/* ============================================
   喜悦盛年品牌官网 - 首页样式
   设计风格：新中式雅致 · 温暖国风
   品牌色系：朱红 · 暖橙 · 金色 · 暖白
   ============================================ */

/* ========== 品牌变量 ========== */
:root {
    --brand-red: #D4302A;
    --brand-red-dark: #B82620;
    --brand-red-light: #E85850;
    --brand-orange: #F5A623;
    --brand-gold: #D4AF37;
    --brand-gold-light: #F0D77A;
    --brand-gold-dark: #B8941E;

    --bg-page: #FFFAF0;
    --bg-cream: #FFF8EB;
    --bg-warm: #FFF3E0;
    --bg-dark: #2A1810;
    --bg-dark-2: #3D2820;
    --bg-card: #FFFFFF;

    --text-primary: #2D2D2D;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-inverse: #FFFFFF;
    --text-brand: #D4302A;
    --text-gold: #B8941E;

    --gradient-brand: linear-gradient(135deg, #D4302A 0%, #E85850 50%, #F5A623 100%);
    --gradient-warm: linear-gradient(180deg, #FFF3E0 0%, #FFFAF0 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F0D77A 100%);
    --gradient-dark: linear-gradient(180deg, #2A1810 0%, #3D2820 100%);
    --gradient-hero: linear-gradient(135deg, #D4302A 0%, #C42820 30%, #8B1A15 60%, #5C1108 100%);

    --shadow-sm: 0 2px 12px rgba(212, 48, 42, 0.06);
    --shadow-md: 0 8px 32px rgba(212, 48, 42, 0.1);
    --shadow-lg: 0 16px 48px rgba(212, 48, 42, 0.15);
    --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.2);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

    --container-max: 1200px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Reset ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: rgba(212, 48, 42, 0.15); }

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

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-page);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul { list-style: none; }

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

.section {
    padding: 100px 0;
    position: relative;
}

.section--cream { background: var(--bg-cream); }
.section--warm { background: linear-gradient(180deg, #FFF3E0 0%, #FFFAF0 100%); }
.section--dark { background: var(--gradient-dark); color: var(--text-inverse); }

/* ========== 区块标题 ========== */
.section-header { margin-bottom: 60px; }

.section-header--center { text-align: center; }
.section-header--left { text-align: left; }

.section-header__tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--brand-red);
    padding: 6px 16px;
    background: rgba(212, 48, 42, 0.08);
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-header__tag--light {
    color: var(--brand-gold-light);
    background: rgba(212, 175, 55, 0.12);
}

.section-header__title {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    letter-spacing: 2px;
}

.section-header__title--light { color: var(--text-inverse); }

.section-header__desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.section-header__line {
    width: 60px;
    height: 3px;
    background: var(--gradient-brand);
    border-radius: 2px;
    margin-top: 24px;
}

.section-header--center .section-header__line { margin-left: auto; margin-right: auto; }
.section-header__line--gold { background: var(--gradient-gold); }

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn--lg { padding: 16px 44px; font-size: 17px; }

.btn--primary {
    background: var(--gradient-brand);
    color: var(--text-inverse);
    box-shadow: 0 8px 24px rgba(212, 48, 42, 0.3);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(212, 48, 42, 0.4);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-inverse);
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
}
.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.7);
}

.btn--ghost-light {
    background: transparent;
    color: var(--text-inverse);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.btn--ghost-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-inverse);
}

.btn--gold {
    background: var(--gradient-gold);
    color: #5C3A00;
    box-shadow: var(--shadow-gold);
}
.btn--gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(212, 175, 55, 0.35);
}

.btn__arrow { transition: transform 0.3s; }
.btn--primary:hover .btn__arrow { transform: translateX(4px); }

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 250, 240, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 10px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo__img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--brand-gold);
    object-fit: cover;
}

.nav-logo__text {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-inverse);
    letter-spacing: 2px;
    transition: var(--transition);
}

.navbar.scrolled .nav-logo__text { color: var(--brand-red); }

.nav-menu {
    display: flex;
    gap: 36px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
    position: relative;
    padding: 4px 0;
}

.navbar.scrolled .nav-link { color: var(--text-secondary); }

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 50%;
    width: 0; height: 2px;
    background: var(--gradient-brand);
    border-radius: 2px;
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active { color: var(--brand-red); }
.navbar:not(.scrolled) .nav-link:hover,
.navbar:not(.scrolled) .nav-link.active { color: var(--text-inverse); }

.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta {
    padding: 10px 28px;
    background: var(--gradient-brand);
    color: var(--text-inverse);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(212, 48, 42, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 48, 42, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

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

.navbar.scrolled .nav-toggle span { background: var(--text-primary); }

/* ========== Hero 首屏 ========== */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero__decorations {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__deco-cloud {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
}

.hero__deco-cloud--1 {
    width: 500px; height: 500px;
    background: var(--brand-gold);
    top: -100px; right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero__deco-cloud--2 {
    width: 400px; height: 400px;
    background: var(--brand-orange);
    bottom: -50px; left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero__deco-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(245, 166, 35, 0.06) 1px, transparent 1px);
    background-size: 60px 60px, 80px 80px;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero__content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 100px;
    color: var(--brand-gold-light);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 32px;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.3); }
    50% { box-shadow: 0 0 0 8px rgba(212, 175, 55, 0); }
}

.hero__badge-dot {
    width: 8px; height: 8px;
    background: var(--brand-gold-light);
    border-radius: 50%;
    animation: dotBlink 1.5s ease-in-out infinite;
}

@keyframes dotBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero__title {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 900;
    color: var(--text-inverse);
    line-height: 1.3;
    letter-spacing: 4px;
    margin-bottom: 24px;
}

.hero__title-line { display: block; }

.hero__title-accent {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero__stat { text-align: center; }

.hero__stat-num {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--brand-gold-light);
    line-height: 1;
}

.hero__stat-unit {
    font-size: 16px;
    font-weight: 400;
    margin-left: 2px;
}

.hero__stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 6px;
    letter-spacing: 1px;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

.hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    letter-spacing: 2px;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, rgba(255,255,255,0.4), transparent);
    margin: 8px auto 0;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ========== 关于我们 ========== */
.about__body {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__lead {
    font-size: 20px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 500;
}

.about__desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.text-brand { color: var(--brand-red); font-weight: 700; }

.about__highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about__highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-warm);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--brand-gold);
    transition: var(--transition);
}

.about__highlight:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-sm);
}

.about__highlight-icon { font-size: 28px; }

.about__highlight-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.about__highlight-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* About 视觉区 */
.about__visual {
    position: relative;
}

.about__visual-card {
    background: var(--gradient-brand);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about__visual-pattern {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 21px);
}

.about__visual-content { position: relative; z-index: 2; }

.about__visual-quote {
    font-family: var(--font-serif);
    font-size: 72px;
    color: rgba(255, 255, 255, 0.3);
    line-height: 0.8;
    margin-bottom: 8px;
}

.about__visual-text {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 500;
    color: var(--text-inverse);
    line-height: 1.8;
    letter-spacing: 1px;
}

.about__visual-author {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 24px;
    text-align: right;
}

.about__visual-badge {
    position: absolute;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    box-shadow: var(--shadow-md);
    text-align: center;
    z-index: 3;
}

.about__visual-badge--1 {
    top: -24px;
    right: -20px;
}

.about__visual-badge--2 {
    bottom: -24px;
    left: -20px;
}

.about__visual-badge-num {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--brand-red);
    line-height: 1;
}

.about__visual-badge-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ========== 为什么选择我们 ========== */
.why__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.why__card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.why__card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

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

.why__card:hover::before { transform: scaleX(1); }

.why__card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.why__card-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.why__card-desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.why__card-stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color, #E8E0D5);
}

.why__card-stat-num {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--brand-red);
    line-height: 1;
}

.why__card-stat-label {
    font-size: 13px;
    color: var(--text-light);
}

/* ========== 课程中心 ========== */
.courses__featured {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.course-card--featured {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    min-height: 340px;
    display: flex;
    align-items: flex-end;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

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

.course-card__bg {
    position: absolute;
    inset: 0;
    transition: var(--transition);
}

.course-card--featured:hover .course-card__bg { transform: scale(1.05); }

.course-card__bg--1 { background: linear-gradient(135deg, #D4302A, #E85850, #F5A623); }
.course-card__bg--2 { background: linear-gradient(135deg, #B82620, #D4302A, #E85850); }
.course-card__bg--3 { background: linear-gradient(135deg, #8B1A15, #B82620, #D4302A); }

.course-card__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5) 100%);
}

.course-card__content {
    position: relative;
    z-index: 2;
    padding: 32px;
    color: var(--text-inverse);
}

.course-card__icon {
    font-size: 56px;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.course-card__name {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.course-card__tag {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.course-card__desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* 更多课程 */
.courses__more-title {
    text-align: center;
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.courses__more-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.course-chip {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1.5px solid transparent;
}

.course-chip:hover {
    border-color: var(--brand-red-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.course-chip__icon { font-size: 32px; }

.course-chip__name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.course-chip__desc {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

/* ========== 盛年生态 ========== */
.ecosystem__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.eco-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.eco-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-6px);
}

.eco-card__num {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.eco-card__title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-inverse);
    margin-bottom: 10px;
}

.eco-card__desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
}

/* ========== 发展历程 ========== */
.timeline__wrap {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline__line {
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--brand-red), var(--brand-gold), var(--brand-red));
    transform: translateX(-50%);
}

.timeline__item {
    position: relative;
    width: 50%;
    padding: 0 40px 40px 0;
    text-align: right;
}

.timeline__item--right {
    margin-left: 50%;
    padding: 0 0 40px 40px;
    text-align: left;
}

.timeline__dot {
    position: absolute;
    top: 8px;
    right: -8px;
    width: 16px; height: 16px;
    background: var(--bg-page);
    border: 3px solid var(--brand-red);
    border-radius: 50%;
    z-index: 2;
}

.timeline__item--right .timeline__dot {
    right: auto;
    left: -8px;
}

.timeline__dot--highlight {
    border-color: var(--brand-gold);
    background: var(--brand-gold);
    box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
}

.timeline__card {
    display: inline-block;
    background: var(--bg-card);
    padding: 24px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    max-width: 360px;
    text-align: left;
}

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

.timeline__card--highlight {
    border: 2px solid var(--brand-gold);
    background: linear-gradient(135deg, #FFFAF0, #FFF8EB);
}

.timeline__year {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--brand-red);
    margin-bottom: 6px;
}

.timeline__card--highlight .timeline__year { color: var(--brand-gold-dark); }

.timeline__title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline__desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ========== 云纺校区 ========== */
.campus__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.campus__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(212, 48, 42, 0.1);
    border-radius: 100px;
    color: var(--brand-red);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.campus__badge-dot {
    width: 8px; height: 8px;
    background: var(--brand-red);
    border-radius: 50%;
    animation: dotBlink 1.5s ease-in-out infinite;
}

.campus__title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.campus__desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.campus__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 32px;
}

.campus__feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-primary);
}

.campus__feature-icon { font-size: 20px; }

.campus__contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.campus__contact-label {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.campus__contact-value {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.6;
}

.campus__contact-value--phone {
    font-size: 24px;
    font-weight: 700;
    color: var(--brand-red);
    font-family: var(--font-serif);
}

/* 校区视觉区 */
.campus__visual {
    position: relative;
}

.campus__visual-card {
    background: linear-gradient(135deg, var(--brand-red), var(--brand-red-dark));
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.campus__visual-pattern {
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(135deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 21px);
}

.campus__visual-content { position: relative; z-index: 2; }

.campus__visual-label {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--brand-gold-light);
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.campus__visual-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.campus__visual-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    line-height: 1.6;
}

.campus__visual-check {
    width: 22px; height: 22px;
    background: rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-gold-light);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.campus__visual-note {
    text-align: center;
    padding: 12px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-sm);
    color: var(--brand-gold-light);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
}

.campus__visual-tag {
    position: absolute;
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-red);
    box-shadow: var(--shadow-md);
    z-index: 3;
}

.campus__visual-tag--1 { top: -16px; right: 20px; }
.campus__visual-tag--2 { top: -16px; right: 100px; }
.campus__visual-tag--3 { bottom: -16px; left: 20px; }
.campus__visual-tag--4 { bottom: -16px; left: 100px; }

/* ========== 活动丰富 ========== */
.activities__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.activity-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.activity-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--brand-gold);
}

.activity-card__icon {
    font-size: 44px;
    margin-bottom: 16px;
}

.activity-card__title {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.activity-card__desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ========== CTA ========== */
.cta {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 120px 0;
}

.cta__bg {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 30% 40%, rgba(212, 175, 55, 0.12) 1px, transparent 1px),
        radial-gradient(circle at 70% 60%, rgba(245, 166, 35, 0.08) 1px, transparent 1px);
    background-size: 50px 50px, 70px 70px;
}

.cta__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta__seal {
    width: 80px; height: 80px;
    margin: 0 auto 32px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 900;
    color: #5C3A00;
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.4);
    animation: sealRotate 4s ease-in-out infinite;
}

@keyframes sealRotate {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.cta__title {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--text-inverse);
    line-height: 1.5;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.cta__desc {
    font-size: 17px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 36px;
}

.cta__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.cta__note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 1px;
}

/* ========== Footer ========== */
.footer {
    background: #1A0F0A;
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.footer__top {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer__logo-img {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 2px solid var(--brand-gold);
}

.footer__logo-name {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-inverse);
    letter-spacing: 2px;
}

.footer__logo-slogan {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

.footer__brand-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 420px;
}

.footer__partners {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__partner {
    font-size: 13px;
    color: rgba(212, 175, 55, 0.8);
    padding-left: 16px;
    position: relative;
}

.footer__partner::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--brand-gold);
    font-size: 8px;
    top: 4px;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer__col-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-inverse);
    margin-bottom: 16px;
}

.footer__link {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    padding: 4px 0;
    transition: var(--transition);
}

.footer__link:hover { color: var(--brand-gold-light); }

.footer__contact { margin-bottom: 16px; }

.footer__contact-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 4px;
}

.footer__contact-value {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

.footer__contact-value--addr {
    font-size: 13px;
    line-height: 1.6;
}

.footer__contact-value--link {
    display: inline-block;
    font-size: 14px;
    color: var(--brand-gold-light);
    transition: var(--transition);
    margin-top: 2px;
}

.footer__contact-value--link:hover {
    color: var(--text-inverse);
    transform: translateX(4px);
}

.footer__bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer__company {
    font-size: 14px;
}

.footer__company-label {
    color: rgba(255, 255, 255, 0.4);
}

.footer__company-name {
    color: var(--brand-gold-light);
    font-weight: 500;
}

.footer__copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer__divider {
    color: rgba(255, 255, 255, 0.2);
}

/* ========== 回到顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px; height: 48px;
    background: var(--gradient-brand);
    color: var(--text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ========== 滚动揭示动画 ========== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero__title { font-size: 48px; }
    .section-header__title { font-size: 32px; }

    .about__body { grid-template-columns: 1fr; gap: 40px; }
    .why__grid { grid-template-columns: 1fr; }
    .courses__featured { grid-template-columns: 1fr 1fr; }
    .courses__more-grid { grid-template-columns: 1fr 1fr; }
    .ecosystem__grid { grid-template-columns: 1fr 1fr; }
    .activities__grid { grid-template-columns: 1fr 1fr; }
    .campus__inner { grid-template-columns: 1fr; gap: 40px; }
    .footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }

    .nav-menu {
        display: flex;
        position: fixed;
        top: 0; right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 250, 240, 0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 0;
        transition: right 0.3s ease;
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav-menu.open { right: 0; }

    .nav-menu li {
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .nav-menu .nav-link {
        display: block;
        padding: 16px 0;
        font-size: 16px;
        color: var(--text-primary);
    }

    .nav-cta { display: none; }
    .nav-toggle { display: flex; z-index: 1001; }

    .hero { padding: 100px 20px 60px; }
    .hero__title { font-size: 36px; letter-spacing: 2px; }
    .hero__subtitle { font-size: 15px; }
    .hero__stats { gap: 12px; }
    .hero__stat-num { font-size: 28px; }
    .hero__stat-divider { display: none; }

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

    .courses__featured { grid-template-columns: 1fr; }
    .courses__more-grid { grid-template-columns: 1fr; }
    .ecosystem__grid { grid-template-columns: 1fr; }
    .activities__grid { grid-template-columns: 1fr; }
    .campus__features { grid-template-columns: 1fr; }

    .timeline__line { left: 20px; }
    .timeline__item, .timeline__item--right {
        width: 100%;
        margin-left: 0;
        padding: 0 0 32px 48px;
        text-align: left;
    }
    .timeline__dot, .timeline__item--right .timeline__dot {
        left: 12px;
        right: auto;
    }

    .cta__title { font-size: 28px; }
    .footer__bottom { flex-direction: column; text-align: center; }
    .footer__links { grid-template-columns: 1fr 1fr; }

    .back-to-top { bottom: 20px; right: 20px; }
}