*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --jade-deep: #2d5a27;
    --jade: #4a8c3f;
    --jade-light: #7ab86c;
    --jade-pale: #e8f5e0;
    --gold: #c9a96e;
    --gold-dark: #a07830;
    --gold-light: #f5eed8;
    --warm-bg: #faf8f5;
    --warm-white: #fffdf9;
    --text: #333;
    --text-light: #666;
    --text-muted: #999;
    --border: #e8e3db;
    --border-light: #f0ede6;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
    --shadow: 0 2px 12px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,.12);
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,sans-serif;
    color: var(--text);
    background: var(--warm-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.top-bar { background: var(--jade-deep); color: #fff; font-size: 13px; padding: 8px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.top-bar a { color: var(--gold-light); margin-left: 16px; white-space: nowrap; }
.top-bar a:hover { color: var(--gold); }
.header {
    background: var(--warm-white);
    border-bottom: 1px solid var(--border-light);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg,var(--jade-deep),var(--jade));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    font-weight: 700;
}
.logo-text h1 { font-size: 22px; color: var(--jade-deep); line-height: 1.2; }
.logo-text span { font-size: 12px; color: var(--text-muted); }
.nav { display: flex; gap: 26px; align-items: center; }
.nav a { font-size: 15px; color: var(--text); padding: 6px 0; position: relative; transition: var(--transition); white-space: nowrap; }
.nav a::after { content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gold); transition: var(--transition); }
.nav a:hover, .nav a.active { color: var(--jade-deep); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.hero {
    background: linear-gradient(150deg,#1a3a15 0%,#2d5a27 42%,#3d7040 100%);
    color: #fff;
    padding: 62px 0 82px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle,rgba(201,169,110,.16) 0%,transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle,rgba(255,255,255,.06) 0%,transparent 70%);
    border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 0;
    line-height: 1.25;
}
.hero p { font-size: 18px; opacity: .86; max-width: 720px; line-height: 1.8; }
.hero-stats { display: flex; gap: 48px; margin-top: 32px; flex-wrap: wrap; }
.hero-stat { text-align: center; min-width: 76px; }
.hero-stat strong { display: block; font-size: 32px; line-height: 1.1; color: var(--gold); }
.hero-stat span { font-size: 14px; opacity: .74; }
.home-main { padding-bottom: 30px; }
.breadcrumb { padding: 16px 0; font-size: 14px; color: var(--text-muted); display: flex; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--jade); }
.breadcrumb span:last-child { color: var(--text); }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 {
    font-size: 30px;
    color: var(--jade-deep);
    margin-bottom: 8px;
    display: inline-block;
    position: relative;
}
.section-title h2::before, .section-title h2::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--gold);
}
.section-title h2::before { left: -56px; }
.section-title h2::after { right: -56px; }
.section-title p { color: var(--text-light); font-size: 16px; }
.product-section { padding: 50px 0 30px; }
.product-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.product-card {
    background: var(--warm-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-img { position: relative; padding-top: 100%; background: #f5f2eb; overflow: hidden; }
.product-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--gold);
    color: #fff;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
    z-index: 2;
}
.product-source {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,.5);
    color: #fff;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    z-index: 2;
}
.product-info { padding: 16px; }
.product-info h3 {
    font-size: 15px;
    line-height: 1.5;
    min-height: 44px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-price { font-size: 20px; color: #d4443c; font-weight: 700; margin-top: 8px; }
.inline-link { color: var(--gold-dark); font-weight: 600; }
.inline-link:hover { text-decoration: underline; }
.product-meta { font-size: 13px; color: var(--text-muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-actions { display: flex; gap: 8px; margin-top: 10px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary { background: linear-gradient(135deg,var(--jade-deep),var(--jade)); color: #fff; flex: 1; }
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-light); min-width: 42px; padding: 8px 12px; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold-dark); }
.articles-section { padding: 30px 0 60px; }
.module-card {
    background: var(--warm-white);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.module-card:hover { box-shadow: var(--shadow); }
.module-header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 2px solid var(--border-light); }
.module-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 22px;
    font-weight: 700;
}
.module-icon.certificate { background: #e8f5e0; color: var(--jade-deep); }
.module-icon.size-scene { background: #e3f0fd; color: #2962aa; }
.module-icon.pitfalls-aftercare { background: #fff0e0; color: #e07020; }
.module-icon.budget { background: #f5eed8; color: var(--gold-dark); }
.module-icon.buying-skills { background: #fce4ec; color: #c04060; }
.module-header h3 { font-size: 22px; color: var(--jade-deep); }
.module-header p { font-size: 14px; color: var(--text-light); margin-top: 2px; }
.module-more { margin-left: auto; font-size: 14px; color: var(--gold-dark); white-space: nowrap; }
.module-more:hover { text-decoration: underline; }
.article-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.article-item { display: flex; gap: 14px; padding: 12px; border-radius: var(--radius-sm); transition: var(--transition); color: var(--text); min-width: 0; }
.article-item:hover { background: var(--warm-bg); }
.article-thumb {
    width: 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg,var(--jade-pale),var(--gold-light));
    flex-shrink: 0;
    overflow: hidden;
}
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-content { flex: 1; min-width: 0; }
.article-content h4 {
    font-size: 15px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}
.article-item:hover .article-content h4 { color: var(--jade-deep); }
.article-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 10px; flex-wrap: wrap; }
.detail {
    max-width: 1180px;
    margin: 30px auto 60px;
    padding: 0 20px;
}
.detail > .breadcrumb { padding-top: 0; }
.detail h1 {
    font-size: 28px;
    color: var(--jade-deep);
    margin-bottom: 18px;
    line-height: 1.4;
}
.detail > .meta {
    font-size: 14px;
    color: var(--text-muted);
    padding-bottom: 20px;
}
.detail > img[itemprop="image"] {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: var(--radius-lg);
    background: #f5f2eb;
    box-shadow: var(--shadow-sm);
}
.detail .content img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}
.related-products .product-grid {
    margin-top: 14px;
}
.article-product-grid .product-card {
    min-width: 0;
}
.detail-layout {
    display: grid;
    grid-template-columns: minmax(0,1fr) 320px;
    gap: 24px;
    align-items: start;
}
.detail-main,
.detail-sidebar { min-width: 0; }
.detail-sidebar {
    display: grid;
    gap: 16px;
    position: sticky;
    top: 108px;
}
.product-image-module {
    background: var(--warm-white);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-sm);
}
.product-image-module img {
    width: 100%;
    max-height: 560px;
    object-fit: contain;
    border-radius: var(--radius);
    background: #f4f1e9;
}
.product-image-fallback {
    width: 100%;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 36px;
    text-align: center;
    background:
        linear-gradient(135deg,rgba(45,90,39,.08),rgba(201,169,110,.16)),
        #f4f1e9;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
}
.product-image-fallback span {
    color: var(--gold-dark);
    font-size: 14px;
    letter-spacing: .08em;
}
.product-image-fallback strong {
    max-width: 320px;
    color: var(--jade-deep);
    font-size: 30px;
    line-height: 1.35;
    font-weight: 700;
}
.product-image-fallback em {
    color: var(--text-muted);
    font-size: 14px;
    font-style: normal;
}
.product-module-grid {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 12px;
    margin-top: 18px;
}
.product-info-module {
    min-height: 96px;
    padding: 15px 16px;
    border-radius: var(--radius-lg);
    background: var(--warm-white);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}
.product-info-module span {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.2;
}
.product-info-module strong {
    display: block;
    color: var(--jade-deep);
    font-size: 16px;
    line-height: 1.55;
    font-weight: 700;
    overflow-wrap: anywhere;
}
.price-module {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: 18px;
    align-items: center;
    border-color: #ead8ad;
    background: linear-gradient(180deg,#fffaf0 0%,#fffdf8 100%);
}
.price-module strong { color: #c83d35; font-size: 30px; line-height: 1.1; text-align: right; }
.price-module em {
    grid-column: 1 / -1;
    color: var(--text-muted);
    font-size: 13px;
    font-style: normal;
    margin-top: 6px;
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    margin: 16px 0 0;
    color: var(--text-muted);
    font-size: 13px;
}
.product-description { margin-top: 18px; }
.article-tip {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--jade-pale);
    color: var(--jade-deep);
    line-height: 1.8;
}
.product-action-row { margin-top: 18px; }
.detail-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.side-card {
    background: var(--warm-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    padding: 18px;
}
.side-card h2 {
    color: var(--jade-deep);
    font-size: 18px;
    line-height: 1.35;
    margin: 0 0 12px;
}
.lead-panel {
    border: 1px solid #dbe8d2;
    background: #f8fbf5;
}
.lead-copy { margin-bottom: 12px; }
.lead-copy h2 { font-size: 18px; color: var(--jade-deep); margin: 0 0 6px; line-height: 1.35; }
.lead-copy p { color: var(--text-light); font-size: 14px; line-height: 1.7; margin: 0; }
.lead-copy .wechat-id { margin-top: 6px; color: var(--jade-deep); font-weight: 700; }
.lead-capture-form { display: grid; gap: 10px; }
.lead-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.lead-fields input:first-child { grid-column: 1 / -1; }
.lead-capture-form input,
.lead-capture-form textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font: inherit;
    background: #fff;
}
.lead-capture-form textarea { min-height: 82px; resize: vertical; }
.lead-capture-form .btn { width: 100%; min-height: 44px; }
.qr-grid { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px solid #e6efdf; }
.qr-card {
    width: 96px;
    padding: 8px;
    border-radius: var(--radius-sm);
    background: #fff;
    border: 1px solid var(--border-light);
    text-align: center;
}
.qr-card img { width: 80px; height: 80px; object-fit: cover; border-radius: 4px; margin: 0 auto 6px; }
.qr-card span { display: block; color: var(--text-light); font-size: 12px; line-height: 1.2; }
.side-list { display: grid; gap: 9px; color: var(--text-light); font-size: 14px; line-height: 1.6; }
.side-list span::before { content: "✓"; color: var(--gold-dark); margin-right: 6px; font-weight: 700; }
.guide-links { display: grid; gap: 8px; }
.guide-links a { color: var(--text-light); font-size: 14px; line-height: 1.8; }
.guide-links a:hover { color: var(--jade-deep); }
.product-photo-gallery { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 14px; }
.product-photo-gallery img { width: 100%; border-radius: var(--radius-sm); background: #f5f2eb; }
.recommend-grid { grid-template-columns: repeat(4,1fr); }
.content {
    background: var(--warm-white);
    border-radius: var(--radius-lg);
    padding: 34px;
    box-shadow: var(--shadow-sm);
    margin-top: 24px;
    font-size: 16px;
    line-height: 2;
}
.content p { margin-bottom: 18px; }
.content h2, .content h3 { color: var(--jade-deep); margin: 28px 0 14px; }
.content ul, .content ol { padding-left: 22px; margin: 16px 0; }
.notice { background: var(--jade-pale); color: var(--jade-deep); border-radius: var(--radius-sm); padding: 10px 12px; margin: 10px 0 16px; }
.product-page-v2 {
    max-width: 1180px;
    margin: 26px auto 60px;
    padding: 0 20px;
}
.product-v2-layout {
    display: grid;
    grid-template-columns: minmax(0,1fr) 320px;
    gap: 24px;
    align-items: start;
}
.product-v2-main { display: grid; gap: 20px; min-width: 0; }
.product-v2-sidebar { display: grid; gap: 16px; position: sticky; top: 108px; }
.product-v2-cover,
.product-v2-info,
.product-v2-card,
.side-card {
    background: var(--warm-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.product-v2-cover { padding: 24px; }
.product-v2-cover img {
    width: 100%;
    max-height: 560px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: #f4f1e9;
}
.product-v2-cover-empty {
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding: 34px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg,rgba(45,90,39,.08),rgba(201,169,110,.16)),#f4f1e9;
}
.product-v2-cover-empty span { color: var(--gold-dark); font-size: 14px; letter-spacing: .08em; }
.product-v2-cover-empty strong { max-width: 420px; color: var(--jade-deep); font-size: 30px; line-height: 1.35; }
.product-v2-cover-empty em { color: var(--text-muted); font-size: 14px; font-style: normal; }
.product-v2-info { padding: 24px; }
.product-v2-info h1 {
    color: var(--jade-deep);
    font-size: 28px;
    line-height: 1.4;
    margin-bottom: 10px;
}
.product-v2-summary { color: var(--text-light); line-height: 1.85; margin-bottom: 18px; }
.product-v2-attrs {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 12px;
}
.attr-card {
    min-height: 94px;
    padding: 14px 15px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: #fff;
}
.attr-card span {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 13px;
}
.attr-card strong {
    display: block;
    color: var(--jade-deep);
    font-size: 16px;
    line-height: 1.55;
    overflow-wrap: anywhere;
}
.price-card {
    grid-column: span 2;
    background: linear-gradient(180deg,#fffaf0 0%,#fffdf8 100%);
    border-color: #ead8ad;
}
.price-card strong { color: #c83d35; font-size: 30px; line-height: 1.15; }
.price-card em { display: block; margin-top: 6px; color: var(--text-muted); font-size: 13px; font-style: normal; }
.product-v2-card { padding: 24px; }
.product-v2-card h2,
.side-card h2 {
    margin: 0 0 14px;
    color: var(--jade-deep);
    font-size: 20px;
    line-height: 1.35;
}
.product-v2-description { color: var(--text-light); line-height: 2; }
.product-v2-description h3 { color: var(--jade-deep); margin: 22px 0 10px; }
.product-v2-description ul { padding-left: 22px; }
.product-v2-recommend {
    display: grid;
    grid-template-columns: repeat(4,minmax(0,1fr));
    gap: 14px;
}
.side-recommend { grid-template-columns: 1fr; }
.side-recommend .mini-product-card { display: grid; grid-template-columns: 86px minmax(0,1fr); column-gap: 10px; align-items: center; }
.side-recommend .mini-product-img { aspect-ratio: 1; grid-row: span 2; }
.side-recommend .mini-product-card h3 { min-height: auto; margin: 0; }
.side-recommend .mini-product-card span { margin: 4px 0 0; }
.mini-product-card {
    display: block;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #fff;
}
.mini-product-img { aspect-ratio: 1; background: #f4f1e9; }
.mini-product-img img { width: 100%; height: 100%; object-fit: cover; }
.mini-product-card h3 {
    min-height: 44px;
    margin: 10px 10px 4px;
    color: var(--text);
    font-size: 14px;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.mini-product-card span { display: block; margin: 0 10px 12px; color: #c83d35; font-size: 14px; font-weight: 700; }
.guide-article-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.side-guide { grid-template-columns: 1fr; }
.guide-article-card {
    padding: 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: #fff;
}
.guide-article-card strong {
    display: block;
    color: var(--text);
    font-size: 15px;
    line-height: 1.55;
    margin-bottom: 8px;
}
.guide-article-card span { color: var(--text-muted); font-size: 12px; }
.merchant-card dl {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 8px 10px;
    color: var(--text-light);
    font-size: 14px;
}
.merchant-card dt { color: var(--text-muted); }
.merchant-card dd { margin: 0; color: var(--text); }
.merchant-card p { margin-top: 12px; color: var(--text-muted); font-size: 13px; }
.lead-panel p { color: var(--text-light); font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.lead-capture-form { display: grid; gap: 10px; }
.lead-capture-form input,
.lead-capture-form textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font: inherit;
    background: #fff;
}
.lead-capture-form textarea { min-height: 88px; resize: vertical; }
.lead-capture-form button { width: 100%; min-height: 44px; }
.source-link { width: 100%; min-height: 42px; margin-top: 10px; }
.wechat-id { margin-top: 10px; color: var(--jade-deep); font-weight: 700; }
.check-list { list-style: none; display: grid; gap: 9px; color: var(--text-light); font-size: 14px; }
.check-list li::before { content: "✓"; color: var(--gold-dark); margin-right: 6px; font-weight: 700; }
.article-list-page { align-items: stretch; }
.article-list-page .article-item { background: var(--warm-white); box-shadow: var(--shadow-sm); }
.article-content p { color: var(--text-light); font-size: 14px; margin: 4px 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pager { display: flex; justify-content: center; gap: 12px; margin-top: 28px; }
.site-footer { background: #1a1a1a; color: #999; padding: 50px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.site-footer p, .site-footer a { font-size: 14px; line-height: 2; }
.site-footer a:hover { color: var(--gold); }
.footer-bottom { max-width: 1280px; margin: 0 auto; padding: 24px 20px 0; border-top: 1px solid #333; text-align: center; font-size: 13px; }
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(3,1fr); }
    .recommend-grid { grid-template-columns: repeat(2,1fr); }
    .article-list { grid-template-columns: repeat(2,1fr); }
    .detail-layout { grid-template-columns: 1fr; }
    .detail-sidebar { position: static; }
    .product-module-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .product-image-fallback { min-height: 380px; }
    .hero h2 { font-size: 32px; }
    .product-v2-layout { grid-template-columns: 1fr; }
    .product-v2-sidebar { position: static; }
    .product-v2-recommend { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 768px) {
    .top-bar .container, .header .container { align-items: flex-start; flex-direction: column; gap: 10px; }
    .top-bar .container span:last-child { display: flex; gap: 14px; flex-wrap: wrap; }
    .top-bar a { margin-left: 0; }
    .nav { width: 100%; overflow-x: auto; gap: 18px; padding-bottom: 4px; }
    .product-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
    .article-list { grid-template-columns: 1fr; }
    .module-card, .content, .product-image-module { padding: 24px 18px; border-radius: var(--radius); }
    .module-header { align-items: flex-start; }
    .hero { padding: 42px 0 54px; }
    .hero h2 { font-size: 26px; }
    .hero p { font-size: 15px; }
    .hero-stats { gap: 18px; }
    .hero-stat strong { font-size: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .section-title h2 { font-size: 24px; }
    .section-title h2::before, .section-title h2::after { display: none; }
    .product-module-grid { grid-template-columns: 1fr; }
    .price-module { grid-column: span 1; grid-template-columns: 1fr; }
    .price-module strong { text-align: left; }
    .lead-fields { grid-template-columns: 1fr; }
    .product-photo-gallery { grid-template-columns: 1fr; }
    .product-page-v2 { padding: 0 14px; }
    .product-v2-cover,
    .product-v2-info,
    .product-v2-card,
    .side-card { padding: 18px; }
    .product-v2-attrs { grid-template-columns: 1fr; }
    .price-card { grid-column: span 1; }
    .guide-article-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .product-grid { grid-template-columns: repeat(2,1fr); gap: 8px; }
    .product-info { padding: 10px; }
    .product-actions { flex-direction: column; }
    .article-thumb { width: 86px; height: 66px; }
    .price { font-size: 26px; }
    .product-image-fallback { min-height: 280px; }
    .product-image-fallback strong { font-size: 22px; }
    .qr-card { width: calc(50% - 5px); }
    .qr-card img { width: 100%; height: auto; aspect-ratio: 1; }
    .recommend-grid { grid-template-columns: 1fr; }
    .product-v2-cover-empty { min-height: 280px; }
    .product-v2-cover-empty strong { font-size: 22px; }
    .product-v2-recommend { grid-template-columns: 1fr; }
}