/* ============================================
   河南鲜卫供应链管理有限公司 - 官网全局样式
   设计系统 V3.0 — 暖厨配色
   主色: 陶土橙 #c4451e (温暖/餐饮/食欲感)
   强调色: 金琥珀 #f4a022 (明亮/金黄/吸引力)
   页脚: 深咖啡棕 #2d1a0f
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
    --primary: #c4451e;
    --primary-light: #d96537;
    --primary-dark: #9a3415;
    --accent: #f4a022;
    --accent-light: #ffc04d;
    --accent-dark: #cc8419;
    --gold: #e8b73a;
    --bg-white: #ffffff;
    --bg-light: #faf6f0;
    --bg-gray: #faf8f5;
    --text-dark: #2d1810;
    --text-medium: #6b5544;
    --text-light: #9a8a7a;
    --border-color: #e8ddd0;
    --shadow-sm: 0 2px 8px rgba(196,69,30,0.06);
    --shadow-md: 0 4px 20px rgba(196,69,30,0.1);
    --shadow-lg: 0 8px 40px rgba(196,69,30,0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --nav-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ===== 通用容器 ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ===== 通用按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244,160,34,0.35);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.6);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

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

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

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

.btn-accent-outline:hover {
    background: var(--accent);
    color: #fff;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* ===== 通用标题 ===== */
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    margin: 0 auto 48px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.nav-logo .logo-icon {
    width: 52px;
    height: 52px;
    background: transparent;
    border-radius: 8px;
    object-fit: contain;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.nav-logo .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.nav-logo .logo-text .name {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.nav-logo .logo-text .tagline {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 400;
}

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

.nav-menu > li > a {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--accent);
}

.nav-menu > li > a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

/* 下拉菜单 */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a::after {
    content: '▾';
    margin-left: 4px;
    font-size: 12px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #fff;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    padding: 8px;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-dark);
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--accent);
}

.nav-cta {
    margin-left: 16px;
    padding: 10px 24px !important;
    background: var(--accent);
    color: #fff !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--accent-dark) !important;
    color: #fff !important;
}

/* 汉堡菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transition: var(--transition);
}

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

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

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

/* ===== 页面Banner通用 ===== */
.page-banner {
    margin-top: var(--nav-height);
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.05"><circle cx="20" cy="30" r="15"/><circle cx="70" cy="60" r="20"/><circle cx="50" cy="80" r="10"/></svg>');
    background-size: 300px;
}

.page-banner h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
}

.page-banner p {
    font-size: 20px;
    opacity: 0.85;
    position: relative;
}

/* ===== 首页Banner ===== */
.hero-banner {
    margin-top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
    min-height: 600px;
    max-height: 800px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #9a3415 0%, #c4451e 40%, #d96537 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><linearGradient id="g1" x1="0" y1="0" x2="0" y2="1"><stop offset="0" stop-color="%23c4451e" stop-opacity="0.9"/><stop offset="1" stop-color="%239a3415" stop-opacity="0.95"/></linearGradient></defs><rect width="1200" height="800" fill="url(%23g1)"/><g opacity="0.06" fill="%23fff"><circle cx="100" cy="150" r="80"/><circle cx="300" cy="400" r="120"/><circle cx="600" cy="200" r="60"/><circle cx="900" cy="500" r="100"/><circle cx="1100" cy="300" r="70"/><circle cx="500" cy="650" r="90"/></g><g opacity="0.05" fill="%23f4a022"><circle cx="200" cy="600" r="50"/><circle cx="800" cy="150" r="40"/><circle cx="1000" cy="650" r="60"/></g></svg>');
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    padding: 0 24px;
    animation: fadeInUp 1s ease;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-content .hero-subtitle {
    font-size: 22px;
    opacity: 0.9;
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    text-align: center;
    animation: bounce 2s infinite;
}

.hero-scroll .arrow {
    display: block;
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255,255,255,0.5);
    border-bottom: 2px solid rgba(255,255,255,0.5);
    transform: rotate(45deg);
    margin: 8px auto 0;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

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

/* ===== Section 通用 ===== */
.section {
    padding: 80px 0;
}

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

.section-bg-primary {
    background: var(--primary);
    color: #fff;
}

.section-bg-primary .section-title {
    color: #fff;
}

.section-bg-primary .section-subtitle {
    color: rgba(255,255,255,0.7);
}

/* ===== 核心定位陈述 (三列) ===== */
.positioning-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.positioning-card {
    text-align: center;
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.positioning-card .icon {
    width: 100%;
    max-width: 280px;
    height: 180px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    object-fit: cover;
    display: block;
    margin: 0 auto 24px;
}

.positioning-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.positioning-card p {
    color: var(--text-medium);
    font-size: 15px;
    line-height: 1.8;
}

.positioning-summary {
    text-align: center;
    margin-top: 56px;
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(90deg, #f4a022 0%, #e85a2c 45%, #d63d1a 100%);
    padding: 40px 56px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(196, 69, 30, 0.28);
    letter-spacing: 0.5px;
    line-height: 1.4;
}

/* ===== 三大场景卡片 ===== */
.scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.scene-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.scene-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.scene-card .scene-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 72px;
    position: relative;
    overflow: hidden;
}

.scene-card .scene-image.scene-breakfast {
    background: linear-gradient(135deg, #fff8e7, #ffecb3);
}

.scene-card .scene-image.scene-takeout {
    background: linear-gradient(135deg, #fff0e6, #ffe0cc);
}

.scene-card .scene-image.scene-fastfood {
    background: linear-gradient(135deg, #f9f0e3, #f0e0c0);
}

/* 6 张图模式：每个场景 2 张图（菜品 + 门店） */
.scene-card .scene-image-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 200px;
    gap: 2px;
    background: #fff;
    overflow: hidden;
}

.scene-card .scene-image-half {
    background-size: cover;
    background-position: center;
    background-color: #faf6f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 13px;
    transition: transform 0.3s;
}

.scene-card .scene-image-half.empty {
    background: linear-gradient(135deg, #faf6f0, #f0e8d8);
    color: var(--text-light);
    font-size: 13px;
    flex-direction: column;
    gap: 6px;
}

.scene-card:hover .scene-image-half:not(.empty) {
    transform: scale(1.05);
}

.scene-card .scene-image-half.empty::before {
    content: '+';
    display: block;
    font-size: 32px;
    color: var(--primary);
    font-weight: 300;
    line-height: 1;
}

.scene-card .scene-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.scene-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.scene-card .scene-label {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 6px;
}

.scene-card .scene-value {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 16px;
}

.scene-card .scene-value:last-of-type {
    flex: 1;
}

/* ===== 服务能力链 (流程图) ===== */
.service-chain {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    margin-top: 48px;
    flex-wrap: wrap;
}

.chain-step {
    flex: 1;
    min-width: 160px;
    text-align: center;
    padding: 32px 16px;
    position: relative;
}

.chain-step .chain-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #fff;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 16px;
    transition: var(--transition);
    border: 3px solid var(--accent);
}

.chain-step:hover .chain-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.chain-step h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}

.chain-step p {
    font-size: 13px;
    color: var(--text-light);
}

.chain-arrow {
    display: flex;
    align-items: center;
    color: var(--accent);
    font-size: 24px;
    padding: 0 4px;
}

/* ===== 0元上新 亮点板块 ===== */
.highlight-zero {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.highlight-zero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.highlight-zero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.highlight-zero .zero-number {
    font-size: 80px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 16px;
    position: relative;
}

.highlight-zero h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

.highlight-zero .zero-desc {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 32px;
    opacity: 0.95;
    position: relative;
}

.highlight-zero .zero-note {
    font-size: 13px;
    opacity: 0.7;
    margin-top: 16px;
    position: relative;
}

/* ===== 老冯讲餐饮 IP 简介 ===== */
.ip-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    align-items: center;
    margin-top: 48px;
}

.ip-avatar {
    text-align: center;
}

.ip-avatar .avatar-circle {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 100px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.ip-avatar .avatar-circle .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    border-radius: 50%;
    display: block;
}

.ip-avatar .avatar-circle::after {
    content: '老冯';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 4px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 700;
}

.ip-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.ip-info .ip-desc {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: 20px;
}

.ip-info .ip-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.ip-info .ip-meta span {
    font-size: 14px;
    color: var(--text-light);
}

.ip-info .ip-meta strong {
    color: var(--primary);
}

/* ===== 为什么选择我们 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.advantage-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: var(--radius-md);
    background: #fff;
    transition: var(--transition);
    border-top: 4px solid var(--accent);
}

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

.advantage-card .adv-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(244,160,34,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
}

.advantage-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.advantage-card .adv-tag {
    display: inline-block;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
}

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

/* ===== 合作案例卡片 ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.case-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.case-card .case-header {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #fff;
    font-weight: 700;
}

.case-card .case-header.bg-breakfast {
    background: linear-gradient(135deg, #f4a022, #ffc04d);
}

.case-card .case-header.bg-takeout {
    background: linear-gradient(135deg, #d4521a, #e8702e);
}

.case-card .case-header.bg-fastfood {
    background: linear-gradient(135deg, #b5651d, #d4881a);
}

.case-card .case-body {
    padding: 24px;
}

.case-card .case-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-card .case-tag.tag-breakfast {
    background: rgba(244,160,34,0.1);
    color: var(--accent-dark);
}

.case-card .case-tag.tag-takeout {
    background: rgba(212,82,26,0.1);
    color: #d4521a;
}

.case-card .case-tag.tag-fastfood {
    background: rgba(181,101,29,0.1);
    color: #b5651d;
}

.case-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.case-card .case-desc {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 12px;
}

.case-card .case-result {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
}

/* ===== 底部CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.03"><circle cx="50" cy="50" r="30"/></svg>');
    background-size: 200px;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 32px;
    position: relative;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ===== 页脚 ===== */
.footer {
    background: #2d1a0f;
    color: #ccc;
    padding: 60px 0 24px;
}

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

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

.footer-brand .footer-logo .logo-icon {
    width: 48px;
    height: 48px;
    background: transparent;
    border-radius: 8px;
    object-fit: contain;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
}

.footer-brand .footer-logo span {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

.footer-brand .slogan {
    font-size: 15px;
    color: #999;
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    color: #999;
}

.footer-links ul li a:hover {
    color: var(--accent);
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 14px;
    color: #999;
}

.footer-contact .contact-item .icon {
    font-size: 16px;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-qrcode {
    display: flex;
    gap: 24px;
    margin-top: 20px;
}

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

.qrcode-item .qr-box {
    width: 90px;
    height: 90px;
    background: #fff;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 8px;
}

.qrcode-item .qr-label {
    font-size: 12px;
    color: #999;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: #666;
}

/* ===== 浮动按钮 ===== */
.float-buttons {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    font-size: 24px;
    border: none;
}

.float-consult {
    background: var(--accent);
    color: #fff;
    position: relative;
}

.float-consult:hover {
    background: var(--accent-dark);
    transform: scale(1.1);
}

.float-consult .consult-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-consult:hover .consult-tooltip {
    opacity: 1;
    visibility: visible;
}

.float-top {
    background: var(--primary);
    color: #fff;
    opacity: 0;
    visibility: hidden;
}

.float-top.visible {
    opacity: 1;
    visibility: visible;
}

.float-top:hover {
    background: var(--primary-light);
    transform: scale(1.1);
}

/* ===== 咨询弹窗 ===== */
.consult-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.consult-modal .modal-content {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 480px;
    width: 90%;
    transform: scale(0.9);
    transition: var(--transition);
}

.consult-modal.active .modal-content {
    transform: scale(1);
}

.consult-modal .modal-close {
    float: right;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}

.consult-modal h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 8px;
}

.consult-modal .modal-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 24px;
}

/* ===== 表单样式 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group label .required {
    color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-dark);
    background: #fff;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(244,160,34,0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

/* ===== 场景方案页面专用 ===== */
.pain-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.pain-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius-md);
    background: #fff;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.pain-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.pain-card .pain-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.pain-card h4 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 8px;
}

.pain-card p {
    font-size: 14px;
    color: var(--text-medium);
}

.solution-list {
    margin-top: 48px;
}

.solution-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    border-radius: var(--radius-md);
    background: #fff;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.solution-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.solution-item .sol-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(244,160,34,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.solution-item .sol-content h4 {
    font-size: 17px;
    color: var(--primary);
    margin-bottom: 6px;
}

.solution-item .sol-content p {
    font-size: 14px;
    color: var(--text-medium);
}

/* 菜品示例网格 */
.dish-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.dish-card {
    text-align: center;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.dish-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.dish-card .dish-image {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    background: linear-gradient(135deg, var(--bg-warm, #fff8e7), var(--bg-warm-2, #ffecb3));
    overflow: hidden;
}

.dish-card .dish-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 动态渲染的图片适配 */
.video-card .video-thumb img,
.ip-hero .ip-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-card .video-thumb img {
    position: absolute;
    inset: 0;
}

.video-card .video-thumb {
    overflow: hidden;
}

.video-card .video-thumb .play-icon {
    z-index: 1;
    position: relative;
}

.dish-card .dish-body {
    padding: 20px;
}

.dish-card h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 6px;
}

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

/* ===== 关于我们页面 ===== */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-intro .about-text h3 {
    font-size: 26px;
    color: var(--primary);
    margin-bottom: 20px;
}

.about-intro .about-text p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-intro .about-visual {
    height: 360px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 80px;
}

/* 时间轴 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 48px auto 0;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--accent);
}

.timeline-item .timeline-year {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}

.timeline-item h4 {
    font-size: 17px;
    color: var(--primary);
    margin-bottom: 6px;
}

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

/* ===== 价值体系横向时间轴 ===== */
.value-system {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}

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

@media (max-width: 600px) {
    .value-system {
        grid-template-columns: 1fr;
    }
}

.value-step {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border-top: 4px solid var(--primary);
}

.value-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.value-step .step-number {
    position: absolute;
    top: -24px;
    left: 24px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), #f4a022);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(196, 69, 30, 0.3);
}

.value-step .step-icon {
    font-size: 36px;
    margin: 16px 0 12px;
    display: block;
}

.value-step h4 {
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.value-step p {
    color: var(--text-medium);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

/* 企业愿景 */
.vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.vision-card {
    text-align: center;
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(196,69,30,0.05), rgba(244,160,34,0.05));
}

.vision-card .vision-label {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
}

.vision-card h4 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.vision-card p {
    font-size: 14px;
    color: var(--text-medium);
}

/* 资质荣誉 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.honor-item {
    text-align: center;
    padding: 32px 16px;
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.honor-item .honor-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.honor-item h5 {
    font-size: 14px;
    color: var(--primary);
}

/* ===== 老冯讲餐饮页面 ===== */
.ip-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 48px;
}

.ip-hero .ip-photo {
    height: 400px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    color: rgba(255,255,255,0.3);
    box-shadow: var(--shadow-md);
}

.ip-hero .ip-detail h3 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 20px;
}

.ip-hero .ip-detail p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: 16px;
}

.ip-hero .ip-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.ip-hero .ip-topics span {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    background: rgba(196,69,30,0.08);
    color: var(--primary);
    font-weight: 500;
}

/* 视频网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.video-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.video-card .video-thumb {
    height: 180px;
    background: linear-gradient(135deg, #c4451e, #d96537);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.video-card .video-thumb .play-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: 3px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    transition: var(--transition);
}

.video-card .video-thumb:hover .play-icon {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.1);
}

.video-card .video-info {
    padding: 20px;
}

.video-card .video-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 12px;
    background: rgba(244,160,34,0.1);
    color: var(--accent-dark);
    margin-bottom: 8px;
}

.video-card h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 6px;
}

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

/* 内容栏目 */
.column-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.column-card {
    padding: 32px 24px;
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--accent);
}

.column-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.column-card .col-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.column-card h4 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 8px;
}

.column-card p {
    font-size: 14px;
    color: var(--text-medium);
}

/* ===== 联系我们页面 ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 48px;
}

.contact-info-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
}

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

.contact-info-card .info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-info-card .info-item .icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-card .info-item .info-text h5 {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.contact-info-card .info-item .info-text p {
    font-size: 16px;
    font-weight: 600;
}

.contact-form-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-card h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 8px;
}

.contact-form-card .form-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 28px;
}

/* 二维码查看器（左小图 → 右大图放大） */
.qr-viewer {
    display: flex;
    gap: 24px;
    align-items: stretch;
}

.qr-viewer-single {
    display: block;
}

.qr-tabs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 120px;
    justify-content: center;
}

.qr-tab {
    padding: 14px 16px;
    border: 2px solid #eee;
    border-radius: 12px;
    background: #fff;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-medium);
    cursor: pointer;
    text-align: center;
    transition: all .25s;
}

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

.qr-tab.active {
    border-color: var(--primary);
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 6px 16px rgba(196, 69, 30, 0.25);
}

/* 左侧"扫码关注我们"三个小二维码可点击项 */
.qr-trigger-item {
    padding: 6px 8px;
    border-radius: 12px;
    border: 2px solid transparent;
    transition: all .25s;
}

.qr-trigger-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.qr-trigger-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.qr-trigger-item.active .qr-trigger-img {
    transform: scale(1.04);
}

.qr-trigger-img {
    transition: transform .25s;
}

.qr-stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: var(--bg);
    border: 1px dashed #e8e0d5;
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    min-height: 320px;
}

.qr-stage img {
    width: 220px;
    height: 220px;
    object-fit: contain;
    background: #fff;
    border-radius: 12px;
    padding: 8px;
    box-shadow: var(--shadow-sm);
    transition: opacity .3s;
}

.qr-stage p {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-medium);
    margin: 0;
}

@media (max-width: 768px) {
    .qr-viewer {
        flex-direction: column;
    }
    .qr-tabs {
        flex-direction: row;
        min-width: 0;
    }
    .qr-tab {
        flex: 1;
        padding: 12px 8px;
        font-size: 14px;
    }
    .qr-stage {
        min-height: 260px;
    }
    .qr-stage img {
        width: 180px;
        height: 180px;
    }
}

/* ===== 产品服务页面 ===== */
.service-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 80px;
}

.service-block:last-child {
    margin-bottom: 0;
}

.service-block.reverse {
    direction: rtl;
}

.service-block.reverse > * {
    direction: ltr;
}

.service-block .service-visual {
    height: 320px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: rgba(255,255,255,0.4);
}

.service-block .service-visual.bg-1 {
    background: linear-gradient(135deg, #f4a022, #ffc04d);
}

.service-block .service-visual.bg-2 {
    background: linear-gradient(135deg, #c4451e, #d96537);
}

.service-block .service-visual.bg-3 {
    background: linear-gradient(135deg, #b5651d, #d4881a);
}

.service-block .service-visual.bg-4 {
    background: linear-gradient(135deg, #2e7d32, #43a047);
}

.service-block .service-text h3 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 16px;
}

.service-block .service-text p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: 16px;
}

.service-block .service-text ul {
    margin-bottom: 24px;
}

.service-block .service-text ul li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 15px;
    color: var(--text-medium);
}

.service-block .service-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== 404 页面 ===== */
.error-page {
    margin-top: var(--nav-height);
    min-height: calc(100vh - var(--nav-height));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg-light);
}

.error-page .error-code {
    font-size: 120px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.error-page h2 {
    font-size: 28px;
    color: var(--text-dark);
    margin: 16px 0;
}

.error-page p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 32px;
}

/* ===== 动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== 轮播海报组件 ===== */
.carousel {
    margin-top: var(--nav-height);
    position: relative;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #9a3415 0%, #c4451e 40%, #d96537 100%);
}

/* 首页轮播：全屏高度 */
.carousel.carousel-hero {
    height: calc(100vh - var(--nav-height));
    min-height: 500px;
    max-height: 800px;
}

/* 内页轮播：标准横幅高度 */
.carousel.carousel-banner {
    height: 400px;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

/* 背景图 */
.carousel-slide .slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 无背景图时的渐变兜底 */
.carousel-slide.no-image .slide-bg {
    background: linear-gradient(135deg, #9a3415 0%, #c4451e 40%, #d96537 100%);
}

/* 蒙层 */
.carousel-slide .slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.5) 100%);
}

/* 文字内容 */
.carousel-slide .slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    padding: 0 24px;
}

.carousel-slide .slide-content h2 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 18px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.carousel.carousel-banner .slide-content h2 {
    font-size: 38px;
}

.carousel-slide .slide-content .slide-subtitle {
    font-size: 22px;
    font-weight: 600;
    color: #ffd54f;
    opacity: 1;
    margin-bottom: 32px;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5), 0 0 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
    line-height: 1.6;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .carousel-slide .slide-content .slide-subtitle {
        font-size: 18px;
        letter-spacing: 0.5px;
        margin-bottom: 24px;
    }
}

.carousel.carousel-banner .slide-content .slide-subtitle {
    font-size: 18px;
    margin-bottom: 0;
}

.carousel-slide .slide-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 轮播指示点 */
.carousel-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    padding: 0;
}

.carousel-dot.active {
    background: var(--accent);
    transform: scale(1.3);
}

.carousel-dot:hover {
    background: rgba(255,255,255,0.7);
}

/* 轮播箭头 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    color: #fff;
    font-size: 20px;
}

.carousel-arrow:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.6);
}

.carousel-arrow.prev {
    left: 24px;
}

.carousel-arrow.next {
    right: 24px;
}

/* 单张海报时隐藏导航控件 */
.carousel.single .carousel-dots,
.carousel.single .carousel-arrow {
    display: none;
}

/* ===== 响应式适配 ===== */
@media (max-width: 768px) {
    .carousel-slide .slide-content h2 {
        font-size: 26px;
    }
    .carousel.carousel-banner .slide-content h2 {
        font-size: 22px;
    }
    .carousel-slide .slide-content .slide-subtitle {
        font-size: 15px;
    }
    .carousel-arrow {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    .carousel-arrow.prev { left: 12px; }
    .carousel-arrow.next { right: 12px; }
    .carousel.carousel-banner {
        height: 300px;
    }
}

/* ===== 响应式适配 ===== */
@media (max-width: 1024px) {
    .positioning-grid,
    .scene-grid,
    .cases-grid,
    .dish-grid,
    .video-grid,
    .column-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .service-chain {
        gap: 16px;
    }

    .chain-step {
        min-width: 140px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
    }

    /* 移动端导航 */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 4px;
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-menu.active {
        max-height: 600px;
        overflow-y: auto;
    }

    .nav-menu > li > a {
        padding: 12px 16px;
        font-size: 16px;
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        padding-left: 24px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-dropdown.active .dropdown-menu {
        max-height: 200px;
    }

    .nav-cta {
        margin: 8px 0 0;
        text-align: center;
    }

    /* 首页Banner */
    .hero-banner {
        height: 55vh;
        min-height: 400px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    /* Section */
    .section {
        padding: 48px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .section-subtitle {
        font-size: 15px;
        margin-bottom: 32px;
    }

    /* 网格变单列 */
    .positioning-grid,
    .scene-grid,
    .cases-grid,
    .dish-grid,
    .video-grid,
    .column-grid,
    .advantages-grid,
    .honor-grid,
    .pain-points {
        grid-template-columns: 1fr;
    }

    /* IP区域 */
    .ip-section,
    .ip-hero,
    .about-intro,
    .contact-layout,
    .service-block {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .service-block.reverse {
        direction: ltr;
    }

    /* 服务能力链 */
    .service-chain {
        flex-direction: column;
        gap: 0;
    }

    .chain-arrow {
        transform: rotate(90deg);
        padding: 8px 0;
    }

    /* 0元上新 */
    .highlight-zero .zero-number {
        font-size: 56px;
    }

    .highlight-zero h2 {
        font-size: 26px;
    }

    /* 页脚 */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-qrcode {
        justify-content: center;
    }

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

    /* 页面Banner */
    .page-banner h1 {
        font-size: 30px;
    }

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

    .page-banner {
        padding: 48px 0;
    }

    /* IP头像 */
    .ip-avatar .avatar-circle {
        width: 200px;
        height: 200px;
        font-size: 72px;
    }

    .ip-hero .ip-photo {
        height: 280px;
        font-size: 80px;
    }

    /* CTA */
    .cta-section h2 {
        font-size: 26px;
    }

    .cta-buttons {
        flex-direction: column;
        padding: 0 24px;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-content h1 {
        font-size: 26px;
    }

    .section-title {
        font-size: 22px;
    }

    .highlight-zero .zero-number {
        font-size: 44px;
    }

    .positioning-summary {
        font-size: 16px;
        padding: 20px;
    }
}