:root{--bg:#0b1929;--bg-deep:#060f1a;--bg-card:#0f2035;--fg:#ffffff;--gold:#c9a96e;--gold-light:#e8d5a3;--gold-bright:#f0e0b8;--muted:rgba(255,255,255,0.5);--border:rgba(255,255,255,0.08)}
    *,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
    html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:'Noto Sans SC',sans-serif;-webkit-font-smoothing:antialiased}
    .gold-text{background:linear-gradient(135deg,#ffffff 0%,var(--gold-bright) 40%,var(--gold) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .top-nav{position:fixed;top:0;left:0;right:0;z-index:10001;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:linear-gradient(180deg,rgba(11,25,41,0.88) 0%,rgba(11,25,41,0.35) 85%,transparent 100%);pointer-events:none}
    .nav-links{display:flex;gap:4px;pointer-events:auto}
    .nav-link{padding:6px 14px;border:1px solid rgba(255,255,255,0.12);border-radius:5px;background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.55);border:none;cursor:pointer;font-size:12px;font-weight:700;font-family:'Noto Sans SC',sans-serif;letter-spacing:.5px;transition:all .3s;backdrop-filter:blur(8px);white-space:nowrap}
    .nav-link:hover{background:rgba(255,255,255,0.14);color:#fff}
    .nav-link:focus-visible{outline:2px solid var(--gold);outline-offset:1px}
    .nav-link.active{background:rgba(201,169,110,0.18);color:var(--gold-light);border-color:rgba(201,169,110,0.3)}
    .nav-link .cn{display:block}.nav-link .en{display:none}
    body.lang-en .nav-link .cn{display:none}body.lang-en .nav-link .en{display:block}
    .lang-switch{display:flex;border:1px solid rgba(255,255,255,0.2);border-radius:6px;overflow:hidden;backdrop-filter:blur(12px);background:rgba(11,25,41,0.4);pointer-events:auto}
    .lang-btn{padding:6px 16px;background:transparent;color:rgba(255,255,255,0.45);border:none;cursor:pointer;font-size:12px;font-weight:700;font-family:'Noto Sans SC',sans-serif;letter-spacing:1px;transition:all .3s}
    .lang-btn:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
    .lang-btn.active{background:rgba(255,255,255,0.12);color:#fff}
    .cn{display:block}.en{display:none}
    body.lang-en .cn{display:none}body.lang-en .en{display:block}
    .scroll-wrap{width:100%;overflow-y:hidden;overflow-x:hidden;height:100vh}
    .panel{width:100%;min-height:100vh;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
    .dots{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:10001;display:flex;flex-direction:column;gap:10px}
    .dot{width:6px;height:6px;border-radius:3px;background:rgba(255,255,255,0.25);cursor:pointer;transition:all .4s}
    .dot.on{background:var(--gold);height:22px;border-radius:3px}
    .dot:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
    .panel-cover{background-size:cover;background-position:center center}
    .panel-cover::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,25,41,0.48) 0%,rgba(11,25,41,0.62) 100%);z-index:1}
    .cover-inner{position:relative;z-index:2;text-align:center;padding:0 24px;max-width:900px;display:flex;flex-direction:column;align-items:center;gap:20px}
    .cover-title{font-family:'Cinzel','Noto Sans SC',serif;font-size:clamp(34px,6.8vw,78px);font-weight:900;letter-spacing:.08em;line-height:1.15}
    .cover-desc{font-size:clamp(15px,2.2vw,24px);color:rgba(255,255,255,0.7);line-height:1.6;max-width:680px}
    .cover-enter{margin-top:8px;padding:12px 36px;border:1px solid rgba(201,169,110,0.35);border-radius:8px;background:rgba(201,169,110,0.06);color:var(--gold-light);font-size:clamp(13px,1.5vw,17px);font-weight:700;cursor:pointer;transition:all .3s;font-family:'Noto Sans SC',sans-serif;letter-spacing:.05em;display:flex;align-items:center;gap:8px}
    .cover-enter:hover{background:rgba(201,169,110,0.16);border-color:rgba(201,169,110,0.55)}
    .cover-enter:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
    .cover-enter i{font-size:.85em;transition:transform .3s}
    .cover-enter:hover i{transform:translateX(3px)}
    .panel-welcome{background-size:cover;background-position:center 30%;align-items:flex-start}
    .panel-welcome::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,25,41,0.5) 0%,rgba(11,25,41,0.25) 25%,rgba(11,25,41,0.12) 50%,rgba(11,25,41,0.38) 80%,rgba(11,25,41,0.65) 100%);z-index:1}
    .welcome-inner{position:relative;z-index:3;text-align:center;padding:clamp(8vh,12vh,15vh) 24px 0;max-width:1000px;width:100%}
    .welcome-h1{font-family:'Cinzel','Noto Sans SC',serif;font-weight:900;line-height:1.1;margin-bottom:24px}
    .welcome-h1 .line-1{display:block;font-size:clamp(44px,8.5vw,100px);letter-spacing:.12em}
    .welcome-h1 .line-1::after{content:'';display:block;width:48px;height:1.5px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:clamp(12px,1.8vh,22px) auto 0;opacity:.7}
    .welcome-h1 .line-2{display:block;font-size:clamp(28px,4.6vw,60px);letter-spacing:.08em}
    .welcome-h1 .en .line-1, .welcome-h1 .en .line-2{font-size:clamp(36px,6.5vw,80px);letter-spacing:.12em;white-space:nowrap}
    .welcome-p{font-size:clamp(16px,2.4vw,28px);font-weight:400;color:rgba(255,255,255,0.75);line-height:1.6;letter-spacing:.06em;text-shadow:0 2px 16px rgba(11,25,41,0.6)}
    .play-video-btn{margin-top:clamp(16px,2.5vh,32px);padding:14px 40px;border:1px solid rgba(201,169,110,0.4);border-radius:10px;background:rgba(201,169,110,0.08);color:var(--gold-light);font-size:clamp(14px,1.6vw,18px);font-weight:700;cursor:pointer;transition:all .3s;font-family:'Noto Sans SC',sans-serif;letter-spacing:.06em;display:inline-flex;align-items:center;gap:10px;backdrop-filter:blur(6px)}
    .play-video-btn:hover{background:rgba(201,169,110,0.2);border-color:rgba(201,169,110,0.6);transform:scale(1.04)}
    .play-video-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
    .play-video-btn i{font-size:1.1em}
    .welcome-video-container{margin-top:clamp(16px,2.5vh,32px);margin-left:auto;margin-right:auto;box-shadow:0 8px 32px rgba(0,0,0,0.3),0 0 0 1px rgba(201,169,110,0.15);transition:transform .3s,box-shadow .3s}
    .welcome-video-container:hover{transform:scale(1.03);box-shadow:0 12px 48px rgba(0,0,0,0.4),0 0 0 1px rgba(201,169,110,0.35)}
    .welcome-video-container .welcome-video-overlay{opacity:0}
    @media(max-width:600px){.welcome-video-container{max-width:100%;border-radius:8px}.welcome-video-container video,.welcome-video-container .welcome-video-overlay{border-radius:8px}}
    .video-overlay{position:fixed;inset:0;z-index:20000;background:rgba(6,15,26,0.96);display:flex;flex-direction:column;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s ease}
    .video-overlay.open{opacity:1;pointer-events:auto}
    .video-overlay-close{position:absolute;top:20px;right:20px;padding:10px 24px;border:1px solid rgba(255,255,255,0.2);border-radius:8px;background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.8);font-size:14px;font-weight:700;cursor:pointer;transition:all .3s;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:6px;backdrop-filter:blur(6px)}
    .video-overlay-close:hover{background:rgba(255,255,255,0.16);color:#fff}
    .video-overlay-close:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
    .video-overlay-wrap{width:90%;max-width:1100px;max-height:80vh;display:flex;align-items:center;justify-content:center;position:relative}
    .video-overlay-wrap video{width:100%;max-height:78vh;border-radius:10px;background:var(--bg-deep);display:block}
    .video-overlay-ph{width:100%;aspect-ratio:16/9;border-radius:10px;background:rgba(6,15,26,0.5);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
    .video-overlay-ph i{font-size:56px;color:var(--gold)}
    .video-overlay-ph span{font-size:16px;color:var(--muted)}
    .video-overlay-ph.hidden{display:none}
    .video-overlay-bar{position:absolute;bottom:clamp(24px,4vh,48px);left:50%;transform:translateX(-50%);text-align:center}
    .video-overlay-bar span{font-family:'Cinzel','Noto Sans SC',serif;font-size:clamp(16px,2vw,26px);font-weight:700}
    .sub-page{position:fixed;inset:0;z-index:10000;background:var(--bg);overflow-y:auto;overflow-x:hidden;transform:translateY(100%);opacity:0;transition:transform .5s cubic-bezier(.4,0,.2,1),opacity .4s ease;pointer-events:none}
    .sub-page.open{transform:translateY(0);opacity:1;pointer-events:auto}
    .sub-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;padding:60px 24px 16px;background:linear-gradient(180deg,rgba(11,25,41,0.95) 0%,rgba(11,25,41,0.8) 80%,transparent 100%);backdrop-filter:blur(10px)}
    .back-btn{padding:8px 20px;border:1px solid rgba(255,255,255,0.2);border-radius:6px;background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.75);font-size:13px;font-weight:700;cursor:pointer;transition:all .3s;font-family:'Noto Sans SC',sans-serif;display:flex;align-items:center;gap:6px}
    .back-btn:hover{background:rgba(255,255,255,0.14);color:#fff}
    .back-btn:focus-visible{outline:2px solid var(--gold);outline-offset:1px}
    .sub-title{margin-left:auto;font-family:'Cinzel','Noto Sans SC',serif;font-size:clamp(18px,2.5vw,28px);font-weight:900;letter-spacing:.05em}
    .sub-body{padding:20px 24px 60px;max-width:1100px;margin:0 auto}
    .sub-places-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:12px}
    .sp-card{position:relative;border-radius:14px;overflow:hidden;height:clamp(200px,25vh,280px)}
    .sp-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
    .sp-card:hover img{transform:scale(1.04)}
    .sp-card .sp-mask{position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(11,25,41,0.92) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(16px,2.2vw,28px)}
    .sp-name{font-size:clamp(16px,2vw,24px);font-weight:900;margin-bottom:4px;line-height:1.3}
    .sp-sub{font-size:clamp(11px,1.2vw,14px);color:var(--gold-light);font-weight:700;margin-bottom:5px;opacity:.85}
    .sp-desc{font-size:clamp(12px,1.3vw,16px);color:rgba(255,255,255,0.6);line-height:1.5}
    .sub-transport-flex{display:flex;gap:24px;align-items:flex-start;margin-top:12px}
    .sub-metro{flex:1.1;min-width:0}
    .sub-metro svg{width:100%;height:auto;display:block}
    .sub-tp-photos{flex:0.9;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .sub-tp{border-radius:10px;overflow:hidden;position:relative;height:clamp(120px,20vh,200px)}
    .sub-tp img{width:100%;height:100%;object-fit:cover;display:block}
    .sub-tp-lbl{position:absolute;bottom:0;left:0;right:0;padding:8px;text-align:center;background:linear-gradient(transparent,rgba(11,25,41,0.88))}
    .sub-tp-lbl span{font-size:clamp(12px,1.3vw,15px);color:var(--gold-light);font-weight:700}
    .sub-tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
    .tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:12px}
    .tip-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:clamp(20px,2.5vw,28px);transition:all .3s}
    .tip-card:hover{border-color:rgba(201,169,110,0.3);transform:translateY(-4px)}
    .tip-icon{width:56px;height:56px;border-radius:50%;background:rgba(201,169,110,0.1);border:2px solid rgba(201,169,110,0.3);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px;color:var(--gold)}
    .tip-title{font-size:clamp(16px,1.8vw,20px);font-weight:900;color:var(--gold-light);margin-bottom:12px;font-family:'Noto Sans SC',sans-serif}
    .tip-content{font-size:clamp(13px,1.3vw,15px);line-height:1.7;color:rgba(255,255,255,0.75)}
    .tip-emergency{border-color:rgba(239,68,68,0.4);background:linear-gradient(135deg,rgba(239,68,68,0.08) 0%,var(--bg-card) 100%)}
    .tip-emergency .tip-icon{background:rgba(239,68,68,0.15);border-color:rgba(239,68,68,0.4);color:#ef4444}
    .tip-emergency .tip-title{color:#ef4444}
    .emergency-list{list-style:none;margin-top:12px;padding:0}
    .emergency-list li{font-size:clamp(12px,1.2vw,14px);color:rgba(255,255,255,0.8);margin-bottom:6px;padding:6px 10px;background:rgba(255,255,255,0.05);border-radius:6px}
    .emergency-list li strong{color:#ef4444;display:inline-block;min-width:140px}
    .tip-wide{grid-column:span 2}
    .tip-fullwidth{grid-column:1/-1;background:linear-gradient(135deg,rgba(34,197,94,0.08) 0%,var(--bg-card) 100%);border-color:rgba(34,197,94,0.3)}
    .tip-fullwidth .tip-icon{background:rgba(34,197,94,0.15);border-color:rgba(34,197,94,0.4);color:#22c55e}
    .tip-fullwidth .tip-title{color:#4ade80}
    .volunteer-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px;margin-top:16px}
    .volunteer-item{font-size:clamp(12px,1.2vw,14px);color:rgba(255,255,255,0.85);padding:10px 14px;background:rgba(255,255,255,0.05);border-radius:8px;border-left:3px solid rgba(34,197,94,0.5)}
    .volunteer-item strong{color:#4ade80;display:inline-block;min-width:180px}
    .volunteer-city{background:rgba(34,197,94,0.12);border-left-color:#22c55e;font-weight:600}
    .app-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin-top:16px}
    .app-item{padding:14px;background:rgba(255,255,255,0.05);border-radius:10px;border-left:3px solid var(--gold);transition:all .2s}
    .app-item:hover{background:rgba(255,255,255,0.08)}
    .phrases-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
    .phrase-item{display:flex;align-items:center;padding:12px 16px;background:rgba(255,255,255,0.05);border-radius:8px;border-left:3px solid var(--gold);transition:all .2s}
    .phrase-item:hover{background:rgba(255,255,255,0.08)}
    .phrase-cn{font-size:clamp(15px,1.5vw,18px);color:#fff;font-weight:700;min-width:100px}
    .phrase-pinyin{font-size:clamp(12px,1.2vw,14px);color:var(--gold-light);font-style:italic;min-width:120px}
    .phrase-en{font-size:clamp(12px,1.2vw,14px);color:rgba(255,255,255,0.7);margin-left:auto;text-align:right}
    @media(max-width:768px){.phrases-list{grid-template-columns:1fr}.phrase-item{flex-direction:column;align-items:flex-start;gap:4px}.phrase-en{margin-left:0;text-align:left}}
    @media(max-width:900px){.tips-grid{grid-template-columns:repeat(2,1fr)}.tip-wide{grid-column:span 2}.volunteer-list{grid-template-columns:1fr}}
    @media(max-width:600px){.tips-grid{grid-template-columns:1fr}.tip-wide{grid-column:span 1}}
    .sub-tip{text-align:center;padding:clamp(20px,3vw,36px) clamp(16px,2vw,24px);border-radius:14px;border:1px solid var(--border);background:var(--bg-card)}
    .sub-tip-icon{width:clamp(56px,7vw,72px);height:clamp(56px,7vw,72px);border-radius:50%;border:2px solid rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:clamp(22px,2.8vw,30px);color:var(--fg)}
    .sub-tip-title{font-size:clamp(16px,2vw,22px);font-weight:900;color:var(--gold-light);margin-bottom:10px}
    .sub-tip-desc{font-size:clamp(13px,1.4vw,16px);line-height:1.7;color:rgba(255,255,255,0.7)}
    .sub-story{padding:clamp(20px,2.8vw,36px);border-left:3px solid var(--gold);margin-bottom:28px;border-radius:0 8px 8px 0;background:rgba(255,255,255,0.02)}
    .story-card{display:flex;gap:24px;margin-bottom:32px;padding:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;transition:all .3s}
    .story-card:hover{border-color:rgba(201,169,110,0.3)}
    .story-img{flex:0 0 280px;height:200px;border-radius:10px;overflow:hidden}
    .story-img img{width:100%;height:100%;object-fit:cover}
    .story-text{flex:1;display:flex;align-items:center}
    .story-text p{font-size:clamp(14px,1.5vw,17px);line-height:1.9;color:rgba(255,255,255,0.85);margin:0}
    @media(max-width:768px){.story-card{flex-direction:column}.story-img{flex:0 0 auto;width:100%;height:220px}}
    /* Story Slider */
    .story-slider{position:relative;max-width:1100px;margin:0 auto}
    .story-slide{display:none;animation:fadeIn .5s ease}
    .story-slide.active{display:block}
    @keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
    .story-title{font-family:'Cinzel','Noto Sans SC',serif;font-size:clamp(18px,2.2vw,26px);font-weight:900;color:var(--gold-light);margin-bottom:20px;text-align:center}
    .story-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:1px solid rgba(201,169,110,0.4);background:rgba(15,32,53,0.9);color:var(--gold-light);font-size:18px;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center;z-index:10}
    .story-nav:hover{background:rgba(201,169,110,0.2);border-color:rgba(201,169,110,0.6);transform:translateY(-50%) scale(1.05)}
    .story-prev{left:-24px}
    .story-next{right:-24px}
    .story-dots{display:flex;justify-content:center;gap:10px;margin-top:24px}
    .story-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.25);cursor:pointer;transition:all .3s}
    .story-dot.active{background:var(--gold);transform:scale(1.2)}
    .story-dot:hover{background:rgba(201,169,110,0.6)}
    @media(max-width:900px){.story-prev{left:10px}.story-next{right:10px}.story-nav{width:40px;height:40px;font-size:16px}}
    .sub-story-h{font-family:'Cinzel','Noto Sans SC',serif;font-size:clamp(20px,2.6vw,30px);font-weight:900;margin-bottom:14px;line-height:1.3}
    .sub-story-p{font-size:clamp(15px,1.7vw,20px);line-height:1.9;color:rgba(255,255,255,0.8)}
    @media(max-width:768px){
      .top-nav{padding:10px 12px}
      .nav-links{gap:3px}.nav-link{padding:5px 8px;font-size:11px}.lang-btn{padding:5px 12px;font-size:11px}
      .dots{right:10px;gap:8px}.dot{width:5px;height:5px}.dot.on{height:18px}
      .welcome-inner{padding-top:clamp(6vh,9vh,11vh)}
      .welcome-h1 .line-1{letter-spacing:.08em}.welcome-h1 .line-2{letter-spacing:.05em}.welcome-h1 .line-1::after{margin-top:10px;width:36px}
      .play-video-btn{padding:12px 32px;font-size:clamp(13px,1.4vw,16px)}
      .sub-places-grid{grid-template-columns:1fr;gap:14px}.sp-card{height:clamp(160px,28vh,220px)}
      .sub-transport-flex{flex-direction:column;gap:16px}
      .sub-tips-grid{grid-template-columns:1fr;gap:16px}
      .sub-header{padding:12px 16px}
      .video-overlay-close{top:14px;right:14px;padding:8px 18px;font-size:12px}
      .video-overlay-wrap{width:94%}
    }
    @media(max-width:420px){.nav-link{padding:4px 6px;font-size:10px}.play-video-btn{padding:10px 24px;gap:8px}}
    @media(prefers-reduced-motion:reduce){.scroll-wrap{transition-duration:.01ms!important}.sp-card img{transition-duration:.01ms!important}.sub-page{transition-duration:.01ms!important}.video-overlay{transition-duration:.01ms!important}}
    .gallery-wrap{display:flex;gap:16px;max-width:800px;margin:0 auto 20px;align-items:flex-start}
    .gallery-thumbs{display:flex;flex-direction:column;gap:10px;width:120px;flex-shrink:0}
    .gallery-thumbs img{width:100%;height:auto;border-radius:6px;cursor:pointer;opacity:.6;transition:all .3s;border:2px solid transparent}
    .gallery-thumbs img:hover{opacity:1}
    .gallery-thumbs img.active{opacity:1;border-color:var(--gold)}
    .gallery-main{flex:1;border-radius:8px;overflow:hidden;background:var(--bg-deep);min-width:0}
    .gallery-main img{width:100%;height:auto;display:block}
    @media(max-width:600px){.gallery-wrap{flex-direction:column}.gallery-thumbs{flex-direction:row;width:100%;overflow-x:auto}.gallery-thumbs img{width:80px;flex-shrink:0}}
    /* TCPlayer 黑边修复 - 解除强制16:9比例，使播放器匹配视频实际尺寸 */
    .tcplayer,.video-js{padding-top:0!important;height:auto!important}
    .vjs-tech,#welcomeVideo,#mainVideo{position:relative!important;width:100%!important;height:auto!important}
  </style>