/* ==========================================================================
   月晓科技官网 · 设计系统 v2
   风格：互联网 / B2B 科技感 · 颜色沿用品牌蓝 #1e6fff + 橙 #ff6b35 + 绿 #10b981
   原则：去 AI 模板感 —— 无 emoji 图标、无渐变标题字、无光斑背景、克制动效
   ========================================================================== */

/* ===== Tokens ===== */
:root {
    /* 品牌色（沿用现有色调） */
    --blue: #1e6fff;
    --blue-dark: #1457d8;
    --blue-deep: #0d3f9e;
    --blue-soft: rgba(30, 111, 255, 0.08);
    --orange: #ff6b35;
    --orange-soft: rgba(255, 107, 53, 0.08);
    --green: #10b981;
    --green-soft: rgba(16, 185, 129, 0.08);
    --purple: #7c3aed;
    --purple-soft: rgba(124, 58, 237, 0.08);

    /* 中性色 */
    --bg: #ffffff;
    --bg-soft: #f6f8fc;
    --bg-deep: #0b1220;
    --bg-deep-2: #111c31;
    --ink: #0c1526;
    --text: #3d4a5f;
    --muted: #8a96a8;
    --line: #e4e9f1;
    --line-strong: #d2dae6;

    /* 字体 */
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;

    /* 旧版变量兼容别名（详情页正文内联样式沿用） */
    --bg-section: var(--bg-soft);
    --primary-blue: var(--blue);
    --text-muted: var(--muted);
    --text-secondary: var(--text);

    /* 形状与阴影 */
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(12, 21, 38, 0.04);
    --shadow-md: 0 6px 24px rgba(12, 21, 38, 0.07);
    --shadow-blue: 0 8px 24px rgba(30, 111, 255, 0.22);
    --max-width: 1200px;
}

/* ===== Reset / Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul, ol { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

::selection { background: var(--blue); color: #fff; }

/* ===== 通用组件 ===== */

/* 微标签：mono 字 + 线段，替代原来的胶囊 badge */
.section-tag {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono);
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--blue); margin-bottom: 18px;
}
.section-tag::before {
    content: ""; display: block; width: 26px; height: 1px;
    background: currentColor; opacity: 0.5;
}
.section-tag::after {
    content: ""; display: block; width: 5px; height: 5px;
    background: currentColor;
}
.section-tag.orange { color: var(--orange); }
.section-tag.green { color: var(--green); }
.section-tag.purple { color: var(--purple); }

.section-header { margin-bottom: 44px; }
.section-header.center { text-align: center; }
.section-header.center .section-tag { justify-content: center; }

.section-title {
    font-size: clamp(26px, 3.4vw, 36px);
    font-weight: 700; line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 14px;
}

.section-desc {
    font-size: 15px; color: var(--text);
    max-width: 640px; line-height: 1.8;
}
.section-header.center .section-desc { margin: 0 auto; }

.section-cta { text-align: center; margin-top: 44px; }

/* 按钮 */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 28px; border-radius: var(--radius-sm);
    background: var(--blue); color: #fff;
    font-size: 15px; font-weight: 600; line-height: 1;
    border: 1px solid var(--blue);
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    white-space: nowrap;
}
.btn-primary:hover {
    background: var(--blue-dark); border-color: var(--blue-dark);
    transform: translateY(-1px); box-shadow: var(--shadow-blue);
}

.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 28px; border-radius: var(--radius-sm);
    background: var(--bg); color: var(--ink);
    font-size: 15px; font-weight: 600; line-height: 1;
    border: 1px solid var(--line-strong);
    transition: border-color 0.2s, color 0.2s, transform 0.15s;
    white-space: nowrap;
}
.btn-secondary:hover {
    border-color: var(--blue); color: var(--blue);
    transform: translateY(-1px);
}

.btn-white {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 34px; border-radius: var(--radius-sm);
    background: #fff; color: var(--blue);
    font-size: 15px; font-weight: 700; line-height: 1;
    transition: transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.btn-white:hover { transform: translateY(-1px); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3); }

/* 状态点 */
.dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--green); box-shadow: 0 0 0 3px var(--green-soft);
}

/* ===== Navbar ===== */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    height: 68px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    display: flex; align-items: center;
    height: 68px;
    gap: 40px;
}

.logo { display: flex; align-items: center; height: 30px; margin-right: 8px; }
.logo img { height: 30px; width: auto; object-fit: contain; }

.nav-links { display: flex; gap: 34px; list-style: none; margin-right: auto; }
.nav-links a {
    color: var(--text); font-size: 14.5px; font-weight: 500;
    transition: color 0.2s; position: relative; padding: 6px 0;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--blue); font-weight: 600; }
.nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 100%; height: 2px; border-radius: 2px;
    background: var(--blue);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
    padding: 9px 20px; border-radius: var(--radius-sm);
    background: var(--blue); color: #fff;
    font-size: 14px; font-weight: 600; line-height: 1;
    transition: background 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}
.nav-cta:hover { background: var(--blue-dark); box-shadow: var(--shadow-blue); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ===== 首页 Hero ===== */
.hero {
    position: relative;
    padding: 148px 0 72px;
    background:
        linear-gradient(180deg, #f6f9ff 0%, #ffffff 55%);
    overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--blue-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--blue-soft) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 75%);
}

.hero-grid {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 6px 14px 6px 12px;
    border-radius: 4px;
    background: #fff;
    border: 1px solid var(--line);
    font-family: var(--mono);
    font-size: 12px; font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text);
    margin-bottom: 26px;
}

.hero h1 {
    font-size: clamp(32px, 4.4vw, 52px);
    font-weight: 700; line-height: 1.18;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 22px;
}
.hero h1 .grad {
    color: var(--blue);
    background: none;
    -webkit-text-fill-color: currentColor;
}
.hero h1 .orange { color: var(--orange); }
.hero h1 .highlight { color: var(--blue); }
.hero h1 .highlight-orange { color: var(--orange); }

.hero-subtitle {
    font-size: 16px; color: var(--text);
    max-width: 540px; line-height: 1.85;
    margin-bottom: 34px;
}

.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 0;
    margin-top: 52px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    overflow: hidden;
    max-width: 640px;
    box-shadow: var(--shadow-sm);
}
.hero-stat {
    padding: 18px 26px;
    border-right: 1px solid var(--line);
}
.hero-stat:last-child { border-right: none; }
.hero-stat .num {
    font-family: var(--mono);
    font-size: 24px; font-weight: 700;
    color: var(--blue); letter-spacing: -0.01em;
    margin-bottom: 2px;
}
.hero-stat .label { font-size: 12px; color: var(--muted); }

/* ===== 产品监测台（Hero 右侧可视化） ===== */
.product-ui {
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(12, 21, 38, 0.10);
    overflow: hidden;
    position: relative;
}
.product-ui::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    border-radius: 12px;
    box-shadow: inset 0 0 0 1px rgba(30, 111, 255, 0.06);
}
.pu-bar {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
}
.pu-bar .pu-dots { display: flex; gap: 6px; }
.pu-bar .pu-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.pu-bar .pu-dots i:nth-child(1) { background: #ff6b6b; }
.pu-bar .pu-dots i:nth-child(2) { background: #ffd166; }
.pu-bar .pu-dots i:nth-child(3) { background: #06d6a0; }
.pu-url {
    font-family: var(--mono); font-size: 11.5px; color: var(--muted);
    letter-spacing: 0.02em;
}
.pu-status {
    margin-left: auto;
    font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em;
    color: var(--green);
    display: inline-flex; align-items: center; gap: 6px;
}
.pu-status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

.pu-body { padding: 18px 20px 20px; }

.pu-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    padding-bottom: 14px; border-bottom: 1px solid var(--line);
    margin-bottom: 12px;
}
.pu-metric .pu-metric-label {
    font-size: 11px; color: var(--muted);
    letter-spacing: 0.06em; margin-bottom: 4px;
}
.pu-metric .pu-metric-value {
    font-family: var(--mono);
    font-size: 28px; font-weight: 700; color: var(--ink);
    letter-spacing: -0.01em;
}
.pu-metric .pu-metric-value em {
    font-style: normal; font-size: 13px; font-weight: 600;
    color: var(--green); margin-left: 6px;
}
.pu-delta {
    font-family: var(--mono); font-size: 12px; color: var(--muted);
    text-align: right;
}
.pu-delta b { color: var(--green); font-weight: 600; }

.pu-list { display: flex; flex-direction: column; }
.pu-row {
    display: grid;
    grid-template-columns: 1fr auto 120px;
    align-items: center; gap: 14px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--line);
}
.pu-row:last-child { border-bottom: none; }
.pu-name { font-size: 13px; font-weight: 600; color: var(--ink); }
.pu-chip {
    font-family: var(--mono); font-size: 10.5px;
    letter-spacing: 0.04em; padding: 3px 8px; border-radius: 3px;
    background: var(--green-soft); color: var(--green);
    white-space: nowrap;
}
.pu-chip.mid { background: var(--orange-soft); color: var(--orange); }
.pu-meter { display: flex; align-items: center; gap: 10px; }
.pu-track {
    flex: 1; height: 6px; border-radius: 3px;
    background: var(--bg-soft); overflow: hidden;
}
.pu-track i {
    display: block; height: 100%; border-radius: 3px;
    background: linear-gradient(90deg, var(--blue), #5f9bff);
}
.pu-meter span {
    font-family: var(--mono); font-size: 11.5px; color: var(--text);
    width: 34px; text-align: right;
}

.pu-foot {
    display: flex; justify-content: space-between;
    margin-top: 14px; padding-top: 14px;
    border-top: 1px solid var(--line);
    font-family: var(--mono); font-size: 11.5px; color: var(--muted);
}
.pu-foot b { color: var(--ink); font-weight: 600; }

/* ===== 品牌可见度报告（Hero 右侧可视化 v2：多维度自动轮播） ===== */
.report-ui {
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(12, 21, 38, 0.10);
    overflow: hidden;
    position: relative;
}
.report-ui::after {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    border-radius: 12px;
    box-shadow: inset 0 0 0 1px rgba(30, 111, 255, 0.06);
}

.ru-body { padding: 18px 20px 16px; }

/* 综合评分头 */
.ru-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    padding-bottom: 14px; border-bottom: 1px solid var(--line);
    margin-bottom: 12px;
}
.ru-score-label {
    font-size: 11px; letter-spacing: 0.06em; color: var(--muted);
    margin-bottom: 5px;
}
.ru-score {
    font-family: var(--mono);
    font-size: 34px; font-weight: 700; color: var(--ink);
    line-height: 1; letter-spacing: -0.01em;
}
.ru-score small { font-size: 14px; color: var(--muted); font-weight: 500; margin-left: 2px; }
.ru-score em {
    font-style: normal; font-size: 11.5px; font-weight: 600;
    color: #fff; background: var(--green);
    padding: 3px 9px; border-radius: 4px;
    margin-left: 10px; vertical-align: 3px; letter-spacing: 0.04em;
}
.ru-grade { text-align: right; }
.ru-grade .g-label {
    font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted);
    margin-bottom: 5px;
}
.ru-grade .g-value {
    font-family: var(--mono); font-size: 16px; font-weight: 700;
    color: var(--green); line-height: 1;
}
.ru-grade .g-trend {
    font-family: var(--mono); font-size: 11px; color: var(--muted);
    margin-top: 5px; line-height: 1.5;
}
.ru-grade .g-trend b { color: var(--green); font-weight: 600; }
.ru-sub {
    font-family: var(--mono); font-size: 11px; color: var(--muted);
    margin-top: 8px;
}
.ru-sub b { color: var(--ink); font-weight: 600; }
.ru-sub .up { color: var(--green); font-weight: 600; }

/* 维度轮播区（高度与 .ru-slide 保持一致，改一处需同步） */
.ru-carousel { overflow: hidden; height: 126px; position: relative; }
.ru-track { display: flex; flex-direction: column; animation: ruRotate 24.5s cubic-bezier(0.45, 0, 0.25, 1) infinite; }
.report-ui:hover .ru-track { animation-play-state: paused; }

.ru-slide {
    height: 126px; box-sizing: border-box;
    display: flex; flex-direction: column; justify-content: center;
    padding: 4px 0;
    border-bottom: 1px dashed var(--line);
}
.ru-slide-top { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 7px; }
.ru-dim { font-size: 13px; font-weight: 600; color: var(--ink); }
.ru-dim small {
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em;
    color: var(--muted); margin-left: 6px; font-weight: 400;
}
.ru-val { font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--blue); line-height: 1; }
.ru-val em {
    font-style: normal; font-size: 10.5px; color: var(--muted);
    font-weight: 500; margin-left: 4px;
}
.ru-val .lv {
    font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 3px;
    margin-left: 6px; vertical-align: 2px;
}
.lv-good { background: var(--green-soft); color: var(--green); }
.lv-full { background: var(--blue-soft); color: var(--blue); }
.lv-lead { background: var(--orange-soft); color: var(--orange); }

.ru-detail {
    font-family: var(--mono); font-size: 10.5px; color: var(--text);
    margin-bottom: 8px; white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis;
}
.ru-detail b { color: var(--ink); font-weight: 600; }
.ru-detail .up { color: var(--green); font-weight: 600; }
.ru-detail .n { color: var(--blue); font-weight: 600; }

.ru-trackbar { display: flex; align-items: center; gap: 10px; }
.ru-tbar {
    flex: 1; height: 7px; border-radius: 4px;
    background: var(--bg-soft); overflow: hidden;
}
.ru-tbar i {
    display: block; height: 100%; border-radius: 4px;
    background: linear-gradient(90deg, var(--blue), #5f9bff);
}
.ru-percent { font-family: var(--mono); font-size: 11px; color: var(--text); width: 36px; text-align: right; }

/* 竞品对比（轮播卡内紧凑版） */
.rc-row { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.rc-row:last-child { margin-bottom: 0; }
.rc-name {
    font-size: 10.5px; font-weight: 600; color: var(--ink);
    width: 58px; flex: none; white-space: nowrap;
}
.rc-row.self .rc-name { color: var(--blue); }
.rc-track {
    flex: 1; height: 6px; border-radius: 3px;
    background: var(--bg-soft); overflow: hidden;
}
.rc-track i {
    display: block; height: 100%; border-radius: 3px;
    background: var(--line-strong);
}
.rc-row.self .rc-track i { background: linear-gradient(90deg, var(--blue), #5f9bff); }
.rc-val {
    font-family: var(--mono); font-size: 10.5px; font-weight: 600;
    color: var(--ink); width: 22px; text-align: right; flex: none;
}
.rc-tag {
    font-size: 9px; font-weight: 600; padding: 1px 6px; border-radius: 3px;
    background: var(--green-soft); color: var(--green); flex: none;
}

/* 近 7 天提及量趋势（迷你柱状图） */
.ru-trend {
    margin-top: 12px; padding: 10px 0 8px;
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.rt-title {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted);
    margin-bottom: 8px;
}
.rt-title small { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.05em; }
.rt-title b { font-family: var(--mono); font-size: 13px; color: var(--green); font-weight: 700; }
.rt-bars { display: flex; align-items: flex-end; gap: 10px; padding: 0 2px; }
.rt-bar {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.rt-bar i {
    width: 100%; max-width: 30px; border-radius: 3px 3px 0 0;
    background: linear-gradient(180deg, #5f9bff, var(--blue));
    min-height: 4px;
}
.rt-bar.hot i { background: linear-gradient(180deg, #34d399, var(--green)); }
.rt-bar span { font-family: var(--mono); font-size: 9px; color: var(--muted); }
.rt-bar.hot span { color: var(--green); font-weight: 600; }

/* 核心关键词排名 */
.ru-keys { margin-top: 12px; }
.rk-title {
    font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted);
    margin-bottom: 6px;
}
.rk-title small { font-family: var(--mono); font-size: 9.5px; margin-left: 6px; letter-spacing: 0.05em; }
.rk-row {
    display: flex; align-items: center; gap: 8px;
    padding: 5px 0; border-bottom: 1px dashed var(--line);
}
.rk-row:last-child { border-bottom: none; padding-bottom: 0; }
.rk-kw { font-size: 11px; font-weight: 600; color: var(--ink); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rk-eng {
    font-family: var(--mono); font-size: 9px; color: var(--blue);
    background: var(--blue-soft); padding: 1px 6px; border-radius: 3px;
    flex: none;
}
.rk-rank { font-family: var(--mono); font-size: 10.5px; color: var(--muted); width: 44px; text-align: right; flex: none; }
.rk-rank b { color: var(--ink); font-weight: 700; }
.rk-trend { font-family: var(--mono); font-size: 10px; width: 22px; text-align: center; flex: none; }
.rk-trend.up { color: var(--green); }
.rk-trend.flat { color: var(--muted); }

/* 底部 */
.ru-foot {
    display: flex; justify-content: space-between; flex-wrap: wrap;
    row-gap: 4px;
    margin-top: 12px; padding-top: 11px;
    border-top: 1px solid var(--line);
    font-family: var(--mono); font-size: 10.5px; color: var(--muted);
}
.ru-foot b { color: var(--ink); font-weight: 600; }
.ru-note { color: var(--muted); opacity: 0.75; }

/* 自动轮播：7 张维度卡（含竞品对比），每张约 3.5s（0.6s 过渡 + 2.9s 停留），步进与 .ru-slide 高度同步 */
@keyframes ruRotate {
    0%   { transform: translateY(0); }
    12%  { transform: translateY(0); }
    14%  { transform: translateY(-126px); }
    26%  { transform: translateY(-126px); }
    29%  { transform: translateY(-252px); }
    41%  { transform: translateY(-252px); }
    43%  { transform: translateY(-378px); }
    55%  { transform: translateY(-378px); }
    58%  { transform: translateY(-504px); }
    70%  { transform: translateY(-504px); }
    72%  { transform: translateY(-630px); }
    84%  { transform: translateY(-630px); }
    87%  { transform: translateY(-756px); }
    99%  { transform: translateY(-756px); }
    100% { transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .ru-track { animation: none; }
}

/* ===== 平台条（覆盖引擎） ===== */
.platform-strip {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    padding: 26px 0;
}
.platform-label {
    text-align: center; font-family: var(--mono);
    font-size: 12px; letter-spacing: 0.14em;
    color: var(--muted); margin-bottom: 18px;
}
.platform-list {
    display: flex; justify-content: center; align-items: center;
    gap: 40px; flex-wrap: wrap;
}
.platform-item {
    font-family: var(--mono);
    font-size: 15px; font-weight: 600; color: var(--text);
    opacity: 0.85; transition: color 0.2s, opacity 0.2s;
    display: inline-flex; align-items: center; gap: 8px;
}
.platform-item::before {
    content: ''; width: 5px; height: 5px; border-radius: 50%;
    background: var(--line-strong);
    transition: background 0.2s;
}
.platform-item:hover { opacity: 1; color: var(--blue); }
.platform-item:hover::before { background: var(--blue); }

/* ===== Section 基础 ===== */
section { padding: 88px 0; }
.section-alt { background: var(--bg-soft); }

/* ===== 业务入口卡片（国内/海外） ===== */
.business-entry { padding: 88px 0; }
.entry-cards {
    display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
    margin-top: 48px;
}
.entry-card {
    position: relative;
    display: block; padding: 40px 38px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: #fff;
    overflow: hidden;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.entry-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--blue);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.35s ease;
}
.entry-card.overseas::before { background: linear-gradient(90deg, var(--purple), var(--blue)); }
.entry-card:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: var(--shadow-md); }
.entry-card.overseas:hover { border-color: var(--purple); }
.entry-card:hover::before { transform: scaleX(1); }

.entry-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.entry-icon {
    width: 46px; height: 46px; border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    background: var(--blue-soft); color: var(--blue);
}
.entry-card.overseas .entry-icon { background: var(--purple-soft); color: var(--purple); }
.entry-icon svg { width: 24px; height: 24px; }
.entry-region {
    font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
    color: var(--blue); font-weight: 600;
}
.entry-card.overseas .entry-region { color: var(--purple); }

.entry-card h3 { font-size: 23px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.entry-card .entry-desc { font-size: 14.5px; color: var(--text); line-height: 1.85; margin-bottom: 22px; }

.entry-features { display: flex; flex-direction: column; margin-bottom: 22px; }
.entry-features li {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 9px 0; font-size: 14px; color: var(--text);
    border-bottom: 1px dashed var(--line);
}
.entry-features li:last-child { border-bottom: none; }
.entry-features li::before {
    content: ''; width: 7px; height: 7px; flex-shrink: 0;
    border-radius: 2px; margin-top: 6px;
    background: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-soft);
}
.entry-card.overseas .entry-features li::before { background: var(--purple); box-shadow: 0 0 0 3px var(--purple-soft); }

/* WHY GEO 板块列表：真实迷你描边图标替换符号 */
.entry-features.feat-icons li::before { display: none; }
.feature-icon {
    width: 17px; height: 17px; flex-shrink: 0; margin-top: 2px;
    stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
    fill: none; stroke: currentColor;
}
.value-card .feature-icon { color: var(--blue); }
.icon-wrap.orange ~ .entry-features .feature-icon { color: var(--orange); }

.entry-engines { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 24px; }
.engine-chip {
    padding: 4px 11px; border-radius: 4px;
    background: var(--bg-soft); border: 1px solid var(--line);
    font-family: var(--mono); font-size: 12px; color: var(--muted);
}

.entry-link {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: 14.5px; font-weight: 600; color: var(--blue);
    transition: gap 0.2s;
}
.entry-card.overseas .entry-link { color: var(--purple); }
.entry-card:hover .entry-link { gap: 12px; }

/* ===== 流程管道（怎么做） ===== */
.pipeline {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0; margin-top: 48px;
    position: relative;
}
.pipeline::before {
    content: ''; position: absolute; top: 23px; left: 8%; right: 8%;
    height: 1px; background: var(--line-strong);
    z-index: 0;
}
.pipe-step {
    position: relative; z-index: 1;
    padding: 0 22px;
}
.pipe-step .pipe-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 46px; height: 46px; border-radius: 50%;
    background: #fff; border: 1px solid var(--line-strong);
    font-family: var(--mono); font-size: 14px; font-weight: 700;
    color: var(--blue); margin-bottom: 18px;
    box-shadow: 0 0 0 6px var(--bg);
}
.pipe-step .pipe-code {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
    color: var(--muted); text-transform: uppercase; margin-bottom: 6px;
}
.pipe-step h4 { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.pipe-step p { font-size: 13.5px; color: var(--text); line-height: 1.75; }

/* ===== 数据指标条 ===== */
.metrics-strip {
    display: grid; grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    margin-top: 48px;
    box-shadow: var(--shadow-sm);
}
.metric-cell {
    padding: 30px 32px;
    border-right: 1px solid var(--line);
}
.metric-cell:last-child { border-right: none; }
.metric-cell .m-num {
    font-family: var(--mono);
    font-size: 34px; font-weight: 700; letter-spacing: -0.01em;
    color: var(--ink); margin-bottom: 6px;
}
.metric-cell .m-num em { font-style: normal; color: var(--blue); }
.metric-cell .m-label { font-size: 13.5px; color: var(--muted); }

/* ===== 通用卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.value-card, .service-card, .vision-card, .advantage-card, .region-card, .fit-item {
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: #fff;
    padding: 32px 30px;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.value-card:hover, .service-card:hover, .advantage-card:hover, .region-card:hover, .fit-item:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* 图标（SVG stroke） */
.icon {
    width: 22px; height: 22px;
    stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
    fill: none;
    stroke: currentColor;
    transition: transform .25s ease;
}
/* 图标内的同色填充点缀（升级版细节） */
.icon .ic-dot { fill: currentColor; stroke: none; }
.icon-wrap {
    width: 44px; height: 44px; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, var(--blue-soft), #eef4ff);
    color: var(--blue);
    margin-bottom: 18px; flex-shrink: 0;
    border: 1px solid rgba(30, 111, 255, 0.10);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 2px 6px rgba(30, 111, 255, 0.05);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.icon-wrap:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(30, 111, 255, 0.13);
    border-color: rgba(30, 111, 255, 0.22);
}
.icon-wrap:hover .icon { transform: scale(1.08); }
.icon-wrap.orange { background: linear-gradient(145deg, var(--orange-soft), #fff6ef); border-color: rgba(255, 107, 53, 0.12); box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 2px 6px rgba(255,107,53,.05); }
.icon-wrap.orange:hover { box-shadow: 0 8px 16px rgba(255, 107, 53, 0.14); border-color: rgba(255,107,53,.22); }
.icon-wrap.green { background: linear-gradient(145deg, var(--green-soft), #effaf5); border-color: rgba(16, 185, 129, 0.12); box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 2px 6px rgba(16,185,129,.05); }
.icon-wrap.green:hover { box-shadow: 0 8px 16px rgba(16, 185, 129, 0.14); border-color: rgba(16,185,129,.22); }
.icon-wrap.purple { background: linear-gradient(145deg, var(--purple-soft), #f5f2ff); border-color: rgba(139, 92, 246, 0.12); box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 2px 6px rgba(139,92,246,.05); }
.icon-wrap.purple:hover { box-shadow: 0 8px 16px rgba(139, 92, 246, 0.14); border-color: rgba(139,92,246,.22); }

.service-card h3, .value-card h4, .vision-card h4, .advantage-card h3, .region-card h3, .fit-item h4 {
    font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 10px;
}
.service-card p, .value-card p, .vision-card p, .advantage-card p, .region-card p, .fit-item p {
    font-size: 14px; color: var(--text); line-height: 1.8;
}

/* 序号（核心优势） */
.advantage-card { position: relative; padding-top: 36px; }
.advantage-num {
    position: absolute; top: 22px; right: 26px;
    font-family: var(--mono); font-size: 30px; font-weight: 700;
    color: var(--line-strong); line-height: 1;
}
.highlight-box {
    margin-top: 18px; padding: 14px 16px;
    background: var(--bg-soft); border-radius: var(--radius-sm);
    border-left: 3px solid var(--blue);
    font-size: 13.5px; color: var(--text); line-height: 1.75;
}
.advantage-card:nth-child(2) .highlight-box { border-left-color: var(--orange); }
.advantage-card:nth-child(3) .highlight-box { border-left-color: var(--green); }

/* ===== 对比表格 ===== */
.compare-wrap {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}
.compare-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare-table th {
    text-align: left; padding: 14px 20px;
    background: var(--bg-soft);
    font-size: 13px; font-weight: 600; color: var(--ink);
    border-bottom: 1px solid var(--line);
    font-family: var(--mono);
    letter-spacing: 0.04em;
}
.compare-table td {
    padding: 14px 20px; border-bottom: 1px solid var(--line);
    font-size: 14px; color: var(--text);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover td { background: var(--bg-soft); }
.compare-table .dim { font-weight: 600; color: var(--ink); }
.compare-table .check { color: var(--green); font-weight: 700; }
.compare-table .cross { color: #e5484d; font-weight: 700; }

/* ===== 案例卡片 ===== */
.cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 22px; }
.case-card {
    display: flex; flex-direction: column;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 28px 28px 24px;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.case-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.case-tag {
    display: inline-block; padding: 3px 10px; border-radius: 4px;
    font-family: var(--mono); font-size: 11.5px; font-weight: 600;
    letter-spacing: 0.04em; margin-bottom: 16px; align-self: flex-start;
}
.case-tag.blue { background: var(--blue-soft); color: var(--blue); }
.case-tag.orange { background: var(--orange-soft); color: var(--orange); }
.case-tag.green { background: var(--green-soft); color: var(--green); }
.case-tag.purple { background: var(--purple-soft); color: var(--purple); }

.case-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.45; }
.case-card p { font-size: 13.5px; color: var(--text); line-height: 1.8; margin-bottom: 20px; flex: 1; }

.case-result {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    padding-top: 18px; border-top: 1px solid var(--line);
    margin-bottom: 16px;
}
.case-result-item .num {
    font-family: var(--mono); font-size: 21px; font-weight: 700;
    color: var(--blue); letter-spacing: -0.01em;
}
.case-result-item .label { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.case-card .read-more {
    font-size: 13.5px; font-weight: 600; color: var(--blue);
    display: inline-flex; align-items: center; gap: 5px;
}

/* ===== 知识卡片 ===== */
.knowledge-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.knowledge-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 28px;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
    cursor: pointer;
}
.knowledge-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.knowledge-card .cat-tag {
    display: inline-block; padding: 3px 10px; border-radius: 4px;
    font-family: var(--mono); font-size: 11.5px; font-weight: 600;
    background: var(--blue-soft); color: var(--blue);
    margin-bottom: 14px;
}
.knowledge-card h3 { font-size: 16.5px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.5; }
.knowledge-card p { font-size: 13.5px; color: var(--text); line-height: 1.8; }
.knowledge-card .read-more {
    margin-top: 14px; font-size: 13.5px; font-weight: 600;
    color: var(--blue); display: inline-flex; align-items: center; gap: 5px;
}

/* ===== 文章列表 ===== */
.article-list { display: flex; flex-direction: column; gap: 14px; }
.article-item {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 24px; align-items: start;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 24px 28px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.article-item:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); }
.article-item .article-cat {
    font-family: var(--mono); font-size: 11.5px; font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--blue); background: var(--blue-soft);
    padding: 4px 10px; border-radius: 4px;
    width: fit-content;
}
.article-item .article-body h3 { font-size: 16.5px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.article-item .article-body h3 a:hover { color: var(--blue); }
.article-item .article-body p { font-size: 13.5px; color: var(--text); line-height: 1.75; }
.article-item .article-meta {
    display: flex; gap: 16px; margin-top: 8px;
    font-family: var(--mono); font-size: 12px; color: var(--muted);
}

/* ===== 搜索与筛选 ===== */
.kb-toolbar {
    display: flex; gap: 18px; align-items: center; justify-content: space-between;
    margin-bottom: 34px; flex-wrap: wrap;
}
.kb-search { flex: 1; min-width: 260px; position: relative; }
.kb-search input {
    width: 100%; padding: 12px 16px 12px 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line-strong);
    background: #fff; font-size: 14.5px; font-family: inherit;
    color: var(--ink); transition: border-color 0.2s, box-shadow 0.2s;
}
.kb-search input:focus {
    outline: none; border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-soft);
}
.kb-search .search-icon {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    color: var(--muted); pointer-events: none;
    display: flex;
}
.kb-search .search-icon svg { width: 17px; height: 17px; }

.kb-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.kb-filter button {
    padding: 8px 16px; border-radius: 6px;
    border: 1px solid var(--line-strong);
    background: #fff; color: var(--text);
    font-size: 13.5px; font-weight: 500; cursor: pointer;
    font-family: inherit; transition: all 0.2s;
}
.kb-filter button:hover { border-color: var(--blue); color: var(--blue); }
.kb-filter button.active { background: var(--blue); color: #fff; border-color: var(--blue); }

.kb-no-result {
    text-align: center; padding: 56px 24px;
    color: var(--muted); font-size: 14.5px; display: none;
}

/* ===== 页面头（子页面） ===== */
.page-header {
    padding: 132px 0 56px;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(180deg, #f6f9ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--blue-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--blue-soft) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 25%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 25%, transparent 75%);
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 {
    font-size: clamp(30px, 4.4vw, 44px);
    font-weight: 700; letter-spacing: -0.02em;
    color: var(--ink); margin-bottom: 12px;
}
.page-header p {
    font-size: 15.5px; color: var(--text);
    max-width: 620px; line-height: 1.8;
}

/* ===== 深色区块（展望 / CTA） ===== */
.dark-section {
    background: var(--bg-deep);
    position: relative; overflow: hidden;
}
.dark-section::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(30, 111, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 111, 255, 0.05) 1px, transparent 1px);
    background-size: 56px 56px;
}
.dark-section .container { position: relative; z-index: 1; }
.dark-section .section-title { color: #fff; }
.dark-section .section-desc { color: rgba(255, 255, 255, 0.62); }
.dark-section .section-tag { color: #7ea8ff; }

.vision-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    padding: 30px 28px;
}
.vision-card:hover { border-color: rgba(255, 255, 255, 0.22); box-shadow: none; transform: translateY(-2px); }
.vision-card h4 { color: #fff; }
.vision-card p { color: rgba(255, 255, 255, 0.62); }

.vision-quote {
    max-width: 760px; margin: 8px auto 52px; text-align: center;
    font-size: clamp(17px, 2vw, 23px); line-height: 1.7;
    color: rgba(255, 255, 255, 0.92); font-weight: 500;
    letter-spacing: 0.01em;
}
.vision-quote .highlight { color: #6ea4ff; font-weight: 600; }

/* 深色 CTA */
.cta-panel {
    background: var(--bg-deep);
    border-radius: 16px;
    padding: 64px 48px;
    position: relative; overflow: hidden;
    text-align: center;
}
.cta-panel::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        radial-gradient(circle at 18% 20%, rgba(30, 111, 255, 0.22), transparent 42%),
        radial-gradient(circle at 82% 78%, rgba(124, 58, 237, 0.16), transparent 42%);
}
.cta-panel .container { position: relative; z-index: 1; }
.cta-panel h2 {
    font-size: clamp(24px, 3vw, 34px); color: #fff;
    font-weight: 700; letter-spacing: -0.015em; margin-bottom: 14px;
}
.cta-panel p { font-size: 15.5px; color: rgba(255, 255, 255, 0.65); max-width: 560px; margin: 0 auto 32px; }
.cta-panel .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 关于页 ===== */
.about-content { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: stretch; }
.about-text .lead { font-size: 16px; color: var(--text); line-height: 1.9; margin-bottom: 18px; }
.about-quote {
    margin-top: 28px; padding: 22px 26px;
    background: var(--bg-soft);
    border-radius: var(--radius); border-left: 3px solid var(--blue);
    font-size: 15px; color: var(--text); line-height: 1.85;
}
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-content: stretch; }
.stat-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 30px 22px; text-align: center;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.stat-card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.stat-card .num {
    font-family: var(--mono);
    font-size: 42px; font-weight: 700; line-height: 1;
    margin-bottom: 12px; color: var(--ink);
}
.stat-card:nth-child(1) .num { color: var(--blue); }
.stat-card:nth-child(2) .num { color: var(--orange); }
.stat-card:nth-child(3) .num { color: var(--green); }
.stat-card:nth-child(4) .num { color: var(--purple); }
.stat-card .label { font-size: 14px; color: var(--muted); letter-spacing: 0.02em; }

/* 行业标签 */
.industry-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-top: 40px; }
.industry-chip {
    padding: 18px 14px; text-align: center;
    border: 1px solid var(--line); border-radius: var(--radius-sm);
    background: #fff; font-size: 15px; font-weight: 600; color: var(--text);
    transition: all 0.2s;
}
.industry-chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }

/* ===== 新闻报道 ===== */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.news-card {
    display: block; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 28px 28px;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.news-card:hover { border-color: var(--orange); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.news-source {
    font-family: var(--mono); font-size: 11px; font-weight: 600;
    letter-spacing: 0.06em;
    padding: 3px 9px; border-radius: 4px;
    background: var(--orange-soft); color: var(--orange);
}
.news-date { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.news-title { font-size: 17.5px; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.5; }
.news-summary { font-size: 13.5px; color: var(--text); line-height: 1.8; }

/* ===== 联系表单 ===== */
.contact-content { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; letter-spacing: -0.015em; margin-bottom: 16px; }
.contact-info .lead { font-size: 15.5px; color: var(--text); line-height: 1.85; margin-bottom: 30px; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-list li {
    display: flex; gap: 16px; align-items: center;
    padding: 18px 20px;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s;
}
.contact-list li:hover { border-color: var(--blue); }
.contact-icon {
    width: 42px; height: 42px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    background: var(--blue-soft); color: var(--blue);
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-list .label { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.contact-list .value { font-size: 15px; font-weight: 600; color: var(--ink); }
.contact-list .value a { color: inherit; }
.contact-list .value a:hover { color: var(--blue); }

.contact-form {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); padding: 36px;
    box-shadow: var(--shadow-sm);
}
.contact-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.contact-form .form-desc { font-size: 13.5px; color: var(--muted); margin-bottom: 26px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; color: var(--text); margin-bottom: 6px; font-weight: 500; }
.form-group input, .form-group textarea {
    width: 100%; padding: 11px 14px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft); border: 1px solid var(--line-strong);
    color: var(--ink); font-size: 14.5px; font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--blue); background: #fff;
    box-shadow: 0 0 0 3px var(--blue-soft);
}
.form-group textarea { resize: vertical; min-height: 104px; }

.form-submit {
    width: 100%; padding: 13px; border-radius: var(--radius-sm);
    background: var(--blue); color: #fff;
    font-size: 15px; font-weight: 600; font-family: inherit;
    border: 1px solid var(--blue); cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    margin-top: 6px;
}
.form-submit:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-blue); }

/* ===== 文章/案例详情 ===== */
.detail-section { padding-top: 118px; }
.article-detail { max-width: 800px; margin: 0 auto; }

.article-detail .back-link {
    display: inline-flex; align-items: center; gap: 7px;
    color: var(--muted); font-size: 13.5px; margin-bottom: 26px;
    transition: color 0.2s;
    font-family: var(--mono);
}
.article-detail .back-link:hover { color: var(--blue); }

.article-detail h1 {
    font-size: clamp(26px, 3.6vw, 36px);
    font-weight: 700; letter-spacing: -0.015em;
    color: var(--ink); margin-bottom: 16px; line-height: 1.3;
}

.article-detail .article-meta {
    display: flex; gap: 18px; flex-wrap: wrap;
    font-family: var(--mono); font-size: 12.5px; color: var(--muted);
    padding-bottom: 22px; margin-bottom: 30px;
    border-bottom: 1px solid var(--line);
}

.article-detail .article-body { font-size: 15.5px; line-height: 1.95; color: var(--text); }
.article-detail .article-body h2 {
    font-size: 21px; font-weight: 700; color: var(--ink);
    margin: 34px 0 14px; letter-spacing: -0.01em;
}
.article-detail .article-body h3 { font-size: 17.5px; font-weight: 600; color: var(--ink); margin: 26px 0 12px; }
.article-detail .article-body p { margin-bottom: 18px; }
.article-detail .article-body ul, .article-detail .article-body ol { margin: 0 0 20px 0; }
.article-detail .article-body li {
    position: relative; padding-left: 20px; margin-bottom: 9px;
}
.article-detail .article-body ul li::before {
    content: ''; position: absolute; left: 2px; top: 12px;
    width: 6px; height: 6px; background: var(--blue);
}
.article-detail .article-body ol { counter-reset: step; }
.article-detail .article-body ol li { counter-increment: step; }
.article-detail .article-body ol li::before {
    content: counter(step, decimal-leading-zero);
    position: absolute; left: 0; top: 0;
    font-family: var(--mono); font-size: 12px; font-weight: 600;
    color: var(--blue);
}
.article-detail .article-body strong { color: var(--ink); font-weight: 600; }

.case-result-highlight {
    display: flex; gap: 40px; flex-wrap: wrap;
    margin: 32px 0; padding: 28px 32px;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.case-result-highlight div:first-child { font-family: var(--mono); font-size: 32px; font-weight: 700; color: var(--blue); line-height: 1.1; }
.case-result-highlight div:last-child { font-size: 13px; color: var(--muted); }

/* 上一篇/下一篇 */
.article-nav {
    display: flex; justify-content: space-between; gap: 24px;
    margin-top: 52px; padding-top: 30px; border-top: 1px solid var(--line);
}
.article-nav-item {
    flex: 1; padding: 20px 24px;
    background: var(--bg-soft); border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, background 0.2s;
}
.article-nav-item:hover { border-color: var(--blue); background: #fff; }
.article-nav-item .nav-label {
    font-family: var(--mono); font-size: 11.5px; color: var(--muted);
    margin-bottom: 5px; letter-spacing: 0.06em;
}
.article-nav-item .nav-title { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.article-nav-item .nav-title a:hover { color: var(--blue); }
.article-nav-item.next { text-align: right; }

/* ===== 隐私页 ===== */
.privacy-wrap { max-width: 820px; margin: 0 auto; padding-top: 40px; }
.privacy-wrap h1 { font-size: 30px; font-weight: 700; letter-spacing: -0.015em; margin-bottom: 10px; }
.privacy-update { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-bottom: 36px; }
.privacy-wrap .block { background: var(--bg-soft); border-left: 3px solid var(--blue); padding: 18px 22px; border-radius: var(--radius-sm); margin-bottom: 26px; font-size: 14.5px; line-height: 1.85; }
.privacy-wrap h2 { font-size: 18px; font-weight: 700; margin: 30px 0 12px; color: var(--ink); }
.privacy-wrap p { font-size: 14.5px; line-height: 1.9; color: var(--text); margin-bottom: 14px; }
.privacy-wrap ul { margin-bottom: 18px; }
.privacy-wrap li { position: relative; padding-left: 18px; margin-bottom: 8px; font-size: 14.5px; line-height: 1.85; color: var(--text); }
.privacy-wrap li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; background: var(--blue); }

/* ===== 页脚 ===== */
footer { background: var(--bg-deep); color: rgba(255, 255, 255, 0.6); padding: 56px 0 28px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 24px;
}
.footer-brand .footer-logo { height: 30px; margin-bottom: 16px; }
.footer-brand .footer-logo img { height: 30px; filter: brightness(0) invert(1); opacity: 0.92; }
.footer-brand p { font-size: 13px; line-height: 1.9; max-width: 300px; }
.footer-col h4 {
    color: #fff; font-size: 13px; font-weight: 600;
    letter-spacing: 0.06em; margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13.5px; color: rgba(255, 255, 255, 0.58); transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; line-height: 1.7; color: rgba(255, 255, 255, 0.58); }
.footer-contact li svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 2px; color: rgba(255, 255, 255, 0.55); }

.footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-copy { font-size: 12.5px; color: rgba(255, 255, 255, 0.45); }
.footer-icp { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: center; }
.footer-icp a { font-size: 12px; color: rgba(255, 255, 255, 0.4); display: inline-flex; align-items: center; gap: 5px; }
.footer-icp a:hover { color: rgba(255, 255, 255, 0.7); }
.footer-icp span { color: rgba(255, 255, 255, 0.25); }

/* ===== 动效 ===== */
.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
 * GEO 客户端登录按钮 & 登录弹窗（功能保留，视觉同步新风格）
 * ============================================================ */
.geo-login-btn {
    margin-left: 12px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--blue);
    border: 1px solid var(--blue);
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.geo-login-btn:hover {
    background: var(--blue);
    color: #fff;
    box-shadow: var(--shadow-blue);
}
.geo-login-btn.logged {
    background: var(--blue); border-color: var(--blue); color: #fff;
}
.geo-login-btn.logged:hover {
    background: var(--blue-dark); border-color: var(--blue-dark);
    box-shadow: var(--shadow-blue);
}

.geo-login-mask {
    position: fixed; inset: 0; z-index: 100000;
    display: flex; align-items: center; justify-content: center;
    background: rgba(11, 18, 32, 0.6);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    padding: 20px;
    animation: geoFadeIn 0.2s ease;
}
.geo-login-modal {
    width: 100%; max-width: 420px;
    background: #fff; border-radius: 14px;
    border: 1px solid var(--line);
    box-shadow: 0 24px 60px rgba(11, 18, 32, 0.3);
    padding: 34px 32px 28px;
    position: relative;
    animation: geoPopIn 0.28s cubic-bezier(0.2, 0.9, 0.3, 1.15);
}
.geo-login-close {
    position: absolute; top: 14px; right: 16px;
    border: none; background: none; cursor: pointer;
    font-size: 26px; line-height: 1; color: var(--muted);
    padding: 4px; transition: color 0.2s, transform 0.2s;
}
.geo-login-close:hover { color: var(--ink); transform: rotate(90deg); }

.geo-login-head { text-align: center; margin-bottom: 24px; }
.geo-login-logo {
    width: 108px; height: 108px; object-fit: contain; margin: 0 auto 14px;
}
.geo-login-head h3 { font-size: 19px; color: var(--ink); margin: 0 0 6px; font-weight: 700; }
.geo-login-sub { font-size: 13px; color: var(--muted); margin: 0; }

.geo-login-form { display: flex; flex-direction: column; gap: 16px; }
.geo-login-field { display: flex; flex-direction: column; gap: 6px; }
.geo-login-field label { font-size: 13px; font-weight: 600; color: var(--ink); }
.geo-login-field input {
    padding: 12px 14px;
    border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm);
    font-size: 14px; color: var(--ink);
    outline: none; transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--bg-soft);
}
.geo-login-field input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-soft);
    background: #fff;
}
.geo-login-msg { min-height: 20px; font-size: 13px; text-align: center; color: var(--muted); margin: -4px 0; }
.geo-login-msg.error { color: #dc2626; }
.geo-login-msg.ok { color: var(--green); }

.geo-login-submit {
    padding: 13px; border: none; border-radius: var(--radius-sm);
    background: var(--blue); color: #fff;
    font-size: 15px; font-weight: 700; font-family: inherit;
    cursor: pointer; transition: all 0.2s;
    box-shadow: 0 4px 14px rgba(30, 111, 255, 0.25);
}
.geo-login-submit:hover { background: var(--blue-dark); transform: translateY(-1px); }
.geo-login-submit:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.geo-login-foot {
    margin-top: 20px; text-align: center;
    font-size: 13px; color: var(--muted);
}
.geo-login-foot a.geo-login-contact { color: var(--blue); font-weight: 600; }
.geo-login-foot a.geo-login-contact:hover { text-decoration: underline; }

@keyframes geoFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes geoPopIn {
    from { opacity: 0; transform: scale(0.94) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 44px; }
    .hero-stats { max-width: 100%; grid-template-columns: repeat(4, 1fr); }
    .pipeline { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
    .pipeline::before { display: none; }
    .grid-3 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .about-content, .contact-content { grid-template-columns: 1fr; gap: 40px; align-items: start; }
    .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    section { padding: 64px 0; }
    .hero { padding: 120px 0 52px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-stat:nth-child(2) { border-right: none; }
    .hero-stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }

    .nav-links {
        display: none; position: absolute; top: 100%; left: 0; width: 100%;
        background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        flex-direction: column; padding: 20px 24px; gap: 4px;
        border-bottom: 1px solid var(--line);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 0; font-size: 15px; }
    .nav-toggle { display: flex; }
    .nav-cta { display: none; }

    .entry-cards, .grid-2 { grid-template-columns: 1fr; }
    .pipeline { grid-template-columns: 1fr; }
    .metrics-strip { grid-template-columns: 1fr; }
    .metric-cell { border-right: none; border-bottom: 1px solid var(--line); padding: 22px 24px; }
    .metric-cell:last-child { border-bottom: none; }
    .platform-list { gap: 22px; }
    .contact-form { padding: 26px 22px; }
    .article-item { grid-template-columns: 1fr; gap: 12px; }
    .cta-panel { padding: 48px 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .geo-login-btn { margin-left: 8px; padding: 8px 14px; font-size: 13px; }
}

/* ===== v12：内页 Banner 右侧可视化面板 ===== */
.page-header .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    grid-template-areas: "a v" "b v" "c v" "d v";
    gap: 56px;
    align-items: center;
}
.page-header .container > .section-tag { grid-area: a; }
.page-header .container > h1 { grid-area: b; }
.page-header .container > p { grid-area: c; }
.page-header .container > .hero-buttons { grid-area: d; }

.page-header .hero-visual {
    position: relative; overflow: hidden;
    grid-area: v; align-self: center;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: linear-gradient(165deg, #fbfdff 0%, #f2f7ff 100%);
    box-shadow: 0 20px 48px -18px rgba(30, 111, 255, 0.18);
    padding: 16px 18px 18px;
}
.page-header .hero-visual::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--blue-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--blue-soft) 1px, transparent 1px);
    background-size: 26px 26px; opacity: .65;
    mask-image: radial-gradient(ellipse 90% 90% at 30% 0%, #000 20%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 90% 90% at 30% 0%, #000 20%, transparent 78%);
}
.page-header .hero-visual::after {
    content: ''; position: absolute; width: 280px; height: 280px; border-radius: 50%;
    background: radial-gradient(circle, rgba(30,111,255,.10), transparent 70%);
    top: -120px; right: -80px; pointer-events: none;
}
.hv-inner { position: relative; z-index: 1; }
.hv-head {
    display: flex; align-items: center; gap: 8px;
    padding-bottom: 12px; margin-bottom: 14px;
    border-bottom: 1px dashed var(--line);
}
.hv-dot { width: 7px; height: 7px; border-radius: 50%; background: #10b981; box-shadow: 0 0 0 4px rgba(16,185,129,.15); flex-shrink: 0; }
.hv-title { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.hv-status {
    margin-left: auto; font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em;
    color: var(--blue); background: var(--blue-soft);
    padding: 2px 9px; border-radius: 20px; border: 1px solid rgba(30,111,255,.18); white-space: nowrap;
}
.hv-status.green { color: #0d9d74; background: #e9faf4; border-color: rgba(16,185,129,.25); }

.hv-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.hv-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px; border-radius: 6px;
    background: #fff; border: 1px solid var(--line);
    font-size: 13px; font-weight: 600; color: var(--ink);
    box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.hv-chip svg { width: 13px; height: 13px; fill: none; stroke: #10b981; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.hv-chip.pass { border-color: rgba(16,185,129,.22); background: linear-gradient(180deg, #fff, #f6fcfa); }
.hv-chip.more { background: var(--bg-soft); color: var(--muted); font-weight: 500; border-style: dashed; }

.hv-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.hv-stat { border-radius: 9px; border: 1px solid var(--line); background: #fff; padding: 10px 12px; }
.hv-stat b { display: block; font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--blue); letter-spacing: -.02em; line-height: 1.25; }
.hv-stat.orange b { color: var(--orange); }
.hv-stat.green b { color: var(--green); }
.hv-stat span { font-size: 11.5px; color: var(--muted); line-height: 1.45; display: block; }

.hv-bars { margin-top: 14px; display: flex; flex-direction: column; gap: 9px; }
.hv-bar-row { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.hv-bar-row .name { width: 92px; flex-shrink: 0; color: var(--text); font-weight: 600; }
.hv-bar { flex: 1; height: 6px; border-radius: 4px; background: var(--bg-soft); overflow: hidden; }
.hv-bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--blue), #5b93ff); }
.hv-bar i.orange { background: linear-gradient(90deg, var(--orange), #ff9a6b); }
.hv-bar-row em { font-style: normal; font-family: var(--mono); font-size: 11.5px; color: var(--ink); width: 44px; text-align: right; }

.hv-split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.hv-split .hv-panel { border-radius: 10px; border: 1px solid var(--line); background: #fff; padding: 12px; }
.hv-split .hv-panel h5 { font-size: 12.5px; color: var(--ink); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; font-weight: 700; }
.hv-split .hv-panel h5 i { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); display: inline-block; }
.hv-split .hv-panel h5 i.orange { background: var(--orange); }

.hv-article { border-radius: 10px; border: 1px solid var(--line); background: #fff; padding: 14px 14px 12px; margin-bottom: 12px; }
.hv-article.dim { opacity: .62; }
.hv-cat {
    display: inline-block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em;
    color: var(--blue); background: var(--blue-soft); border: 1px solid rgba(30,111,255,.16);
    padding: 2px 8px; border-radius: 4px; margin-bottom: 9px;
}
.hv-article h5 { font-size: 14px; font-weight: 700; color: var(--ink); line-height: 1.55; margin-bottom: 7px; }
.hv-article p { font-size: 12.5px; color: var(--text); line-height: 1.7; }
.hv-meta { display: flex; gap: 14px; margin-top: 10px; font-family: var(--mono); font-size: 11px; color: var(--muted); }

.hv-shield { display: flex; align-items: center; gap: 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; padding: 16px; margin-top: 14px; }
.hv-shield .shield-ic {
    width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, var(--green-soft), #effaf5);
    color: var(--green); border: 1px solid rgba(16,185,129,.18);
}
.hv-shield .shield-ic svg { width: 24px; height: 24px; stroke-width: 1.5; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; }
.hv-shield b { font-size: 14.5px; color: var(--ink); display: block; margin-bottom: 4px; }
.hv-shield span { font-size: 12px; color: var(--muted); line-height: 1.6; display: block; }
.hv-list { list-style: none; margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.hv-list li { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text); }
.hv-list li::before {
    content: ''; width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0;
    background: var(--green); box-shadow: 0 0 0 3px rgba(16,185,129,.14);
}

@media (max-width: 1024px) {
    .page-header .container { grid-template-columns: minmax(0, 1fr); grid-template-areas: "a" "b" "c" "d" "v"; gap: 32px; }
    .page-header .hero-visual { grid-area: v; align-self: auto; max-width: 560px; }
}

/* ===== v12：深色区块内图标容器（暗底同色系玻璃质感） ===== */
.dark-section .icon-wrap {
    background: rgba(30, 111, 255, 0.14);
    border-color: rgba(30, 111, 255, 0.30);
    color: #7ea8ff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 0 18px rgba(30,111,255,0.15);
}
.dark-section .icon-wrap.orange {
    background: rgba(255,107,53,.12);
    border-color: rgba(255,107,53,.30);
    color: #ff9a6b;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 0 18px rgba(255,107,53,.13);
}
.dark-section .icon-wrap.purple {
    background: rgba(139,92,246,.12);
    border-color: rgba(139,92,246,.30);
    color: #b49bff;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 0 18px rgba(139,92,246,.13);
}
.dark-section .icon-wrap:hover { transform: translateY(-2px); }

/* ===== v14：免费诊断弹窗 ===== */
.diag-mask {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    background: rgba(9, 15, 28, 0.55);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.diag-mask[hidden] { display: none; }
.diag-modal {
    position: relative; width: 100%; max-width: 448px;
    max-height: calc(100vh - 40px); overflow-y: auto;
    border-radius: 16px;
    background: #fff;
    border: 1px solid rgba(30, 111, 255, 0.12);
    box-shadow: 0 28px 72px -16px rgba(9, 15, 28, 0.45);
    padding: 32px 32px 26px;
    animation: diagIn .28s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes diagIn {
    from { opacity: 0; transform: translateY(14px) scale(.97); }
    to { opacity: 1; transform: none; }
}
.diag-close {
    position: absolute; top: 14px; right: 14px;
    width: 30px; height: 30px; border-radius: 8px;
    border: 1px solid var(--line); background: #fff;
    color: var(--muted); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: border-color .2s, color .2s;
}
.diag-close:hover { border-color: var(--line-strong); color: var(--ink); }
.diag-close svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.diag-head { margin-bottom: 22px; }
.diag-head .section-tag { margin-bottom: 12px; }
.diag-head h3 { font-size: 21px; font-weight: 700; color: var(--ink); letter-spacing: -.01em; margin-bottom: 6px; }
.diag-head p { font-size: 13.5px; color: var(--text); line-height: 1.7; }
.diag-modal .form-group input, .diag-modal .form-group textarea { background: #fbfdff; }
.diag-modal .form-group textarea { min-height: 72px; }
.diag-note { margin-top: 12px; font-size: 11.5px; color: var(--muted); text-align: center; line-height: 1.6; }

/* ===== v15：新版首页（对比版）五段式 ===== */
/* Hero 右侧能力面板（独立于内页 hero-visual 作用域） */
.hero-viz-panel {
    position: relative; overflow: hidden;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: linear-gradient(165deg, #fbfdff 0%, #f2f7ff 100%);
    box-shadow: 0 20px 48px -18px rgba(30, 111, 255, 0.18);
    padding: 18px 20px 20px;
}
.hero-viz-panel::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--blue-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--blue-soft) 1px, transparent 1px);
    background-size: 26px 26px; opacity: .65;
    mask-image: radial-gradient(ellipse 90% 90% at 30% 0%, #000 20%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 90% 90% at 30% 0%, #000 20%, transparent 78%);
}
.hero-viz-panel::after {
    content: ''; position: absolute; width: 280px; height: 280px; border-radius: 50%;
    background: radial-gradient(circle, rgba(30,111,255,.10), transparent 70%);
    top: -120px; right: -80px; pointer-events: none;
}
.hero-viz-panel .hv-inner { position: relative; z-index: 1; }
.hero-viz-panel .hv-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.hero-viz-panel .hv-cap {
    border-radius: 9px; border: 1px solid var(--line); background: #fff;
    padding: 12px 13px; display: flex; align-items: center; gap: 10px;
}
.hero-viz-panel .hv-cap .cap-ic {
    width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, var(--blue-soft), #eef4ff);
    color: var(--blue); border: 1px solid rgba(30,111,255,.12);
}
.hero-viz-panel .hv-cap.orange .cap-ic { background: linear-gradient(145deg, var(--orange-soft), #fff6ef); color: var(--orange); border-color: rgba(255,107,53,.14); }
.hero-viz-panel .hv-cap .cap-ic svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.hero-viz-panel .hv-cap b { display: block; font-size: 13px; color: var(--ink); font-weight: 700; }
.hero-viz-panel .hv-cap span { font-size: 11px; color: var(--muted); }

/* 五段式 section 头部编号 */
.section-index {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
    color: var(--blue); margin-bottom: 16px;
}
.section-index::after { content: ''; width: 34px; height: 1px; background: var(--blue); opacity: .35; }
.section-index em { font-style: normal; color: var(--muted); }

/* S2 为什么：原因卡 */
.why-card {
    border-radius: var(--radius); border: 1px solid var(--line);
    background: #fff; padding: 28px 26px;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}
.why-card:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.why-card .icon-wrap { margin-bottom: 16px; }
.why-card h4 { font-size: 16.5px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--text); line-height: 1.8; }

/* S3 不做后果：警示卡 */
.warn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.warn-card {
    position: relative; overflow: hidden;
    border-radius: var(--radius); border: 1px solid rgba(239, 68, 68, 0.16);
    background: linear-gradient(180deg, #fff 0%, #fff8f7 100%);
    padding: 26px 22px;
    transition: transform .25s, box-shadow .25s;
}
.warn-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -14px rgba(239,68,68,.28); }
.warn-card .warn-num {
    position: absolute; top: 14px; right: 18px;
    font-family: var(--mono); font-size: 26px; font-weight: 800;
    color: rgba(239, 68, 68, 0.10); letter-spacing: -.02em;
}
.warn-card .warn-ic {
    width: 42px; height: 42px; border-radius: 11px; margin-bottom: 16px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, #fee, #fff0ef);
    color: #ef4444; border: 1px solid rgba(239,68,68,.16);
}
.warn-card .warn-ic svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.warn-card h4 { font-size: 15.5px; font-weight: 700; color: #b91c1c; margin-bottom: 9px; }
.warn-card p { font-size: 13px; color: var(--text); line-height: 1.75; }
.warn-cta {
    margin-top: 34px; text-align: center;
    font-size: 14.5px; color: var(--text);
}
.warn-cta strong { color: var(--orange); font-weight: 700; }

/* S4 怎么做：五步流程 */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: flow; }
.flow-step { position: relative; padding: 0 18px; }
.flow-step:not(:last-child)::after {
    content: ''; position: absolute; top: 22px; right: -2px;
    width: calc(100% - 40px); height: 1px;
    background: linear-gradient(90deg, var(--blue), transparent);
    opacity: .35;
}
.flow-step .flow-ic {
    width: 44px; height: 44px; border-radius: 12px; margin-bottom: 14px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, var(--blue-soft), #eef4ff);
    color: var(--blue); border: 1px solid rgba(30,111,255,.14);
    font-family: var(--mono); font-size: 15px; font-weight: 800;
}
.flow-step.orange .flow-ic { background: linear-gradient(145deg, var(--orange-soft), #fff6ef); color: var(--orange); border-color: rgba(255,107,53,.16); }
.flow-step.green .flow-ic { background: linear-gradient(145deg, var(--green-soft), #effaf5); color: var(--green); border-color: rgba(16,185,129,.16); }
.flow-step h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 7px; }
.flow-step p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* S5 效果：报告 + 案例双栏 */
.result-split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 28px; align-items: center; }
.result-cases { display: flex; flex-direction: column; gap: 12px; }
.result-case {
    display: flex; align-items: center; gap: 16px;
    border-radius: 11px; border: 1px solid var(--line); background: #fff;
    padding: 16px 18px;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}
.result-case:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.result-case .rc-big {
    font-family: var(--mono); font-size: 25px; font-weight: 800; letter-spacing: -.02em;
    color: var(--blue); min-width: 86px;
}
.result-case.orange .rc-big { color: var(--orange); }
.result-case.green .rc-big { color: var(--green); }
.result-case .rc-big small { font-size: 12px; font-weight: 600; color: var(--muted); display: block; letter-spacing: 0; margin-top: 2px; }
.result-case b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 4px; font-weight: 700; }
.result-case span { font-size: 12.5px; color: var(--text); line-height: 1.65; }

@media (max-width: 1024px) {
    .warn-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
    .flow-step:nth-child(5) { grid-column: 1 / -1; text-align: center; }
    .result-split { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
    .warn-grid { grid-template-columns: 1fr; }
    .flow-steps { grid-template-columns: 1fr; }
    .flow-step:nth-child(5) { grid-column: auto; text-align: left; }
}

/* ===== v16：浅色背景金句卡（修复白底白字）+ 标题质感 ===== */
.vision-quote.light {
    color: var(--ink);
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
    border: 1px solid var(--line);
    border-left: 3px solid var(--blue);
    border-radius: 12px;
    padding: 26px 34px;
    max-width: 860px;
    margin: 52px auto 0;
    box-shadow: 0 10px 30px -18px rgba(30, 111, 255, 0.25);
    text-align: center;
}
.vision-quote.light .highlight { color: var(--blue); font-weight: 700; }
@media (max-width: 640px) { .vision-quote.light { padding: 20px 18px; } }

/* ===== v17：金句框升级为深色科技卡 ===== */
.vision-quote.tech {
    position: relative;
    max-width: 900px;
    margin: 52px auto 0;
    border-radius: 14px;
    overflow: hidden;
    padding: 44px 56px;
    text-align: center;
    color: rgba(255, 255, 255, 0.92);
    background: linear-gradient(150deg, #0d2247 0%, #123368 55%, #0e2a58 100%);
    border: 1px solid rgba(94, 148, 255, 0.28);
    box-shadow: 0 24px 60px -24px rgba(13, 34, 71, 0.55);
}
.vision-quote.tech::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(110, 164, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(110, 164, 255, 0.08) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 30%, transparent 85%);
    -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 30%, transparent 85%);
}
.vision-quote.tech::after {
    content: ''; position: absolute; width: 360px; height: 360px; border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 111, 255, 0.35), transparent 70%);
    top: -170px; left: 50%; transform: translateX(-50%);
    pointer-events: none;
}
.vision-quote.tech .vt-label {
    position: relative; z-index: 1;
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
    color: #9cc0ff; margin-bottom: 22px;
}
.vision-quote.tech .vt-label::before,
.vision-quote.tech .vt-label::after {
    content: ''; width: 24px; height: 1px; background: #6ea4ff; opacity: .6;
}
.vision-quote.tech .vt-quote {
    position: relative; z-index: 1;
    font-size: clamp(17px, 2vw, 23px); line-height: 1.75; font-weight: 500;
    letter-spacing: 0.01em;
}
.vision-quote.tech .highlight { color: #6ea4ff; font-weight: 600; }
@media (max-width: 640px) { .vision-quote.tech { padding: 34px 24px; } }

/* ===== v18：金句卡改为精致浅色版（覆盖 v16 light）===== */
.vision-quote.light {
    position: relative;
    max-width: 900px;
    margin: 52px auto 0;
    border-radius: 14px;
    overflow: hidden;
    padding: 44px 56px;
    text-align: center;
    color: var(--ink);
    background: linear-gradient(160deg, #ffffff 0%, #f4f8ff 100%);
    border: 1px solid var(--line);
    box-shadow: 0 18px 44px -22px rgba(30, 111, 255, 0.22);
}
.vision-quote.light::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(var(--blue-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--blue-soft) 1px, transparent 1px);
    background-size: 30px 30px; opacity: .5;
    mask-image: radial-gradient(ellipse 85% 90% at 50% 0%, #000 25%, transparent 82%);
    -webkit-mask-image: radial-gradient(ellipse 85% 90% at 50% 0%, #000 25%, transparent 82%);
}
.vision-quote.light::after {
    content: ''; position: absolute; width: 320px; height: 320px; border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 111, 255, 0.08), transparent 70%);
    top: -150px; left: 50%; transform: translateX(-50%); pointer-events: none;
}
.vision-quote.light .vt-label {
    position: relative; z-index: 1;
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: 11px; letter-spacing: .16em;
    color: var(--blue); margin-bottom: 22px;
}
.vision-quote.light .vt-label::before,
.vision-quote.light .vt-label::after {
    content: ''; width: 24px; height: 1px; background: var(--blue); opacity: .35;
}
.vision-quote.light .vt-quote { position: relative; z-index: 1; }
.vision-quote.light .highlight { color: var(--blue); font-weight: 700; }
@media (max-width: 640px) { .vision-quote.light { padding: 34px 24px; } }

/* ===== v19：警示段底部提示语升级为橙色胶囊条 ===== */
.warn-cta {
    margin-top: 38px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: fit-content; margin-left: auto; margin-right: auto;
    font-size: 15px; color: #7c2d12;
    background: linear-gradient(180deg, #fff7f2 0%, #fff1e8 100%);
    border: 1px solid rgba(255, 107, 53, 0.25);
    border-radius: var(--radius);
    padding: 12px 28px;
    box-shadow: 0 8px 24px -14px rgba(255, 107, 53, 0.35);
}
.warn-cta strong { color: var(--orange); font-weight: 800; }
@media (max-width: 640px) { .warn-cta { padding: 11px 20px; font-size: 14px; text-align: center; } }

/* ===== v21：导航双按钮等宽 + 客户端工作台描边橙 ===== */
.nav-cta, .geo-login-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 120px; height: 32px; line-height: 1;
    box-sizing: border-box;
}
.geo-login-btn.logged {
    background: transparent; border-color: var(--orange); color: var(--orange);
}
.geo-login-btn {
    margin-left: calc(12px - 40px); /* 抵消 nav-inner 的 40px flex gap，两按钮实际间距 12px */
}
.geo-login-btn.logged:hover {
    background: var(--orange); border-color: var(--orange); color: #fff;
    box-shadow: 0 8px 20px -10px rgba(255, 107, 53, 0.5);
}

/* ===== v22：五步连线起点对齐图标右缘（原 40px 穿入数字框），移动端隐藏连线 ===== */
.flow-step:not(:last-child)::after {
    left: 62px; right: -2px; width: auto;
}
@media (max-width: 1024px) {
    .flow-step::after { display: none; }
}

/* ===== v23：案例库单案例行业折叠 ===== */
.kb-more-toggle {
    background: #fff !important;
    border: 1px dashed var(--line-strong) !important;
    color: var(--muted) !important;
}
.kb-more-toggle:hover { border-color: var(--blue) !important; color: var(--blue) !important; }
.kb-more-cats { display: inline-flex; flex-wrap: wrap; gap: 8px; }
.kb-more-cats[hidden] { display: none; }

/* ============ 相关阅读（文章页） ============ */
.related-head { margin: 36px 0 16px; font-size: 18px; font-weight: 600; color: var(--ink); }
.related-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.related-item { display: block; padding: 14px 16px; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.related-item:hover { border-color: #4f46e5; box-shadow: 0 2px 10px rgba(79,70,229,.08); }
.related-tag { display: inline-block; font-size: 11px; color: #4f46e5; background: #eef2ff; padding: 2px 10px; border-radius: 20px; margin-bottom: 6px; }
.related-title { display: block; font-size: 14px; color: #1e293b; line-height: 1.55; }