/* 设计哲学：赛璐璐胶片都市风；强调斜切结构、速度线、分镜式视频卡片与高对比视频关键词展示。 */
:root{
  --bg:#07101d;
  --panel:#0c1728;
  --panel-2:#111f35;
  --line:#274564;
  --text:#eef4ff;
  --muted:#9db2d1;
  --blue:#2f73ff;
  --orange:#ff9c35;
  --white:#f8fbff;
  --shadow:0 22px 60px rgba(0,0,0,.35);
  --radius:24px;
  --radius-sm:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top,#10213c 0,#07101d 42%,#050b14 100%);color:var(--text);line-height:1.7}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.tx-topline{display:flex;justify-content:space-between;gap:16px;padding:10px 20px;border-bottom:1px solid rgba(255,255,255,.06);background:rgba(6,10,17,.92);font-size:12px;color:#b6c7e3}
.tx-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(8,14,24,.84);border-bottom:1px solid rgba(255,255,255,.06)}
.tx-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(1240px,calc(100% - 32px));margin:0 auto;padding:16px 0}
.tx-brand{display:flex;align-items:center;gap:12px;min-width:0}
.tx-nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 18px}
.tx-nav a{padding:8px 0;color:#c8d8f2;font-weight:700;position:relative}
.tx-nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--orange));transition:width .3s}
.tx-nav a:hover::after{width:100%}
.tx-search-bar{padding:16px 0 0}
.tx-search-shell{display:grid;grid-template-columns:180px 1fr 140px;gap:12px;align-items:center;width:min(1240px,calc(100% - 32px));margin:0 auto;padding:18px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(135deg,rgba(15,25,42,.9),rgba(9,17,30,.92));border-radius:22px;box-shadow:var(--shadow)}
.tx-search-label{font-weight:800;color:#e8f0ff}
.tx-search-shell input{height:54px;border-radius:16px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:var(--white);padding:0 18px}
.tx-search-shell button,.tx-share-btn,.tx-mcp-btn,.tx-play-btn{border:none}
.tx-search-shell button{height:54px;border-radius:16px;background:linear-gradient(90deg,var(--blue),var(--orange));color:#06101d;font-weight:800}
.tx-hero{position:relative;padding:42px 0 0;min-height:calc(100vh - 130px)}
.tx-hero-media{position:absolute;inset:24px 0 auto 0;height:calc(100% - 24px);overflow:hidden}
.tx-hero-media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.02)}
.tx-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,7,13,.92) 8%,rgba(4,12,24,.72) 40%,rgba(5,11,20,.28) 100%)}
.tx-hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(118deg,transparent 0 40px,rgba(255,255,255,.03) 40px 42px);opacity:.22;pointer-events:none}
.tx-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:end;padding:92px 0 84px}
.tx-kicker,.tx-section-head p{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.08);color:#d7e4fb;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
h1,h2,h3,h4,h5,h6{line-height:1.16;letter-spacing:-.02em;margin:0 0 14px}
h1{font-size:clamp(40px,6vw,76px);max-width:780px;text-shadow:0 14px 42px rgba(0,0,0,.45)}
.tx-lead{max-width:760px;font-size:18px;color:#d0def5}
.tx-tag-row,.tx-chip-row,.tx-share-row{display:flex;flex-wrap:wrap;gap:10px}
.tx-tag-row span,.tx-chip-row span,.tx-chip,.tx-brand-badge{padding:10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);font-weight:700;color:#e7efff}
.tx-data-ribbon{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.tx-data-ribbon span{padding:12px 16px;background:rgba(7,14,23,.66);border-left:4px solid var(--orange);border-radius:14px;color:#ecf3ff}
.tx-hero-panel{display:flex;justify-content:flex-end}
.tx-panel-card,.tx-json-card,.tx-mcp-card,.tx-review-card,.tx-expert-card,.tx-step-card,.tx-inner-card,.tx-media-card,.tx-video-card{background:linear-gradient(180deg,rgba(12,23,40,.95),rgba(8,15,28,.94));border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);box-shadow:var(--shadow)}
.tx-panel-card{padding:28px;max-width:360px;transform:translateY(26px)}
.tx-panel-card ul{list-style:none;padding:0;margin:18px 0 0}
.tx-panel-card li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.tx-section{padding:88px 0;position:relative}
.tx-slash::before{content:"";position:absolute;left:0;right:0;top:18px;height:100%;background:linear-gradient(135deg,rgba(47,115,255,.08),rgba(255,156,53,.06));clip-path:polygon(0 3%,100% 0,100% 96%,0 100%);border-radius:32px;z-index:-1}
.tx-section-head{max-width:760px;margin-bottom:28px}
.tx-section-head h2{font-size:clamp(30px,4vw,48px)}
.tx-video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.tx-video-card{overflow:hidden;transition:transform .28s,box-shadow .28s}
.tx-video-card:hover{transform:translateY(-6px)}
.tx-video-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.tx-video-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.tx-video-card:hover .tx-video-cover img{transform:scale(1.06)}
.tx-play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.85);width:86px;height:86px;border-radius:50%;background:radial-gradient(circle,var(--white) 0 34%,rgba(248,251,255,.16) 35% 100%);box-shadow:0 0 0 12px rgba(255,255,255,.08);opacity:0;transition:.28s}
.tx-play-btn::before{content:"";position:absolute;left:35px;top:27px;border-top:15px solid transparent;border-bottom:15px solid transparent;border-left:24px solid #08111d}
.tx-video-card:hover .tx-play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.tx-duration{position:absolute;right:14px;bottom:14px;padding:6px 10px;border-radius:999px;background:rgba(2,7,13,.72);font-weight:800}
.tx-video-meta{padding:20px}
.tx-stats{display:flex;flex-wrap:wrap;gap:12px;color:#dbe7fb;font-weight:700}
.tx-split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}
.tx-split.reverse{grid-template-columns:1fr 1fr}
.tx-copy-block{padding:10px 6px}
.tx-list{margin:18px 0 0;padding-left:18px;color:#d5e1f5}
.tx-list li{margin-bottom:10px}
.tx-media-card{overflow:hidden}
.tx-media-card img{width:100%;height:100%;object-fit:cover;min-height:340px}
.tx-json-card,.tx-mcp-card{padding:22px}
.tx-json-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.tx-json-head span{padding:6px 10px;border-radius:999px;background:rgba(255,156,53,.16);color:#ffd2a5;font-size:12px;font-weight:800}
.tx-json-card pre,.tx-mcp-card pre{margin:0;overflow:auto;padding:18px;border-radius:18px;background:#050b14;color:#8de1ff;font-size:13px;line-height:1.6}
.tx-expert-grid,.tx-review-grid,.tx-step-grid,.tx-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.tx-expert-card,.tx-review-card,.tx-step-card,.tx-inner-card{padding:22px}
.tx-expert-actions{display:flex;gap:12px;margin-top:18px}
.tx-expert-actions a,.tx-mcp-actions button,.tx-share-btn{padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.07);font-weight:800;color:var(--white);border:1px solid rgba(255,255,255,.08)}
.tx-brand-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tx-brand-badge{text-align:center;padding:18px 14px;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03))}
.tx-step-card span{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(180deg,var(--blue),var(--orange));color:#06101d;font-weight:900;margin-bottom:12px}
.tx-faq-grid{display:grid;gap:14px}
.tx-faq-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px 20px}
.tx-faq-item summary{cursor:pointer;font-weight:800;list-style:none}
.tx-faq-item p{color:#d3def0;margin:12px 0 0}
.tx-review-role{color:#9fb4d8;margin-top:-4px}
.tx-share-btn{background:linear-gradient(90deg,rgba(47,115,255,.18),rgba(255,156,53,.18))}
.tx-mcp-actions{display:flex;gap:12px;margin-top:18px}
.tx-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;color:#a3b8d8;font-weight:700}
.tx-inner-page .tx-inner-hero{padding-top:52px}
.tx-inner-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:center}
.tx-footer{margin-top:60px;padding:38px 0 0;border-top:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(6,11,19,.2),rgba(6,11,19,.82))}
.tx-footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;width:min(1240px,calc(100% - 32px));margin:0 auto 24px}
.tx-qr-grid{display:flex;gap:18px;flex-wrap:wrap}
.tx-qr-grid figure{margin:0}
.tx-qr-grid figcaption{margin-top:10px;color:#b9cae4;text-align:center}
.tx-footer-bottom{padding:16px 20px;border-top:1px solid rgba(255,255,255,.06);text-align:center;color:#b7c8e4}
.tx-toast{position:fixed;right:16px;bottom:16px;z-index:80;background:rgba(8,15,27,.95);border:1px solid rgba(255,255,255,.08);color:#fff;padding:14px 16px;border-radius:16px;box-shadow:var(--shadow);opacity:0;transform:translateY(20px);transition:.28s}
.tx-toast.show{opacity:1;transform:translateY(0)}
@media (max-width:1080px){
  .tx-video-grid,.tx-expert-grid,.tx-review-grid,.tx-step-grid,.tx-card-grid,.tx-brand-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tx-hero-grid,.tx-split,.tx-inner-grid,.tx-footer-grid{grid-template-columns:1fr}
  .tx-panel-card{max-width:none;transform:none}
  .tx-header-inner{align-items:flex-start;flex-direction:column}
  .tx-nav{justify-content:flex-start}
}
@media (max-width:720px){
  .tx-topline{display:none}
  .tx-search-shell{grid-template-columns:1fr}
  .tx-video-grid,.tx-expert-grid,.tx-review-grid,.tx-step-grid,.tx-card-grid,.tx-brand-wall{grid-template-columns:1fr}
  .tx-hero{min-height:auto}
  .tx-hero-grid{padding:72px 0 48px}
  .tx-section{padding:68px 0}
  h1{font-size:42px}
  .tx-nav{gap:8px 14px}
  .tx-nav a{font-size:14px}
}