:root {
  --deep-sea: #0A3D62;
  --ocean-teal: #1A6B8A;
  --ocean-light: #2EA4C7;
  --coral: #E07A5F;
  --coral-dark: #c95b40;
  --foam: #F5FAFA;
  --sand: #F2CC8F;
  --seaweed: #81B29A;
  --ink: #14283D;
  --ink-soft: #2C3E50;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--foam);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.gradient-ocean {
  background: linear-gradient(135deg, #0A3D62 0%, #1A6B8A 40%, #2EA4C7 80%, #7EC8D5 100%);
}

.gradient-deep {
  background: linear-gradient(180deg, #052540 0%, #0A3D62 60%, #1A6B8A 100%);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
.navbar.scrolled {
  background: rgba(245, 250, 250, 0.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 2px 24px rgba(10, 61, 98, 0.12);
  padding: 10px 0;
}
.navbar .nav-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.navbar.scrolled .logo-text { color: var(--deep-sea); }
.navbar.scrolled .nav-links a { color: var(--ink); }

.brand { display: flex; align-items: center; gap: 10px; }
.logo-bubble {
  width: 42px; height: 42px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #7EC8D5, #1A6B8A 70%, #0A3D62);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: bold; font-size: 18px;
  box-shadow: 0 4px 12px rgba(10, 61, 98, 0.4);
}
.logo-text {
  font-family: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  font-size: 22px; font-weight: 700; color: #fff; letter-spacing: 2px;
  transition: color 0.35s ease;
}
.logo-sub { font-size: 11px; letter-spacing: 6px; opacity: 0.8; color: #fff; }

.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
  color: #fff; font-size: 15px; font-weight: 500;
  position: relative; padding: 6px 2px;
  transition: color 0.3s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--coral);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--coral); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--coral); }
.nav-links a.active::after { width: 100%; }

.mobile-toggle { display: none; color: #fff; font-size: 26px; }
.navbar.scrolled .mobile-toggle { color: var(--deep-sea); }

.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, #052540 0%, #0A3D62 35%, #1A6B8A 70%, #2EA4C7 100%);
}
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><defs><radialGradient id='b' cx='50%' cy='50%' r='50%'><stop offset='0%' stop-color='%23ffffff' stop-opacity='0.12'/><stop offset='100%' stop-color='%23ffffff' stop-opacity='0'/></radialGradient></defs><circle cx='170' cy='40' r='10' fill='url(%23b)'/><circle cx='50' cy='120' r='6' fill='url(%23b)'/><circle cx='120' cy='170' r='8' fill='url(%23b)'/></svg>");
  background-size: 240px 240px;
  opacity: 0.6;
  animation: floatSlow 22s linear infinite;
}
@keyframes floatSlow {
  0% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(-20px, 20px, 0); }
  100% { transform: translate3d(0,0,0); }
}

.hero-content {
  position: relative; z-index: 2;
  color: #fff;
  max-width: 760px;
  padding-top: 100px; padding-bottom: 80px;
}
.hero-kicker {
  display: inline-block; padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px; font-size: 13px; letter-spacing: 4px;
  margin-bottom: 28px; backdrop-filter: blur(6px);
}
.hero h1 {
  font-family: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  font-size: 58px; line-height: 1.15; font-weight: 700;
  margin-bottom: 24px; letter-spacing: 3px;
}
.hero h1 span { color: var(--sand); }
.hero-desc {
  font-size: 17px; opacity: 0.9; margin-bottom: 40px;
  max-width: 620px;
}

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: all 0.25s ease; letter-spacing: 1px;
}
.btn-primary { background: var(--coral); color: #fff; box-shadow: 0 6px 18px rgba(224,122,95,0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(224,122,95,0.55); background: var(--coral-dark); }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.4); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-3px); }
.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }

.wave-divider {
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 120px;
  pointer-events: none;
}
.wave-divider svg { width: 100%; height: 100%; display: block; }
.wave-anim path { animation: wave 6s linear infinite; transform-origin: center; }
@keyframes wave {
  0% { transform: translateX(0); }
  50% { transform: translateX(-25%); }
  100% { transform: translateX(0); }
}
.wave-bottom { height: 180px; }

.section { padding: 80px 0; position: relative; }
.section-title {
  text-align: center; margin-bottom: 16px;
  font-family: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  font-size: 40px; color: var(--deep-sea); letter-spacing: 2px;
}
.section-subtitle {
  text-align: center; color: var(--ink-soft);
  font-size: 16px; max-width: 620px; margin: 0 auto 48px;
}
.section-white { background: var(--foam); }
.section-ocean { background: linear-gradient(180deg, #F5FAFA 0%, #E6F2F5 100%); }
.section-dark { background: var(--deep-sea); color: #fff; }
.section-dark .section-title { color: var(--foam); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px; margin-top: 40px;
}
.stat-card {
  background: #fff; border-radius: 20px; padding: 36px 28px;
  text-align: center; box-shadow: 0 4px 20px rgba(10, 61, 98, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(26, 107, 138, 0.08);
}
.stat-card:hover { transform: translateY(-6px); box-shadow: 0 14px 36px rgba(10, 61, 98, 0.15); }
.stat-num {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 52px; font-weight: 700; line-height: 1;
  background: linear-gradient(135deg, var(--deep-sea), var(--ocean-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 12px;
}
.stat-num.coral { background: linear-gradient(135deg, var(--coral), var(--sand)); -webkit-background-clip: text; background-clip: text; }
.stat-label { font-size: 14px; color: var(--ink-soft); letter-spacing: 1px; }

.value-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.value-card {
  background: #fff; border-radius: 24px; padding: 48px 36px;
  transition: transform 0.3s ease, box-shadow 0.35s ease;
  position: relative; overflow: hidden;
  border: 1px solid rgba(10, 61, 98, 0.06);
}
.value-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; border-radius: 24px 24px 0 0;
}
.value-card:nth-child(1)::before { background: linear-gradient(90deg, var(--ocean-light), var(--seaweed)); }
.value-card:nth-child(2)::before { background: linear-gradient(90deg, var(--coral), var(--sand)); }
.value-card:nth-child(3)::before { background: linear-gradient(90deg, var(--deep-sea), var(--ocean-teal)); }
.value-card:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(10, 61, 98, 0.16); }
.value-icon {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 24px;
}
.value-card:nth-child(1) .value-icon { background: #E6F7F2; color: var(--seaweed); }
.value-card:nth-child(2) .value-icon { background: #FFF1EC; color: var(--coral); }
.value-card:nth-child(3) .value-icon { background: #E4F0F8; color: var(--deep-sea); }
.value-card h3 { font-family: "ZCOOL XiaoWei", serif; font-size: 24px; margin-bottom: 14px; color: var(--deep-sea); letter-spacing: 1px; }
.value-card p { color: var(--ink-soft); font-size: 15px; }

.nav-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.nav-card {
  position: relative; height: 340px; border-radius: 24px; overflow: hidden;
  cursor: pointer; transition: transform 0.35s ease, box-shadow 0.4s ease;
  color: #fff;
}
.nav-card:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(0,0,0,0.25); }
.nav-card-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 0.6s ease;
}
.nav-card:hover .nav-card-bg { transform: scale(1.08); }
.nav-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10,61,98,0.9) 100%);
}
.nav-card:nth-child(1) .nav-card-bg { background-image: linear-gradient(135deg, #0A3D62, #1A6B8A); }
.nav-card:nth-child(2) .nav-card-bg { background-image: linear-gradient(135deg, #8B2E2E, #E07A5F); }
.nav-card:nth-child(3) .nav-card-bg { background-image: linear-gradient(135deg, #2C5E54, #81B29A); }
.nav-card-content {
  position: relative; z-index: 2; padding: 40px 36px;
  height: 100%; display: flex; flex-direction: column; justify-content: flex-end;
}
.nav-card-content h3 {
  font-family: "ZCOOL XiaoWei", serif; font-size: 28px; margin-bottom: 10px; letter-spacing: 2px;
}
.nav-card-content p { font-size: 14px; opacity: 0.85; margin-bottom: 20px; }
.nav-card-arrow {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
  align-self: flex-start;
}
.nav-card:hover .nav-card-arrow { background: var(--coral); transform: translateX(6px); }

.coral-cta { background: var(--coral); color: #fff; padding: 100px 0; text-align: center; }
.coral-cta h2 { font-family: "ZCOOL XiaoWei", serif; font-size: 44px; margin-bottom: 16px; letter-spacing: 3px; }
.coral-cta p { opacity: 0.9; margin-bottom: 36px; font-size: 16px; max-width: 560px; margin-left: auto; margin-right: auto; }
.coral-cta .btn-primary { background: #fff; color: var(--coral); box-shadow: 0 6px 18px rgba(0,0,0,0.2); }
.coral-cta .btn-primary:hover { background: #F5FAFA; }

.footer { background: #081E33; color: #D6E4EE; padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { margin-top: 14px; font-size: 14px; opacity: 0.7; max-width: 300px; }
.footer-col h4 { color: #fff; margin-bottom: 18px; font-size: 16px; letter-spacing: 2px; font-weight: 500; }
.footer-col a { display: block; font-size: 14px; opacity: 0.75; padding: 4px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--sand); opacity: 1; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px; display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; opacity: 0.6;
}

/* 二级页：通用头部 */
.page-hero {
  position: relative; min-height: 480px; display: flex; align-items: center;
  background: linear-gradient(180deg, #052540 0%, #0A3D62 60%, #1A6B8A 100%);
  color: #fff; padding-top: 100px; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><defs><radialGradient id='b' cx='50%' cy='50%' r='50%'><stop offset='0%' stop-color='%23ffffff' stop-opacity='0.1'/><stop offset='100%' stop-color='%23ffffff' stop-opacity='0'/></radialGradient></defs><circle cx='100' cy='100' r='12' fill='url(%23b)'/><circle cx='30' cy='60' r='6' fill='url(%23b)'/><circle cx='160' cy='140' r='9' fill='url(%23b)'/></svg>");
  background-size: 200px 200px; opacity: 0.7;
  animation: floatSlow 20s linear infinite;
}
.page-hero.crisis-hero { background: linear-gradient(180deg, #2A1010 0%, #5B2828 60%, #A04A3A 100%); }
.page-hero.conservation-hero { background: linear-gradient(180deg, #102820 0%, #2C5E54 60%, #81B29A 100%); }
.page-hero-inner { position: relative; z-index: 2; }
.page-hero h1 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 56px; letter-spacing: 4px; margin-bottom: 16px; line-height: 1.2;
}
.page-hero p { font-size: 17px; opacity: 0.9; max-width: 640px; }
.breadcrumb { display: flex; gap: 10px; opacity: 0.7; margin-bottom: 14px; font-size: 13px; }
.breadcrumb a:hover { color: var(--sand); }

/* 分类标签 */
.tab-bar {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 48px;
}
.tab {
  padding: 10px 24px; border-radius: 999px;
  background: #fff; color: var(--ink-soft);
  font-size: 14px; font-weight: 500; letter-spacing: 1px;
  border: 1px solid rgba(26, 107, 138, 0.15);
  transition: all 0.25s ease;
}
.tab:hover { background: var(--ocean-light); color: #fff; border-color: var(--ocean-light); }
.tab.active { background: var(--deep-sea); color: #fff; border-color: var(--deep-sea); box-shadow: 0 4px 14px rgba(10,61,98,0.3); }

/* 海洋生物卡片 */
.life-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.life-card {
  background: #fff; border-radius: 20px; overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.4s ease;
  cursor: pointer; position: relative;
  border: 1px solid rgba(10,61,98,0.06);
}
.life-card:hover { transform: translateY(-8px); box-shadow: 0 18px 42px rgba(10,61,98,0.2); }
.life-img {
  aspect-ratio: 4/3;
  background-size: cover; background-position: center;
  position: relative;
}
.life-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,61,98,0.55) 100%);
  opacity: 0; transition: opacity 0.3s ease;
}
.life-card:hover .life-img::after { opacity: 1; }
.life-body { padding: 20px 22px; }
.life-cnname { font-family: "ZCOOL XiaoWei", serif; font-size: 22px; color: var(--deep-sea); letter-spacing: 1px; }
.life-enname { font-size: 12px; color: var(--ink-soft); font-style: italic; margin-top: 4px; }
.life-tag {
  display: inline-block; margin-top: 12px; padding: 3px 12px;
  border-radius: 999px; font-size: 11px; font-weight: 500; letter-spacing: 1px;
}
.tag-ok { background: #E6F7F2; color: #4A8C74; }
.tag-near { background: #F5EEDC; color: #947A36; }
.tag-vuln { background: #FFF1EC; color: var(--coral-dark); }
.tag-end { background: #F5E0E0; color: #8B2E2E; }
.tag-crit { background: #401010; color: #FFB3A3; }

/* 危机卡片 */
.crisis-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.crisis-card {
  border-radius: 24px; overflow: hidden; color: #fff;
  transition: transform 0.3s ease, box-shadow 0.4s ease;
  min-height: 320px;
  position: relative;
}
.crisis-card:hover { transform: translateY(-6px); box-shadow: 0 18px 42px rgba(0,0,0,0.3); }
.crisis-card.red { background: linear-gradient(135deg, #6B1E1E, #C95B40); }
.crisis-card.yellow { background: linear-gradient(135deg, #7A5B10, #D69B2F); }
.crisis-card.blue { background: linear-gradient(135deg, #053050, #2EA4C7); }
.crisis-card.purple { background: linear-gradient(135deg, #3A2450, #7E5FB8); }
.crisis-card.green { background: linear-gradient(135deg, #224D3C, #5F8A6C); }
.crisis-inner { padding: 48px 40px; height: 100%; display: flex; flex-direction: column; }
.crisis-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 24px;
}
.crisis-inner h3 { font-family: "ZCOOL XiaoWei", serif; font-size: 28px; letter-spacing: 2px; margin-bottom: 12px; }
.crisis-inner p { font-size: 15px; opacity: 0.9; flex: 1; }
.crisis-stats {
  margin-top: 20px; display: flex; gap: 20px; flex-wrap: wrap;
}
.crisis-stat { font-size: 13px; opacity: 0.9; }
.crisis-stat b { font-size: 20px; display: block; }

/* 保护项目 */
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project-card {
  background: #fff; border-radius: 24px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.4s ease;
  border: 1px solid rgba(10,61,98,0.06);
}
.project-card:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(10,61,98,0.18); }
.project-img {
  height: 200px; background-size: cover; background-position: center;
  background: linear-gradient(135deg, #81B29A, #2C5E54);
  position: relative;
}
.project-tag {
  position: absolute; top: 16px; left: 16px;
  padding: 4px 14px; border-radius: 999px; font-size: 11px;
  font-weight: 600; letter-spacing: 1px;
}
.project-tag.active { background: #E6F7F2; color: #4A8C74; }
.project-tag.planning { background: #F5EEDC; color: #947A36; }
.project-tag.completed { background: #E4F0F8; color: var(--deep-sea); }
.project-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.project-org { font-size: 12px; letter-spacing: 2px; color: var(--ocean-teal); margin-bottom: 8px; }
.project-body h3 { font-family: "ZCOOL XiaoWei", serif; font-size: 24px; color: var(--deep-sea); letter-spacing: 1px; margin-bottom: 10px; }
.project-body p { font-size: 14px; color: var(--ink-soft); margin-bottom: 16px; }
.project-meta { display: flex; gap: 18px; font-size: 12px; color: var(--ink-soft); margin-bottom: 16px; }
.project-progress {
  background: rgba(26,107,138,0.1); border-radius: 999px; height: 6px; overflow: hidden; margin-bottom: 8px;
}
.project-progress-bar { height: 100%; background: linear-gradient(90deg, var(--ocean-teal), var(--seaweed)); border-radius: 999px; }
.project-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.project-vol { font-size: 12px; color: var(--seaweed); }

/* 详情页头部 */
.detail-hero {
  position: relative; min-height: 560px; color: #fff;
  display: flex; align-items: flex-end;
  background-size: cover; background-position: center;
  padding-top: 100px;
  overflow: hidden;
}
.detail-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,61,98,0.7) 0%, rgba(10,61,98,0.85) 100%);
}
.detail-hero.crisis-hero::before {
  background: linear-gradient(180deg, rgba(50,10,10,0.7) 0%, rgba(50,10,10,0.9) 100%);
}
.detail-hero-inner { position: relative; z-index: 2; padding-bottom: 60px; }
.detail-hero-inner h1 {
  font-family: "ZCOOL XiaoWei", serif; font-size: 56px; letter-spacing: 4px;
  margin-bottom: 8px; line-height: 1.15;
}
.detail-hero-inner .subname { font-size: 15px; opacity: 0.8; font-style: italic; }
.detail-hero-inner .status-pill {
  display: inline-block; margin-top: 20px; padding: 5px 18px;
  border-radius: 999px; font-size: 12px; letter-spacing: 2px;
  background: rgba(255,255,255,0.18); backdrop-filter: blur(6px);
}

.detail-body { padding: 80px 0; }
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; }
.detail-main h2 { font-family: "ZCOOL XiaoWei", serif; font-size: 28px; color: var(--deep-sea); margin: 36px 0 14px; letter-spacing: 1px; }
.detail-main h2:first-child { margin-top: 0; }
.detail-main p { font-size: 16px; color: var(--ink-soft); margin-bottom: 14px; }
.detail-main ul { padding-left: 20px; }
.detail-main ul li { font-size: 15px; color: var(--ink-soft); margin-bottom: 8px; }

.detail-side { position: sticky; top: 100px; align-self: start; }
.detail-side-card {
  background: linear-gradient(135deg, #E4F0F8, #F5FAFA);
  border-radius: 24px; padding: 36px; margin-bottom: 24px;
}
.detail-side h3 { font-family: "ZCOOL XiaoWei", serif; font-size: 18px; color: var(--deep-sea); margin-bottom: 20px; letter-spacing: 2px; }
.detail-side-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed rgba(10,61,98,0.12); font-size: 14px; }
.detail-side-item:last-child { border-bottom: none; }
.detail-side-item .label { color: var(--ink-soft); }
.detail-side-item .val { color: var(--deep-sea); font-weight: 500; }

/* 步骤条（保护行动） */
.action-steps { margin-top: 40px; }
.step {
  display: flex; gap: 24px; padding: 28px 0;
  border-top: 1px solid rgba(26,107,138,0.12);
}
.step:first-child { border-top: none; }
.step-num {
  font-family: "ZCOOL XiaoWei", serif; font-size: 52px; color: var(--coral);
  line-height: 1; font-weight: 700; min-width: 64px;
}
.step-content h3 { font-family: "ZCOOL XiaoWei", serif; font-size: 22px; color: var(--deep-sea); margin-bottom: 8px; letter-spacing: 1px; }
.step-content p { color: var(--ink-soft); font-size: 14px; }

/* 新闻列表 */
.news-list { margin-top: 40px; display: flex; flex-direction: column; gap: 24px; }
.news-item {
  display: flex; gap: 24px; padding: 24px;
  background: #fff; border-radius: 20px;
  border: 1px solid rgba(10,61,98,0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.news-item:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(10,61,98,0.1); }
.news-date {
  font-family: "ZCOOL XiaoWei", serif; font-size: 34px; color: var(--coral);
  line-height: 1; min-width: 80px;
}
.news-date small { display: block; font-size: 13px; color: var(--ink-soft); font-family: inherit; }
.news-content h4 { font-size: 17px; color: var(--deep-sea); margin-bottom: 6px; letter-spacing: 1px; }
.news-content p { font-size: 14px; color: var(--ink-soft); }

/* 气泡装饰 */
.bubbles {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 1;
}
.bubble {
  position: absolute; bottom: -60px;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
  animation: rise linear infinite;
}
@keyframes rise {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.8; }
  100% { transform: translateY(-120vh) scale(0.6); opacity: 0; }
}

.back-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 90;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--deep-sea); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(10,61,98,0.4);
  opacity: 0; transform: translateY(20px);
  transition: all 0.3s ease;
}
.back-top.show { opacity: 1; transform: translateY(0); }
.back-top:hover { background: var(--coral); }

.mobile-menu {
  position: fixed; inset: 0; background: rgba(10,61,98,0.98);
  z-index: 200; display: none;
  flex-direction: column; align-items: center; justify-content: center;
  gap: 36px; color: #fff;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 26px; font-family: "ZCOOL XiaoWei", serif; letter-spacing: 3px; }
.mobile-menu .close-btn { position: absolute; top: 24px; right: 24px; color: #fff; font-size: 28px; }

/* 捐赠卡片 */
.donate-card {
  background: linear-gradient(135deg, var(--coral), var(--coral-dark));
  color: #fff; border-radius: 28px; padding: 56px 44px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
}
.donate-card h3 { font-family: "ZCOOL XiaoWei", serif; font-size: 32px; letter-spacing: 2px; }
.donate-card p { opacity: 0.9; max-width: 480px; margin-top: 8px; }
.donate-card .btn { background: #fff; color: var(--coral); }
.donate-card .btn:hover { background: #F5FAFA; }

/* 小贴士 */
.tips-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tip-card {
  background: #fff; padding: 24px 28px; border-radius: 20px;
  display: flex; gap: 18px; align-items: flex-start;
  border: 1px solid rgba(10,61,98,0.06);
  transition: transform 0.2s ease;
}
.tip-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(10,61,98,0.1); }
.tip-num {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ocean-light); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 18px; flex-shrink: 0;
}
.tip-card h4 { font-family: "ZCOOL XiaoWei", serif; font-size: 18px; color: var(--deep-sea); margin-bottom: 4px; letter-spacing: 1px; }
.tip-card p { font-size: 14px; color: var(--ink-soft); }

/* 响应式 */
@media (max-width: 1024px) {
  .hero h1 { font-size: 46px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: 1fr; }
  .nav-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .life-grid { grid-template-columns: repeat(3, 1fr); }
  .crisis-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 36px; letter-spacing: 2px; }
  .hero { min-height: auto; padding-bottom: 140px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-card { padding: 28px 18px; }
  .stat-num { font-size: 40px; }
  .section-title { font-size: 30px; }
  .section { padding: 60px 0; }
  .page-hero { min-height: auto; padding-bottom: 60px; }
  .page-hero h1 { font-size: 38px; }
  .detail-hero { min-height: auto; padding-bottom: 40px; }
  .detail-hero-inner h1 { font-size: 38px; }
  .life-grid { grid-template-columns: repeat(2, 1fr); }
  .news-item { flex-direction: column; }
  .donate-card { padding: 40px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* 滚动淡入动画 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

/* 滚动数字 */
.count-up { font-feature-settings: "tnum"; }

/* 禁止选中按钮 */
.btn, .tab, .value-card, .nav-card, .life-card, .crisis-card, .project-card, .tip-card { cursor: pointer; }