/* ============================================================
 * 海飞丝官网 - 共享样式（美官网风格：大留白 · 深蓝主色 · 卡片轻阴影）
 * ============================================================ */

/* ── Design Tokens ── */
:root {
    --blue-deep: #00274D;
    --blue-primary: #005EB8;
    --blue-mid: #004B8F;
    --blue-bright: #2E7DD7;
    --blue-light: #6FA8DC;
    --cyan: #00A9E0;
    --cyan-soft: #E4F2FB;
    --cyan-pale: #F0F8FD;
    --white: #FFFFFF;
    --bg-light: #F4F8FC;
    --bg-gray: #EDF2F7;
    --bg-warm: #FAFBFD;
    --text-dark: #0B1F3A;
    --text-body: #3D4C63;
    --text-mute: #6E7E95;
    --text-faint: #9AA8BC;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 4px rgba(0,30,80,.05), 0 3px 12px rgba(0,30,80,.06);
    --shadow: 0 6px 24px rgba(0,30,80,.09);
    --shadow-lg: 0 14px 44px rgba(0,30,80,.14);
    --shadow-hover: 0 22px 56px rgba(0,30,80,.18);
    --t: .35s cubic-bezier(.4,0,.2,1);
    --font: 'Helvetica Neue','Arial','PingFang SC','Microsoft YaHei',sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--text-body);
    background: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ── Utility Bar ── */
.utility-bar {
    background: var(--blue-deep);
    color: var(--white);
    font-size: 12.5px;
    padding: 7px 0;
    letter-spacing: .3px;
}
.utility-bar .container { display: flex; justify-content: flex-end; gap: 28px; }
.utility-bar a { color: rgba(255,255,255,.75); transition: color var(--t); font-weight: 500; }
.utility-bar a:hover { color: var(--white); }

/* ── Header ── */
.header {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,30,80,.07), 0 4px 20px rgba(0,0,0,.04);
    position: sticky;
    top: 0;
    z-index: 200;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 24px; }
.header-logo img { height: 40px; width: auto; transition: opacity var(--t); }
.header-logo:hover img { opacity: .82; }

/* 美官网式导航：分组 + 下拉 */
.nav { display: flex; gap: 6px; align-items: center; }
.nav-item { position: relative; }
.nav-link {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-dark);
    padding: 9px 16px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all var(--t);
}
.nav-link:hover { color: var(--blue-primary); background: var(--cyan-pale); }
.nav-link .caret { width: 9px; height: 9px; border-right: 1.8px solid currentColor; border-bottom: 1.8px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform var(--t); }
.nav-item:hover .caret { transform: rotate(225deg) translateY(-1px); }
.nav-item.active > .nav-link { color: var(--blue-primary); background: var(--cyan-pale); }
.nav-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 200px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--t);
    border: 1px solid rgba(0,30,80,.06);
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-dropdown a {
    display: block;
    padding: 10px 14px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-body);
    border-radius: 8px;
    transition: all var(--t);
}
.nav-dropdown a:hover { background: var(--cyan-pale); color: var(--blue-primary); }
.nav-dropdown .dd-head { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint); padding: 6px 14px 2px; }
.btn-shop {
    background: var(--blue-primary);
    color: var(--white);
    border: none;
    padding: 10px 26px;
    border-radius: 30px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--t);
    box-shadow: 0 4px 14px rgba(0,94,184,.28);
    white-space: nowrap;
}
.btn-shop:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,94,184,.36); }

/* 汉堡菜单（移动端） */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: all var(--t); }

/* ── Hero Carousel ── */
.carousel { position: relative; width: 100%; overflow: hidden; background: var(--white); transition: height .4s ease; }
.carousel-track { display: flex; transition: transform .55s cubic-bezier(.4,0,.2,1); }
.carousel-slide { min-width: 100%; position: relative; }
.carousel-slide img { width: 100%; height: auto; display: block; }
.carousel-slide::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 30%;
    background: linear-gradient(to top, rgba(0,30,80,.12), transparent);
    pointer-events: none;
}
.carousel-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 50px; height: 50px; border-radius: 50%;
    background: rgba(255,255,255,.88); border: none;
    color: var(--blue-primary); font-size: 22px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--t); z-index: 10;
    box-shadow: 0 4px 16px rgba(0,0,0,.14);
    backdrop-filter: blur(4px);
}
.carousel-arrow:hover { background: var(--white); box-shadow: 0 6px 24px rgba(0,0,0,.2); transform: translateY(-50%) scale(1.08); }
.arrow-prev { left: 18px; }
.arrow-next { right: 18px; }
.carousel-dots { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 10; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.55); border: none; cursor: pointer; transition: all var(--t); }
.dot.active { background: var(--white); width: 30px; border-radius: 4px; box-shadow: 0 0 8px rgba(255,255,255,.6); }

/* ── Section Common ── */
.section { padding: 100px 0; position: relative; }
.section-alt { background: var(--bg-light); }
.section-alt-2 { background: linear-gradient(180deg, var(--bg-warm), var(--bg-light)); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 12px; font-weight: 700; letter-spacing: 3px;
    color: var(--blue-primary); text-transform: uppercase;
    margin-bottom: 16px;
}
.section-eyebrow::before, .section-eyebrow::after {
    content: ''; width: 28px; height: 1.5px;
    background: linear-gradient(90deg, transparent, var(--blue-light));
}
.section-eyebrow::after { background: linear-gradient(90deg, var(--blue-light), transparent); }
.section-title { font-size: 38px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; line-height: 1.25; letter-spacing: -1px; }
.section-desc { font-size: 15.5px; color: var(--text-mute); max-width: 660px; margin: 0 auto; line-height: 1.8; }

/* 美官网风格 Hero 主张区（页面顶部大标题） */
.hero-statement { text-align: center; padding: 84px 24px 70px; background: var(--white); }
.hero-statement h1 { font-size: 46px; font-weight: 800; color: var(--text-dark); letter-spacing: -1.5px; line-height: 1.2; margin-bottom: 20px; }
.hero-statement h1 .hl { color: var(--blue-primary); }
.hero-statement p { font-size: 17px; color: var(--text-mute); max-width: 640px; margin: 0 auto 34px; line-height: 1.8; }
.hero-statement .btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--blue-primary); color: var(--white);
    padding: 13px 34px; border-radius: 30px;
    font-size: 14.5px; font-weight: 600;
    transition: all var(--t); box-shadow: 0 4px 16px rgba(0,94,184,.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,94,184,.38); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--blue-primary);
    padding: 13px 34px; border-radius: 30px;
    font-size: 14.5px; font-weight: 600;
    border: 1.5px solid var(--blue-primary);
    transition: all var(--t);
}
.btn-secondary:hover { background: var(--cyan-pale); transform: translateY(-2px); }

/* ── Series Cards（首页 / 产品中心）── */
.series-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.series-card {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.05);
    transition: all var(--t); display: flex; flex-direction: column;
}
.series-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,30,80,.1); }
.series-card-img { background: var(--white); overflow: hidden; }
.series-card-img img { width: 100%; height: auto; display: block; transition: transform .5s; }
.series-card:hover .series-card-img img { transform: scale(1.04); }
.series-card-body { padding: 26px 28px 28px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.series-card-body h3 { font-size: 20px; font-weight: 800; color: var(--text-dark); margin: 0; line-height: 1.35; }
.series-subtitle { font-size: 13.5px; color: var(--blue-primary); font-weight: 600; margin: 0; }
.series-desc { font-size: 14px; color: var(--text-mute); line-height: 1.7; margin: 0; }
.series-btn {
    margin-top: auto; align-self: flex-start;
    background: transparent; border: 1.5px solid var(--blue-primary);
    color: var(--blue-primary); font-size: 13.5px; font-weight: 600;
    padding: 9px 20px; border-radius: 22px; cursor: pointer;
    transition: all var(--t); display: inline-flex; align-items: center; gap: 5px;
}
.series-btn:hover { background: var(--blue-primary); color: var(--white); transform: translateY(-1px); }
.series-tag {
    display: inline-block; background: var(--blue-primary); color: var(--white);
    font-size: 11.5px; font-weight: 700; padding: 4px 12px; border-radius: 12px;
    letter-spacing: .4px; align-self: flex-start;
}

/* ── 产品卡片（产品中心）── */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.05);
    transition: all var(--t); display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,30,80,.1); }
.product-card-top { padding: 24px 24px 10px; display: flex; align-items: center; gap: 10px; }
.product-card-top .series-tag { align-self: flex-start; }
.product-info { padding: 8px 24px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-info h3 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin: 0; line-height: 1.4; }
.product-info .p-crowd { font-size: 13px; color: var(--text-mute); line-height: 1.6; }
.product-info .p-link { margin-top: auto; font-size: 13.5px; font-weight: 600; color: var(--blue-primary); display: inline-flex; align-items: center; gap: 5px; align-self: flex-start; transition: gap var(--t); }
.product-card:hover .p-link { gap: 9px; }

/* 系列筛选 tab */
.filter-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.filter-tab {
    background: var(--white); border: 1.5px solid rgba(0,30,80,.1);
    color: var(--text-body); font-size: 14px; font-weight: 600;
    padding: 9px 26px; border-radius: 26px; cursor: pointer;
    transition: all var(--t);
}
.filter-tab:hover { border-color: var(--blue-primary); color: var(--blue-primary); }
.filter-tab.active { background: var(--blue-primary); border-color: var(--blue-primary); color: var(--white); box-shadow: 0 4px 14px rgba(0,94,184,.3); }

/* ── 科学背书（首页）── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat-card {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 38px 28px; text-align: center;
    box-shadow: var(--shadow-sm); border: 1px solid rgba(0,30,80,.05);
    transition: all var(--t);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.stat-card .stat-num { font-size: 44px; font-weight: 800; color: var(--blue-primary); letter-spacing: -1px; line-height: 1.1; margin-bottom: 8px; }
.stat-card h4 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.stat-card p { font-size: 13px; color: var(--text-mute); line-height: 1.6; }

/* ── 成分卡片（成分页）── */
.ingredient-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.ingredient-card {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 28px 22px; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.05);
    transition: all var(--t); position: relative; overflow: hidden;
    display: flex; flex-direction: column;
}
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ingredient-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--blue-primary), var(--cyan)); }
.ingredient-icon {
    width: 46px; height: 46px; border-radius: 12px;
    background: var(--cyan-soft); display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px; color: var(--blue-primary);
    font-size: 14px; font-weight: 800; letter-spacing: -.5px;
}
.ingredient-card h4 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin: 0 0 6px; line-height: 1.4; }
.ingredient-label { display: inline-block; font-size: 11.5px; font-weight: 600; color: var(--blue-primary); background: var(--cyan-pale); padding: 3px 10px; border-radius: 10px; margin-bottom: 10px; align-self: flex-start; }
.ingredient-card p { font-size: 13px; color: var(--text-body); line-height: 1.75; margin: 0; }

/* ── 文章卡片（知识中心 / 成分页）── */
.article-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.article-card {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 26px 24px 22px; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.05);
    cursor: pointer; transition: all var(--t);
    display: flex; flex-direction: column; gap: 10px;
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(0,30,80,.1); }
.article-card:focus-visible { outline: 2px solid var(--blue-primary); outline-offset: 2px; }
.faq-header:focus-visible { outline: 2px solid var(--blue-primary); outline-offset: 2px; }
.article-tag { display: inline-block; background: var(--blue-deep); color: var(--white); font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 10px; letter-spacing: .5px; align-self: flex-start; }
.article-card h4 { font-size: 16.5px; font-weight: 700; color: var(--text-dark); margin: 0; line-height: 1.5; }
.article-card p { font-size: 13px; color: var(--text-mute); line-height: 1.7; margin: 0; flex: 1; }
.article-link { font-size: 13.5px; font-weight: 600; color: var(--blue-primary); display: inline-flex; align-items: center; gap: 5px; align-self: flex-start; transition: gap var(--t); }
.article-card:hover .article-link { gap: 9px; }

/* 3 列文章网格（知识中心） */
.article-grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ── 产品详情页 ── */
.detail-wrap { max-width: 960px; margin: 0 auto; }
.detail-hero { background: linear-gradient(135deg, var(--cyan-pale), var(--bg-light)); border-radius: var(--radius-xl); padding: 48px 44px; margin-bottom: 48px; }
.detail-hero .series-tag { margin-bottom: 12px; }
.detail-hero h1 { font-size: 32px; font-weight: 800; color: var(--text-dark); letter-spacing: -.5px; margin-bottom: 12px; line-height: 1.3; }
.detail-hero .d-crowd { font-size: 15.5px; color: var(--text-body); line-height: 1.7; max-width: 640px; }
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 44px; }
.benefit-item {
    background: var(--white); border-radius: var(--radius);
    padding: 22px 24px; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.05);
    display: flex; gap: 14px; align-items: flex-start;
}
.benefit-item .benefit-icon { width: 38px; height: 38px; border-radius: 10px; background: var(--cyan-soft); display: flex; align-items: center; justify-content: center; color: var(--blue-primary); flex-shrink: 0; }
.benefit-item .benefit-icon svg { width: 20px; height: 20px; }
.benefit-item h4 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 5px; }
.benefit-item p { font-size: 13.5px; color: var(--text-body); line-height: 1.7; }
.detail-section { margin-bottom: 48px; }
.detail-section h2 { font-size: 22px; font-weight: 800; color: var(--text-dark); margin-bottom: 18px; position: relative; padding-left: 16px; }
.detail-section h2::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px; background: linear-gradient(180deg, var(--blue-primary), var(--cyan)); }
.detail-section p { font-size: 15px; color: var(--text-body); line-height: 1.85; margin-bottom: 14px; }
.detail-section ul { padding-left: 2px; }
.detail-section ul li { font-size: 14.5px; color: var(--text-body); line-height: 1.8; margin-bottom: 10px; padding-left: 24px; position: relative; }
.detail-section ul li::before { content: ''; position: absolute; left: 4px; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue-light); }
.evidence-card { background: linear-gradient(135deg, var(--cyan-pale), var(--cyan-soft)); border-radius: var(--radius-lg); padding: 26px 28px; border-left: 4px solid var(--blue-primary); }
.evidence-card ul { padding-left: 2px; }
.detail-disclaimer h2 { font-size: 16px; }
.disclaimer-list { padding-left: 0 !important; list-style: none; }
.disclaimer-list li { font-size: 12.5px !important; color: var(--text-mute) !important; line-height: 1.7 !important; padding-left: 0 !important; display: flex; gap: 6px; margin-bottom: 8px !important; }
.disclaimer-list li::before { display: none !important; }
.disclaimer-list li sup { flex: 0 0 auto; color: var(--blue-primary); font-weight: 700; }
.series-disclaimer { max-width: 1100px; margin: 30px auto 0; padding-top: 18px; border-top: 1px solid rgba(0,30,80,.08); }
.series-disclaimer h4 { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.geo-disclaimer { margin: 14px 0 4px; }
.geo-disc-title { font-size: 13px; font-weight: 700; color: var(--text-dark); margin: 0 0 6px; }
.related-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.related-card { background: var(--white); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,30,80,.05); transition: all var(--t); display: block; }
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.related-card h4 { font-size: 14.5px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.related-card p { font-size: 12.5px; color: var(--text-mute); line-height: 1.6; }

/* ── 文章详情页 ── */
.article-wrap { max-width: 780px; margin: 0 auto; }
.article-head { text-align: center; margin-bottom: 44px; }
.article-head .article-tag { margin-bottom: 14px; }
.article-head h1 { font-size: 34px; font-weight: 800; color: var(--text-dark); letter-spacing: -.5px; line-height: 1.3; margin-bottom: 14px; }
.article-head .article-meta { font-size: 13.5px; color: var(--text-mute); }
.article-body p { font-size: 16px; color: var(--text-body); line-height: 2; margin-bottom: 20px; }

/* ── FAQ ── */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-group { margin-bottom: 36px; }
.faq-group:last-child { margin-bottom: 0; }
.faq-group-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin: 0 0 16px; padding-left: 4px; display: flex; align-items: center; gap: 10px; }
.faq-group-title::before { content: ''; width: 4px; height: 18px; background: linear-gradient(180deg, var(--blue-primary), var(--cyan)); border-radius: 2px; }
.faq-item { background: var(--white); border-radius: var(--radius-lg); margin-bottom: 14px; overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,30,80,.05); transition: all var(--t); }
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item.open { box-shadow: var(--shadow); border-color: rgba(0,30,80,.1); }
.faq-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 26px; cursor: pointer; transition: background var(--t); }
.faq-header:hover { background: var(--cyan-pale); }
.faq-header-left { display: flex; align-items: center; gap: 14px; }
.faq-q-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--cyan-soft); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; color: var(--blue-primary); }
.faq-header h3 { font-size: 15.5px; font-weight: 700; color: var(--text-dark); }
.faq-toggle { width: 32px; height: 32px; border-radius: 8px; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; transition: all var(--t); flex-shrink: 0; }
.faq-toggle svg { width: 18px; height: 18px; color: var(--blue-primary); }
.faq-item.open .faq-toggle { background: var(--blue-primary); transform: rotate(45deg); }
.faq-item.open .faq-toggle svg { color: var(--white); }
.faq-body { max-height: 0; overflow: hidden; transition: max-height .45s ease; }
.faq-item.open .faq-body { max-height: 600px; }
.faq-body-inner { padding: 0 26px 24px 76px; }
.faq-body-inner p { font-size: 14.5px; color: var(--text-body); line-height: 1.85; }

/* ── Timeline（about 页）── */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding: 0; }
.timeline::before {
    content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
    width: 2px; transform: translateX(-50%);
    background: linear-gradient(to bottom, transparent 0%, var(--blue-light) 5%, var(--blue-primary) 50%, var(--blue-deep) 95%, transparent 100%);
}
.tl-item { position: relative; display: flex; align-items: center; margin-bottom: 18px; min-height: 60px; }
.tl-left { justify-content: flex-start; }
.tl-right { justify-content: flex-end; }
.tl-card {
    width: 44%; background: var(--white); border-radius: var(--radius);
    padding: 18px 24px; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.06); transition: all var(--t); position: relative;
}
.tl-card:hover { box-shadow: var(--shadow); border-color: rgba(0,30,80,.12); transform: translateY(-2px); }
.tl-left .tl-card { margin-right: auto; text-align: right; }
.tl-right .tl-card { margin-left: auto; text-align: left; }
.tl-year { font-size: 26px; font-weight: 800; background: linear-gradient(135deg, var(--blue-primary), var(--cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 4px; letter-spacing: -.5px; }
.tl-text { font-size: 14px; color: var(--text-body); line-height: 1.55; }
.tl-node { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 14px; height: 14px; border-radius: 50%; background: var(--white); border: 3px solid var(--blue-primary); box-shadow: 0 0 0 4px rgba(0,30,80,.08); z-index: 2; transition: all var(--t); }
.tl-item:hover .tl-node { border-color: var(--cyan); box-shadow: 0 0 0 6px rgba(0,193,255,.15); transform: translate(-50%,-50%) scale(1.15); }
.brand-divider { width: 100%; max-width: 200px; height: 1px; background: linear-gradient(90deg, transparent, var(--blue-light), transparent); margin: 72px auto; }

/* ── Social Responsibility（about 页）── */
.social-grid { display: grid; grid-template-columns: 1fr; max-width: 880px; margin: 0 auto; gap: 16px; }
.social-card-wrap { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.social-card-wrap.visible { opacity: 1; transform: translateY(0); }
.social-card { display: flex; align-items: stretch; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,30,80,.05); transition: all var(--t); }
.social-card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.social-year-badge { flex-shrink: 0; width: 100px; background: linear-gradient(135deg, var(--blue-deep), var(--blue-primary)); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800; letter-spacing: -.5px; position: relative; }
.social-year-badge::after { content: ''; position: absolute; right: -1px; top: 50%; transform: translateY(-50%); width: 0; height: 0; border-style: solid; border-width: 8px 0 8px 8px; border-color: transparent transparent transparent var(--blue-primary); }
.social-body { padding: 24px 28px; flex: 1; }
.social-body h4 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.social-body p { font-size: 14px; color: var(--text-mute); line-height: 1.7; }

/* ── 开放科学（about 页）── */
.open-science-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 1080px; margin: 0 auto; }
.os-card { background: var(--white); border-radius: var(--radius-lg); padding: 32px 28px; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,30,80,.05); text-align: center; transition: all var(--t); }
.os-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.os-icon { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 16px; background: var(--cyan-soft); display: flex; align-items: center; justify-content: center; color: var(--blue-primary); }
.os-icon svg { width: 28px; height: 28px; }
.os-card h4 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.os-card p { font-size: 13.5px; color: var(--text-mute); line-height: 1.75; }

/* ── Member CTA ── */
.member-cta {
    background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-primary) 55%, var(--blue-mid) 100%);
    border-radius: var(--radius-xl); padding: 72px 40px;
    text-align: center; color: var(--white);
    position: relative; overflow: hidden;
}
.member-cta::before { content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(0,169,224,.18), transparent 70%); pointer-events: none; }
.member-cta::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(111,168,220,.14), transparent 70%); pointer-events: none; }
.member-cta h3 { font-size: 32px; font-weight: 800; margin-bottom: 14px; position: relative; z-index: 1; letter-spacing: -.5px; }
.member-cta p { font-size: 16px; opacity: .85; margin-bottom: 32px; position: relative; z-index: 1; }
.member-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--white); color: var(--blue-primary);
    padding: 15px 44px; border-radius: 30px;
    font-size: 15px; font-weight: 700;
    transition: all var(--t); position: relative; z-index: 1;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
}
.member-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.26); }

/* ── 功效声明注释（首页轮播 claim 的免责说明图）── */
.claim-note { text-align: center; padding: 28px 24px 8px; }
.claim-note img { display: inline-block; width: min(1080px, 100%); height: auto; border-radius: 14px; box-shadow: 0 8px 30px rgba(0, 30, 80, .08); }
.claim-note-title { max-width: 1080px; margin: 0 auto 4px; text-align: left; font-size: 15px; font-weight: 800; color: var(--text-dark); }
.claim-note-intro { max-width: 1080px; margin: 0 auto 12px; text-align: left; font-size: 12.5px; color: var(--text-mute); }
.claim-note .disclaimer-list { max-width: 1080px; margin: 0 auto; text-align: left; }
.claim-group { max-width: 1080px; margin: 0 auto 14px; text-align: left; }
.claim-group-title { font-size: 13px; font-weight: 700; color: var(--blue-primary); margin: 0 0 6px; }

/* ── Footer ── */
.footer { background: linear-gradient(180deg, var(--blue-deep), #00081A); color: var(--white); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand img { height: 34px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 13.5px; opacity: .6; line-height: 1.75; margin-top: 16px; max-width: 320px; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 16px; letter-spacing: .3px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 13.5px; opacity: .55; transition: opacity var(--t); }
.footer-col a:hover { opacity: 1; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    padding-top: 24px;
    color: rgba(255,255,255,.58);
    font-size: 12px;
    line-height: 1.8;
    text-align: center;
}
.footer-bottom > .footer {
    background: transparent;
    color: inherit;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 14px;
}
.footer-bottom > .footer a {
    color: rgba(255,255,255,.68);
    transition: color var(--t);
}
.footer-bottom > .footer a:hover,
.footer-bottom > .footer a:focus-visible {
    color: var(--white);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.footer-legal-links {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0 8px;
}
.footer-separator { color: rgba(255,255,255,.24); }
.footer-bottom .brand_link,
.footer-bottom .public-security-record {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.footer-bottom > .footer img {
    display: inline-block;
    flex: 0 0 auto;
    max-width: none;
}

/* ── Scroll Reveal ── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Breadcrumb ── */
.breadcrumb { padding: 22px 0 0; font-size: 13px; color: var(--text-mute); }
.breadcrumb a { color: var(--blue-primary); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; color: var(--text-faint); }

/* ── 404 / 兜底提示 ── */
.not-found { text-align: center; padding: 120px 24px; }
.not-found h1 { font-size: 36px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.not-found p { color: var(--text-mute); margin-bottom: 28px; }

/* ── Responsive ── */
@media (max-width: 1080px) {
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .ingredient-grid { grid-template-columns: repeat(3, 1fr); }
    .article-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
    .series-grid { grid-template-columns: 1fr; max-width: 540px; margin: 0 auto; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .open-science-grid { grid-template-columns: 1fr; max-width: 480px; }
    .related-products { grid-template-columns: 1fr; }
    .nav { display: none; }
    .nav-toggle { display: flex; }
    .header.open .nav {
        display: flex; flex-direction: column;
        position: absolute; top: 100%; left: 0; right: 0;
        background: var(--white); padding: 16px 24px 24px;
        box-shadow: 0 12px 32px rgba(0,0,0,.1);
        align-items: stretch; gap: 2px;
    }
    .header.open .nav-item { width: 100%; }
    .nav-dropdown { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; padding: 4px 0 4px 16px; border: none; }
    .nav-item:hover .nav-dropdown { transform: none; }
}
@media (max-width: 768px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .section { padding: 64px 0; }
    .section-title { font-size: 28px; }
    .hero-statement h1 { font-size: 34px; }
    .timeline::before { left: 30px; }
    .tl-left, .tl-right { justify-content: flex-end; }
    .tl-left .tl-card, .tl-right .tl-card { width: 80%; margin-left: 56px; text-align: left; margin-right: 0; }
    .tl-node { left: 30px; }
    .social-card { flex-direction: column; }
    .social-year-badge { width: 100%; height: 60px; }
    .social-year-badge::after { display: none; }
    .member-cta { padding: 48px 24px; }
    .member-cta h3 { font-size: 24px; }
    .claim-note { padding: 52px 12px 0; }
    .detail-hero { padding: 34px 26px; }
    .benefits-grid { grid-template-columns: 1fr; }
    .detail-hero h1 { font-size: 26px; }
    .article-head h1 { font-size: 27px; }
    .faq-body-inner { padding-left: 26px; }
}
@media (max-width: 520px) {
    .products-grid { grid-template-columns: 1fr; }
    .ingredient-grid { grid-template-columns: 1fr; }
    .article-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { font-size: 11.5px; }
    .footer-bottom > .footer { gap: 10px; }
    .footer-legal-links { row-gap: 4px; }
    .container { padding: 0 18px; }
    .filter-tabs { gap: 8px; }
}

/* ── Scalp Care（原板块保留）── */
.brand-subtitle{
            text-align:center;font-size:22px;font-weight:700;
            color:var(--text-dark);margin-bottom:12px;
        }
        .brand-intro-text{
            text-align:center;color:var(--text-mute);
            max-width:680px;margin:0 auto 56px;font-size:15px;line-height:1.8;
        }

        /* Self-test 3-step flowchart */
        .selftest-wrap{
            max-width:960px;margin:0 auto 48px;
        }
        .selftest-steps{
            display:grid;grid-template-columns:repeat(3,1fr);
            gap:20px;margin-bottom:32px;
        }
        .selftest-step{
            background:var(--white);border-radius:var(--radius-lg);
            padding:32px 24px;box-shadow:var(--shadow);
            border:1px solid rgba(26,64,145,.05);
            position:relative;transition:all var(--t);
            text-align:center;
        }
        .selftest-step:hover{
            transform:translateY(-6px);box-shadow:var(--shadow-lg);
        }
        .selftest-step-num{
            position:absolute;top:-16px;left:50%;transform:translateX(-50%);
            width:36px;height:36px;border-radius:50%;
            background:linear-gradient(135deg,var(--blue-primary),var(--cyan));
            color:var(--white);font-size:15px;font-weight:800;
            display:flex;align-items:center;justify-content:center;
            box-shadow:0 4px 12px rgba(26,64,145,.3);
        }
        .selftest-step h4{
            font-size:17px;font-weight:700;color:var(--text-dark);
            margin:8px 0 16px;
        }
        .selftest-options{
            display:flex;flex-direction:column;gap:10px;
        }
        .selftest-option{
            background:var(--bg-light);border-radius:var(--radius);
            padding:12px 16px;font-size:13.5px;color:var(--text-body);
            font-weight:500;border:1px solid transparent;
            transition:all var(--t);text-align:left;
            display:flex;align-items:center;gap:8px;
        }
        .selftest-option:hover{
            background:var(--cyan-pale);border-color:var(--blue-light);
        }
        .selftest-option .opt-dot{
            width:8px;height:8px;border-radius:50%;
            background:var(--blue-light);flex-shrink:0;
        }
        .selftest-option.opt-warn .opt-dot{background:#F5A623}
        .selftest-option.opt-danger .opt-dot{background:#E8505B}

        /* Self-test result flow */
        .selftest-flow{
            background:linear-gradient(135deg,var(--cyan-pale),var(--bg-light));
            border-radius:var(--radius-lg);padding:28px 32px;
            text-align:center;
        }
        .selftest-flow-title{
            font-size:14px;font-weight:700;color:var(--blue-primary);
            margin-bottom:16px;letter-spacing:.5px;
        }
        .selftest-flow-path{
            display:flex;align-items:center;justify-content:center;
            flex-wrap:wrap;gap:8px;
        }
        .selftest-flow-node{
            background:var(--white);border-radius:10px;
            padding:8px 16px;font-size:13px;font-weight:600;
            color:var(--text-dark);box-shadow:var(--shadow-sm);
            border:1px solid rgba(26,64,145,.08);
        }
        .selftest-flow-arrow{
            color:var(--blue-light);font-size:18px;font-weight:700;
        }
        .selftest-flow-result{
            background:linear-gradient(135deg,var(--blue-primary),var(--blue-mid));
            color:var(--white);border-radius:10px;
            padding:8px 16px;font-size:13px;font-weight:700;
            box-shadow:0 4px 12px rgba(26,64,145,.25);
        }

.dimensions-intro{
            display:grid;grid-template-columns:repeat(3,1fr);
            gap:28px;margin-bottom:72px;
        }
        .dimension-card{
            background:var(--white);border-radius:var(--radius-lg);
            padding:40px 28px;box-shadow:var(--shadow);
            text-align:center;position:relative;overflow:hidden;
            border:1px solid rgba(26,64,145,.05);
            transition:all var(--t);
        }
        .dimension-card:hover{
            transform:translateY(-6px);
            box-shadow:var(--shadow-lg);
        }
        .dimension-card::before{
            content:'';position:absolute;top:0;left:0;right:0;height:4px;
            background:linear-gradient(90deg,var(--blue-primary),var(--cyan));
        }
        .dimension-card .dim-num{
            font-size:44px;font-weight:800;
            color:var(--cyan-soft);
            line-height:1;margin-bottom:16px;letter-spacing:-1px;
        }
        .dimension-card h3{
            font-size:19px;font-weight:700;color:var(--text-dark);
            margin-bottom:12px;
        }
        .dimension-card p{
            font-size:13.5px;color:var(--text-body);
            line-height:1.75;text-align:left;
        }

        .scalp-problems{max-width:920px;margin:0 auto}
        .scalp-problem{
            background:var(--white);border-radius:var(--radius-lg);
            margin-bottom:14px;overflow:hidden;
            box-shadow:var(--shadow-sm);
            border:1px solid rgba(26,64,145,.05);
            transition:all var(--t);
        }
        .scalp-problem:hover{box-shadow:var(--shadow)}
        .scalp-problem.open{
            box-shadow:var(--shadow-lg);
            border-color:rgba(26,64,145,.1);
        }
        .problem-header{
            display:flex;justify-content:space-between;align-items:center;
            padding:20px 28px;cursor:pointer;transition:background var(--t);
        }
        .problem-header:hover{background:var(--cyan-pale)}
        .problem-header:focus-visible{outline:2px solid var(--blue-primary);outline-offset:2px}
        .problem-header-left{display:flex;align-items:center;gap:14px}
        .problem-icon{
            width:42px;height:42px;border-radius:12px;
            background:var(--cyan-soft);
            display:flex;align-items:center;justify-content:center;
            flex-shrink:0;
        }
        .problem-icon svg{width:22px;height:22px;color:var(--blue-primary)}
        .problem-header h3{
            font-size:17px;font-weight:700;color:var(--text-dark);
        }
        .problem-toggle{
            width:32px;height:32px;border-radius:8px;
            background:var(--bg-gray);
            display:flex;align-items:center;justify-content:center;
            transition:all var(--t);flex-shrink:0;
        }
        .problem-toggle svg{width:18px;height:18px;color:var(--blue-primary)}
        .scalp-problem.open .problem-toggle{
            background:var(--blue-primary);transform:rotate(45deg);
        }
        .scalp-problem.open .problem-toggle svg{color:var(--white)}
        .problem-body{
            max-height:0;overflow:hidden;
            transition:max-height .45s ease;
        }
        .scalp-problem.open .problem-body{max-height:2000px}
        .problem-body-inner{padding:0 28px 28px}
        .problem-section{margin-bottom:22px}
        .problem-section:last-child{margin-bottom:0}
        .problem-label{
            font-size:12px;font-weight:700;letter-spacing:1.5px;
            text-transform:uppercase;color:var(--blue-primary);
            margin-bottom:8px;
        }
        .problem-section p{
            font-size:14px;color:var(--text-body);line-height:1.75;
        }
        .solution-text{font-weight:600;color:var(--text-dark);margin-bottom:12px}
        .tips-list{padding-left:20px;margin-top:8px}
        .tips-list li{
            font-size:13.5px;color:var(--text-body);
            line-height:1.85;margin-bottom:4px;
        }
        .problem-product{
            background:linear-gradient(135deg,var(--cyan-pale),var(--cyan-soft));
            border-radius:var(--radius);padding:20px 24px;
            border-left:3px solid var(--blue-primary);
        }
        .product-name{
            font-size:15px;font-weight:700;color:var(--text-dark);
            margin-bottom:6px;
        }
        .product-detail{
            font-size:13px;color:var(--text-body);line-height:1.7;
        }
        .product-detail-link{
            font-size:13.5px;font-weight:600;color:var(--blue-primary);
            display:inline-flex;align-items:center;gap:4px;text-decoration:none;
            transition:gap var(--t);
        }
        .product-detail-link:hover{gap:8px;}

/* ── GEO 静态详情区块（系列详情 / 文章全文）── */
.geo-details .brand-subtitle, .geo-articles .brand-subtitle { margin-bottom: 18px; }
.geo-series, .geo-article {
    background: var(--white); border-radius: var(--radius);
    margin-bottom: 12px; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,30,80,.06); overflow: hidden;
}
.geo-series summary, .geo-article summary {
    padding: 16px 22px; cursor: pointer; font-size: 15px;
    font-weight: 700; color: var(--text-dark);
    transition: background var(--t); list-style: none;
}
.geo-series summary::-webkit-details-marker, .geo-article summary::-webkit-details-marker { display: none; }
.geo-series summary::before, .geo-article summary::before {
    content: '+'; display: inline-block; margin-right: 10px;
    color: var(--blue-primary); font-weight: 800; transition: transform var(--t);
}
.geo-series[open] summary::before, .geo-article[open] summary::before { transform: rotate(45deg); }
.geo-series summary:hover, .geo-article summary:hover { background: var(--cyan-pale); }
.geo-series-body, .geo-article-body { padding: 4px 24px 22px; }
.geo-series-body h4 {
    font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
    color: var(--blue-primary); margin: 14px 0 6px;
}
.geo-series-body p, .geo-series-body li, .geo-article-body p {
    font-size: 14px; color: var(--text-body); line-height: 1.8; margin-bottom: 10px;
}
.geo-series-body ul { padding-left: 20px; }
.geo-prods { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.detail-prod {
    background: linear-gradient(135deg, var(--cyan-pale), var(--cyan-soft));
    border-radius: var(--radius); padding: 16px 18px; border-left: 3px solid var(--blue-primary);
}
.detail-prod strong { font-size: 14.5px; color: var(--text-dark); display: block; margin-bottom: 8px; }
.detail-prod p { font-size: 12.5px; margin-bottom: 4px; }
.geo-article-body p { margin-bottom: 14px; }

/* ── details/summary 无 JS 折叠：隐藏默认 marker 三角 ── */
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::marker { display: none; content: ''; }

/* ── 头皮问题手风琴（details 版）对齐修复 ── */
.scalp-problem summary.problem-header { display: flex; align-items: center; }
.scalp-problem summary .problem-header-left h3 { font-size: 16px; line-height: 1.5; }
.scalp-problem .problem-icon { width: 42px; height: 42px; flex-shrink: 0; }
.scalp-problem .problem-icon svg { width: 22px; height: 22px; display: block; }

/* ── 成分板块子区块（subsection）间距 ── */
.subsection { margin-bottom: 72px; }
.subsection:last-child { margin-bottom: 0; }
.subsection-title { font-size: 24px; font-weight: 800; color: var(--text-dark); margin: 0 0 6px; }
.subsection-desc { font-size: 14.5px; color: var(--text-mute); margin: 0 0 30px; }

/* ── 产品卡片图（products.html）── */
.product-card-img {
    background: var(--white); overflow: hidden;
    aspect-ratio: 1/1; position: relative;
}
.product-card-img img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: contain; object-position: center;
    transition: transform .5s;
}
.product-card:hover .product-card-img img { transform: scale(1.04); }

/* ── 产品详情页大图 ── */
.detail-hero-product { display: flex; align-items: center; gap: 44px; padding: 40px 44px; }
.detail-hero-img { flex-shrink: 0; width: 280px; }
.detail-hero-img img { width: 100%; height: auto; display: block; }
.detail-hero-text { flex: 1; }
.detail-hero-product .series-tag { margin-bottom: 12px; }

/* ── 同系列推荐产品图 ── */
.related-card { padding: 0; overflow: hidden; }
.related-card-img { background: var(--white); aspect-ratio: 1/1; position: relative; }
.related-card-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: center; }
.related-card h4, .related-card p { padding: 0 18px; }
.related-card h4 { padding-top: 14px; }
.related-card p { padding-bottom: 16px; }

/* ── 系列详情（GEO 首页）产品图 ── */
.geo-prods { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.geo-prod-card { display: flex; gap: 14px; align-items: flex-start;
    background: var(--white); border-radius: var(--radius);
    padding: 14px; border: 1px solid rgba(0,30,80,.06); }
.geo-prod-card img { width: 80px; height: 80px; object-fit: contain; background: var(--white); border-radius: 8px; flex-shrink: 0; }
.geo-prod-card h5 { font-size: 14px; color: var(--text-dark); margin: 0 0 6px; }
.geo-prod-card p { font-size: 12px; color: var(--text-body); line-height: 1.6; margin: 2px 0; }
.geo-prod-card .pp-label { display: block; font-size: 10.5px; font-weight: 700; color: var(--blue-primary); letter-spacing: 1px; text-transform: uppercase; margin-top: 6px; }

@media (max-width: 600px) {
    .detail-hero-product { flex-direction: column; padding: 28px 22px; gap: 22px; text-align: center; }
    .detail-hero-img { width: 200px; }
    .detail-hero-img img { margin: 0 auto; }
}

/* ── 成分组成概览（成分与安全板块顶部）── */
.ing-overview { max-width: 1100px; margin: 0 auto 60px; }
.ing-overview-head { text-align: center; margin-bottom: 32px; }
.ing-overview-head h3 { font-size: 26px; font-weight: 800; color: var(--text-dark); margin: 0 0 12px; letter-spacing: -0.5px; }
.ing-overview-head p { font-size: 15px; color: var(--text-mute); line-height: 1.8; margin: 0 auto; max-width: 720px; }
.ing-overview-head a { color: var(--blue-primary); text-decoration: underline; }
.ing-overview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ing-cat {
    background: var(--white); border-radius: var(--radius);
    border: 1px solid rgba(0,30,80,.08); overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.ing-cat-h {
    padding: 14px 18px; text-align: center;
    font-size: 14px; font-weight: 700; color: var(--white);
    background: linear-gradient(135deg, var(--blue-primary), var(--blue-mid));
    letter-spacing: 0.5px;
}
.ing-cat-h em { font-style: normal; font-size: 12px; opacity: 0.85; font-weight: 500; display: block; margin-top: 2px; }
.ing-cat-b { padding: 16px 18px; }
.ing-cat-b ul { list-style: none; padding: 0; margin: 0; }
.ing-cat-b li {
    font-size: 12.5px; color: var(--text-body); line-height: 1.7;
    padding: 6px 0; border-bottom: 1px dashed rgba(0,30,80,.06);
}
.ing-cat-b li:last-child { border-bottom: none; }
.ing-cat-b li strong { color: var(--text-dark); font-weight: 600; }

@media (max-width: 900px) {
    .ing-overview-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .ing-overview-grid { grid-template-columns: 1fr; }
}