/* ===== 重置 & 全局 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f9fafb;
    color: #1f2937;
    line-height: 1.6;
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航 ===== */
.navbar {
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 12px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    color: #0b8a5e;
    letter-spacing: -0.5px;
}
.logo span {
    color: #1f2937;
}
.logo .sub {
    font-size: 12px;
    font-weight: 400;
    color: #9ca3af;
    margin-left: 6px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
    list-style: none;
    font-weight: 500;
    font-size: 15px;
}
.nav-links a {
    color: #4b5563;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: #0b8a5e;
}
.nav-cta {
    background: #0b8a5e;
    color: white !important;
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    transition: background 0.2s;
}
.nav-cta:hover {
    background: #0a7a4e !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.menu-toggle span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: #1f2937;
    border-radius: 2px;
    transition: 0.2s;
}

/* ===== 通用 ===== */
section {
    padding: 70px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.section-sub {
    text-align: center;
    color: #6b7280;
    font-size: 18px;
    max-width: 720px;
    margin: 0 auto 40px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.btn-primary {
    display: inline-block;
    background: #0b8a5e;
    color: white;
    padding: 14px 36px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-align: center;
}
.btn-primary:hover {
    background: #0a7a4e;
    transform: scale(1.02);
}
.btn-outline {
    background: transparent;
    border: 2px solid #0b8a5e;
    color: #0b8a5e;
    padding: 12px 36px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: 0.2s;
}
.btn-outline:hover {
    background: #0b8a5e;
    color: white;
}

/* ===== Hero Banner ===== */
.hero {
    background: linear-gradient(135deg, #f0fdf6 0%, #e6f5ef 100%);
    padding: 60px 0 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 2.2fr auto 1.2fr;
    gap: 36px;
    align-items: center;
}

.hero-left {
    min-width: 0;
}

.hero h1 {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    white-space: nowrap;
}
.hero h1 .highlight {
    color: #0b8a5e;
}
.hero p {
    font-size: 18px;
    color: #4b5563;
    max-width: 520px;
    margin-bottom: 28px;
}

.hero-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.hero .badge-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-top: 24px;
}
.hero .badge-group span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    color: #1f2937;
    font-weight: 500;
}

/* ===== 中间二维码 ===== */
.hero-qr-middle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    flex-shrink: 0;
}

.hero-qr-middle-title {
    font-size: 14px;
    font-weight: 700;
    color: #0b8a5e;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
    text-align: center;
}

.hero-qr-middle-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hero-qr-middle-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.qr-placeholder-middle {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 16px;
    border: 2px dashed #d1d5db;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #6b7280;
    transition: border-color 0.2s;
    cursor: pointer;
    overflow: hidden;
}
.qr-placeholder-middle:hover {
    border-color: #0b8a5e;
}
.qr-placeholder-middle .qr-icon {
    font-size: 28px;
    line-height: 1;
}
.qr-placeholder-middle .qr-label {
    font-size: 9px;
    font-weight: 700;
    margin-top: 2px;
    color: #9ca3af;
}
.qr-placeholder-middle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

.hero-qr-middle-item .qr-name {
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    text-align: center;
}

/* ===== 右侧轮播 ===== */
.hero-carousel-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
    justify-self: center;
    width: 100%;
}

.phone-mock {
    background: #1f2937;
    border-radius: 28px;
    padding: 12px 8px 10px;
    max-width: 200px;
    width: 100%;
    color: white;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.phone-header {
    display: flex;
    justify-content: space-between;
    padding: 0 8px 4px 8px;
    font-weight: 500;
    font-size: 10px;
    color: #9ca3af;
}

.phone-content {
    background: #2d3748;
    border-radius: 16px;
    padding: 4px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.phone-content img {
    width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    transition: opacity 0.5s ease;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 5px;
    padding: 6px 0 2px 0;
}
.carousel-dots .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4a5568;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}
.carousel-dots .dot.active {
    background: #0b8a5e;
    transform: scale(1.3);
}
.carousel-dots .dot:hover {
    background: #6b7280;
}

.carousel-caption {
    margin-top: 10px;
    font-size: 16px;
    font-weight: 700;
    color: #0b8a5e;
    text-align: center;
    letter-spacing: 0.5px;
    min-height: 28px;
    transition: opacity 0.3s ease;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(4px);
    color: #1f2937;
    font-size: 18px;
    font-weight: 300;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    z-index: 10;
    user-select: none;
}
.carousel-arrow:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.carousel-arrow.prev {
    left: -14px;
}
.carousel-arrow.next {
    right: -14px;
}

/* ===== 小程序截图 ===== */
.screenshot-section {
    background: white;
}
.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.screenshot-item {
    aspect-ratio: 9 / 16;
    background: #f3f4f6;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-size: 14px;
    border: 2px dashed #d1d5db;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
    overflow: hidden;
    position: relative;
}
.screenshot-item .placeholder-icon {
    font-size: 36px;
    margin-bottom: 8px;
    opacity: 0.6;
}
.screenshot-item .placeholder-text {
    font-size: 13px;
    color: #9ca3af;
}
.screenshot-item:hover {
    border-color: #0b8a5e;
    background: #f0fdf6;
    box-shadow: 0 8px 24px rgba(11, 138, 94, 0.08);
}
.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.screenshot-item .badge-num {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 12px;
}

.trust-banner {
    margin-top: 28px;
    background: linear-gradient(135deg, #f0fdf6, #e6f5ef);
    border-radius: 20px;
    padding: 28px 32px;
    border: 1px solid #c6e6d9;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 30px;
}
.trust-banner .item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.trust-banner .item .icon {
    font-size: 28px;
    flex-shrink: 0;
}
.trust-banner .item .text {
    font-size: 14px;
    color: #1f2937;
    line-height: 1.4;
}
.trust-banner .item .text strong {
    color: #0b8a5e;
}

/* ===== 痛点 ===== */
.pain-points {
    background: white;
    padding-top: 40px;
}
.pain-points .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.pain-points ul {
    list-style: none;
    padding: 0;
}
.pain-points ul li {
    padding: 10px 0;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}
.pain-points ul li::before {
    content: "✕";
    color: #ef4444;
    font-weight: 700;
    font-size: 18px;
}
.pain-points .right ul li::before {
    color: #f59e0b;
}

/* ===== 用户优势 ===== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}
.advantage-card {
    background: white;
    border-radius: 20px;
    padding: 28px 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.03);
    border: 1px solid #f0f0f0;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}
.advantage-card .icon {
    font-size: 36px;
    margin-bottom: 12px;
}
.advantage-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1f2937;
}
.advantage-card p {
    color: #6b7280;
    font-size: 15px;
    line-height: 1.6;
}
.advantage-card .tag-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 8px;
    margin-top: 8px;
}
.advantage-card .tag-group .tag {
    background: #e6f5ef;
    color: #0b8a5e;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 14px;
}

/* ===== 系统优势（图标与标题同行） ===== */
.system-advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}
.system-advantage-item {
    background: white;
    border-radius: 20px;
    padding: 24px 20px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    transition: transform 0.2s, box-shadow 0.2s;
}
.system-advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}
.system-advantage-item h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #1f2937;
}
.system-advantage-item h4 .icon {
    font-size: 18px;
    line-height: 1;
    flex-shrink: 0;
}
.system-advantage-item p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}
.system-advantage-item .highlight {
    color: #0b8a5e;
    font-weight: 600;
}

/* ===== 商家 ===== */
.merchant-benefits {
    background: white;
    padding-top: 40px;
}
.merchant-benefits .grid-2 {
    gap: 40px;
}
.benefit-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 20px;
}
.benefit-item .num {
    background: #0b8a5e;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}
.benefit-item h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 2px;
}
.benefit-item p {
    color: #6b7280;
    font-size: 15px;
}
.merchant-cta-card {
    background: #e6f5ef;
    border-radius: 24px;
    padding: 32px;
    text-align: center;
}

/* ===== 核心机制（3列） ===== */
.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mech-card {
    background: white;
    border-radius: 20px;
    padding: 28px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    transition: transform 0.2s, box-shadow 0.2s;
}
.mech-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}
.mech-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}
.mech-card ul {
    list-style: none;
    padding: 0;
}
.mech-card ul li {
    padding: 6px 0;
    display: flex;
    gap: 8px;
    align-items: baseline;
    font-size: 15px;
    color: #374151;
}
.mech-card ul li::before {
    content: "✓";
    color: #0b8a5e;
    font-weight: 700;
    font-size: 18px;
}

/* ===== 入驻流程 ===== */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}
.step {
    text-align: center;
    padding: 20px;
}
.step .num {
    background: #e6f5ef;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-weight: 800;
    font-size: 24px;
    color: #0b8a5e;
}
.step h4 {
    font-weight: 700;
}
.step p {
    color: #6b7280;
    font-size: 14px;
}

/* ===== CTA ===== */
.cta-section {
    background: #0b8a5e;
    color: white;
    text-align: center;
    padding: 70px 0 50px;
}
.cta-section h2 {
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-section > .container > p {
    font-size: 18px;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto 20px;
}

.cta-card {
    border-radius: 24px;
    padding: 32px 24px 28px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.cta-card .cta-card-icon {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}
.cta-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 8px;
}
.cta-card p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
    opacity: 0.9;
}
.cta-card .partner-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 10px;
    margin: 12px 0 16px;
}
.cta-card .partner-tags span {
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.9);
}

.btn-cta {
    display: inline-block;
    padding: 10px 32px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 14px;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}
.btn-cta:hover {
    transform: scale(1.04);
    box-shadow: 0 4px 16px rgba(255,255,255,0.3);
}

.cta-card-purple {
    background: linear-gradient(145deg, #7c3aed, #6d28d9);
    color: #ffffff;
}
.btn-cta-purple {
    background: #ffffff;
    color: #7c3aed;
}

.cta-card-blue {
    background: linear-gradient(145deg, #2563eb, #1d4ed8);
    color: #ffffff;
}
.btn-cta-blue {
    background: #ffffff;
    color: #2563eb;
}

.cta-card-gold {
    background: linear-gradient(145deg, #d97706, #b45309);
    color: #ffffff;
}
.btn-cta-gold {
    background: #ffffff;
    color: #b45309;
}

/* ===== 底部二维码区 ===== */
.footer-qr-section {
    margin-top: 40px;
    padding-top: 36px;
    border-top: 1px solid rgba(255,255,255,0.12);
}
.footer-qr-title {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}
.footer-qr-list {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}
.footer-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.qr-placeholder {
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.08);
    border-radius: 16px;
    border: 2px dashed rgba(255,255,255,0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: border-color 0.2s, background 0.2s;
    cursor: pointer;
    overflow: hidden;
}
.qr-placeholder:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.12);
}
.qr-placeholder .qr-icon {
    font-size: 32px;
}
.qr-placeholder .qr-label {
    font-size: 12px;
    font-weight: 600;
    margin-top: 4px;
}
.qr-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}
.footer-qr-item .qr-sub {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin: 0;
}
.footer-qr-hint {
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

/* ===== 页脚 ===== */
footer {
    background: #1f2937;
    color: #9ca3af;
    padding: 40px 0;
    font-size: 14px;
}
footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
footer .brand {
    color: white;
    font-weight: 700;
    font-size: 18px;
}
footer .brand .sub {
    font-size: 12px;
    font-weight: 400;
    color: #9ca3af;
    display: block;
    margin-top: 4px;
}
footer .links a {
    color: #d1d5db;
    margin-left: 24px;
    transition: color 0.2s;
}
footer .links a:hover {
    color: white;
}
footer .copy {
    width: 100%;
    margin-top: 20px;
    text-align: center;
    border-top: 1px solid #374151;
    padding-top: 20px;
    font-size: 13px;
}

/* ============================================================
   新增：城市合伙人模块（重新设计 · 移动端适配修复）
   ============================================================ */

/* ----- 容器 ----- */
.city-partners-section {
    background: #f9fafb;
    padding: 60px 0;
    overflow-x: hidden;
    width: 100%;
}

/* ----- 标题区域 ----- */
.city-partners-header {
    text-align: center;
    margin-bottom: 16px;
}

.city-partners-tag {
    display: inline-block;
    background: #e6f5ef;
    color: #0b8a5e;
    font-size: 13px;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: 20px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.city-partners-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.city-partners-title-highlight {
    color: #0b8a5e;
}

.city-partners-desc {
    color: #6b7280;
    font-size: 16px;
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.city-partners-desc strong {
    color: #1f2937;
}

/* ----- 数据统计卡片 ----- */
.city-partners-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 720px;
    margin: 24px auto 0;
}

.city-stat-card {
    background: white;
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.25s, box-shadow 0.25s;
}

.city-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.city-stat-icon {
    font-size: 24px;
    display: block;
    margin-bottom: 2px;
}

.city-stat-number {
    font-size: 28px;
    font-weight: 900;
    color: #0b8a5e;
}

.city-stat-label {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
    display: block;
}

/* ----- 城市标签 ----- */
.city-tags {
    max-width: 900px;
    margin: 28px auto 0;
    text-align: center;
    overflow: hidden;
}

.city-tags-label {
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 1px;
}

.city-tags-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.city-tags-group span {
    background: white;
    border: 1px solid #e8f0ee;
    border-radius: 20px;
    padding: 6px 18px;
    font-size: 13px;
    color: #1f2937;
    font-weight: 500;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    transition: border-color 0.2s, background 0.2s;
    white-space: nowrap;
}

.city-tags-group span:hover {
    border-color: #0b8a5e;
    background: #f0fdf6;
}

/* ----- 响应式适配：平板 ----- */
@media (max-width: 768px) {
    .city-partners-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        max-width: 100%;
    }
    .city-stat-number {
        font-size: 22px;
    }
    .city-stat-card {
        padding: 16px 12px;
    }
    .city-tags-group {
        gap: 8px;
    }
    .city-tags-group span {
        font-size: 12px;
        padding: 4px 14px;
    }
    .city-partners-desc {
        font-size: 15px;
        padding: 0 4px;
    }
}

/* ----- 响应式适配：手机 ----- */
@media (max-width: 480px) {
    .city-partners-section {
        padding: 40px 0;
    }
    .city-partners-title {
        font-size: 22px;
    }
    .city-partners-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .city-stat-number {
        font-size: 20px;
    }
    .city-stat-card {
        padding: 14px 10px;
    }
    .city-tags-group {
        gap: 6px;
    }
    .city-tags-group span {
        font-size: 11px;
        padding: 4px 12px;
    }
    .city-tags-label {
        font-size: 11px;
    }
    .city-partners-desc {
        font-size: 14px;
    }
    .city-partners-tag {
        font-size: 11px;
        padding: 3px 14px;
    }
}

/* ============================================================
   全平台投流模块样式（图片Logo）
   ============================================================ */
.platform-header {
    text-align: center;
    margin-bottom: 40px;
}

.platform-title {
    font-size: 32px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.platform-sub {
    color: #6b7280;
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}

.platform-item {
    background: #f8fafc;
    border-radius: 16px;
    padding: 20px 12px;
    text-align: center;
    border: 1px solid #f0f0f0;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: default;
}

.platform-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.platform-icon-img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 10px;
    display: block;
    background: #f0f0f0;
}

.platform-icon-img::before {
    content: "📷";
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #f3f4f6;
    color: #9ca3af;
    font-size: 24px;
}

.platform-name {
    font-weight: 700;
    font-size: 14px;
    color: #1f2937;
    display: block;
}

.platform-desc {
    font-size: 11px;
    color: #9ca3af;
    display: block;
    margin-top: 2px;
}

/* ============================================================
   新增：模态框样式（商家入驻 & 合作申请）
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.50);
    backdrop-filter: blur(4px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-y: auto;
    animation: fadeIn 0.25s ease;
}

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

.modal-container {
    background: #ffffff;
    border-radius: 28px;
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px 24px 32px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.20);
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: #f3f4f6;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    color: #4b5563;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-close:hover {
    background: #e5e7eb;
}

.modal-header {
    margin-bottom: 20px;
    padding-right: 30px;
}
.modal-header h2 {
    font-size: 24px;
    font-weight: 800;
    color: #1f2937;
    margin: 0 0 4px 0;
    letter-spacing: -0.3px;
}
.modal-header p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

.modal-body .form-group {
    margin-bottom: 18px;
}
.modal-body .label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 4px;
}
.modal-body .label .required {
    color: #ef4444;
}
.modal-body .label .optional {
    font-size: 12px;
    font-weight: 400;
    color: #9ca3af;
}
.modal-body .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: 12px;
    font-size: 15px;
    color: #1f2937;
    background: #fafbfc;
    transition: border-color 0.25s, box-shadow 0.25s;
    font-family: inherit;
}
.modal-body .form-control:focus {
    outline: none;
    border-color: #0b8a5e;
    box-shadow: 0 0 0 3px rgba(11, 138, 94, 0.12);
    background: #ffffff;
}
.modal-body .form-control::placeholder {
    color: #b0b8c4;
}
.modal-body textarea.form-control {
    resize: vertical;
    min-height: 80px;
}
.modal-body select.form-control {
    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 fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
}

/* 地图定位按钮 */
.btn-map {
    background: #0b8a5e;
    color: white;
    border: none;
    padding: 0 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}
.btn-map:hover {
    background: #0a7a4e;
}

/* 上传图片占位 */
.upload-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.upload-box {
    width: 80px;
    height: 80px;
    border: 2px dashed #d1d5db;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #f9fafb;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    color: #9ca3af;
    font-size: 12px;
    gap: 2px;
}
.upload-box:hover {
    border-color: #0b8a5e;
    background: #f0fdf6;
}
.upload-box span:first-child {
    font-size: 24px;
    font-weight: 300;
    line-height: 1;
}

/* 表单两列布局 */
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* 提交按钮 */
.btn-submit-form {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #d97706, #b45309);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 4px 16px rgba(180, 83, 9, 0.25);
    margin-top: 6px;
}
.btn-submit-form:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(180, 83, 9, 0.30);
}
.btn-submit-form:active {
    transform: scale(0.97);
}

/* 合作申请中的标签多选（复用已有样式） */
.modal-body .tag-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.modal-body .tag-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: #fafbfc;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    color: #4b5563;
}
.modal-body .tag-option:hover {
    border-color: #b45309;
    background: #fffbeb;
}
.modal-body .tag-option.active {
    border-color: #b45309;
    background: #fffbeb;
    color: #b45309;
}
.modal-body .tag-option .emoji {
    font-size: 18px;
}
.modal-body .tag-option .check {
    margin-left: auto;
    color: #b45309;
    font-weight: 700;
    opacity: 0;
    transition: opacity 0.2s;
}
.modal-body .tag-option.active .check {
    opacity: 1;
}
.modal-body .tag-option input[type="checkbox"] {
    display: none;
}
.modal-body .hint {
    font-size: 12px;
    color: #9ca3af;
    margin-top: 6px;
}

/* 模态框响应式 */
@media (max-width: 640px) {
    .modal-container {
        padding: 20px 16px 24px;
        border-radius: 20px;
        max-height: 95vh;
    }
    .modal-header h2 {
        font-size: 20px;
    }
    .modal-body .tag-group {
        grid-template-columns: 1fr 1fr;
    }
    .upload-box {
        width: 64px;
        height: 64px;
        font-size: 11px;
    }
    .upload-box span:first-child {
        font-size: 20px;
    }
    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .btn-map {
        padding: 0 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .modal-body .tag-group {
        grid-template-columns: 1fr;
    }
    .upload-group {
        gap: 8px;
    }
    .upload-box {
        width: 56px;
        height: 56px;
        font-size: 10px;
    }
    .upload-box span:first-child {
        font-size: 18px;
    }
}

/* ============================================================
   全局响应式
   ============================================================ */
@media (max-width: 1024px) {
    .grid-2 {
        gap: 30px;
    }
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .screenshot-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .trust-banner {
        grid-template-columns: repeat(2, 1fr);
    }
    .system-advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .mechanism-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .platform-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .hero-grid {
        grid-template-columns: 1.8fr auto 1.2fr;
        gap: 24px;
    }
    .hero h1 {
        font-size: 34px;
        white-space: normal;
    }
    .hero p {
        font-size: 16px;
        max-width: 100%;
    }
    .qr-placeholder-middle {
        width: 70px;
        height: 70px;
        font-size: 20px;
    }
    .qr-placeholder-middle .qr-icon {
        font-size: 24px;
    }
    .phone-mock {
        max-width: 170px;
    }
    .phone-content {
        min-height: 160px;
    }
    .phone-content img {
        max-height: 210px;
    }
    .cta-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .cta-card {
        padding: 24px 16px 20px;
    }
    .cta-card h3 {
        font-size: 17px;
    }
    .cta-card .cta-card-icon {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .pain-points {
        padding-top: 30px;
    }
    .merchant-benefits {
        padding-top: 30px;
    }

    .navbar .container {
        flex-wrap: wrap;
    }
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 10px;
        padding: 16px 0 8px;
        border-top: 1px solid #f0f0f0;
        margin-top: 10px;
    }
    .nav-links.open {
        display: flex;
    }
    .nav-links li {
        width: 100%;
    }
    .nav-links a {
        display: block;
        padding: 8px 0;
    }
    .nav-cta {
        text-align: center;
    }

    .hero h1 {
        font-size: 30px;
        white-space: normal;
    }
    .hero p {
        font-size: 16px;
    }
    .section-title {
        font-size: 26px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .hero-left {
        order: 1;
    }
    .hero-qr-middle {
        order: 2;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px 20px;
        padding: 16px 0;
        border-top: 1px solid rgba(11, 138, 94, 0.12);
        border-bottom: 1px solid rgba(11, 138, 94, 0.12);
    }
    .hero-qr-middle-title {
        width: 100%;
        margin-bottom: 4px;
        font-size: 13px;
    }
    .hero-qr-middle-list {
        flex-direction: row;
        gap: 16px;
    }
    .hero-carousel-wrapper {
        order: 3;
    }
    .qr-placeholder-middle {
        width: 64px;
        height: 64px;
        font-size: 18px;
        border-radius: 12px;
    }
    .qr-placeholder-middle .qr-icon {
        font-size: 22px;
    }
    .qr-placeholder-middle .qr-label {
        font-size: 8px;
    }
    .hero-qr-middle-item .qr-name {
        font-size: 11px;
    }
    .phone-mock {
        max-width: 150px;
    }
    .phone-content {
        min-height: 130px;
    }
    .phone-content img {
        max-height: 170px;
    }
    .carousel-arrow {
        width: 22px;
        height: 22px;
        font-size: 14px;
    }
    .carousel-arrow.prev {
        left: -10px;
    }
    .carousel-arrow.next {
        right: -10px;
    }

    .advantage-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    .system-advantage-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    .mechanism-grid {
        grid-template-columns: 1fr;
    }
    .pain-points .grid-2 {
        grid-template-columns: 1fr;
    }
    .steps {
        grid-template-columns: 1fr;
    }
    .screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    section {
        padding: 50px 0;
    }
    .trust-banner {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 14px;
    }
    .trust-banner .item .icon {
        font-size: 22px;
    }
    .trust-banner .item .text {
        font-size: 13px;
    }

    .merchant-benefits .grid-2 {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }
    .merchant-benefits .grid-2 > div:first-child {
        order: 2;
    }
    .merchant-benefits .grid-2 > div:last-child {
        order: 1;
    }

    .platform-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .platform-item {
        padding: 16px 8px;
    }
    .platform-icon-img {
        width: 48px;
        height: 48px;
    }
    .platform-name {
        font-size: 12px;
    }

    .cta-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        gap: 16px;
    }
    .cta-card {
        padding: 20px 16px;
    }
    .cta-card .partner-tags {
        gap: 4px 8px;
    }
    .cta-card .partner-tags span {
        font-size: 11px;
        padding: 3px 10px;
    }

    .footer-qr-list {
        gap: 16px;
    }
    .qr-placeholder {
        width: 80px;
        height: 80px;
    }
    .qr-placeholder .qr-icon {
        font-size: 26px;
    }
    .qr-placeholder .qr-label {
        font-size: 10px;
    }

    footer .links a {
        margin-left: 16px;
        display: inline-block;
        margin-top: 6px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .hero {
        padding: 30px 0 50px;
    }
    .hero h1 {
        font-size: 26px;
    }
    .hero p {
        font-size: 15px;
    }
    .btn-primary,
    .btn-outline {
        padding: 12px 28px;
        font-size: 14px;
        width: 100%;
        text-align: center;
    }
    .hero-btns {
        flex-direction: column;
        gap: 8px;
    }
    .badge-group span {
        font-size: 13px;
    }

    .screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .screenshot-item {
        border-radius: 14px;
    }
    .screenshot-item .placeholder-icon {
        font-size: 28px;
    }
    .screenshot-item .placeholder-text {
        font-size: 11px;
    }

    .phone-mock {
        max-width: 130px;
        padding: 8px 5px 6px;
        border-radius: 20px;
    }
    .phone-content {
        min-height: 110px;
        padding: 3px;
        border-radius: 12px;
    }
    .phone-content img {
        max-height: 150px;
    }
    .carousel-caption {
        font-size: 13px;
        margin-top: 6px;
    }
    .carousel-arrow {
        width: 20px;
        height: 20px;
        font-size: 13px;
    }

    .hero-qr-middle {
        gap: 10px 16px;
        padding: 12px 0;
    }
    .hero-qr-middle-title {
        font-size: 13px;
        margin-bottom: 6px;
    }
    .hero-qr-middle-list {
        flex-direction: row;
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero-qr-middle-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
    .qr-placeholder-middle {
        width: 56px;
        height: 56px;
        font-size: 14px;
        border-radius: 10px;
    }
    .qr-placeholder-middle .qr-icon {
        font-size: 16px;
    }
    .qr-placeholder-middle .qr-label {
        font-size: 6px;
    }
    .qr-placeholder-middle img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 10px;
    }
    .hero-qr-middle-item .qr-name {
        font-size: 9px;
    }

    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .platform-icon-img {
        width: 40px;
        height: 40px;
    }
    .platform-item {
        padding: 14px 6px;
    }

    .footer-qr-title {
        font-size: 15px;
    }
    .qr-placeholder {
        width: 70px;
        height: 70px;
    }
    .qr-placeholder .qr-icon {
        font-size: 22px;
    }
    .qr-placeholder .qr-label {
        font-size: 9px;
    }
    .qr-placeholder img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 16px;
    }
}