/* ========== 全局样式 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --c-primary: #0d6e9c;
    --c-primary-dark: #074e70;
    --c-accent: #00bfa6;
    --c-text: #2c3e50;
    --c-muted: #6b7c8a;
    --c-bg: #ffffff;
    --c-bg-soft: #f5f9fc;
    --c-border: #e6edf2;
    --c-gold: #c9a55c;
    --shadow-sm: 0 4px 12px rgba(13, 110, 156, 0.08);
    --shadow-md: 0 8px 28px rgba(13, 110, 156, 0.12);
    --radius: 10px;
}
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s; }
a:hover { color: var(--c-primary); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== 通用按钮 ========== */
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .3s;
    text-align: center;
}
.btn-primary {
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    box-shadow: 0 6px 18px rgba(13, 110, 156, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(13, 110, 156, 0.4);
    color: #fff;
}
.btn-ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}
.btn-ghost:hover {
    background: #fff;
    color: var(--c-primary);
}
.btn-block { display: block; width: 100%; }

/* ========== 顶部导航 ========== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 999;
    padding: 18px 0;
    transition: all .3s;
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 2px 16px rgba(0,0,0,.06);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-mark {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, sans-serif;
    font-size: 16px;
    letter-spacing: -1px;
}
.logo-text { font-size: 19px; color: #fff; transition: color .3s; }
.navbar.scrolled .logo-text { color: var(--c-text); }
.nav-links { display: flex; gap: 8px; }
.nav-links a {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 500;
    position: relative;
}
.navbar.scrolled .nav-links a { color: var(--c-text); }
.nav-links a:hover, .nav-links a.active {
    color: var(--c-accent);
}
.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active { color: var(--c-primary); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: #fff; transition: .3s; }
.navbar.scrolled .nav-toggle span { background: var(--c-text); }

/* ========== Hero 首屏 ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 191, 166, 0.5) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(13, 110, 156, 0.6) 0%, transparent 50%),
        linear-gradient(135deg, #074e70 0%, #0d6e9c 50%, #00bfa6 100%);
}
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 50px 50px;
}
.hero-inner {
    position: relative;
    z-index: 2;
    padding: 120px 24px 80px;
    width: 100%;
}
.hero-eyebrow {
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--c-accent);
    margin-bottom: 24px;
    font-weight: 600;
}
.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 28px;
    letter-spacing: 1px;
}
.hero-accent {
    background: linear-gradient(90deg, #ffd56b, #00bfa6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 17px;
    line-height: 2;
    margin-bottom: 40px;
    max-width: 720px;
    color: rgba(255, 255, 255, 0.92);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 70px; }
.hero-stats {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
    padding-top: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.stat b {
    display: block;
    font-size: 38px;
    font-weight: 700;
    color: var(--c-accent);
    line-height: 1;
    margin-bottom: 6px;
}
.stat span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
}
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    z-index: 2;
}
.hero-scroll span {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: #fff;
    border-radius: 2px;
    animation: scrollMove 1.8s ease-in-out infinite;
}
@keyframes scrollMove {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 22px; opacity: 0.3; }
}

/* ========== 通用 Section ========== */
.section { padding: 100px 0; }
.section-head { text-align: center; margin-bottom: 60px; }
.eyebrow {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--c-accent);
    font-weight: 600;
    margin-bottom: 12px;
}
.section-head h2 {
    font-size: clamp(28px, 3.8vw, 40px);
    color: var(--c-text);
    font-weight: 700;
    margin-bottom: 18px;
}
.divider {
    width: 60px; height: 4px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    border-radius: 2px;
    margin: 0 auto 18px;
}
.section-sub {
    color: var(--c-muted);
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto;
}

/* ========== About ========== */
.section-about { background: var(--c-bg-soft); }
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: start;
}
.about-text h3 {
    font-size: 24px;
    color: var(--c-primary);
    margin-bottom: 24px;
    font-weight: 600;
}
.about-text p {
    color: #4a5b6a;
    margin-bottom: 18px;
    font-size: 15.5px;
    line-height: 2;
}
.about-text b { color: var(--c-primary); font-weight: 600; }
.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.info-card {
    background: #fff;
    padding: 28px 22px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: all .3s;
    border-top: 3px solid var(--c-accent);
}
.info-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.info-card .ico {
    width: 48px; height: 48px;
    border-radius: 10px;
    margin-bottom: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    background: linear-gradient(135deg, rgba(13, 110, 156, 0.1), rgba(0, 191, 166, 0.15));
}
.ico-1::before { content: '👥'; }
.ico-2::before { content: '🌐'; }
.ico-3::before { content: '⚡'; }
.ico-4::before { content: '🎯'; }
.info-card h4 {
    font-size: 17px;
    color: var(--c-text);
    margin-bottom: 8px;
    font-weight: 600;
}
.info-card p { color: var(--c-muted); font-size: 14px; line-height: 1.6; }

/* ========== Business ========== */
.biz-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 24px;
}
.biz-card {
    background: #fff;
    padding: 36px 30px;
    border-radius: var(--radius);
    border: 1px solid var(--c-border);
    transition: all .3s;
    position: relative;
}
.biz-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.biz-main {
    grid-row: span 2;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    border: none;
}
.biz-main:hover { box-shadow: 0 12px 32px rgba(13, 110, 156, 0.4); }
.biz-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 50px;
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 18px;
}
.biz-card h3 {
    font-size: 22px;
    margin-bottom: 14px;
    font-weight: 600;
}
.biz-card p {
    color: var(--c-muted);
    font-size: 14.5px;
    line-height: 1.8;
}
.biz-main p { color: rgba(255, 255, 255, 0.9); }
.biz-list {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.biz-list li {
    padding: 8px 0;
    padding-left: 22px;
    position: relative;
    color: rgba(255, 255, 255, 0.92);
    font-size: 14.5px;
}
.biz-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--c-accent);
    font-weight: 700;
}

/* ========== Brands ========== */
.section-brands { background: var(--c-bg-soft); }
.brands-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.brand-card {
    background: #fff;
    padding: 36px 28px;
    border-radius: var(--radius);
    transition: all .3s;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.brand-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform .3s;
}
.brand-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.brand-card:hover::before { transform: scaleY(1); }
.brand-num {
    display: inline-block;
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 14px;
    font-family: Arial, sans-serif;
}
.brand-card h3 {
    font-size: 19px;
    color: var(--c-text);
    margin-bottom: 12px;
    font-weight: 600;
}
.brand-card p { color: var(--c-muted); font-size: 14.5px; }

/* ========== Parks ========== */
.park-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.park-img { border-radius: var(--radius); overflow: hidden; }
.park-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #0d6e9c 0%, #00bfa6 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    position: relative;
}
.park-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
    background-size: 30px 30px;
}
.park-icon { font-size: 88px; margin-bottom: 16px; position: relative; }
.park-placeholder p { font-size: 22px; font-weight: 600; letter-spacing: 4px; position: relative; }

.park-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(0, 191, 166, 0.12);
    color: var(--c-accent);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 2px;
}
.park-info h3 {
    font-size: 32px;
    margin-bottom: 22px;
    color: var(--c-text);
    font-weight: 700;
}
.park-info p {
    color: #4a5b6a;
    margin-bottom: 16px;
    font-size: 15.5px;
    line-height: 2;
}
.park-tags { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }
.park-tags span {
    padding: 6px 16px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--c-primary);
}

/* ========== Honors ========== */
.section-honors { background: var(--c-bg-soft); }
.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.honor-card {
    background: #fff;
    padding: 36px 22px 28px;
    border-radius: var(--radius);
    text-align: center;
    transition: all .3s;
    border-bottom: 3px solid transparent;
    box-shadow: var(--shadow-sm);
}
.honor-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--c-primary);
}
.honor-gold {
    border-bottom-color: var(--c-gold);
    background: linear-gradient(135deg, #fffaf0, #fff);
}
.honor-gold:hover { border-bottom-color: var(--c-gold); }
.honor-medal {
    width: 56px; height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
}
.honor-gold .honor-medal {
    background: linear-gradient(135deg, #d4a850, #c9a55c);
    box-shadow: 0 4px 14px rgba(201, 165, 92, 0.4);
}
.honor-card h4 {
    font-size: 15px;
    color: var(--c-text);
    margin-bottom: 6px;
    font-weight: 600;
    line-height: 1.5;
    min-height: 48px;
}
.honor-card p { color: var(--c-muted); font-size: 13px; }

/* ========== CTA ========== */
.section-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
    color: #fff;
    position: relative;
    overflow: hidden;
}
.section-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 50%, rgba(0, 191, 166, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 90% 50%, rgba(255, 213, 107, 0.15) 0%, transparent 40%);
}
.cta-inner { text-align: center; position: relative; }
.cta-inner h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    margin-bottom: 16px;
    font-weight: 700;
}
.cta-inner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== Contact ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}
.contact-item {
    display: flex;
    gap: 18px;
    padding: 22px 0;
    border-bottom: 1px solid var(--c-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-ico {
    width: 50px; height: 50px;
    flex-shrink: 0;
    border-radius: 10px;
    background: var(--c-bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.contact-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--c-text);
    font-weight: 600;
}
.contact-item p { color: var(--c-muted); font-size: 14.5px; }

.contact-form {
    background: var(--c-bg-soft);
    padding: 36px;
    border-radius: var(--radius);
}
.contact-form h3 {
    font-size: 20px;
    margin-bottom: 22px;
    color: var(--c-text);
    font-weight: 600;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 13px 16px;
    margin-bottom: 14px;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    font-size: 14.5px;
    font-family: inherit;
    background: #fff;
    transition: border-color .25s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--c-primary);
}
.contact-form textarea { resize: vertical; min-height: 100px; }

/* ========== Footer ========== */
.footer {
    background: #0c1f2c;
    color: rgba(255, 255, 255, 0.85);
    padding-top: 70px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
}
.footer-brand p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    margin-top: 18px;
    line-height: 1.9;
}
.footer-col h5 {
    font-size: 16px;
    margin-bottom: 22px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
}
.footer-col a {
    display: block;
    padding: 6px 0;
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
}
.footer-col a:hover { color: var(--c-accent); }
.footer-col p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    padding: 6px 0;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}
.footer-bottom .beian-sep {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.3);
}
.footer-bottom .beian-link {
    color: rgba(255, 255, 255, 0.6);
    transition: color .25s;
}
.footer-bottom .beian-link:hover {
    color: var(--c-accent);
}

/* ========== 回到顶部 ========== */
.back-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 46px; height: 46px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 6px 18px rgba(13, 110, 156, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all .3s;
    z-index: 998;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--c-accent); color: #fff; transform: translateY(-3px); }

/* ========== 内页通用样式 ========== */
.page-hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #074e70, #0d6e9c, #00bfa6);
    color: #fff;
    text-align: center;
}
.page-hero h1 {
    font-size: clamp(30px, 4.5vw, 46px);
    margin-bottom: 14px;
    font-weight: 700;
}
.page-hero p { color: rgba(255, 255, 255, 0.9); font-size: 16px; }
.breadcrumb {
    margin-top: 18px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
}
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: #fff; }

/* ========== 滚动出现动画 ========== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s ease, transform .8s ease;
}
.fade-up.in { opacity: 1; transform: translateY(0); }

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .about-grid, .park-feature, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .biz-grid { grid-template-columns: 1fr 1fr; }
    .biz-main { grid-row: auto; grid-column: span 2; }
    .brands-grid { grid-template-columns: 1fr 1fr; }
    .honors-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
    .section { padding: 70px 0; }
    .nav-links {
        position: fixed;
        top: 64px; left: 0; right: 0;
        flex-direction: column;
        background: #fff;
        padding: 0 24px;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease, padding .35s ease;
        box-shadow: none;
    }
    .nav-links.open {
        max-height: 500px;
        padding: 14px 24px;
        box-shadow: 0 8px 20px rgba(0,0,0,.08);
    }
    .nav-links a {
        color: var(--c-text);
        padding: 12px 0;
        border-bottom: 1px solid var(--c-border);
    }
    .nav-toggle { display: flex; }
    .navbar:not(.scrolled) .logo-text { color: #fff; }
    .hero-stats { gap: 30px; }
    .stat b { font-size: 28px; }
    .about-cards { grid-template-columns: 1fr; }
    .biz-grid { grid-template-columns: 1fr; }
    .biz-main { grid-column: auto; }
    .brands-grid { grid-template-columns: 1fr; }
    .honors-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 30px; }
    .form-row { grid-template-columns: 1fr; }
}