/* ==========================================================================
   theme369 · 战术日志风 (FIELD LOG)
   主色：森林绿 #3d5a3d / 琥珀 #d9a441 / 战术黑 #0f1410 / 米白 #e8e4d8
   ========================================================================== */

:root {
    --color-bg: #0f1410;
    --color-bg-alt: #131a16;
    --color-surface: #1a2620;
    --color-surface-2: #233029;
    --color-border: #2d3d33;
    --color-border-soft: #3a4a40;
    --color-text: #e8e4d8;
    --color-text-dim: #a5ad9f;
    --color-text-muted: #6f7a72;
    --color-primary: #3d5a3d;
    --color-primary-bright: #4f7350;
    --color-accent: #d9a441;
    --color-accent-dim: #8a6a2c;
    --color-warn: #c25450;
    --color-success: #6b9a5c;
    --radius: 2px;
    --radius-lg: 4px;
    --mono: 'Courier New', monospace;
    --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* 等宽字点缀 */
.mono, .log-rail, .log-ticker, .hero-tag, .section-head span,
.layer-grid article span, .atlas-grid article span, .seq-row strong,
.log-articles article b, .article-meta b, .stack-card small,
.hero-meta dt, .chapter-card span, .layer-card header span,
.stove-diagram b, .gear-notice b, .log-product-head span,
.log-page-head span, .article-head span, .protocol-block::before,
.search-tips .tip-tags li a, .search-results-static article span {
    font-family: var(--mono);
    letter-spacing: 0.05em;
}

a { color: var(--color-accent); text-decoration: none; transition: color .15s; }
a:hover, a:focus { color: var(--color-text); }

img { max-width: 100%; height: auto; display: block; }

/* A11y: 跳转链接 */
.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--color-accent); color: var(--color-bg);
    padding: 8px 16px; font-weight: 700; z-index: 9999;
}
.skip-link:focus { left: 0; }

/* 全局焦点样式 */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0, 0, 0, 0); border: 0;
}

/* 容器 */
.log-shell {
    width: 100%; max-width: 1240px;
    margin: 0 auto; padding: 0 24px;
}

/* ===== Top Rail ===== */
.log-rail {
    background: var(--color-accent);
    color: var(--color-bg);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 6px 0;
    display: flex; justify-content: space-between;
}
.log-rail span { padding: 0 24px; }
.log-rail span:last-child { color: var(--color-bg); opacity: 0.7; }

/* ===== Header ===== */
.log-head {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 100;
}
.head-grid {
    display: flex; align-items: center;
    gap: 24px; padding: 14px 0;
    flex-wrap: wrap;
}
.log-logo {
    display: flex; align-items: center; gap: 10px;
    color: var(--color-text);
}
.log-logo span {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px;
    background: var(--color-primary);
    color: var(--color-accent);
    font-family: var(--mono);
    font-weight: 700; font-size: 18px; line-height: 1;
    border: 1px solid var(--color-border-soft);
}
.log-logo strong {
    display: flex; flex-direction: column;
    font-size: 16px; font-weight: 700;
    line-height: 1.1;
}
.log-logo strong small {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-top: 2px;
}
.log-nav {
    display: flex; gap: 4px;
    flex: 1; min-width: 0;
    flex-wrap: wrap;
}
.log-nav a {
    color: var(--color-text-dim);
    padding: 8px 14px;
    font-size: 14px;
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.log-nav a:hover {
    color: var(--color-accent);
    border-color: var(--color-border);
    background: var(--color-surface);
}
.log-nav .nav-drop { position: relative; display: flex; }.log-nav .nav-drop > a { display: flex; align-items: center; white-space: nowrap; }
.log-nav .nav-drop-menu { display: none; position: absolute; top: 100%; left: 0; z-index: 999; min-width: 150px; background: var(--color-surface); border: 1px solid var(--color-border); box-shadow: var(--shadow); list-style: none; padding: 6px 0; margin: 0; }
.log-nav .nav-drop:hover .nav-drop-menu { display: block; }
.log-nav .nav-drop-menu li a { display: block; padding: 8px 16px; font-size: 13px; color: var(--color-text-dim); white-space: nowrap; }
.log-nav .nav-drop-menu li a:hover { color: var(--color-accent); background: var(--color-surface-2); }
.log-search {
    display: flex; align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}
.log-search input {
    background: transparent;
    border: 0; outline: 0;
    color: var(--color-text);
    padding: 8px 12px;
    font-family: var(--mono);
    font-size: 12px;
    width: 160px;
}
.log-search input::placeholder { color: var(--color-text-muted); }
.log-search button {
    background: var(--color-accent);
    color: var(--color-bg);
    border: 0; padding: 8px 14px;
    cursor: pointer; font-size: 13px;
}
.menu-trigger {
    display: none;
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 8px 12px;
    cursor: pointer;
}

/* ===== Hero ===== */
.log-hero {
    background:
        linear-gradient(135deg, rgba(15, 20, 16, 0.92), rgba(15, 20, 16, 0.7)),
        repeating-linear-gradient(45deg, var(--color-surface) 0 2px, transparent 2px 12px);
    border-bottom: 1px solid var(--color-border);
    padding: 56px 0 64px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}
.hero-tag {
    display: inline-block;
    color: var(--color-accent);
    background: rgba(217, 164, 65, 0.08);
    border: 1px solid var(--color-accent-dim);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 18px;
}
.hero-copy h1 {
    font-size: 38px;
    line-height: 1.2;
    margin: 0 0 16px;
    color: var(--color-text);
    font-weight: 700;
}
.hero-copy p {
    color: var(--color-text-dim);
    font-size: 16px;
    margin: 0 0 24px;
    max-width: 520px;
}
.hero-actions {
    display: flex; gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.btn-primary, .btn-ghost {
    padding: 11px 22px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid;
    transition: all .18s;
}
.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}
.btn-primary:hover { background: transparent; color: var(--color-accent); }
.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-soft);
}
.btn-ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 0; padding: 16px 0 0;
    border-top: 1px dashed var(--color-border-soft);
}
.hero-meta div { min-width: 0; }
.hero-meta dt {
    color: var(--color-text-muted);
    font-size: 10px;
    margin-bottom: 4px;
}
.hero-meta dd {
    margin: 0;
    color: var(--color-text);
    font-size: 13px;
    font-weight: 500;
}

/* Hero Stack (装备层叠) */
.hero-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    position: relative;
}
.stack-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
    min-width: 0;
}
.stack-card i {
    color: var(--color-accent);
    font-size: 22px;
    margin-bottom: 4px;
}
.stack-card span {
    color: var(--color-text);
    font-weight: 700;
    font-size: 15px;
}
.stack-card small {
    color: var(--color-text-muted);
    font-size: 9px;
    text-transform: uppercase;
}
.stack-card.stack-shell {
    grid-column: span 2;
    background: var(--color-primary);
    border-color: var(--color-primary-bright);
}
.stack-card.stack-shell i { color: var(--color-accent); font-size: 28px; }
.stack-card.stack-shell span { color: var(--color-text); }

/* ===== Ticker ===== */
.log-ticker {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}
.log-ticker .log-shell {
    display: flex; gap: 32px;
    padding: 10px 24px;
    flex-wrap: wrap;
}
.log-ticker span {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.log-ticker span::before {
    content: '◆ ';
    color: var(--color-accent);
    margin-right: 4px;
}

/* ===== Home Sections ===== */
.home-grid {
    padding: 56px 24px;
    display: flex;
    flex-direction: column;
    gap: 72px;
}
.log-section { scroll-margin-top: 80px; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}
.section-head > div { min-width: 0; }
.section-head b {
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 700;
    margin-right: 10px;
}
.section-head span {
    color: var(--color-text-muted);
    font-size: 11px;
    text-transform: uppercase;
}
.section-head h2 {
    margin: 8px 0 0;
    color: var(--color-text);
    font-size: 26px;
    font-weight: 700;
}
.section-head p {
    margin: 8px 0 0;
    color: var(--color-text-dim);
    max-width: 540px;
}
.section-head > a {
    color: var(--color-accent);
    font-size: 12px;
    text-transform: uppercase;
    border: 1px solid var(--color-accent-dim);
    padding: 6px 12px;
}

/* Layer Grid */
.layer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}
.layer-grid article {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    padding: 20px;
    transition: border-color .2s, transform .2s;
    min-width: 0;
}
.layer-grid article:hover {
    border-left-color: var(--color-accent);
    transform: translateY(-2px);
}
.layer-grid article > span {
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 700;
}
.layer-grid article h3 {
    margin: 8px 0;
    color: var(--color-text);
    font-size: 18px;
}
.layer-grid article p {
    margin: 0 0 12px;
    color: var(--color-text-dim);
    font-size: 13px;
}
.layer-grid article a {
    color: var(--color-accent);
    font-size: 11px;
    text-transform: uppercase;
    border-bottom: 1px dashed var(--color-accent-dim);
    padding-bottom: 2px;
}

/* Sequence Table */
.seq-table { border: 1px solid var(--color-border); }
.seq-row {
    display: grid;
    grid-template-columns: 80px 1.2fr 1.4fr 1fr;
    gap: 16px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    align-items: center;
    min-width: 0;
}
.seq-row:last-child { border-bottom: 0; }
.seq-row.seq-head {
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 10px 18px;
}
.seq-row strong {
    color: var(--color-accent);
    font-size: 13px;
}
.seq-row span { color: var(--color-text); font-size: 14px; }
.seq-row em {
    color: var(--color-text-dim);
    font-style: normal;
    font-size: 12px;
}
.seq-row i {
    color: var(--color-warn);
    font-style: normal;
    font-size: 12px;
    font-family: var(--mono);
}

/* Atlas Grid */
.atlas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}
.atlas-grid article {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 22px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}
.atlas-grid article > span {
    color: var(--color-accent);
    font-size: 10px;
    font-weight: 700;
}
.atlas-grid article i {
    color: var(--color-primary-bright);
    font-size: 28px;
    margin: 4px 0;
}
.atlas-grid article h3 {
    margin: 0;
    color: var(--color-text);
    font-size: 17px;
}
.atlas-grid article p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
}
.atlas-grid article em {
    color: var(--color-text-muted);
    font-style: normal;
    font-size: 11px;
    text-transform: uppercase;
    border-top: 1px dashed var(--color-border);
    padding-top: 8px;
    margin-top: auto;
}

/* Survival Band */
.survival-band {
    background:
        linear-gradient(135deg, rgba(61, 90, 61, 0.18), rgba(15, 20, 16, 0.6)),
        var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 36px 32px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: center;
}
.survival-copy span {
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.survival-copy h2 {
    margin: 10px 0 8px;
    color: var(--color-text);
    font-size: 24px;
    line-height: 1.35;
}
.survival-copy p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 14px;
}
.survival-rules {
    list-style: none;
    padding: 0; margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.survival-rules li {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 10px 14px;
}
.survival-rules li b {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 12px;
}
.survival-rules li span {
    color: var(--color-text);
    font-size: 13px;
}

/* ===== Page Head (栏目页通用) ===== */
.log-page-head {
    background:
        linear-gradient(180deg, rgba(217, 164, 65, 0.04), transparent),
        var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 48px 0;
}
.log-page-head span {
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.log-page-head h1 {
    margin: 10px 0 8px;
    color: var(--color-text);
    font-size: 32px;
    font-weight: 700;
}
.log-page-head p {
    margin: 0;
    color: var(--color-text-dim);
    max-width: 720px;
}

/* ===== Page Columns ===== */
.page-columns {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    padding: 40px 24px 60px;
}
.page-primary { min-width: 0; }

/* Chapter Grid (default_index) */
.chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}
.chapter-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 22px 18px;
    position: relative;
    transition: border-color .2s;
    min-width: 0;
}
.chapter-card:hover { border-color: var(--color-accent-dim); }
.chapter-card span {
    color: var(--color-accent);
    font-size: 10px;
    font-weight: 700;
}
.chapter-card h2 {
    margin: 8px 0;
    font-size: 18px;
}
.chapter-card h2 a { color: var(--color-text); }
.chapter-card h2 a:hover { color: var(--color-accent); }
.chapter-card p {
    margin: 0 0 12px;
    color: var(--color-text-dim);
    font-size: 13px;
}
.chapter-card i {
    position: absolute;
    top: 18px; right: 18px;
    color: var(--color-primary-bright);
    font-size: 22px;
    opacity: 0.7;
}

/* Articles list (default_list) */
.log-articles {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.log-articles article {
    display: flex;
    gap: 18px;
    padding: 22px 0;
    border-bottom: 1px solid var(--color-border);
    align-items: flex-start;
    min-width: 0;
}
.log-articles article b {
    color: var(--color-accent);
    background: rgba(217, 164, 65, 0.08);
    border: 1px solid var(--color-accent-dim);
    padding: 6px 10px;
    font-size: 11px;
    flex-shrink: 0;
}
.log-articles article > div { min-width: 0; flex: 1; }
.log-articles article span {
    color: var(--color-text-muted);
    font-size: 11px;
    text-transform: uppercase;
}
.log-articles article h2 {
    margin: 4px 0;
    font-size: 18px;
}
.log-articles article h2 a { color: var(--color-text); }
.log-articles article h2 a:hover { color: var(--color-accent); }
.log-articles article p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
}

/* Atlas Gallery (default_list_images) */
.atlas-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.atlas-cell {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}
.atlas-thumb {
    aspect-ratio: 4 / 3;
    background:
        repeating-linear-gradient(45deg, var(--color-bg) 0 6px, var(--color-surface-2) 6px 12px);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    color: var(--color-accent);
    font-size: 32px;
}
.atlas-thumb span {
    color: var(--color-text-muted);
    font-size: 10px;
    font-family: var(--mono);
}
.atlas-cell h3 {
    margin: 0;
    color: var(--color-text);
    font-size: 16px;
}
.atlas-cell p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
}
.atlas-cell a {
    color: var(--color-accent);
    font-size: 11px;
    text-transform: uppercase;
    margin-top: auto;
}

/* ===== Article Show ===== */
.article-head {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 40px 0;
}
.article-head span {
    color: var(--color-accent);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}
.article-head h1 {
    margin: 10px 0 8px;
    color: var(--color-text);
    font-size: 30px;
    line-height: 1.3;
    font-weight: 700;
}
.article-head p {
    color: var(--color-text-dim);
    margin: 0 0 14px;
}
.article-meta {
    display: flex; gap: 16px;
    flex-wrap: wrap;
}
.article-meta b {
    color: var(--color-text-dim);
    font-size: 11px;
    font-weight: 400;
    text-transform: uppercase;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 4px 10px;
}
.article-meta b i { color: var(--color-accent); margin-right: 4px; }

.article-columns {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    padding: 36px 24px 60px;
}
.procedure-article { min-width: 0; }
.article-lead {
    color: var(--color-accent);
    font-size: 17px;
    font-weight: 500;
    border-left: 3px solid var(--color-accent);
    padding: 4px 0 4px 16px;
    margin: 0 0 24px;
}
.article-body h2 {
    color: var(--color-text);
    font-size: 19px;
    margin: 28px 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--color-border);
}
.article-body p {
    color: var(--color-text-dim);
    margin: 0 0 14px;
}
.article-body ol {
    color: var(--color-text-dim);
    padding-left: 22px;
}
.article-body ol li { margin-bottom: 8px; }

.procedure-box {
    background: rgba(194, 84, 80, 0.08);
    border: 1px solid var(--color-warn);
    padding: 14px 18px;
    margin: 18px 0;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.procedure-box b {
    color: var(--color-warn);
    font-family: var(--mono);
    font-size: 13px;
    background: var(--color-bg);
    border: 1px solid var(--color-warn);
    padding: 2px 8px;
    flex-shrink: 0;
}
.procedure-box p {
    margin: 0;
    color: var(--color-text);
    font-size: 13px;
}

/* Article Summary (摘要模块) */
.article-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    padding: 22px;
    margin: 32px 0;
}
.article-summary-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.summary-deco {
    background: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
}
.article-summary-title {
    margin: 0;
    color: var(--color-text);
    font-size: 16px;
}
.article-summary-text {
    color: var(--color-text);
    margin: 0 0 14px;
    font-size: 14px;
}
.article-summary-cite {
    border-top: 1px dashed var(--color-border);
    padding-top: 12px;
    font-size: 12px;
}
.cite-label { color: var(--color-text-muted); }
.cite-text {
    color: var(--color-accent);
    font-family: var(--mono);
    word-break: break-all;
}

/* Article nav */
.article-switch {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}
.article-switch a {
    flex: 1; min-width: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 12px 16px;
    color: var(--color-text);
    transition: border-color .2s;
}
.article-switch a:hover { border-color: var(--color-accent); }
.article-switch a span {
    display: block;
    color: var(--color-text-muted);
    font-size: 11px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

/* ===== Product List (layer cards) ===== */
.layer-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.layer-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}
.layer-card header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--color-border);
}
.layer-card header span {
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 700;
}
.layer-card header i {
    color: var(--color-primary-bright);
    font-size: 22px;
}
.layer-card h2 {
    margin: 4px 0;
    font-size: 18px;
    color: var(--color-text);
}
.layer-card p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
}
.layer-card ul {
    list-style: none;
    padding: 0; margin: 8px 0 0;
    color: var(--color-text-dim);
    font-size: 12px;
}
.layer-card ul li::before {
    content: '▸ ';
    color: var(--color-accent);
}
.layer-card > a {
    margin-top: 12px;
    color: var(--color-accent);
    font-size: 11px;
    text-transform: uppercase;
    text-align: center;
    border: 1px solid var(--color-accent-dim);
    padding: 8px 0;
}

/* ===== Product Show ===== */
.log-product-head {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 40px 0;
}
.log-product-head .log-shell {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: center;
}
.log-product-head span {
    color: var(--color-accent);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}
.log-product-head h1 {
    margin: 10px 0 8px;
    color: var(--color-text);
    font-size: 26px;
    font-weight: 700;
}
.log-product-head p {
    margin: 0;
    color: var(--color-text-muted);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.06em;
}
.stove-diagram {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 24px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 14px;
    align-items: center;
}
.stove-diagram > i {
    grid-row: span 4;
    font-size: 56px;
    color: var(--color-accent);
    margin-right: 8px;
}
.stove-diagram b {
    color: var(--color-accent);
    font-size: 12px;
}
.stove-diagram span {
    color: var(--color-text-dim);
    font-size: 13px;
}

.product-columns {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    padding: 36px 24px 60px;
}
.product-columns main { min-width: 0; }
.product-columns section {
    margin-bottom: 32px;
}
.section-label {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 6px;
}
.product-columns section h2 {
    margin: 0 0 12px;
    color: var(--color-text);
    font-size: 20px;
}
.product-columns section p {
    color: var(--color-text-dim);
    margin: 0;
}

.spec-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}
.spec-list > div {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 14px 16px;
    min-width: 0;
}
.spec-list b {
    display: block;
    color: var(--color-accent);
    font-size: 12px;
    margin-bottom: 4px;
}
.spec-list span {
    color: var(--color-text-dim);
    font-size: 13px;
}

.pack-parts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}
.pack-parts article {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    padding: 14px 16px;
    min-width: 0;
}
.pack-parts b {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 12px;
}
.pack-parts h3 {
    margin: 6px 0;
    color: var(--color-text);
    font-size: 15px;
}
.pack-parts p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 12px;
}

.gear-notice {
    background: rgba(217, 164, 65, 0.06);
    border: 1px solid var(--color-accent-dim);
    padding: 14px 18px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.gear-notice b {
    color: var(--color-accent);
    background: var(--color-bg);
    border: 1px solid var(--color-accent-dim);
    padding: 2px 8px;
    font-size: 12px;
    flex-shrink: 0;
}
.gear-notice p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
}

/* ===== Page (单页) ===== */
.page-static { max-width: 820px; }
.protocol-block {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    padding: 22px 24px;
    margin-bottom: 18px;
    position: relative;
    min-width: 0;
}
.protocol-block::before {
    content: attr(data-num);
    position: absolute;
    top: 14px; right: 18px;
    color: var(--color-accent);
    font-size: 11px;
    opacity: 0.6;
}
.protocol-block h2 {
    margin: 0 0 10px;
    color: var(--color-text);
    font-size: 19px;
}
.protocol-block p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 14px;
}

/* ===== Contact ===== */
.contact-columns {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 36px;
    padding: 40px 24px 60px;
}
.contact-columns section span {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}
.contact-columns section h2 {
    margin: 8px 0 12px;
    color: var(--color-text);
    font-size: 20px;
}
.contact-columns section p {
    color: var(--color-text-dim);
    margin: 0 0 14px;
}
.contact-columns section ul {
    color: var(--color-text-dim);
    padding-left: 20px;
}
.contact-columns section ul li { margin-bottom: 6px; }

.form-message {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 24px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
}
.form-message label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 0;
}
.form-message label > span {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--color-text-muted);
}
.form-message input,
.form-message textarea {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 10px 12px;
    font-family: var(--sans);
    font-size: 14px;
    outline: 0;
    transition: border-color .2s;
}
.form-message input:focus,
.form-message textarea:focus { border-color: var(--color-accent); }
.form-message textarea { resize: vertical; min-height: 130px; }
.form-message label:last-of-type { display: flex; }
.form-actions {
    display: flex; gap: 10px;
    margin-top: 8px;
}
.form-actions button {
    flex: 1;
    padding: 11px 18px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid;
    cursor: pointer;
    transition: all .18s;
}
.form-actions button[type="button"] {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}
.form-actions button[type="button"]:hover {
    background: transparent;
    color: var(--color-accent);
}
.form-actions button[type="reset"] {
    background: transparent;
    color: var(--color-text-dim);
    border-color: var(--color-border-soft);
}

/* ===== Search ===== */
.search-columns {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    padding: 40px 24px 60px;
}
.search-box {
    display: flex;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    margin-bottom: 24px;
}
.search-box input {
    flex: 1; min-width: 0;
    background: transparent;
    border: 0; outline: 0;
    color: var(--color-text);
    padding: 12px 16px;
    font-family: var(--mono);
    font-size: 13px;
}
.search-box input::placeholder { color: var(--color-text-muted); }
.search-box button {
    background: var(--color-accent);
    color: var(--color-bg);
    border: 0;
    padding: 0 22px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
}
.search-tips h2,
.search-results-static h2 {
    color: var(--color-text);
    font-size: 16px;
    margin: 0 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--color-border);
}
.tip-tags {
    list-style: none;
    padding: 0; margin: 0 0 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tip-tags li a {
    display: inline-block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-dim);
    padding: 6px 12px;
    font-family: var(--mono);
    font-size: 12px;
}
.tip-tags li a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.search-results-static article {
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    min-width: 0;
}
.search-results-static article span {
    color: var(--color-text-muted);
    font-size: 11px;
    text-transform: uppercase;
}
.search-results-static article h3 {
    margin: 6px 0;
    font-size: 16px;
}
.search-results-static article h3 a { color: var(--color-text); }
.search-results-static article h3 a:hover { color: var(--color-accent); }
.search-results-static article p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
}

/* ===== Aside (侧边栏通用) ===== */
.page-aside {
    display: flex;
    flex-direction: column;
    gap: 22px;
    min-width: 0;
}
.log-aside {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 20px;
}
.aside-head {
    border-bottom: 1px dashed var(--color-border);
    padding-bottom: 10px;
    margin-bottom: 12px;
}
.aside-head span {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.aside-head h3 {
    margin: 6px 0 0;
    color: var(--color-text);
    font-size: 15px;
}

/* Aside: Layers */
.layer-stack {
    list-style: none;
    padding: 0; margin: 0;
}
.layer-stack li {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--color-border);
    align-items: center;
    min-width: 0;
}
.layer-stack li:last-child { border-bottom: 0; }
.layer-stack li b {
    background: var(--color-primary);
    color: var(--color-accent);
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 11px;
    flex-shrink: 0;
}
.layer-stack li div { min-width: 0; }
.layer-stack li strong {
    display: block;
    color: var(--color-text);
    font-size: 13px;
}
.layer-stack li em {
    font-style: normal;
    color: var(--color-text-muted);
    font-size: 11px;
}

/* Aside: Trail */
.trail-list {
    list-style: none;
    padding: 0; margin: 0;
}
.trail-list li {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    color: var(--color-text-dim);
    font-size: 13px;
    align-items: flex-start;
    border-bottom: 1px dashed var(--color-border);
}
.trail-list li:last-child { border-bottom: 0; }
.trail-list li i {
    color: var(--color-accent);
    margin-top: 3px;
    width: 16px;
    text-align: center;
}

/* Aside: Log */
.log-entries {
    list-style: none;
    padding: 0; margin: 0;
}
.log-entries li {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--color-border);
    align-items: center;
    min-width: 0;
}
.log-entries li:last-child { border-bottom: 0; }
.log-entries li b {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 11px;
    background: rgba(217, 164, 65, 0.08);
    padding: 4px 8px;
    flex-shrink: 0;
}
.log-entries li div { min-width: 0; }
.log-entries li strong {
    display: block;
    color: var(--color-text);
    font-size: 13px;
}
.log-entries li em {
    font-style: normal;
    color: var(--color-text-muted);
    font-size: 11px;
}

/* Aside: Signal */
.signal-grid {
    list-style: none;
    padding: 0; margin: 0;
}
.signal-grid li {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    color: var(--color-text-dim);
    font-size: 13px;
    border-bottom: 1px dashed var(--color-border);
    align-items: center;
}
.signal-grid li:last-child { border-bottom: 0; }
.signal-grid li i {
    color: var(--color-warn);
    width: 18px;
    text-align: center;
}

/* Aside: Pack */
.pack-check {
    list-style: none;
    padding: 0; margin: 0;
}
.pack-check li {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    color: var(--color-text);
    font-size: 13px;
    border-bottom: 1px dashed var(--color-border);
    align-items: center;
}
.pack-check li:last-child { border-bottom: 0; }
.pack-check li i { color: var(--color-accent); }

.aside-note {
    margin: 12px 0 0;
    padding: 10px 12px;
    background: rgba(217, 164, 65, 0.06);
    border: 1px dashed var(--color-accent-dim);
    color: var(--color-text-dim);
    font-size: 12px;
}

/* ===== Footer ===== */
.log-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 40px 0 0;
    margin-top: 40px;
}
.footer-board {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
}
.footer-brand { flex: 1.4 1 260px; min-width: 220px; }
.footer-col { flex: 1 1 160px; min-width: 140px; }
.footer-col h4 { margin: 0 0 12px; color: var(--color-text); font-size: 14px; font-weight: 700; }
.footer-board span {
    color: var(--color-accent);
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.footer-board h2 {
    margin: 8px 0;
    color: var(--color-text);
    font-size: 22px;
}
.footer-board p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 13px;
    max-width: 540px;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    align-content: flex-start;
}
.footer-links a {
    color: var(--color-text-dim);
    font-size: 13px;
    padding: 4px 0;
    border-bottom: 1px dashed transparent;
}
.footer-links a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent-dim);
}
.footer-meta {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    color: var(--color-text-muted);
    font-size: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-meta a { color: var(--color-text-muted); }
.footer-meta a:hover { color: var(--color-accent); }

/* ===== Back to top ===== */
#back-to-top {
    position: fixed;
    right: 24px; bottom: 24px;
    width: 42px; height: 42px;
    background: var(--color-accent);
    color: var(--color-bg);
    border: 0;
    border-radius: 50%;
    font-size: 20px;
    line-height: 1;
    padding: 0;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s, transform .25s;
    z-index: 90;
}
#back-to-top i {
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%; line-height: 1;
}
#back-to-top.is-visible { opacity: 1; visibility: visible; }
#back-to-top:hover { transform: translateY(-3px); }

/* ===== Pagination ===== */
.log-pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 36px;
}
.log-pagination a, .log-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-dim);
    font-size: 13px;
}
.log-pagination a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.log-pagination span.cur {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-bg);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; gap: 32px; }
    .page-columns, .article-columns, .product-columns,
    .search-columns, .contact-columns {
        grid-template-columns: 1fr;
    }
    .survival-band { grid-template-columns: 1fr; padding: 24px; }
    .log-product-head .log-shell { grid-template-columns: 1fr; }
    .footer-board { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .log-nav { display: flex; flex-wrap: wrap; }
    .log-search { width: 100%; }
    .log-search input { flex: 1; width: auto; }
    .head-grid { gap: 12px; }
    .hero-copy h1 { font-size: 28px; }
    .log-page-head h1 { font-size: 24px; }
    .article-head h1 { font-size: 22px; }
    .seq-row { grid-template-columns: 1fr; gap: 4px; padding: 12px; }
    .seq-row.seq-head { display: none; }
    .hero-meta { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .home-grid { padding: 36px 16px; gap: 48px; }
    .log-shell { padding: 0 16px; }
    .stack-card { padding: 14px 12px; }
    .footer-board { flex-direction: column; }
}
@media (max-width: 480px) {
    .hero-copy h1 { font-size: 24px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .btn-primary, .btn-ghost { text-align: center; }
}
.log-nav .nav-drop-menu { max-height: 320px; overflow-y: auto; }