/* ========================================
   KuaiPaoCloud Group - 主样式表
   设计理念：深色商务 / 正式 / 克制 / 零渐变 / 零蓝色
   ======================================== */

/* ---------- CSS 变量 ---------- */
:root {
    --bg-dark: #161616;
    --bg-darker: #0f0f0f;
    --bg-card: #1c1c1c;
    --bg-card-hover: #222222;
    --bg-section-alt: #191919;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #6b6b6b;
    --accent: #4a9b7f;
    --accent-dark: #3a7d66;
    --accent-light: #5cb89a;
    --border: #2a2a2a;
    --border-light: #333333;
    --radius: 5px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
    --transition: all 0.25s ease;
    --nav-height: 64px;
    --container-max: 1200px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

/* ---------- 导航栏 ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(15, 15, 15, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 75px;
    width: auto;
    filter: brightness(1.1);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 8px 14px;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(74, 155, 127, 0.08);
}

.nav-link.active {
    color: var(--accent-light);
    background: rgba(74, 155, 127, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition);
}

/* ---------- Banner 首屏 ---------- */
.banner {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + 40px) 24px 60px;
    overflow: hidden;
    background: var(--bg-darker);
}

.banner-bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse 800px 400px at 50% 40%, rgba(74, 155, 127, 0.06) 0%, transparent 70%),
        linear-gradient(180deg, transparent 0%, var(--bg-darker) 100%);
    z-index: 0;
}

.banner-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    width: 100%;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.banner-title {
    margin-bottom: 24px;
}

.title-main {
    display: block;
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    line-height: 1.2;
}

.title-sub {
    display: block;
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 400;
    color: var(--accent);
    margin-top: 8px;
    letter-spacing: 4px;
}

.banner-tagline {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-weight: 300;
}

.banner-desc {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 480px;
    line-height: 1.8;
}

.banner-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 155, 127, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-light);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
}

.btn-block {
    width: 100%;
}

/* Banner 数据统计 */
.banner-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--accent-dark);
    transform: translateY(-2px);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-light);
    font-family: var(--font-mono);
    line-height: 1.2;
}

.stat-plus {
    font-size: 20px;
    color: var(--accent-light);
    font-weight: 600;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* 滚动指示器 */
.banner-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.banner-scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.banner-scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    animation: scrollAnim 2s infinite;
}

@keyframes scrollAnim {
    0% { top: 8px; opacity: 1; }
    100% { top: 22px; opacity: 0; }
}

/* ---------- 通用 Section 样式 ---------- */
.section {
    padding: 90px 0;
    position: relative;
}

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

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

.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-divider {
    width: 48px;
    height: 2px;
    background: var(--accent);
    margin: 0 auto 16px;
    border-radius: 1px;
}

.section-desc {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* 区块标题链接 */
.title-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.title-link:hover {
    color: var(--accent-light);
}

/* 了解更多链接 */
.section-more {
    display: inline-block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--accent-light);
    text-decoration: none;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.section-more:hover {
    color: var(--accent);
    transform: translateX(4px);
}

/* ---------- 关于我们 Section ---------- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--accent-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.about-card-icon {
    width: 44px;
    height: 44px;
    background: rgba(74, 155, 127, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.about-card-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent-light);
}

.about-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

/* ---------- 产品服务 Section ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    opacity: 0;
    transition: var(--transition);
}

.service-block:hover {
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.service-block:hover::before {
    opacity: 1;
}

.service-block-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.service-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-mono);
    background: rgba(74, 155, 127, 0.1);
    padding: 4px 10px;
    border-radius: var(--radius);
}

.service-block h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
}

.service-block p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-list li {
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    padding: 5px 12px;
    border-radius: var(--radius);
}

/* ---------- 基础设施 Section ---------- */
.infra-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.map-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

/* 中国地图轮廓 SVG 作为背景 */
.map-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 700'%3E%3Cpath d='M200,150 L250,120 L300,100 L350,110 L400,90 L450,100 L500,80 L550,95 L600,85 L650,100 L700,90 L750,110 L780,140 L760,170 L720,190 L680,210 L650,240 L620,270 L600,300 L580,330 L550,360 L520,390 L500,420 L480,450 L450,480 L420,500 L390,520 L360,540 L330,530 L300,500 L280,470 L260,440 L240,410 L220,380 L200,350 L180,320 L170,290 L160,260 L170,230 L180,200 Z' fill='%231a1a1a' stroke='%232a2a2a' stroke-width='1.5'/%3E%3C/svg%3E");
    background-size: cover;
    background-position: center;
    opacity: 0.6;
}

.map-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.map-lines line {
    stroke: var(--accent-dark);
    stroke-width: 0.3;
    stroke-dasharray: 1 0.5;
    opacity: 0.5;
}

.map-dot {
    position: absolute;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transform: translate(-50%, -50%);
    cursor: default;
}

.map-dot .dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
    transition: var(--transition);
}

.map-dot .dot-core {
    width: 12px;
    height: 12px;
    background: var(--accent-light);
    border-radius: 50%;
    border: 3px solid var(--bg-dark);
    box-shadow: 0 0 12px rgba(74, 155, 127, 0.4);
    animation: pulse 2.5s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 12px rgba(74, 155, 127, 0.4); }
    50% { box-shadow: 0 0 20px rgba(74, 155, 127, 0.7); }
}

.map-dot .dot-label {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    background: rgba(15,15,15,0.85);
    padding: 2px 8px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.map-dot .dot-label small {
    color: var(--accent);
    font-size: 10px;
    margin-left: 2px;
}

.map-dot:hover .dot {
    transform: scale(1.4);
    background: var(--accent-light);
}

.infra-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.infra-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.infra-card:hover {
    border-color: var(--accent-dark);
}

.infra-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 8px;
}

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

/* ---------- 可得财务 Section ---------- */
.kedai-section {
    background: var(--bg-section-alt);
}

.kedai-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    align-items: center;
}

.kedai-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(74, 155, 127, 0.1);
    border: 1px solid rgba(74, 155, 127, 0.2);
    padding: 4px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.kedai-main h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.kedai-main p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.kedai-main strong {
    color: var(--accent-light);
    font-weight: 700;
}

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

.kedai-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(74, 155, 127, 0.15);
    color: var(--accent-light);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    position: relative;
}

.feature-check::after {
    content: '';
    width: 5px;
    height: 9px;
    border: solid var(--accent-light);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
}

.kedai-data {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.data-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 3px solid var(--accent-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(74, 155, 127, 0.03);
    transition: var(--transition);
}

.data-circle:hover {
    border-color: var(--accent);
    background: rgba(74, 155, 127, 0.06);
}

.data-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-light);
    font-family: var(--font-mono);
}

.data-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---------- 乐雨丸 Section ---------- */
.leyuwan-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.leyuwan-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.leyuwan-info p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 28px;
}

.leyuwan-highlights {
    display: flex;
    gap: 32px;
    margin-bottom: 28px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.highlight-item {
    display: flex;
    flex-direction: column;
}

.highlight-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-light);
    font-family: var(--font-mono);
}

.highlight-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.leyuwan-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leyuwan-list li {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.leyuwan-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 1px;
}

/* 控制台模拟 */
.leyuwan-card-visual {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    font-family: var(--font-mono);
}

.visual-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: #151515;
    border-bottom: 1px solid var(--border);
}

.visual-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #333;
}

.visual-dot:nth-child(1) { background: #4a4a4a; }
.visual-dot:nth-child(2) { background: #3a3a3a; }
.visual-dot:nth-child(3) { background: #2a2a2a; }

.visual-title {
    margin-left: auto;
    margin-right: auto;
    font-size: 12px;
    color: var(--text-muted);
}

.visual-body {
    padding: 20px;
    min-height: 240px;
}

.console-line {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
    line-height: 1.6;
}

.console-line .prompt {
    color: var(--accent);
    margin-right: 8px;
    font-weight: 600;
}

.console-line .prompt.ok {
    color: var(--accent-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    position: relative;
}

.console-line .prompt.ok::after {
    content: '';
    width: 4px;
    height: 8px;
    border: solid var(--accent-light);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
}

.console-line .accent {
    color: var(--accent-light);
    font-weight: 600;
}

/* ---------- 合作伙伴 Section ---------- */
.partners-section {
    background: var(--bg-section-alt);
}

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

.partner-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.partner-card:hover {
    border-color: var(--accent-dark);
    transform: translateY(-3px);
}

.partner-logo-placeholder {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: rgba(74, 155, 127, 0.08);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--accent);
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
    padding: 4px;
}

.partner-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* ---------- 联系我们 Section ---------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--accent-dark);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(74, 155, 127, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent-light);
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-muted);
}

/* 表单 */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 155, 127, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%236b6b6b' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ---------- 页脚 ---------- */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: 56px 0 24px;
}

.footer-layout {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand .footer-logo {
    height: 55px;
    margin-bottom: 16px;
    filter: brightness(1.1);
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

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

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.footer-col a {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    padding: 5px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-light);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--text-muted);
}

/* ---------- 动画 ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ---------- 响应式：平板 ---------- */
@media (max-width: 1024px) {
    .banner-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .infra-layout {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .footer-layout {
        grid-template-columns: 1fr;
    }
}

/* ---------- 响应式：手机 ---------- */
@media (max-width: 768px) {
    :root {
        --nav-height: 56px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-darker);
        border-bottom: 1px solid var(--border);
        padding: 16px;
        gap: 4px;
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .nav-link {
        padding: 12px 16px;
        width: 100%;
        text-align: center;
    }

    .section {
        padding: 60px 0;
    }

    .banner {
        padding: 80px 16px 40px;
        min-height: auto;
    }

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

    .stat-item {
        padding: 16px 12px;
    }

    .stat-number {
        font-size: 28px;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .leyuwan-highlights {
        gap: 20px;
    }

    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .banner-actions {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }

    .data-circle {
        width: 130px;
        height: 130px;
    }

    .data-num {
        font-size: 24px;
    }
}