/* ========================================
   金友软件企业官网 — 样式表
   参照用友BIP官网设计风格优化
   ======================================== */

/* --- CSS Variables --- */
/* 参照通友时代(tysd.net.cn)排版风格优化 */
:root {
    /* Primary — 企业蓝（取自logo文字色 #20559d） */
    --color-primary: #20559d;
    --color-primary-dark: #174780;
    --color-primary-light: #4a7fc0;
    --color-primary-bg: rgba(32, 85, 157, 0.06);

    /* Accent — 用友红（取自 yonyou 官网品牌色 #E60012） */
    --color-accent: #E60012;
    --color-accent-dark: #c4000f;
    --color-accent-light: #ff5a5a;
    --color-accent-bg: rgba(230, 0, 18, 0.08);

    /* Deep blue */
    --color-deep: #0a1e3d;
    --color-deep-light: #112952;
    --color-navy: #1a3c6d;

    /* AI / Tech — 统一为企业蓝 */
    --color-ai-start: var(--color-primary);
    --color-ai-end: var(--color-primary-light);
    --color-ai-bg: var(--color-primary-bg);
    --color-ai-border: rgba(32, 85, 157, 0.15);

    /* Neutrals */
    --color-white: #ffffff;
    --color-bg: #f8fafc;
    --color-bg-alt: #f1f5f9;
    --color-bg-gray: #f5f6f7;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-text-dark: #333333;

    /* Accents */
    --color-success: #10b981;
    --color-warning: #60a5fa;
    --color-error: #3b82f6;
    --color-orange: #E60012;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 0 14px rgba(0, 0, 0, 0.14);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);

    /* Layout — 80vw 宽容器 (参照 tysd) */
    --max-width: 80vw;
    --header-height: 120px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Tech grid SVG data URIs (replaces blob refs) */
    --tech-grid-dark: url("data:image/svg+xml;base64,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");
    --tech-grid-light: url("data:image/svg+xml;base64,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");
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--color-text-dark);
    background: var(--color-white);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    width: var(--max-width);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 2px 8px rgba(229, 0, 18, 0.3);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(229, 0, 18, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 16px;
}

/* --- Section --- */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-tag-ai {
    background: var(--color-accent-bg);
    color: var(--color-accent);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-desc {
    font-size: 17px;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto;
    white-space: pre-wrap;
}

/* Section with full-width background (参照 tysd 10vh 间距) */
.section-bg {
    position: relative;
    padding: 10vh 0;
    overflow: hidden;
}

.section-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.section-bg-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

.section-bg-light {
    background: var(--color-bg);
}

.section-bg-gray {
    background: var(--color-bg-gray);
}

.section-bg-white {
    background: var(--color-white);
}

.section-bg .container {
    position: relative;
    z-index: 2;
}

/* 白色板块 (无背景图) 间距 */
.section-pad {
    padding: 10vh 0;
}

.section-subheader {
    text-align: center;
    margin-bottom: 40px;
}

.section-subheader h3 {
    font-size: 28px;
    color: var(--color-deep);
    margin-bottom: 8px;
}

.section-subheader p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* --- Text Gradient --- */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-ai-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(248, 249, 251, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(200, 206, 215, 0.5);
    transition: all var(--transition);
}

.header.scrolled {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    background: rgba(245, 247, 250, 0.98);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    text-decoration: none;
    position: relative;
}

.logo-icon {
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 2px 8px rgba(21, 101, 192, 0.15));
    transition: filter 0.3s ease, transform 0.3s ease;
}

.logo:hover .logo-icon {
    filter: drop-shadow(0 4px 16px rgba(21, 101, 192, 0.25));
    transform: translateY(-1px);
}

.logo-icon img {
    display: block;
    height: 64px;
    width: auto;
    max-width: none;
    object-fit: contain;
}

.logo-icon svg {
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.logo-title {
    font-size: 40px;
    font-weight: 800;
    color: #003d8f;
    line-height: 1.05;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.logo-subtitle {
    font-size: 14px;
    color: #1e5bb5;
    line-height: 1.2;
    letter-spacing: 0.04em;
    white-space: nowrap;
    font-weight: 600;
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
    background: rgba(0, 0, 0, 0.04);
}

.nav-link .arrow {
    font-size: 10px;
    transition: transform var(--transition);
}

.has-dropdown:hover .arrow {
    transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 20px 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
    min-width: 480px;
    border: 1px solid var(--color-border);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.dropdown-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border-light);
}

.dropdown-col a {
    display: block;
    padding: 6px 0;
    font-size: 14px;
    color: var(--color-text);
    transition: color var(--transition);
}

.dropdown-col a:hover {
    color: var(--color-accent);
}

/* Solutions mega dropdown — 左右分栏：左侧行业解决方案两列，右侧热点解决方案 */
.dropdown-solutions {
    min-width: 680px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    padding: 24px 0;
}

.has-dropdown:hover .dropdown-solutions {
    transform: translateX(-50%) translateY(4px);
}

.dropdown-solutions .dropdown-grid {
    grid-template-columns: 1.7fr 1fr;
    gap: 0;
}

.dropdown-solutions .dropdown-col-wide {
    padding: 0 28px;
    border-right: 1px solid var(--color-border-light);
}

.dropdown-solutions .dropdown-col-wide .dropdown-links-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 24px;
}

.dropdown-solutions .dropdown-col-wide .dropdown-links-col a {
    font-size: 14px;
    padding: 5px 0;
}

.dropdown-solutions .dropdown-col:not(.dropdown-col-wide) {
    padding: 0 28px;
}

.dropdown-solutions .dropdown-col h4:empty {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

@media (max-width: 768px) {
    .dropdown-solutions {
        min-width: 100%;
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0 16px;
        opacity: 1;
        visibility: visible;
        display: none;
    }
    .has-dropdown.active .dropdown-solutions {
        display: block;
    }
    .dropdown-solutions .dropdown-grid {
        grid-template-columns: 1fr;
    }
    .dropdown-solutions .dropdown-col-wide {
        border-right: none;
        border-bottom: 1px solid var(--color-border-light);
        padding: 12px 0;
    }
    .dropdown-solutions .dropdown-col:not(.dropdown-col-wide) {
        padding: 12px 0;
    }
    .dropdown-solutions .dropdown-col-wide .dropdown-links-row {
        grid-template-columns: 1fr 1fr;
        gap: 4px 16px;
    }
}

/* 产品 mega 下拉：4 列宽菜单 */
.dropdown-products {
    min-width: 800px;
}
.dropdown-products .dropdown-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 单列下拉（如服务支持）：窄菜单 */
.dropdown-narrow {
    min-width: 240px;
}
.dropdown-narrow .dropdown-grid {
    grid-template-columns: 1fr;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-phone {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-primary-bg);
    border: 1px solid rgba(32, 85, 157, 0.18);
    border-radius: 999px;
    text-decoration: none;
}

.header-phone::before {
    content: "📞";
    font-size: 16px;
    line-height: 1;
}

.header-phone:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

@media (max-width: 768px) {
    .header-phone {
        font-size: 15px;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .header-phone {
        display: none;
    }
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #374151;
    border-radius: 2px;
    transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION — 参照用友BIP首页排版
   ======================================== */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-v2 {
    min-height: 720px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 184px 0 0;
}

.hero-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-banner-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(55% 60% at 22% 18%, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0) 65%),
        radial-gradient(50% 55% at 82% 85%, rgba(100, 181, 246, 0.16) 0%, rgba(100, 181, 246, 0) 65%),
        linear-gradient(180deg, #114e87 0%, #1a63ad 55%, #114e87 100%);
    background-size: 200% 200%, 200% 200%, 100% 100%;
    animation: heroFlow 16s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes heroFlow {
    0%   { background-position: 0% 0%, 100% 100%, 0 0; }
    100% { background-position: 100% 100%, 0% 0%, 0 0; }
}

/* 科技感网格线条背景：首页深蓝底用浅色网格，其它页面浅底用深色网格 */
.hero-banner-bg::after,
.module-detail-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-size: 80px 80px;
    pointer-events: none;
}
.hero-banner-bg::after {
    z-index: 2;
    opacity: 0.45;
    background-image: var(--tech-grid-light);
}
.module-detail-bg::after {
    z-index: 1;
    opacity: 0.45;
    background-image: var(--tech-grid-light);
}

/* 粒子光点 / 发光线条 canvas（首页深蓝底：浅色粒子） */
.hero-tech-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    opacity: 0.55;
}

@media (max-width: 768px) {
    .hero-banner-bg::after,
    .module-detail-bg::after {
        background-size: 60px 60px;
    }
    .hero-tech-canvas {
        opacity: 0.6;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-banner-overlay,
    .module-detail-bg {
        animation: none;
    }
}

.hero-v2 .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content-v2 {
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 40px;
}

.hero-top-tags {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
}

.hero-top-tags span {
    padding: 6px 20px;
    background: rgba(201, 162, 39, 0.12);
    border: 1px solid rgba(201, 162, 39, 0.45);
    border-radius: 100px;
    font-size: 14px;
    color: #f0d78c;
    backdrop-filter: blur(6px);
    font-weight: 500;
    letter-spacing: 0.04em;
}

.hero-title-v2 {
    font-size: 68px;
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 20px;
    letter-spacing: -1px;
    color: #ffffff;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.hero-title-v2 span {
    background: linear-gradient(135deg, #f0d78c 0%, #c9a227 50%, #e8c547 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle-v2 {
    font-size: 20px;
    color: rgba(240, 215, 140, 0.9);
    margin-bottom: 24px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.hero-keywords {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-bottom: 36px;
}

.hero-keywords a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.78);
    transition: color var(--transition);
}

.hero-keywords a:hover {
    color: #f0d78c;
}

.keyword-divider {
    color: rgba(201, 162, 39, 0.65);
    font-weight: 300;
}

.hero-actions-v2 {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.hero-v2 .btn-outline {
    background: rgba(201, 162, 39, 0.1);
    color: #f0d78c;
    border-color: rgba(201, 162, 39, 0.65);
}

.hero-v2 .btn-outline:hover {
    background: rgba(201, 162, 39, 0.22);
    border-color: rgba(201, 162, 39, 0.9);
    color: #f9e5a8;
}

/* Hero Feature Bar */
.hero-feature-bar {
    position: relative;
    z-index: 3;
    margin-top: auto;
    padding: 40px 0 0;
}

.hero-feature-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.hero-feature-item {
    background: linear-gradient(135deg, #e8f2ff 0%, #c8e0ff 100%);
    border-radius: var(--radius-md);
    padding: 22px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 8px 24px rgba(21, 101, 192, 0.14);
    border: 1px solid rgba(66, 165, 245, 0.35);
    cursor: pointer;
    transition: all var(--transition);
}

.hero-feature-item:hover,
.hero-feature-item.active {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(21, 101, 192, 0.24);
    border-color: rgba(66, 165, 245, 0.65);
}

.hero-feature-item.active {
    background: linear-gradient(135deg, #d2e7ff 0%, #a8d0ff 100%);
}

.hero-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(21, 101, 192, 0.25);
}

.hero-feature-icon svg {
    width: 22px;
    height: 22px;
}

.hero-feature-item span:last-child {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-deep);
}

/* ========================================
   MODULE DETAIL — 点击展开
   ======================================== */
.module-detail {
    position: relative;
    padding: 10vh 0;
    display: none;
    overflow: hidden;
}

.module-detail.active {
    display: block;
}

.module-detail-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(55% 60% at 20% 15%, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0) 65%),
        radial-gradient(50% 55% at 82% 85%, rgba(100, 181, 246, 0.18) 0%, rgba(100, 181, 246, 0) 65%),
        linear-gradient(180deg, #114e87 0%, #1a63ad 55%, #114e87 100%);
    background-size: 200% 200%, 200% 200%, 100% 100%;
    animation: heroFlow 16s ease-in-out infinite alternate;
    z-index: 0;
}

@keyframes mdFlow {
    0%   { background-position: 0% 0%, 100% 100%, 0 0; }
    100% { background-position: 100% 100%, 0% 0%, 0 0; }
}

.module-detail .container {
    position: relative;
    z-index: 1;
}

.module-detail-content {
    text-align: center;
    color: var(--color-deep);
}

.module-detail-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.module-detail-content > p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.module-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.md-card {
    background: #ffffff;
    border: 1px solid rgba(21, 101, 192, 0.12);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: left;
    transition: all var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.md-card:hover {
    background: #ffffff;
    border-color: rgba(21, 101, 192, 0.28);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.32);
    transform: translateY(-4px);
}

.md-card-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.md-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.md-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   SIDE CONSULT WIDGET
   ======================================== */
.side-consult {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: row-reverse;
    align-items: flex-start;
}

.side-consult-toggle {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 2px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 14px 10px;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: background var(--transition);
}

.side-consult-toggle:hover {
    background: var(--color-accent-dark);
}

.side-consult-toggle svg {
    width: 18px;
    height: 18px;
}

.side-consult-menu {
    background: var(--color-white);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    width: 0;
    opacity: 0;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.side-consult.open .side-consult-menu {
    width: 140px;
    opacity: 1;
}

.side-consult-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
    white-space: nowrap;
    transition: all var(--transition);
}

.side-consult-item:last-child {
    border-bottom: none;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-weight: 600;
}

.side-consult-item:hover {
    background: var(--color-bg);
}

.side-consult-item span {
    font-size: 16px;
}

/* ========================================
   PAIN POINTS SECTION — 参照通友时代
   ======================================== */
.painpoints {
    padding: 10vh 0;
    background: var(--color-bg);
}

.painpoints-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.painpoint-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
}

.painpoint-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border);
}

.painpoint-icon {
    margin-bottom: 16px;
}

.painpoint-icon svg {
    display: block;
}

.painpoint-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 10px;
}

.painpoint-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.painpoints-cta {
    text-align: center;
    padding: 36px;
    background: rgba(229, 0, 18, 0.04);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(229, 0, 18, 0.1);
}

.painpoints-cta p {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

/* ========================================
   PRODUCTS SECTION — Tab切换 参照通友时代
   ======================================== */
.products {
    padding: 10vh 0;
    background: var(--color-bg);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/section-solutions-bg.png') center/cover no-repeat;
    opacity: 0.35;
    z-index: 0;
}

.products > .container {
    position: relative;
    z-index: 1;
}

/* Product Tabs */
.product-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.product-tab {
    padding: 10px 28px;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    background: var(--color-white);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.product-tab:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.product-tab.active {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: transparent;
}

/* Product Panels */
.product-panel {
    display: none;
}

.product-panel.active {
    display: block;
}

.product-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-detail-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.pdc-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #E60012;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
    line-height: 1.4;
}

.product-detail-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.pdc-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 14px;
    background: linear-gradient(135deg, rgba(32, 85, 157, 0.1), rgba(99, 102, 241, 0.1));
    color: var(--color-primary);
    align-self: flex-start;
}

.pdc-tag-blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.pdc-tag-purple { background: rgba(139, 92, 246, 0.1); color: #7c3aed; }
.pdc-tag-cyan { background: rgba(6, 182, 212, 0.1); color: #0891b2; }
.pdc-tag-green { background: rgba(16, 185, 129, 0.1); color: #059669; }
.pdc-tag-orange { background: rgba(230, 0, 18, 0.1); color: var(--color-orange); }

.product-detail-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 10px;
}

.product-detail-card > p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.pdc-features {
    margin-bottom: 20px;
}

.pdc-features li {
    padding: 5px 0;
    font-size: 13px;
    color: var(--color-text-secondary);
    padding-left: 18px;
    position: relative;
}

.pdc-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-size: 11px;
    color: var(--color-success);
    font-weight: 700;
}

.pdc-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}

.pdc-link:hover {
    gap: 8px;
}

/* iuap Section */
.iuap-section {
    padding-top: 20px;
}

.iuap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.iuap-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    text-align: center;
}

.iuap-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.iuap-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
}

.iuap-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 8px;
}

.iuap-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.iuap-highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.06));
    border: 1px solid var(--color-ai-border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    text-align: center;
}

.highlight-badge {
    display: inline-block;
    padding: 6px 18px;
    background: linear-gradient(135deg, var(--color-ai-start), var(--color-ai-end));
    color: white;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.iuap-highlight p {
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.iuap-highlight strong {
    color: var(--color-ai-start);
    font-size: 18px;
}

/* iuap 五层融合服务架构 */
.iuap-arch {
    margin-bottom: 32px;
}

.iuap-arch-head {
    text-align: center;
    margin-bottom: 22px;
}

.iuap-arch-head .section-tag-ai {
    display: inline-block;
    margin-bottom: 10px;
}

.iuap-arch-head h4 {
    font-size: 21px;
    font-weight: 800;
    color: var(--color-deep);
    letter-spacing: .5px;
}

.iuap-layer {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-ai-start);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    margin-bottom: 12px;
    transition: all var(--transition);
}

.iuap-layer:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-ai-end);
}

.iuap-layer-icon {
    flex: 0 0 auto;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.10), rgba(139, 92, 246, 0.08));
}

.iuap-layer-body {
    flex: 1 1 auto;
}

.iuap-layer-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 4px;
}

.iuap-layer-body p {
    font-size: 13.5px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   AI AGENTS SECTION
   ======================================== */
.agents {
    padding: 10vh 0;
    background: var(--color-bg);
}

/* Agent Tabs */
.agent-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
}

.agent-tab {
    padding: 8px 20px;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    background: var(--color-white);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.agent-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.agent-tab.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-ai-start));
    color: var(--color-white);
    border-color: transparent;
}

/* Agent Grid */
.agent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.agent-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition);
}

.agent-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-ai-end);
}

.agent-card.hidden {
    display: none;
}

.agent-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.agent-domain {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-ai-start);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-ai-bg);
    padding: 3px 10px;
    border-radius: 100px;
}

.agent-icon {
    font-size: 24px;
}

.agent-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 8px;
}

.agent-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.agent-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}

.agent-link:hover {
    gap: 8px;
}

.agent-more {
    text-align: center;
    margin-top: 40px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.04), rgba(139, 92, 246, 0.04));
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-ai-border);
}

.agent-more p {
    color: var(--color-text-muted);
    font-size: 15px;
    margin-bottom: 16px;
}

/* ========================================
   SCENARIOS SECTION — 参照通友时代
   ======================================== */
.scenarios {
    padding: 10vh 0;
    background: var(--color-white);
}

.scenario-group {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.scenario-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.scenario-reverse {
    direction: rtl;
}

.scenario-reverse .scenario-content {
    direction: ltr;
}

.scenario-image {
    display: flex;
    justify-content: center;
}

.scenario-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
    aspect-ratio: 16/10;
}

.scenario-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 14px;
}

.scenario-content > p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.scenario-tags li {
    padding: 6px 14px;
    background: var(--color-bg);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-light);
}

.scenario-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}

.scenario-link:hover {
    gap: 8px;
}

/* ========================================
   HONORS SECTION — 参照通友时代
   ======================================== */
.honors {
    padding: 10vh 0;
    background: var(--color-bg);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.honor-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 24px 18px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.honor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.honor-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary-bg), rgba(99, 102, 241, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
}

.honor-icon {
    font-size: 30px;
}

.honor-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 6px;
    line-height: 1.4;
}

.honor-card p {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 14px;
}

.honor-card-img {
    width: 100%;
    max-width: 220px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 34, 92, 0.06);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.honor-card:hover .honor-card-img {
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(32, 85, 157, 0.18);
}

/* ========================================
   SOLUTIONS SECTION — 增强推荐产品
   ======================================== */
.solutions {
    padding: 10vh 0;
}

/* 热点解决方案 */
.solution-hotspots {
    margin-bottom: 40px;
}

.hotspots-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hotspots-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--color-accent);
    border-radius: 2px;
}

.hotspots-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.hotspot-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    transition: all var(--transition);
}

.hotspot-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.hotspot-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.hotspot-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 8px;
    line-height: 1.4;
}

.hotspot-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (max-width: 1200px) {
    .hotspots-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hotspots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hotspots-grid {
        grid-template-columns: 1fr;
    }
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.solution-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.solution-card-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg);
}

.solution-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.solution-card-top {
    padding: 32px 32px 20px;
    flex: 1;
}

.solution-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.solution-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 10px;
}

.solution-card-top > p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.solution-list {
    margin-bottom: 16px;
}

.solution-list li {
    padding: 5px 0;
    font-size: 13px;
    color: var(--color-text-secondary);
    padding-left: 18px;
    position: relative;
}

.solution-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-size: 12px;
    color: var(--color-success);
    font-weight: 700;
}

.solution-recommend {
    padding: 16px 32px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.rec-label {
    font-size: 12px;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-right: 4px;
}

.rec-tags {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.solution-subs {
    padding: 14px 32px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    border-top: 1px dashed var(--color-border-light);
}

.solution-subs-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-right: 4px;
}

.solution-sub {
    display: inline-block;
    padding: 4px 11px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    border-radius: 100px;
    font-size: 12px;
    line-height: 1.4;
    transition: all var(--transition);
}

.solution-card:hover .solution-sub {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* 方案全景图（参考用友“方案全景”模块） */
.solution-banner {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 52px;
    align-items: center;
    background: linear-gradient(135deg, #eef3f9 0%, #e1ebf6 100%);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 44px 48px;
    margin-bottom: 40px;
}

.solution-banner__tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.solution-banner__title {
    font-size: 23px;
    font-weight: 700;
    color: var(--color-deep);
    line-height: 1.4;
    margin-bottom: 12px;
}

.solution-banner__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 22px;
}

.solution-banner__points {
    display: flex;
    gap: 28px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-banner__points li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.solution-banner__points strong {
    font-size: 26px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.solution-banner__points span {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.35;
}

.solution-banner__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-panorama {
    width: 100%;
    max-width: 680px;
    height: auto;
}

.pano-label {
    font-size: 14px;
    font-weight: 700;
    fill: var(--color-primary);
    letter-spacing: 1px;
}

.pano-spine {
    stroke: #9bb8d8;
    stroke-width: 1.5;
    stroke-dasharray: 4 4;
}

.pano-node {
    fill: var(--color-primary);
}

/* 色系收敛到 2~3 个蓝色（参考图中灰蓝调） */
.pano-band--app rect,
.pano-band--plat rect { fill: #5b8fc7; }
.pano-band--base rect { fill: #174780; }

.pano-band--base-light rect {
    fill: #a8c4e0;
    stroke: #7eaed6;
    stroke-width: 1;
}

.pano-band--base-light text {
    fill: #174780;
}

.pano-band--base-light .pano-base-sub {
    fill: #2563eb;
    opacity: 0.85;
}

.pano-band text {
    fill: #fff;
    font-size: 14px;
    font-weight: 600;
    text-anchor: middle;
    dominant-baseline: middle;
}

.pano-base-title {
    font-size: 21px !important;
    font-weight: 700 !important;
}

.pano-base-sub {
    font-size: 14px !important;
    font-weight: 400 !important;
    opacity: 0.85;
}

.pano-scenes rect {
    fill: #ffffff;
    stroke: #2563eb;
    stroke-width: 1;
}

.pano-scenes text {
    fill: #174780;
    font-size: 13px;
    font-weight: 600;
    text-anchor: middle;
    dominant-baseline: middle;
}

.pano-foot {
    fill: var(--color-text-muted);
    font-size: 14px;
    text-anchor: middle;
}

.pano-arrow {
    stroke: #2563eb;
    stroke-width: 1.5;
    marker-end: url(#arrowDown);
}

.pano-arrow-dashed {
    stroke: #2563eb;
    stroke-width: 1.5;
    stroke-dasharray: 4 3;
    opacity: 0.55;
}

/* 能力支柱（参考用友行业方案能力模块） */
.solution-pillars {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.pillar-item {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 22px 16px;
    text-align: center;
    transition: all var(--transition);
}

.pillar-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.pillar-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.pillar-item h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 8px;
}

.pillar-item p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.pillar-subs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--color-border);
}

.pillar-sub {
    font-size: 11px;
    line-height: 1.4;
    padding: 3px 9px;
    border-radius: 100px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    white-space: nowrap;
}

.solution-link {
    margin-left: auto;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
}

.solution-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.solution-more {
    text-align: center;
    margin-top: 40px;
}

/* ========================================
   CASES SECTION
   ======================================== */
.cases {
    padding: 10vh 0;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 180px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 16px;
    position: relative;
    overflow: hidden;
}

.case-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255,255,255,0.08) 0%, transparent 50%);
    pointer-events: none;
}

.case-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 24px;
    transform: translateY(-50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    pointer-events: none;
}

.case-industry {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.case-content {
    padding: 24px;
}

.case-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 8px;
}

.case-title-link {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

.case-title-link:hover {
    color: var(--color-primary);
}

.case-card:hover .case-title-link {
    color: var(--color-primary);
}

.case-content > p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.case-metrics {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.case-metric {
    padding: 8px 14px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.case-metric strong {
    color: var(--color-primary);
    font-size: 16px;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    padding: 10vh 0;
    background: var(--color-bg);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.service-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary-bg), rgba(99, 102, 241, 0.06));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.service-icon {
    font-size: 28px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 10px;
}

.service-card > p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-list {
    text-align: left;
}

.service-list li {
    padding: 4px 0;
    font-size: 13px;
    color: var(--color-text-muted);
    padding-left: 16px;
    position: relative;
}

.service-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats {
    padding: 10vh 0;
    position: relative;
    background: linear-gradient(135deg, var(--color-deep), var(--color-deep-light));
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/section-about-bg.png') center/cover no-repeat;
    opacity: 0.25;
    z-index: 0;
}

.stats > .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   NEWS SECTION — 参照通友时代卡片风格
   ======================================== */
.news {
    padding: 10vh 0;
    background: var(--color-bg);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.news-thumb {
    height: 140px;
    background-size: cover;
    background-position: center;
}

.news-body {
    padding: 20px;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.news-body .news-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
}

.news-date {
    font-size: 12px;
    color: var(--color-text-muted);
}

.news-body h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-body h3 a {
    color: var(--color-deep);
    transition: color var(--transition);
}

.news-body h3 a:hover {
    color: var(--color-primary);
}

.news-body > p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* 新闻卡片可点击 + 阅读引导 */
.news-card {
    cursor: pointer;
}

.news-card:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.news-readmore {
    display: inline-block;
    margin-top: 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition), transform var(--transition);
}

.news-card:hover .news-readmore {
    color: var(--color-primary-dark);
    transform: translateX(3px);
}

/* 新闻详情弹窗 */
.news-detail-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
    z-index: 100;
}

.news-detail-modal.active {
    opacity: 1;
    visibility: visible;
}

.news-detail-modal__box {
    position: relative;
    width: 720px;
    max-width: 100%;
    max-height: 88vh;
    overflow: auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .32);
    transform: translateY(18px);
    transition: transform .25s ease;
}

.news-detail-modal.active .news-detail-modal__box {
    transform: translateY(0);
}

.news-detail-modal__close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, .88);
    color: #333;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: background .2s ease;
}

.news-detail-modal__close:hover {
    background: #fff;
}

.news-detail-modal__cover {
    height: 220px;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.news-detail-modal__body {
    padding: 28px 32px 36px;
}

.news-detail-modal__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.news-detail-modal__meta .news-tag {
    padding: 3px 10px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.news-detail-modal__meta .news-date {
    font-size: 13px;
    color: var(--color-text-muted);
}

.news-detail-modal__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-deep);
    line-height: 1.4;
    margin-bottom: 18px;
}

.news-detail-modal__content {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.news-detail-modal__content p {
    margin: 0 0 14px;
}

.news-detail-modal__content p:last-child {
    margin-bottom: 0;
}

@media (max-width: 600px) {
    .news-detail-modal {
        padding: 0;
    }

    .news-detail-modal__box {
        max-height: 100vh;
        height: 100vh;
        border-radius: 0;
    }

    .news-detail-modal__cover {
        border-radius: 0;
        height: 180px;
    }

    .news-detail-modal__body {
        padding: 22px 20px 30px;
    }
}


/* ========================================
   CTA SECTION
   ======================================== */
.cta {
    padding: 10vh 0;
    position: relative;
    background: var(--color-bg);
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/section-cta-bg.png') center/cover no-repeat;
    opacity: 0.12;
    z-index: 0;
}

.cta > .container {
    position: relative;
    z-index: 1;
}

.cta-card {
    background: linear-gradient(135deg, var(--color-deep), #0f2b55);
    border-radius: var(--radius-xl);
    padding: 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(32, 85, 157, 0.2), transparent);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 24px;
    line-height: 1.6;
}

.cta-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.cta-features span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

.cta-form-wrap {
    position: relative;
    z-index: 1;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    outline: none;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    background: var(--color-white);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

/* 表单：隐私同意勾选（位于深蓝 CTA 卡片上，文字用浅色） */
.form-consent {
    margin-top: 2px;
}
.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.88);
    cursor: pointer;
}
.consent-label input[type="checkbox"] {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}
.consent-label a {
    color: #ffd98a;
    text-decoration: underline;
}
.consent-label a:hover {
    color: #fff;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    padding: 10vh 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-lead {
    font-size: 16px !important;
    color: var(--color-deep) !important;
    line-height: 1.9 !important;
}

.about-text p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-contacts {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--color-text);
}

.contact-icon {
    font-size: 18px;
}

.about-office-img {
    margin: 20px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-office-img img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.about-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.about-badge {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.about-badge:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.badge-circle {
    font-size: 28px;
    margin-bottom: 8px;
}

.about-badge span:last-child {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-deep);
}

/* ========================================
   COMPANY INTRO — 参照通友时代图3
   ======================================== */
.company-intro {
    padding: 10vh 0;
}

.company-intro .section-bg-image::after {
    background: rgba(255, 255, 255, 0.82);
}

.company-intro .section-header {
    margin-bottom: 48px;
}

.company-intro .section-title {
    color: var(--color-deep);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.company-intro .section-desc {
    color: var(--color-text-secondary);
    font-weight: 500;
}

.intro-content {
    display: grid;
    grid-template-columns: 1.4fr 0.85fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 48px;
}

.intro-text p {
    font-size: 16px;
    color: #334155;
    line-height: 2;
    margin-bottom: 18px;
    text-align: justify;
}

.intro-text strong {
    color: var(--color-primary-dark);
    font-weight: 800;
    background: linear-gradient(transparent 60%, rgba(32, 85, 157, 0.12) 60%);
    padding: 0 2px;
}

.intro-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 100px;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
}

.intro-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0;
    display: block;
}

.intro-image img:first-child {
    filter: brightness(1.15) contrast(1.05);
}

.intro-map-card {
    display: flex;
    flex-direction: column;
}

.intro-map-visual {
    position: relative;
    line-height: 0;
}

.intro-map-svg {
    display: block;
    width: 100%;
    height: auto;
}

.map-pulse {
    transform-box: fill-box;
    transform-origin: center;
    animation: mapPulse 2.2s ease-out infinite;
}

@keyframes mapPulse {
    0% { transform: scale(0.4); opacity: 0.7; }
    80% { transform: scale(2.6); opacity: 0; }
    100% { opacity: 0; }
}

.intro-map-info {
    padding: 18px 20px 20px;
    background: var(--color-white);
}

.intro-map-info h4 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 800;
    color: var(--color-deep);
}

.intro-map-info p {
    margin: 0 0 14px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.intro-map-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, #20559d 0%, #4a7fc0 100%);
    box-shadow: 0 8px 18px rgba(32, 85, 157, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.intro-map-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(32, 85, 157, 0.32);
}

/* ========================================
   FOUNDER — 商务创始人格局（蓝/白主题）
   ======================================== */
.founder {
    padding: 10vh 0;
    background: var(--color-white);
    position: relative;
    overflow: hidden;
}

.founder::before {
    content: "";
    position: absolute;
    top: 8%;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(32, 85, 157, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.founder::after {
    content: "";
    position: absolute;
    bottom: 8%;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(74, 127, 192, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.founder .section-header {
    margin-bottom: 56px;
}

.founder-content {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* --- Left: photo frame + quote --- */
.founder-gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.founder-photo-frame {
    position: relative;
    width: 100%;
    max-width: 460px;
    aspect-ratio: 4 / 5;
    border-radius: 4px;
    padding: 14px;
    background: linear-gradient(135deg, #20559d 0%, #4a7fc0 50%, #20559d 100%);
    box-shadow: 0 20px 56px rgba(32, 85, 157, 0.18);
    transition: transform 0.4s ease;
}

.founder-photo-frame:hover {
    transform: translateY(-4px);
}

.founder-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 2px;
    display: block;
    background: var(--color-white);
}

.founder-photo-corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border: 3px solid #4a7fc0;
}

.founder-photo-corner.tl {
    top: -3px;
    left: -3px;
    border-right: none;
    border-bottom: none;
}

.founder-photo-corner.tr {
    top: -3px;
    right: -3px;
    border-left: none;
    border-bottom: none;
}

.founder-photo-corner.bl {
    bottom: -3px;
    left: -3px;
    border-right: none;
    border-top: none;
}

.founder-photo-corner.br {
    bottom: -3px;
    right: -3px;
    border-left: none;
    border-top: none;
}

.founder-quote {
    position: relative;
    margin: 0;
    padding: 0 12px;
    font-size: 16px;
    font-style: italic;
    color: #1a3c6d;
    line-height: 1.85;
    text-align: center;
    font-weight: 500;
    letter-spacing: 1px;
    max-width: 420px;
}

.founder-quote::before,
.founder-quote::after {
    display: none;
}

/* --- Right: info --- */
.founder-info {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.founder-info-header {
    margin-bottom: 4px;
}

.founder-name {
    font-size: 52px;
    font-weight: 800;
    color: #20559d;
    letter-spacing: 8px;
    margin: 0 0 10px;
    line-height: 1.1;
    background: linear-gradient(135deg, #20559d 0%, #174780 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.founder-title {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    color: #1a3c6d;
    letter-spacing: 1px;
    line-height: 1.7;
}

.founder-title-divider {
    margin: 0 8px;
    color: #4a7fc0;
    font-weight: 700;
}

.founder-title-role {
    margin-left: 8px;
    color: #20559d;
    font-weight: 700;
}

/* --- Tag chips --- */
.founder-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.founder-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    background: linear-gradient(135deg, #eef3f9 0%, #e4ecf6 100%);
    color: #20559d;
    border: 1px solid #cdddf0;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.founder-badge::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(135deg, #20559d, #4a7fc0);
    border-radius: 2px 0 0 2px;
}

.founder-badge:hover {
    background: linear-gradient(135deg, #20559d 0%, #174780 100%);
    color: #fff;
    border-color: #20559d;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(32, 85, 157, 0.2);
}

/* --- 3 highlight cards --- */
.founder-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 8px;
}

.founder-feature {
    background: linear-gradient(135deg, #f3f7fb 0%, #eaf1f8 100%);
    border: 1px solid #cdddf0;
    border-radius: 6px;
    padding: 18px 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.founder-feature::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(32, 85, 157, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.founder-feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(32, 85, 157, 0.12);
    border-color: #4a7fc0;
}

.founder-feature-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.founder-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: linear-gradient(135deg, #20559d 0%, #174780 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(32, 85, 157, 0.2);
}

.founder-feature h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #20559d;
    letter-spacing: 1px;
}

.founder-feature p {
    margin: 0;
    font-size: 12.5px;
    color: #1a3c6d;
    line-height: 1.7;
}

/* --- Bottom blue banner --- */
.founder-deep {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #20559d 0%, #174780 100%);
    border-radius: 6px;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(32, 85, 157, 0.18);
}

.founder-deep::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.founder-deep-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.founder-deep p {
    margin: 0;
    font-size: 14px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 0.5px;
}

.founder-deep strong {
    color: #fff;
    font-weight: 700;
    margin-right: 4px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* Advisors Wall — 核心团队资质 */
.advisors-wall {
    margin-top: 64px;
    padding: 40px 32px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.advisors-wall-header {
    text-align: center;
    margin-bottom: 36px;
}

.advisors-wall-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-deep);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.advisors-wall-desc {
    font-size: 15px;
    color: var(--color-text-muted);
}

.advisors-wall-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advisors-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    cursor: pointer;
}

.advisors-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.advisors-card img {
    width: 100%;
    height: auto;
    max-height: 340px;
    object-fit: contain;
    background: #f5f6f8;
    display: block;
    border-bottom: 1px solid var(--color-border);
    transition: transform 0.4s ease;
}

.advisors-card:hover img {
    transform: none;
}

.advisors-card-meta {
    padding: 14px 18px;
}

.advisors-card-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 4px;
}

.advisors-card-title {
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 600;
}


/* ========================================
   CULTURE — 参照通友时代图2
   ======================================== */
.culture {
    padding: 10vh 0;
    background: var(--color-white);
}

.culture .section-header {
    margin-bottom: 48px;
}

.culture-content {
    display: grid;
    grid-template-columns: 1.4fr 0.85fr;
    gap: 64px;
    align-items: center;
}

.culture-values {
    display: flex;
    flex-direction: column;
}

.culture-item {
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.culture-item:first-child {
    padding-top: 0;
}

.culture-item:last-child {
    border-bottom: none;
}

.culture-title {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 10px;
}

.culture-title h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-deep);
    font-style: italic;
}

.culture-title span {
    font-size: 14px;
    color: var(--color-text-muted);
    font-style: italic;
    text-transform: capitalize;
}

.culture-item p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    padding-left: 0;
}

.culture-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: transparent;
}

.culture-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.culture-image img:first-child {
    max-height: 215px;
}

.culture-image img:last-child {
    max-height: 215px;
}


/* ========================================
   HISTORY — 参照通友时代图1
   ======================================== */
.history {
    padding: 10vh 0;
    background: var(--color-bg);
}

.history .section-header {
    margin-bottom: 48px;
}

.history-slider {
    display: grid;
    grid-template-columns: 60px 1fr 60px;
    gap: 24px;
    align-items: center;
    margin-bottom: 48px;
}

.history-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.history-awards {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    min-height: 360px;
}

.history-awards img {
    max-height: 360px;
    width: auto;
    object-fit: contain;
}

.history-featured {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.history-award-main {
    max-height: 320px !important;
    width: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    cursor: zoom-in;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.history-award-main:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(32, 85, 157, 0.16);
}

.history-gallery-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 100px;
    border: 1px solid var(--color-primary);
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.history-gallery-trigger:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(32, 85, 157, 0.2);
}

/* 无荣誉图的阶段默认展示荣誉墙 */
.history-awards--no-gallery .history-award-main {
    max-height: 340px !important;
}

.history-detail {
    padding-left: 20px;
}

.history-period {
    font-size: 42px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 24px;
    font-style: italic;
}

.history-list {
    list-style: disc;
    padding-left: 20px;
}

.history-list li {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.history-list li::marker {
    color: var(--color-primary);
}

.history-nav {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.history-nav:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.history-timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-border);
    transform: translateY(-50%);
    z-index: 0;
}

.timeline-dots {
    position: relative;
    display: flex;
    justify-content: space-between;
    z-index: 1;
}

.timeline-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.dot-marker {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    transition: all var(--transition);
}

.timeline-dot.active .dot-marker {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(32, 85, 157, 0.15);
}

.dot-year {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.timeline-dot.active .dot-year {
    color: var(--color-primary);
}

/* ========================================
   CONTACT — 参照通友时代图4
   ======================================== */
.contact {
    padding: 10vh 0 6vh;
    background: var(--color-bg);
}

.contact .section-header {
    margin-bottom: 40px;
}

.contact-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.contact-tab {
    padding: 14px 32px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.contact-tab:hover {
    color: var(--color-primary);
}

.contact-tab.active {
    color: var(--color-white);
    background: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.contact-panels {
    position: relative;
}

.contact-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.contact-panel.active {
    display: block;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.contact-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px 24px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.contact-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: all var(--transition);
}

.contact-card:hover .contact-icon-wrap {
    background: var(--color-primary);
    color: var(--color-white);
}

.contact-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 6px;
}

.contact-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ========================================
   ADDRESS — 参照通友时代图5
   ======================================== */
.address {
    padding: 60px 0 100px;
    background: var(--color-white);
}

.address .section-header {
    margin-bottom: 48px;
}

.address-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.address-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.address-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.address-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.address-label {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.address-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-deep);
}

.address-map {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #eef4fb 0%, #dde9f6 100%);
    height: 100%;
    min-height: 380px;
    display: flex;
}

.address-map .intro-map-card {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.address-map .intro-map-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px;
    line-height: 0;
}

.address-map .intro-map-svg {
    width: 100%;
    max-width: 540px;
    height: auto;
}

.address-map .intro-map-info {
    margin: 0;
    background: var(--color-white);
}

.map-marker {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -100%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-pin {
    width: 24px;
    height: 24px;
    border-radius: 50% 50% 50% 0;
    background: var(--color-error);
    transform: rotate(-45deg);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.marker-pin::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--color-white);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.marker-label {
    margin-top: 8px;
    padding: 6px 12px;
    background: var(--color-white);
    color: var(--color-deep);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-deep);
    padding: 60px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon img {
    height: 42px;
    filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
}

.footer-logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
}

.footer-brand p {
    font-size: 13px;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer-col a,
.footer-col p {
    display: block;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    padding: 5px 0;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.8;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: underline;
}
.footer-bottom a:hover {
    color: #fff;
}

/* 案例/隐私等子页统一 mini 页脚（与全站深蓝风格一致） */
.case-footer {
    background: var(--color-deep);
    color: #fff;
    padding: 32px 0;
    text-align: center;
}
.case-footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.case-footer-nav {
    display: flex;
    gap: 28px;
}
.case-footer-nav a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    text-decoration: none;
}
.case-footer-nav a:hover {
    color: #fff;
    text-decoration: underline;
}
.case-footer p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* 无障碍：统一的键盘焦点可见样式 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.cta-form input:focus-visible,
.cta-form select:focus-visible {
    outline: 3px solid #ffd98a;
    outline-offset: 2px;
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .container {
        width: 88vw;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-v2 {
        min-height: auto;
        padding: 160px 0 0;
    }

    .hero-title-v2 {
        font-size: 52px;
    }

    .hero-subtitle-v2 {
        font-size: 17px;
    }

    .hero-feature-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .module-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .side-consult {
        display: none;
    }

    .painpoints-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-cards-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .iuap-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .iuap-layer {
        padding: 16px 20px;
        gap: 16px;
    }

    .agent-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .scenario-item {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .scenario-reverse {
        direction: ltr;
    }

    .scenario-image {
        order: -1;
    }

    .scenario-img {
        width: 220px;
        max-width: 100%;
    }

    .scenario-tags {
        justify-content: center;
    }

    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-card {
        grid-template-columns: 1fr;
        padding: 40px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .intro-content,
    .culture-content,
    .address-content {
        grid-template-columns: 1fr;
    }

    .intro-image,
    .culture-image {
        position: static;
        order: -1;
        flex-direction: column;
    }

    .intro-image img,
    .culture-image img {
        min-height: auto;
    }

    .history-slider {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .history-main {
        grid-template-columns: 1fr;
        order: -1;
    }

    .history-nav {
        display: none;
    }

    .history-awards img {
        max-height: 240px;
    }

    .contact-tabs {
        flex-wrap: wrap;
        border-bottom: none;
        gap: 8px;
    }

    .contact-tab {
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        padding: 10px 20px;
    }

    .contact-tab.active {
        border-color: var(--color-primary);
    }

    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .dropdown {
        min-width: 360px;
    }

    .dropdown-solutions {
        min-width: 640px;
    }

    .dropdown-solutions .dropdown-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 能力支柱：桌面 6 列，平板降为 3 列 */
    .solution-pillars {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 平板宽度：将桌面多列网格统一降为 2 列，避免拥挤 */
    .honors-grid,
    .solution-grid,
    .case-grid,
    .service-grid,
    .stats-grid,
    .news-grid,
    .about-badges,
    .founder-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 80px;
    }

    .container {
        width: 92vw;
        padding: 0 16px;
    }

    .section-bg,
    .section-pad {
        padding: 6vh 0;
    }

    .logo-icon img {
        height: 48px;
    }

    .logo-title {
        font-size: 28px;
    }

    .logo-subtitle {
        font-size: 12px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-desc {
        font-size: 15px;
    }

    .hero-v2 {
        padding: 124px 0 0;
    }

    .hero-title-v2 {
        font-size: 40px;
    }

    .hero-subtitle-v2 {
        font-size: 15px;
    }

    .hero-keywords {
        gap: 6px 12px;
    }

    .hero-keywords a {
        font-size: 13px;
    }

    .hero-feature-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .hero-feature-item {
        padding: 16px;
    }

    .module-detail-content h2 {
        font-size: 26px;
    }

    .module-detail-grid {
        grid-template-columns: 1fr;
    }

    .hero-stat-num {
        font-size: 26px;
    }

    /* Mobile Nav */
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: #f8f9fb;
        padding: 24px;
        transform: translateX(100%);
        transition: transform var(--transition);
        overflow-y: auto;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 16px;
    }

    /* 手机：平板 2 列网格统一降为 1 列 */
    .solution-grid,
    .case-grid,
    .honors-grid,
    .service-grid,
    .stats-grid,
    .news-grid,
    .about-badges,
    .founder-features {
        grid-template-columns: 1fr;
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        min-width: auto;
        padding: 8px 0 8px 16px;
        display: none;
    }

    .has-dropdown.active .dropdown {
        display: block;
    }

    .dropdown-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .menu-toggle {
        display: flex;
    }

    /* Grids */
    .painpoints-grid {
        grid-template-columns: 1fr;
    }

    .product-cards-row {
        grid-template-columns: 1fr;
    }

    .product-tabs {
        gap: 6px;
    }

    .product-tab {
        padding: 8px 18px;
        font-size: 13px;
    }

    .iuap-grid {
        grid-template-columns: 1fr;
    }

    .iuap-layer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .iuap-arch-head h4 {
        font-size: 18px;
    }

    .agent-grid {
        grid-template-columns: 1fr;
    }

    .agent-tabs {
        gap: 6px;
    }

    .agent-tab {
        padding: 6px 14px;
        font-size: 12px;
    }

    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .honor-card {
        padding: 20px 14px;
    }

    .honor-icon-wrap {
        width: 48px;
        height: 48px;
    }

    .honor-icon {
        font-size: 24px;
    }

    .honor-card h4 {
        font-size: 13px;
    }

    .solution-grid {
        grid-template-columns: 1fr;
    }

    .solution-pillars {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .solution-subs,
    .solution-recommend {
        padding-left: 20px;
        padding-right: 20px;
    }

    .pillar-subs {
        gap: 5px;
    }

    .pillar-sub {
        font-size: 10.5px;
        padding: 3px 7px;
    }

    .case-grid {
        grid-template-columns: 1fr;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-number {
        font-size: 36px;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .cta-card {
        padding: 32px 24px;
        border-radius: var(--radius-lg);
    }

    .cta-content h2 {
        font-size: 24px;
    }

    .cta-features {
        grid-template-columns: 1fr;
    }

    .about-badges {
        grid-template-columns: 1fr 1fr;
    }

    .founder-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .founder-gallery {
        max-width: 380px;
        margin: 0 auto;
        order: -1;
    }

    .founder-info-header {
        text-align: center;
    }

    .founder-name {
        font-size: 40px;
        letter-spacing: 6px;
    }

    .founder-title {
        font-size: 13px;
    }

    .founder-quote {
        font-size: 15px;
    }

    .founder-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .founder-deep {
        padding: 18px 20px;
    }

    .founder-deep p {
        font-size: 13px;
    }

    .culture-title h3 {
        font-size: 24px;
    }

    .history-main {
        padding: 28px;
    }

    .history-period {
        font-size: 32px;
    }

    .timeline-dots {
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .timeline-dot {
        flex-shrink: 0;
    }

    .contact-cards {
        grid-template-columns: 1fr 1fr;
    }

    .contact-card {
        padding: 28px 16px;
    }

    .address-content {
        gap: 32px;
    }

    .address-map {
        min-height: 280px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title-v2 {
        font-size: 32px;
    }

    .hero-actions-v2 {
        flex-direction: column;
        align-items: center;
    }

    .hero-top-tags {
        flex-wrap: wrap;
        gap: 8px;
    }

    .hero-top-tags span {
        font-size: 12px;
        padding: 4px 12px;
    }

    .hero-stat-num {
        font-size: 22px;
    }

    .about-badges {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 24px;
    }

    .founder-name {
        font-size: 32px;
        letter-spacing: 4px;
    }

    .founder-title {
        font-size: 12px;
    }

    .founder-title-divider {
        display: block;
        margin: 4px 0;
        visibility: hidden;
    }

    .founder-badges {
        gap: 8px;
        justify-content: center;
    }

    .founder-badge {
        font-size: 12px;
        padding: 6px 14px;
    }

    .founder-feature {
        padding: 14px 12px;
    }

    .founder-feature h4 {
        font-size: 14px;
    }

    .founder-feature p {
        font-size: 12px;
    }

    .founder-deep {
        padding: 16px 18px;
        gap: 10px;
    }

    .founder-deep p {
        font-size: 12.5px;
    }

    .founder-gallery {
        max-width: 300px;
    }

    .founder-quote {
        font-size: 14px;
    }

    .contact-cards {
        grid-template-columns: 1fr;
    }

    .contact-tab {
        padding: 8px 14px;
        font-size: 13px;
    }

    .address-item {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* ========================================
   CASE DETAIL PAGE
   ======================================== */
.case-detail {
    padding: calc(var(--header-height) + 60px) 0 10vh;
}

.case-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.case-detail-meta {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.case-detail-meta .tag {
    padding: 4px 14px;
    background: var(--color-primary-bg);
    color: var(--color-primary);
    border-radius: 100px;
    font-weight: 600;
}

.case-detail-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-deep);
    line-height: 1.35;
    margin-bottom: 12px;
}

.case-detail-hero {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 48px;
}

.case-detail-hero img {
    width: 100%;
    display: block;
}

.case-detail-body {
    max-width: 800px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.9;
    color: var(--color-text);
}

.case-detail-body p {
    margin-bottom: 20px;
}

.case-section {
    margin-bottom: 56px;
}

.case-section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-deep);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
}

.case-section-title span {
    color: var(--color-primary);
    margin-right: 12px;
}

.case-item {
    margin-bottom: 28px;
}

.case-item-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.case-item-tag {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    padding: 4px 12px;
    border-radius: 100px;
}

.case-item-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-deep);
}

.case-item p {
    color: var(--color-text-secondary);
    margin-left: 0;
}

.case-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin: 36px 0;
}

.case-detail-image img {
    width: 100%;
    display: block;
}

.case-detail-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 40px 0;
    padding: 32px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.case-detail-metric {
    text-align: center;
}

.case-detail-metric .number {
    font-size: 38px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.case-detail-metric .label {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.case-quote {
    margin-top: 36px;
    padding: 28px 32px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    font-size: 16px;
    color: var(--color-text-secondary);
}

.case-quote strong {
    color: var(--color-deep);
}

.case-detail-cta {
    text-align: center;
    margin-top: 60px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
}

.case-detail-cta p {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.case-detail-cta .btn {
    font-size: 16px;
    padding: 14px 40px;
}

@media (max-width: 768px) {
    .case-detail-title {
        font-size: 28px;
    }

    .case-detail-metrics {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px;
    }

    .case-detail-body {
        font-size: 16px;
    }

    .case-section-title {
        font-size: 24px;
    }

    .advisors-wall {
        padding: 28px 18px;
        margin-top: 48px;
    }

    .advisors-wall-title {
        font-size: 22px;
    }

    .advisors-wall-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .honor-card-img {
        max-width: 100%;
    }

}

/* ========================================
   HISTORY LIGHTBOX
   ======================================== */
.history-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 30, 61, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.history-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.history-lightbox img {
    max-width: 90vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    background: var(--color-white);
    padding: 8px;
}

.history-lightbox__close {
    position: absolute;
    top: 24px;
    right: 32px;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    font-size: 32px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.history-lightbox__caption {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    text-align: center;
    max-width: 720px;
    line-height: 1.6;
}

/* ========================================
   HISTORY GALLERY MODAL
   ======================================== */
.history-gallery {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(10, 30, 61, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.history-gallery.active {
    opacity: 1;
    visibility: visible;
}

.history-gallery__dialog {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 1100px;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.history-gallery__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 28px;
    border-bottom: 1px solid var(--color-border);
}

.history-gallery__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-deep);
    margin: 0 0 4px;
}

.history-gallery__count {
    font-size: 13px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.history-gallery__close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 28px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-gallery__close:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.history-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 28px;
    overflow-y: auto;
}

.history-gallery-item {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    cursor: zoom-in;
}

.history-gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.history-gallery-item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    display: block;
    background: var(--color-white);
    padding: 10px;
}

.history-gallery-item__caption {
    display: block;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    text-align: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-white);
}

@media (max-width: 992px) {
    .history-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-banner {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 32px 28px;
    }

    .solution-banner__visual {
        order: -1;
    }
}

@media (max-width: 576px) {
    .history-gallery__dialog {
        max-height: 92vh;
    }

    .solution-pillars {
        grid-template-columns: 1fr;
    }

    .history-gallery__grid {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 16px;
    }

    .history-gallery__header {
        padding: 18px 20px;
    }

    .history-gallery__title {
        font-size: 18px;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll-triggered fade-in for sections */
.fade-in-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}