/* ============================================================
 * 暖心岛互助平台 - 官网样式（重构版：现代公益慈善风）
 * ============================================================ */

/* === 主题变量 === */
:root {
    --primary:        #e31a1e;
    --primary-deep:   #b80f13;
    --primary-light:  #f56b6f;
    --primary-pale:   #fde7e8;
    --accent:         #ffb84d;
  --text:           #1f2937;
  --text-soft:      #4b5563;
  --text-muted:     #9ca3af;
  --bg:             #ffffff;
  --bg-soft:        #fafafa;
  --bg-warm:        #fff8f1;
  --border:         #ececec;
  --shadow-sm:      0 4px 16px rgba(31, 41, 55, .06);
  --shadow-md:      0 12px 40px rgba(31, 41, 55, .08);
  --shadow-lg:      0 20px 60px rgba(227, 26, 30, .15);
  --radius-sm:      12px;
  --radius:         16px;
  --radius-lg:      24px;
  --container:      1200px;
  --header-h:       72px;
}

/* === 重置 === */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px; line-height: 1.6; color: var(--text);
  background: var(--bg); -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
input, textarea, select { font: inherit; outline: none; }

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

/* === 通用按钮 === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 999px;
  font-size: 15px; font-weight: 500;
  transition: all .25s ease; cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff; box-shadow: 0 8px 24px rgba(227, 26, 30, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(227, 26, 30, .45); }
.btn-outline {
  background: #fff; color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-ghost {
  background: rgba(255, 255, 255, .15); color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .5);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .25); border-color: #fff; }
.btn-block { width: 100%; }

/* === 顶部导航 === */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(0, 0, 0, .04);
}
/* 二级页面（非首页）：默认即带主题色背景，避免白页上透明导航看不见 */
.site-header.is-inner {
  background: var(--primary);
  box-shadow: 0 2px 16px rgba(0, 0, 0, .08);
}
.site-header.is-inner.scrolled {
  background: rgba(255, 255, 255, .96);
}
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.site-logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.site-header.scrolled .site-logo { color: var(--text); }
.logo-img {
  height: 42px; width: auto; display: block;
  filter: brightness(0) invert(1) drop-shadow(0 2px 6px rgba(0, 0, 0, .25));
  transition: filter .3s;
}
.site-header.scrolled .logo-img {
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .08));
}

.site-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative; padding: 10px 18px;
  color: rgba(255, 255, 255, .9); font-size: 15px; font-weight: 500;
  border-radius: 8px; transition: color .2s;
}
.site-header.scrolled .nav-link { color: var(--text-soft); }
/* 默认（透明 header / 叠在红色 banner 上）：active、hover 用白色 */
.nav-link:hover, .nav-link.active { color: #fff; }
/* 滚动后（白色 header）：active、hover 才用主题红 */
.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: ''; position: absolute; left: 50%; bottom: 4px;
  width: 20px; height: 3px; border-radius: 2px;
  background: #fff; transform: translateX(-50%);
  transition: background .2s;
}
.site-header.scrolled .nav-link.active::after { background: var(--primary); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: background .2s; }
.site-header.scrolled .nav-toggle span { background: var(--text); }

/* === Hero === */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden; color: #fff;
  padding-top: var(--header-h);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  background: linear-gradient(135deg, #2d0a0c 0%, #5a0e10 60%, #8b1518 100%);
}
@keyframes bgFloat {
  from { transform: scale(1) translate(0, 0); }
  to   { transform: scale(1.1) translate(-2%, -1%); }
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(135deg, rgba(45, 10, 12, .55) 0%, rgba(90, 14, 16, .35) 100%),
    radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, .4) 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 60px 24px 100px; width: 100%; }
.hero-tag {
  display: inline-block; padding: 8px 18px;
  border-radius: 999px; background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  font-size: 13px; letter-spacing: 2px;
  backdrop-filter: blur(6px); margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(36px, 6vw, 64px); font-weight: 700;
  line-height: 1.2; margin-bottom: 20px; letter-spacing: 1px;
}
.hero-title-accent {
  background: linear-gradient(120deg, var(--accent), #ffe4b3);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px; line-height: 1.8; max-width: 600px;
  color: rgba(255, 255, 255, .85); margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; left: 50%; bottom: 40px;
  width: 28px; height: 44px; border: 2px solid rgba(255, 255, 255, .5);
  border-radius: 14px; transform: translateX(-50%);
}
.hero-scroll span {
  display: block; width: 4px; height: 8px; background: #fff;
  margin: 6px auto 0; border-radius: 2px;
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(16px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* === 通用区块 === */
.section { padding: 100px 0; }
.section:nth-child(even) { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block; font-size: 12px; letter-spacing: 4px;
  color: var(--primary); font-weight: 600; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 3.5vw, 40px); font-weight: 700;
  margin-bottom: 14px; color: var(--text);
}
.section-sub { color: var(--text-muted); font-size: 16px; }

/* === 数字统计 === */
.section-stats {
  padding: 90px 0;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(227, 26, 30, .04) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(255, 184, 77, .06) 0%, transparent 50%),
    var(--bg-warm) !important;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  position: relative; overflow: hidden;
  background: #fff; padding: 44px 32px 36px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(31, 41, 55, .06);
  transition: transform .35s, box-shadow .35s;
}
.stat-card::before {
  content: ''; position: absolute; left: 0; top: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-deep));
  transform: scaleX(.4); transform-origin: left; transition: transform .4s;
}
.stat-card:hover::before { transform: scaleX(1); }
.stat-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(227, 26, 30, .14); }
.stat-deco {
  position: absolute; right: 18px; top: 14px;
  font-size: 56px; font-weight: 800; line-height: 1;
  color: var(--bg-soft); letter-spacing: -2px; user-select: none;
}
.stat-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-pale), #fff);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; box-shadow: inset 0 0 0 1px rgba(227, 26, 30, .15);
  color: var(--primary);
  transition: transform .3s, box-shadow .3s;
}
.stat-icon svg {
  width: 24px; height: 24px; display: block;
}
.stat-card:hover .stat-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: inset 0 0 0 1px rgba(227, 26, 30, .25), 0 8px 18px rgba(227, 26, 30, .15);
}
.stat-num {
  font-size: clamp(34px, 4vw, 50px); font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1.1; margin-bottom: 10px; letter-spacing: -1px;
}
.stat-label {
  color: var(--text-soft); font-size: 14px; letter-spacing: 1px;
  position: relative; padding-left: 20px;
}
.stat-label::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 12px; height: 1px; background: var(--primary); transform: translateY(-50%);
}

/* === 品牌故事 === */
.story-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 80px; align-items: center; }
.story-image { position: relative; aspect-ratio: 4/5; }
.story-quote {
  position: absolute; inset: 0; z-index: 2;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff; padding: 60px 48px;
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: 0 25px 60px rgba(227, 26, 30, .25);
  overflow: hidden;
}
.story-quote::before {
  content: ''; position: absolute; right: -60px; bottom: -60px;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .25), transparent 70%);
}
.quote-mark {
  font-size: 120px; font-weight: 700; line-height: .5;
  color: rgba(255, 255, 255, .25); margin-bottom: 16px;
}
.quote-text { font-size: 30px; font-weight: 700; line-height: 1.45; margin-bottom: 24px; letter-spacing: 2px; }
.quote-author { font-size: 14px; opacity: .85; letter-spacing: 3px; }
.story-deco-1 {
  position: absolute; right: -28px; top: -28px;
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  z-index: 1; opacity: .85;
}
.story-deco-2 {
  position: absolute; left: -24px; bottom: -24px;
  width: 80px; height: 80px; border-radius: 18px;
  background: var(--primary-pale); z-index: 0;
}
.story-deco-3 {
  position: absolute; right: 60px; bottom: -16px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--primary); z-index: 3;
  box-shadow: 0 0 0 6px rgba(227, 26, 30, .15);
}
.story-text > p { font-size: 16px; line-height: 1.95; color: var(--text-soft); margin-bottom: 40px; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pillar {
  position: relative; overflow: hidden; padding: 24px 18px 22px;
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--border); transition: all .3s;
}
.pillar::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--primary);
  transform: scaleY(0); transform-origin: top; transition: transform .3s;
}
.pillar:hover::before { transform: scaleY(1); }
.pillar:hover { transform: translateY(-4px); border-color: transparent; box-shadow: var(--shadow-md); }
.pillar-no {
  font-size: 13px; font-weight: 700; color: var(--primary);
  margin-bottom: 12px; letter-spacing: 2px;
  display: flex; align-items: center; gap: 8px;
}
.pillar-no::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent);
}
.pillar h4 { font-size: 16px; margin-bottom: 8px; color: var(--text); }
.pillar p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* === 互助地图 === */
.map-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 32px; flex-wrap: wrap; gap: 16px;
}
.map-tabs {
  display: flex; gap: 4px; padding: 4px;
  background: #fff; border-radius: 999px; box-shadow: var(--shadow-sm);
}
.map-tab {
  padding: 10px 24px; border-radius: 999px;
  background: transparent; border: 0;
  font-size: 14px; color: var(--text-soft);
  transition: all .25s; cursor: pointer;
}
.map-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff; box-shadow: 0 4px 14px rgba(227, 26, 30, .35);
}
.map-status {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; position: relative;
}
.live-dot::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: #22c55e; animation: livePulse 1.6s ease-out infinite;
}
@keyframes livePulse {
  0% { transform: scale(1); opacity: .6; }
  100% { transform: scale(2.4); opacity: 0; }
}
.map-wrap {
  position: relative; background: linear-gradient(180deg, #ffffff 0%, #fdf6f6 100%);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 24px; overflow: hidden;
  border: 1px solid rgba(227, 26, 30, 0.08);
}
.map-wrap::before {
  content: ''; position: absolute; right: -100px; top: -100px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(227, 26, 30, .12), transparent 70%);
  pointer-events: none; z-index: 0;
}
.map-wrap::after {
  content: ''; position: absolute; left: -120px; bottom: -120px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 180, 100, .10), transparent 70%);
  pointer-events: none; z-index: 0;
}
.map-canvas { width: 100%; height: 640px; position: relative; z-index: 2; }

/* 科技感网格背景 */
.map-grid-bg {
  position: absolute; inset: 24px; pointer-events: none; z-index: 1;
  background-image:
    linear-gradient(rgba(227,26,30,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(227,26,30,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 50%, #000 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 60%, transparent 100%);
}
/* 四角装饰线（科技感） */
.map-tech-corner {
  position: absolute; width: 32px; height: 32px; pointer-events: none; z-index: 3;
  border: 2px solid var(--primary);
}
.map-tech-corner-tl { top: 16px; left: 16px;     border-right: 0; border-bottom: 0; border-radius: 4px 0 0 0; }
.map-tech-corner-tr { top: 16px; right: 16px;    border-left: 0;  border-bottom: 0; border-radius: 0 4px 0 0; }
.map-tech-corner-bl { bottom: 16px; left: 16px;  border-right: 0; border-top: 0;    border-radius: 0 0 0 4px; }
.map-tech-corner-br { bottom: 16px; right: 16px; border-left: 0;  border-top: 0;    border-radius: 0 0 4px 0; }

/* 省份城市排行浮层 */
.province-panel {
  position: absolute; top: 32px; right: 32px; width: 320px; max-height: 560px;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(8px);
  border-radius: 14px; box-shadow: 0 12px 40px rgba(20,24,40,0.18);
  border: 1px solid rgba(227,26,30,0.12);
  z-index: 10; overflow: hidden;
  transform: translateY(8px); opacity: 0; transition: all .25s ease;
  display: flex; flex-direction: column;
}
.province-panel[hidden] { display: none !important; }
.province-panel.show { transform: translateY(0); opacity: 1; }
.province-panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid #f3e8e9;
  background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}
.province-panel-title { display: flex; align-items: center; gap: 10px; }
.province-panel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary); box-shadow: 0 0 0 3px rgba(227,26,30,0.18);
  animation: livePulse 1.6s ease-out infinite;
}
.province-panel-title span:not(.province-panel-dot) {
  font-weight: 700; font-size: 16px; color: var(--text-main);
}
.province-panel-title em {
  font-style: normal; font-size: 12px; color: var(--text-muted);
  padding: 2px 8px; background: var(--primary-pale); color: var(--primary);
  border-radius: 999px; font-weight: 600;
}
.province-panel-close {
  width: 28px; height: 28px; border-radius: 50%; border: 0;
  background: #f5f5f7; color: #666; font-size: 18px; line-height: 1;
  cursor: pointer; transition: all .2s;
}
.province-panel-close:hover { background: var(--primary); color: #fff; }
.province-panel-list { padding: 8px 0; overflow-y: auto; flex: 1; }
.province-panel-row {
  display: grid; grid-template-columns: 36px 1fr auto auto; gap: 10px;
  align-items: center; padding: 10px 20px; transition: background .2s;
}
.province-panel-row:hover { background: var(--primary-pale); }
.province-panel-rank {
  width: 24px; height: 24px; border-radius: 6px; text-align: center; line-height: 24px;
  font-size: 12px; font-weight: 700; color: #999; background: #f3f3f5;
}
.province-panel-rank.top3 {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff; box-shadow: 0 2px 6px rgba(227,26,30,0.3);
}
.province-panel-city { font-size: 14px; color: var(--text-main); font-weight: 600; }
.province-panel-num { font-size: 12px; color: var(--text-muted); }
.province-panel-heat {
  font-size: 12px; color: var(--primary); font-weight: 700;
  padding: 2px 8px; background: var(--primary-pale); border-radius: 6px;
}
.province-panel-empty {
  padding: 40px 20px; text-align: center; color: var(--text-muted); font-size: 13px;
}

/* 驿站详情卡片 */
.station-card {
  margin: 8px 16px; padding: 12px 14px;
  background: linear-gradient(135deg, #fff 0%, #fff5f5 100%);
  border: 1px solid rgba(227,26,30,0.08);
  border-radius: 10px;
  transition: all .2s;
}
.station-card:hover {
  border-color: rgba(227,26,30,0.25);
  box-shadow: 0 4px 14px rgba(227,26,30,0.10);
  transform: translateY(-1px);
}
.station-card-name {
  display: flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; color: var(--text-main); margin-bottom: 8px;
}
.station-pin {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary); box-shadow: 0 0 0 3px rgba(227,26,30,0.18);
  flex-shrink: 0;
}
.station-card-row {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 12px; line-height: 1.6; margin-top: 4px;
}
.station-card-label {
  flex-shrink: 0; width: 40px; color: var(--text-muted);
}
.station-card-val { flex: 1; color: var(--text-soft); word-break: break-all; }
.station-card-tel { color: var(--primary); font-weight: 600; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* === 城市排行：Top3 领奖台 === */
.podium {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-bottom: 28px;
}
.podium-card {
  position: relative; overflow: hidden;
  padding: 32px 28px 28px;
  background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .35s, box-shadow .35s;
}
.podium-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.podium-shine {
  position: absolute; right: -50px; top: -50px;
  width: 200px; height: 200px; border-radius: 50%;
  pointer-events: none; opacity: .6;
}
.podium-1 { background: linear-gradient(135deg, #fff8e6, #fffdf5); border-top: 3px solid #f59e0b; }
.podium-1 .podium-shine { background: radial-gradient(circle, rgba(245, 158, 11, .35), transparent 70%); }
.podium-2 { background: linear-gradient(135deg, #f8fafc, #ffffff); border-top: 3px solid #94a3b8; }
.podium-2 .podium-shine { background: radial-gradient(circle, rgba(148, 163, 184, .3), transparent 70%); }
.podium-3 { background: linear-gradient(135deg, #fdf3e8, #fffbf5); border-top: 3px solid #b45309; }
.podium-3 .podium-shine { background: radial-gradient(circle, rgba(180, 83, 9, .25), transparent 70%); }
.podium-medal { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.medal-rank {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: #fff;
}
.podium-1 .medal-rank { background: linear-gradient(135deg, #fbbf24, #d97706); box-shadow: 0 8px 20px rgba(217, 119, 6, .35); }
.podium-2 .medal-rank { background: linear-gradient(135deg, #cbd5e1, #64748b); box-shadow: 0 8px 20px rgba(100, 116, 139, .3); }
.podium-3 .medal-rank { background: linear-gradient(135deg, #d97706, #92400e); box-shadow: 0 8px 20px rgba(146, 64, 14, .3); }
.medal-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(0, 0, 0, .06); color: var(--text-soft);
}
.podium-info { margin-bottom: 18px; position: relative; z-index: 1; }
.podium-city { font-size: 22px; font-weight: 700; color: var(--text); }
.podium-prov { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.podium-data { display: flex; align-items: baseline; gap: 8px; margin-bottom: 18px; position: relative; z-index: 1; }
.podium-num { font-size: 32px; font-weight: 800; color: var(--primary); letter-spacing: -1px; }
.podium-label { font-size: 13px; color: var(--text-muted); }
.podium-heat { display: flex; flex-direction: column; gap: 6px; position: relative; z-index: 1; }
.heat-track { height: 6px; border-radius: 999px; background: rgba(0, 0, 0, .06); overflow: hidden; }
.heat-track span {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  position: relative; overflow: hidden;
}
.heat-track span::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
  animation: heatShine 2.4s linear infinite;
}
@keyframes heatShine { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.heat-text { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }

/* === 4-10 名列表 === */
.rank-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.rank-row {
  display: grid; grid-template-columns: 40px 1fr 120px auto;
  align-items: center; gap: 18px;
  padding: 16px 22px; background: #fff;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  transition: all .25s;
}
.rank-row:hover {
  border-color: var(--primary-light);
  box-shadow: 0 6px 20px rgba(227, 26, 30, .08);
  transform: translateX(4px);
}
.rank-row-no {
  font-size: 18px; font-weight: 800; color: var(--text-muted);
  font-feature-settings: 'tnum'; text-align: center;
}
.rank-row-city b { display: block; font-size: 15px; font-weight: 600; color: var(--text); }
.rank-row-city em { font-style: normal; font-size: 12px; color: var(--text-muted); margin-top: 2px; display: block; }
.rank-row-bar { height: 4px; border-radius: 999px; background: rgba(0, 0, 0, .05); overflow: hidden; }
.rank-row-bar span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--primary-light), var(--primary));
  border-radius: 999px;
}
.rank-row-num { text-align: right; }
.rank-row-num b { font-size: 18px; font-weight: 700; color: var(--primary); letter-spacing: -.5px; }
.rank-row-num em { font-style: normal; font-size: 12px; color: var(--text-muted); margin-left: 4px; }

/* === 最新动态 === */
.news-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all .35s;
  display: flex; flex-direction: column; position: relative;
}
.news-card::after {
  content: ''; position: absolute; left: 0; bottom: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: transform .4s;
}
.news-card:hover::after { transform: scaleX(1); }
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.news-cover { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--bg-soft); }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .news-cover img { transform: scale(1.08); }
.news-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 64px; font-weight: 700; color: rgba(227, 26, 30, .25);
  background: linear-gradient(135deg, var(--primary-pale), #fff);
}
.news-tag {
  position: absolute; left: 16px; top: 16px;
  padding: 4px 12px; border-radius: 999px; font-size: 12px;
  background: rgba(227, 26, 30, .92); color: #fff;
  backdrop-filter: blur(6px); box-shadow: 0 4px 12px rgba(227, 26, 30, .35);
}
.news-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-date {
  font-size: 12px; color: var(--text-muted); letter-spacing: 1px;
  margin-bottom: 14px; padding-left: 18px; position: relative;
}
.news-date::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 12px; height: 1px; background: var(--primary); transform: translateY(-50%);
}
.news-title {
  font-size: 17px; font-weight: 600; line-height: 1.55;
  margin-bottom: 18px; flex: 1; color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; transition: color .25s;
}
.news-card:hover .news-title { color: var(--primary); }
.news-arrow {
  font-size: 13px; color: var(--primary); font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
}
.news-arrow i { font-style: normal; transition: transform .25s; }
.news-card:hover .news-arrow i { transform: translateX(4px); }
.news-more { text-align: center; margin-top: 50px; }

/* === 新闻空状态 === */
.news-empty {
  text-align: center; padding: 100px 0;
}
.news-empty .empty-mark {
  width: 80px; height: 80px; margin: 0 auto 20px;
  border-radius: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; font-weight: 800;
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary-pale), #fff);
  box-shadow: inset 0 0 0 1px rgba(227, 26, 30, .15);
  letter-spacing: -2px;
}
.news-empty p {
  font-size: 16px; color: var(--text-soft);
  margin-bottom: 8px; font-weight: 500;
}
.news-empty span {
  font-size: 13px; color: var(--text-muted); letter-spacing: 1px;
}

/* === 联系卡片 === */
.section-contact {
  background:
    radial-gradient(ellipse at 0% 100%, rgba(227, 26, 30, .04) 0%, transparent 50%),
    linear-gradient(135deg, #fff8f5, #fff) !important;
}
.contact-card {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1fr 280px; gap: 60px;
  background: #fff; padding: 60px; border-radius: var(--radius-lg);
  box-shadow: 0 25px 70px rgba(31, 41, 55, .08); align-items: center;
}
.contact-deco-blob {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(40px); opacity: .35;
}
.contact-deco-1 {
  right: -80px; top: -80px; width: 280px; height: 280px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.contact-deco-2 {
  left: -60px; bottom: -60px; width: 200px; height: 200px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  opacity: .25;
}
.contact-text { position: relative; z-index: 1; }
.contact-eyebrow {
  font-size: 12px; letter-spacing: 4px;
  color: var(--primary); font-weight: 600; margin-bottom: 12px;
}
.contact-text h2 { font-size: 30px; margin-bottom: 14px; line-height: 1.3; }
.contact-text > p { color: var(--text-muted); margin-bottom: 32px; font-size: 15px; }
.contact-info { list-style: none; margin-bottom: 36px; }
.contact-info li {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0; border-bottom: 1px dashed var(--border); color: var(--text-soft);
}
.contact-info li:last-child { border-bottom: 0; }
.contact-info b {
  display: inline-block; min-width: 56px;
  padding: 5px 12px; border-radius: 8px;
  font-size: 12px; color: var(--primary);
  background: var(--primary-pale); font-weight: 600;
  text-align: center; letter-spacing: 1px;
}
.contact-info span { font-size: 15px; }
.contact-qr { text-align: center; position: relative; z-index: 1; }
.contact-qr img { width: 200px; margin: 0 auto; border-radius: 16px; box-shadow: var(--shadow-sm); }
.qr-tip { color: var(--text-muted); font-size: 13px; margin-top: 14px; letter-spacing: 1px; }
.qr-placeholder {
  width: 200px; height: 200px; margin: 0 auto;
  background: var(--bg-soft); border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 13px;
  border: 1px dashed var(--border);
}

/* === 内页 Hero（二级页顶部 banner）=== */
.page-hero,
.page-banner {
  padding: calc(var(--header-h) + 90px) 0 60px;
  background: url('https://nuanxindao-1429232681.cos.ap-nanjing.myqcloud.com/uploads/images/20260520/20260520144712fe7307866.png') center center / cover no-repeat;
  color: #fff; text-align: center;
  position: relative;
}
/* 二级页 banner 与下一栏目总间距 = 60 + 40 = 100px */
.page-hero + .section,
.page-banner + .section { padding-top: 40px; }
.page-hero-eyebrow {
  font-size: 12px; letter-spacing: 4px;
  color: var(--accent); margin-bottom: 14px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}
.page-hero-title {
  font-size: clamp(28px, 4vw, 44px); margin-bottom: 14px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}
.page-hero-desc {
  color: rgba(255, 255, 255, .9); font-size: 16px;
  max-width: 600px; margin: 0 auto;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}

/* page-banner 兼容（新闻列表/详情页）*/
.page-banner .banner-overlay { display: none; }
.page-banner .banner-text { text-align: center; position: relative; z-index: 1; }
.page-banner h1 {
  font-size: clamp(28px, 4vw, 44px); margin-bottom: 12px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}
.page-banner p {
  color: rgba(255, 255, 255, .9);
  text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}

/* === Tab === */
.tab-bar {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  margin-bottom: 40px;
}
.tab-btn {
  display: flex; align-items: center; gap: 16px; text-align: left;
  padding: 24px 28px; background: #fff;
  border-radius: var(--radius); border: 2px solid var(--border);
  transition: all .25s;
}
.tab-btn-icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px;
  background: var(--bg-soft); color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; transition: all .25s;
}
.tab-btn-text { flex: 1; }
.tab-btn-text b { display: block; font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.tab-btn-text em { font-style: normal; font-size: 13px; color: var(--text-muted); }
.tab-btn:hover { border-color: var(--primary-light); }
.tab-btn.active {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary-pale), #fff);
}
.tab-btn.active .tab-btn-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff; box-shadow: 0 4px 14px rgba(227, 26, 30, .35);
}
.tab-pane { display: none; }
.tab-pane.active { display: block; animation: fadeUp .35s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === 查询卡片 === */
.query-card {
  background: #fff; padding: 50px 60px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); max-width: 720px; margin: 0 auto;
}
.query-card h3 { font-size: 22px; margin-bottom: 8px; }
.query-tip { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }
.query-form {
  display: flex; gap: 12px; margin-bottom: 24px;
}
.query-form input {
  flex: 1; padding: 14px 20px; font-size: 15px;
  border: 1.5px solid var(--border); border-radius: 999px;
  transition: border-color .2s;
}
.query-form input:focus { border-color: var(--primary); }
.query-result:empty { display: none; }
.query-empty {
  padding: 24px; text-align: center; color: var(--text-muted);
  background: var(--bg-soft); border-radius: var(--radius-sm);
}
.result-card {
  background: linear-gradient(135deg, var(--primary-pale), #fff);
  border-radius: var(--radius-sm); padding: 28px;
  border: 1px solid var(--primary-light);
}
.result-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px; margin-bottom: 16px;
  border-bottom: 1px dashed var(--primary-light);
}
.result-head b { font-size: 16px; color: var(--primary-deep); }
.result-head span { font-size: 13px; color: var(--text-muted); font-family: monospace; }
.result-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 28px;
}
.result-grid > div { display: flex; flex-direction: column; gap: 4px; }
.result-grid label { font-size: 12px; color: var(--text-muted); }
.result-grid span { font-size: 15px; }

/* === 合作申请 === */
.coop-grid {
  display: grid; grid-template-columns: 5fr 7fr; gap: 32px;
}
.coop-conditions, .coop-form {
  background: #fff; padding: 36px; border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.coop-conditions h3, .coop-form h3 {
  font-size: 20px; margin-bottom: 18px;
  padding-bottom: 14px; border-bottom: 2px solid var(--primary-pale);
}
.coop-text {
  color: var(--text-soft); line-height: 1.9; font-size: 15px;
  white-space: pre-wrap;
}
.form-row { margin-bottom: 16px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 16px; font-size: 14px;
  border: 1.5px solid var(--border); border-radius: 10px;
  transition: border-color .2s; resize: vertical;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--primary); }

/* === 合作页（仿小程序 concat）=== */
.coop-hero {
  /* 背景与 padding 均复用 .page-hero 默认值，保证与其他二级页 banner 间距一致 */
}
.coop-hero-inner { position: relative; }

/* 数据统计卡片（浮于 Hero 底部）*/
.coop-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  max-width: 720px; margin: 32px auto 0;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(12px);
  border-radius: 18px; padding: 24px 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  position: relative; z-index: 3;
}
.coop-stat-item { text-align: center; padding: 0 12px; position: relative; }
.coop-stat-item + .coop-stat-item::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 40px; background: rgba(0,0,0,0.06);
}
.coop-stat-value {
  font-size: 32px; font-weight: 700;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-deep) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1.2;
}
.coop-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* 合作页主体区块（间距与 .section 默认保持一致）*/

/* 合作简介卡片 */
.coop-intro-card {
  background: #fff; border-radius: 16px;
  padding: 28px 32px; box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}
.coop-intro-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.coop-intro-icon {
  width: 4px; height: 18px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--primary-deep));
}
.coop-intro-title { font-size: 20px; font-weight: 700; color: var(--text-main); margin: 0; }
.coop-intro-body {
  font-size: 15px; color: var(--text-soft); line-height: 1.9;
}
.coop-intro-body img { max-width: 100%; height: auto; border-radius: 10px; margin-top: 12px; }
.coop-intro-body p { margin-bottom: 12px; }

/* 共创机制 */
.coop-mech {
  background: #fff; border-radius: 16px;
  padding: 28px 32px; box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}
.coop-mech-head {
  display: flex; align-items: center; gap: 10px; margin-bottom: 24px;
  flex-wrap: wrap;
}
.coop-mech-icon {
  width: 4px; height: 18px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--primary-deep));
}
.coop-mech-title { font-size: 20px; font-weight: 700; color: var(--text-main); margin: 0; }
.coop-mech-tip { font-size: 13px; color: var(--text-muted); margin-left: auto; }

.mech-card {
  display: flex; align-items: center; gap: 20px;
  padding: 22px 24px; margin-bottom: 16px;
  background: linear-gradient(135deg, #fffbf9 0%, #fff5f0 100%);
  border: 1px solid rgba(227,26,30,0.06);
  border-radius: 14px; cursor: pointer;
  transition: all .25s ease;
}
.mech-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(227,26,30,0.12);
  border-color: rgba(227,26,30,0.18);
}
.mech-card:last-child { margin-bottom: 0; }

.mech-badge {
  width: 64px; height: 72px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 16px;
  /* 六边形近似效果 */
  clip-path: polygon(50% 0, 95% 25%, 95% 75%, 50% 100%, 5% 75%, 5% 25%);
  color: #fff; font-size: 16px; font-weight: 700;
  letter-spacing: 1px;
}
.mech-badge-station { background: linear-gradient(135deg, #FFB85E 0%, #FC7A3E 100%); }
.mech-badge-team    { background: linear-gradient(135deg, #60BEFF 0%, #2B97FB 100%); }
.mech-badge-cobuild { background: linear-gradient(135deg, #FF7EA5 0%, #FF3D7A 100%); }
.mech-badge-text { writing-mode: horizontal-tb; }

.mech-body { flex: 1; min-width: 0; }
.mech-row-top {
  display: flex; align-items: center; gap: 12px; margin-bottom: 8px;
  flex-wrap: wrap;
}
.mech-name { font-size: 17px; font-weight: 700; color: var(--text-main); margin: 0; }
.mech-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.mech-tag {
  padding: 3px 8px; font-size: 11px; border-radius: 4px;
  background: #FFEFDC; color: #FE920E;
}
.mech-card-team .mech-tag    { background: #E1F1FF; color: #2B97FB; }
.mech-card-cobuild .mech-tag { background: #FFE2EC; color: #FF3D7A; }
.mech-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin: 0; }
.mech-arrow {
  flex-shrink: 0; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--text-muted);
  background: #fff; border-radius: 50%;
  transition: all .25s;
}
.mech-card:hover .mech-arrow {
  color: #fff; background: var(--primary);
  transform: translateX(4px);
}

/* 合作条件说明卡片 */
.coop-conditions-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.coop-cond-card {
  background: #fff; border-radius: 14px; padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.coop-cond-title {
  font-size: 16px; font-weight: 700; color: var(--text-main);
  margin: 0 0 12px; padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-pale);
}
.coop-cond-body {
  font-size: 14px; color: var(--text-soft); line-height: 1.8;
}
.coop-cond-body img { max-width: 100%; height: auto; border-radius: 8px; }

/* 二维码弹窗 */
.qr-modal {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .22s ease;
  padding: 20px;
}
.qr-modal[hidden] { display: none !important; }
.qr-modal.show { opacity: 1; }
.qr-modal-mask {
  position: absolute; inset: 0;
  background: rgba(20, 24, 40, 0.55);
  backdrop-filter: blur(4px);
}
.qr-modal-card {
  position: relative; z-index: 1;
  width: 100%; max-width: 380px;
  background: #fff; border-radius: 20px;
  padding: 32px 28px 28px; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  transform: scale(0.9); transition: transform .22s ease;
}
.qr-modal.show .qr-modal-card { transform: scale(1); }
.qr-modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px; border-radius: 50%; border: 0;
  background: #f5f5f7; color: #666; font-size: 22px; line-height: 1;
  cursor: pointer; transition: all .2s;
}
.qr-modal-close:hover { background: var(--primary); color: #fff; }
.qr-modal-title {
  font-size: 22px; font-weight: 700; color: var(--text-main);
  margin: 0 0 8px;
}
.qr-modal-desc { font-size: 13px; color: var(--text-muted); margin: 0 0 22px; }
.qr-modal-img-wrap {
  position: relative;
  margin: 0 auto 18px; width: 240px; height: 240px;
  background: #fafafa; border: 1px solid #f0f0f0; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.qr-modal-img-wrap img { max-width: 100%; max-height: 100%; display: block; }
.qr-modal-empty {
  display: flex; flex-direction: column; gap: 6px;
  color: var(--text-muted); padding: 20px;
}
.qr-modal-empty span { font-size: 14px; font-weight: 600; color: var(--text-soft); }
.qr-modal-empty em { font-size: 12px; font-style: normal; }
.qr-modal-tip {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 12px; color: var(--text-muted);
}
.qr-modal-tip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,0.18);
}

/* === 新闻列表页保留兼容 === */
.breadcrumb { padding: 24px 0; color: var(--text-muted); font-size: 13px; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; }
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.news-grid .news-card .cover { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-soft); }
.news-grid .news-card .cover img { width: 100%; height: 100%; object-fit: cover; }
.news-grid .news-card .body { padding: 22px 24px; }
.news-grid .tag-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.news-grid .tag {
  padding: 4px 10px; border-radius: 6px;
  background: var(--primary-pale); color: var(--primary); font-size: 12px;
}
.news-grid .title { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.5; }
.news-grid .summary {
  font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-grid .meta {
  display: flex; justify-content: space-between; font-size: 12px;
  color: var(--text-muted); padding-top: 12px; border-top: 1px solid var(--border);
}
.news-grid .read-more { color: var(--primary); }
.pagination {
  display: flex; justify-content: center; gap: 6px; margin-top: 50px;
}
.pagination a, .pagination span {
  display: inline-block; min-width: 38px; height: 38px; line-height: 36px;
  text-align: center; padding: 0 12px; border-radius: 8px;
  border: 1px solid var(--border); color: var(--text-soft); font-size: 14px;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .disabled { color: var(--text-muted); background: var(--bg-soft); }

/* === 页脚 === */
.site-footer {
  background: #1a1208; color: rgba(255, 255, 255, .7);
  padding: 60px 0 30px; font-size: 14px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .brand-name {
  font-size: 18px; color: #fff; font-weight: 600; margin-bottom: 12px;
}
.footer-brand p { line-height: 1.8; color: rgba(255, 255, 255, .55); }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col li { padding: 6px 0; }
.footer-col a, .footer-col span { color: rgba(255, 255, 255, .55); transition: color .2s; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 24px; color: rgba(255, 255, 255, .35); font-size: 13px;
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .podium { grid-template-columns: 1fr; }
  .rank-list { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
  .pillars { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; padding: 40px; gap: 40px; }
  .coop-grid { grid-template-columns: 1fr; }
    .coop-hero-inner { padding: 56px 0 40px; }
    .coop-hero-title { font-size: 28px; }
    .coop-stats { grid-template-columns: repeat(3, 1fr); padding: 16px 8px; margin: 0 16px; }
    .coop-stat-value { font-size: 24px; }
    .coop-stat-label { font-size: 11px; }
    .coop-intro-card, .coop-mech { padding: 20px 18px; }
    .mech-card { padding: 16px; gap: 14px; }
    .mech-badge { width: 52px; height: 60px; font-size: 14px; }
    .mech-name { font-size: 15px; }
    .mech-tag { font-size: 10px; padding: 2px 6px; }
    .mech-arrow { width: 26px; height: 26px; font-size: 18px; }
    .coop-conditions-grid { grid-template-columns: 1fr; }
    .qr-modal-card { padding: 24px 20px; }
    .qr-modal-img-wrap { width: 200px; height: 200px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .map-toolbar { justify-content: center; }
}
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .section-stats { padding: 50px 0; }
  .stats-grid { gap: 12px; }
  .stat-card { padding: 32px 20px 28px; }
  .stat-deco { font-size: 42px; }
  .news-row, .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 20px 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
    transform: translateY(-110%); transition: transform .3s;
  }
  body.nav-open .site-nav { transform: translateY(0); }
  body.nav-open .site-header { background: #fff; }
  body.nav-open .nav-link { color: var(--text-soft); width: 100%; padding: 14px 8px; }
  .tab-bar { grid-template-columns: 1fr; }
  .query-card { padding: 30px 24px; }
  .query-form { flex-direction: column; }
  .form-row-2 { grid-template-columns: 1fr; }
  .map-canvas { height: 400px; }
  .map-wrap { padding: 12px; }
  .map-tech-corner { width: 20px; height: 20px; }
  .province-panel {
    position: fixed; top: auto; bottom: 0; left: 0; right: 0;
    width: 100%; max-height: 70vh; border-radius: 14px 14px 0 0;
  }
  .result-grid { grid-template-columns: 1fr; }
  .story-quote { padding: 40px 28px; }
  .quote-text { font-size: 22px; }
  .quote-mark { font-size: 80px; }
  .rank-row { grid-template-columns: 32px 1fr 80px auto; gap: 12px; padding: 14px 16px; }
  .contact-card { padding: 32px 24px; }
}