/* ==========================================================================
   甘肃旭碳新材料有限公司官网 - 未来科技视觉系统
   核心特征：石墨黑 + 电光紫 + 能量青 / 深浅模式 / 玻璃拟态 / 粒子背景
   ========================================================================== */

:root {
    /* 色彩系统 */
    --color-bg: #09090f;
    --color-surface: rgba(22, 22, 32, 0.95);
    --color-elevated: rgba(31, 31, 48, 0.92);
    --color-divider: rgba(124, 58, 237, 0.25);
    --color-border: rgba(124, 58, 237, 0.35);
    --color-primary: #7c3aed;
    --color-primary-glow: rgba(124, 58, 237, 0.35);
    --color-secondary: #00ffd1;
    --color-secondary-glow: rgba(0, 255, 209, 0.4);
    --color-text: #eef2ff;
    --color-text-dim: rgba(201, 203, 219, 0.78);
    --color-text-muted: rgba(162, 166, 189, 0.64);

    /* 字体与排版 */
    --font-sans: 'Inter', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', 'Courier New', monospace;
    --font-size-base: 16px;
    --line-height-base: 1.65;

    /* 尺寸系统 */
    --layout-max-width: 1280px;
    --content-max-width: 1080px;
    --header-height: 88px;
    --space-2xs: 0.35rem;
    --space-xs: 0.5rem;
    --space-sm: 0.8rem;
    --space-md: 1.2rem;
    --space-lg: 2rem;
    --space-xl: 3.2rem;
    --space-2xl: 5rem;

    /* 动效与阴影 */
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 32px;
    --shadow-soft: 0 18px 40px rgba(8, 8, 15, 0.55);
    --shadow-strong: 0 28px 60px rgba(9, 9, 18, 0.65);
    --transition-base: 0.35s ease;
    --blur-strong: blur(32px);
}

body.light-mode {
    --color-bg: #f6f4ff;
    --color-surface: rgba(255, 255, 255, 0.88);
    --color-elevated: rgba(255, 255, 255, 0.96);
    --color-divider: rgba(124, 58, 237, 0.12);
    --color-border: rgba(124, 58, 237, 0.2);
    --color-text: #1a1a1f;
    --color-text-dim: rgba(35, 36, 52, 0.72);
    --color-text-muted: rgba(54, 55, 70, 0.6);
    --shadow-soft: 0 12px 28px rgba(120, 115, 188, 0.25);
    --shadow-strong: 0 16px 48px rgba(94, 82, 171, 0.3);
}

/* -------------------------------------------------------------------------- */
/* 基础重置 */
/* -------------------------------------------------------------------------- */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--color-bg);
}

body {
    min-height: 100vh;
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.32), transparent 45%),
                radial-gradient(circle at 80% 0%, rgba(0, 255, 209, 0.25), transparent 55%),
                radial-gradient(circle at 50% 75%, rgba(44, 44, 68, 0.7), transparent 65%),
                var(--color-bg);
    overflow-x: hidden;
}

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

a:hover,
a:focus-visible {
    color: var(--color-primary);
}

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

ul,
ol {
    list-style: none;
}

p {
    color: var(--color-text-dim);
    margin-bottom: var(--space-md);
}

h1, h2, h3, h4, h5 {
    font-weight: 600;
    letter-spacing: 0.02em;
}

h1 {
    font-size: clamp(2.8rem, 5vw, 3.75rem);
}

h2 {
    font-size: clamp(2.1rem, 4vw, 2.8rem);
    margin-bottom: var(--space-sm);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-xs);
}

h4 {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    margin-bottom: var(--space-2xs);
}

/* -------------------------------------------------------------------------- */
/* 布局结构 */
/* -------------------------------------------------------------------------- */

.page-wrapper {
    position: relative;
    min-height: 100vh;
    padding-top: var(--header-height);
}

.container {
    width: min(100% - 2 * var(--space-md), var(--layout-max-width));
    margin: 0 auto;
}

.content-narrow {
    width: min(100% - 2 * var(--space-md), var(--content-max-width));
    margin: 0 auto;
}

section {
    position: relative;
    padding: var(--space-2xl) 0;
}

section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.08), rgba(0, 255, 209, 0.04));
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

section.is-visible::before {
    opacity: 1;
}

.section-header {
    margin: 0 auto var(--space-xl);
    text-align: center;
    max-width: 720px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    background-clip: text;
    color: transparent;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.section-description {
    color: var(--color-text-dim);
    font-size: 1.05rem;
    margin-top: var(--space-xs);
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
}

.glass-panel {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(24px);
    padding: clamp(1.6rem, 3vw, 2.4rem);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.glass-panel::after {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.04);
    pointer-events: none;
}

.glass-panel:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
    border-color: var(--color-secondary-glow);
}

.glow-border {
    position: relative;
}

.glow-border::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.35), rgba(0, 255, 209, 0.35));
    opacity: 0.6;
    filter: blur(14px);
    z-index: -2;
}

.glow-border::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(0, 255, 209, 0.25));
    z-index: -1;
    opacity: 0.35;
}

/* -------------------------------------------------------------------------- */
/* 顶部导航 */
/* -------------------------------------------------------------------------- */

.header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background var(--transition-base), backdrop-filter var(--transition-base), border-color var(--transition-base);
    backdrop-filter: blur(14px);
    background: linear-gradient(120deg, rgba(9, 9, 15, 0.88), rgba(16, 12, 28, 0.72));
    border-bottom: 1px solid rgba(124, 58, 237, 0.18);
}

.header.is-scrolled {
    background: rgba(9, 9, 15, 0.95);
    border-bottom-color: rgba(124, 58, 237, 0.35);
}

.navbar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--color-text);
}

.logo span {
    color: var(--color-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--color-text-dim);
    font-size: 0.95rem;
    transition: color var(--transition-base), background var(--transition-base);
}

.nav-item > a::after {
    content: "";
    position: absolute;
    inset: auto 0 -8px 0;
    height: 2px;
    transform: scaleX(0);
    transform-origin: center;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    transition: transform var(--transition-base);
}

.nav-item:hover > a,
.nav-item:focus-within > a,
.nav-item.active > a {
    color: var(--color-secondary);
    background: rgba(124, 58, 237, 0.08);
}

.nav-item:hover > a::after,
.nav-item:focus-within > a::after,
.nav-item.active > a::after {
    transform: scaleX(1);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(17, 17, 28, 0.96);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(124, 58, 237, 0.28);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    min-width: 220px;
    box-shadow: var(--shadow-strong);
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
    will-change: opacity, transform;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-menu::before {
    content: "";
    position: absolute;
    top: -7px;
    left: 28px;
    width: 14px;
    height: 14px;
    background: inherit;
    transform: rotate(45deg);
    border-left: inherit;
    border-top: inherit;
}

.dropdown-item a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-dim);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base), color var(--transition-base);
}

.dropdown-item a:hover {
    background: rgba(124, 58, 237, 0.14);
    color: var(--color-secondary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(124, 58, 237, 0.3);
    background: rgba(14, 14, 24, 0.55);
    color: var(--color-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.theme-toggle:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 255, 209, 0.55);
    background: rgba(124, 58, 237, 0.18);
}

.menu-toggle {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--color-text);
}

/* -------------------------------------------------------------------------- */
/* 英雄区与粒子背景 */
/* -------------------------------------------------------------------------- */

.hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    align-items: center;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(0, 255, 209, 0.25), transparent 45%),
                radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.3), transparent 55%);
    mix-blend-mode: screen;
    pointer-events: none;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.55;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(100% - 2 * var(--space-md), var(--content-max-width));
    margin: 0 auto;
    padding: var(--space-xl) 0;
    display: grid;
    gap: var(--space-lg);
}

.hero-intro {
    max-width: 680px;
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-2xs) var(--space-sm);
    border-radius: 999px;
    background: rgba(124, 58, 237, 0.16);
    color: var(--color-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.stat-card {
    background: rgba(10, 10, 18, 0.65);
    border: 1px solid rgba(0, 255, 209, 0.25);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: "";
    position: absolute;
    inset: -180% 30% auto;
    height: 180%;
    background: linear-gradient(135deg, rgba(0, 255, 209, 0.25), transparent 65%);
    transform: rotate(28deg);
}

.stat-card strong {
    font-size: 2rem;
    color: var(--color-secondary);
    display: block;
}

.stat-card span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* -------------------------------------------------------------------------- */
/* 通用组件 */
/* -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    border-radius: 999px;
    padding: 0.85rem 1.6rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.95), rgba(0, 255, 209, 0.85));
    color: #040407;
    box-shadow: 0 18px 32px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 44px rgba(0, 255, 209, 0.32);
}

.btn-ghost {
    background: transparent;
    border-color: rgba(0, 255, 209, 0.35);
    color: var(--color-text);
}

.btn-ghost:hover {
    transform: translateY(-4px);
    border-color: rgba(124, 58, 237, 0.45);
    background: rgba(124, 58, 237, 0.1);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-2xs) var(--space-xs);
    border-radius: 999px;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(124, 58, 237, 0.14);
    color: var(--color-secondary);
}

.badge {
    display: inline-block;
    padding: var(--space-2xs) var(--space-xs);
    border-radius: var(--radius-sm);
    background: rgba(0, 255, 209, 0.12);
    color: var(--color-secondary);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.chip {
    padding: var(--space-2xs) var(--space-sm);
    border-radius: 999px;
    background: rgba(124, 58, 237, 0.15);
    color: var(--color-text);
    font-size: 0.85rem;
}

.data-grid {
    display: grid;
    gap: var(--space-sm);
}

.data-grid.two-column {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.data-item {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(124, 58, 237, 0.2);
    background: rgba(13, 13, 20, 0.65);
}

.data-item strong {
    color: var(--color-secondary);
    font-size: 1.1rem;
    display: block;
    margin-bottom: var(--space-2xs);
}

.metric-card {
    position: relative;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(19, 19, 28, 0.78);
    border: 1px solid rgba(124, 58, 237, 0.25);
    overflow: hidden;
}

.metric-card::after {
    content: "";
    position: absolute;
    inset: -30% 40%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 209, 0.4), transparent 65%);
    transform: rotate(15deg);
    opacity: 0.75;
}

.metric-card strong {
    display: block;
    font-size: 2.4rem;
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
    position: relative;
}

.metric-card span {
    position: relative;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.hex-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

.hex-card {
    position: relative;
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    background: rgba(11, 11, 19, 0.7);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 255, 209, 0.18);
    overflow: hidden;
}

.hex-shape {
    position: absolute;
    inset: 16% 18%;
    border-radius: 16% / 18%;
    border: 1px solid rgba(124, 58, 237, 0.25);
    transform: rotate(8deg);
    pointer-events: none;
}

.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 24px;
    width: 2px;
    background: linear-gradient(180deg, rgba(124, 58, 237, 0.25), rgba(0, 255, 209, 0.25));
}

.timeline-item {
    position: relative;
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    background: rgba(15, 15, 26, 0.72);
    border-radius: var(--radius-md);
    border: 1px solid rgba(124, 58, 237, 0.24);
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: -108px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    color: var(--color-secondary);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
}

.timeline-item::after {
    content: "";
    position: absolute;
    left: -1.6rem;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    box-shadow: 0 0 12px rgba(0, 255, 209, 0.75);
}

.logo-wall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    align-items: center;
}

.logo-item {
    background: rgba(15, 15, 24, 0.68);
    border-radius: var(--radius-md);
    border: 1px solid rgba(124, 58, 237, 0.16);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 92px;
    position: relative;
    overflow: hidden;
}

.logo-item::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.04);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.logo-item:hover::after {
    opacity: 1;
}

.logo-item span {
    color: var(--color-text-dim);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.4;
}

.media-grid {
    display: grid;
    gap: var(--space-md);
}

.media-card {
    display: grid;
    grid-template-columns: minmax(0, 260px) 1fr;
    gap: var(--space-md);
    background: rgba(18, 18, 28, 0.72);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.24);
    overflow: hidden;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.media-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 255, 209, 0.35);
}

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

.media-card-content {
    padding: var(--space-md);
}

.media-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

.table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(15, 15, 26, 0.72);
}

.table th,
.table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid rgba(124, 58, 237, 0.18);
}

.table th {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
}

.table tbody tr:hover {
    background: rgba(124, 58, 237, 0.12);
}

.accordion {
    display: grid;
    gap: var(--space-sm);
}

.accordion-item {
    border-radius: var(--radius-md);
    border: 1px solid rgba(124, 58, 237, 0.25);
    background: rgba(14, 14, 24, 0.78);
    overflow: hidden;
}

.accordion-header {
    padding: var(--space-md);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
    transition: background var(--transition-base);
}

.accordion-header:hover {
    background: rgba(124, 58, 237, 0.12);
}

.accordion-content {
    padding: 0 var(--space-md) var(--space-md);
    color: var(--color-text-dim);
}

.tabs {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.tab {
    padding: var(--space-xs) var(--space-md);
    border-radius: 999px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--color-text-muted);
    cursor: pointer;
    border: 1px solid transparent;
    transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.tab.is-active {
    background: rgba(0, 255, 209, 0.14);
    color: var(--color-secondary);
    border-color: rgba(0, 255, 209, 0.35);
}

.tab-panels > div {
    display: none;
}

.tab-panels > div.is-active {
    display: block;
}

.cta-block {
    margin-top: var(--space-xl);
    text-align: center;
}

.cta-block p {
    font-size: 1.05rem;
    color: var(--color-text-dim);
}

.cta-block .btn {
    margin-top: var(--space-md);
}

/* -------------------------------------------------------------------------- */
/* 首页模块 */
/* -------------------------------------------------------------------------- */

.applications-section {
    overflow: hidden;
}

.applications-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(280px, 360px);
    gap: var(--space-md);
    overflow-x: auto;
    padding: var(--space-sm) 0 var(--space-md);
    scroll-snap-type: x mandatory;
}

.applications-track::-webkit-scrollbar {
    height: 6px;
}

.applications-track::-webkit-scrollbar-thumb {
    background: rgba(124, 58, 237, 0.4);
    border-radius: 999px;
}

.application-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: rgba(14, 14, 24, 0.8);
    border: 1px solid rgba(124, 58, 237, 0.28);
    scroll-snap-align: start;
    min-height: 320px;
    display: grid;
    grid-template-rows: 1.2fr 1fr;
    box-shadow: var(--shadow-soft);
}

.application-media {
    position: relative;
    overflow: hidden;
}

.application-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(1.15);
    transform: scale(1.02);
    transition: transform var(--transition-base), filter var(--transition-base);
}

.application-card:hover .application-media img {
    transform: scale(1.08);
    filter: saturate(1.3);
}

.application-content {
    padding: var(--space-md);
    display: grid;
    gap: var(--space-xs);
}

.application-content h3 {
    margin-bottom: 0;
    color: var(--color-text);
}

.application-content p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.application-content .chip-list {
    margin-top: var(--space-xs);
}

.scroll-controls {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.scroll-button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(124, 58, 237, 0.28);
    background: rgba(12, 12, 20, 0.84);
    color: var(--color-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.scroll-button:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 255, 209, 0.45);
    background: rgba(124, 58, 237, 0.18);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.advantage-card {
    position: relative;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(16, 16, 26, 0.82);
    border: 1px solid rgba(124, 58, 237, 0.24);
    overflow: hidden;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.advantage-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 255, 209, 0.35);
}

.advantage-card::before {
    content: "";
    position: absolute;
    inset: -32% 65% 15% -35%;
    background: linear-gradient(135deg, rgba(0, 255, 209, 0.15), transparent 70%);
    filter: blur(12px);
}

.advantage-card h3 {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.advantage-metric {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-secondary);
    letter-spacing: 0.12em;
}

.tech-showcase {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.tech-layer {
    position: relative;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, rgba(16, 16, 30, 0.78), rgba(12, 12, 22, 0.92));
    border: 1px solid rgba(124, 58, 237, 0.32);
    overflow: hidden;
}

.tech-layer::before {
    content: attr(data-layer);
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: rgba(0, 255, 209, 0.4);
    letter-spacing: 0.18em;
}

.tech-layer h3 {
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.tech-layer ul {
    display: grid;
    gap: var(--space-xs);
}

.solution-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.solution-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(14, 14, 25, 0.78);
    border: 1px solid rgba(124, 58, 237, 0.2);
    transition: transform var(--transition-base), border-color var(--transition-base);
    display: grid;
    gap: var(--space-sm);
}

.solution-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 255, 209, 0.32);
}

.solution-card h3 {
    color: var(--color-text);
}

.solution-card .badge {
    justify-self: flex-start;
}

.solution-card ul {
    display: grid;
    gap: var(--space-2xs);
}

.logo-note {
    text-align: center;
    margin-top: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.news-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.news-card {
    display: grid;
    gap: var(--space-sm);
    background: rgba(15, 15, 24, 0.78);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.24);
    padding: var(--space-lg);
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 255, 209, 0.32);
}

.news-meta {
    display: flex;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    color: var(--color-secondary);
    font-weight: 500;
}

.cta-banner {
    position: relative;
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    background: radial-gradient(circle at 10% 20%, rgba(0, 255, 209, 0.22), transparent 65%),
                radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.25), transparent 60%),
                rgba(16, 16, 28, 0.85);
    border: 1px solid rgba(124, 58, 237, 0.3);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.cta-banner h2 {
    margin-bottom: var(--space-sm);
}

.cta-banner p {
    max-width: 620px;
    margin: 0 auto var(--space-md);
}

/* -------------------------------------------------------------------------- */
/* 内页通用 */
/* -------------------------------------------------------------------------- */

.page-hero {
    position: relative;
    padding: calc(var(--space-2xl) + var(--header-height)) 0 var(--space-2xl);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(9, 9, 17, 0.92), rgba(24, 18, 44, 0.72));
}

.page-hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--space-lg);
}

.page-hero .breadcrumb {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.2rem);
    color: var(--color-text);
}

.page-hero p {
    font-size: 1.1rem;
    max-width: 640px;
    color: rgba(237, 238, 248, 0.85);
}

.page-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.pill-highlight {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-2xs) var(--space-sm);
    border-radius: 999px;
    background: rgba(124, 58, 237, 0.18);
    color: var(--color-secondary);
    letter-spacing: 0.1em;
    font-size: 0.82rem;
    text-transform: uppercase;
}

.mission-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.mission-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(14, 14, 24, 0.82);
    border: 1px solid rgba(124, 58, 237, 0.22);
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: attr(data-label);
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: rgba(0, 255, 209, 0.45);
    letter-spacing: 0.16em;
}

.mission-card p {
    margin-bottom: 0;
}

.key-metric-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.key-metric {
    position: relative;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 255, 209, 0.22);
    background: rgba(12, 12, 22, 0.82);
    text-align: center;
    overflow: hidden;
}

.key-metric strong {
    display: block;
    font-size: 2.6rem;
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.key-metric span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.value-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.value-card {
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.2);
    background: rgba(15, 15, 24, 0.78);
    position: relative;
}

.value-card h3 {
    color: var(--color-secondary);
}

.value-card p {
    margin: var(--space-sm) 0 0;
}

.value-card .badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
}

.timeline-showcase {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.timeline-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 360px;
    border: 1px solid rgba(124, 58, 237, 0.25);
    background: rgba(16, 16, 28, 0.75);
}

.timeline-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.75;
}

.timeline-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(0, 255, 209, 0.2));
    mix-blend-mode: screen;
}

.quote-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 255, 209, 0.28);
    background: rgba(12, 12, 24, 0.86);
    font-size: 1.05rem;
    line-height: 1.8;
}

.quote-card footer {
    margin-top: var(--space-sm);
    color: var(--color-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

.video-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: rgba(12, 12, 22, 0.8);
    border: 1px solid rgba(124, 58, 237, 0.24);
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: transform var(--transition-base);
}

.video-frame::after {
    content: "►";
    position: absolute;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 255, 209, 0.4);
    border: 1px solid rgba(124, 58, 237, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 12px 24px rgba(0, 255, 209, 0.35);
    transition: transform var(--transition-base), background var(--transition-base);
}

.video-frame:hover img {
    transform: scale(1.06);
}

.video-frame:hover::after {
    transform: scale(1.1);
    background: rgba(0, 255, 209, 0.55);
}

.culture-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.culture-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.2);
    background: rgba(14, 14, 24, 0.82);
    position: relative;
}

.culture-card strong {
    color: var(--color-secondary);
    font-size: 0.92rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.talent-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.talent-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(12, 12, 24, 0.86);
    border: 1px solid rgba(0, 255, 209, 0.2);
}

.talent-card h4 {
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.talent-card ul {
    display: grid;
    gap: var(--space-2xs);
}

.lab-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.lab-card {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.24);
    background: rgba(14, 14, 26, 0.82);
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr;
}

.lab-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.lab-card-content {
    padding: var(--space-lg);
    display: grid;
    gap: var(--space-sm);
}

.data-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-2xs) var(--space-xs);
    border-radius: 999px;
    background: rgba(0, 255, 209, 0.18);
    color: var(--color-secondary);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.patent-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.patent-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(12, 12, 24, 0.82);
    border: 1px solid rgba(124, 58, 237, 0.25);
}

.patent-card h3 {
    color: var(--color-secondary);
}

.factory-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.factory-card {
    position: relative;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(14, 14, 24, 0.8);
    border: 1px solid rgba(124, 58, 237, 0.22);
    overflow: hidden;
}

.factory-card::before {
    content: "";
    position: absolute;
    inset: -20% 50% auto -30%;
    height: 200%;
    background: linear-gradient(135deg, rgba(0, 255, 209, 0.25), transparent 70%);
    filter: blur(22px);
}

.factory-card h3 {
    position: relative;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.factory-card p,
.factory-card ul,
.factory-card .chip-list {
    position: relative;
}

.facility-map {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(124, 58, 237, 0.25);
    background: rgba(12, 12, 22, 0.78);
}

.facility-map img {
    display: block;
    width: 100%;
    height: auto;
    opacity: 0.8;
}

.facility-map::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(0, 255, 209, 0.2));
    mix-blend-mode: screen;
}

.process-flow {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.process-step {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 255, 209, 0.2);
    background: rgba(14, 14, 24, 0.82);
}

.process-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.3);
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.concept-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.concept-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.24);
    background: rgba(14, 14, 24, 0.82);
}

.concept-card h3 {
    color: var(--color-secondary);
}

.tutorial-steps {
    display: grid;
    gap: var(--space-md);
}

.tutorial-step {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 255, 209, 0.22);
    background: rgba(12, 12, 22, 0.86);
    padding: var(--space-lg);
    position: relative;
}

.tutorial-step strong {
    font-family: var(--font-mono);
    color: var(--color-secondary);
    letter-spacing: 0.08em;
}

.tutorial-diagram {
    margin-top: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.22);
    background: rgba(10, 10, 20, 0.85);
    padding: var(--space-lg);
    text-align: center;
    color: var(--color-text-muted);
}

.roadmap-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.stage-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 255, 209, 0.24);
    background: rgba(12, 12, 24, 0.82);
}

.stage-card h3 {
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.stage-card span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(198, 248, 255, 0.8);
}

.paper-list {
    display: grid;
    gap: var(--space-md);
}

.paper-item {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(15, 15, 24, 0.82);
    border: 1px solid rgba(124, 58, 237, 0.22);
}

.paper-item h3 {
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.paper-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.product-overview {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.product-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 58, 237, 0.24);
    background: rgba(12, 12, 22, 0.82);
    display: grid;
    gap: var(--space-sm);
}

.product-card h3 {
    color: var(--color-secondary);
}

.spec-grid {
    display: grid;
    gap: var(--space-sm);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.spec-card {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: rgba(14, 14, 25, 0.82);
    border: 1px solid rgba(124, 58, 237, 0.2);
}

.spec-card strong {
    display: block;
    color: var(--color-secondary);
}
/* -------------------------------------------------------------------------- */
/* 页脚 */
/* -------------------------------------------------------------------------- */

.footer {
    position: relative;
    background: rgba(10, 10, 16, 0.9);
    border-top: 1px solid rgba(124, 58, 237, 0.25);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: var(--space-2xl);
}

.footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 10%, rgba(124, 58, 237, 0.2), transparent 55%),
                radial-gradient(circle at 80% -10%, rgba(0, 255, 209, 0.2), transparent 60%);
    opacity: 0.7;
    pointer-events: none;
}

.footer-grid {
    position: relative;
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer h4 {
    color: var(--color-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.footer ul {
    display: grid;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.footer a {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

.footer a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(124, 58, 237, 0.18);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* -------------------------------------------------------------------------- */
/* 表单与输入 */
/* -------------------------------------------------------------------------- */

.form-grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.form-control {
    display: grid;
    gap: var(--space-2xs);
}

.form-control label {
    font-size: 0.95rem;
    color: var(--color-text);
    letter-spacing: 0.04em;
}

.form-control input,
.form-control textarea,
.form-control select {
    background: rgba(16, 16, 24, 0.9);
    border: 1px solid rgba(124, 58, 237, 0.28);
    border-radius: var(--radius-md);
    padding: 0.9rem 1rem;
    color: var(--color-text);
    font-size: 0.95rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control input:focus,
.form-control textarea:focus,
.form-control select:focus {
    outline: none;
    border-color: rgba(0, 255, 209, 0.55);
    box-shadow: 0 0 0 3px rgba(0, 255, 209, 0.15);
}

.form-control textarea {
    min-height: 160px;
    resize: vertical;
}

.form-actions {
    margin-top: var(--space-lg);
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* -------------------------------------------------------------------------- */
/* 响应式设计 */
/* -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .media-card {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--space-lg);
    }

    .timeline::before {
        left: 18px;
    }

    .timeline-item::before {
        left: -96px;
    }
}

@media (max-width: 920px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        position: fixed;
        inset: var(--header-height) 0 auto;
        background: rgba(9, 9, 17, 0.96);
        border-top: 1px solid rgba(124, 58, 237, 0.18);
        padding: var(--space-lg) var(--space-md);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
        transform: translateY(-16px);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base), transform var(--transition-base);
    }

    .nav-menu.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .dropdown-menu {
        position: static;
        background: rgba(11, 11, 19, 0.9);
        border: 1px solid rgba(124, 58, 237, 0.2);
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        transition: none;
        will-change: auto;
    }

    .dropdown-menu::before {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .nav-actions {
        margin-left: auto;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--space-xl) + var(--header-height));
    }

    .timeline-item::before {
        position: static;
        transform: none;
        display: block;
        margin-bottom: var(--space-xs);
    }

    .timeline-item::after {
        display: none;
    }
}

@media (max-width: 640px) {
    :root {
        --header-height: 74px;
        --space-2xl: 4rem;
    }

    body {
        font-size: 15px;
    }

    section {
        padding: var(--space-xl) 0;
    }

    .hero-tagline {
        font-size: 0.8rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .logo-item {
        height: 80px;
    }
}

/* -------------------------------------------------------------------------- */
/* 动画关键帧 */
/* -------------------------------------------------------------------------- */

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 12px rgba(0, 255, 209, 0.35);
    }
    50% {
        box-shadow: 0 0 28px rgba(124, 58, 237, 0.55);
    }
}

@keyframes floatUp {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(120%);
    }
}

.animate-float {
    animation: floatUp 6s ease-in-out infinite;
}

.animate-glow {
    animation: glowPulse 4s ease-in-out infinite;
}

.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 35%, rgba(255, 255, 255, 0.28), transparent 65%);
    transform: translateX(-100%);
    animation: shimmer 8s ease-in-out infinite;
}