/* ===========================
   时代工匠官网 - 主样式表
   主题色：匠心红 + 工业灰 + 暖金
   =========================== */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #C8102E;        /* 匠心红 */
    --primary-dark: #8B0A1F;
    --accent: #D4AF37;         /* 暖金 */
    --dark: #1A1F2E;           /* 工业深灰 */
    --gray-900: #2C3340;
    --gray-700: #4A5568;
    --gray-500: #718096;
    --gray-300: #CBD5E0;
    --gray-100: #F7FAFC;
    --light: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #C8102E 0%, #8B0A1F 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #B8941F 100%);
    --shadow-sm: 0 2px 8px rgba(26,31,46,0.06);
    --shadow-md: 0 8px 24px rgba(26,31,46,0.10);
    --shadow-lg: 0 16px 48px rgba(26,31,46,0.14);
}

html { scroll-behavior: smooth; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--gray-900);
    line-height: 1.7;
    background: var(--light);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ====== 导航栏 ====== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: saturate(180%) blur(12px);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 76px;
}
.logo {
    display: flex; align-items: center; gap: 12px;
    font-weight: 800; font-size: 22px; color: var(--primary);
}
.logo-mark {
    width: 44px; height: 44px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 900; font-size: 20px;
    box-shadow: 0 4px 12px rgba(200,16,46,0.3);
    position: relative;
    overflow: hidden;
}
.logo-mark::after {
    content: ''; position: absolute;
    top: -50%; right: -50%;
    width: 100%; height: 100%;
    background: var(--gradient-gold);
    transform: rotate(45deg);
    opacity: 0.85;
}
.logo-mark span { position: relative; z-index: 2; }
.logo-text small {
    display: block; font-size: 11px; font-weight: 500;
    color: var(--gray-500); letter-spacing: 1px;
}

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
    padding: 10px 18px;
    font-size: 15px; font-weight: 500;
    color: var(--gray-900);
    border-radius: 8px;
    position: relative;
}
.nav a:hover { color: var(--primary); background: rgba(200,16,46,0.05); }
.nav a.active { color: var(--primary); }
.nav a.active::after {
    content: ''; position: absolute;
    bottom: 4px; left: 50%; transform: translateX(-50%);
    width: 24px; height: 3px;
    background: var(--primary);
    border-radius: 2px;
}
.nav-cta {
    margin-left: 12px;
    padding: 10px 22px !important;
    background: var(--gradient-primary);
    color: #fff !important;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(200,16,46,0.3);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(200,16,46,0.4); }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--gray-900); margin: 6px 0; transition: 0.3s; }

/* ====== Hero 横幅 ====== */
.hero {
    position: relative;
    min-height: 92vh;
    background: linear-gradient(135deg, #1A1F2E 0%, #2C3340 100%);
    color: #fff;
    overflow: hidden;
    display: flex; align-items: center;
    padding-top: 76px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(200,16,46,0.35) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(212,175,55,0.25) 0%, transparent 45%);
}
.hero::after {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 50px 50px;
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 18px;
    background: rgba(200,16,46,0.2);
    border: 1px solid rgba(200,16,46,0.4);
    border-radius: 100px;
    font-size: 13px; font-weight: 500;
    color: #FFD4D9;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}
.hero-tag::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}
.hero h1 {
    font-size: clamp(36px, 5.5vw, 64px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero h1 .accent {
    background: var(--gradient-gold);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    font-size: 18px; line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-bottom: 36px;
    max-width: 620px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px;
    font-size: 15px; font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer; border: 0;
}
.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(200,16,46,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(200,16,46,0.5); }
.btn-outline {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

/* Hero 统计 */
.hero-stats {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 80px;
    padding: 32px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
}
.stat-item { text-align: center; }
.stat-num {
    font-size: 36px; font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: rgba(255,255,255,0.7); letter-spacing: 0.5px; }

/* ====== 通用 Section ====== */
section { padding: 96px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 64px; }
.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 14px; font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-head h2 {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-head p {
    font-size: 16px; color: var(--gray-500);
    max-width: 640px; margin: 0 auto;
}

/* ====== 核心业务板块 ====== */
.business-section { background: var(--gray-100); }
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.business-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}
.business-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.business-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(200,16,46,0.1); }
.business-card:hover::before { transform: scaleX(1); }
.business-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, rgba(200,16,46,0.1) 0%, rgba(200,16,46,0.05) 100%);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
}
.business-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--dark); }
.business-card p { color: var(--gray-700); font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.business-card .more {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--primary); font-weight: 600; font-size: 14px;
}

/* ====== 优势数据 ====== */
.advantages { background: var(--dark); color: #fff; }
.advantages .section-head h2 { color: #fff; }
.advantages .section-head p { color: rgba(255,255,255,0.7); }
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.adv-card {
    padding: 32px 24px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    transition: all 0.3s ease;
}
.adv-card:hover { background: rgba(255,255,255,0.07); transform: translateY(-4px); }
.adv-icon {
    width: 56px; height: 56px;
    background: var(--gradient-gold);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; margin-bottom: 20px;
}
.adv-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.7; }

/* ====== 合作案例 ====== */
.cases-section { background: #fff; }
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}
.case-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-300);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-thumb {
    height: 200px;
    background: linear-gradient(135deg, #C8102E 0%, #8B0A1F 100%);
    position: relative;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 48px; font-weight: 800;
    letter-spacing: 2px;
}
.case-thumb.style-2 { background: linear-gradient(135deg, #2C3340 0%, #1A1F2E 100%); }
.case-thumb.style-3 { background: linear-gradient(135deg, #D4AF37 0%, #B8941F 100%); }
.case-thumb.style-4 { background: linear-gradient(135deg, #1F4E79 0%, #0D2A4A 100%); }
.case-thumb::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 30px 30px;
}
.case-body { padding: 24px; }
.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(200,16,46,0.1);
    color: var(--primary);
    font-size: 12px; font-weight: 600;
    border-radius: 100px;
    margin-bottom: 12px;
}
.case-body h4 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--gray-700); line-height: 1.7; }

/* ====== 动态要闻 ====== */
.news-section { background: var(--gray-100); }
.news-tabs {
    display: flex; justify-content: center; gap: 12px;
    margin-bottom: 48px; flex-wrap: wrap;
}
.news-tab {
    padding: 10px 24px;
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: 100px;
    font-size: 14px; font-weight: 600;
    color: var(--gray-700);
    cursor: pointer; transition: all 0.3s ease;
}
.news-tab:hover { color: var(--primary); border-color: var(--primary); }
.news-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.news-list { display: grid; gap: 16px; }
.news-item {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 24px;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}
.news-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); border-left-color: var(--primary); }
.news-date {
    text-align: center;
    padding: 12px;
    background: linear-gradient(135deg, rgba(200,16,46,0.08) 0%, rgba(200,16,46,0.02) 100%);
    border-radius: 10px;
}
.news-date .day { font-size: 28px; font-weight: 800; color: var(--primary); line-height: 1; }
.news-date .ym { font-size: 12px; color: var(--gray-500); margin-top: 4px; }
.news-content h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.news-content p { font-size: 14px; color: var(--gray-700); line-height: 1.6; }
.news-tag-mini {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 4px;
    margin-right: 8px;
    font-weight: 600;
}
.tag-competition { background: rgba(200,16,46,0.1); color: var(--primary); }
.tag-training { background: rgba(31,78,121,0.1); color: #1F4E79; }
.tag-assessment { background: rgba(212,175,55,0.15); color: #8B6B0F; }

/* ====== 报名 CTA ====== */
.cta-section {
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute;
    top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(212,175,55,0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-section::after {
    content: ''; position: absolute;
    bottom: -50%; left: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-section h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; margin-bottom: 16px; position: relative; z-index: 2; }
.cta-section p { font-size: 17px; opacity: 0.9; margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; z-index: 2; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

/* ====== 页脚 ====== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-col h5 {
    color: #fff;
    font-size: 16px; font-weight: 700;
    margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { font-size: 14px; }
.footer-col a:hover { color: var(--accent); }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo-text small { color: rgba(255,255,255,0.5); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 16px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}
.social-links a:hover { background: var(--primary); color: #fff; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex; justify-content: space-between;
    font-size: 13px; color: rgba(255,255,255,0.5);
    flex-wrap: wrap; gap: 12px;
}

/* ====== 页面内 Hero（小标题） ====== */
.page-hero {
    background: linear-gradient(135deg, #1A1F2E 0%, #2C3340 100%);
    color: #fff;
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(200,16,46,0.3) 0%, transparent 50%);
}
.page-hero h1 {
    font-size: clamp(32px, 4.5vw, 52px);
    font-weight: 800; margin-bottom: 16px;
    position: relative; z-index: 2;
}
.page-hero p {
    font-size: 17px; color: rgba(255,255,255,0.8);
    max-width: 700px; margin: 0 auto;
    position: relative; z-index: 2;
}
.breadcrumb {
    position: relative; z-index: 2;
    margin-top: 24px;
    font-size: 14px; color: rgba(255,255,255,0.6);
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--accent); }

/* ====== 关于页面：使命愿景 ====== */
.mv-section { background: #fff; }
.mv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}
.mv-card {
    padding: 40px 32px;
    background: var(--gray-100);
    border-radius: 16px;
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.mv-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.mv-icon {
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 36px;
    box-shadow: 0 8px 24px rgba(200,16,46,0.3);
}
.mv-card h3 { font-size: 22px; font-weight: 800; color: var(--dark); margin-bottom: 12px; }
.mv-card p { font-size: 15px; color: var(--gray-700); line-height: 1.8; }

/* 价值观 */
.values-section { background: var(--gray-100); }
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.value-card {
    background: #fff;
    padding: 28px 24px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.value-num {
    font-size: 36px; font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}
.value-card h4 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--gray-700); line-height: 1.7; }

/* 行为规范 */
.standard-list { max-width: 920px; margin: 0 auto; }
.standard-item {
    display: flex; gap: 24px;
    padding: 28px;
    background: #fff;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
    transition: all 0.3s ease;
}
.standard-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.standard-num {
    flex-shrink: 0;
    width: 56px; height: 56px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 22px; font-weight: 800;
    box-shadow: 0 4px 12px rgba(200,16,46,0.3);
}
.standard-body h4 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.standard-body p { font-size: 14px; color: var(--gray-700); line-height: 1.8; }

/* ====== 报名入口页面 ====== */
.entry-section { background: #fff; }
.entry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    margin-bottom: 64px;
}
.entry-card {
    background: #fff;
    border: 1px solid var(--gray-300);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex; flex-direction: column;
}
.entry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.entry-head {
    padding: 32px 28px;
    background: var(--gradient-primary);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.entry-head::before {
    content: ''; position: absolute;
    top: -50%; right: -20%;
    width: 200px; height: 200px;
    background: rgba(212,175,55,0.2);
    border-radius: 50%;
}
.entry-head.gold { background: var(--gradient-gold); }
.entry-head.gray { background: linear-gradient(135deg, #2C3340 0%, #1A1F2E 100%); }
.entry-head h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; position: relative; }
.entry-head p { font-size: 14px; opacity: 0.9; position: relative; }
.entry-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.entry-info { margin-bottom: 24px; }
.entry-info li {
    display: flex; gap: 8px; align-items: flex-start;
    padding: 8px 0;
    font-size: 14px; color: var(--gray-700);
    border-bottom: 1px dashed var(--gray-300);
}
.entry-info li:last-child { border-bottom: 0; }
.entry-info li::before {
    content: '✓'; color: var(--primary); font-weight: 800; flex-shrink: 0;
}
.entry-card .btn { width: 100%; justify-content: center; margin-top: auto; }

/* ====== 表单 ====== */
.form-section { background: var(--gray-100); }
.form-card {
    max-width: 720px; margin: 0 auto;
    background: #fff;
    border-radius: 16px;
    padding: 48px;
    box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 14px; font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}
.form-group label .required { color: var(--primary); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    transition: all 0.2s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { text-align: center; margin-top: 16px; }
.form-submit .btn { min-width: 200px; justify-content: center; }
.form-tips {
    text-align: center;
    margin-top: 16px;
    font-size: 13px; color: var(--gray-500);
}

/* ====== 联系信息 ====== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}
.contact-card {
    padding: 32px 24px;
    background: #fff;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, rgba(200,16,46,0.1) 0%, rgba(200,16,46,0.05) 100%);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; margin: 0 auto 16px;
    color: var(--primary);
}
.contact-card h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--gray-700); line-height: 1.7; }

/* ====== 共享页面 ====== */
.sharing-hero { background: linear-gradient(135deg, #1F4E79 0%, #0D2A4A 100%); }
.sharing-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.sharing-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-300);
    transition: all 0.3s ease;
    position: relative;
}
.sharing-card::before {
    content: ''; position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, #1F4E79 0%, #D4AF37 100%);
    border-radius: 16px 16px 0 0;
}
.sharing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sharing-emoji { font-size: 40px; margin-bottom: 16px; }
.sharing-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.sharing-card p { font-size: 14px; color: var(--gray-700); line-height: 1.7; margin-bottom: 16px; }
.sharing-features { font-size: 13px; color: var(--gray-500); }
.sharing-features li { padding: 4px 0; }
.sharing-features li::before { content: '▸ '; color: var(--accent); font-weight: 800; }

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mv-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav { display: none; position: absolute; top: 76px; left: 0; right: 0;
        background: #fff; flex-direction: column; padding: 20px;
        box-shadow: var(--shadow-md); }
    .nav.open { display: flex; }
    .nav a { width: 100%; }
    .menu-toggle { display: block; }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .news-item { grid-template-columns: 80px 1fr; }
    .news-tag-mini { grid-column: 1 / -1; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .form-card { padding: 28px 20px; }
    section { padding: 64px 0; }
}