: 16px; font-size: 13.5px; padding: 9px 0; border-bottom: 1px dashed rgba(255,255,255,.1); }
.plan-rows li:last-child { border-bottom: none; }
.plan-rows .k { color: rgba(255,255,255,.55); flex-shrink: 0; }
.plan-rows .v { color: #fff; text-align: right; font-weight: 500; }
.plan-img { height: 280px; background: linear-gradient(140deg, rgba(0,0,0,0), rgba(0,0,0,.15)), url('../images/car-aion.jpg') center/cover no-repeat; display: flex; align-items: flex-end; justify-content: flex-start; position: relative; border-bottom: 1px solid rgba(255,255,255,.08); }
/* 物流车方案：独立背景图，后续替换 images/car-logistics.png 即可，不影响网约车 */
.plan-card.green .plan-img { background: linear-gradient(140deg, rgba(0,0,0,0), rgba(0,0,0,.15)), url('../images/car-logistics.jpg') center/cover no-repeat; }
.plan-img svg { display: none; }
.plan-img .ph { position: absolute; right: 12px; bottom: 8px; font-size: 10px; color: rgba(255,255,255,.55); letter-spacing: 1px; text-shadow: 0 1px 2px rgba(0,0,0,.6); }
.rights-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 56px; }
.right-item {
  display: flex; align-items: flex-start; gap: 14px; padding: 22px 20px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.09); border-radius: var(--radius);
}
.right-item .ic { width: 40px; height: 40px; border-radius: 10px; background: rgba(0,200,150,.14); color: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.right-item .ic svg { width: 21px; height: 21px; }
.right-item b { display: block; font-size: 14.5px; margin-bottom: 2px; }
.right-item span { font-size: 12.5px; color: rgba(255,255,255,.55); line-height: 1.55; display: block; }
.signup-wrap {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 0; border-radius: 20px; overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.35); max-width: 1060px; margin: 0 auto;
}
.signup-intro { background: linear-gradient(165deg, var(--primary), #E85D00); padding: 44px 38px; position: relative; overflow: hidden; }
.signup-intro::before { content: ''; position: absolute; right: -70px; bottom: -70px; width: 240px; height: 240px; border-radius: 50%; background: rgba(255,255,255,.12); }
.signup-intro > * { position: relative; z-index: 1; }
.signup-intro h3 { font-size: 24px; font-weight: 800; margin-bottom: 12px; }
.signup-intro p { font-size: 14px; color: rgba(255,255,255,.9); margin-bottom: 24px; }
.signup-intro ul { list-style: none; }
.signup-intro li { font-size: 13.5px; padding: 8px 0 8px 28px; position: relative; color: rgba(255,255,255,.92); }
.signup-intro li::before {
  content: ''; position: absolute; left: 0; top: 12px; width: 17px; height: 17px; border-radius: 50%;
  background: rgba(255,255,255,.22);
}
.signup-intro li::after { content: ''; position: absolute; left: 5.5px; top: 17.5px; width: 6px; height: 3.5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }
.signup-intro .hotline { margin-top: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.25); font-size: 13px; color: rgba(255,255,255,.85); }
.signup-intro .hotline b { display: block; font-family: var(--num-font); font-size: 26px; letter-spacing: 1px; }
.signup-form { background: #fff; padding: 44px 42px; color: var(--text); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-field { display: flex; flex-direction: column; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 600; color: var(--secondary); margin-bottom: 7px; }
.form-field label .req { color: var(--primary); margin-left: 3px; }
.form-field input[type="text"], .form-field input[type="tel"], .form-field select, .form-field textarea {
  font-family: inherit; font-size: 15px; padding: 13px 16px; border: 1.5px solid var(--border);
  border-radius: 10px; background: var(--surface); color: var(--text); transition: border-color .25s, box-shadow .25s;
  width: 100%; outline: none; appearance: none; -webkit-appearance: none;
}
.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234A5568' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; cursor: pointer;
}
.form-field textarea { resize: vertical; min-height: 84px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,107,0,.12); }
.form-field input.error, .form-field select.error { border-color: #E53E3E; }
.form-field .err-msg { display: none; font-size: 12px; color: #E53E3E; margin-top: 5px; }
.form-field.show-err .err-msg, .form-field .err-msg.show { display: block; }
.radio-group { display: flex; gap: 10px; }
.radio-pill {
  flex: 1; border: 1.5px solid var(--border); border-radius: 10px; padding: 12px 10px;
  text-align: center; font-size: 14px; color: var(--text-2); cursor: pointer; transition: all .25s;
  display: flex; align-items: center; justify-content: center; gap: 7px; user-select: none; background: var(--surface);
}
.radio-pill input { display: none; }
.radio-pill .r-dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border); transition: all .25s; flex-shrink: 0; position: relative; }
.radio-pill.active { border-color: var(--primary); background: var(--primary-l); color: var(--primary); font-weight: 600; }
.radio-pill.active .r-dot { border-color: var(--primary); }
.radio-pill.active .r-dot::after { content: ''; position: absolute; inset: 2.5px; border-radius: 50%; background: var(--primary); }
.form-submit { grid-column: 1 / -1; margin-top: 6px; }
.form-submit .btn { padding: 15px; font-size: 16px; }
.form-submit .btn[disabled] { opacity: .7; cursor: not-allowed; transform: none !important; }
.form-privacy { grid-column: 1 / -1; font-size: 12px; color: var(--text-3); text-align: center; margin-top: -6px; }
.spinner { width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ 联系我们 ============ */
.contact { background: var(--surface); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.ci-card {
  display: flex; gap: 16px; padding: 22px 24px; background: var(--bg-light);
  border: 1px solid var(--border); border-radius: var(--radius); transition: all .3s;
}
.ci-card:hover { background: #fff; box-shadow: var(--shadow); border-color: rgba(255,107,0,.3); }
.ci-card .ic { width: 48px; height: 48px; border-radius: 12px; background: #fff; color: var(--primary); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ci-card .ic svg { width: 24px; height: 24px; }
.ci-card b { display: block; font-size: 12px; color: var(--text-3); font-weight: 500; letter-spacing: 1px; margin-bottom: 3px; }
.ci-card p { font-size: 15px; font-weight: 600; color: var(--secondary); line-height: 1.5; }
.ci-card p a:hover { color: var(--primary); }
.ci-card small { font-size: 12.5px; color: var(--text-3); font-weight: 400; }
.qr-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.qr-item { flex: 1; background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; text-align: center; }
.qr-box {
  width: 96px; height: 96px; margin: 0 auto 10px; border-radius: 10px; background: #fff; border: 1px dashed #CBD5E0;
  display: flex; align-items: center; justify-content: center; color: #A0AEC0; font-size: 11px; flex-direction: column; gap: 4px;
}
.qr-box svg { width: 30px; height: 30px; opacity: .5; }
.qr-item span { font-size: 12.5px; color: var(--text-2); font-weight: 500; }
.contact-map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); min-height: 460px; position: relative; background: #EDF1F6; display: flex; flex-direction: column; }
.contact-map #contactMap { width: 100%; flex: 1; }

/* ============ 页脚 ============ */
.footer { background: var(--secondary); color: rgba(255,255,255,.72); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 52px; }
.footer .logo { color: #fff; margin-bottom: 16px; }
.footer-about p { font-size: 13.5px; line-height: 1.8; margin-bottom: 20px; }
.socials { display: flex; gap: 12px; }
.socials a {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center; transition: all .3s; color: rgba(255,255,255,.75);
}
.socials a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
.socials svg { width: 18px; height: 18px; }
.footer h5 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 13.5px; color: rgba(255,255,255,.62); transition: color .25s, padding-left .25s; }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.5px; margin-bottom: 12px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; color: var(--primary); flex-shrink: 0; margin-top: 3px; }
.footer-qr { display: flex; gap: 14px; margin-top: 18px; }
.footer-qr .fqr { text-align: center; }
.footer-qr .qr-box { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18); color: rgba(255,255,255,.4); width: 78px; height: 78px; }
.footer-qr span { display: block; font-size: 11.5px; color: rgba(255,255,255,.5); text-align: center; margin-top: 6px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; text-align: center;
  font-size: 12.5px; color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.45); transition: color .25s; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .sep { margin: 0 12px; opacity: .4; }

/* ============ 悬浮组件 ============ */
.back-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%; border: none; background: var(--primary); color: #fff;
  box-shadow: 0 8px 24px rgba(255,107,0,.4); display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(16px); transition: all .35s; cursor: pointer;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--primary-d); }
.back-top svg { width: 20px; height: 20px; }
.float-call {
  position: fixed; left: 28px; bottom: 28px; z-index: 900; display: none;
  align-items: center; gap: 8px; padding: 12px 22px; border-radius: 100px;
  background: var(--secondary); color: #fff; font-size: 14px; font-weight: 600;
  box-shadow: 0 8px 24px rgba(10,37,64,.4);
}
.float-call svg { width: 17px; height: 17px; color: var(--accent); }
.float-call:hover { background: var(--secondary-3); }
.toast {
  position: fixed; top: 90px; left: 50%; transform: translate(-50%, -16px); z-index: 2000;
  display: flex; align-items: center; gap: 10px; padding: 14px 26px; border-radius: 12px;
  background: #fff; box-shadow: 0 16px 48px rgba(10,37,64,.22); font-size: 14.5px; font-weight: 500;
  opacity: 0; visibility: hidden; transition: all .35s; max-width: calc(100vw - 40px);
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast .t-ic { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.toast.success .t-ic { background: rgba(0,200,150,.15); color: var(--accent); }
.toast.error .t-ic { background: rgba(229,62,62,.12); color: #E53E3E; }
.toast.warn .t-ic { background: var(--primary-l); color: var(--primary); }
.toast svg { width: 14px; height: 14px; }

/* ============ 滚动动效 ============ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.reveal-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }

/* ============ 响应式 ============ */
@media (max-width: 1280px) {
  .nav-links a { padding: 8px 10px; font-size: 14px; }
}
@media (max-width: 1024px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .sec-pad { padding: 72px 0; }
  .about-intro, .platform-overview, .signup-wrap, .contact-grid { grid-template-columns: 1fr; }
  .mvv, .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: 1fr; }
  .rights-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .timeline { flex-wrap: wrap; gap: 18px 0; }
  .timeline::before { display: none; }
  .tl-item { flex: 0 0 50%; }
  .mockup { transform: none; }
  .about-visual .map-wrap { height: 360px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  .sec-head h2 { font-size: 26px; }
  .hero-cta .btn { width: min(320px, 84vw); }
  .hero-trust-item { padding: 0 18px; }
  .hero-trust-item b { font-size: 20px; }
  .plan-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .radio-group { flex-direction: column; }
  .signup-intro, .signup-form { padding: 32px 24px; }
  .stats-grid { gap: 14px; }
  .stat-card { padding: 24px 12px; }
  .stat-card .num { font-size: 38px; }
  .biz-grid { grid-template-columns: 1fr; }
  .mvv { grid-template-columns: 1fr; }
  .partner-core { grid-template-columns: 1fr; }
  .loop-chain { flex-direction: column; gap: 4px; }
  .loop-arrow { justify-content: center; transform: rotate(90deg); padding: 2px 0; }
  .loop-arrow svg { width: 20px; height: 20px; }
  .loop-base { flex-direction: column; text-align: center; }
  .loop-base .tag { margin-left: 0; }
  .rights-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom .sep { display: block; margin: 4px 0; }
  .contact-map { min-height: 320px; }
  .float-call { display: flex; }
  .back-top { bottom: 88px; right: 20px; width: 44px; height: 44px; }
  .float-call { left: 20px; bottom: 24px; padding: 11px 18px; }
  .about-visual .map-wrap { height: 300px; }
  .tl-item { flex: 0 0 100%; }
  .mock-kpis { grid-template-columns: repeat(2, 1fr); }
  .mock-charts { grid-template-columns: 1fr; }
  .mockup-body { grid-template-columns: 100px 1fr; }
  .cap-feats { grid-template-columns: 1fr; }
  .plan-img { height: 130px; }
}
@media (max-width: 480px) {
  .hero h1 { letter-spacing: 0; }
  .hero-trust { gap: 14px 0; }
  .hero-trust-item { flex: 0 0 50%; padding: 8px 0; }
  .hero-trust-item + .hero-trust-item::before { display: none; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .qr-row { grid-template-columns: repeat(2, 1fr); }
}

/* 动效降级：尊重系统偏好 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-road svg { animation: none; }
}