:root{color-scheme:light;--bg:#eef3f8;--bg-2:#f8fbff;--surface:rgba(255,255,255,0.88);--surface-strong:#ffffff;--surface-soft:#e8eef6;--fg:#101828;--muted:#667085;--line:rgba(16,24,40,0.08);--line-strong:rgba(16,24,40,0.14);--accent:#fb7299;--accent-strong:#e45a84;--accent-soft:rgba(251,114,153,0.14);--accent-alt:#1d9bf0;--vip:#ffb018;--radius:18px;--shadow:0 18px 48px rgba(15,23,42,0.08)}*{box-sizing:border-box}html{background:linear-gradient(180deg,rgba(29,155,240,.06),transparent 28%),linear-gradient(135deg,#f7fbff,#eef3f8 42%,#f5f8fb)}body{margin:0;min-height:100vh;color:var(--fg);background:radial-gradient(circle at top right,rgba(251,114,153,.1),transparent 20%),radial-gradient(circle at top left,rgba(29,155,240,.08),transparent 24%),linear-gradient(180deg,rgba(255,255,255,.65),rgba(238,243,248,.95));font-family:Avenir Next,PingFang SC,Hiragino Sans GB,Noto Sans SC,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}img{display:block;max-width:100%}.app-shell{min-height:100vh}.app-main{padding:18px 16px 98px}.app-frame,.topbar-inner,.topbar-subline{width:min(100%,1120px);margin:0 auto}.topbar{position:sticky;top:0;z-index:50;padding-top:12px;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(180deg,rgba(248,251,255,.92),rgba(248,251,255,.7));border-bottom:1px solid rgba(255,255,255,.65)}.topbar-inner{display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:center}.topbar-subline{padding:8px 2px 12px;color:var(--muted);font-size:13px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;font-size:15px;font-weight:800}.brand-mark{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;color:white;background:linear-gradient(135deg,var(--accent) 0,#ff8f70 100%);box-shadow:0 10px 28px rgba(251,114,153,.28)}.search-pill{min-width:0;display:inline-flex;align-items:center;gap:8px;padding:11px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.6);background:rgba(255,255,255,.76);color:var(--muted);white-space:nowrap;overflow:hidden}.search-pill span{overflow:hidden;text-overflow:ellipsis}.surface{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.button,.icon-button{border:1px solid transparent;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:transform .12s ease,background .12s ease,border-color .12s ease}.icon-button{position:relative;width:42px;height:42px;color:var(--fg);background:rgba(255,255,255,.84);border-color:rgba(255,255,255,.6)}.button{min-height:42px;padding:0 18px;background:var(--accent);color:white;font-weight:700}.button.secondary{background:rgba(255,255,255,.72);color:var(--fg);border-color:var(--line)}.button:hover,.icon-button:hover{transform:translateY(-1px)}.badge-dot{position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 5px;display:grid;place-items:center;border-radius:999px;background:var(--accent);color:white;font-size:11px;font-weight:800}.section{margin-top:18px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}.section-title h1,.section-title h2{margin:0;font-size:clamp(22px,4vw,28px);line-height:1.08}.section-title p{margin:0;color:var(--muted);font-size:13px}.hero-panel{display:grid;gap:16px;padding:22px 0 4px}.hero-copy{padding:20px;border-radius:26px;background:linear-gradient(140deg,rgba(255,255,255,.92),rgba(255,255,255,.62)),linear-gradient(135deg,rgba(251,114,153,.18),rgba(29,155,240,.16));border:1px solid rgba(255,255,255,.65);box-shadow:var(--shadow)}.hero-kicker{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.7);color:var(--accent-strong);font-size:12px;font-weight:800}.hero-copy h1{margin:14px 0 10px;font-size:clamp(30px,8vw,52px);line-height:1}.hero-copy p{margin:0;max-width:54ch;color:var(--muted);line-height:1.6}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-side{display:grid;gap:12px}.hero-metrics{padding:18px}.hero-metrics p,.hero-metrics span{color:var(--muted)}.hero-metrics strong{display:block;margin:8px 0 10px;font-size:40px;line-height:1}.hero-mini{margin-top:8px}.chip-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.chip-row::-webkit-scrollbar{display:none}.chip{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.76);border:1px solid rgba(255,255,255,.7);box-shadow:0 10px 24px rgba(15,23,42,.04)}.catalog-grid,.plan-grid,.video-grid{display:grid;gap:14px}.catalog-grid,.plan-grid,.video-grid{grid-template-columns:1fr}.video-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.8);box-shadow:0 16px 36px rgba(15,23,42,.06)}.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;border-radius:18px 18px 0 0;background:linear-gradient(160deg,#dfe9f6,#f8fbff)}.video-frame,.video-player,.video-thumb img{width:100%;height:100%;object-fit:cover;border:0}.video-thumb-fallback{width:100%;height:100%;display:grid;place-items:center;color:rgba(16,24,40,.42)}.video-overlay-bottom,.video-overlay-top{position:absolute;display:flex;gap:10px;pointer-events:none}.video-overlay-top{top:10px;right:10px;justify-content:flex-end}.video-overlay-bottom{inset:auto 10px 10px 10px;justify-content:flex-start}.video-badge{display:inline-flex;align-items:center;gap:4px;padding:6px 9px;border-radius:999px;color:white;background:rgba(16,24,40,.7);font-size:11px;font-weight:700}.video-badge.vip{background:linear-gradient(135deg,#ffc83d,#ff9851)}.video-meta{padding:12px 12px 14px}.video-meta h3{margin:0;font-size:15px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-meta p{margin:6px 0 0}.video-meta p,.video-stats{color:var(--muted);font-size:12px}.video-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.video-stats span{display:inline-flex;align-items:center;gap:4px}.account-header,.account-panel,.article-body,.auth-form,.catalog-card,.empty-state,.history-row,.notice-card,.plan-card,.player-panel{padding:18px}.catalog-card strong,.empty-state strong,.notice-card strong,.plan-card strong{display:block;font-size:18px}.account-panel p,.catalog-card em,.catalog-card span,.empty-state p,.notice-card p,.plan-card p{color:var(--muted)}.catalog-card em{display:inline-block;margin-top:10px;font-style:normal}.plan-card.popular{border-color:rgba(251,114,153,.28);box-shadow:0 18px 42px rgba(251,114,153,.12)}.plan-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.plan-card strong{font-size:34px}.account-overview-grid,.account-section-grid,.history-row,.stack-list{display:grid;gap:12px}.account-stat-card{display:grid;gap:10px;padding:16px 18px}.account-stat-card strong{font-size:28px;line-height:1}.account-panel-copy p,.account-stat-card p,.history-meta-bottom,.history-meta-top,.mini-copy p,.notice-top span,.section-note{color:var(--muted)}.account-avatar,.account-stat-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;color:var(--accent-strong);background:var(--accent-soft)}.account-stat-icon.vip{color:#9a6700;background:rgba(255,176,24,.16)}.account-stat-icon.accent-alt{color:var(--accent-alt);background:rgba(29,155,240,.12)}.status-chip{width:fit-content;min-height:28px;padding:0 10px;display:inline-flex;align-items:center;border-radius:999px;font-size:12px;font-weight:800;color:var(--fg);background:rgba(16,24,40,.06)}.status-chip.active{color:var(--accent-strong);background:var(--accent-soft)}.status-chip.expired{color:#9a3412;background:rgba(249,115,22,.14)}.status-chip.muted,.status-chip.none{color:var(--muted);background:rgba(102,112,133,.12)}.history-meta{display:grid;gap:10px;font-size:13px}.history-meta-bottom,.history-meta-top,.notice-top{display:flex;justify-content:space-between;gap:10px}.progress-track{width:100%;height:8px;overflow:hidden;border-radius:999px;background:rgba(16,24,40,.08)}.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-alt))}.account-header{display:grid;gap:16px}.account-header h1{margin:0;font-size:28px}.account-header p{margin:6px 0 0;color:var(--muted)}.account-identity{display:flex;align-items:center;gap:12px}.account-identity p{margin-top:4px}.account-actions{display:flex;flex-wrap:wrap;gap:10px}.account-panel{display:grid;gap:14px}.account-panel-copy strong,.mini-copy strong{display:block}.mini-list{display:grid;gap:10px}.mini-row{padding:14px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line)}.mini-row:first-child{padding-top:0;border-top:0}.mini-row:last-child{padding-bottom:0}.mini-copy{min-width:0}.mini-copy strong{font-size:15px;line-height:1.45}.mini-copy p{margin:4px 0 0;font-size:13px}.mini-meta{flex:0 0 auto;display:grid;justify-items:end;gap:6px;text-align:right;color:var(--muted);font-size:12px}.section-note{font-size:12px;font-weight:700}.notice-top{margin-bottom:10px;align-items:center}.notice-card span{color:var(--muted);font-size:12px}.empty-state{text-align:center}.auth-wrap{max-width:560px;margin-inline:auto}.auth-form{display:grid;gap:12px}.text-input{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-strong);color:var(--fg);outline:none}.text-input:focus{border-color:rgba(251,114,153,.36);box-shadow:0 0 0 4px rgba(251,114,153,.1)}.auth-submit{width:100%}.auth-footnote,.form-error,.inline-link{color:var(--muted)}.form-error{margin:0;color:#d53966}.auth-footnote{text-align:center}.inline-link{margin-left:8px;color:var(--accent-strong);font-weight:700}.player-panel{display:grid;gap:18px}.player-box{position:relative;overflow:hidden;border-radius:18px;aspect-ratio:16/9}.player-box,.video-frame{background:#0f172a}.player-locked{width:100%;height:100%;display:grid;place-items:center;align-content:center;gap:10px;padding:20px;text-align:center;color:white;background:linear-gradient(160deg,rgba(17,24,39,.96),rgba(55,65,81,.82))}.detail-copy h1{margin:10px 0;font-size:clamp(26px,5vw,40px);line-height:1.08}.detail-copy p{margin:0;color:var(--muted);line-height:1.7}.engagement-bar{margin:16px 0 0;display:flex;flex-wrap:wrap;gap:10px}.engagement-button{min-height:40px;padding:0 14px;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.76);color:var(--fg);font-size:13px;font-weight:700}.engagement-button.active{color:var(--accent-strong);border-color:rgba(251,114,153,.2);background:var(--accent-soft)}.detail-category,.detail-stats{color:var(--muted)}.detail-stats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px;font-size:13px}.article-body{line-height:1.8}.article-body :first-child{margin-top:0}.comment-card,.comment-form,.comment-login-hint{padding:18px}.comment-form{display:grid;gap:12px;margin-bottom:12px}.comment-input{width:100%;min-height:120px;resize:vertical;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface-strong);color:var(--fg);outline:none}.comment-input:focus{border-color:rgba(251,114,153,.36);box-shadow:0 0 0 4px rgba(251,114,153,.1)}.comment-form-actions,.comment-meta,.comment-top,.notice-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.comment-login-hint{margin-bottom:12px;display:flex;align-items:center;justify-content:space-between;gap:14px}.comment-login-hint p,.comment-meta span,.comment-top span{color:var(--muted)}.comment-card p{margin:10px 0 0;line-height:1.7}.comment-meta{margin-top:12px;justify-content:flex-start;flex-wrap:wrap;font-size:12px}.bottom-nav{position:fixed;left:50%;bottom:12px;z-index:60;transform:translateX(-50%);width:min(calc(100% - 20px),560px);padding:8px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;border-radius:22px;background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.72);box-shadow:0 18px 48px rgba(15,23,42,.12);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.bottom-nav-item{min-height:58px;padding:8px 6px;display:grid;place-items:center;align-content:center;gap:4px;border-radius:16px;color:var(--muted);font-size:11px;font-weight:700}.bottom-nav-item.active{color:var(--accent-strong);background:var(--accent-soft)}@media (min-width:760px){.app-main{padding-inline:22px;padding-bottom:32px}.hero-panel,.player-panel{grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr)}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-grid,.plan-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.account-overview-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.account-section-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.history-row{grid-template-columns:minmax(0,1fr) 180px;align-items:center}.account-header{grid-template-columns:1fr auto}.account-header,.comment-login-hint{align-items:center}.bottom-nav{display:none}}@media (min-width:1100px){.video-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}