/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #047bc5;
    --brand-color: #047bc5;
    --primary-dark: #036aa8;
    --secondary-color: #047bc5;
    --accent-color: #22a7e6;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-card: 10px;
    --radius-panel: 10px;
    --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.07);
    --shadow-card-hover: 0 24px 60px rgba(4, 123, 197, 0.13);
    --transition: all 0.3s ease;
    --page-min-width: 1200px;
    --page-max-width: 1600px;
    --page-gutter: clamp(20px, 2vw, 36px);
    --page-shell-width: clamp(var(--page-min-width), calc(100vw - 48px), var(--page-max-width));
    --header-height: 70px;
    --section-y: 16px;
    --section-y-first: 16px;
    --section-header-gap: 16px;
    --section-header-gap-compact: 14px;
    --section-card-gap: 16px;
}

html {
    scroll-behavior: smooth;
}

@media (min-width: 2201px) {
    :root {
        --page-max-width: 1800px;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

body.nav-open {
    overflow: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Rounded Cap ===== */
.nav a,
.menu-toggle,
.btn,
.section-tag,
.filter-btn,
.page-btn,
.card,
.banner-graphic,
.banner-graphic::before,
.tech-core,
.tech-node,
.service-card,
.service-icon,
.business-card,
.business-card-icon,
.product-suite-card,
.owned-project-card,
.product-suite-icon,
.owned-project-icon,
.about-image-main,
.about-hero-card,
.about-hero-service-item,
.about-signal-panel,
.about-signal-card,
.about-value-card,
.about-focus-card,
.about-delivery,
.about-delivery-step,
.about-principles,
.about-card-index,
.contact-info,
.contact-form,
.faq-question,
.faq-answer,
.news-card,
.news-skeleton,
.article-detail,
.sidebar-card,
.detail-kicker,
.detail-shell,
.detail-body,
.order-panel,
.order-product-tab,
.order-product-row,
.checkout-modal-card,
.order-summary,
.media-modal-content,
.product-suite-meta span,
.owned-project-meta span,
.about-hero-points span,
.banner-mobile-points span,
.news-tag,
.news-tag.top,
.case-card,
.case-image,
.case-content,
.case-type-badge,
.consent-check,
input,
textarea,
select {
    border-radius: 10px !important;
}

/* ===== 容器 ===== */
.container {
    width: min(100%, var(--page-shell-width));
    max-width: none;
    margin: 0 auto;
    padding: 0 var(--page-gutter);
}

/* ===== 头部导航 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: url('/assets/brand/dawang-logo-icon-128.png?v=202605081738') center / contain no-repeat;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    font-size: 0;
    overflow: hidden;
}

.logo-icon i {
    display: none;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-text span {
    color: var(--primary-color);
}

.nav {
    display: flex;
    align-items: center;
    gap: clamp(8px, 0.9vw, 24px);
}

.nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    padding: 8px clamp(8px, 0.45vw, 12px);
    border-radius: 10px;
    position: relative;
    line-height: 1.2;
    transition: var(--transition);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav a:hover,
.nav a.active {
    color: var(--primary-color);
}

.nav a:hover {
    background: rgba(4, 123, 197, 0.06);
}

.nav a.active {
    background: rgba(4, 123, 197, 0.12);
    font-weight: 700;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.nav a.active::after {
    width: 0;
}

@media (min-width: 1400px) {
    .nav {
        gap: clamp(14px, 1.1vw, 30px);
    }
}

.menu-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 12px;
    border: 1px solid rgba(4, 123, 197, 0.14);
    background: rgba(4, 123, 197, 0.04);
    flex: 0 0 42px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== 页面内容区域 ===== */
.page-content {
    padding-top: 70px;
}

/* ===== 页面标题区 ===== */
.page-header {
    background: var(--brand-color);
    min-height: 150px;
    padding: 24px 0;
    text-align: center;
    color: white;
    display: flex;
    align-items: center;
}

.page-header h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header p {
    font-size: 17px;
    opacity: 0.9;
    line-height: 1.65;
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* ===== 卡片样式 ===== */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(4, 123, 197, 0.24);
    box-shadow: var(--shadow-card-hover);
}

/* ===== 首页 Banner ===== */
.banner {
    min-height: calc(360px + var(--header-height));
    padding: 0;
    background: #047bc5;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none;
}

.banner-content {
    position: relative;
    z-index: 1;
    width: min(100%, var(--page-shell-width));
    min-height: calc(360px + var(--header-height));
    max-width: none;
    margin: 0 auto;
    padding: var(--header-height) var(--page-gutter) 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) clamp(360px, 25vw, 460px);
    grid-template-rows: minmax(0, 1fr);
    align-content: stretch;
    align-items: center;
    gap: clamp(28px, 4vw, 68px);
    transform: none;
}

.banner-text {
    max-width: clamp(560px, 38vw, 700px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-self: center;
    transform: none;
}

.banner h1 {
    font-size: clamp(42px, 3.1vw, 52px);
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin: 0 0 16px;
}

.banner h1 span {
    background: linear-gradient(135deg, #e8f7ff, #9fe4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner p {
    font-size: 17px;
    color: rgba(232, 244, 255, 0.9);
    margin: 0 0 24px;
    line-height: 1.75;
}

.banner-buttons {
    display: flex;
    gap: 20px;
    margin-top: 0;
}

.banner .btn-primary {
    background: #ffffff;
    color: #07589f;
    border: 2px solid #ffffff;
    box-shadow: 0 16px 34px rgba(4, 41, 89, 0.18);
}

.banner .btn-primary:hover {
    background: #eaf7ff;
    border-color: #eaf7ff;
    color: #064b86;
}

.banner .btn-outline {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.72);
    color: #f8fbff;
}

.banner .btn-outline:hover {
    background: #ffffff;
    border-color: #ffffff;
    color: #07589f;
}

.banner-mobile-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.banner-mobile-points span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(191, 219, 254, 0.16);
    color: #dbeafe;
    font-size: 13px;
    font-weight: 600;
}

.banner-mobile-points i {
    color: #93c5fd;
}

.banner-illustration {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    align-self: center;
    transform: none;
}

.banner-graphic {
    width: min(100%, 420px);
    height: 260px;
    border-radius: 28px;
    background:
        radial-gradient(circle at 50% 48%, rgba(159, 228, 255, 0.26), transparent 26%),
        radial-gradient(circle at 16% 20%, rgba(255, 255, 255, 0.14), transparent 22%),
        linear-gradient(145deg, rgba(5, 82, 146, 0.82), rgba(4, 73, 133, 0.52));
    border: 1px solid rgba(191, 235, 255, 0.22);
    box-shadow: 0 30px 80px rgba(4, 41, 89, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.12);
    position: relative;
    overflow: hidden;
    margin-right: 0;
    isolation: isolate;
}

.banner-graphic::before {
    content: '';
    position: absolute;
    inset: 22px;
    border-radius: 24px;
    background:
        linear-gradient(rgba(191, 235, 255, 0.11) 1px, transparent 1px),
        linear-gradient(90deg, rgba(191, 235, 255, 0.11) 1px, transparent 1px);
    background-size: 42px 42px;
    border: 1px solid rgba(191, 235, 255, 0.18);
    opacity: 0.7;
    z-index: 0;
}

.banner-graphic::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 86px;
    left: 58px;
    top: 88px;
    border-radius: 999px;
    border: 1px solid rgba(191, 235, 255, 0.24);
    background: radial-gradient(circle at 50% 50%, rgba(34, 167, 230, 0.18), transparent 68%);
    z-index: 1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.tech-orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(191, 235, 255, 0.2);
    z-index: 2;
}

.orbit-one {
    width: 250px;
    height: 150px;
    left: 84px;
    top: 54px;
    transform: rotate(-14deg);
}

.orbit-two {
    width: 250px;
    height: 150px;
    right: 84px;
    bottom: 54px;
    transform: rotate(18deg);
}

.tech-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 104px;
    height: 104px;
    transform: translate(-50%, -50%);
    border-radius: 24px;
    background: linear-gradient(145deg, #047bc5, #22a7e6);
    box-shadow: 0 20px 45px rgba(4, 123, 197, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.24);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3;
}

.core-mark {
    color: white;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -2px;
    line-height: 1;
}

.core-caption {
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 12px;
    font-weight: 600;
}

.tech-node {
    position: absolute;
    min-width: 72px;
    padding: 8px 10px;
    border-radius: 14px;
    background: rgba(6, 35, 78, 0.76);
    border: 1px solid rgba(191, 235, 255, 0.28);
    color: #eaf7ff;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 4;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.16);
}

.tech-node i {
    color: #8ee6ff;
    font-size: 14px;
}

.tech-node span {
    font-size: 12px;
    font-weight: 700;
}

.node-web { left: 30px; top: 58px; }
.node-api { right: 30px; top: 58px; }
.node-cloud { left: 54px; bottom: 42px; }
.node-mobile { right: 54px; bottom: 42px; }
.node-safe { left: 50%; top: 30px; transform: translateX(-50%); }

.tech-flow {
    position: absolute;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, rgba(191, 235, 255, 0.74), transparent);
    z-index: 2;
    opacity: 0.82;
}

.flow-one {
    width: 132px;
    left: 86px;
    top: 100px;
    transform: rotate(18deg);
}

.flow-two {
    width: 132px;
    right: 86px;
    top: 100px;
    transform: rotate(-18deg);
}

.flow-three {
    width: 210px;
    left: 105px;
    bottom: 82px;
    transform: rotate(-4deg);
}

/* ===== 服务区块 ===== */
.section {
    padding: 48px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 28px;
}

.section-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0;
}

.section-header p {
    font-size: 15px;
    color: var(--text-gray);
    max-width: clamp(680px, 44vw, 840px);
    margin: 10px auto 0;
    line-height: 1.7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr);
    align-content: start;
    gap: 16px 18px;
    text-align: left;
    padding: 34px 26px;
    border-radius: var(--radius-card);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(4, 123, 197, 0.28);
    box-shadow: var(--shadow-card-hover);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    grid-column: 1;
    grid-row: 1;
}

.service-icon i {
    font-size: 32px;
    color: white;
}

.service-card h3 {
    font-size: 19px;
    font-weight: 600;
    margin: 0;
    color: var(--text-dark);
    grid-column: 2;
    grid-row: 1;
    align-self: center;
}

.service-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.62;
    grid-column: 1 / -1;
}

.service-card > div:not(.service-icon) {
    grid-column: 1 / -1;
}

.home-services-section {
    padding: 34px 0 38px;
}

.home-services-section .section-header {
    margin-bottom: 24px;
}

.home-cases-section {
    padding: 34px 0 38px;
}

.home-cases-section .section-header {
    margin-bottom: 24px;
}

/* ===== 业务矩阵 / 自研产品 / 自营项目 ===== */
.business-section {
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
    padding: 34px 0 38px;
}

.business-section .section-header {
    margin-bottom: 24px;
}

.business-section-desc {
    max-width: none;
    white-space: nowrap;
}

.business-matrix,
.product-suite-grid,
.owned-projects-grid {
    display: grid;
    gap: 24px;
}

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

.product-suite-grid,
.owned-projects-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.business-card,
.product-suite-card,
.owned-project-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 250px;
    padding: 24px;
    border: 1px solid rgba(4, 123, 197, 0.12);
    border-radius: var(--radius-panel);
    background: var(--bg-white);
    color: inherit;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.business-card::after,
.product-suite-card::after,
.owned-project-card::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    right: -60px;
    top: -60px;
    border-radius: 50%;
    background: rgba(4, 123, 197, 0.08);
}

.business-card:hover,
.product-suite-card:hover,
.owned-project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(4, 123, 197, 0.28);
    box-shadow: var(--shadow-card-hover);
}

.section-muted {
    background:
        radial-gradient(circle at top left, rgba(4, 123, 197, 0.06), transparent 32%),
        var(--bg-light);
}

.process-grid,
.feature-grid {
    display: grid;
    gap: 24px;
}

.process-grid {
    grid-template-columns: repeat(4, 1fr);
}

.feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.process-card,
.feature-card {
    text-align: center;
}

.process-card {
    display: grid;
    grid-template-columns: 60px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
    text-align: left;
}

.process-number {
    width: 60px;
    height: 60px;
    margin: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 14px 28px rgba(4, 123, 197, 0.22);
    grid-column: 1;
    grid-row: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0;
    border-radius: 18px;
    background: rgba(4, 123, 197, 0.08);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    grid-column: 1;
    grid-row: 1;
}

.process-card h3,
.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.process-card p,
.feature-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
}

.process-card h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    align-self: center;
}

.process-card p {
    grid-column: 1 / -1;
}

.feature-card {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
    text-align: left;
}

.feature-card h3 {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    margin: 0;
}

.feature-card p {
    grid-column: 1 / -1;
}

.business-card-icon,
.product-suite-icon,
.owned-project-icon {
    width: 54px;
    height: 54px;
    margin-bottom: 20px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    position: relative;
    z-index: 1;
}

.business-card {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    align-content: start;
    gap: 16px;
}

.business-card .business-card-icon {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
}

.owned-project-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.product-suite-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.product-suite-head .product-suite-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.owned-project-head .owned-project-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.business-card h3,
.product-suite-card h3,
.owned-project-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
    position: relative;
    z-index: 1;
}

.business-card h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    align-self: center;
}

.owned-project-head h3 {
    margin-bottom: 0;
}

.product-suite-head h3 {
    margin-bottom: 0;
}

.business-card p,
.product-suite-card p,
.owned-project-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.business-card ul,
.product-suite-card ul {
    margin-top: 18px;
    display: grid;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.business-card p,
.business-card ul,
.business-card .business-card-link {
    grid-column: 1 / -1;
}

.business-card li,
.product-suite-card li {
    color: var(--text-gray);
    font-size: 13px;
}

.business-card li::before,
.product-suite-card li::before {
    content: '•';
    color: var(--primary-color);
    margin-right: 8px;
}

.business-card-link {
    margin-top: auto;
    padding-top: 20px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    justify-self: start;
}

.product-suite-meta,
.owned-project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
    position: relative;
    z-index: 1;
}

.product-suite-meta span,
.owned-project-meta span {
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(4, 123, 197, 0.08);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 700;
}

.owned-project-card {
    min-height: 250px;
}

/* ===== 关于我们区块 ===== */
.about-section {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-main {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image-main i {
    font-size: 150px;
    color: white;
    opacity: 0.3;
}

.about-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 25px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.72;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 8px;
}

/* ===== 案例展示 ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.case-card:hover {
    transform: translateY(-6px);
    border-color: rgba(4, 123, 197, 0.28);
    box-shadow: var(--shadow-card-hover);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #1e3a5f, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image i {
    font-size: 60px;
    color: white;
    opacity: 0.3;
}

.case-type-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.case-content p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.case-customer {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 500;
}

/* ===== 联系表单 ===== */
.contact-section {
    background: var(--bg-light);
    padding: 48px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--section-card-gap);
}

.contact-info {
    grid-column: span 1;
    padding: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    color: white;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-info-item i {
    font-size: 24px;
    opacity: 0.8;
}

.contact-info-item div {
    flex: 1;
}

.contact-info-item strong {
    display: block;
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 6px;
}

.contact-info-item p {
    font-size: 16px;
    font-weight: 500;
    line-height: 2;
}

.contact-form {
    grid-column: span 2;
    background: var(--bg-white);
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-panel);
    box-shadow: var(--shadow-card);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition);
    font-family: inherit;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(4, 123, 197, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    width: 100%;
    padding: 16px;
    font-size: 16px;
}

.consent-group {
    margin-top: 4px;
}

.consent-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
    cursor: pointer;
}

.consent-check input {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    flex: 0 0 auto;
}

.consent-check a {
    color: var(--primary-color);
    font-weight: 600;
}

.form-optional-fields {
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: #f8fbff;
    padding: 0 18px 8px;
}

.form-optional-fields summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 0;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 700;
}

.form-optional-fields summary::-webkit-details-marker {
    display: none;
}

.form-optional-fields summary::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-color);
    transition: transform .2s ease;
}

.form-optional-fields[open] summary::after {
    transform: rotate(180deg);
}

.form-optional-fields .form-row:last-of-type,
.form-optional-fields .form-group:last-child {
    margin-bottom: 0;
}

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

.mobile-contact-bar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    z-index: 1100;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 12px;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(14px);
    box-shadow: 0 22px 44px rgba(15, 23, 42, 0.24);
}

.mobile-contact-action {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 14px;
    font-size: 14px;
    font-weight: 700;
}

.mobile-contact-action.phone {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.mobile-contact-action.consult {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
}

/* ===== 页脚 ===== */
.footer {
    background: #047bc5;
    color: white;
    margin-top: 10px;
    padding: 40px 0 10px;
}

.footer .container {
    min-width: 1200px;
}

.footer-content {
    display: grid;
    grid-template-columns: minmax(620px, 1fr) max-content 1fr max-content;
    column-gap: clamp(32px, 2.2vw, 56px);
    row-gap: 20px;
    margin-bottom: 0;
    align-items: start;
}

.footer-content > .footer-links:nth-child(2) {
    justify-self: start;
}

.footer-content > .footer-links:nth-child(3) {
    justify-self: center;
}

.footer-content > .footer-links:nth-child(4) {
    justify-self: end;
    text-align: left;
}

.footer-content > .footer-links:nth-child(4) a,
.footer-content > .footer-links:nth-child(4) .footer-contact-item {
    white-space: nowrap;
}

.footer-brand h3 {
    font-size: clamp(22px, 1.5vw, 26px);
    line-height: 1.25;
    margin-bottom: 5px;
    color: white;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(232, 244, 255, 0.88);
    line-height: 1.75;
    max-width: none;
}

.footer-brand {
    --footer-brand-text-width: 360px;
    display: grid;
    grid-template-columns: 166px var(--footer-brand-text-width);
    grid-template-rows: auto auto auto;
    column-gap: 20px;
    row-gap: 5px;
    align-items: start;
    align-content: start;
    width: calc(166px + 20px + var(--footer-brand-text-width));
    max-width: 100%;
    min-height: 166px;
}

.footer-brand::before {
    content: '';
    width: 166px;
    height: 166px;
    display: block;
    background: url('/assets/brand/dawang-logo-icon-320.png?v=202605081738') center top / 100% auto no-repeat;
    grid-row: 1 / 4;
    align-self: start;
    margin-top: 0;
}

.footer-brand h3,
.footer-brand p,
.footer-legal-inline {
    grid-column: 2;
    width: var(--footer-brand-text-width);
    max-width: 100%;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: white;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: rgba(232, 244, 255, 0.82);
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(3px);
}

.footer-contact-item {
    display: block;
    font-size: 14px;
    color: rgba(232, 244, 255, 0.82);
    line-height: 1.65;
    margin-bottom: 12px;
    text-align: left;
    white-space: nowrap;
}

.footer-contact-first {
    display: block;
    white-space: nowrap;
}

.footer-contact-label {
    color: inherit;
    white-space: nowrap;
}

.footer-contact-indent {
    display: block;
    padding-left: var(--footer-indent);
}

.footer-contact-address {
    --footer-indent: 3em;
}

.footer-contact-worktime {
    --footer-indent: 5em;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    text-align: center;
    font-size: 14px;
    color: rgba(232, 244, 255, 0.76);
}

.footer-owner {
    color: #d9f3ff;
    font-weight: inherit;
}

.footer-legal-inline {
    display: block;
    margin-top: 2px;
    font-size: 14px;
    color: rgba(232, 244, 255, 0.82);
    line-height: 1.7;
    white-space: nowrap;
}

.footer-icp-link {
    color: #d9f3ff;
    font-weight: inherit;
}

.footer-icp-link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* ===== 媒体查看器 ===== */
.media-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.media-modal.active {
    display: flex;
}

.media-modal-content {
    max-width: 90%;
    max-height: 90%;
}

.media-modal-content img,
.media-modal-content video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 10px;
}

.media-modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: white;
    cursor: pointer;
}

/* ===== 关于页面 ===== */
.about-section {
    background:
        radial-gradient(circle at 12% 8%, rgba(4, 123, 197, 0.08), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f8fbff 46%, #ffffff 100%);
}

.about-page-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-page-section {
    margin-bottom: 50px;
}

.about-page-section h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-page-section p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    white-space: pre-line;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(4, 123, 197, 0.1);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.about-intro {
    width: 100%;
    margin: 0 0 42px;
    padding: 42px;
    border: 1px solid rgba(4, 123, 197, 0.14);
    border-radius: 28px;
    background:
        radial-gradient(circle at top left, rgba(96, 165, 250, 0.22), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #f5f9ff 55%, #eef6ff 100%);
    box-shadow: 0 22px 60px rgba(4, 123, 197, 0.1);
}

.about-hero-card {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
    gap: 34px;
    align-items: stretch;
    position: relative;
    overflow: hidden;
}

.about-hero-card::after {
    content: '';
    position: absolute;
    width: 240px;
    height: 240px;
    right: -90px;
    bottom: -110px;
    border-radius: 50%;
    background: rgba(4, 123, 197, 0.08);
}

.about-hero-copy,
.about-signal-panel {
    position: relative;
    z-index: 1;
}

.about-intro h2 {
    font-size: 38px;
    line-height: 1.2;
    margin-bottom: 18px;
    color: var(--text-dark);
}

.about-intro p {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.72;
}

.about-hero-lead {
    max-width: 760px;
}

.about-hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0 24px;
}

.about-hero-points span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border: 1px solid rgba(4, 123, 197, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.74);
    color: var(--text-dark);
    font-size: 14px;
}

.about-hero-points i {
    color: var(--primary-color);
}

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

.about-hero-services {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 8px 0 24px;
}

.about-hero-service-item {
    padding: 18px 18px 16px;
    border: 1px solid rgba(4, 123, 197, 0.12);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 10px 28px rgba(4, 123, 197, 0.06);
}

.about-hero-service-item h3 {
    margin: 0 0 10px;
    font-size: 17px;
    color: var(--text-dark);
}

.about-hero-service-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-gray);
}

.about-signal-panel {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 24px;
    background: rgba(15, 23, 42, 0.9);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.about-signal-card {
    padding: 18px;
    border: 1px solid rgba(96, 165, 250, 0.18);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.06);
}

.about-signal-card strong {
    display: block;
    margin-bottom: 7px;
    color: white;
    font-size: 17px;
}

.about-signal-card span {
    color: rgba(226, 232, 240, 0.78);
    font-size: 14px;
    line-height: 1.65;
}

.about-value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 58px;
}

.about-value-card {
    position: relative;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    align-content: start;
    gap: 16px;
    min-height: 230px;
    padding: 24px;
    border: 1px solid rgba(4, 123, 197, 0.12);
    border-radius: var(--radius-panel);
    background: var(--bg-white);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.about-value-card::after {
    content: '';
    position: absolute;
    width: 130px;
    height: 130px;
    right: -56px;
    top: -56px;
    border-radius: 50%;
    background: rgba(4, 123, 197, 0.08);
}

.about-card-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    font-weight: 800;
    grid-column: 1;
    grid-row: 1;
}

.about-value-card h3 {
    margin: 0;
    color: var(--text-dark);
    font-size: 20px;
    grid-column: 2;
    grid-row: 1;
    align-self: center;
}

.about-value-card p {
    color: var(--text-gray);
    line-height: 1.72;
    grid-column: 1 / -1;
}

.about-focus-title {
    margin-top: 60px;
}

.about-focus-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.about-focus-card {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    align-items: start;
    gap: 16px;
    padding: 28px 24px;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: var(--bg-white);
    transition: var(--transition);
}

.about-focus-card:hover {
    transform: translateY(-6px);
    border-color: rgba(4, 123, 197, 0.35);
    box-shadow: var(--shadow-lg);
}

.about-focus-card i {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    border-radius: 16px;
    color: white;
    font-size: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    grid-column: 1;
    grid-row: 1;
}

.about-focus-card h3 {
    font-size: 18px;
    margin: 0;
    color: var(--text-dark);
    grid-column: 2;
    grid-row: 1;
    align-self: center;
}

.about-focus-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.68;
    grid-column: 1 / -1;
}

.about-delivery {
    margin-top: 58px;
    padding: 32px;
    border: 1px solid rgba(4, 123, 197, 0.1);
    border-radius: 28px;
    background:
        radial-gradient(circle at top right, rgba(96, 165, 250, 0.14), transparent 36%),
        var(--bg-white);
    box-shadow: var(--shadow-card);
}

.about-delivery .section-header {
    margin-bottom: 30px;
}

.about-delivery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.about-delivery-step {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-content: start;
    gap: 14px 16px;
    padding: 24px;
    border-radius: 20px;
    background: var(--bg-light);
}

.about-delivery-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 0;
    border-radius: 14px;
    background: rgba(4, 123, 197, 0.1);
    color: var(--primary-color);
    font-weight: 800;
    grid-column: 1;
    grid-row: 1;
}

.about-delivery-step h3 {
    margin: 0;
    font-size: 18px;
    color: var(--text-dark);
    grid-column: 2;
    grid-row: 1;
    align-self: center;
}

.about-delivery-step p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.75;
    grid-column: 1 / -1;
}

.about-principles {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin-top: 32px;
    padding: 28px 32px;
    border-radius: 22px;
    color: white;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
}

.about-principles h2 {
    font-size: 28px;
    margin-bottom: 14px;
}

.about-principles p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.8;
}

.about-principles .section-tag {
    background: rgba(96, 165, 250, 0.16);
    color: #93c5fd;
}

.about-principles .btn {
    flex: 0 0 auto;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.team-member {
    text-align: center;
}

.team-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar i {
    font-size: 50px;
    color: white;
}

.team-member h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.team-member p {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===== 加载动画 ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    :root {
        --page-min-width: 0px;
        --page-shell-width: 100%;
        --page-gutter: clamp(16px, 5vw, 28px);
    }
}

@media (max-width: 992px) {
    .banner {
        min-height: calc(380px + var(--header-height));
        padding: 0;
    }

    .banner-content {
        min-height: calc(380px + var(--header-height));
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        align-content: center;
        text-align: center;
        padding: calc(var(--header-height) - 8px) var(--page-gutter) 24px;
        gap: 24px;
        transform: none;
    }

    .banner-text {
        max-width: 100%;
        transform: none;
    }

    .banner-buttons {
        justify-content: center;
    }

    .banner-illustration {
        display: flex;
        width: 100%;
        flex: 0 0 auto;
        justify-content: center;
        transform: none;
    }

    .banner h1 {
        font-size: 42px;
    }

    .banner-graphic {
        width: min(100%, 340px);
        height: 220px;
        border-radius: 28px;
    }

    .banner-graphic::before {
        inset: 24px;
    }

    .banner-graphic::after {
        width: 238px;
        height: 70px;
        left: 50px;
        top: 76px;
    }

    .tech-core {
        width: 104px;
        height: 104px;
        border-radius: 24px;
    }

    .core-mark {
        font-size: 30px;
    }

    .core-caption {
        margin-top: 6px;
        font-size: 10px;
    }

    .orbit-one {
        width: 200px;
        height: 126px;
        left: 68px;
        top: 46px;
    }

    .orbit-two {
        width: 200px;
        height: 126px;
        right: 68px;
        bottom: 46px;
    }

    .tech-node {
        min-width: 74px;
        padding: 8px 10px;
    }

    .tech-node span {
        font-size: 12px;
    }

    .node-web { left: 18px; top: 50px; }
    .node-api { right: 18px; top: 50px; }
    .node-cloud { left: 42px; bottom: 32px; }
    .node-mobile { right: 42px; bottom: 32px; }
    .node-safe { top: 24px; }

    .flow-one {
        width: 104px;
        left: 72px;
        top: 90px;
    }

    .flow-two {
        width: 104px;
        right: 72px;
        top: 90px;
    }

    .flow-three {
        width: 168px;
        left: 86px;
        bottom: 68px;
    }

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

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

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

    .detail-sidebar {
        position: static;
        height: auto;
    }

    .services-grid,
    .cases-grid,
    .business-matrix,
    .product-suite-grid,
    .owned-projects-grid,
    .about-value-grid,
    .about-focus-grid,
    .about-delivery-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-content {
        grid-template-columns: minmax(620px, 1fr) max-content 1fr max-content;
    }
}

@media (max-width: 768px) {
    :root {
        --page-gutter: 10px;
        --section-y: 10px;
        --section-y-first: 10px;
        --section-header-gap: 10px;
        --section-header-gap-compact: 10px;
        --section-card-gap: 10px;
    }

    body {
        overflow-x: hidden;
    }

    .footer {
        display: none;
    }

    .page-header {
        min-height: 132px;
        padding: 10px 0;
    }

    .page-header h1 {
        font-size: 34px;
        margin-bottom: 6px;
    }

    .page-header p {
        font-size: 16px;
    }


    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        display: none;
        background: var(--bg-white);
        flex-direction: column;
        padding: 10px;
        gap: 10px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .menu-toggle {
        display: flex;
    }

    body.has-mobile-contact-bar {
        padding-bottom: calc(82px + env(safe-area-inset-bottom, 0px));
    }

    .mobile-contact-bar {
        display: grid;
        left: 10px;
        right: 10px;
        bottom: calc(10px + env(safe-area-inset-bottom, 0px));
        gap: 10px;
        padding: 10px;
    }

    .banner {
        min-height: auto;
        padding: calc(var(--header-height) + 10px) 0 10px;
    }

    .banner h1 {
        font-size: clamp(22px, 6vw, 24px);
        line-height: 1.15;
        white-space: nowrap;
        word-break: normal;
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .banner p {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .banner-content {
        min-height: auto;
        padding: 0 var(--page-gutter);
        gap: 10px;
    }

    .banner-text {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }

    .banner-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .banner-illustration {
        display: none;
    }

    .banner-buttons .btn {
        width: 100%;
    }

    .banner-mobile-points {
        justify-content: center;
    }

    .page-header p {
        max-width: 320px;
        margin: 0 auto;
        line-height: 1.7;
    }

    .card,
    .service-card,
    .business-card,
    .product-suite-card,
    .owned-project-card,
    .news-card,
    .case-content,
    .contact-info,
    .contact-form,
    .about-hero-card,
    .about-value-card,
    .about-focus-card,
    .about-delivery,
    .about-principles,
    .article-detail,
    .sidebar-card,
    .faq-question,
    .faq-answer {
        padding: 10px !important;
    }

    .about-page-content,
    .about-hero-actions,
    .about-hero-services,
    .about-signal-panel,
    .about-value-grid,
    .about-focus-grid,
    .about-delivery-grid,
    .about-hero-points,
    .about-stats,
    .news-card,
    .related-list,
    .form-optional-fields summary,
    .mobile-contact-bar {
        gap: 10px !important;
    }

    .about-page-section,
    .about-intro,
    .about-value-grid,
    .about-delivery,
    .about-principles,
    .news-card,
    .contact-info-item,
    .form-group,
    .sidebar-card,
    .faq-item {
        margin-bottom: 10px !important;
    }

    .about-page-section h2,
    .about-intro h2,
    .about-delivery .section-header,
    .sidebar-card h4,
    .news-card-footer,
    .article-header {
        margin-bottom: 10px !important;
    }

    .about-page-section p,
    .about-intro p,
    .article-body p {
        margin-bottom: 10px !important;
    }

    .about-hero-services,
    .about-value-grid,
    .about-focus-grid,
    .about-delivery-grid {
        grid-template-columns: 1fr !important;
    }

    .about-hero-service-item,
    .about-signal-panel,
    .about-signal-card {
        padding: 10px !important;
    }

    .banner-graphic {
        width: min(100%, 290px);
        height: 188px;
        border-radius: 24px;
    }

    .banner-graphic::before {
        inset: 20px;
    }

    .banner-graphic::after {
        width: 206px;
        height: 58px;
        left: 42px;
        top: 66px;
    }

    .node-cloud,
    .node-mobile,
    .flow-three {
        display: none;
    }

    .orbit-one {
        width: 168px;
        height: 104px;
        left: 60px;
        top: 42px;
    }

    .orbit-two {
        width: 168px;
        height: 104px;
        right: 60px;
        bottom: 42px;
    }

    .tech-core {
        width: 92px;
        height: 92px;
    }

    .core-mark {
        font-size: 28px;
    }

    .node-web { left: 18px; top: 42px; }
    .node-api { right: 18px; top: 42px; }
    .node-safe { top: 18px; }

    .flow-one {
        width: 86px;
        left: 62px;
        top: 78px;
    }

    .flow-two {
        width: 86px;
        right: 62px;
        top: 78px;
    }

    .services-grid,
    .cases-grid,
    .business-matrix,
    .product-suite-grid,
    .owned-projects-grid,
    .about-value-grid,
    .process-grid,
    .about-delivery-grid,
    .about-focus-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .business-section-desc {
        white-space: normal;
    }

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

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

    .contact-info,
    .contact-form {
        padding: 24px 20px;
    }

    .contact-info h3 {
        font-size: 24px;
        margin-bottom: 22px;
    }

    .contact-info-item {
        margin-bottom: 18px;
    }

    .contact-info-item p {
        font-size: 15px;
    }

    .form-optional-fields {
        padding: 0 14px 8px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .section {
        padding: 44px 0;
    }

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

    .about-intro {
        padding: 26px;
    }

    .about-hero-actions {
        flex-direction: column;
    }

    .about-hero-actions .btn {
        width: 100%;
    }

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

    .about-intro h2 {
        font-size: 26px;
    }

    .about-delivery {
        padding: 26px;
    }

    .about-principles {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px;
    }
}

@media (max-width: 420px) {
    .container {
        padding: 0 16px;
    }

    .header .container {
        height: 66px;
    }

    .logo-text {
        font-size: 18px;
    }

    .banner h1 {
        font-size: 26px;
        max-width: 9ch;
    }

    .section-header h2,
    .page-header h1 {
        font-size: 28px;
    }

    .section-header p,
    .page-header p {
        font-size: 15px;
    }

    .news-filter-bar {
        gap: 10px;
    }

    .filter-btn {
        min-width: 0;
        padding: 10px 14px;
        font-size: 13px;
    }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }

/* ===== 最新资讯首页模块 ===== */
.news-section { background: #f8faff; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media(max-width: 900px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media(max-width: 600px) { .news-grid { grid-template-columns: 1fr; } }
.news-card {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all .3s;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(4, 123, 197, 0.28);
}
.news-card-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.news-tag { background: var(--primary-color); color: #fff; font-size: 12px; padding: 3px 10px; border-radius: 20px; }
.news-tag.top { background: #f59e0b; }
.news-date { color: #999; font-size: 13px; }
.news-card-title { font-size: 16px; font-weight: 600; color: var(--text-dark); line-height: 1.42; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-summary { font-size: 14px; color: var(--text-gray); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-card-footer { display: flex; gap: 16px; font-size: 13px; color: var(--text-light); border-top: 1px solid var(--border-color); padding-top: 12px; align-items: center; }
.news-more { margin-left: auto; color: var(--primary-color); font-weight: 500; white-space: nowrap; }
.news-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 12px;
    height: 200px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ===== 资讯列表页 ===== */
.business-section,
.section-muted,
.about-section,
.contact-section,
.news-section,
.news-list-section,
.home-services-section,
.home-cases-section,
.self-products-section {
    background: #fff;
}

/* ===== 全站正文板块间距统一 ===== */
body > .section,
.page-content > .section,
.page-content > .contact-section {
    padding-top: 0;
    padding-bottom: var(--section-y);
}

body > .banner + .section,
.page-content > .page-header + .section,
.page-content > .page-header + .contact-section {
    padding-top: var(--section-y-first);
}

body > .section + .section,
.page-content > .section + .section,
.page-content > .section + .contact-section,
.page-content > .contact-section + .section {
    padding-top: 0;
}

.section-header {
    margin-bottom: var(--section-header-gap);
}

.home-services-section .section-header,
.home-cases-section .section-header,
.business-section .section-header,
.about-delivery .section-header {
    margin-bottom: var(--section-header-gap-compact);
}

.services-grid,
.cases-grid,
.business-matrix,
.product-suite-grid,
.owned-projects-grid,
.process-grid,
.feature-grid,
.about-focus-grid,
.about-delivery-grid,
.news-grid,
.news-list-grid {
    gap: var(--section-card-gap);
}

.about-intro,
.about-value-grid {
    margin-bottom: var(--section-y);
}

.about-focus-title {
    margin-top: 0;
}

.about-delivery {
    margin-top: var(--section-y);
}

.about-principles {
    margin-top: var(--section-card-gap);
}

.news-filter-bar {
    margin-bottom: var(--section-header-gap);
}

.news-pagination {
    margin-top: var(--section-header-gap);
}

.detail-back {
    margin-bottom: var(--section-header-gap-compact);
}

@media (max-width: 768px) {
    :root {
        --section-y: 14px;
        --section-y-first: 14px;
        --section-header-gap: 14px;
        --section-header-gap-compact: 12px;
        --section-card-gap: 14px;
    }
}

.news-list-section { min-height: 60vh; }
.news-filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: var(--section-header-gap); }
.filter-btn {
    padding: 8px 20px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: #fff;
    color: var(--text-gray);
    font-size: 14px;
    cursor: pointer;
    transition: all .2s;
}
.filter-btn:hover, .filter-btn.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.news-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media(max-width: 900px) { .news-list-grid { grid-template-columns: repeat(2,1fr); } }
@media(max-width: 600px) { .news-list-grid { grid-template-columns: 1fr; } }
.news-pagination { display: flex; gap: 8px; justify-content: center; margin-top: var(--section-header-gap); flex-wrap: wrap; }
.page-btn {
    width: 40px; height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    transition: all .2s;
    display: flex; align-items: center; justify-content: center;
}
.page-btn:hover, .page-btn.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }

/* ===== 文章详情页 ===== */
.article-detail { background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-panel); padding: 32px; box-shadow: var(--shadow-card); }
.article-header { margin-bottom: 30px; padding-bottom: 24px; border-bottom: 1px solid var(--border-color); }
.article-header h1 { font-size: 28px; color: var(--text-dark); line-height: 1.34; margin-bottom: 14px; }
.article-meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; color: var(--text-light); }
.article-meta span { display: flex; align-items: center; gap: 5px; }
.article-body { font-size: 16px; line-height: 1.74; color: var(--text-dark); }
.article-body h3 { font-size: 20px; color: var(--text-dark); margin: 20px 0 10px; }
.article-body p { margin-bottom: 14px; }
.article-sidebar { position: sticky; top: 100px; }
.sidebar-card { background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-card); padding: 20px; box-shadow: var(--shadow-card); margin-bottom: 20px; }
.sidebar-card h4 { font-size: 16px; color: var(--text-dark); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); }
.related-list { display: flex; flex-direction: column; gap: 12px; }
.related-item { display: flex; gap: 10px; text-decoration: none; color: inherit; }

/* ===== 产品/自营详情页 ===== */
.detail-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: var(--section-header-gap-compact);
}

.detail-back:hover {
    text-decoration: underline;
}

.detail-shell {
    width: 100%;
    max-width: none;
    margin: 0;
    display: grid;
    gap: 22px;
}

.detail-hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 430px;
    gap: 24px;
    align-items: stretch;
}

.detail-main,
.detail-side-card,
.detail-section-panel {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-panel);
    box-shadow: var(--shadow-card);
}

.detail-main {
    overflow: hidden;
}

.detail-sidebar {
    position: sticky;
    top: 92px;
    height: 100%;
}

.detail-hero-shell > .detail-sidebar > .detail-side-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.detail-cover {
    aspect-ratio: 16 / 6.4;
    min-height: 320px;
    background: linear-gradient(135deg, #1e3a5f, #0f172a);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.detail-cover img,
.detail-cover video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-cover-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: inherit;
}

.detail-cover-fallback {
    color: rgba(255,255,255,.92);
    font-size: 62px;
}

.detail-file-cover {
    width: 100%;
    height: 100%;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: rgba(255,255,255,.94);
    text-align: center;
    padding: 32px;
}

.detail-file-cover i {
    font-size: 58px;
}

.detail-file-cover strong {
    font-size: 22px;
}

.detail-file-cover span {
    max-width: 520px;
    color: rgba(255,255,255,.72);
}

.detail-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(4, 123, 197, 0.08);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
}

.detail-body h1 {
    font-size: 36px;
    line-height: 1.18;
    margin-bottom: 18px;
}

.detail-title-link {
    color: inherit;
}

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

.page-header .detail-title-link:hover {
    color: inherit;
    opacity: 0.86;
}

.detail-summary {
    max-width: 860px;
    font-size: 18px;
    color: var(--text-gray);
    line-height: 1.78;
    margin-bottom: 24px;
}

.detail-body {
    padding: 30px 32px;
}

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

.detail-hero-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 156px;
    padding: 13px 20px;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.detail-hero-action.primary {
    color: #fff;
    background: var(--primary-color);
    box-shadow: 0 16px 32px rgba(4, 123, 197, 0.18);
}

.detail-hero-action.secondary {
    color: var(--text-dark);
    background: #f8fbff;
    border: 1px solid rgba(4, 123, 197, 0.16);
}

.detail-hero-action:hover,
.detail-side-cta:hover {
    transform: translateY(-1px);
}

.detail-hero-action.primary:hover,
.detail-side-cta:hover {
    background: var(--primary-dark);
}

.detail-hero-action.secondary:hover {
    border-color: rgba(4, 123, 197, 0.32);
    background: rgba(4, 123, 197, 0.06);
}

.detail-anchor-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 18px;
    border: 1px solid rgba(4, 123, 197, 0.12);
    border-radius: var(--radius-panel);
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

.detail-anchor-label {
    color: var(--text-light);
    font-size: 13px;
    font-weight: 700;
}

.detail-anchor-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-dark);
    background: #fff;
    border: 1px solid #e7eef6;
    font-size: 14px;
    font-weight: 700;
    transition: var(--transition);
}

.detail-anchor-link:hover {
    color: var(--primary-color);
    border-color: rgba(4, 123, 197, 0.24);
    background: rgba(4, 123, 197, 0.05);
}

.detail-content-flow {
    display: grid;
    gap: 18px;
}

.detail-section-panel {
    padding: 28px 30px;
}

.detail-section-head {
    margin-bottom: 18px;
}

.detail-section-head h2 {
    font-size: 28px;
    line-height: 1.2;
}

.detail-richtext {
    color: var(--text-gray);
    line-height: 1.9;
    white-space: pre-line;
}

.detail-bullet-list {
    display: grid;
    gap: 12px;
    padding-left: 0;
}

.detail-bullet-list-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
    row-gap: 14px;
}

.detail-bullet-list-compact {
    gap: 10px;
}

.detail-bullet-list li {
    position: relative;
    padding-left: 16px;
    color: var(--text-gray);
    line-height: 1.8;
}

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

.price-plan-card {
    position: relative;
    min-height: 100%;
    padding: 24px;
    border: 1px solid rgba(4, 123, 197, 0.14);
    border-radius: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    box-shadow: var(--shadow-card);
    display: grid;
    align-content: start;
}

.price-plan-card.recommended {
    border-color: rgba(4, 123, 197, 0.36);
    box-shadow: var(--shadow-card-hover);
}

.price-plan-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(4, 123, 197, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px;
}

.price-plan-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.price-plan-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
}

.price-plan-cycle {
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-light);
}

.price-plan-target {
    margin-top: 14px;
    color: var(--text-gray);
    line-height: 1.75;
}

.price-plan-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.price-plan-grid-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.price-plan-grid-triple {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-plan-grid-quad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.plan-list {
    margin-top: 18px;
}

.detail-plan-summary {
    margin-top: 0;
}

.detail-plan-compare {
    margin-top: 24px;
}

.detail-plan-compare-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.detail-plan-compare-head strong {
    font-size: 18px;
    line-height: 1.3;
}

.detail-plan-compare-head span {
    color: var(--text-light);
    font-size: 13px;
    line-height: 1.5;
}

.detail-plan-table-wrap {
    overflow-x: auto;
}

.detail-plan-table-wrap .order-package-table {
    min-width: 980px;
}

.detail-plan-table-wrap .package-group-row td {
    text-align: left;
    padding-left: 16px;
}

.detail-bullet-list li::before {
    content: "•";
}

.price-plan-diff {
    display: grid;
    gap: 8px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid #e2e8f0;
}

.price-plan-diff div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

.price-plan-diff strong {
    color: var(--text-dark);
    font-weight: 700;
    text-align: right;
}

.detail-side-card {
    padding: 26px;
}

.detail-overview-card {
    overflow: hidden;
}

.detail-overview-title {
    color: var(--text-light);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
}

.detail-overview-name {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.3;
}

.detail-overview-group {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid #edf2f7;
}

.detail-side-card h3 {
    font-size: 18px;
    margin-bottom: 14px;
}

.detail-meta-list {
    display: grid;
    gap: 12px;
}

.detail-meta-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    color: var(--text-light);
}

.detail-meta-item span,
.detail-meta-item a {
    color: var(--text-dark);
    line-height: 1.75;
}

.detail-side-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.detail-side-tags span {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(4, 123, 197, 0.08);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 700;
}

.detail-side-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 18px;
    padding: 14px 18px;
    border-radius: 14px;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 16px 32px rgba(4, 123, 197, 0.18);
}

.detail-empty {
    color: #999;
    text-align: center;
    padding: 40px 0;
}

.owned-demand-lead {
    max-width: 920px;
    color: var(--text-gray);
    line-height: 1.85;
    margin-bottom: 18px;
}

.owned-demand-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.owned-demand-card {
    padding: 18px;
    border: 1px solid rgba(4, 123, 197, 0.12);
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.owned-demand-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
}

.owned-demand-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.75;
}

.owned-demand-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 18px;
    padding: 18px;
    border-radius: 16px;
    background: rgba(4, 123, 197, 0.06);
    color: var(--text-gray);
    line-height: 1.75;
}

.owned-demand-cta a {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 148px;
    padding: 12px 18px;
    border-radius: 12px;
    background: var(--primary-color);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}

@media (min-width: 993px) {
    .detail-section-panel-plans.has-compare-table .price-plan-diff {
        display: none;
    }

    .detail-plan-table-wrap .package-param-head,
    .detail-plan-table-wrap .package-param-name {
        position: sticky;
        left: 0;
    }

    .detail-plan-table-wrap .package-param-head {
        z-index: 3;
    }

    .detail-plan-table-wrap .package-param-name {
        z-index: 1;
        box-shadow: 10px 0 20px rgba(15, 23, 42, 0.06);
    }
}

@media (max-width: 992px) {
    .detail-plan-compare {
        display: none;
    }
}

@media (max-width: 1280px) {
    .detail-hero-shell {
        grid-template-columns: minmax(0, 1fr) 390px;
    }

    .owned-demand-grid,
    .price-plan-grid-triple,
    .price-plan-grid-quad {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
.related-item:hover .related-item-title { color: var(--primary-color); }
.related-item-title { font-size: 14px; color: var(--text-dark); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-item-date { font-size: 12px; color: var(--text-light); margin-top: 4px; }

/* ===== 在线订购 ===== */
.order-page-header {
    background: var(--brand-color);
}

.order-page-header h1 {
    letter-spacing: 0;
}

.order-compare-section {
    background: #f7fbff;
    padding-top: 34px;
}

.order-mobile-panel {
    display: none;
}

.order-mobile-card {
    padding: 20px;
    border: 1px solid #d7e8f5;
    border-radius: var(--radius-panel);
    background: #fff;
    box-shadow: 0 14px 34px rgba(4, 123, 197, .08);
}

.order-mobile-detail {
    display: grid;
    gap: 14px;
    margin-top: 8px;
}

.order-mobile-detail-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.order-mobile-detail-head strong {
    display: block;
    font-size: 18px;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.order-mobile-price {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    line-height: 1;
    white-space: nowrap;
}

.order-mobile-price span {
    display: inline;
    margin-top: 0;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    line-height: 1.2;
    white-space: nowrap;
}

.order-mobile-suitable {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.68;
}

.order-mobile-block {
    display: grid;
    gap: 8px;
}

.order-mobile-block strong {
    font-size: 14px;
    color: var(--text-dark);
}

.order-mobile-block ul {
    display: grid;
    gap: 8px;
}

.order-mobile-block li {
    position: relative;
    padding-left: 14px;
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.55;
}

.order-mobile-block li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary-color);
}

.order-mobile-submit {
    width: 100%;
    margin-top: 16px;
}

.order-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: var(--section-card-gap);
    align-items: flex-start;
}

.order-sidebar {
    position: sticky;
    top: 92px;
    display: grid;
    gap: 14px;
}

.order-step {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
    padding: 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    background: #fff;
    box-shadow: var(--shadow-card);
}

.order-step span {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--primary-color);
    font-weight: 800;
}

.order-step strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}

.order-step p {
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.6;
}

.order-main {
    display: grid;
    gap: var(--section-card-gap);
}

.order-panel {
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-panel);
    background: #fff;
    box-shadow: var(--shadow-card);
}

.order-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.order-panel-head h2 {
    font-size: 24px;
    line-height: 1.25;
    margin-top: 6px;
}

.order-product-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.order-product-tab {
    text-align: left;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    background: #fff;
    padding: 18px;
    cursor: pointer;
    transition: var(--transition);
    min-height: 148px;
}

.order-product-tab i {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    color: #fff;
    background: var(--primary-color);
    font-size: 20px;
}

.order-product-tab span {
    display: block;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
}

.order-product-tab small {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.7;
}

.order-product-tab:hover,
.order-product-tab.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-2px);
}

.order-selected-tip {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--brand-color);
    background: rgba(4, 123, 197, 0.1);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.order-plan-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.order-plan-card {
    position: relative;
    min-height: 100%;
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    background: #fff;
    box-shadow: 0 12px 34px rgba(15, 23, 42, 0.06);
    transition: var(--transition);
}

.order-plan-card.active,
.order-plan-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
}

.order-plan-card.recommended {
    border-color: rgba(4, 123, 197, 0.45);
}

.order-plan-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    border-radius: 999px;
    color: #fff;
    background: var(--primary-color);
    font-size: 11px;
    font-weight: 700;
}

.order-plan-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    padding-right: 56px;
}

.order-plan-price {
    font-size: 32px;
    line-height: 1;
    color: var(--text-dark);
    font-weight: 900;
    margin-bottom: 16px;
}

.order-plan-price span {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
}

.order-plan-card p {
    min-height: 72px;
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

.order-plan-cols {
    display: grid;
    gap: 16px;
    margin: 20px 0;
}

.order-plan-cols strong {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
}

.order-plan-cols ul {
    display: grid;
    gap: 8px;
}

.order-plan-cols li {
    position: relative;
    padding-left: 16px;
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.55;
}

.order-plan-cols li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary-color);
}

.order-plan-diff {
    display: grid;
    gap: 8px;
    margin: 0 0 20px;
    padding: 14px;
    border-radius: 12px;
    background: #f8fbff;
    border: 1px solid #e2e8f0;
}

.order-plan-diff strong {
    display: block;
    font-size: 14px;
}

.order-plan-diff div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.6;
}

.order-plan-diff em {
    color: var(--text-dark);
    font-style: normal;
    text-align: right;
}

.order-compare-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.order-product-side,
.order-compare-main {
    background: #fff;
    border: 1px solid #d7e8f5;
    border-radius: 14px;
    box-shadow: 0 14px 34px rgba(4, 123, 197, .08);
    padding: 20px;
}

.order-product-list {
    display: grid;
    gap: 12px;
}

.order-product-row {
    width: 100%;
    text-align: left;
    border: 1px solid #dbeaf5;
    background: #fff;
    border-radius: 10px;
    padding: 13px;
    cursor: pointer;
    transition: border-color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.order-product-row:hover,
.order-product-row.active {
    border-color: var(--brand-color);
    background: #eef8ff;
    box-shadow: 0 10px 22px rgba(4, 123, 197, .1);
    transform: translateY(-1px);
}

.order-product-row strong {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dark);
    font-size: 15px;
    margin-bottom: 8px;
}

.order-product-row strong i {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 28px;
    border-radius: 8px;
    color: #fff;
    background: var(--brand-color);
    font-size: 13px;
}

.order-product-row span {
    display: block;
    color: var(--text-gray);
    font-size: 13px;
    line-height: 1.65;
}

.order-compare-table-wrap {
    overflow-x: auto;
    border: 1px solid #d7e8f5;
    border-radius: 12px;
    background: #fff;
}

.order-package-table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
    font-size: 13px;
}

.order-package-table th,
.order-package-table td {
    border-right: 1px solid #e6f0f8;
    border-bottom: 1px solid #e6f0f8;
    padding: 11px 12px;
    text-align: center;
    vertical-align: middle;
    line-height: 1.5;
}

.order-package-table th:last-child,
.order-package-table td:last-child {
    border-right: 0;
}

.package-param-head {
    width: 180px;
    min-width: 180px;
    background: #f5f9fc;
    color: var(--text-dark);
}

.package-plan-head {
    min-width: 180px;
    background: var(--brand-color);
    color: #fff;
}

.package-plan-head:nth-child(3) { background: #0782cc; }
.package-plan-head:nth-child(4) { background: #0578bd; }
.package-plan-head:nth-child(5) { background: #056fab; }
.package-plan-head:nth-child(6) { background: #04649a; }

.package-plan-head.recommended {
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .38);
}

.package-plan-head strong,
.package-plan-head em,
.package-plan-head small,
.package-plan-head span {
    display: block;
}

.package-plan-head strong {
    font-size: 16px;
    margin-bottom: 8px;
}

.package-plan-head em {
    font-style: normal;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 5px;
}

.package-plan-head small,
.package-plan-head span {
    color: rgba(255,255,255,.88);
    font-size: 12px;
    line-height: 1.6;
}

.package-plan-head .btn {
    margin-top: 10px;
    background: transparent;
    border-color: rgba(255,255,255,.85);
    color: #fff;
}

.package-plan-head .btn:hover {
    background: #fff;
    color: var(--brand-color);
}

.package-badge {
    width: fit-content;
    margin: 0 auto 8px;
    padding: 3px 8px;
    border: 1px solid rgba(255,255,255,.68);
    border-radius: 999px;
}

.package-group-row td {
    background: #eef7fd;
    color: var(--text-dark);
    font-weight: 800;
    font-size: 14px;
    text-align: center;
}

.package-param-name {
    background: #fff;
    text-align: left !important;
}

.package-param-name strong,
.package-param-name small {
    display: block;
}

.package-param-name strong {
    font-size: 13px;
}

.package-param-name small {
    color: var(--text-light);
    font-size: 12px;
    margin-top: 4px;
}

.package-check {
    color: var(--brand-color);
    font-size: 20px;
    font-weight: 900;
}

.package-cross,
.package-muted {
    color: #b8c2cf;
    font-size: 15px;
}

.checkout-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 23, 42, .56);
}

.checkout-modal.show {
    display: flex;
}

.checkout-modal-card {
    position: relative;
    width: min(920px, 96vw);
    max-height: 90vh;
    overflow-y: auto;
    background: #fff;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, .28);
}

.checkout-modal-card h2 {
    font-size: 28px;
    margin: 14px 0 20px;
}

.order-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 14px 16px;
    border-radius: 12px;
    background: #f8fbff;
    color: var(--text-gray);
}

.order-summary strong {
    color: var(--text-dark);
}

.order-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 10px 0 20px;
    color: var(--text-gray);
    line-height: 1.7;
    cursor: pointer;
}

.order-consent input {
    margin-top: 5px;
}

.order-submit {
    min-width: 220px;
}

.order-result {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    line-height: 1.7;
}

.order-result.success {
    color: #065f46;
    background: #d1fae5;
}

.order-result.error {
    color: #991b1b;
    background: #fee2e2;
}

.order-loading,
.order-empty {
    grid-column: 1 / -1;
    padding: 24px;
    color: var(--text-gray);
    text-align: center;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-card);
    background: #fff;
}

.payment-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.64);
}

.payment-modal.show {
    display: flex;
}

.payment-modal-card {
    position: relative;
    width: min(440px, 100%);
    padding: 32px;
    border-radius: var(--radius-panel);
    background: #fff;
    text-align: center;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.28);
}

.payment-modal-card h2 {
    margin: 12px 0 8px;
    font-size: 28px;
}

.payment-modal-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

.payment-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 50%;
    background: #f1f5f9;
    color: var(--text-gray);
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
}

.mock-qr {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 24px auto 18px;
    border: 10px solid #fff;
    box-shadow: 0 0 0 1px var(--border-color), 0 18px 36px rgba(15, 23, 42, 0.14);
    background:
        linear-gradient(90deg, #0f172a 10px, transparent 10px) 0 0 / 28px 28px,
        linear-gradient(#0f172a 10px, transparent 10px) 0 0 / 28px 28px,
        linear-gradient(135deg, transparent 44%, #0f172a 44% 56%, transparent 56%) 0 0 / 42px 42px,
        #fff;
    overflow: hidden;
}

.mock-qr::before,
.mock-qr::after {
    content: "";
    position: absolute;
    width: 56px;
    height: 56px;
    border: 10px solid #0f172a;
    background: #fff;
}

.mock-qr::before {
    left: 12px;
    top: 12px;
}

.mock-qr::after {
    right: 12px;
    bottom: 12px;
}

.mock-qr span {
    position: absolute;
    inset: auto 14px 14px;
    padding: 6px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: #0f172a;
    font-size: 10px;
    word-break: break-all;
}

.payment-info {
    display: grid;
    gap: 6px;
    margin-bottom: 20px;
    color: var(--text-gray);
    font-size: 14px;
}

.payment-info strong {
    color: var(--text-dark);
    font-size: 16px;
}

.payment-info span {
    display: block;
}

@media (max-width: 1280px) {
    .order-compare-layout {
        grid-template-columns: 260px minmax(0, 1fr);
    }

    .order-shell {
        grid-template-columns: 240px minmax(0, 1fr);
    }

    .order-plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .order-compare-layout {
        grid-template-columns: 1fr;
    }

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

    .order-sidebar {
        position: static;
        grid-template-columns: 1fr;
    }

    .order-product-tabs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .order-mobile-panel {
        display: block;
        margin-bottom: 10px;
    }

    .order-compare-layout {
        display: none;
    }

    .order-product-side,
    .order-compare-main,
    .checkout-modal-card {
        padding: 10px;
    }

    .order-panel {
        padding: 10px;
    }

    .order-panel-head {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 10px;
    }

    .order-panel-head h2 {
        font-size: 20px;
    }

    .checkout-modal {
        padding: 10px;
    }

    .checkout-modal-card h2 {
        font-size: 24px;
        margin: 10px 0;
    }

    .order-summary {
        font-size: 13px;
        gap: 10px;
        padding: 10px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .order-mobile-price {
        font-size: 24px;
    }

    .order-mobile-card,
    .order-mobile-detail,
    .order-mobile-block,
    .order-plan-diff,
    .order-result,
    .order-loading,
    .order-empty {
        gap: 10px;
    }

    .order-mobile-submit,
    .order-submit {
        margin-top: 10px;
        margin-bottom: 0;
    }

    .order-consent {
        margin: 10px 0;
        gap: 10px;
    }

    .order-mobile-suitable,
    .order-plan-diff,
    .order-summary,
    .payment-info {
        margin-bottom: 10px;
    }

    .section {
        padding: 10px 0 !important;
    }

    .contact-info,
    .contact-form,
    .about-intro,
    .about-delivery,
    .about-principles,
    .article-detail,
    .sidebar-card {
        padding: 10px !important;
    }

    .about-page-content,
    .about-hero-actions,
    .about-hero-services,
    .about-signal-panel,
    .about-value-grid,
    .about-focus-grid,
    .about-delivery-grid,
    .about-hero-points,
    .about-stats,
    .news-card,
    .related-list {
        gap: 10px !important;
    }

    .about-page-section,
    .about-intro,
    .about-value-grid,
    .about-delivery,
    .about-principles,
    .contact-info-item,
    .form-group,
    .sidebar-card,
    .faq-item,
    .news-card,
    .article-header,
    .article-body p,
    .news-card-footer {
        margin-bottom: 10px !important;
    }

    .about-hero-services,
    .about-value-grid,
    .about-focus-grid,
    .about-delivery-grid {
        grid-template-columns: 1fr !important;
    }

    .about-hero-service-item,
    .about-signal-panel,
    .about-signal-card {
        padding: 10px !important;
    }

    .detail-shell,
    .detail-hero-shell,
    .detail-content-flow {
        gap: 10px !important;
    }

    .detail-hero-shell {
        grid-template-columns: 1fr !important;
    }

    .detail-sidebar {
        position: static;
    }

    .detail-main,
    .detail-side-card,
    .detail-section-panel {
        width: 100%;
        min-width: 0;
    }

    .detail-cover {
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .detail-anchor-nav {
        display: none;
    }

    .detail-body,
    .detail-side-card,
    .price-plan-card,
    .detail-section-panel {
        padding: 10px !important;
    }

    .detail-summary,
    .detail-kicker,
    .detail-section-head,
    .detail-side-card h3,
    .detail-overview-group,
    .plan-list,
    .price-plan-diff,
    .price-plan-target {
        margin-top: 0;
        margin-bottom: 10px !important;
    }

    .detail-overview-group {
        padding-top: 10px;
    }

    .detail-hero-actions {
        flex-direction: column;
    }

    .detail-hero-action {
        width: 100%;
    }

    .detail-meta-list,
    .detail-side-tags,
    .owned-demand-grid,
    .price-plan-grid,
    .detail-bullet-list {
        gap: 10px !important;
    }

    .detail-bullet-list-columns,
    .owned-demand-grid,
    .price-plan-grid-duo,
    .price-plan-grid-triple,
    .price-plan-grid-quad {
        grid-template-columns: 1fr !important;
    }

    .owned-demand-card,
    .owned-demand-cta {
        padding: 10px !important;
    }

    .owned-demand-lead,
    .owned-demand-cta {
        margin-bottom: 10px !important;
    }

    .owned-demand-cta {
        flex-direction: column;
        align-items: stretch;
        margin-top: 10px;
    }

    .owned-demand-cta a {
        width: 100%;
    }

    .detail-side-tags {
        flex-wrap: wrap;
    }

    .detail-side-tags span {
        max-width: 100%;
        white-space: normal;
        word-break: break-word;
    }
}

/* 友情链接 */
.friend-link-section {
    background: #f8faff !important;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.friend-links-wrapper {
    text-align: left;
    font-size: 14px;
    color: var(--text-gray);
}

.friend-links-label {
    color: var(--text-gray);
    margin-right: 15px;
    font-weight: 500;
}

.friend-links-wrapper a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
    margin: 0 5px;
}

.friend-links-wrapper a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.friend-links-sep {
    margin: 0 10px;
    color: var(--text-light);
}