/* ============================================================
   海角网植物视频社区 - 全站样式表
   主色: #1a7a2e (森林绿)  辅色: #f5a623 (暖金)
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background: #f7f9f5;
  color: #2c3e28;
  line-height: 1.7;
  visibility: visible;
}
a { color: #1a7a2e; text-decoration: none; transition: color .2s; }
a:hover { color: #f5a623; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
input, button, select, textarea { font-family: inherit; }

/* ---- Layout ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section-alt { background: #eef5ea; }
.section-header { text-align: center; margin-bottom: 44px; }
.section-header h2 { font-size: 2rem; color: #1a7a2e; font-weight: 700; margin-bottom: 10px; }
.section-header p { color: #5a7a52; font-size: 1.05rem; }
.section-tag {
  display: inline-block; background: #e8f5e0; color: #1a7a2e;
  font-size: .78rem; font-weight: 600; padding: 3px 12px;
  border-radius: 20px; margin-bottom: 10px; letter-spacing: .05em;
}
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }

/* ---- Top Bar ---- */
.top-bar {
  background: #1a7a2e; color: #fff; font-size: .82rem;
  padding: 7px 0; position: relative; z-index: 100;
}
.top-bar-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.top-bar-links { display: flex; gap: 16px; }
.top-bar-links a { color: #c8f5b0; font-size: .82rem; }
.top-bar-links a:hover { color: #fff; }

/* ---- Header ---- */
.site-header {
  background: #fff; box-shadow: 0 2px 12px rgba(26,122,46,.1);
  position: sticky; top: 0; z-index: 200; transition: box-shadow .3s;
}
.header-inner { display: flex; align-items: center; gap: 20px; padding: 12px 0; flex-wrap: wrap; }
.site-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-img { width: 44px; height: 44px; border-radius: 10px; object-fit: cover; }
.logo-text { font-size: 1.45rem; font-weight: 800; color: #1a7a2e; line-height: 1.1; }
.logo-sub { font-size: .72rem; color: #5a7a52; }

/* ---- Navigation ---- */
.main-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; flex: 1; }
.main-nav a {
  padding: 7px 13px; border-radius: 6px; font-size: .92rem;
  color: #2c3e28; font-weight: 500; transition: all .2s;
}
.main-nav a:hover, .main-nav a.active { background: #e8f5e0; color: #1a7a2e; }
.main-nav a.nav-highlight {
  background: #1a7a2e; color: #fff !important; border-radius: 20px; padding: 7px 18px;
}
.main-nav a.nav-highlight:hover { background: #f5a623; }

/* ---- Search Bar ---- */
.header-search { position: relative; }
.header-search input {
  width: 220px; padding: 8px 40px 8px 14px; border: 1.5px solid #c8e6b0;
  border-radius: 22px; font-size: .9rem; background: #f7f9f5; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.header-search input:focus { border-color: #1a7a2e; box-shadow: 0 0 0 3px rgba(26,122,46,.12); }
.header-search button {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: #5a7a52; padding: 0;
}
.search-hint {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: #fff; border: 1px solid #c8e6b0; border-radius: 10px;
  box-shadow: 0 8px 24px rgba(26,122,46,.12); display: none; z-index: 300;
}
.search-hint.show { display: block; }
.search-hint-item { padding: 10px 16px; cursor: pointer; font-size: .9rem; color: #2c3e28; }
.search-hint-item:hover { background: #f0fae8; color: #1a7a2e; }

/* ---- Mobile Menu ---- */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px; background: none;
  border: none; cursor: pointer; padding: 4px; margin-left: auto;
}
.menu-toggle span { display: block; width: 24px; height: 2.5px; background: #1a7a2e; border-radius: 2px; transition: all .3s; }

/* ---- Hero Banner ---- */
.hero-section {
  position: relative; min-height: 520px; display: flex; align-items: center;
  overflow: hidden; background: #0d4a1a;
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,40,15,.82) 0%, rgba(26,122,46,.55) 60%, rgba(245,166,35,.18) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 80px 0 60px; max-width: 680px; }
.hero-tag {
  display: inline-block; background: rgba(245,166,35,.9); color: #fff;
  font-size: .8rem; font-weight: 700; padding: 4px 14px; border-radius: 20px;
  margin-bottom: 18px; letter-spacing: .06em;
}
.hero-content h1 { font-size: 2.6rem; color: #fff; font-weight: 800; line-height: 1.25; margin-bottom: 18px; }
.hero-content p { font-size: 1.08rem; color: rgba(255,255,255,.88); margin-bottom: 28px; line-height: 1.7; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: #f5a623; color: #fff; padding: 13px 32px; border-radius: 28px;
  font-weight: 700; font-size: 1rem; border: none; cursor: pointer; transition: all .2s;
  display: inline-block;
}
.btn-primary:hover { background: #e09010; color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,166,35,.4); }
.btn-outline {
  background: transparent; color: #fff; padding: 12px 28px; border-radius: 28px;
  font-weight: 600; font-size: 1rem; border: 2px solid rgba(255,255,255,.6);
  cursor: pointer; transition: all .2s; display: inline-block;
}
.btn-outline:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.hero-stats { display: flex; gap: 32px; margin-top: 36px; flex-wrap: wrap; }
.hero-stat .value { font-size: 1.8rem; font-weight: 800; color: #f5a623; }
.hero-stat .label { font-size: .82rem; color: rgba(255,255,255,.7); }

/* ---- Stats Bar ---- */
.stats-bar { background: #1a7a2e; padding: 22px 0; }
.stats-bar-inner { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 16px; }
.stat-item { text-align: center; color: #fff; }
.stat-item .value { font-size: 1.7rem; font-weight: 800; color: #f5a623; }
.stat-item .label { font-size: .82rem; color: rgba(255,255,255,.75); }

/* ---- Video Cards ---- */
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.video-card {
  background: #fff; border-radius: 14px; overflow: hidden;
  box-shadow: 0 2px 12px rgba(26,122,46,.08); transition: transform .25s, box-shadow .25s;
  cursor: pointer;
}
.video-card:hover { transform: translateY(-5px); box-shadow: 0 12px 32px rgba(26,122,46,.18); }
.video-thumb {
  position: relative; overflow: hidden; aspect-ratio: 16/9; background: #1a7a2e;
}
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.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,.3); opacity: 0; transition: opacity .25s;
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn-icon {
  width: 54px; height: 54px; background: rgba(245,166,35,.92); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.play-btn-icon svg { margin-left: 4px; }
.video-badge {
  position: absolute; top: 10px; left: 10px; background: #1a7a2e; color: #fff;
  font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 12px;
}
.video-duration {
  position: absolute; bottom: 8px; right: 10px; background: rgba(0,0,0,.65);
  color: #fff; font-size: .75rem; padding: 2px 8px; border-radius: 8px;
}
.video-info { padding: 14px 16px 16px; }
.video-tag {
  display: inline-block; background: #e8f5e0; color: #1a7a2e;
  font-size: .72rem; padding: 2px 10px; border-radius: 12px; margin-bottom: 8px;
}
.video-info h3 { font-size: 1rem; font-weight: 600; color: #2c3e28; margin-bottom: 6px; line-height: 1.4; }
.video-info p { font-size: .85rem; color: #5a7a52; margin-bottom: 10px; }
.video-meta { display: flex; gap: 14px; font-size: .8rem; color: #8aaa7a; }
.views::before { content: "▶ "; }
.likes::before { content: "♥ "; }
.comments::before { content: "💬 "; }

/* ---- Feature Cards ---- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.feature-card {
  background: #fff; border-radius: 14px; padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(26,122,46,.07); transition: transform .25s, box-shadow .25s;
  border-top: 4px solid #1a7a2e;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(26,122,46,.14); }
.feature-icon { font-size: 2.2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; color: #1a7a2e; margin-bottom: 8px; }
.feature-card p { font-size: .9rem; color: #5a7a52; line-height: 1.6; }

/* ---- Expert Cards ---- */
.experts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px; }
.expert-card {
  background: #fff; border-radius: 16px; padding: 28px 22px; text-align: center;
  box-shadow: 0 2px 14px rgba(26,122,46,.08); transition: transform .25s;
}
.expert-card:hover { transform: translateY(-5px); }
.expert-avatar { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; border: 3px solid #c8e6b0; }
.expert-card h3 { font-size: 1.1rem; font-weight: 700; color: #1a7a2e; margin-bottom: 4px; }
.expert-role { font-size: .82rem; color: #f5a623; font-weight: 600; margin-bottom: 8px; }
.expert-desc { font-size: .88rem; color: #5a7a52; line-height: 1.6; margin-bottom: 14px; }
.expert-awards { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.expert-award { background: #e8f5e0; color: #1a7a2e; font-size: .72rem; padding: 3px 10px; border-radius: 12px; }
.expert-btns { display: flex; gap: 8px; justify-content: center; }
.btn-sm { padding: 6px 16px; border-radius: 16px; font-size: .82rem; font-weight: 600; cursor: pointer; border: none; transition: all .2s; }
.btn-sm-primary { background: #1a7a2e; color: #fff; }
.btn-sm-primary:hover { background: #f5a623; }
.btn-sm-outline { background: transparent; color: #1a7a2e; border: 1.5px solid #1a7a2e; }
.btn-sm-outline:hover { background: #e8f5e0; }
.expert-social { display: flex; gap: 10px; justify-content: center; margin-top: 10px; font-size: .8rem; color: #8aaa7a; }

/* ---- AI Section ---- */
.ai-section { background: linear-gradient(135deg, #0d4a1a 0%, #1a7a2e 60%, #2d9e4a 100%); }
.ai-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.ai-card {
  background: rgba(255,255,255,.1); border-radius: 14px; padding: 26px 20px;
  border: 1px solid rgba(255,255,255,.15); transition: background .25s;
}
.ai-card:hover { background: rgba(255,255,255,.18); }
.ai-card-icon { font-size: 2rem; margin-bottom: 12px; }
.ai-card h3 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.ai-card p { font-size: .88rem; color: rgba(255,255,255,.78); line-height: 1.6; }
.ai-tag { background: rgba(245,166,35,.25); color: #f5a623; font-size: .72rem; padding: 2px 10px; border-radius: 12px; display: inline-block; margin-top: 10px; }

/* ---- Community Features ---- */
.community-features { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
.feature-card.comm { border-top-color: #f5a623; }

/* ---- Partners ---- */
.partners-grid { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; align-items: center; }
.partner-item {
  background: #fff; border-radius: 10px; padding: 14px 22px; font-size: .9rem;
  font-weight: 600; color: #1a7a2e; box-shadow: 0 2px 8px rgba(26,122,46,.08);
  border: 1.5px solid #c8e6b0; transition: all .2s;
}
.partner-item:hover { background: #1a7a2e; color: #fff; border-color: #1a7a2e; }

/* ---- How-To Steps ---- */
.how-to-steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.how-to-step {
  background: #fff; border-radius: 14px; padding: 24px 20px; text-align: center;
  box-shadow: 0 2px 10px rgba(26,122,46,.07);
}
.how-to-step .num {
  width: 48px; height: 48px; background: #1a7a2e; color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; margin: 0 auto 14px;
}
.how-to-step h4 { font-size: 1rem; font-weight: 700; color: #1a7a2e; margin-bottom: 8px; }
.how-to-step p { font-size: .88rem; color: #5a7a52; }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border-radius: 12px; box-shadow: 0 2px 8px rgba(26,122,46,.07); overflow: hidden; }
h5.faq-question {
  padding: 18px 22px; cursor: pointer; font-size: 1rem; font-weight: 600;
  color: #1a7a2e; display: flex; justify-content: space-between; align-items: center;
  margin: 0; line-height: 1.5; width: 100%; user-select: none;
}
h5.faq-question::after { content: "+"; font-size: 1.4rem; color: #f5a623; transition: transform .3s; flex-shrink: 0; }
h5.faq-question.open::after { transform: rotate(45deg); }
.faq-answer { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s; }
.faq-answer.open { max-height: 300px; padding: 0 22px 18px; }
.faq-answer p { font-size: .92rem; color: #5a7a52; line-height: 1.7; }

/* ---- Reviews ---- */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }
.review-card {
  background: #fff; border-radius: 14px; padding: 22px 20px;
  box-shadow: 0 2px 10px rgba(26,122,46,.07); border-left: 4px solid #1a7a2e;
}
.review-stars { color: #f5a623; font-size: 1rem; margin-bottom: 10px; }
.review-text { font-size: .92rem; color: #3a5a32; line-height: 1.7; margin-bottom: 14px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-author img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.review-author-info .name { font-weight: 700; font-size: .9rem; color: #1a7a2e; }
.review-author-info .role { font-size: .78rem; color: #8aaa7a; }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.contact-item {
  background: #fff; border-radius: 14px; padding: 22px 20px;
  box-shadow: 0 2px 10px rgba(26,122,46,.07); display: flex; gap: 14px; align-items: flex-start;
}
.contact-item-icon { font-size: 1.8rem; flex-shrink: 0; }
.contact-item-text h4 { font-size: .95rem; font-weight: 700; color: #1a7a2e; margin-bottom: 4px; }
.contact-item-text p { font-size: .88rem; color: #5a7a52; }

/* ---- QR Codes ---- */
.qr-codes { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; margin-top: 28px; }
.qr-item { text-align: center; }
.qr-img {
  width: 120px; height: 120px; background: #e8f5e0; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; color: #5a7a52; border: 2px solid #c8e6b0;
  margin: 0 auto 8px;
}
.qr-label { font-size: .82rem; color: #5a7a52; font-weight: 600; }

/* ---- Share Bar ---- */
.share-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.share-label { font-size: .88rem; color: #5a7a52; font-weight: 600; }
.share-btn {
  padding: 7px 18px; border-radius: 20px; font-size: .82rem; font-weight: 600;
  cursor: pointer; border: none; transition: all .2s; color: #fff;
}
.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #010101; }
.share-bilibili { background: #00a1d6; }
.share-btn:hover { opacity: .85; transform: translateY(-1px); }

/* ---- Tag Cloud ---- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.tag-item {
  background: #e8f5e0; color: #1a7a2e; padding: 6px 16px; border-radius: 20px;
  font-size: .88rem; font-weight: 500; transition: all .2s; cursor: pointer;
}
.tag-item:hover { background: #1a7a2e; color: #fff; }

/* ---- Breadcrumb ---- */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: #8aaa7a; padding: 12px 0; flex-wrap: wrap; }
.breadcrumb a { color: #1a7a2e; }
.breadcrumb-sep { color: #c8e6b0; }

/* ---- Page Banner ---- */
.page-banner {
  background: linear-gradient(135deg, #0d4a1a, #1a7a2e);
  padding: 50px 0 40px; text-align: center;
}
.page-banner-content h1 { font-size: 2rem; color: #fff; font-weight: 800; margin-bottom: 10px; }
.page-banner-content p { color: rgba(255,255,255,.8); font-size: 1rem; }
.page-btn { display: inline-block; margin-top: 18px; padding: 10px 28px; background: #f5a623; color: #fff; border-radius: 22px; font-weight: 700; font-size: .95rem; }
.page-btn:hover { background: #e09010; color: #fff; }

/* ---- Pagination ---- */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.pagination a, .pagination span {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border-radius: 8px; font-size: .9rem; font-weight: 600; border: 1.5px solid #c8e6b0;
  color: #1a7a2e; transition: all .2s;
}
.pagination a:hover, .pagination .active { background: #1a7a2e; color: #fff; border-color: #1a7a2e; }

/* ---- Sidebar ---- */
.content-with-sidebar { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.sidebar-widget { background: #fff; border-radius: 14px; padding: 20px; box-shadow: 0 2px 10px rgba(26,122,46,.07); margin-bottom: 22px; }
.sidebar-widget h3 { font-size: 1rem; font-weight: 700; color: #1a7a2e; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid #e8f5e0; }
.hot-list { display: flex; flex-direction: column; gap: 10px; }
.hot-list li { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: #3a5a32; }
.hot-rank { width: 22px; height: 22px; background: #1a7a2e; color: #fff; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: .72rem; font-weight: 700; flex-shrink: 0; }
.hot-list li:nth-child(1) .hot-rank { background: #e74c3c; }
.hot-list li:nth-child(2) .hot-rank { background: #f5a623; }
.hot-list li:nth-child(3) .hot-rank { background: #2ecc71; }

/* ---- Category Tabs ---- */
.category-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.cat-tab {
  padding: 8px 20px; border-radius: 22px; font-size: .88rem; font-weight: 600;
  cursor: pointer; border: 1.5px solid #c8e6b0; color: #1a7a2e; background: #fff;
  transition: all .2s;
}
.cat-tab.active, .cat-tab:hover { background: #1a7a2e; color: #fff; border-color: #1a7a2e; }

/* ---- Photo Grid ---- */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.photo-card { border-radius: 12px; overflow: hidden; position: relative; aspect-ratio: 1; cursor: pointer; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.photo-card:hover img { transform: scale(1.08); }
.photo-card-overlay {
  position: absolute; inset: 0; background: rgba(10,40,15,.5);
  display: flex; align-items: flex-end; padding: 12px;
  opacity: 0; transition: opacity .3s;
}
.photo-card:hover .photo-card-overlay { opacity: 1; }
.photo-card-overlay span { color: #fff; font-size: .82rem; font-weight: 600; }

/* ---- Live Badge ---- */
.live-badge { display: inline-flex; align-items: center; gap: 6px; background: #e74c3c; color: #fff; font-size: .78rem; font-weight: 700; padding: 3px 12px; border-radius: 12px; }
.live-dot { width: 7px; height: 7px; background: #fff; border-radius: 50%; animation: blink 1.2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ---- Modal ---- */
#video-modal {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.85);
  z-index: 9999; align-items: center; justify-content: center;
}
#video-modal.open { display: flex; }
#video-modal .modal-inner {
  background: #111; border-radius: 16px; padding: 20px; max-width: 760px; width: 95%;
  position: relative;
}
.modal-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none;
  color: #fff; font-size: 1.6rem; cursor: pointer; line-height: 1;
}
#modal-title { color: #fff; font-size: 1.1rem; font-weight: 700; margin-bottom: 14px; }
.modal-video-placeholder {
  width: 100%; aspect-ratio: 16/9; background: #1a7a2e;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; color: #fff; font-size: 1.1rem;
}

/* ---- Notification ---- */
#notif-bar {
  position: fixed; bottom: 24px; left: 24px; background: #fff;
  border-radius: 12px; padding: 14px 18px; box-shadow: 0 8px 28px rgba(26,122,46,.18);
  display: flex; align-items: center; gap: 12px; z-index: 8888;
  border-left: 4px solid #1a7a2e; max-width: 320px;
  transform: translateX(-120%); transition: transform .4s;
}
#notif-bar.show { transform: translateX(0); }
.notif-text { font-size: .88rem; color: #2c3e28; }
.notification-close { background: none; border: none; cursor: pointer; color: #8aaa7a; font-size: 1.1rem; margin-left: auto; }

/* ---- Back to Top ---- */
#back-top {
  position: fixed; bottom: 28px; right: 24px; width: 44px; height: 44px;
  background: #1a7a2e; color: #fff; border-radius: 50%; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(26,122,46,.3); opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s;
}
#back-top.visible { opacity: 1; pointer-events: auto; }
#back-top:hover { background: #f5a623; transform: translateY(-3px); }

/* ---- Footer ---- */
.site-footer { background: #0d2e12; color: rgba(255,255,255,.8); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid rgba(245,166,35,.3); }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: .88rem; transition: color .2s; }
.footer-col ul li a:hover { color: #f5a623; }
.footer-brand .logo-text { color: #fff; font-size: 1.4rem; }
.footer-brand .logo-sub { color: rgba(255,255,255,.5); }
.footer-brand p { font-size: .88rem; color: rgba(255,255,255,.6); margin-top: 12px; line-height: 1.7; }
.footer-logo-bottom { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; font-size: .82rem; color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: #f5a623; }

/* ---- About Intro ---- */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-intro img { border-radius: 16px; }
.about-intro h2 { font-size: 1.8rem; color: #1a7a2e; font-weight: 800; margin-bottom: 16px; }
.about-intro p { font-size: .95rem; color: #5a7a52; line-height: 1.8; margin-bottom: 12px; }
.contact-info { background: #e8f5e0; border-radius: 14px; padding: 22px; margin-top: 18px; }
.contact-info h4 { color: #1a7a2e; font-weight: 700; margin-bottom: 10px; }
.contact-info p { font-size: .9rem; color: #3a5a32; margin-bottom: 6px; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-with-sidebar { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-content h1 { font-size: 1.8rem; }
  .main-nav { display: none; flex-direction: column; width: 100%; background: #fff; padding: 12px 0; }
  .main-nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-search { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 44px 0; }
  .hero-stats { gap: 18px; }
  .stats-bar-inner { gap: 24px; }
}
@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; }
  .video-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr; }
}