/* ============================================================
   首页专属样式
   ============================================================ */

/* ---------- 首屏轮播 ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero-slider {
  position: absolute; inset: 0;
}
.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; visibility: hidden;
  transition: opacity .9s var(--ease-out), visibility .9s;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }

.hero-bg {
  position: absolute; inset: 0;
  transform: scale(1.08);
  transition: transform 7s linear;
}
.hero-slide.is-active .hero-bg { transform: scale(1); }

.hero-bg-mine {
  background:
    radial-gradient(900px 500px at 80% 20%, rgba(245, 158, 11, .25), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(37, 99, 235, .5), transparent 65%),
    linear-gradient(150deg, #0b2545 0%, #123a6b 50%, #174e96 100%);
}
.hero-bg-logistics {
  background:
    radial-gradient(900px 500px at 20% 20%, rgba(6, 182, 212, .3), transparent 60%),
    radial-gradient(700px 500px at 90% 80%, rgba(37, 99, 235, .5), transparent 65%),
    linear-gradient(150deg, #0b2545 0%, #0e3a5f 55%, #0c6291 100%);
}
.hero-bg-sanitation {
  background:
    radial-gradient(900px 500px at 80% 20%, rgba(16, 185, 129, .3), transparent 60%),
    radial-gradient(700px 500px at 10% 85%, rgba(37, 99, 235, .45), transparent 65%),
    linear-gradient(150deg, #0b2545 0%, #0d3d4e 55%, #0f6b5f 100%);
}
.hero-bg-official {
  background:
    radial-gradient(900px 500px at 75% 25%, rgba(59, 130, 246, .35), transparent 60%),
    radial-gradient(700px 500px at 15% 80%, rgba(124, 58, 237, .28), transparent 65%),
    linear-gradient(150deg, #0b2545 0%, #14305e 55%, #1d4ea8 100%);
}

/* 网格纹理 */
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  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: 52px 52px;
  mask-image: radial-gradient(1100px 600px at 60% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(1100px 600px at 60% 40%, #000 20%, transparent 78%);
}
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.14) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
  opacity: .5;
  mask-image: radial-gradient(700px 400px at 80% 60%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(700px 400px at 80% 60%, #000 10%, transparent 70%);
}

.hero-mask {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,37,69,.55) 0%, rgba(11,37,69,.15) 55%, transparent 100%);
}

.hero-content {
  position: relative; z-index: 2;
  max-width: var(--container);
  padding-top: calc(var(--nav-height) + var(--space-8));
  padding-bottom: 200px;
}

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px);
  font-size: .875rem; font-weight: 600; letter-spacing: .1em;
  margin-bottom: var(--space-5);
}
.hero-tag::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-500); box-shadow: 0 0 10px var(--accent-500);
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 800; line-height: 1.22;
  text-shadow: 0 4px 30px rgba(11,37,69,.4);
}
.hero-desc {
  margin-top: var(--space-5);
  max-width: 560px; font-size: 1.08rem;
  color: rgba(255,255,255,.85);
}
.hero-actions {
  margin-top: var(--space-6);
  display: flex; flex-wrap: wrap; gap: var(--space-4);
}

/* 轮播控制 */
.hero-dots {
  position: absolute; left: 50%; bottom: 176px;
  transform: translateX(-50%);
  display: flex; gap: 12px; z-index: 5;
}
.hero-dots button {
  width: 34px; height: 5px; border-radius: 99px;
  background: rgba(255,255,255,.3);
  transition: background .3s, transform .3s;
}
.hero-dots button.active { background: #fff; transform: scaleX(1.15); }

.hero-arrow {
  position: absolute; top: 44%;
  z-index: 5;
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.35);
  color: #fff; backdrop-filter: blur(6px);
  transition: background .3s, transform .3s;
}
.hero-arrow:hover { background: rgba(255,255,255,.25); transform: scale(1.06); }
.hero-arrow.prev { left: 4%; }
.hero-arrow.next { right: 4%; }

/* 数据概览条 */
.stats-bar {
  position: absolute; left: 0; right: 0; bottom: 0;
  z-index: 4;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--ink-100);
  box-shadow: 0 -12px 40px rgba(11,37,69,.12);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: var(--space-5) 0;
}
.stat-item { text-align: center; position: relative; }
.stat-item:not(:last-child)::after {
  content: ""; position: absolute; right: 0; top: 15%; height: 70%;
  width: 1px; background: var(--ink-200);
}
.stat-num {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800; color: var(--brand-600);
  display: flex; align-items: baseline; justify-content: center; gap: 2px;
}
.stat-num em { font-style: normal; font-size: .55em; color: var(--ink-400); font-weight: 600; }
.stat-item p { color: var(--ink-500); font-size: .9rem; margin-top: 2px; }

/* ---------- 公司简介 ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(var(--space-6), 5vw, var(--space-8));
  align-items: center;
}

.intro-text .kicker {
  color: var(--brand-500); font-weight: 700;
  letter-spacing: .22em; font-size: .85rem;
  margin-bottom: var(--space-3);
  display: flex; align-items: center; gap: 10px;
}
.intro-text .kicker::before {
  content: ""; width: 32px; height: 2.5px; border-radius: 2px;
  background: linear-gradient(90deg, var(--brand-500), var(--accent-500));
}
.intro-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  color: var(--ink-900); font-weight: 800; line-height: 1.35;
}
.intro-text > p { margin-top: var(--space-5); color: var(--ink-500); }

.intro-points { margin-top: var(--space-5); display: grid; gap: var(--space-4); }
.intro-points li { display: flex; gap: 14px; }
.pt-check {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: var(--brand-50); color: var(--brand-600);
  border: 1.5px solid var(--brand-100);
  display: grid; place-items: center; margin-top: 3px;
}
.intro-points strong { display: block; color: var(--ink-900); font-size: 1rem; }
.intro-points span { color: var(--ink-500); font-size: .92rem; }
.intro-text .btn { margin-top: var(--space-6); }

/* 平台仪表盘插画 */
.intro-visual { position: relative; }
.dash-frame {
  background: #fff;
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.dash-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 18px;
  background: var(--ink-50);
  border-bottom: 1px solid var(--ink-100);
}
.dash-head .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #f87171; } .dot.yellow { background: #fbbf24; } .dot.green { background: #34d399; }
.dash-title { margin-left: 10px; font-size: .82rem; color: var(--ink-500); }

.dash-body { padding: 18px; display: grid; gap: 14px; }
.dash-map {
  background:
    radial-gradient(400px 200px at 70% 20%, rgba(37,99,235,.08), transparent 60%),
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: auto, 22px 22px, 22px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-100);
  padding: 10px;
}
.dash-route {
  stroke-dasharray: 6 6;
  animation: route-flow 2.4s linear infinite;
}
@keyframes route-flow { to { stroke-dashoffset: -48; } }
.pulse-ring { animation: pulse 2s ease-out infinite; }
@keyframes pulse {
  0%   { transform-origin: center; transform: scale(1); opacity: .7; }
  100% { transform-origin: center; transform: scale(3.2); opacity: 0; }
}
.dash-truck { animation: truck-move 6s ease-in-out infinite alternate; }
@keyframes truck-move { to { transform: translate(52px, -34px); } }

.dash-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mini-card {
  background: var(--ink-50);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-sm);
  padding: 12px 10px;
  display: grid; gap: 4px; text-align: center;
}
.mini-label { font-size: .72rem; color: var(--ink-500); }
.mini-val { font-size: 1.02rem; font-weight: 800; color: var(--ink-900); }
.mini-val small { font-size: .68rem; font-weight: 600; }

.intro-badge {
  position: absolute; left: -26px; bottom: -24px;
  display: flex; align-items: center; gap: 14px;
  background: #fff; padding: 16px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--ink-100);
  color: var(--brand-500);
}
.intro-badge strong { display: block; color: var(--ink-900); font-size: .95rem; }
.intro-badge span { font-size: .8rem; color: var(--ink-500); }

/* ---------- 核心功能卡片 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.feature-card {
  padding: var(--space-6) var(--space-5);
  display: grid; gap: 14px;
  align-content: start;
}
.feature-card h3 { color: var(--ink-900); font-size: 1.15rem; font-weight: 700; }
.feature-card p { color: var(--ink-500); font-size: .95rem; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.tag-row li {
  font-size: .78rem; font-weight: 600;
  color: var(--brand-600);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  padding: 3px 12px; border-radius: 999px;
}

/* ---------- 应用场景 ---------- */
.scenario-tabs {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: var(--space-3); margin-bottom: var(--space-7);
}
.scenario-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px;
  font-size: .95rem; font-weight: 600; color: var(--ink-700);
  background: #fff; border: 1.5px solid var(--ink-200);
  transition: all .3s var(--ease-out);
}
.scenario-tab:hover { border-color: var(--brand-300); color: var(--brand-600); }
.scenario-tab.is-active {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  border-color: transparent; color: #fff;
  box-shadow: var(--shadow-brand);
}

.scenario-panels { position: relative; }
.scenario-panel {
  display: none;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(var(--space-6), 4vw, var(--space-8));
  align-items: center;
  background: #fff;
  border: 1px solid var(--ink-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(var(--space-5), 4vw, var(--space-7));
  animation: fade-up .6s var(--ease-out);
}
.scenario-panel.is-active { display: grid; }

.scenario-copy h3 {
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  color: var(--ink-900); font-weight: 800; margin-bottom: var(--space-4);
}
.scenario-copy > p { color: var(--ink-500); }
.scenario-copy strong { color: var(--brand-600); }

.scenario-list { margin-top: var(--space-5); display: grid; gap: var(--space-4); }
.scenario-list li { display: grid; gap: 3px; font-size: .95rem; }
.scenario-list b { color: var(--ink-900); }
.scenario-list li { color: var(--ink-500); }
.scenario-list b { color: var(--ink-900); }

/* 场景可视化小卡 */
.scenario-visual { display: grid; place-items: center; min-height: 280px; border-radius: var(--radius-md); }
.sv-logistics   { background: linear-gradient(150deg, var(--brand-50), #e0f2fe); }
.sv-official    { background: linear-gradient(150deg, var(--brand-50), #ede9fe); }
.sv-sanitation  { background: linear-gradient(150deg, #ecfdf5, var(--brand-50)); }
.sv-mine        { background: linear-gradient(150deg, #fffbeb, var(--brand-50)); }
.sv-dump        { background: linear-gradient(150deg, #fef2f2, var(--brand-50)); }
.sv-shuttle     { background: linear-gradient(150deg, var(--brand-50), #cffafe); }

.sv-card {
  width: min(360px, 100%);
  background: #fff; border-radius: var(--radius-md);
  border: 1px solid var(--ink-100);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
}
.sv-title { font-size: .85rem; color: var(--ink-500); font-weight: 600; margin-bottom: var(--space-4); }

.sv-bars { display: grid; gap: var(--space-4); }
.sv-bar { display: grid; grid-template-columns: 44px 1fr 46px; align-items: center; gap: 12px; font-size: .85rem; }
.sv-bar span { color: var(--ink-700); font-weight: 600; }
.sv-bar em { font-style: normal; color: var(--success); font-weight: 700; text-align: right; }
.sv-bar .track { height: 10px; background: var(--ink-100); border-radius: 99px; overflow: hidden; }
.sv-bar .track i {
  display: block; height: 100%; border-radius: 99px;
  width: 0;
  background: linear-gradient(90deg, var(--brand-500), var(--accent-500));
  transition: width 1.2s var(--ease-out) .3s;
}
.scenario-panel.is-active .sv-bar .track i { width: var(--w); }

.sv-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.sv-step {
  padding: 7px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600;
  background: var(--ink-100); color: var(--ink-500);
}
.sv-step.done { background: var(--brand-100); color: var(--brand-700); }
.sv-step.doing {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  color: #fff; box-shadow: var(--shadow-brand);
  animation: step-blink 1.6s ease-in-out infinite;
}
@keyframes step-blink { 50% { box-shadow: 0 0 0 6px rgba(37,99,235,.15); } }
.sv-flow i { color: var(--ink-400); font-style: normal; }

.sv-ring { position: relative; width: 180px; margin-inline: auto; }
.sv-ring svg { width: 100%; }
.sv-ring circle:last-of-type {
  stroke-dashoffset: 314;
  transition: stroke-dashoffset 1.4s var(--ease-out) .3s;
}
.scenario-panel.is-active .sv-ring circle:last-of-type { stroke-dashoffset: 47; }
.sv-ring-val {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
}
.sv-ring-val strong { font-size: 1.9rem; color: #059669; font-weight: 800; }
.sv-ring-val span { font-size: .78rem; color: var(--ink-500); }

.sv-num { text-align: center; }
.sv-num strong { font-size: 2.6rem; font-weight: 800; color: var(--brand-600); }
.sv-num span { color: var(--ink-400); font-weight: 600; margin-left: 4px; }
.sv-mini-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: var(--space-4);
}
.sv-mini-stats div {
  background: var(--ink-50); border: 1px solid var(--ink-100);
  border-radius: var(--radius-sm); padding: 12px; text-align: center;
}
.sv-mini-stats em { font-style: normal; display: block; font-size: .76rem; color: var(--ink-500); }
.sv-mini-stats b { font-size: 1.15rem; color: var(--ink-900); }

.sv-list { display: grid; gap: 10px; }
.sv-li {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--ink-50); border: 1px solid var(--ink-100);
  font-size: .88rem; color: var(--ink-700);
}
.sv-li b { margin-left: auto; }
.sv-li i {
  font-style: normal; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font-size: .7rem; color: #fff;
}
.sv-li.ok i { background: var(--success); }
.sv-li.warn i { background: var(--warning); }
.sv-li.warn b { color: var(--warning); }

.sv-stops { display: flex; align-items: center; gap: 6px; margin-top: var(--space-3); }
.sv-stops .stop {
  font-size: .74rem; padding: 5px 10px; border-radius: 999px;
  background: var(--ink-100); color: var(--ink-500); white-space: nowrap;
}
.sv-stops .stop.done { background: var(--brand-100); color: var(--brand-700); }
.sv-stops .stop.doing {
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  color: #fff;
}
.sv-stops i { flex: 1; min-width: 10px; height: 2px; background: var(--ink-200); border-radius: 2px; }
.sv-eta { margin-top: var(--space-4); font-size: .82rem; color: var(--brand-600); font-weight: 600; text-align: center; }

/* ---------- 客户信赖 ---------- */
.trust-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.trust-logo {
  height: 86px;
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--ink-200);
  border-radius: var(--radius-md);
  font-size: 1.02rem; font-weight: 700; color: var(--ink-400);
  letter-spacing: .06em;
  transition: all .35s var(--ease-out);
}
.trust-logo:hover {
  color: var(--brand-600); border-color: var(--brand-300);
  transform: translateY(-4px); box-shadow: var(--shadow-md);
}
.trust-cta { text-align: center; margin-top: var(--space-7); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background:
    radial-gradient(800px 300px at 90% 10%, rgba(6,182,212,.25), transparent 60%),
    linear-gradient(120deg, var(--brand-800), var(--brand-600));
  color: #fff;
  padding: var(--space-8) 0;
}
.cta-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: var(--space-5);
}
.cta-inner h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 800; }
.cta-inner p { color: rgba(255,255,255,.8); margin-top: 8px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* ============================================================
   响应式（首页）
   ============================================================ */
@media (max-width: 1080px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-logos { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .hero { min-height: 92vh; }
  .hero-content { padding-bottom: 230px; }
  .hero-arrow { display: none; }
  .hero-dots { bottom: 200px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4) 0; }
  .stat-item:nth-child(2)::after { display: none; }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-badge { position: static; margin-top: var(--space-4); width: fit-content; left: auto; bottom: auto; }
  .scenario-panel { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .trust-logos { grid-template-columns: repeat(2, 1fr); }
  .hero-desc { font-size: .98rem; }
  .dash-cards { grid-template-columns: repeat(2, 1fr); }
  .scenario-tabs { gap: 10px; }
  .scenario-tab { padding: 10px 18px; font-size: .88rem; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
}