/* ============================================================
   台州一橙科技 - 主样式文件
   主色: #FF6B00 (橙色)  辅色: #1a1a2e (深蓝黑)
   ============================================================ */

/* === 基础重置 === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --orange: #FF6B00;
    --orange-light: #FF8C38;
    --orange-dark: #E55A00;
    --orange-pale: #FFF3E8;
    --dark: #1a1a2e;
    --dark2: #2d2d44;
    --gray: #f5f6fa;
    --gray2: #e8eaf0;
    --text: #333;
    --text-light: #666;
    --text-muted: #999;
    --white: #fff;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --shadow-md: 0 8px 32px rgba(0,0,0,.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,.16);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", sans-serif; color: var(--text); line-height: 1.7; background: #fff; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-orange { color: var(--orange); }
.text-left { text-align: left !important; }

/* === 顶部公告栏 === */
.top-bar {
    background: var(--dark);
    color: rgba(255,255,255,.85);
    font-size: .85rem;
    padding: 8px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.top-phone { color: var(--orange-light); font-weight: 600; letter-spacing: .5px; }
.top-phone:hover { color: var(--orange); }

/* === 导航栏 === */
.header {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 16px rgba(0,0,0,.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 2rem; line-height: 1; }
.logo-text strong { display: block; font-size: 1.2rem; font-weight: 700; color: var(--dark); line-height: 1.2; }
.logo-text small { font-size: .72rem; color: var(--text-muted); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: .93rem;
    color: var(--text);
    transition: var(--transition);
    font-weight: 500;
}
.nav-link:hover, .nav-link.active { color: var(--orange); background: var(--orange-pale); }
.nav-cta {
    margin-left: 8px;
    background: var(--orange);
    color: #fff;
    padding: 7px 18px;
    border-radius: 8px;
    font-size: .9rem;
    font-weight: 600;
}
.nav-cta:hover { background: var(--orange-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(255,107,0,.35); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* === Hero === */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--dark) 0%, #16213e 40%, #0f3460 100%);
    color: #fff;
    padding: 100px 0 60px;
    overflow: hidden;
    min-height: 620px;
}
.hero-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(255,107,0,.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(255,140,56,.1) 0%, transparent 50%);
}
.hero-particles {
    position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 48px 48px;
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,107,0,.2); border: 1px solid rgba(255,107,0,.4);
    padding: 6px 14px; border-radius: 20px;
    font-size: .82rem; color: #FFB366; margin-bottom: 20px;
}
.hero-title { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.25; margin-bottom: 16px; }
.hero-title .highlight { color: var(--orange-light); }
.hero-slogan { font-size: .95rem; color: rgba(255,255,255,.7); margin-bottom: 36px; line-height: 1.8; }

.hero-stats { display: flex; gap: 28px; margin-bottom: 40px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--orange-light); line-height: 1; }
.stat-item strong span { font-size: 1rem; }
.stat-item > span { font-size: .78rem; color: rgba(255,255,255,.6); margin-top: 4px; display: block; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* === 按钮 === */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 24px; border-radius: 10px; font-size: .95rem;
    font-weight: 600; cursor: pointer; transition: var(--transition); border: 2px solid transparent;
    text-align: center; justify-content: center;
}
.btn-primary { background: var(--orange); color: #fff; border-color: var(--orange); }
.btn-primary:hover { background: var(--orange-dark); border-color: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,0,.4); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }
.btn-outline-dark { background: transparent; color: var(--dark); border-color: var(--dark); }
.btn-outline-dark:hover { background: var(--dark); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 13px 30px; font-size: 1rem; border-radius: 12px; }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 16px; font-size: .85rem; }

/* Hero 卡片 */
.hero-visual { display: flex; justify-content: center; }
.hero-card {
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--radius-lg);
    padding: 28px;
    width: 320px;
    box-shadow: var(--shadow-lg);
}
.card-header { font-size: .9rem; color: rgba(255,255,255,.8); margin-bottom: 20px; font-weight: 600; }
.card-stats { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.card-stat { display: flex; justify-content: space-between; align-items: center; }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.65); }
.stat-value { font-weight: 700; font-size: 1rem; }
.text-orange { color: #FF9944 !important; }
.chart-bars {
    display: flex; align-items: flex-end; gap: 6px;
    height: 70px; margin-bottom: 16px;
}
.bar { flex: 1; background: linear-gradient(to top, var(--orange), var(--orange-light)); border-radius: 4px 4px 0 0; opacity: .85; transition: var(--transition); }
.bar:hover { opacity: 1; transform: scaleY(1.05); transform-origin: bottom; }
.card-footer { font-size: .75rem; color: rgba(255,255,255,.5); border-top: 1px solid rgba(255,255,255,.1); padding-top: 12px; }

.hero-wave { position: absolute; bottom: 0; left: 0; right: 0; line-height: 0; }
.hero-wave svg { display: block; width: 100%; height: 50px; }

/* === Section 通用 === */
.section { padding: 80px 0; }
.section-gray { background: var(--gray); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
    display: inline-block; background: var(--orange-pale); color: var(--orange);
    padding: 4px 14px; border-radius: 20px; font-size: .82rem; font-weight: 600;
    margin-bottom: 14px; letter-spacing: .5px;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--dark); margin-bottom: 14px; line-height: 1.3; }
.section-desc { font-size: 1rem; color: var(--text-light); max-width: 560px; margin: 0 auto; }

/* === 服务内容 === */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 24px;
    border: 2px solid var(--gray2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--orange); transform: scaleX(0); transform-origin: left;
    transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 2.4rem; margin-bottom: 16px; line-height: 1; }
.service-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.service-card p { font-size: .88rem; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.service-link { font-size: .85rem; color: var(--orange); font-weight: 600; }
.service-link:hover { text-decoration: underline; }

/* === 优势 === */
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 60px; }
.advantage-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    display: flex; gap: 14px; align-items: flex-start;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}
.advantage-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.advantage-item::after {
    content: attr(data-index);
    position: absolute; top: 12px; right: 14px;
    font-size: 2rem; font-weight: 900; color: rgba(255,107,0,.06);
    line-height: 1;
}
.adv-icon { font-size: 1.8rem; flex-shrink: 0; }
.adv-content h3 { font-size: .93rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.adv-content p { font-size: .82rem; color: var(--text-light); line-height: 1.6; }

/* 合作流程 */
.process-section { background: #fff; border-radius: var(--radius-lg); padding: 36px 40px; box-shadow: var(--shadow); }
.process-title { text-align: center; font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 28px; }
.process-steps { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; gap: 8px; }
.process-step { display: flex; align-items: center; gap: 8px; }
.step-num {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--orange); color: #fff;
    font-size: .9rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.step-name { font-size: .9rem; font-weight: 600; color: var(--dark); white-space: nowrap; }
.step-arrow { color: var(--orange); font-size: 1.2rem; padding: 0 4px; }

/* === 价格套餐 === */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
.pricing-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 2px solid var(--gray2);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.pricing-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }

.pricing-card.hot {
    border-color: var(--orange);
    box-shadow: 0 0 0 4px rgba(255,107,0,.1);
    transform: translateY(-6px);
}
.pricing-card.hot:hover { transform: translateY(-12px); }

.hot-badge {
    position: absolute; top: 0; right: 0;
    background: var(--orange); color: #fff;
    font-size: .78rem; font-weight: 700;
    padding: 6px 16px 6px 20px;
    border-bottom-left-radius: var(--radius);
}

.pricing-header { margin-bottom: 28px; }
.pkg-icon { font-size: 2.5rem; margin-bottom: 12px; }
.pkg-name { font-size: 1.3rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.pkg-subtitle { font-size: .85rem; color: var(--text-muted); margin-bottom: 20px; }
.pkg-price { display: flex; align-items: flex-end; justify-content: center; gap: 2px; }
.price-currency { font-size: 1.2rem; font-weight: 700; color: var(--orange); padding-bottom: 4px; }
.price-main { font-size: 2.8rem; font-weight: 900; color: var(--orange); line-height: 1; }
.price-unit { font-size: .9rem; color: var(--text-muted); padding-bottom: 4px; }

.pkg-features { margin-bottom: 28px; text-align: left; }
.pkg-features li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--gray2); font-size: .88rem; color: var(--text); }
.pkg-features li:last-child { border-bottom: none; }
.check { color: var(--orange); font-weight: 700; font-size: 1rem; flex-shrink: 0; }

.pricing-footer { display: flex; flex-direction: column; gap: 12px; }
.btn-phone { font-size: .85rem; color: var(--text-muted); text-align: center; transition: var(--transition); }
.btn-phone:hover { color: var(--orange); }

.pricing-note {
    background: var(--orange-pale); border-radius: var(--radius);
    padding: 16px 24px; text-align: center;
    border-left: 4px solid var(--orange);
}
.pricing-note p { font-size: .88rem; color: var(--text-light); }

/* === 关于我们 === */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-content .section-tag { margin-bottom: 10px; }
.about-content .section-title { margin-bottom: 20px; }
.about-intro { font-size: 1rem; color: var(--text); margin-bottom: 16px; }
.about-content p { color: var(--text-light); margin-bottom: 14px; line-height: 1.8; }
.about-content em { color: var(--orange); font-style: normal; font-weight: 500; }

.about-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0; }
.highlight-item {
    background: var(--gray); border-radius: var(--radius); padding: 16px;
    text-align: center; border-bottom: 3px solid var(--orange);
}
.highlight-item strong { display: block; font-size: .95rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.highlight-item span { font-size: .78rem; color: var(--text-muted); }

.about-visual { }
.cert-card {
    background: linear-gradient(135deg, var(--dark) 0%, #0f3460 100%);
    color: #fff; border-radius: var(--radius-lg); padding: 32px;
    text-align: center; margin-bottom: 20px;
}
.cert-icon { font-size: 3rem; margin-bottom: 12px; }
.cert-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.cert-subtitle { font-size: .85rem; color: rgba(255,255,255,.65); }
.cert-numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.cert-num {
    background: var(--gray); border-radius: var(--radius); padding: 16px 8px;
    text-align: center;
}
.cert-num strong { display: block; font-size: 1.2rem; font-weight: 800; color: var(--orange); }
.cert-num span { font-size: .75rem; color: var(--text-muted); }

/* === 联系我们 === */
.contact-section { background: linear-gradient(135deg, #fafafa 0%, #fff3e8 100%); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: var(--orange-pale); display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; flex-shrink: 0;
}
.contact-detail strong { display: block; font-size: .85rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-detail a, .contact-detail span { font-size: 1rem; font-weight: 600; color: var(--dark); }
.contact-detail a:hover { color: var(--orange); }
.contact-ctas { display: flex; gap: 12px; margin-top: 8px; flex-wrap: wrap; }

.contact-form-wrap {
    background: #fff; border-radius: var(--radius-lg);
    padding: 36px; box-shadow: var(--shadow-md);
}
.contact-form-wrap h3 { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .88rem; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.required { color: var(--orange); }
.form-group input, .form-group textarea {
    width: 100%; padding: 11px 14px;
    border: 2px solid var(--gray2); border-radius: 8px;
    font-size: .93rem; color: var(--text);
    transition: var(--transition); font-family: inherit;
    background: var(--gray);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--orange);
    background: #fff; box-shadow: 0 0 0 3px rgba(255,107,0,.1);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-tip { text-align: center; font-size: .78rem; color: var(--text-muted); margin-top: 10px; }

/* === 页脚 === */
.footer { background: var(--dark); color: rgba(255,255,255,.8); padding: 60px 0 0; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand .logo-text strong { color: #fff; }
.footer-brand p { font-size: .85rem; color: rgba(255,255,255,.55); line-height: 1.8; margin-bottom: 16px; }
.footer-social { display: flex; flex-direction: column; gap: 8px; }
.footer-social a { font-size: .85rem; color: rgba(255,255,255,.6); }
.footer-social a:hover { color: var(--orange-light); }

.footer-links h4 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.55); }
.footer-links a:hover { color: var(--orange-light); padding-left: 4px; }

.footer-qr h4 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.qr-box {
    width: 140px; height: 140px;
    background: rgba(255,255,255,.08); border-radius: var(--radius);
    border: 2px dashed rgba(255,255,255,.2);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 6px;
}
.qr-box span { font-size: 2.5rem; }
.qr-box p { font-size: .8rem; color: rgba(255,255,255,.7); font-weight: 600; }
.qr-box small { font-size: .72rem; color: rgba(255,255,255,.4); text-align: center; }

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: .8rem;
    color: rgba(255,255,255,.35);
    line-height: 1.8;
}

/* === 悬浮按钮 === */
.float-buttons {
    position: fixed; bottom: 28px; right: 24px;
    display: flex; flex-direction: column; gap: 10px;
    z-index: 999;
}
.float-btn {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; cursor: pointer;
    box-shadow: var(--shadow-md); transition: var(--transition);
    border: none;
}
.float-phone { background: var(--orange); color: #fff; }
.float-wechat { background: #07C160; color: #fff; }
.float-top { background: var(--dark); color: #fff; font-size: 1rem; font-weight: 700; }
.float-btn:hover { transform: scale(1.12); box-shadow: var(--shadow-lg); }

/* === 动画 === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { opacity: 0; animation: fadeInUp .6s ease forwards; }
.fade-in-1 { animation-delay: .1s; }
.fade-in-2 { animation-delay: .2s; }
.fade-in-3 { animation-delay: .3s; }

/* === 响应式 === */
@media (max-width: 1024px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .header .container { height: 58px; }
    .nav {
        display: none; flex-direction: column; align-items: stretch;
        position: absolute; top: 58px; left: 0; right: 0;
        background: rgba(255,255,255,.98); backdrop-filter: blur(12px);
        padding: 16px; box-shadow: var(--shadow-md); gap: 4px;
        border-top: 1px solid var(--gray2);
    }
    .nav.open { display: flex; }
    .nav-link { text-align: center; padding: 10px; }
    .nav-cta { text-align: center; margin: 8px 0 0; }
    .menu-toggle { display: flex; }

    .hero { padding: 60px 0 40px; min-height: auto; }
    .hero .container { grid-template-columns: 1fr; gap: 36px; }
    .hero-visual { display: none; }
    .hero-stats { gap: 16px; }
    .stat-item strong { font-size: 1.4rem; }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.hot { transform: none; }
    .about-layout { grid-template-columns: 1fr; gap: 36px; }
    .about-highlights { grid-template-columns: 1fr; }
    .cert-numbers { grid-template-columns: repeat(2, 1fr); }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .process-steps { justify-content: flex-start; }
}

@media (max-width: 480px) {
    .section { padding: 56px 0; }
    .services-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { text-align: center; }
    .contact-ctas { flex-direction: column; }
    .footer-content { grid-template-columns: 1fr; }
    .top-bar .container { justify-content: center; }
    .top-bar span { display: none; }
    .process-steps { flex-direction: column; align-items: flex-start; }
    .step-arrow { transform: rotate(90deg); }
}