.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:18px;align-items:start}
.detail-main{min-width:0;display:flex;flex-direction:column;gap:14px}
.article-paper{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:38px 48px;min-height:calc(100vh - 160px)}
.article-paper h1{margin:0 0 16px;font-size:28px;line-height:1.4;color:var(--c-ink);font-weight:700;font-family:var(--font-doc)}
.article-sub{display:flex;align-items:center;gap:10px;color:var(--c-muted);font-size:13px;margin-bottom:10px;flex-wrap:wrap}
.article-sub .price-tag{color:var(--c-red);font-weight:700;background:var(--c-red-soft);border-color:#ffd5dc}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;margin:0 0 22px;color:#8b8f97;font-size:14px;line-height:1.8}
.article-meta span{display:inline-flex;align-items:center;white-space:nowrap}
.article-meta span+span:before{content:"";width:1px;height:14px;background:#e1e4e8;margin:0 13px}
.article-meta b{color:#6f737b;font-weight:600;margin:0 2px}
.article-reading{display:grid;grid-template-columns:minmax(0,1fr);gap:0;border-top:1px solid var(--c-line-2)}
.article-paper.review-on .article-reading{grid-template-columns:minmax(0,1fr) 238px;gap:26px;align-items:start}
.article-content{line-height:2.05;color:var(--c-prose);font-size:16px;padding-top:24px;border-top:1px solid var(--c-line-2);font-family:var(--font-doc)}
.article-reading .article-content{border-top:0}
.article-content.plain{white-space:normal}
.article-content :where(p,div){margin:0 0 8px}
.article-karaoke-block{position:relative}
.article-plain-line{display:block;margin:0 0 16px;white-space:pre-wrap}
.article-karaoke-char{display:inline;color:inherit;transition:color .16s}
.article-karaoke-block.is-karaoke-sweeping .article-karaoke-char{animation:articleKaraokeChar .36s ease forwards;animation-delay:calc(var(--i) * var(--karaoke-step, .075s))}
.article-karaoke-block.is-karaoke-sweeping .article-karaoke-char.is-gap{animation:none}
@keyframes articleKaraokeChar{0%{color:var(--c-prose);text-shadow:none}45%{color:#f13f59;text-shadow:0 0 10px rgba(200,16,46,.22)}100%{color:var(--c-red);text-shadow:none}}
.article-content img{max-width:100%}
.article-content table{border-collapse:collapse;width:100%}
.article-content.is-preview{position:relative;max-height:560px;overflow:hidden}
.article-content.is-preview:after{content:"";position:absolute;left:0;right:0;bottom:0;height:150px;background:linear-gradient(to bottom,rgba(255,255,255,0),var(--c-surface));pointer-events:none}
.article-review-panel{display:none;padding:24px 0 0 22px;border-left:1px solid #eceff3;position:sticky;top:82px;color:#d6455d;font-family:var(--font-doc)}
.article-paper.review-on .article-review-panel{display:block}
.review-head{display:flex;align-items:baseline;gap:8px;margin-bottom:16px;color:#b91f3a}
.review-head strong{font-size:16px;font-weight:700}
.review-head span{font-size:12px;color:#c86b7b}
.review-list{display:flex;flex-direction:column;gap:20px}
.review-item{font-size:14px;line-height:1.75;color:#d6455d;cursor:pointer}
.review-item b{display:block;margin-bottom:4px;font-size:15px;color:#c92242;font-weight:700}
.review-item p{margin:0}
.review-item.is-active b,.review-item:hover b{text-decoration:underline;text-underline-offset:4px}
.ai-review-mark{background:linear-gradient(90deg,#ff5b74,#ff5b74) repeat-x 0 100%/10px 2px;text-decoration:underline wavy #ff4d68;text-decoration-thickness:1.5px;text-underline-offset:5px;border-radius:3px;cursor:pointer}
.ai-review-mark.is-active{background-color:#fff0f3}
.tool-stack .ai-btn.is-active{border-color:#ffbac6;background:var(--c-red-soft);color:var(--c-red)}
.unlock-panel{margin-top:18px;padding:20px;border:1px solid var(--c-red-line);border-radius:14px;background:linear-gradient(135deg,var(--c-red-soft),var(--c-surface));box-shadow:var(--sh-sm)}
.unlock-panel h3{margin:0 0 8px;font-size:17px;color:var(--c-ink);display:flex;align-items:center;gap:8px}
.unlock-panel h3 .icon{width:18px;height:18px;color:var(--c-red)}
.unlock-panel p{margin:0 0 14px;color:var(--c-muted);line-height:1.75;font-size:13.5px}
.unlock-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.unlock-price{color:var(--c-red);font-size:24px;font-weight:800;margin-right:auto}
.detail-side{display:flex;flex-direction:column;gap:14px}
.side-card{padding:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-sm)}
.side-card h3{display:flex;align-items:center;gap:8px;margin:0 0 14px;font-size:15px;font-weight:600;color:var(--c-ink)}
.side-card h3 .icon{color:var(--c-red);width:17px;height:17px}
.tool-stack{display:flex;flex-direction:column;gap:9px}
.tool-stack .ai-btn{width:100%}
.paybox .pb-price{display:flex;align-items:baseline;gap:6px;margin:6px 0 14px}
.paybox .pb-price strong{font-size:30px;color:var(--c-red);font-weight:700}
.paybox .pb-price em{font-style:normal;color:var(--c-red);font-size:16px}
.lock-tip{margin:8px 0 0;color:var(--c-muted);font-size:12.5px;line-height:1.7}
.note-card{color:var(--c-muted);line-height:1.8;font-size:13px;margin:0}
.article-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.article-pager a{min-width:0;display:flex;align-items:center;gap:10px;padding:16px 18px;border:1px solid var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);box-shadow:var(--sh-sm);color:var(--c-ink-2);text-decoration:none;transition:.15s}
.article-pager a.next{justify-content:flex-end;text-align:right}
.article-pager a:hover{border-color:var(--c-red);background:var(--c-red-soft);color:var(--c-red);transform:translateY(-1px)}
.article-pager a.disabled{opacity:.45;pointer-events:none;background:var(--c-line-2)}
.article-pager .icon{width:16px;height:16px;flex:none}
.article-pager small{display:block;margin-bottom:3px;color:var(--c-faint);font-size:12px}
.article-pager strong{display:block;min-width:0;font-size:14px;font-weight:600;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-list{display:flex;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none}
.side-list li{min-width:0}
.side-list a{display:grid;grid-template-columns:18px minmax(0,1fr);gap:8px;align-items:start;padding:7px 0;color:var(--c-ink-2);text-decoration:none;border-bottom:1px solid var(--c-line-2)}
.side-list li:last-child a{border-bottom:0}
.side-list a:hover .sl-title{color:var(--c-red)}
.side-list .rank{width:18px;height:18px;border-radius:6px;background:var(--c-line-2);color:var(--c-faint);font-size:11px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.side-list li:nth-child(-n+3) .rank{background:var(--c-red-soft);color:var(--c-red);font-weight:700}
.side-list .sl-title{display:block;font-size:13px;line-height:1.45;color:var(--c-ink-2);transition:.15s}
.side-list .sl-meta{display:flex;gap:8px;margin-top:3px;color:var(--c-faint);font-size:11.5px}
.side-list .sl-meta em{min-width:0;font-style:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-content-pay-mask{position:fixed;inset:0;z-index:10030;background:rgba(0,0,0,.58);display:none;align-items:center;justify-content:center;padding:26px}
.ai-content-pay-mask.show{display:flex}
.ai-content-pay-dialog{width:860px;max-width:100%;max-height:92vh;overflow:auto;border-radius:8px;background:linear-gradient(135deg,#ffd7ad 0,#fff7ed 48%,#fff 100%);box-shadow:0 30px 90px rgba(0,0,0,.32);position:relative;padding:30px}
.ai-content-pay-close{position:absolute;right:16px;top:14px;width:38px;height:38px;border:0;background:transparent;color:#7a2d0b;font-size:30px;line-height:1;cursor:pointer}
.ai-content-pay-close:hover{background:#fff}
.ai-content-pay-head{text-align:center;color:#6d280b;margin-bottom:18px}
.ai-content-pay-head h2{margin:0;font-size:26px;font-weight:800}
.ai-content-pay-head p{margin:8px 0 0;color:#8b6b5b;font-size:14px}
.ai-content-pay-main{display:flex;gap:28px;align-items:center;background:rgba(255,255,255,.7);border-radius:6px;padding:24px 28px;margin-bottom:20px}
.ai-content-pay-left{flex:none;width:210px}
.ai-content-pay-qr{width:180px;height:180px;margin:0 auto;border:1px solid #d8dadd;border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.ai-content-pay-qr img{width:92%;height:100%;object-fit:contain}
.ai-content-pay-right{flex:1;min-width:0}
.ai-content-pay-money-tip{display:flex;align-items:center;gap:18px;color:#666;font-size:17px;margin-bottom:14px}
.ai-content-pay-time{color:#6d3d00;font-size:16px}
.ai-content-pay-price{color:#ff5f00;font-size:52px;font-weight:800;line-height:1.2;white-space:nowrap}
.ai-content-pay-price em{font-style:normal;font-size:24px;margin-right:6px;color:#fc503e}
.ai-content-pay-desc{margin-top:20px;display:flex;align-items:center;gap:9px;color:#888;font-size:15px}
.ai-content-pay-desc .pay-icon{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center}
.ai-content-pay-desc .pay-icon svg{width:30px;height:30px}
.ai-content-pay-loading{color:var(--c-muted);font-size:13px;text-align:center}
.ai-content-pay-loading:before{content:"";display:block;width:32px;height:32px;border-radius:50%;border:3px solid #eee;border-top-color:#bf943e;margin:54px auto 12px;animation:ai-content-spin .8s linear infinite}
.ai-content-pay-error{color:var(--c-red);font-size:13px;line-height:1.7;padding:56px 12px 0;text-align:center}
.ai-content-pay-open{height:38px;border:0;border-radius:10px;background:var(--c-red);color:#fff;padding:0 16px;cursor:pointer}
.ai-content-pay-methods{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.7);border-radius:6px;padding:18px 20px}
.ai-content-pay-methods label{flex:none;color:#18181b;font-size:15px}
.ai-content-pay-methods ul{display:flex;align-items:center;gap:10px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.ai-content-pay-methods li{width:136px;height:50px;border:2px solid #ddd;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;gap:7px;position:relative;cursor:pointer;overflow:hidden;color:#18181b}
.ai-content-pay-methods li svg{width:25px;height:25px}
.ai-content-pay-methods li.is-active{border-color:#bf943e;color:#bf943e;font-weight:800}
.ai-content-pay-methods li .flag{display:none;position:absolute;right:-13px;bottom:-13px;width:28px;height:36px;background:#bf943e;transform:rotate(40deg)}
.ai-content-pay-methods li.is-active .flag{display:block}
.ai-content-pay-methods li .flag:after{content:"";position:absolute;left:8px;top:7px;width:8px;height:4px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-85deg)}
.ai-content-pay-foot{margin-top:16px;color:var(--c-muted);font-size:13px;text-align:center}
@keyframes ai-content-spin{to{transform:rotate(360deg)}}
@media(max-width:980px){.detail-layout{grid-template-columns:1fr}.article-paper{padding:24px}.article-paper h1{font-size:23px}.article-paper.review-on .article-reading{grid-template-columns:1fr}.article-review-panel{position:static;border-left:0;border-top:1px solid #eceff3;padding:18px 0 0}}
@media(max-width:760px){.ai-content-pay-dialog{padding:24px 18px}.ai-content-pay-main{display:block;text-align:center}.ai-content-pay-left{width:auto;margin-bottom:18px}.ai-content-pay-money-tip{justify-content:center;flex-wrap:wrap}.ai-content-pay-price{font-size:42px}.ai-content-pay-methods{align-items:flex-start}.ai-content-pay-methods ul{flex:1}.ai-content-pay-methods li{width:calc(50% - 5px)}}
@media(max-width:640px){.article-pager{grid-template-columns:1fr}.article-pager a.next{justify-content:flex-start;text-align:left}}