/*
 * 畅购互联科技有限公司官网 通用样式
 * 风格基调: 支付生态·绿色信任
 */

:root {
    --color-primary: #00B894;
    --color-primary-dark: #009472;
    --color-primary-light: #DBF5EE;
    --color-deep-green: #00A884;
    --color-accent-blue: #0984E3;
    --color-accent-orange: #FDCB6E;
    --color-bg: #F5F6FA;
    --color-card: #FFFFFF;
    --color-stroke: #E6E9EF;
    --color-text: #2D3436;
    --color-text-muted: #636E72;
    --color-dark: #1B262C;
    --gradient-hero: linear-gradient(135deg, #00B894 0%, #00A884 45%, #0984E3 100%);
    --gradient-cta: linear-gradient(120deg, rgba(0,184,148,0.95), rgba(0,168,132,0.95));

    --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-data: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;

    --max-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --shadow-sm: 0 8px 16px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 14px 35px rgba(0, 54, 34, 0.12);
    --shadow-lg: 0 24px 60px rgba(0, 60, 40, 0.18);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    padding-top: 96px;
}

a {
    color: var(--color-deep-green);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-blue);
}

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

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    position: relative;
}

.section {
    padding: 96px 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-eyebrow {
    font-size: 0.95rem;
    letter-spacing: 0.3em;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--gradient-cta);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-outline {
    border: 1px solid rgba(0, 184, 148, 0.4);
    color: var(--color-deep-green);
    background: rgba(255, 255, 255, 0.2);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--color-primary-dark);
    background: rgba(0, 184, 148, 0.12);
    border: 1px solid rgba(0, 184, 148, 0.2);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: rgba(9, 132, 227, 0.12);
    color: var(--color-accent-blue);
    font-weight: 500;
}

.card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

/* ===== Header & Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 30px rgba(15, 62, 37, 0.08);
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 20px 24px;
}

.brand {
    display: flex;
    flex-direction: column;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 0.08em;
}

.brand span {
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 500;
}

.primary-nav {
    flex: 1;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 18px;
    list-style: none;
    justify-content: flex-end;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 999px;
    color: var(--color-text);
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-item.active > .nav-link {
    background: rgba(0, 184, 148, 0.12);
    color: var(--color-primary-dark);
}

.nav-link .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent-blue);
    display: inline-block;
}

.has-children .submenu-toggle {
    display: none;
}

.dropdown-panel {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    background: #fff;
    padding: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    min-width: 210px;
}

.nav-item:hover > .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-panel a {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

.dropdown-panel a:hover {
    background: rgba(0, 184, 148, 0.08);
}

.menu-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: none;
    align-items: center;
    justify-content: center;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
    content: "";
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-dark);
    transition: transform 0.3s ease;
}

.menu-toggle span::before,
.menu-toggle span::after {
    position: relative;
}

.menu-toggle span::before {
    top: -6px;
}

.menu-toggle span::after {
    top: 4px;
}

.menu-toggle.active span {
    background: transparent;
}

.menu-toggle.active span::before {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle.active span::after {
    transform: translateY(-4px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
    padding: 120px 0 80px;
    background: var(--gradient-hero);
    color: #fff;
    border-bottom-left-radius: 80px;
    border-bottom-right-radius: 80px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.6rem, 4vw, 3.8rem);
    font-weight: 700;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-actions.center {
    justify-content: center;
}

.hero-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
}

.hero-data .metric {
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-data strong {
    font-size: 2rem;
    font-family: var(--font-data);
}

.hero-media {
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.hero-media img {
    border-radius: var(--radius-md);
}

.hero-media ul {
    list-style: none;
    margin-top: 24px;
    display: grid;
    gap: 12px;
}

.hero-media ul li {
    display: flex;
    gap: 10px;
    align-items: center;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero-media ul li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent-orange);
}

/* ===== Logo Marquee ===== */
.logo-marquee {
    overflow: hidden;
    padding: 48px 0;
}

.marquee-track {
    display: flex;
    gap: 64px;
    animation: marquee 16s linear infinite;
}


.marquee-item {
    flex: 0 0 auto;
    min-width: 150px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 184, 148, 0.2);
    color: var(--color-primary-dark);
    font-weight: 600;
    letter-spacing: 0.05em;
    background: rgba(0, 184, 148, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.marquee-item img {
    height: 36px;
    object-fit: contain;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ===== Product Cards ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 16px;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.product-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(0, 184, 148, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.product-card h3 {
    font-size: 1.4rem;
}

.product-card ul {
    list-style: none;
    color: var(--color-text-muted);
}

.product-card ul li::before {
    content: "•";
    color: var(--color-primary);
    margin-right: 6px;
}

/* ===== Stats ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.stat-card {
    background: #061A14;
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-value {
    font-size: 2.6rem;
    font-family: var(--font-data);
    margin: 12px 0;
}

/* ===== Scenario Tabs ===== */
.scenario-tabs {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.tab-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    border-bottom: 1px solid var(--color-stroke);
}

.tab-list li {
    flex: 1;
}

.tab-button {
    width: 100%;
    padding: 18px;
    font-weight: 600;
    color: var(--color-text-muted);
    border-bottom: 3px solid transparent;
    transition: color 0.2s ease, border 0.2s ease;
}

.tab-button.active {
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
    background: rgba(0, 184, 148, 0.08);
}

.tab-panels {
    padding: 40px;
}

.tab-panel {
    display: none;
    gap: 32px;
}

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

.tab-panel img {
    border-radius: var(--radius-md);
}

.tab-panel ul {
    list-style: none;
}

.tab-panel ul li {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--color-text-muted);
}

.tab-panel ul li::before {
    content: "✔";
    color: var(--color-primary);
}

/* ===== Flow Steps ===== */
.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 18px;
}

.flow-step {
    border-radius: var(--radius-md);
    padding: 24px;
    background: var(--color-card);
    border: 1px solid rgba(0, 184, 148, 0.15);
    position: relative;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.flow-step.active {
    border-color: var(--color-accent-blue);
    box-shadow: var(--shadow-md);
}

.flow-step::after {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 184, 148, 0.1), rgba(0, 184, 148, 0.9));
}

.flow-step:last-child::after {
    display: none;
}

.step-index {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(9, 132, 227, 0.12);
    color: var(--color-accent-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 12px;
}

/* ===== Case Slider ===== */
.case-slider {
    position: relative;
    overflow: hidden;
}

.case-track {
    display: flex;
    transition: transform 0.5s ease;
    gap: 24px;
}

.case-slide {
    min-width: calc(33.333% - 16px);
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.case-slide ul {
    list-style: none;
    margin-top: 16px;
    display: grid;
    gap: 8px;
    color: var(--color-text-muted);
}

.case-slide ul li::before {
    content: "↗";
    margin-right: 6px;
    color: var(--color-primary);
}

.slider-controls {
    position: absolute;
    top: -72px;
    right: 0;
    display: flex;
    gap: 12px;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

/* ===== Partner Grid & CTA ===== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 24px;
    align-items: center;
}

.partner-grid img {
    filter: grayscale(1);
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.partner-grid img:hover {
    opacity: 1;
    filter: grayscale(0);
}

.cta-banner {
    background: var(--gradient-cta);
    border-radius: var(--radius-lg);
    padding: 56px;
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-banner h2 {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

/* ===== Page Templates ===== */
.page-hero {
    padding: 72px 0;
    background: #fff;
    border-bottom: 1px solid var(--color-stroke);
}

.page-hero h1 {
    font-size: 2.6rem;
    margin-bottom: 16px;
}

.breadcrumbs {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.info-card {
    background: var(--color-card);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: var(--shadow-sm);
}

.timeline {
    display: grid;
    gap: 24px;
}

.timeline-item {
    background: var(--color-card);
    border-left: 4px solid var(--color-primary);
    padding: 24px 28px;
    border-radius: var(--radius-md);
}

.data-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.data-item {
    background: rgba(0, 184, 148, 0.08);
    border: 1px solid rgba(0, 184, 148, 0.2);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
}

.tab-wrapper {
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
}

.tab-buttons button {
    flex: 1;
    padding: 18px;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    font-weight: 600;
}

.tab-buttons button.active {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    background: rgba(0, 184, 148, 0.05);
}

.tab-content {
    padding: 32px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.contact-card {
    background: var(--color-card);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.policy-list {
    display: grid;
    gap: 24px;
}

.policy-item {
    background: #fff;
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-stroke);
}

.list-check {
    list-style: none;
    display: grid;
    gap: 12px;
    color: var(--color-text-muted);
}

.list-check li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.list-check li::before {
    content: "✔";
    color: var(--color-primary);
    font-weight: 700;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.form-control {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-control label {
    font-weight: 600;
    color: var(--color-text);
}

.form-control input,
.form-control select,
.form-control textarea {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-stroke);
    background: #fff;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control input:focus,
.form-control select:focus,
.form-control textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
}

.form-control textarea {
    min-height: 140px;
    resize: vertical;
}

.job-card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.job-card-header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.job-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
    background: #041310;
    color: rgba(255, 255, 255, 0.8);
    padding: 72px 0 32px;
    margin-top: 120px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.site-footer h4,
.site-footer h3 {
    color: #fff;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: grid;
    gap: 8px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
    .case-slide {
        min-width: calc(50% - 16px);
    }
}

@media (max-width: 991px) {
    body {
        padding-top: 88px;
    }

    .nav-menu {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.65);
        backdrop-filter: blur(6px);
        flex-direction: column;
        justify-content: center;
        gap: 18px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
    }

    .nav-menu.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-menu > .nav-item {
        text-align: center;
    }

    .dropdown-panel {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.08);
        box-shadow: none;
        border-radius: var(--radius-sm);
    }

    .has-children .submenu-toggle {
        display: inline-flex;
        margin-left: 8px;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(0, 184, 148, 0.15);
        color: var(--color-primary);
        align-items: center;
        justify-content: center;
    }

    .has-children.collapsed .dropdown-panel {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }
}

@media (max-width: 767px) {
    .hero {
        padding-top: 60px;
        border-bottom-left-radius: 40px;
        border-bottom-right-radius: 40px;
    }

    .hero-grid {
        gap: 32px;
    }

    .tab-list {
        flex-direction: column;
    }

    .tab-panels {
        padding: 24px;
    }

    .case-slide {
        min-width: 100%;
    }

    .flow-step::after {
        display: none;
    }
}

@media (max-width: 575px) {
    body {
        font-size: 15px;
    }

    .section {
        padding: 72px 0;
    }

    .card {
        padding: 24px;
    }

    .cta-banner {
        padding: 36px 24px;
    }

    .nav-container {
        padding: 16px 18px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

@media (min-width: 1200px) and (max-width: 1399px) {
    body {
        font-size: 17px;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    body {
        font-size: 16px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    body {
        font-size: 16px;
    }
}

@media (min-width: 576px) and (max-width: 767px) {
    body {
        font-size: 15.5px;
    }
}