/* 抖阴植物视频社区 - 主样式文件 | dxgpmve.cn */
:root {
  --primary: #1a6b3a;
  --primary-dark: #0f4525;
  --primary-light: #2d9e5a;
  --accent: #f5a623;
  --accent-dark: #d4891a;
  --bg-dark: #0d1f14;
  --bg-card: #162b1e;
  --bg-light: #f4f9f6;
  --text-main: #1c2b22;
  --text-muted: #5a7a65;
  --text-light: #e8f5ee;
  --border: #2a4a35;
  --red: #e53935;
  --shadow: 0 4px 24px rgba(0,0,0,0.18);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
  background: #fff;
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }

img { max-width: 100%; height: auto; display: block; }

/* ===== HEADER ===== */
.site-header {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-logo img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.site-logo .logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}

.site-logo .logo-text span {
  color: var(--accent);
}

/* NAV */
.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
  color: #c8e6d4;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--primary);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

/* SEARCH BAR */
.search-bar-wrap {
  background: var(--primary-dark);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-form {
  display: flex;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.search-form input {
  flex: 1;
  padding: 9px 18px;
  border: 1.5px solid var(--primary-light);
  border-radius: 24px 0 0 24px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}

.search-form input::placeholder { color: #8ab89a; }
.search-form input:focus { border-color: var(--accent); }

.search-form button {
  padding: 9px 22px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 0 24px 24px 0;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--transition);
}

.search-form button:hover { background: var(--accent-dark); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  background: var(--bg-light);
  padding: 10px 0;
  border-bottom: 1px solid #dde8e2;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ===== BANNER ===== */
.hero-banner {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-banner .banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-banner .banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,35,18,0.88) 0%, rgba(10,35,18,0.55) 60%, rgba(10,35,18,0.18) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 20px;
  width: 100%;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 18px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.hero-content h1 span { color: var(--accent); }

.hero-content p {
  font-size: 1.15rem;
  color: #c8e6d4;
  max-width: 560px;
  margin-bottom: 30px;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-light);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26,107,58,0.4);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}

/* ===== SECTIONS ===== */
.section {
  padding: 64px 0;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section-gray {
  background: var(--bg-light);
}

.section-green {
  background: var(--primary-dark);
  color: var(--text-light);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin: 10px auto 0;
}

.section-dark .section-title h2,
.section-green .section-title h2 {
  color: #a8e6be;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 12px;
}

.section-dark .section-title p,
.section-green .section-title p {
  color: #8ab89a;
}

/* ===== VIDEO CARDS ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0a1a10;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.06);
}

.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: opacity var(--transition);
}

.video-card:hover .play-btn { opacity: 1; }

.play-btn svg {
  width: 60px;
  height: 60px;
  fill: rgba(255,255,255,0.92);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
  transition: transform var(--transition);
}

.video-card:hover .play-btn svg { transform: scale(1.1); }

.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.8rem;
  padding: 2px 7px;
  border-radius: 4px;
}

.video-info {
  padding: 14px 16px;
}

.video-info h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #e8f5ee;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  color: #6a9a7a;
}

.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== FEATURE CARDS ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  border: 1px solid #e0ede6;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(26,107,58,0.13);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.8rem;
}

.feature-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== EXPERT CARDS ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.expert-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #e0ede6;
  transition: transform var(--transition);
}

.expert-card:hover { transform: translateY(-4px); }

.expert-photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.expert-info { padding: 18px 20px; }

.expert-info h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.expert-role {
  font-size: 0.85rem;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 10px;
}

.expert-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.expert-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }

.tag {
  background: #e8f5ee;
  color: var(--primary);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.expert-btns { display: flex; gap: 10px; }

.btn-sm {
  padding: 7px 16px;
  font-size: 0.85rem;
  border-radius: 20px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-green { background: var(--primary-light); color: #fff; }
.btn-green:hover { background: var(--primary); color: #fff; }
.btn-outline-green { background: transparent; color: var(--primary); border: 1.5px solid var(--primary-light); }
.btn-outline-green:hover { background: var(--primary); color: #fff; }

/* ===== REVIEWS ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  border-left: 4px solid var(--primary-light);
}

.review-stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 10px; }

.review-text {
  font-size: 0.93rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 14px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.review-name { font-weight: 700; font-size: 0.9rem; color: var(--text-main); }
.review-date { font-size: 0.78rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid #d8ece0;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: #f0f8f3;
  border: none;
  padding: 16px 20px;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-question:hover { background: #ddf0e5; }
.faq-question.active { background: var(--primary); color: #fff; }

.faq-arrow {
  font-size: 1.2rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-question.active .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 16px 20px;
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.8;
  background: #fff;
  border-top: 1px solid #d8ece0;
}

.faq-answer.open { display: block; }

/* ===== PARTNER LOGOS ===== */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.partner-item {
  background: #fff;
  border: 1px solid #d8ece0;
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  transition: all var(--transition);
  min-width: 120px;
  text-align: center;
}

.partner-item:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  text-align: center;
}

.stat-item {
  padding: 24px 16px;
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: #8ab89a;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
}

.contact-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #a8e6be;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.92rem;
  color: #8ab89a;
}

.contact-item strong { color: #c8e6d4; }

/* QR codes */
.qr-grid {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
}

.qr-item { text-align: center; }

.qr-box {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  padding: 8px;
  font-size: 0.7rem;
  color: #333;
  overflow: hidden;
}

.qr-box canvas { width: 100% !important; height: 100% !important; }

.qr-label { font-size: 0.82rem; color: #8ab89a; }

/* ===== SHARE BAR ===== */
.share-bar {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
}

.share-label { color: #8ab89a; font-size: 0.9rem; font-weight: 600; }

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  color: #fff;
}

.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #000; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; }

.share-btn:hover { opacity: 0.85; transform: translateY(-1px); }

/* ===== FOOTER ===== */
.site-footer {
  background: #060f09;
  color: #6a9a7a;
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

.footer-brand .logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: #5a7a65;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #a8e6be;
  margin-bottom: 14px;
}

.footer-col ul { list-style: none; }

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: #5a7a65;
  font-size: 0.88rem;
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: #a8e6be; }

.footer-bottom {
  border-top: 1px solid #0f2018;
  padding: 18px 20px;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: #3a5a45;
}

.footer-bottom a { color: #5a7a65; }
.footer-bottom a:hover { color: #a8e6be; }

/* ===== TAGS CLOUD ===== */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.keyword-tag {
  background: #e8f5ee;
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
}

.keyword-tag:hover { background: var(--primary); color: #fff; }

/* ===== TABS ===== */
.tab-nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid #d8ece0;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: -2px;
}

.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== LOADING / LAZY ===== */
img[loading="lazy"] { opacity: 0; transition: opacity 0.4s; }
img[loading="lazy"].loaded { opacity: 1; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: #0d1f14; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-inner { height: 58px; }
  .main-nav { display: none; position: absolute; top: 58px; left: 0; right: 0; background: var(--bg-dark); flex-direction: column; padding: 16px; gap: 4px; border-top: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-content h1 { font-size: 1.9rem; }
  .section { padding: 44px 0; }
  .section-title h2 { font-size: 1.6rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .video-grid { grid-template-columns: 1fr; }
  .share-bar { flex-direction: column; align-items: flex-start; }
}

/* ===== HIDDEN NOISE LAYER (干扰标签容器) ===== */
.noise-layer {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  z-index: -9999;
  visibility: hidden;
}