*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#eff6ff;
  --bg:#f8fafc;--surface:#fff;--border:#cbd5e1;--border-light:#e8eef5;
  --text:#0f172a;--text-2:#475569;--text-3:#94a3b8;
  --success:#22c55e;--success-bg:#f0fdf4;--danger:#ef4444;--danger-bg:#fef2f2;
  --radius:5px;--radius-lg:5px;
  --shadow-sm:0 1px 3px rgba(15,23,42,.05),0 1px 2px rgba(15,23,42,.03);
  --shadow:0 4px 12px rgba(15,23,42,.07),0 1px 4px rgba(15,23,42,.04);
  --shadow-lg:0 12px 40px rgba(15,23,42,.1),0 4px 12px rgba(15,23,42,.05);
  --shadow-card:0 1px 3px rgba(15,23,42,.04),0 1px 2px rgba(15,23,42,.02);
  --shadow-hover:0 8px 24px rgba(15,23,42,.08),0 2px 8px rgba(15,23,42,.04);
  --transition:.2s cubic-bezier(.4,0,.2,1);
  --font:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:'Consolas','Monaco','Courier New',monospace;
  /* 字号层级体系 */
  --text-xs:12px;    /* 极小标注: chip, badge, meta tag */
  --text-sm:13px;    /* 小号: author, feed meta, gallery */
  --text-base:14px;  /* 基准: nav link, alert, step desc */
  --text-md:15px;    /* 中号: button, input, video title, body */
  --text-lg:17px;    /* 大号: hero step num, brand */
  --text-xl:20px;    /* 超大: hero title */
  --text-2xl:26px;   /* 特大: hero title */
  /* 行高 */
  --lh-tight:1.25;   /* 标题、数值 */
  --lh-normal:1.5;   /* 正文 */
  --lh-relaxed:1.65; /* 长文本 */
  /* 字间距 */
  --ls-tight:-0.01em;/* 大标题 */
  --ls-normal:0;     /* 正文 */
  --ls-wide:0.02em;  /* 标签 */
}
html{font-size:var(--text-md);height:100%;overflow:hidden}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:var(--lh-relaxed);-webkit-font-smoothing:antialiased;height:100%;overflow:hidden;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
textarea,input,select{font-family:inherit;font-size:inherit}

/* 隐藏所有滚动条但保留滚动功能 */
*{scrollbar-width:none;-ms-overflow-style:none}
::-webkit-scrollbar{width:0;height:0;display:none}

/* Nav */
.nav{height:60px;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);box-shadow:0 1px 3px rgba(15,23,42,.03);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 15px;margin:-15px -15px 15px}
.nav-brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--text);transition:.2s ease}
.nav-brand:hover{color:var(--primary)}
.nav-brand .logo{width:33px;height:33px;border-radius:5px;background:linear-gradient(135deg,#60a5fa,#3b82f6);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 0 0 3px rgba(59,130,246,.12),0 2px 10px rgba(59,130,246,.4);flex-shrink:0;animation:logo-glow 2.8s ease-in-out infinite}
.nav-brand .logo svg{filter:drop-shadow(0 1px 1px rgba(0,0,0,.18));animation:bolt-pulse 2.8s ease-in-out infinite}
@keyframes logo-glow{0%,100%{box-shadow:0 0 0 3px rgba(59,130,246,.12),0 2px 10px rgba(59,130,246,.4)}50%{box-shadow:0 0 0 7px rgba(59,130,246,.16),0 3px 18px rgba(59,130,246,.65)}}
@keyframes bolt-pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.18);opacity:.88}}
.brand-text{display:flex;flex-direction:column;justify-content:center;line-height:1.15}
.brand-cn{color:#0f172a;font-weight:700;font-size:16px;letter-spacing:0}
.brand-en{color:#94a3b8;font-weight:500;text-transform:uppercase;font-size:10px;letter-spacing:0;margin-top:2px}
.nav-link{padding:6px 16px;border-radius:var(--radius);background:var(--primary-light);color:var(--primary);font-size:var(--text-base);letter-spacing:var(--ls-wide);font-weight:600;transition:.2s ease}
.nav-link:hover{background:var(--primary);color:#fff}

/* Workspace */
.workspace{display:flex;flex:1;overflow:hidden;position:relative}
.panel-left{width:380px;min-width:340px;max-width:420px;background:var(--surface);border-right:1px solid var(--border-light);box-shadow:var(--shadow-card);display:flex;flex-direction:column;overflow:hidden;padding:15px}
.panel-right{flex:1;min-width:0;display:flex;flex-direction:column;overflow-y:auto;padding:15px}

/* Input */
.input{width:100%;padding:16px 16px;border:1.5px solid var(--border);border-radius:var(--radius);resize:none;outline:none;line-height:var(--lh-normal);font-size:var(--text-md);flex:1;min-height:200px;background:var(--bg);transition:.2s ease}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(59,130,246,.12),0 2px 8px rgba(59,130,246,.08);background:var(--surface)}
.input::placeholder{color:var(--text-3)}

/* Count */
.count-row{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.count-pill{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;background:var(--border-light);border-radius:20px;font-size:var(--text-xs);font-weight:600;color:var(--text-2)}
.count-pill .num{color:var(--primary);font-size:var(--text-sm)}
.count-bar{width:50px;height:4px;background:var(--border);border-radius:3px;overflow:hidden}
.count-bar>span{display:block;height:100%;background:var(--primary);border-radius:3px;transition:width .2s}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;border:none;border-radius:var(--radius);font-size:var(--text-md);font-weight:600;white-space:nowrap;transition:.2s ease;position:relative;overflow:hidden}
.btn svg{width:16px;height:16px;flex-shrink:0;display:block}
.btn-text{display:inline-flex;align-items:center;gap:6px}
.btn-primary{flex:1;background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(59,130,246,.25)}
.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 14px rgba(59,130,246,.35);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.btn-ghost{background:var(--surface);border:1.5px solid var(--border);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-2)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.btn-soft{background:var(--border-light);color:var(--text-2)}
.btn-soft:hover{background:var(--border);color:var(--text)}
.btn-sm{padding:6px 12px;font-size:var(--text-sm);border-radius:var(--radius)}
.action-row{display:flex;gap:12px;margin-top:16px}

/* Spinner */
.spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* Alert */
.alert-error{margin-top:12px;padding:11px 14px;background:var(--danger-bg);color:var(--danger);border-radius:var(--radius);font-size:var(--text-md);border:1px solid #fecaca;animation:fadeIn .2s}

/* Empty state */
.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:0}
.hero-icon{width:104px;height:104px;border-radius:26px;background:linear-gradient(135deg,var(--primary),#60a5fa);display:flex;align-items:center;justify-content:center;margin-bottom:32px;box-shadow:0 8px 24px rgba(59,130,246,.3);position:relative}
.hero-icon::before{content:'';position:absolute;inset:-8px;border-radius:32px;background:linear-gradient(135deg,var(--primary),#60a5fa);opacity:.12;z-index:-1}
.hero-icon svg{color:#fff}
.hero-title{font-size:var(--text-2xl);font-weight:700;letter-spacing:var(--ls-tight);line-height:var(--lh-tight);color:var(--text);margin-bottom:10px;text-align:center;background:linear-gradient(135deg,var(--text),var(--text-2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:var(--text-md);line-height:var(--lh-relaxed);color:var(--text-3);text-align:center;max-width:480px;margin:0 auto 40px}
.steps{display:flex;gap:28px;flex-wrap:wrap;justify-content:center}
.step{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 26px;box-shadow:var(--shadow-sm);min-width:200px;transition:.2s ease}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:var(--text-lg);font-weight:700;flex-shrink:0;box-shadow:0 4px 12px rgba(59,130,246,.2)}
.step-text{display:flex;flex-direction:column}
.step-label{font-size:var(--text-md);font-weight:600;color:var(--text)}
.step-desc{font-size:var(--text-sm);color:var(--text-3)}

/* Feed */
.feed-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:-15px;z-index:10;height:60px;background:var(--bg);margin:-15px -15px 14px;padding:0 15px;border-bottom:1px solid var(--border)}
.feed-title{font-size:var(--text-md);font-weight:600;display:flex;align-items:center;gap:8px}
.feed-title .dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
.feed-meta{font-size:var(--text-sm);color:var(--text-3)}
.feed{display:flex;flex-direction:column;gap:18px}

/* Card */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:var(--transition);animation:fadeIn .2s ease}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:17px 24px;background:linear-gradient(135deg,#f8fafc,#eff6ff);border-bottom:1px solid var(--border)}
.header-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.platform-chip{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--border);padding:5px 12px;border-radius:var(--radius);font-size:var(--text-xs);font-weight:600;color:var(--primary);transition:.15s}
.platform-chip .pf-dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
.status-chip{display:inline-flex;align-items:center;gap:6px;font-size:var(--text-xs);font-weight:500;color:var(--text-2);border-radius:var(--radius);transition:.15s}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(34,197,94,.2)}
.status-dot.failed{background:var(--danger);box-shadow:0 0 0 3px rgba(239,68,68,.2)}
.header-actions{display:flex;gap:6px}
.header-btn{width:30px;height:30px;border-radius:5px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);color:var(--text-2);transition:.15s;cursor:pointer}
.header-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.header-btn svg{width:15px;height:15px}

/* Card body */
.card-body{padding:22px 24px}
.media-info{--cover-size:clamp(88px,11vw,110px);display:flex;gap:18px;align-items:center}
.media-cover-wrap{position:relative;width:var(--cover-size);min-width:var(--cover-size);height:var(--cover-size);align-self:center}
.media-cover{position:relative;width:100%;height:100%;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--border-light)}
.media-cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover-caption{position:absolute;left:50%;bottom:5px;z-index:1;transform:translateX(-50%);padding:2px 5px;border-radius:4px;background:rgba(15,23,42,.42);color:#fff;font-size:var(--text-xs);font-weight:500;line-height:var(--lh-tight);text-align:center;opacity:.72;white-space:nowrap;pointer-events:none}
.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.18)}
.play-circle{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.95);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,.25);color:var(--primary)}
.info-section{flex:1;height:var(--cover-size);min-width:0;display:flex;flex-direction:column;justify-content:space-between;gap:6px}
.info-meta-row{display:block;flex-shrink:0}
.video-title{font-size:var(--text-md);font-weight:600;line-height:var(--lh-normal);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;flex-shrink:0;transition:.15s}
.author-row{display:flex;align-items:center;gap:8px;min-width:0;flex-shrink:0}
.author-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;flex-shrink:0;background:var(--border-light)}
.author-avatar-placeholder{display:flex;align-items:center;justify-content:center;color:var(--primary);background:var(--primary-light)}
.author-name{min-width:0;font-size:var(--text-sm);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.author-name-link{color:var(--primary);text-decoration:none;transition:color .2s}
.author-name-link:hover{color:var(--primary-hover);text-decoration:underline}
.meta-tags{display:flex;flex-wrap:wrap;gap:6px}
.meta-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;background:var(--border-light);border-radius:5px;font-size:var(--text-xs);color:var(--text-2);font-weight:500}
.meta-tag.accent{background:var(--primary-light);color:var(--primary)}
.meta-tag.muted{background:transparent;color:var(--text-3)}
.action-bar{display:flex;flex-direction:column;flex-wrap:nowrap;justify-content:center;align-self:center;gap:8px;margin-left:auto;flex-shrink:0}
.action-bar .btn-sm{flex:0 0 auto;justify-content:center;white-space:nowrap}

/* Gallery section */
.gallery-section{padding:0 20px 18px;border-top:1px solid var(--border);padding-top:16px}
.gallery-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.gallery-title{display:flex;align-items:center;gap:8px;font-size:var(--text-sm);font-weight:700}
.gallery-count{background:var(--primary-light);color:var(--primary);padding:2px 9px;border-radius:10px;font-size:var(--text-xs);font-weight:700}
.gallery-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:10px}
.gallery-item{position:relative;aspect-ratio:1;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;box-shadow:var(--shadow-sm);transition:.2s;background:var(--border-light)}
.gallery-item:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:.2s}
.gallery-item:hover img{transform:scale(1.05)}
.img-checkbox{position:absolute;top:6px;left:6px;width:16px;height:16px;cursor:pointer;z-index:2;accent-color:var(--primary);opacity:0;transition:opacity .15s}
.img-checkbox:checked,.gallery-item:hover .img-checkbox{opacity:1}
.dl-overlay{position:absolute;bottom:0;left:0;right:0;padding:14px 6px 6px;display:flex;gap:4px;justify-content:center;background:linear-gradient(transparent,rgba(0,0,0,.65));opacity:0;transition:var(--transition);pointer-events:none}
.gallery-item:hover .dl-overlay{opacity:1}
.dl-overlay a{color:#fff;font-size:var(--text-xs);padding:4px 8px;background:rgba(255,255,255,.2);border-radius:var(--radius);backdrop-filter:blur(4px);pointer-events:auto}

/* Failed card */
.card.failed{border-left:3px solid var(--danger)}
.card.failed .card-header{background:linear-gradient(135deg,#fef2f2,#fff5f5)}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:100;display:flex;align-items:center;justify-content:center;padding:15px;backdrop-filter:blur(4px)}

/* 通用提示弹窗 */
.modal-box{background:var(--surface);border-radius:5px;width:90%;max-width:400px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.2),0 8px 24px rgba(0,0,0,.08);border:1px solid var(--border-light);animation:modalIn .2s ease}
@keyframes modalIn{from{transform:scale(.95) translateY(10px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}
.modal-head{display:flex;align-items:center;gap:12px;padding:15px;border-bottom:1px solid var(--border);background:linear-gradient(135deg,#f8fafc,#eff6ff)}
.modal-head.warn{background:linear-gradient(135deg,#fffbeb,#fef3c7);color:var(--warning)}
.modal-head.danger{background:linear-gradient(135deg,#fef2f2,#fee2e2);color:var(--danger)}
.modal-ico{display:flex;align-items:center;justify-content:center;flex-shrink:0}
.modal-title{font-size:var(--text-md);font-weight:700;color:var(--text)}
.modal-body{padding:15px}
.modal-msg{font-size:var(--text-md);color:var(--text-2);line-height:var(--lh-relaxed);margin:0}
.modal-foot{padding:15px;display:flex;justify-content:flex-end;gap:8px}
.modal-foot .btn{min-width:80px;justify-content:center}

/* 沉浸式预览弹窗（图集/视频/音乐统一风格） */
.gi-modal{padding:0;background:rgba(0,0,0,.92);backdrop-filter:blur(6px)}
.gi-top{position:absolute;top:0;left:0;right:0;padding:16px 20px;display:flex;gap:8px;align-items:center;z-index:10;background:linear-gradient(to bottom,rgba(0,0,0,.6),transparent)}
.gi-tag{font-size:var(--text-sm);font-weight:600;color:rgba(255,255,255,.85);background:rgba(255,255,255,.1);backdrop-filter:blur(12px);padding:5px 14px;border-radius:20px;border:1px solid rgba(255,255,255,.08);max-width:50%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gi-top-actions{display:flex;gap:6px;margin-left:auto;align-items:center}
.gi-close{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;color:#fff;transition:.15s;border:1px solid rgba(255,255,255,.08);flex-shrink:0}
.gi-close:hover{background:rgba(239,68,68,.8)}
.gi-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.gi-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(0,0,0,.35);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;color:#fff;transition:.15s;border:1px solid rgba(255,255,255,.08);z-index:5}
.gi-nav-prev{left:16px}
.gi-nav-next{right:16px}
.gi-nav:hover{background:rgba(255,255,255,.2);transform:translateY(-50%) scale(1.08)}
.gi-stage.no-nav .gi-nav{display:none}
.gi-content{display:flex;align-items:center;justify-content:center;width:100%;height:100%;padding:70px 80px 110px;position:relative;overflow:hidden}
.gi-content img{max-width:100%;max-height:100%;border-radius:5px;object-fit:contain;transition:opacity .2s,transform .15s ease;transform-origin:center center;will-change:transform}
.gi-content img.gi-zoomable{cursor:zoom-in;-webkit-user-drag:none;user-select:none}
.gi-content img.gi-zoomable.zoomed{cursor:grab;touch-action:none}
.gi-content img.gi-zoomable.zoomed.dragging{cursor:grabbing;transition:opacity .2s}
.gi-img-wrap{position:relative;max-width:100%;max-height:100%;line-height:0}
.gi-img-wrap img{width:100%;height:100%;object-fit:contain;display:block}
.gi-img-info{position:absolute;left:50%;bottom:8px;transform:translateX(-50%);padding:4px 12px;border-radius:20px;background:rgba(0,0,0,.45);color:#fff;font-size:12px;line-height:1.4;pointer-events:none;white-space:nowrap;backdrop-filter:blur(4px);z-index:2}
.gi-content video{max-width:100%;max-height:80vh;border-radius:5px}
.gi-content .loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.gi-content .loading::after{content:'';width:32px;height:32px;border:3px solid rgba(255,255,255,.15);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
.gi-bottom{position:absolute;bottom:0;left:0;right:0;padding:16px 20px;z-index:10;background:linear-gradient(to top,rgba(0,0,0,.85),transparent)}
.gi-thumbs{display:flex;gap:6px;justify-content:center;overflow-x:auto;scrollbar-width:none;margin-bottom:10px}
.gi-thumbs::-webkit-scrollbar{display:none}
.gi-thumbs img{width:44px;height:44px;border-radius:5px;object-fit:cover;opacity:.4;cursor:pointer;transition:.15s;flex-shrink:0;border:1.5px solid transparent}
.gi-thumbs img.active{opacity:1;border-color:#fff;box-shadow:0 0 10px rgba(255,255,255,.2)}
.gi-actions{display:flex;gap:8px;justify-content:center}
.gi-icon-btn{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;color:#fff;transition:.15s;border:1px solid rgba(255,255,255,.08);flex-shrink:0}
.gi-icon-btn:hover{background:rgba(255,255,255,.2)}
.gi-icon-btn svg{width:18px;height:18px}
.gi-media-info{text-align:center;margin-bottom:8px}
.gi-media-title{font-size:var(--text-md);font-weight:700;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gi-media-meta{font-size:var(--text-sm);color:rgba(255,255,255,.5);margin-top:2px}
.gi-audio-row{display:flex;align-items:center;gap:10px}
.gi-audio-row audio{flex:1;height:36px;filter:invert(0.85) hue-rotate(180deg)}
.gi-music-disc{width:200px;height:200px;border-radius:50%;overflow:hidden;position:relative;box-shadow:0 12px 48px rgba(0,0,0,.5),0 0 0 4px rgba(255,255,255,.06)}
.gi-music-disc.rotating{animation:music-spin 8s linear infinite}
.gi-music-disc img{width:100%;height:100%;object-fit:cover}
.gi-music-disc .gi-disc-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#2a2a2a,#1a1a1a);color:rgba(255,255,255,.3)}
.gi-music-disc::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.8);z-index:2}
@keyframes music-spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* 移动端Tab栏（桌面端隐藏） */
.tabbar{display:none}

/* 历史记录页（桌面端隐藏） */
.history-page{display:none}

/* 窄桌面端：压缩最右侧操作区，避免挤压中间信息 */
@media(min-width:769px) and (max-width:900px){
  .action-bar{gap:4px}
  .action-bar .btn-sm{padding:5px 4px;font-size:var(--text-xs);gap:0}
  .action-bar .btn-sm svg{display:none}
}

/* Responsive - 移动端重新设计 */
@media(max-width:768px){
  html,body{overflow:hidden;height:100%;height:100dvh}
  body{-webkit-tap-highlight-color:transparent}

  /* 导航栏 */
  .nav{height:48px;padding:0 14px;margin:-10px -12px 8px}
  .nav-brand{font-size:var(--text-md);gap:8px}
  .nav-brand .logo{width:26px;height:26px;border-radius:5px}
  .nav-brand .logo svg{width:14px;height:14px}
  .nav-link{padding:5px 12px;font-size:var(--text-xs);border-radius:5px}

  /* 工作区：输入区与结果区共用滚动容器，底部导航独立占位 */
  .workspace{flex:1;min-height:0;height:auto;flex-direction:column;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch}

  /* 输入栏：顶部紧凑 */
  .panel-left{order:1;flex:none;width:100%;min-width:0;max-width:100%;border-right:none;border-bottom:1px solid var(--border);padding:10px 12px;display:flex;flex-direction:column;gap:8px;background:var(--surface)}
  .panel-left .input{flex:none;min-height:140px;max-height:200px;font-size:var(--text-md);padding:10px 12px;line-height:var(--lh-normal);border-radius:5px}
  .count-row{margin-top:0}
  .count-pill{padding:3px 8px;font-size:var(--text-xs);gap:5px}
  .count-pill .num{font-size:var(--text-sm)}
  .count-bar{width:32px}
  .alert-error{margin-top:0;padding:7px 10px;font-size:var(--text-base)}
  .action-row{margin-top:0;gap:8px}
  .action-row .btn{padding:8px 12px;font-size:var(--text-md)}
  .btn-primary{flex:1}

  /* 结果区 */
  .panel-right{order:2;flex:none;overflow:visible;padding:10px 10px 12px}
  .workspace.show-history #emptyState,
  .workspace.show-history #feedHead,
  .workspace.show-history #feed{display:none}
  .workspace.show-history #historyPage{display:block}
  .workspace.show-history .panel-left{display:none}

  /* 历史页 */
  .history-page{padding:4px 0}
  .history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;padding:0 2px}
  .history-title{font-size:var(--text-md);font-weight:700}
  .history-count{font-size:var(--text-xs);color:var(--text-3)}
  .history-list{display:flex;flex-direction:column;gap:8px}
  .history-item{background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:10px 12px;display:flex;gap:10px;align-items:center}
  .history-item .hi-cover{width:44px;height:44px;border-radius:5px;object-fit:cover;flex-shrink:0;background:var(--border-light)}
  .history-item .hi-info{flex:1;min-width:0}
  .history-item .hi-title{font-size:var(--text-md);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .history-item .hi-meta{font-size:var(--text-xs);color:var(--text-3);margin-top:2px}
  .history-item .hi-fail{opacity:.6}
  .history-empty{text-align:center;padding:40px 20px;color:var(--text-3);font-size:var(--text-md)}

  /* Tab栏：sticky固定底部，不随内容滚动 */
  .tabbar{display:flex;position:sticky;bottom:0;z-index:50;flex:0 0 auto;padding:2px 6px calc(2px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -2px 10px rgba(15,23,42,.045)}
  .tabbar-inner{flex:1;display:flex;align-items:center;height:50px;background:transparent;padding:0}
  .tab-item{flex:1;height:50px;display:flex;align-items:center;justify-content:center;color:var(--text-3);cursor:pointer;transition:color .18s;position:relative}
  .tab-item::after{content:'';position:absolute;left:50%;bottom:1px;width:20px;height:3px;border-radius:3px;background:var(--primary);opacity:0;transform:translateX(-50%) scaleX(.4);transition:opacity .18s,transform .18s}
  .tab-item svg{width:25px;height:25px;transition:transform .18s}
  .tab-item:hover{color:var(--primary)}
  .tab-item:active svg{transform:scale(.9)}
  .tab-item.active{color:var(--primary)}
  .tab-item.active::after{opacity:1;transform:translateX(-50%) scaleX(1)}
  .tab-paste{flex:1;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer}
  .tab-paste-btn{width:50px;height:50px;border-radius:5px;background:transparent;color:var(--text-2);display:flex;align-items:center;justify-content:center;transition:color .18s,background .18s,transform .18s;border:none;cursor:pointer}
  .tab-paste-btn:hover{color:var(--primary);background:var(--primary-light)}
  .tab-paste-btn:active{transform:scale(.9)}
  .tab-paste-btn svg{width:25px;height:25px}

  /* 卡片 */
  .card{border-radius:5px}
  .card-header{padding:8px 12px}
  .header-left{gap:6px}
  .platform-chip{padding:2px 8px;font-size:var(--text-xs);gap:4px}
  .status-chip{font-size:var(--text-xs)}
  .header-btn{width:26px;height:26px}
  .header-btn svg{width:13px;height:13px}
  .card-body{padding:10px 12px}
  .media-info{--cover-size:88px;display:grid;grid-template-columns:var(--cover-size) minmax(0,1fr) auto;column-gap:8px;align-items:center}
  .media-cover{border-radius:5px}
  .cover-caption{bottom:4px;font-size:var(--text-xs)}
  .play-circle{width:32px;height:32px}
  .play-circle svg{width:14px;height:14px}
  .info-section{height:auto;min-height:88px;justify-content:flex-start;gap:6px}
  .info-meta-row{display:block}
  .info-meta-row .meta-tags{flex-wrap:wrap}
  .video-title{font-size:var(--text-md);-webkit-line-clamp:1;line-height:var(--lh-normal)}
  .author-row{gap:6px}
  .author-avatar{width:22px;height:22px}
  .author-avatar-placeholder svg{width:13px;height:13px}
  .author-name{font-size:var(--text-sm)}
  .meta-tags{gap:4px}
  .meta-tag{font-size:var(--text-xs);padding:1px 6px}
  .action-bar{grid-column:3;grid-row:1;flex-direction:column;flex-wrap:nowrap;justify-content:center;align-self:center;gap:5px;margin-left:0}
  .action-bar .btn-sm{padding:5px 7px;font-size:var(--text-xs);gap:3px}
  .action-bar .btn-sm svg{width:12px;height:12px}

  /* 图集 */
  .gallery-section{padding:0 12px 10px;padding-top:10px}
  .gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
  .gallery-item{border-radius:5px}
  .img-checkbox{width:18px;height:18px;top:4px;left:4px}
  .dl-overlay a{font-size:var(--text-xs);padding:3px 6px}

  /* 空状态：隐藏 */
  .empty-state{display:none !important}

  /* Feed */
  .feed{gap:8px}
  .feed-head{margin:-10px -10px 8px;padding:0 10px;height:48px;top:-10px}
  .feed-title{font-size:var(--text-md)}
  .feed-meta{font-size:var(--text-xs)}

  /* 弹窗全屏 */
  .modal{padding:0}
  .gi-content{padding:60px 16px 90px}
  .gi-nav{width:38px;height:38px}
  .gi-nav-prev{left:8px}
  .gi-nav-next{right:8px}
  .gi-content img,.gi-content video{max-height:65vh}
  .gi-music-disc{width:160px;height:160px}
  .gi-top{padding:12px 14px}
  .gi-bottom{padding:12px 14px}
  .gi-thumbs img{width:38px;height:38px}
  .gi-icon-btn{width:36px;height:36px}

  /* 提示弹窗 */
  .modal-box{width:calc(100% - 24px);max-width:360px;border-radius:5px}
  .modal-head{padding:15px}
  .modal-body{padding:15px}
  .modal-msg{font-size:var(--text-base)}
  .modal-foot{padding:15px}
  .modal-foot .btn{min-width:70px;font-size:var(--text-md);padding:9px 14px}
}