:root {
    --ed-serif: 'Georgia', 'Times New Roman', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    --ed-hairline: var(--border);
}

.hl { color: var(--accent); font-weight: 600; }

/* ===== 刊头 Masthead ===== */
.ed-hero { max-width: 1200px; margin: 0 auto; padding: 180px 24px 80px; animation: fadeInUp 0.8s ease; }
.ed-eyebrow { display: inline-flex; align-items: center; gap: 14px; font-size: 12px; letter-spacing: 0.35em; text-transform: uppercase; color: var(--accent); margin-bottom: 30px; }
.ed-eyebrow::before { content: ''; width: 42px; height: 1px; background: var(--accent); }
.ed-hero h1 { font-family: var(--ed-serif); font-size: clamp(38px, 5vw, 60px); font-weight: 800; line-height: 1.22; letter-spacing: 0.01em; margin-bottom: 26px; }
.ed-hero h1 span { background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ed-deck { max-width: 680px; font-size: 17px; color: var(--text-dim); line-height: 1.9; margin-bottom: 34px; }
.ed-tags { display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 44px; }
.ed-tags span { padding: 4px 20px; border-left: 1px solid var(--ed-hairline); color: var(--text-secondary); font-size: 14px; }
.ed-tags span:first-child { border-left: none; padding-left: 0; }
.ed-meta { display: flex; flex-wrap: wrap; gap: 12px 48px; border-block: 1px solid var(--ed-hairline); padding: 18px 0; margin-top: 44px; font-size: 13px; color: var(--text-faint); letter-spacing: 0.06em; }
.ed-meta strong { color: var(--text-secondary); font-weight: 600; }
.ed-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--ed-hairline); box-shadow: none; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.05); border-color: var(--accent); color: var(--accent); box-shadow: none; }

/* ===== 事实栏 ===== */
.ed-facts { border-block: 1px solid var(--ed-hairline); background: rgba(255, 255, 255, 0.015); }
.ed-facts-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; flex-wrap: wrap; }
.ed-fact { flex: 1; min-width: 150px; padding: 40px 28px; border-left: 1px solid var(--ed-hairline); }
.ed-fact:first-child { border-left: none; padding-left: 0; }
.ed-fact-num { font-family: var(--ed-serif); font-size: 42px; font-weight: 800; line-height: 1; color: var(--text); }
.ed-fact-label { font-size: 13px; color: var(--text-faint); letter-spacing: 0.14em; margin-top: 10px; }

/* ===== 分栏区块 ===== */
.ed-section { border-top: 1px solid var(--ed-hairline); }
.ed-split { max-width: 1200px; margin: 0 auto; padding: 96px 24px; display: grid; grid-template-columns: 320px 1fr; gap: 72px; align-items: start; }
.ed-aside { position: sticky; top: 110px; }
.ed-aside h2 { font-family: var(--ed-serif); font-size: 32px; font-weight: 800; line-height: 1.35; margin-bottom: 14px; }
.ed-aside > p { font-size: 14.5px; color: var(--text-dim); line-height: 1.8; }
.ed-rule { width: 48px; height: 2px; background: var(--gradient); margin: 24px 0; }
.ed-aside-note { font-size: 13px; color: var(--text-faint); line-height: 1.8; }

/* ===== 编号条目 ===== */
.ed-entry { display: grid; grid-template-columns: 84px 1fr; gap: 26px; padding: 32px 0; border-top: 1px solid var(--ed-hairline); }
.ed-entry:last-child { border-bottom: 1px solid var(--ed-hairline); }
.ed-num { font-family: var(--ed-serif); font-size: 28px; font-weight: 700; line-height: 1.2; color: var(--text-faint); font-variant-numeric: tabular-nums; transition: color 0.3s ease; }
.ed-entry:hover .ed-num { color: var(--accent); }
.ed-entry-body h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.ed-entry-body h3 i, .ed-entry-body h3 .ed-emoji { margin-right: 10px; color: var(--accent); }
.ed-entry-body > p { font-size: 14.5px; color: var(--text-dim); line-height: 1.85; }
.ed-grid2 { display: grid; grid-template-columns: 1fr 1fr; column-gap: 56px; }
.ed-grid2 .ed-entry { grid-template-columns: 64px 1fr; }
.ed-sub { font-family: var(--ed-serif); font-size: 22px; font-weight: 800; color: var(--text); padding: 44px 0 6px; }

/* ===== 条目内组件 ===== */
.ed-checks { list-style: none; margin-top: 10px; }
.ed-checks li { position: relative; padding: 5px 0 5px 22px; font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.ed-checks li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.ed-blist { list-style: none; margin-top: 10px; }
.ed-blist li { padding: 5px 0; font-size: 14px; color: var(--text-dim); line-height: 1.7; }
.ed-olist { margin: 10px 0 0 20px; }
.ed-olist li { padding: 4px 0; font-size: 14px; color: var(--text-dim); line-height: 1.8; }
.ed-olist ul { margin: 6px 0 6px 20px; list-style: disc; }
.ed-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.ed-chip { font-size: 12px; padding: 4px 13px; border: 1px solid var(--ed-hairline); border-radius: 999px; color: var(--text-dim); letter-spacing: 0.06em; transition: all 0.3s ease; }
.ed-entry:hover .ed-chip { border-color: rgba(0, 229, 255, 0.35); color: var(--text-secondary); }
.ed-code { display: block; margin: 12px 0; padding: 14px 16px; background: var(--bg-0); border: 1px solid var(--ed-hairline); border-radius: 8px; font-family: 'Courier New', monospace; font-size: 13px; color: var(--text-secondary); word-break: break-all; }
.ed-entry-body code:not(.ed-code) { padding: 2px 8px; background: var(--bg-0); border: 1px solid var(--ed-hairline); border-radius: 5px; font-family: 'Courier New', monospace; font-size: 13px; color: var(--accent); }
.ed-figure { margin-top: 16px; border: 1px solid var(--ed-hairline); border-radius: 10px; overflow: hidden; }
.ed-figure img { display: block; width: 100%; height: auto; }
.ed-media { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; margin-top: 16px; }
.ed-entry:nth-child(even) .ed-media { direction: rtl; }
.ed-media > * { direction: ltr; }
.ed-media img { width: 100%; border-radius: 10px; border: 1px solid var(--ed-hairline); }

/* ===== 定义列表（设置项） ===== */
.ed-def { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 16px 0; border-top: 1px solid var(--ed-hairline); }
.ed-def:last-child { border-bottom: 1px solid var(--ed-hairline); }
.ed-def dt { font-weight: 600; color: var(--text); font-size: 14.5px; }
.ed-def dd { color: var(--text-dim); font-size: 14px; line-height: 1.7; }

/* ===== 表格 ===== */
.ed-tablewrap { overflow-x: auto; border: 1px solid var(--ed-hairline); border-radius: 10px; margin-top: 16px; }
.ed-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.ed-table th { text-align: left; padding: 14px 18px; font-size: 13px; letter-spacing: 0.08em; color: var(--accent); background: rgba(255, 255, 255, 0.03); border-bottom: 1px solid var(--ed-hairline); white-space: nowrap; }
.ed-table td { padding: 13px 18px; font-size: 14px; color: var(--text-dim); border-bottom: 1px solid var(--ed-hairline); line-height: 1.7; }
.ed-table tr:last-child td { border-bottom: none; }
.ed-table tr:hover td { background: rgba(255, 255, 255, 0.02); }
kbd { display: inline-block; padding: 4px 12px; border: 1px solid var(--ed-hairline); border-bottom-width: 2px; border-radius: 6px; background: var(--bg-0); font-family: 'Courier New', monospace; font-size: 12.5px; color: var(--text); }

/* ===== 标签页 ===== */
.ed-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.ed-tab-btn { background: transparent; border: 1px solid var(--ed-hairline); color: var(--text-dim); padding: 10px 22px; border-radius: 999px; cursor: pointer; font-size: 14px; transition: all 0.3s; }
.ed-tab-btn:hover { border-color: var(--accent); color: var(--text); }
.ed-tab-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(0, 229, 255, 0.08); }
.ed-tab-pane { display: none; }
.ed-tab-pane.active { display: block; animation: fadeInUp 0.4s ease; }
.ed-tab-pane h3 { font-size: 20px; color: var(--text); margin-bottom: 8px; }
.ed-tab-pane > p { color: var(--text-dim); font-size: 14.5px; margin-bottom: 6px; }

/* ===== 截图墙 ===== */
.ed-shotgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.ed-shot { border: 1px solid var(--ed-hairline); border-radius: 12px; overflow: hidden; background: rgba(255, 255, 255, 0.02); margin: 0; }
.ed-shot img { display: block; width: 100%; height: auto; }
.ed-shot figcaption { padding: 14px 18px; border-top: 1px solid var(--ed-hairline); font-size: 14px; color: var(--text-secondary); letter-spacing: 0.04em; }
.ed-shot.wide { grid-column: 1 / -1; }

/* ===== 编者按 / 提示框 ===== */
.ed-note { margin-top: 36px; padding: 24px 28px; border-left: 3px solid var(--accent-3); background: rgba(255, 45, 149, 0.05); }
.ed-note h4 { font-size: 15px; color: var(--accent-3); margin-bottom: 8px; }
.ed-note p, .ed-note li { font-size: 14px; color: var(--text-dim); line-height: 1.8; }
.ed-note ul, .ed-note ol { margin: 8px 0 0 20px; }
.ed-note a { color: var(--accent); text-decoration: underline; }
.ed-note.info { border-left-color: var(--accent); background: rgba(0, 229, 255, 0.05); }
.ed-note.info h4 { color: var(--accent); }

/* ===== FAQ ===== */
.ed-faq-item { padding: 30px 0; border-top: 1px solid var(--ed-hairline); }
.ed-faq-item:last-child { border-bottom: 1px solid var(--ed-hairline); }
.ed-faq-item h4 { font-size: 16.5px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.ed-faq-item h4 .q { font-family: var(--ed-serif); font-style: italic; color: var(--accent); margin-right: 10px; }
.ed-faq-item .ed-faq-a { font-size: 14.5px; color: var(--text-dim); line-height: 1.85; padding-left: 26px; }

/* ===== 热键行 ===== */
.ed-keys { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; margin-top: 14px; }
.ed-key { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--ed-hairline); border-radius: 8px; font-size: 14px; color: var(--text-dim); }

/* ===== 系统要求 ===== */
.ed-req { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.ed-req-item { padding: 18px 20px; border: 1px solid var(--ed-hairline); border-left: 3px solid var(--accent); border-radius: 8px; }
.ed-req-item strong { display: block; color: var(--text); font-size: 14px; margin-bottom: 6px; }
.ed-req-item span { color: var(--text-dim); font-size: 13.5px; }
.ed-req-item a { color: var(--accent); font-size: 13.5px; }

/* ===== 流程图 ===== */
.ed-flow { display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap; }
.ed-flow-box { padding: 10px 18px; border: 1px solid var(--ed-hairline); border-radius: 8px; font-size: 13.5px; color: var(--text-dim); }
.ed-flow-box.main { border-color: rgba(0, 229, 255, 0.5); color: var(--accent); font-weight: 600; }
.ed-flow-arrow { color: var(--text-faint); }

/* ===== 结尾 & 下载 ===== */
.ed-closing { border-top: 1px solid var(--ed-hairline); text-align: center; padding: 100px 24px 0; }
.ed-closing h2 { font-family: var(--ed-serif); font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 18px; }
.ed-closing > p { color: var(--text-dim); font-size: 16px; max-width: 620px; margin: 0 auto; line-height: 1.8; }
.ed-download { padding: 70px 24px 110px; }
.ed-dl-card { max-width: 640px; margin: 0 auto; border: 1px solid var(--ed-hairline); padding: 52px 36px 46px; text-align: center; position: relative; }
.ed-dl-card::before { content: ''; position: absolute; top: -1px; left: 20%; right: 20%; height: 2px; background: var(--gradient); }
.ed-dl-card h4 { font-size: 20px; color: var(--text); margin-bottom: 10px; }
.ed-dl-card > p { font-size: 14px; color: var(--text-dim); margin-bottom: 8px; line-height: 1.8; }
.ed-qq-group { font-family: var(--ed-serif); font-size: 30px; font-weight: 800; letter-spacing: 0.06em; color: var(--accent); margin: 14px 0 26px; }

/* ===== 弹窗 ===== */
.overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.7); z-index: 9999; }
.notice-dialog { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--bg-1); padding: 40px; border-radius: 12px; border: 1px solid var(--accent); max-width: 500px; width: 90%; z-index: 10000; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5); }
.notice-dialog h3 { color: var(--accent); margin-bottom: 20px; font-size: 22px; }
.notice-dialog p { color: var(--text-dim); margin-bottom: 12px; line-height: 1.8; font-size: 14.5px; }
.notice-dialog ul { color: var(--text-dim); margin: 0 0 16px 20px; }
.notice-dialog li { margin-bottom: 8px; font-size: 14px; }
.close-btn { display: block; width: 100%; padding: 12px; background: var(--gradient); color: #fff; border: none; border-radius: 8px; font-size: 15px; cursor: pointer; font-weight: 700; margin-top: 16px; }
.close-btn:hover { opacity: 0.9; }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
    .ed-hero { padding: 140px 20px 60px; }
    .ed-split { grid-template-columns: 1fr; gap: 40px; padding: 64px 20px; }
    .ed-aside { position: static; }
    .ed-entry { grid-template-columns: 56px 1fr; gap: 18px; }
    .ed-num { font-size: 22px; }
    .ed-grid2 { grid-template-columns: 1fr; column-gap: 0; }
    .ed-fact { flex: 1 1 40%; padding: 28px 18px; }
    .ed-fact-num { font-size: 34px; }
    .ed-shotgrid { grid-template-columns: 1fr; }
    .ed-media { grid-template-columns: 1fr; }
    .ed-def { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 600px) {
    .ed-tags span { padding: 4px 12px; font-size: 13px; }
    .ed-fact { flex: 1 1 100%; border-left: none; padding: 22px 0; border-top: 1px solid var(--ed-hairline); }
    .ed-fact:first-child { border-top: none; }
    .ed-faq-item .ed-faq-a { padding-left: 0; }
}

/* ===== 手机端（<480px）细节适配 ===== */
@media (max-width: 480px) {
    .ed-hero { padding: 120px 16px 48px; }
    .ed-hero h1 { font-size: clamp(26px, 8vw, 34px); line-height: 1.25; }
    .ed-eyebrow { font-size: 11px; letter-spacing: 0.28em; gap: 10px; }
    .ed-deck { font-size: 15px; line-height: 1.7; }
    .ed-tags { gap: 8px; }
    .ed-tags span { font-size: 12px; padding: 4px 10px; }
    .ed-split { gap: 28px; padding: 48px 16px; }
    .ed-entry { grid-template-columns: 40px 1fr; gap: 12px; padding: 24px 0; }
    .ed-entry-body h3 { font-size: 17px; }
    .ed-entry-body p, .ed-entry-body li { font-size: 14px; line-height: 1.7; }
    .ed-num { font-size: 18px; }
    .ed-grid2 { gap: 20px; }
    .ed-facts { padding: 8px 0; }
    .ed-fact { padding: 18px 0; }
    .ed-fact-num { font-size: 28px; }
    .ed-fact-label { font-size: 12.5px; }
    .ed-section { padding: 48px 16px; }
    .ed-closing { padding: 64px 16px 0; }
    .ed-closing h2 { font-size: 26px; }
    .ed-closing > p { font-size: 14.5px; }
    .ed-download { padding: 48px 16px 70px; }
    .ed-dl-card { padding: 40px 20px 36px; }
    .ed-qq-group { font-size: 24px; }
    .ed-chips { gap: 8px; }
    .ed-chip { font-size: 12.5px; padding: 6px 12px; }
    .ed-flow { gap: 8px; }
    .ed-flow-box { padding: 8px 14px; font-size: 12.5px; }
    .ed-blist, .ed-olist { padding-left: 18px; }
    .ed-blist li, .ed-olist li { font-size: 14px; line-height: 1.7; margin-bottom: 8px; }
    .ed-code { font-size: 12.5px; padding: 10px 12px; overflow-x: auto; }
    .ed-tablewrap { max-width: 100%; width: 100%; }
    .ed-table { min-width: 440px; }
    .ed-table th { padding: 11px 12px; font-size: 12px; }
    .ed-table td { padding: 11px 12px; font-size: 13px; line-height: 1.6; }
    .ed-table kbd { font-size: 12px; padding: 2px 7px; }
    .notice-dialog { padding: 28px 20px; }
    .notice-dialog h3 { font-size: 19px; }
    .btn, .btn-ghost { padding: 13px 24px; font-size: 14px; width: 100%; max-width: 320px; }
    .ed-cta { flex-direction: column; align-items: center; gap: 12px; }
}