/* 国产 - 植物视频社区 | bdkubk.cn */
/* ===== 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;color:#2c3e2d;background:#fff;line-height:1.7}
a{color:#2d7a3a;text-decoration:none;transition:color .3s}
a:hover{color:#1a5c28}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;outline:none}

/* ===== CSS VARIABLES ===== */
:root{
  --green-dark:#1a5c28;
  --green-main:#2d7a3a;
  --green-light:#4caf50;
  --green-pale:#e8f5e9;
  --green-bg:#f1f8f2;
  --aegean-blue:#1565c0;
  --aegean-light:#42a5f5;
  --text-dark:#1c2b1d;
  --text-mid:#4a5e4b;
  --text-light:#7a8c7b;
  --white:#ffffff;
  --shadow-sm:0 2px 8px rgba(0,0,0,.08);
  --shadow-md:0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:0 8px 40px rgba(0,0,0,.16);
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --transition:.3s ease;
}

/* ===== LAYOUT ===== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.section-title{font-size:2rem;font-weight:700;color:var(--green-dark);text-align:center;margin-bottom:12px}
.section-title span{color:var(--green-light)}
.section-sub{text-align:center;color:var(--text-mid);font-size:1rem;margin-bottom:50px;max-width:600px;margin-left:auto;margin-right:auto}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flex{display:flex;align-items:center}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}

/* ===== HEADER ===== */
#site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);transition:background var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;padding:0 30px;max-width:1400px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:44px;height:44px;border-radius:8px;object-fit:contain}
.logo-text{font-size:1.5rem;font-weight:800;color:var(--green-dark);letter-spacing:1px}
.logo-text span{color:var(--green-light)}

/* ===== NAV ===== */
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:8px 16px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:500;color:var(--text-dark);transition:all var(--transition)}
.main-nav a:hover,.main-nav a.active{background:var(--green-pale);color:var(--green-dark)}
.nav-dropdown{position:relative}
.nav-dropdown .dropdown-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-md);min-width:160px;padding:8px 0;z-index:200}
.nav-dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:10px 20px;color:var(--text-dark);font-size:.9rem;transition:background var(--transition)}
.dropdown-menu a:hover{background:var(--green-pale);color:var(--green-dark)}

/* ===== SEARCH BAR ===== */
.search-bar-wrap{background:var(--green-bg);padding:12px 0;border-bottom:1px solid #d4e8d6}
.search-bar{display:flex;align-items:center;max-width:700px;margin:0 auto;background:#fff;border-radius:30px;border:2px solid var(--green-light);overflow:hidden;box-shadow:var(--shadow-sm)}
.search-bar input{flex:1;border:none;outline:none;padding:10px 20px;font-size:1rem;color:var(--text-dark);background:transparent}
.search-bar button{background:var(--green-main);color:#fff;padding:10px 24px;font-size:.95rem;font-weight:600;border-radius:0 28px 28px 0;transition:background var(--transition)}
.search-bar button:hover{background:var(--green-dark)}

/* ===== HERO BANNER ===== */
#hero{position:relative;height:100vh;min-height:600px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:70px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,92,40,.7) 0%,rgba(0,0,0,.3) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 20px;max-width:900px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);border-radius:20px;padding:6px 18px;font-size:.85rem;margin-bottom:20px;backdrop-filter:blur(6px)}
.hero-title{font-size:3.5rem;font-weight:900;line-height:1.2;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-title .brand{color:#a5d6a7}
.hero-desc{font-size:1.2rem;opacity:.92;margin-bottom:32px;line-height:1.8;max-width:700px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:var(--green-light);color:#fff;padding:14px 36px;border-radius:30px;font-size:1rem;font-weight:700;box-shadow:0 4px 20px rgba(76,175,80,.4);transition:all var(--transition)}
.btn-primary:hover{background:var(--green-main);transform:translateY(-2px);box-shadow:0 6px 28px rgba(76,175,80,.5);color:#fff}
.btn-outline{background:transparent;color:#fff;padding:14px 36px;border-radius:30px;font-size:1rem;font-weight:700;border:2px solid rgba(255,255,255,.7);transition:all var(--transition)}
.btn-outline:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.hero-stats{display:flex;gap:40px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-num{font-size:2rem;font-weight:800;color:#a5d6a7}
.stat-label{font-size:.85rem;opacity:.8}

/* ===== VIDEO CARDS ===== */
.video-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#1a1a1a}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .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;opacity:0;transition:opacity var(--transition);background:rgba(0,0,0,.35)}
.video-card:hover .play-btn{opacity:1}
.play-icon{width:60px;height:60px;background:rgba(255,255,255,.92);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.play-icon::after{content:'';border-left:22px solid var(--green-dark);border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:5px}
.video-meta{padding:14px 16px}
.video-tag{display:inline-block;background:var(--green-pale);color:var(--green-dark);font-size:.75rem;padding:3px 10px;border-radius:12px;margin-bottom:8px;font-weight:600}
.video-title{font-size:.95rem;font-weight:700;color:var(--text-dark);margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-stats{display:flex;gap:14px;font-size:.8rem;color:var(--text-light)}
.video-stats span::before{margin-right:4px}
.v-views::before{content:'▶'}
.v-likes::before{content:'♥'}
.v-comments::before{content:'💬'}
.video-duration{position:absolute;bottom:8px;right:10px;background:rgba(0,0,0,.7);color:#fff;font-size:.75rem;padding:2px 8px;border-radius:4px}

/* ===== SECTION CARDS ===== */
.feature-card{background:#fff;border-radius:var(--radius-md);padding:28px 24px;box-shadow:var(--shadow-sm);transition:all var(--transition);border:1px solid #e8f0e9}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--green-light)}
.feature-icon{width:56px;height:56px;border-radius:14px;background:var(--green-pale);display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:16px}
.feature-title{font-size:1.05rem;font-weight:700;color:var(--green-dark);margin-bottom:8px}
.feature-desc{font-size:.9rem;color:var(--text-mid);line-height:1.7}

/* ===== EXPERT CARDS ===== */
.expert-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition)}
.expert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.expert-img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-body{padding:20px}
.expert-name{font-size:1.1rem;font-weight:800;color:var(--green-dark);margin-bottom:4px}
.expert-role{font-size:.85rem;color:var(--green-light);font-weight:600;margin-bottom:10px}
.expert-desc{font-size:.88rem;color:var(--text-mid);line-height:1.6;margin-bottom:14px}
.expert-awards{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.award-tag{background:linear-gradient(135deg,#fff8e1,#fff3cd);color:#8a6d00;font-size:.75rem;padding:3px 10px;border-radius:10px;border:1px solid #ffd54f}
.expert-btns{display:flex;gap:10px}
.btn-sm{padding:7px 16px;border-radius:20px;font-size:.82rem;font-weight:600;transition:all var(--transition)}
.btn-green{background:var(--green-main);color:#fff}
.btn-green:hover{background:var(--green-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--green-main);border:1.5px solid var(--green-main)}
.btn-ghost:hover{background:var(--green-pale)}

/* ===== REVIEW CARDS ===== */
.review-card{background:#fff;border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);border:1px solid #e8f0e9;transition:all var(--transition)}
.review-card:hover{box-shadow:var(--shadow-md)}
.review-stars{color:#ffc107;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:.92rem;color:var(--text-mid);line-height:1.7;margin-bottom:14px;font-style:italic}
.reviewer{display:flex;align-items:center;gap:10px}
.reviewer-avatar{width:40px;height:40px;border-radius:50%;background:var(--green-pale);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:var(--green-dark)}
.reviewer-name{font-size:.9rem;font-weight:700;color:var(--text-dark)}
.reviewer-date{font-size:.78rem;color:var(--text-light)}

/* ===== FAQ ===== */
.faq-item{border:1px solid #e0ece1;border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:all var(--transition)}
.faq-item.open{border-color:var(--green-light);box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;font-weight:700;color:var(--text-dark);font-size:.97rem;background:#fff;transition:background var(--transition)}
.faq-q:hover{background:var(--green-bg)}
.faq-icon{width:24px;height:24px;border-radius:50%;background:var(--green-pale);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;transition:transform var(--transition);flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--green-main);color:#fff}
.faq-a{display:none;padding:0 22px 18px;color:var(--text-mid);font-size:.92rem;line-height:1.8;background:#fff}
.faq-item.open .faq-a{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 #e0ece1;border-radius:var(--radius-md);padding:16px 28px;font-size:.9rem;font-weight:700;color:var(--text-mid);transition:all var(--transition);min-width:120px;text-align:center}
.partner-item:hover{border-color:var(--green-light);color:var(--green-dark);box-shadow:var(--shadow-sm)}

/* ===== CONTACT ===== */
.contact-card{background:linear-gradient(135deg,var(--green-pale),#fff);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-sm);border:1px solid #c8e6c9}
.contact-icon{font-size:2rem;margin-bottom:12px}
.contact-label{font-size:.85rem;color:var(--text-light);margin-bottom:4px}
.contact-value{font-size:1rem;font-weight:700;color:var(--green-dark)}

/* ===== SOCIAL SHARE ===== */
.share-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.share-btn{display:flex;align-items:center;gap:8px;padding:10px 22px;border-radius:24px;font-size:.88rem;font-weight:600;transition:all var(--transition);cursor:pointer}
.share-wechat{background:#07c160;color:#fff}
.share-weibo{background:#e6162d;color:#fff}
.share-douyin{background:#010101;color:#fff}
.share-bilibili{background:#00a1d6;color:#fff}
.share-btn:hover{opacity:.85;transform:translateY(-2px)}

/* ===== FOOTER ===== */
#site-footer{background:linear-gradient(180deg,#1a2e1c 0%,#0d1f0f 100%);color:#a5c8a8;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;font-size:1.4rem}
.footer-brand p{margin-top:12px;font-size:.88rem;line-height:1.8;color:#7a9c7b}
.footer-col h4{color:#fff;font-size:.95rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col a{display:block;color:#7a9c7b;font-size:.87rem;margin-bottom:8px;transition:color var(--transition)}
.footer-col a:hover{color:#a5d6a7}
.footer-qr{display:flex;gap:20px;margin-top:16px}
.qr-item{text-align:center}
.qr-item img{width:80px;height:80px;border-radius:8px;border:2px solid rgba(255,255,255,.1)}
.qr-item p{font-size:.75rem;color:#7a9c7b;margin-top:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:gap}
.footer-bottom p{font-size:.83rem;color:#5a7c5b}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:.83rem;color:#5a7c5b;transition:color var(--transition)}
.footer-links a:hover{color:#a5d6a7}

/* ===== BREADCRUMB ===== */
.breadcrumb{padding:14px 0;font-size:.88rem;color:var(--text-light)}
.breadcrumb a{color:var(--green-main)}
.breadcrumb span{margin:0 8px;color:#ccc}

/* ===== TAGS ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{background:var(--green-pale);color:var(--green-dark);padding:5px 14px;border-radius:16px;font-size:.82rem;font-weight:600;transition:all var(--transition)}
.tag:hover{background:var(--green-main);color:#fff}

/* ===== AI SECTION ===== */
.ai-card{background:linear-gradient(135deg,#0d1f0f,#1a3d1c);border-radius:var(--radius-lg);padding:32px;color:#fff;position:relative;overflow:hidden}
.ai-card::before{content:'';position:absolute;top:-40px;right:-40px;width:180px;height:180px;background:radial-gradient(circle,rgba(76,175,80,.3),transparent);border-radius:50%}
.ai-card h3{font-size:1.2rem;font-weight:800;margin-bottom:10px;color:#a5d6a7}
.ai-card p{font-size:.9rem;opacity:.8;line-height:1.7}
.ai-badge{display:inline-block;background:rgba(76,175,80,.2);border:1px solid rgba(76,175,80,.4);color:#a5d6a7;font-size:.75rem;padding:3px 12px;border-radius:12px;margin-bottom:12px}

/* ===== MOBILE MENU ===== */
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--green-dark);border-radius:2px;transition:all var(--transition)}

/* ===== SCROLL TOP ===== */
#scroll-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--green-main);color:#fff;border-radius:50%;display:none;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;box-shadow:var(--shadow-md);z-index:999;transition:all var(--transition)}
#scroll-top:hover{background:var(--green-dark);transform:translateY(-3px)}
#scroll-top.show{display:flex}

/* ===== HIGHLIGHT BAND ===== */
.highlight-band{background:linear-gradient(90deg,var(--green-dark),var(--green-main),var(--green-light));padding:14px 0;text-align:center;color:#fff;font-size:.92rem;font-weight:600;overflow:hidden}
.marquee-text{display:inline-block;white-space:nowrap;animation:marquee 30s linear infinite}
@keyframes marquee{0%{transform:translateX(100vw)}100%{transform:translateX(-100%)}}

/* ===== LOADING LAZY ===== */
img[data-src]{opacity:0;transition:opacity .4s}
img.loaded{opacity:1}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .hero-title{font-size:2.2rem}
  .hero-desc{font-size:1rem}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .section{padding:50px 0}
  .section-title{font-size:1.6rem}
  .main-nav{display:none;position:fixed;top:70px;left:0;width:100%;background:#fff;flex-direction:column;padding:20px;box-shadow:var(--shadow-md);gap:4px;z-index:999}
  .main-nav.open{display:flex}
  .menu-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .stat-num{font-size:1.5rem}
  #hero{height:auto;padding:100px 0 60px;min-height:auto}
}
@media(max-width:480px){
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .hero-btns{flex-direction:column;align-items:center}
  .container{padding:0 15px}
}

/* ===== UTILITY ===== */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mt-40{margin-top:40px}
.mb-20{margin-bottom:20px}
.mb-40{margin-bottom:40px}
.bg-green{background:var(--green-bg)}
.bg-dark{background:#0d1f0f}
.rounded{border-radius:var(--radius-md)}
.shadow{box-shadow:var(--shadow-md)}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ===补充样式 - 国产植物视频社区=== */

/* 干扰标签绝对隐藏 - 不破坏布局 */
body > div[id^="x"],body > div[id^="y"],body > div[id^="z"],
body > div[id^="a"],body > div[id^="b"],body > div[id^="c"],
body > div[id^="d"],body > div[id^="e"],body > div[id^="f"],
body > div[id^="g"],body > div[id^="h"],body > div[id^="i"],
body > div[id^="j"],body > div[id^="k"],body > div[id^="l"],
body > div[id^="m"],body > div[id^="n"],body > div[id^="o"],
body > div[id^="p"],body > div[id^="q"],body > div[id^="r"],
body > div[id^="s"],body > div[id^="t"],body > div[id^="u"],
body > div[id^="v"],body > div[id^="w"],
body > div[class^="x"],body > div[class^="y"],body > div[class^="z"],
body > div[class^="a"],body > div[class^="b"],body > div[class^="c"],
body > div[class^="d"],body > div[class^="e"],body > div[class^="f"],
body > div[class^="g"],body > div[class^="h"],body > div[class^="i"],
body > div[class^="j"],body > div[class^="k"],body > div[class^="l"],
body > div[class^="m"],body > div[class^="n"],body > div[class^="o"],
body > div[class^="p"],body > div[class^="q"],body > div[class^="r"],
body > div[class^="s"],body > div[class^="t"],body > div[class^="u"],
body > div[class^="v"],body > div[class^="w"]{
  position:absolute !important;
  width:1px !important;height:1px !important;
  overflow:hidden !important;clip:rect(0,0,0,0) !important;
  white-space:nowrap !important;border:0 !important;
  opacity:0 !important;pointer-events:none !important;
  z-index:-9999 !important;
}

/* HERO BANNER 覆盖 */
.hero-banner{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:70px}
.hero-banner .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-attachment:fixed}
.hero-banner .hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,92,40,.88),rgba(45,122,58,.72),rgba(26,92,40,.85))}
.hero-banner .hero-content{position:relative;z-index:2;text-align:center;color:#fff;max-width:900px;padding:40px 20px}
.hero-banner .hero-badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:30px;padding:6px 20px;font-size:.85rem;margin-bottom:24px}
.hero-banner .hero-title{font-size:clamp(2.2rem,5vw,4rem);font-weight:900;line-height:1.15;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-banner .hero-title span{color:#a5d6a7}
.hero-banner .hero-subtitle{font-size:clamp(.95rem,2vw,1.3rem);font-weight:600;margin-bottom:20px;opacity:.95;letter-spacing:1px}
.hero-banner .hero-desc{font-size:.93rem;line-height:1.85;max-width:700px;margin:0 auto 32px;opacity:.88}
.hero-banner .hero-stats{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.hero-banner .hero-stat{text-align:center}
.hero-banner .stat-num{display:block;font-size:clamp(1.4rem,2.5vw,2rem);font-weight:900;color:#a5d6a7}
.hero-banner .stat-label{font-size:.8rem;opacity:.8;margin-top:4px}
.hero-banner .hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-banner .btn-hero-primary{background:#4caf50;color:#fff;padding:14px 36px;border-radius:30px;font-weight:700;font-size:1rem;transition:all .25s;box-shadow:0 4px 20px rgba(76,175,80,.4)}
.hero-banner .btn-hero-primary:hover{background:#2d7a3a;transform:translateY(-2px);color:#fff}
.hero-banner .btn-hero-ghost{background:rgba(255,255,255,.15);color:#fff;padding:14px 36px;border-radius:30px;font-weight:700;font-size:1rem;border:2px solid rgba(255,255,255,.5);transition:all .25s}
.hero-banner .btn-hero-ghost:hover{background:rgba(255,255,255,.25);color:#fff}
.hero-scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.6);font-size:1.5rem;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(10px)}}

/* 关键词条 */
.kw-strip{background:#1a5c28;padding:14px 0}
.kw-list{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.kw-list a{color:rgba(255,255,255,.8);font-size:.82rem;padding:4px 12px;border-radius:20px;border:1px solid rgba(255,255,255,.2);transition:all .25s}
.kw-list a:hover{background:rgba(255,255,255,.15);color:#fff}

/* 视频标签切换 */
.video-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.tab-btn{padding:8px 18px;border-radius:20px;border:2px solid #2d7a3a;background:#fff;color:#2d7a3a;font-size:.85rem;font-weight:600;transition:all .25s;cursor:pointer}
.tab-btn.active,.tab-btn:hover{background:#2d7a3a;color:#fff}
.video-card.hidden-tab{display:none}

/* AI卡片覆盖 */
.ai-section{background:linear-gradient(135deg,#0d3b1e,#1a5c28)}
.ai-section .section-title{color:#fff}
.ai-section .section-title span{color:#a5d6a7}
.ai-section .section-sub{color:rgba(255,255,255,.75)}
.ai-card-new{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:28px;backdrop-filter:blur(8px);transition:all .25s}
.ai-card-new:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.ai-card-new .ai-icon{font-size:2.5rem;margin-bottom:16px}
.ai-card-new h3{font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:12px}
.ai-card-new p{font-size:.88rem;color:rgba(255,255,255,.8);line-height:1.7;margin-bottom:16px}
.ai-demo{margin-bottom:20px}
.ai-demo-bar{background:rgba(255,255,255,.12);border-radius:20px;padding:6px 14px;font-size:.78rem;color:rgba(255,255,255,.8);margin-bottom:6px}

/* 话题条目 */
.topic-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-radius:8px;margin-bottom:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:all .25s}
.topic-item:hover{box-shadow:0 4px 20px rgba(0,0,0,.12);transform:translateX(4px)}
.topic-tag{background:#2d7a3a;color:#fff;padding:4px 12px;border-radius:20px;font-size:.82rem;font-weight:600}
.topic-stats{display:flex;gap:16px;font-size:.8rem;color:#7a8c7b}

/* 文章卡片 */
.article-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:all .25s;display:flex;gap:16px;border:1px solid #e8f0e9}
.article-card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.article-icon{font-size:2rem;flex-shrink:0}
.article-body{flex:1}
.article-cat{display:inline-block;background:#f1f8f2;color:#2d7a3a;font-size:.75rem;padding:2px 8px;border-radius:4px;margin-bottom:8px;font-weight:600}
.article-title{font-size:.95rem;font-weight:700;color:#1c2b1d;margin-bottom:8px;line-height:1.5}
.article-desc{font-size:.83rem;color:#4a5e4b;line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-footer{display:flex;align-items:center;justify-content:space-between}
.article-date{font-size:.78rem;color:#7a8c7b}

/* 媒体卡片 */
.media-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:all .25s;display:flex;flex-direction:column}
.media-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.media-body{padding:16px;flex:1;display:flex;flex-direction:column}
.media-title{font-size:1rem;font-weight:700;color:#1c2b1d;margin:8px 0}
.media-desc{font-size:.85rem;color:#4a5e4b;line-height:1.7;flex:1;margin-bottom:12px}

/* 按钮补充 */
.btn-main{display:inline-block;background:#2d7a3a;color:#fff;padding:12px 32px;border-radius:30px;font-weight:700;font-size:.95rem;transition:all .25s;border:none}
.btn-main:hover{background:#1a5c28;transform:translateY(-2px);box-shadow:0 6px 20px rgba(45,122,58,.35);color:#fff}

/* 搜索提示 */
#search-tip{text-align:center;padding:6px;font-size:.85rem;color:#2d7a3a}

/* 视频弹窗 */
#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}

/* 回到顶部覆盖 */
#scroll-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:#2d7a3a;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;cursor:pointer;box-shadow:0 4px 16px rgba(45,122,58,.4);opacity:0;transition:all .25s;z-index:500;pointer-events:none}
#scroll-top.show{opacity:1;pointer-events:auto}
#scroll-top:hover{background:#1a5c28;transform:translateY(-3px)}

/* ===== 用户评价模块 ===== */
.reviewer{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid #f0f4f0}
.reviewer-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2d7a3a,#4caf50);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;flex-shrink:0}
.reviewer-name{font-weight:700;color:#1c2b1d;font-size:.9rem}
.reviewer-date{font-size:.78rem;color:#7a8c7b;margin-top:2px}
.review-stars{color:#f5a623;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:.88rem;color:#4a5e4b;line-height:1.75;flex:1}

/* ===== 分享按钮颜色 ===== */
.share-wechat{background:#07c160;color:#fff}
.share-weibo{background:#e6162d;color:#fff}
.share-douyin{background:#010101;color:#fff}
.share-bilibili{background:#00a1d6;color:#fff}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:.85rem;color:#7a8c7b;flex-wrap:wrap}
.breadcrumb a{color:#2d7a3a;transition:color .2s}
.breadcrumb a:hover{color:#1a5c28}
.breadcrumb span{color:#7a8c7b}

/* ===== 视频卡片补充 ===== */
.video-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#1a2e1c}
.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 .3s}
.video-card:hover .play-btn{opacity:1}
.play-icon{width:52px;height:52px;background:rgba(255,255,255,.92);border-radius:50%;display:flex;align-items:center;justify-content:center}
.play-icon::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #2d7a3a;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;font-size:.75rem;padding:2px 7px;border-radius:4px}
.video-meta{padding:14px}
.video-tag{display:inline-block;background:#e8f5e9;color:#2d7a3a;font-size:.72rem;padding:2px 8px;border-radius:4px;margin-bottom:8px;font-weight:600}
.video-title{font-size:.9rem;font-weight:700;color:#1c2b1d;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-stats{display:flex;gap:12px;font-size:.78rem;color:#7a8c7b}
.v-views::before{content:'👁 '}
.v-likes::before{content:'❤ '}
.v-comments::before{content:'💬 '}

/* ===== 特性卡片 ===== */
.feature-card{background:#fff;border-radius:var(--radius-md);padding:28px 24px;box-shadow:var(--shadow-sm);transition:all var(--transition);text-align:center;border:1px solid #e8f0e9}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--green-light)}
.feature-icon{font-size:2.5rem;margin-bottom:16px}
.feature-title{font-size:1.05rem;font-weight:700;color:var(--green-dark);margin-bottom:10px}
.feature-desc{font-size:.85rem;color:var(--text-mid);line-height:1.7}

/* ===== 专家卡片 ===== */
.expert-card{background:#fff;border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);text-align:center;transition:all var(--transition);border:1px solid #e8f0e9}
.expert-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.expert-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #e8f5e9}
.expert-name{font-size:1.1rem;font-weight:700;color:#1c2b1d;margin-bottom:4px}
.expert-role{font-size:.85rem;color:#2d7a3a;font-weight:600;margin-bottom:12px}
.expert-desc{font-size:.83rem;color:#4a5e4b;line-height:1.65;margin-bottom:14px}
.expert-badge{display:inline-block;background:#e8f5e9;color:#2d7a3a;font-size:.75rem;padding:3px 10px;border-radius:20px;margin:2px}

/* ===== 移动端补充 ===== */
@media(max-width:768px){
  .partner-grid{gap:12px}
  .partner-item{padding:12px 16px;font-size:.82rem}
  .share-btns{gap:8px}
  .share-btn{padding:8px 16px;font-size:.82rem}
  .review-card{padding:18px}
  .faq-q{padding:14px 16px;font-size:.9rem}
  .breadcrumb{font-size:.78rem}
  .video-thumb{aspect-ratio:16/9}
}
@media(max-width:480px){
  .share-btns{flex-direction:column;align-items:stretch}
  .share-btn{justify-content:center}
  .reviewer{flex-direction:column;align-items:flex-start}
}

/* 干扰标签容器隐藏 */
.distract-hide {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
  pointer-events: none !important;
}