/* ============================================================
   抖阴植物视频社区 - 全局样式
   品牌色：深森绿 #1B5E20 / 活力绿 #4CAF50 / 金黄 #F9A825
   iqmvrav.cn
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;background:#f5f7f2;color:#1a2e1a;line-height:1.7}
a{color:#2e7d32;text-decoration:none;transition:color .25s}
a:hover{color:#4caf50}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ── Typography ───────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1b3a1b}
h1{font-size:2.4rem}
h2{font-size:1.9rem}
h3{font-size:1.5rem}
h4{font-size:1.2rem}
h5{font-size:1rem}
h6{font-size:.9rem}

/* ── Layout Utilities ─────────────────────────────────────── */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-pad{padding:70px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-title{font-size:2rem;color:#1b5e20;position:relative;display:inline-block;padding-bottom:12px}
.section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#4caf50,#f9a825)}
.section-subtitle{color:#5a7a5a;margin-top:12px;font-size:1.05rem}
.text-center{text-align:center}
.flex{display:flex}
.flex-center{display:flex;align-items:center;justify-content:center}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hidden{display:none}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:linear-gradient(135deg,#2e7d32,#4caf50);color:#fff;border-radius:30px;font-size:.95rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(46,125,50,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(46,125,50,.45);color:#fff}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:11px 26px;border:2px solid #2e7d32;color:#2e7d32;border-radius:30px;font-size:.95rem;font-weight:600;transition:all .3s}
.btn-outline:hover{background:#2e7d32;color:#fff}
.btn-sm{padding:8px 18px;font-size:.85rem;border-radius:20px}
.btn-sm-primary{display:inline-flex;align-items:center;gap:5px;padding:7px 16px;background:#2e7d32;color:#fff;border-radius:16px;font-size:.82rem;font-weight:600;transition:all .2s}
.btn-sm-primary:hover{background:#1b5e20;color:#fff}
.btn-sm-outline{display:inline-flex;align-items:center;gap:5px;padding:6px 15px;border:1.5px solid #2e7d32;color:#2e7d32;border-radius:16px;font-size:.82rem;font-weight:600;transition:all .2s}
.btn-sm-outline:hover{background:#2e7d32;color:#fff}
.btn-join{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:linear-gradient(135deg,#f9a825,#ff8f00);color:#fff;border-radius:30px;font-size:.95rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(249,168,37,.3)}
.btn-join:hover{transform:translateY(-2px);color:#fff}
.view-all{display:inline-flex;align-items:center;gap:6px;color:#2e7d32;font-weight:600;font-size:.9rem;transition:all .2s}
.view-all:hover{gap:10px}

/* ── Top Bar ──────────────────────────────────────────────── */
.top-bar{background:#1b5e20;color:#c8e6c9;font-size:.82rem;padding:6px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}
.top-bar a{color:#a5d6a7;transition:color .2s}
.top-bar a:hover{color:#fff}

/* ── Site Header ──────────────────────────────────────────── */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.site-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;text-decoration:none}
.site-logo img{height:48px;width:auto}
.logo-text{display:flex;flex-direction:column}
.logo-text strong{font-size:1.3rem;color:#1b5e20;font-weight:800;letter-spacing:.5px}
.logo-text span{font-size:.75rem;color:#5a7a5a}

/* ── Navigation ───────────────────────────────────────────── */
.main-nav{flex:1}
.main-nav > ul{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none}
.main-nav > ul > li{position:relative}
.main-nav > ul > li > a{display:flex;align-items:center;gap:4px;padding:8px 14px;color:#2a3a2a;font-size:.92rem;font-weight:600;border-radius:8px;transition:all .2s;white-space:nowrap}
.main-nav > ul > li > a:hover,.main-nav > ul > li > a.active{background:#e8f5e9;color:#2e7d32}
.main-nav > ul > li > a .nav-arrow{font-size:.6rem;transition:transform .2s}
.main-nav > ul > li:hover > a .nav-arrow{transform:rotate(180deg)}

/* Dropdown */
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:180px;background:#fff;border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.12);opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .25s;z-index:200;border-top:3px solid #4caf50}
.main-nav > ul > li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:10px 18px;color:#2a3a2a;font-size:.88rem;transition:all .2s;border-radius:0}
.dropdown li a:hover{background:#e8f5e9;color:#2e7d32;padding-left:24px}

/* ── Header Actions ───────────────────────────────────────── */
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

/* ── Search Bar ───────────────────────────────────────────── */
.search-bar-wrap{background:#f0f7f0;border-radius:0;padding:10px 0;border-bottom:1px solid #dce8dc}
.search-bar-inner{display:flex;align-items:center;gap:12px;max-width:700px;margin:0 auto;padding:0 20px}
.search-input-wrap{flex:1;display:flex;align-items:center;background:#fff;border:1.5px solid #a5d6a7;border-radius:24px;padding:8px 16px;gap:8px;transition:border-color .2s}
.search-input-wrap:focus-within{border-color:#4caf50;box-shadow:0 0 0 3px rgba(76,175,80,.1)}
.search-input-wrap input{flex:1;border:none;outline:none;font-size:.95rem;color:#1a2e1a;background:transparent}
.search-input-wrap input::placeholder{color:#9aaa9a}
.search-input-wrap button{background:none;border:none;cursor:pointer;color:#4caf50;font-size:1.1rem;padding:0;display:flex;align-items:center}
.search-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.search-tags span{font-size:.8rem;color:#5a7a5a}
.search-tags a{font-size:.8rem;color:#2e7d32;background:#e8f5e9;padding:3px 10px;border-radius:12px;transition:all .2s}
.search-tags a:hover{background:#4caf50;color:#fff}

/* ── Hero / Banner ────────────────────────────────────────── */
.hero-slider{position:relative;height:520px;overflow:hidden;background:#1b5e20}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;background-size:cover;background-position:center}
.hero-slide.active{opacity:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,94,32,.85) 0%,rgba(0,0,0,.3) 100%)}
.hero-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:0 60px;max-width:700px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(76,175,80,.25);border:1px solid rgba(76,175,80,.5);color:#a5d6a7;padding:5px 14px;border-radius:20px;font-size:.82rem;margin-bottom:16px;width:fit-content}
.hero-content h1{font-size:2.6rem;color:#fff;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero-content p{color:#c8e6c9;font-size:1.05rem;margin-bottom:28px;line-height:1.7}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s}
.hero-dot.active{background:#fff;width:24px;border-radius:4px}

/* ── Stats Bar ────────────────────────────────────────────── */
.stats-bar{background:linear-gradient(135deg,#1b5e20,#2e7d32);padding:28px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item{color:#fff}
.stat-num{font-size:2.2rem;font-weight:800;color:#a5d6a7}
.stat-label{font-size:.85rem;color:#c8e6c9;margin-top:4px}

/* ── Video Cards ──────────────────────────────────────────── */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.07);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 28px rgba(0,0,0,.13)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e8f5e9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.0);transition:background .3s}
.video-card:hover .video-play-btn{background:rgba(0,0,0,.35)}
.play-icon{width:52px;height:52px;background:rgba(255,255,255,.92);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(.7);transition:all .3s;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.play-icon::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #2e7d32;margin-left:4px}
.video-card:hover .play-icon{opacity:1;transform:scale(1)}
.video-badge{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#2e7d32,#4caf50);color:#fff;padding:3px 10px;border-radius:12px;font-size:.75rem;font-weight:600}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:8px;font-size:.75rem}
.video-info{padding:14px}
.video-title{font-size:.92rem;font-weight:600;color:#1a2e1a;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:#7a9a7a}

/* ── Video Modal ──────────────────────────────────────────── */
.video-modal{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:9999;display:none;align-items:center;justify-content:center}
.video-modal.open{display:flex}
.modal-inner{background:#1a2e1a;border-radius:16px;width:90%;max-width:800px;overflow:hidden;position:relative}
.modal-close{position:absolute;top:12px;right:16px;color:#fff;font-size:1.6rem;cursor:pointer;z-index:10;line-height:1;opacity:.7;transition:opacity .2s}
.modal-close:hover{opacity:1}
.modal-video-placeholder{aspect-ratio:16/9;background:#0d1f0d;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#4caf50}
.modal-play-big{width:80px;height:80px;background:rgba(76,175,80,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px;border:2px solid #4caf50}
.modal-play-big::after{content:'';border-style:solid;border-width:16px 0 16px 28px;border-color:transparent transparent transparent #4caf50;margin-left:6px}

/* ── Category Tabs ────────────────────────────────────────── */
.category-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.cat-tab{padding:8px 20px;border-radius:20px;font-size:.88rem;font-weight:600;cursor:pointer;border:1.5px solid #c8e6c9;color:#2e7d32;background:#fff;transition:all .2s}
.cat-tab.active,.cat-tab:hover{background:#2e7d32;color:#fff;border-color:#2e7d32}

/* ── Expert Cards ─────────────────────────────────────────── */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.expert-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 3px 16px rgba(0,0,0,.08);transition:all .3s;text-align:center}
.expert-card:hover{transform:translateY(-5px);box-shadow:0 10px 32px rgba(0,0,0,.12)}
.expert-avatar{width:100%;height:220px;object-fit:cover}
.expert-name{font-size:1.1rem;font-weight:700;color:#1b5e20;margin:16px 16px 4px}
.expert-title{font-size:.85rem;color:#5a7a5a;margin:0 16px 10px}
.expert-bio{font-size:.85rem;color:#5a7a5a;margin:0 16px 12px;line-height:1.6}
.expert-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;padding:0 16px 12px}
.expert-tag{background:#e8f5e9;color:#2e7d32;padding:3px 10px;border-radius:12px;font-size:.75rem;font-weight:600}
.expert-btns{display:flex;gap:8px;justify-content:center;padding:0 16px 16px}

/* ── Community Cards ──────────────────────────────────────── */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:#fff;border-radius:14px;padding:28px 24px;box-shadow:0 3px 14px rgba(0,0,0,.07);transition:all .3s;border-left:4px solid #4caf50}
.community-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.11)}
.comm-icon{font-size:2.2rem;margin-bottom:14px}
.comm-title{font-size:1.05rem;font-weight:700;color:#1b5e20;margin-bottom:8px}
.comm-desc{font-size:.88rem;color:#5a7a5a;line-height:1.6;margin-bottom:12px}
.comm-stats{font-size:.8rem;color:#7a9a7a;display:flex;gap:12px}

/* ── AI Section ───────────────────────────────────────────── */
.ai-section{background:linear-gradient(135deg,#0d1f0d 0%,#1b3a1b 50%,#0d2e1a 100%)}
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:rgba(255,255,255,.06);border:1px solid rgba(76,175,80,.2);border-radius:14px;padding:28px 22px;transition:all .3s}
.ai-card:hover{background:rgba(76,175,80,.1);border-color:rgba(76,175,80,.5);transform:translateY(-4px)}
.ai-icon{font-size:2.4rem;margin-bottom:14px}
.ai-title{font-size:1.05rem;font-weight:700;color:#a5d6a7;margin-bottom:8px}
.ai-desc{font-size:.88rem;color:#7aaa7a;line-height:1.6}
.ai-badge{display:inline-flex;align-items:center;gap:4px;background:rgba(76,175,80,.2);color:#81c784;padding:3px 10px;border-radius:10px;font-size:.75rem;margin-top:10px}

/* ── Review Cards ─────────────────────────────────────────── */
.reviews-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.review-card{background:#fff;border-radius:14px;padding:22px;box-shadow:0 3px 14px rgba(0,0,0,.07);transition:all .3s}
.review-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.1)}
.review-stars{color:#f9a825;font-size:1rem;margin-bottom:10px}
.review-text{font-size:.88rem;color:#3a5a3a;line-height:1.65;margin-bottom:14px}
.reviewer{display:flex;align-items:center;gap:10px}
.reviewer-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;background:#e8f5e9;display:flex;align-items:center;justify-content:center;font-size:1rem;color:#2e7d32;flex-shrink:0}
.reviewer-info{}
.reviewer-name{font-size:.88rem;font-weight:700;color:#1a2e1a}
.reviewer-info span{font-size:.78rem;color:#7a9a7a}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-section{background:#f0f7f0}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;cursor:pointer;font-weight:600;color:#1b5e20;font-size:.95rem;transition:background .2s}
.faq-question:hover{background:#f0f7f0}
.faq-question::after{content:'+';font-size:1.4rem;color:#4caf50;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-answer{max-height:300px}
.faq-answer p{padding:0 22px 18px;color:#5a7a5a;font-size:.9rem;line-height:1.7}

/* ── Partners ─────────────────────────────────────────────── */
.partners-section{background:#fff}
.partners-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;align-items:center}
.partner-item{background:#f5f7f2;border-radius:10px;padding:16px;text-align:center;font-size:.82rem;color:#5a7a5a;font-weight:600;border:1.5px solid #dce8dc;transition:all .2s}
.partner-item:hover{border-color:#4caf50;color:#2e7d32;background:#e8f5e9}

/* ── How-To Steps ─────────────────────────────────────────── */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:24px 16px}
.step-num{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#2e7d32,#4caf50);color:#fff;font-size:1.3rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.step-title{font-size:1rem;font-weight:700;color:#1b5e20;margin-bottom:8px}
.step-desc{font-size:.85rem;color:#5a7a5a;line-height:1.6}

/* ── Danmaku Bar ──────────────────────────────────────────── */
.danmaku-bar{background:#1b5e20;padding:10px 0;overflow:hidden;position:relative}
.danmaku-track{display:flex;gap:40px;animation:danmaku 30s linear infinite;white-space:nowrap}
.danmaku-track span{color:#a5d6a7;font-size:.85rem}
.danmaku-track span::before{content:'🌿 '}
@keyframes danmaku{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── Share Bar ────────────────────────────────────────────── */
.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.share-label{font-size:.88rem;color:#5a7a5a;font-weight:600}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:20px;font-size:.82rem;font-weight:600;transition:all .2s;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#010101;border:1px solid #333}
.share-bilibili{background:#00a1d6}
.share-btn:hover{opacity:.85;transform:translateY(-1px);color:#fff}

/* ── QR Codes ─────────────────────────────────────────────── */
.qr-group{display:flex;gap:32px;justify-content:center;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-box{width:120px;height:120px;background:#e8f5e9;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 8px;border:2px solid #c8e6c9;font-size:2.5rem}
.qr-label{font-size:.82rem;color:#5a7a5a}

/* ── Contact ──────────────────────────────────────────────── */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-item{display:flex;align-items:flex-start;gap:12px}
.contact-icon{width:40px;height:40px;background:#e8f5e9;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}

/* ── Trust Items ──────────────────────────────────────────── */
.trust-items{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.trust-item{display:flex;align-items:center;gap:8px;font-size:.85rem;color:#5a7a5a}
.trust-item::before{content:'✓';color:#4caf50;font-weight:700}

/* ── Update Time ──────────────────────────────────────────── */
.update-time{font-size:.8rem;color:#7a9a7a}

/* ── Site Footer ──────────────────────────────────────────── */
.site-footer{background:#0d1f0d;color:#7aaa7a}
.footer-main{padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-heading{color:#a5d6a7;font-size:1rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(76,175,80,.2)}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:#7aaa7a;font-size:.88rem;transition:color .2s}
.footer-links a:hover{color:#a5d6a7}
.footer-bottom{background:#060f06;padding:16px 0;text-align:center;font-size:.82rem;color:#4a6a4a}
.footer-bottom a{color:#5a8a5a;transition:color .2s}
.footer-bottom a:hover{color:#a5d6a7}
.footer-trust{background:#0a180a;padding:16px 0;border-top:1px solid rgba(76,175,80,.1)}

/* ── Breadcrumb ───────────────────────────────────────────── */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:.85rem;color:#5a7a5a;padding:12px 0;flex-wrap:wrap}
.breadcrumb a{color:#2e7d32;transition:color .2s}
.breadcrumb a:hover{color:#1b5e20}
.breadcrumb span{color:#9aaa9a}

/* ── Mobile Menu ──────────────────────────────────────────── */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2.5px;background:#2e7d32;border-radius:2px;transition:all .3s}
.mobile-menu{display:none;background:#fff;border-top:1px solid #e8f5e9;padding:16px 20px}
.mobile-menu.open{display:block}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:4px}
.mobile-menu ul li a{display:block;padding:10px 14px;color:#2a3a2a;font-size:.95rem;border-radius:8px;transition:all .2s}
.mobile-menu ul li a:hover{background:#e8f5e9;color:#2e7d32}

/* ── Star/Celebrity Pages ─────────────────────────────────── */
.star-hero{background:linear-gradient(135deg,#1b5e20,#2e7d32);padding:60px 0;color:#fff;text-align:center}
.star-avatar{width:140px;height:140px;border-radius:50%;object-fit:cover;border:4px solid rgba(255,255,255,.3);margin:0 auto 20px}

/* ── Responsive ───────────────────────────────────────────── */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .partners-grid{grid-template-columns:repeat(4,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  h1{font-size:1.8rem}
  h2{font-size:1.5rem}
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-actions .btn-primary{display:none}
  .hero-slider{height:360px}
  .hero-content{padding:0 24px}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .ai-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:1fr}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(3,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .hero-slider{height:300px}
  .partners-grid{grid-template-columns:repeat(2,1fr)}
}