/* ===== 涩里番 (kmvpr5.cn) 原创样式 — 紫金大话西游风格 ===== */
:root{
  --purple:#7B2D8E;--gold:#D4A017;--pink:#FF6B9D;
  --bg-deep:#0F0A1A;--bg-mid:#1A1128;--bg-card:#221738;
  --text-main:#F0E6FF;--text-sub:#A89BBF;--text-muted:#6B5E80;
  --border:#2E2248;--radius:10px;--shadow:0 4px 24px rgba(123,45,142,.18);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg-deep);color:var(--text-main);line-height:1.7;overflow-x:hidden}
a{color:var(--gold);text-decoration:none;transition:color .2s}
a:hover{color:var(--pink)}
img{max-width:100%;height:auto;display:block}

/* === 容器 === */
.tx-container{max-width:1240px;margin:0 auto;padding:0 20px}

/* === 头部 === */
.tx-header{position:sticky;top:0;z-index:100;background:rgba(15,10,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:12px 0}
.tx-header .tx-container{display:flex;align-items:center;justify-content:space-between}
.tx-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text-main)}
.tx-brand img{width:36px;height:36px;border-radius:8px}
.tx-nav{display:flex;list-style:none;gap:6px}
.tx-nav a{padding:8px 14px;border-radius:6px;font-size:.9rem;color:var(--text-sub);transition:all .2s}
.tx-nav a:hover,.tx-nav a.active{background:var(--bg-card);color:var(--gold)}
.tx-menu-btn{display:none;background:none;border:none;color:var(--text-main);font-size:1.5rem;cursor:pointer}

/* === 搜索条 === */
.tx-search{background:var(--bg-mid);padding:14px 0;border-bottom:1px solid var(--border)}
.tx-search-box{display:flex;max-width:560px;margin:0 auto}
.tx-search-input{flex:1;padding:10px 16px;border:1px solid var(--border);border-right:none;border-radius:var(--radius) 0 0 var(--radius);background:var(--bg-card);color:var(--text-main);font-size:.95rem;outline:none}
.tx-search-input:focus{border-color:var(--purple)}
.tx-search-btn{padding:10px 24px;border:none;border-radius:0 var(--radius) var(--radius) 0;background:linear-gradient(135deg,var(--purple),var(--gold));color:#fff;font-weight:700;cursor:pointer;transition:opacity .2s}
.tx-search-btn:hover{opacity:.85}

/* === 面包屑 === */
.tx-crumb{padding:12px 0;font-size:.85rem;color:var(--text-muted)}
.tx-crumb a{color:var(--text-sub)}
.tx-crumb-sep{margin:0 8px;color:var(--text-muted)}

/* === Hero Banner === */
.tx-hero{position:relative;min-height:420px;display:flex;align-items:center;overflow:hidden}
.tx-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55)}
.tx-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,10,26,.3) 0%,rgba(15,10,26,.85) 100%)}
.tx-hero-body{position:relative;z-index:2;padding:60px 0}
.tx-hero-body h1{font-size:2rem;font-weight:900;margin-bottom:14px;background:linear-gradient(135deg,var(--gold),var(--pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tx-hero-body p{max-width:680px;color:var(--text-sub);font-size:1.05rem;line-height:1.8;margin-bottom:20px}
.tx-btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-weight:700;font-size:.95rem;transition:all .25s;cursor:pointer;border:none}
.tx-btn-gold{background:linear-gradient(135deg,var(--gold),#E8B830);color:#1A1128}
.tx-btn-gold:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(212,160,23,.35);color:#1A1128}
.tx-btn-purple{background:linear-gradient(135deg,var(--purple),#9B3DB0);color:#fff}
.tx-btn-purple:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(123,45,142,.35)}

/* === 通用区块 === */
.tx-block{padding:56px 0}
.tx-block-alt{background:var(--bg-mid)}
.tx-block-title{font-size:1.55rem;font-weight:800;text-align:center;margin-bottom:10px}
.tx-block-desc{text-align:center;color:var(--text-sub);max-width:640px;margin:0 auto 36px;font-size:.95rem}
.tx-sub-title{font-size:1.2rem;font-weight:700;margin-bottom:16px;color:var(--text-main)}

/* === 视频卡片 === */
.tx-vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-vcard{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:transform .25s,box-shadow .25s}
.tx-vcard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tx-vcard-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.tx-vcard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.tx-vcard:hover .tx-vcard-thumb img{transform:scale(1.06)}
.tx-vcard-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s;background:rgba(123,45,142,.35)}
.tx-vcard:hover .tx-vcard-play{opacity:1}
.tx-vcard-play span{width:52px;height:52px;background:rgba(212,160,23,.9);border-radius:50%;display:flex;align-items:center;justify-content:center}
.tx-vcard-play span::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.tx-vcard-dur{position:absolute;bottom:8px;right:8px;background:rgba(15,10,26,.8);padding:2px 8px;border-radius:4px;font-size:.75rem;color:#fff}
.tx-vcard-info{padding:14px}
.tx-vcard-info h3{font-size:.92rem;font-weight:700;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-vcard-meta{display:flex;gap:12px;font-size:.78rem;color:var(--text-muted)}

/* === 左右分栏 === */
.tx-split{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:start}
.tx-split-main .tx-vcard{margin-bottom:0}
.tx-split-side{display:flex;flex-direction:column;gap:16px}
.tx-side-item{display:flex;gap:14px;background:var(--bg-card);border-radius:var(--radius);padding:12px;border:1px solid var(--border);transition:background .2s}
.tx-side-item:hover{background:var(--bg-mid)}
.tx-side-item img{width:120px;height:68px;object-fit:cover;border-radius:6px;flex-shrink:0}
.tx-side-item h4{font-size:.85rem;font-weight:600;line-height:1.4;margin-bottom:4px}
.tx-side-item span{font-size:.75rem;color:var(--text-muted)}

/* === 横向滚动卡片 === */
.tx-scroll-row{display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:var(--purple) var(--bg-mid)}
.tx-scroll-row::-webkit-scrollbar{height:6px}
.tx-scroll-row::-webkit-scrollbar-track{background:var(--bg-mid);border-radius:3px}
.tx-scroll-row::-webkit-scrollbar-thumb{background:var(--purple);border-radius:3px}
.tx-ai-card{min-width:280px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;flex-shrink:0;transition:transform .2s}
.tx-ai-card:hover{transform:translateY(-3px)}
.tx-ai-card .tx-ai-icon{font-size:2rem;margin-bottom:12px}
.tx-ai-card h4{font-size:1rem;font-weight:700;margin-bottom:8px}
.tx-ai-card p{font-size:.88rem;color:var(--text-sub);line-height:1.6}

/* === 六宫格 === */
.tx-hex-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-hex-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:all .25s}
.tx-hex-card:hover{border-color:var(--purple);box-shadow:0 0 24px rgba(123,45,142,.2)}
.tx-hex-icon{font-size:2.2rem;margin-bottom:12px}
.tx-hex-card h4{font-size:1rem;font-weight:700;margin-bottom:8px}
.tx-hex-card p{font-size:.85rem;color:var(--text-sub);line-height:1.6}
.tx-hex-tag{display:inline-block;margin-top:10px;padding:3px 12px;border-radius:20px;font-size:.75rem;background:rgba(123,45,142,.2);color:var(--gold)}

/* === 专家卡片 === */
.tx-expert-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-expert{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;transition:transform .2s}
.tx-expert:hover{transform:translateY(-3px)}
.tx-expert-photo{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--gold));display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-size:2rem}
.tx-expert h4{font-size:1rem;font-weight:700;margin-bottom:4px}
.tx-expert-role{font-size:.82rem;color:var(--gold);margin-bottom:10px}
.tx-expert p{font-size:.85rem;color:var(--text-sub);line-height:1.5}

/* === 合作品牌墙 === */
.tx-partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:28px;padding:20px 0}
.tx-partner-logo{width:100px;height:48px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--text-muted);transition:border-color .2s}
.tx-partner-logo:hover{border-color:var(--gold)}

/* === FAQ === */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
.tx-faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;background:var(--bg-card);transition:background .2s}
.tx-faq-q:hover{background:var(--bg-mid)}
.tx-faq-arrow{transition:transform .3s;font-size:1.2rem;color:var(--gold)}
.tx-faq-item.open .tx-faq-arrow{transform:rotate(180deg)}
.tx-faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 20px;color:var(--text-sub);font-size:.9rem;line-height:1.7}
.tx-faq-item.open .tx-faq-a{max-height:400px;padding:0 20px 16px}

/* === 用户评价 === */
.tx-review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tx-review{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.tx-review-stars{color:var(--gold);margin-bottom:10px;font-size:1.1rem}
.tx-review blockquote{font-size:.92rem;color:var(--text-sub);line-height:1.7;margin-bottom:12px;font-style:italic}
.tx-review cite{font-size:.82rem;color:var(--text-muted);font-style:normal}

/* === 联系信息 === */
.tx-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.tx-contact-list{list-style:none;padding:0}
.tx-contact-list li{padding:10px 0;border-bottom:1px solid var(--border);font-size:.92rem;color:var(--text-sub)}
.tx-contact-list li strong{color:var(--text-main);margin-right:8px}
.tx-social-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.tx-social-btn{padding:8px 18px;border-radius:6px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-sub);font-size:.85rem;transition:all .2s}
.tx-social-btn:hover{border-color:var(--gold);color:var(--gold)}
.tx-qr-row{display:flex;gap:24px;margin-top:20px}
.tx-qr-item{text-align:center}
.tx-qr-item img{border-radius:8px;margin-bottom:6px}
.tx-qr-item span{font-size:.78rem;color:var(--text-muted)}

/* === HowTo步骤 === */
.tx-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tx-step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}
.tx-step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--gold));display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:900;font-size:1.1rem;color:#fff}
.tx-step h4{font-size:.95rem;font-weight:700;margin-bottom:8px}
.tx-step p{font-size:.85rem;color:var(--text-sub);line-height:1.5}

/* === 页脚 === */
.tx-footer{background:var(--bg-mid);border-top:1px solid var(--border);padding:40px 0 24px}
.tx-footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.tx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.tx-footer-brand img{width:36px;height:36px;border-radius:8px}
.tx-footer-brand span{font-weight:800;font-size:1.1rem}
.tx-footer h5{font-size:.95rem;font-weight:700;margin-bottom:14px;color:var(--gold)}
.tx-footer-links{list-style:none;padding:0}
.tx-footer-links li{margin-bottom:8px}
.tx-footer-links a{color:var(--text-sub);font-size:.88rem}
.tx-footer-links a:hover{color:var(--gold)}
.tx-footer-bottom{border-top:1px solid var(--border);padding-top:20px;text-align:center;font-size:.82rem;color:var(--text-muted)}

/* === 内页特色卡片 === */
.tx-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tx-feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s}
.tx-feature-card:hover{transform:translateY(-3px)}
.tx-feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tx-feature-card-body{padding:16px}
.tx-feature-card-body h4{font-size:.95rem;font-weight:700;margin-bottom:6px}
.tx-feature-card-body p{font-size:.85rem;color:var(--text-sub);line-height:1.5}

/* === 响应式 === */
@media(max-width:1024px){
  .tx-vgrid{grid-template-columns:repeat(3,1fr)}
  .tx-expert-row{grid-template-columns:repeat(2,1fr)}
  .tx-footer-top{grid-template-columns:1fr 1fr}
  .tx-steps{grid-template-columns:repeat(2,1fr)}
  .tx-split{grid-template-columns:1fr}
}
@media(max-width:768px){
  .tx-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-deep);flex-direction:column;padding:16px;border-bottom:1px solid var(--border)}
  .tx-nav.open{display:flex}
  .tx-menu-btn{display:block}
  .tx-vgrid{grid-template-columns:repeat(2,1fr)}
  .tx-hex-grid{grid-template-columns:repeat(2,1fr)}
  .tx-review-grid{grid-template-columns:1fr}
  .tx-contact-grid{grid-template-columns:1fr}
  .tx-hero-body h1{font-size:1.5rem}
  .tx-feature-grid{grid-template-columns:repeat(2,1fr)}
  .tx-expert-row{grid-template-columns:1fr}
  .tx-footer-top{grid-template-columns:1fr}
}
@media(max-width:480px){
  .tx-vgrid{grid-template-columns:1fr}
  .tx-hex-grid{grid-template-columns:1fr}
  .tx-steps{grid-template-columns:1fr}
  .tx-feature-grid{grid-template-columns:1fr}
}