/* ===== 产品详情页专属样式（pg- 前缀，避免与主站冲突） ===== */
body { padding-top: var(--header-h); }

.pg-hero {
    position: relative;
    background: linear-gradient(135deg, #0a1628 0%, #0b2a63 45%, #0066ff 100%);
    color: #fff;
    padding: 72px 0 0;
    overflow: hidden;
}
.pg-hero::after {
    content: '';
    position: absolute;
    right: -160px; top: -160px;
    width: 520px; height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6,182,212,.35) 0%, rgba(6,182,212,0) 70%);
}
.pg-hero-inner { position: relative; z-index: 2; }
.pg-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 2px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.28);
    border-radius: 999px;
    padding: 7px 18px;
    margin-bottom: 22px;
}
.pg-badge b { color: #22d3ee; font-weight: 700; }
.pg-hero h1 {
    font-size: clamp(28px, 4.6vw, 46px);
    font-weight: 900;
    letter-spacing: 1px;
    line-height: 1.25;
    margin-bottom: 18px;
}
.pg-hero h1 span {
    background: linear-gradient(90deg, #60a5fa, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.pg-hero-sub {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255,255,255,.86);
    max-width: 860px;
    margin-bottom: 12px;
}
.pg-hero-en {
    font-size: 12px;
    letter-spacing: 3px;
    color: rgba(255,255,255,.45);
    margin-bottom: 30px;
}
.pg-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; padding-bottom: 56px; }
.pg-hero-actions .btn-outline { border-color: rgba(255,255,255,.45); }

.pg-stats {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(255,255,255,.14);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    overflow: hidden;
}
.pg-stat {
    background: rgba(10,22,40,.55);
    backdrop-filter: blur(6px);
    padding: 24px 22px;
}
.pg-stat-num {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 900;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff, #7dd3fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.pg-stat-num small { font-size: 14px; font-weight: 500; margin-left: 2px; -webkit-text-fill-color: #7dd3fc; }
.pg-stat-label { font-size: 13px; color: rgba(255,255,255,.72); margin-top: 6px; }

/* ===== 锚点导航 ===== */
.pg-anchor {
    position: sticky;
    top: var(--header-h);
    z-index: 90;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-border);
}
.pg-anchor-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    max-width: none;
    padding: 12px 24px;
    scrollbar-width: none;
}
.pg-anchor a {
    flex-shrink: 0;
    font-size: 13.5px;
    color: var(--c-text-secondary);
    padding: 7px 15px;
    border-radius: 999px;
    transition: all var(--t-fast);
    white-space: nowrap;
}
.pg-anchor a:hover { background: var(--c-bg-alt); color: var(--c-primary); }

/* ===== 页头语言下拉菜单 ===== */
.lang-drop { position: relative; flex-shrink: 0; margin-left: 18px; }
.lang-drop-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    border: 1px solid var(--c-border);
    background: var(--c-bg);
    color: var(--c-text-secondary);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 500;
    padding: 7px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--t-fast);
}
.lang-drop-btn:hover { color: var(--c-primary); border-color: var(--c-primary); }
.lang-drop-btn svg { width: 16px; height: 16px; }
.lang-drop-btn .lang-caret { width: 13px; height: 13px; transition: transform var(--t-fast); }
.lang-drop.open .lang-caret { transform: rotate(180deg); }
.lang-drop.open .lang-drop-btn { color: var(--c-primary); border-color: var(--c-primary); }
.lang-drop-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 33, 66, .14);
    padding: 6px;
    margin: 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all var(--t-fast);
    z-index: 200;
}
.lang-drop.open .lang-drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-drop-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13.5px;
    color: var(--c-text);
    text-decoration: none;
    transition: background var(--t-fast);
}
.lang-drop-menu a:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.lang-drop-menu a.on { color: var(--c-primary); font-weight: 700; }
.lang-drop-menu a.on::after { content: "✓"; font-weight: 700; }

/* ===== 通用区块 ===== */
.pg-section { padding: 72px 0 8px; }
.pg-section.alt { background: var(--c-bg-alt); margin-top: 72px; padding-bottom: 8px; }
.pg-head { margin-bottom: 36px; }
.pg-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--c-accent);
    font-weight: 700;
    margin-bottom: 10px;
}
.pg-title {
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 900;
    color: var(--c-text);
    line-height: 1.35;
    position: relative;
    padding-left: 16px;
}
.pg-title::before {
    content: '';
    position: absolute;
    left: 0; top: 6px; bottom: 6px;
    width: 5px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
}
.pg-desc {
    font-size: 15px;
    color: var(--c-text-secondary);
    line-height: 1.9;
    margin-top: 14px;
    max-width: 900px;
}
.pg-lead {
    background: linear-gradient(135deg, #eaf3ff 0%, #e6fbff 100%);
    border-left: 4px solid var(--c-primary);
    border-radius: var(--r-md);
    padding: 20px 24px;
    font-size: 15px;
    color: #1e3a5f;
    line-height: 1.9;
    margin: 24px 0 0;
}
.pg-lead strong { color: var(--c-primary); }

/* ===== 卡片网格 ===== */
.pg-grid { display: grid; gap: 20px; margin-top: 26px; }
.pg-grid.g2 { grid-template-columns: repeat(2, 1fr); }
.pg-grid.g3 { grid-template-columns: repeat(3, 1fr); }
.pg-grid.g4 { grid-template-columns: repeat(4, 1fr); }
.pg-grid.g5 { grid-template-columns: repeat(5, 1fr); }

.pg-card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: 26px 24px;
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}
.pg-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-base);
}
.pg-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.pg-card:hover::before { transform: scaleX(1); }
.pg-card h3 { font-size: 16.5px; font-weight: 700; color: var(--c-text); margin-bottom: 10px; line-height: 1.5; }
.pg-card h3 .idx {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px; height: 26px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    margin-right: 9px;
    vertical-align: 2px;
}
.pg-card p { font-size: 14px; color: var(--c-text-secondary); line-height: 1.85; }
.pg-card .pg-kw {
    display: inline-block;
    margin-top: 14px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-primary);
    background: rgba(0,102,255,.08);
    border-radius: 6px;
    padding: 4px 10px;
}
.pg-card.dark { background: linear-gradient(150deg, #0b2a63, #0066ff); border: none; color: #fff; }
.pg-card.dark h3 { color: #fff; }
.pg-card.dark p { color: rgba(255,255,255,.85); }

/* 列表 */
.pg-list { margin-top: 22px; }
.pg-list li {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    font-size: 14.5px;
    color: var(--c-text-secondary);
    line-height: 1.8;
    border-bottom: 1px dashed var(--c-border);
}
.pg-list li:last-child { border-bottom: none; }
.pg-list li b { color: var(--c-text); font-weight: 700; }
.pg-list .ck {
    flex-shrink: 0;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 3px;
}

/* 业务架构分层 */
.pg-layers { margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.pg-layer {
    display: flex;
    align-items: stretch;
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    overflow: hidden;
}
.pg-layer-name {
    flex-shrink: 0;
    width: 132px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px 10px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #0b2a63, var(--c-primary));
    line-height: 1.5;
}
.pg-layer-body { padding: 16px 20px; flex: 1; }
.pg-layer-body h4 { font-size: 15px; color: var(--c-text); margin-bottom: 6px; }
.pg-layer-body p { font-size: 13.5px; color: var(--c-text-secondary); line-height: 1.8; }
.pg-layer.hi .pg-layer-name { background: linear-gradient(135deg, var(--c-accent), #0891b2); }

/* WF 编码矩阵 */
.pg-wf { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 26px; }
.pg-wf-col { background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: 18px; }
.pg-wf-col h4 {
    font-size: 15px;
    color: var(--c-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--c-bg-tint);
}
.pg-wf-col h4 em { font-style: normal; font-size: 12px; color: #fff; background: var(--c-primary); border-radius: 6px; padding: 2px 8px; }
.pg-wf-col.hi h4 em { background: var(--c-accent); }
.pg-wf-item {
    font-size: 13px;
    color: var(--c-text-secondary);
    padding: 6px 0 6px 20px;
    position: relative;
    line-height: 1.6;
}
.pg-wf-item::before { content: '▸'; position: absolute; left: 2px; color: var(--c-accent); }
.pg-wf-item code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 11.5px;
    color: var(--c-primary);
    background: rgba(0,102,255,.07);
    border-radius: 4px;
    padding: 1px 5px;
    margin-right: 6px;
}

/* 对照表 */
.pg-table { width: 100%; border-collapse: collapse; margin-top: 26px; background: var(--c-white); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.pg-table th, .pg-table td { padding: 15px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--c-border); }
.pg-table th { background: #0b2a63; color: #fff; font-weight: 600; font-size: 13.5px; letter-spacing: .5px; }
.pg-table td { color: var(--c-text-secondary); line-height: 1.75; }
.pg-table td:first-child { color: var(--c-text); font-weight: 500; }
.pg-table tr:last-child td { border-bottom: none; }
.pg-table tr:hover td { background: #f7fbff; }

/* 流程步骤 */
.pg-steps { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.pg-step {
    flex: 1;
    min-width: 130px;
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 18px 16px;
    position: relative;
}
.pg-step span { font-size: 11.5px; letter-spacing: 1px; color: var(--c-text-light); font-weight: 700; }
.pg-step b { display: block; font-size: 16px; color: var(--c-text); margin-top: 6px; }
.pg-step small { display: block; font-size: 12.5px; color: var(--c-text-secondary); margin-top: 6px; line-height: 1.6; }
.pg-step::after {
    content: '›';
    position: absolute;
    right: -12px; top: 50%;
    transform: translateY(-50%);
    color: var(--c-primary-lighter);
    font-size: 20px;
    font-weight: 700;
}
.pg-step:last-child::after { display: none; }

/* 案例 */
.pg-case {
    background: linear-gradient(150deg, #0a1628, #0b2a63 70%, #0d3f8f);
    border-radius: var(--r-xl);
    padding: 44px 44px 40px;
    color: #fff;
    margin-top: 26px;
}
.pg-case-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 18px; margin-bottom: 8px; }
.pg-case-year {
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, #fff, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.pg-case-head h3 { font-size: 22px; font-weight: 700; }
.pg-case-head p { font-size: 13.5px; color: rgba(255,255,255,.6); margin-top: 4px; }
.pg-case-desc { font-size: 15px; color: rgba(255,255,255,.86); line-height: 1.9; margin: 18px 0 26px; max-width: 900px; }
.pg-case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.pg-case-item { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: var(--r-md); padding: 18px; }
.pg-case-item b { display: block; font-size: 14.5px; margin-bottom: 8px; color: #7dd3fc; }
.pg-case-item p { font-size: 13px; color: rgba(255,255,255,.8); line-height: 1.75; }

/* CTA */
.pg-cta {
    margin: 72px 0 0;
    background: linear-gradient(135deg, #0a1628 0%, #0066ff 100%);
    border-radius: var(--r-xl);
    padding: 48px 44px;
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
}
.pg-cta h3 { font-size: clamp(20px, 2.4vw, 26px); font-weight: 900; margin-bottom: 10px; }
.pg-cta p { font-size: 14.5px; color: rgba(255,255,255,.82); line-height: 1.8; max-width: 620px; }
.pg-cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* 底部 */
.pg-footer { margin-top: 64px; background: #0a1628; color: rgba(255,255,255,.7); padding: 40px 0 28px; }
.pg-footer-inner { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
.pg-footer strong { color: #fff; font-size: 15px; display: block; margin-bottom: 6px; }
.pg-footer p { font-size: 13px; line-height: 1.8; }
.pg-footer-links { display: flex; gap: 22px; flex-wrap: wrap; font-size: 13.5px; }
.pg-footer-links a:hover { color: #7dd3fc; }
.pg-copy { margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12.5px; color: rgba(255,255,255,.45); }

.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible { opacity: 1; transform: none; }

a.pg-anchor-inline { color: var(--c-primary); font-weight: 700; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .pg-grid.g4, .pg-grid.g5 { grid-template-columns: repeat(2, 1fr); }
    .pg-wf { grid-template-columns: repeat(2, 1fr); }
    .pg-case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    body { padding-top: var(--header-h); }
    .lang-drop { margin-left: 10px; }
    .lang-drop-btn { padding: 6px 10px; font-size: 12.5px; }
    .lang-drop-btn .lang-drop-label { max-width: 72px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .pg-hero { padding-top: 48px; }
    .pg-hero-actions { padding-bottom: 40px; }
    .pg-stats { grid-template-columns: repeat(2, 1fr); }
    .pg-section { padding: 52px 0 4px; }
    .pg-section.alt { margin-top: 52px; }
    .pg-grid.g2, .pg-grid.g3, .pg-grid.g4, .pg-grid.g5 { grid-template-columns: 1fr; }
    .pg-wf { grid-template-columns: 1fr; }
    .pg-layer { flex-direction: column; }
    .pg-layer-name { width: 100%; padding: 12px; }
    .pg-case { padding: 30px 22px; }
    .pg-case-grid { grid-template-columns: 1fr; }
    .pg-case-year { font-size: 42px; }
    .pg-cta { padding: 34px 24px; margin-top: 52px; }
    .pg-step::after { display: none; }
    .pg-table { display: block; overflow-x: auto; }
}