/* ============================================
   极策科技官网 - JICEGEO Style Sheet v2.0
   炫酷增强版 | 2026-05-28
   ============================================ */

/* ===== CSS Variables ===== */
:root {
    --color-primary: #0066FF;
    --color-primary-dark: #003399;
    --color-primary-light: #E8F4FD;
    --color-primary-gradient: linear-gradient(135deg, #0066FF 0%, #0033CC 50%, #001A80 100%);
    --color-accent: #00D4FF;
    --color-accent-gradient: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);

    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 30px rgba(0,102,255,0.4);
    --shadow-glow-accent: 0 0 30px rgba(0,212,255,0.4);

    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    --navbar-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; font-size: inherit; }
input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }

/* ===== Cursor Glow ===== */
.cursor-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,102,255,0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
}

.cursor-glow.active {
    opacity: 1;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ===== Section ===== */
.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section__tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    text-transform: uppercase;
    margin-bottom: var(--space-3);
    position: relative;
}

.section__tag::before,
.section__tag::after {
    content: '';
    display: inline-block;
    width: 30px;
    height: 1px;
    background: var(--color-primary);
    vertical-align: middle;
    margin: 0 var(--space-3);
    opacity: 0.5;
}

.section__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.section__desc {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn__arrow {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

.btn--primary {
    background: var(--color-accent-gradient);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-accent);
}

.btn--glow {
    animation: btnPulse 3s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0,212,255,0.3); }
    50% { box-shadow: 0 0 40px rgba(0,212,255,0.6); }
}

.btn--glass {
    background: rgba(255,255,255,0.1);
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn--glass:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn--outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--color-white);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-xl);
}

.btn--block {
    display: flex;
    width: 100%;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar--scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05), var(--shadow-sm);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar__logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.navbar__logo-text {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 0.08em;
    transition: all var(--transition-base);
}

.navbar--scrolled .navbar__logo-text {
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar__nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.navbar__link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.navbar__link:hover,
.navbar__link.active {
    color: var(--color-white);
}

.navbar__link:hover::after,
.navbar__link.active::after {
    width: 60%;
}

.navbar--scrolled .navbar__link {
    color: var(--color-gray-600);
}

.navbar--scrolled .navbar__link:hover,
.navbar--scrolled .navbar__link.active {
    color: var(--color-primary);
}

.navbar--scrolled .navbar__link:hover::after,
.navbar--scrolled .navbar__link.active::after {
    background: var(--color-primary);
}

.navbar__cta {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
}

/* Hamburger */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    z-index: 1001;
}

.navbar__hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.navbar--scrolled .navbar__hamburger-line {
    background: var(--color-gray-800);
}

.navbar__hamburger.active .navbar__hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.active .navbar__hamburger-line:nth-child(2) {
    opacity: 0;
}
.navbar__hamburger.active .navbar__hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #000428 0%, #001845 30%, #003366 60%, #001845 100%);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
}

.hero__gradient-mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0,102,255,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0,212,255,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(0,51,153,0.2) 0%, transparent 50%);
    animation: meshShift 15s ease-in-out infinite;
}

@keyframes meshShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 浮动几何装饰 */
.hero__shapes {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero__shape {
    position: absolute;
    border: 1px solid rgba(0,212,255,0.15);
    border-radius: var(--radius-lg);
    animation: shapeFloat 20s ease-in-out infinite;
}

.hero__shape--1 {
    width: 80px;
    height: 80px;
    top: 15%;
    left: 10%;
    transform: rotate(45deg);
    animation-delay: 0s;
    animation-duration: 18s;
}

.hero__shape--2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 8%;
    border-radius: 50%;
    animation-delay: -3s;
    animation-duration: 22s;
    border-color: rgba(0,102,255,0.12);
}

.hero__shape--3 {
    width: 60px;
    height: 60px;
    top: 25%;
    right: 20%;
    animation-delay: -6s;
    animation-duration: 16s;
    background: rgba(0,212,255,0.03);
}

.hero__shape--4 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 15%;
    border-radius: 50%;
    animation-delay: -9s;
    animation-duration: 25s;
}

.hero__shape--5 {
    width: 40px;
    height: 40px;
    top: 70%;
    left: 30%;
    transform: rotate(30deg);
    animation-delay: -12s;
    animation-duration: 20s;
    background: rgba(0,102,255,0.05);
}

.hero__shape--6 {
    width: 150px;
    height: 150px;
    top: 10%;
    right: 5%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: -4s;
    animation-duration: 28s;
    border-color: rgba(0,212,255,0.08);
}

@keyframes shapeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.6; }
    25% { transform: translateY(-30px) rotate(5deg); opacity: 0.8; }
    50% { transform: translateY(-15px) rotate(-3deg); opacity: 0.5; }
    75% { transform: translateY(-40px) rotate(8deg); opacity: 0.7; }
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    padding: var(--space-20) 0 var(--space-12);
    max-width: 900px;
}

/* 渐变标签 */
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    backdrop-filter: blur(10px);
    margin-bottom: var(--space-8);
    letter-spacing: 0.05em;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,212,255,0.5); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(0,212,255,0); }
}

.hero__title {
    font-size: var(--text-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero__title-line {
    display: block;
}

.hero__title-gradient {
    background: linear-gradient(135deg, #00D4FF 0%, #0066FF 40%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientText 5s ease-in-out infinite;
}

@keyframes gradientText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero__subtitle-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.hero__subtitle {
    font-size: var(--text-lg);
    font-weight: 300;
    letter-spacing: 0.1em;
    opacity: 0.85;
}

.hero__divider {
    opacity: 0.3;
    font-weight: 200;
}

/* 打字机 */
.hero__typewriter {
    font-size: var(--text-xl);
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--space-10);
    min-height: 2em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.hero__typewriter-label {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
    font-weight: 400;
    white-space: nowrap;
}

.hero__typewriter-cursor {
    color: var(--color-accent);
    animation: cursorBlink 1s step-end infinite;
    font-weight: 200;
}

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

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-12);
}

/* Hero 数据亮点 */
.hero__highlights {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-6) var(--space-10);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
}

.hero__highlight {
    text-align: center;
}

.hero__highlight-value {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.2;
}

.hero__highlight-label {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.6);
    margin-top: var(--space-1);
}

.hero__highlight-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

/* 滚动指示器 */
.hero__scroll {
    position: absolute;
    bottom: var(--space-10);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    animation: scrollFade 3s ease-in-out infinite;
}

@keyframes scrollFade {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero__scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 13px;
    position: relative;
}

.hero__scroll-wheel {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.6);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

.hero__scroll-text {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.1em;
}

/* ===== About ===== */
.about {
    background: var(--color-white);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: start;
}

.about__item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.about__item:hover {
    background: var(--color-gray-50);
    transform: translateX(4px);
}

.about__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--color-primary);
}

.about__item-content h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.about__item-content p {
    font-size: var(--text-base);
    color: var(--color-gray-500);
    line-height: 1.7;
}

.about__vision {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.about__vision-card {
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(0,102,255,0.03) 0%, rgba(0,212,255,0.05) 100%);
    border: 1px solid rgba(0,102,255,0.08);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about__vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-accent-gradient);
}

.about__vision-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(0,102,255,0.15);
}

.about__vision-icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.about__vision-card h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.about__vision-card p {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===== GEO Tech ===== */
.geo-tech {
    background: var(--color-gray-50);
    position: relative;
}

.geo-tech::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,102,255,0.2), transparent);
}

.geo-tech__intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
    padding: var(--space-12);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,102,255,0.06);
    position: relative;
    overflow: hidden;
}

.geo-tech__intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
}

.geo-tech__intro-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.geo-tech__intro h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.geo-tech__intro p {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    line-height: 1.8;
}

/* SEO vs GEO 对比 */
.geo-tech__comparison {
    margin-bottom: var(--space-16);
}

.geo-tech__comparison-title {
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-8);
}

.geo-tech__comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-6);
    align-items: stretch;
}

.geo-tech__comparison-card {
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.geo-tech__comparison-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.geo-tech__comparison-card--old {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
}

.geo-tech__comparison-card--new {
    background: linear-gradient(135deg, #001845 0%, #003366 50%, #001A80 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.geo-tech__comparison-card--new::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
}

.geo-tech__comparison-label {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid rgba(0,0,0,0.08);
}

.geo-tech__comparison-card--new .geo-tech__comparison-label {
    border-bottom-color: rgba(255,255,255,0.2);
    position: relative;
}

.geo-tech__comparison-list li {
    padding: var(--space-3) 0;
    font-size: var(--text-base);
    line-height: 1.6;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.geo-tech__comparison-card--new .geo-tech__comparison-list li {
    border-bottom-color: rgba(255,255,255,0.1);
}

.geo-tech__comparison-list li:last-child {
    border-bottom: none;
}

.geo-tech__comparison-vs {
    display: flex;
    align-items: center;
    justify-content: center;
}

.geo-tech__comparison-vs span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    color: var(--color-white);
    font-size: var(--text-lg);
    font-weight: 800;
    box-shadow: var(--shadow-glow-accent);
}

/* GEO 四层架构 */
.geo-tech__arch {
    margin-bottom: var(--space-16);
}

.geo-tech__arch h3 {
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-8);
}

.geo-tech__arch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.geo-tech__arch-layer {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.geo-tech__arch-layer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
}

.geo-tech__arch-layer:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.geo-tech__arch-num {
    font-size: var(--text-4xl);
    font-weight: 900;
    background: linear-gradient(135deg, rgba(0,102,255,0.08) 0%, rgba(0,212,255,0.05) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-3);
}

.geo-tech__arch-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    color: var(--color-primary);
}

.geo-tech__arch-layer h4 {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.geo-tech__arch-layer p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* 市场数据 */
.geo-tech__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    padding: var(--space-12);
    background: linear-gradient(135deg, #000428 0%, #001845 40%, #003366 100%);
    border-radius: var(--radius-2xl);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.geo-tech__stats::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(0,212,255,0.08) 0%, transparent 50%);
    animation: statsGlow 10s ease-in-out infinite;
}

@keyframes statsGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(5%, -5%); }
}

.geo-tech__stat {
    text-align: center;
    position: relative;
    z-index: 1;
}

.geo-tech__stat-value {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 900;
    margin-bottom: var(--space-2);
    color: var(--color-accent);
}

.geo-tech__stat-label {
    font-size: var(--text-sm);
    opacity: 0.7;
}

/* ===== AI Scenarios ===== */
.scenarios {
    background: var(--color-white);
    position: relative;
}

.scenarios::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,212,255,0.2), transparent);
}

.scenarios__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.scenarios__card {
    padding: var(--space-8);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.scenarios__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.scenarios__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0,102,255,0.15);
    background: var(--color-white);
}

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

.scenarios__card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.scenarios__card-ai {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(0,212,255,0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
    letter-spacing: 0.05em;
}

.scenarios__card-question {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.scenarios__card-ask {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.scenarios__cta {
    text-align: center;
}

.scenarios__cta p {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.scenarios__cta strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== Advantages ===== */
.advantages {
    background: var(--color-white);
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.advantages__card {
    padding: var(--space-10);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-gray-200);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.advantages__card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.advantages__card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.advantages__card:hover .advantages__card-glow {
    transform: scaleX(1);
}

.advantages__icon {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    transition: transform var(--transition-base);
}

.advantages__card:hover .advantages__icon {
    transform: scale(1.1);
}

.advantages__card-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.advantages__card-subtitle {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.advantages__card-list li {
    padding: var(--space-2) 0;
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: 1.6;
}

.advantages__card-list li strong {
    color: var(--color-gray-800);
}

/* ===== Cases ===== */
.cases {
    background: var(--color-gray-50);
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.cases__card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid transparent;
}

.cases__card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(0,102,255,0.1);
}

.cases__card-header {
    padding: var(--space-8);
    background: linear-gradient(135deg, #001845 0%, #003366 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.cases__card-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
}

.cases__card-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    background: rgba(0,212,255,0.2);
    color: var(--color-accent);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
}

.cases__card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.cases__card-body {
    padding: var(--space-8);
}

.cases__card-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.cases__keyword {
    display: inline-block;
    font-size: var(--text-sm);
    color: var(--color-primary);
    background: var(--color-primary-light);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.cases__card-result {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===== Process ===== */
.process {
    background: var(--color-white);
}

.process__timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process__timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 36px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-primary), rgba(0,102,255,0.1));
}

.process__step {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6) 0;
    position: relative;
}

.process__step-number {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-white);
    background: var(--color-accent-gradient);
    border-radius: var(--radius-full);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-glow-accent);
    transition: transform var(--transition-spring);
}

.process__step:hover .process__step-number {
    transform: scale(1.1);
}

.process__step-content {
    padding-top: var(--space-4);
}

.process__step-content h3 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.process__step-content p {
    font-size: var(--text-base);
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* ===== Contact ===== */
.contact {
    background: var(--color-gray-50);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

.contact__info-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.contact__info-item:hover {
    padding-left: var(--space-2);
    border-bottom-color: var(--color-primary);
}

.contact__info-item:last-child {
    border-bottom: none;
}

.contact__info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.contact__info-item h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-1);
}

.contact__info-item p {
    font-size: var(--text-base);
    color: var(--color-gray-500);
}

.contact__form {
    background: var(--color-white);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0,102,255,0.06);
}

.contact__form-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
    text-align: center;
}

.contact__form-group {
    margin-bottom: var(--space-5);
}

.contact__form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.contact__form-label .required {
    color: var(--color-error);
}

.contact__form-input {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-base);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    background: var(--color-gray-50);
}

.contact__form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0,102,255,0.08);
    background: var(--color-white);
}

.contact__form-input::placeholder {
    color: var(--color-gray-400);
}

.contact__form-textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__form .btn {
    margin-top: var(--space-2);
    padding: var(--space-4);
    font-size: var(--text-lg);
    font-weight: 700;
    border-radius: var(--radius-lg);
}

.contact__form-input.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 4px rgba(239,68,68,0.08);
}

.contact__form-error {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-1);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,212,255,0.3), transparent);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer__logo {
    font-size: var(--text-2xl);
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.08em;
    line-height: 1;
    display: inline-block;
}

.footer__desc {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-gray-400);
}

.footer__nav h4,
.footer__contact h4 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__nav li,
.footer__contact li {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
}

.footer__nav a {
    transition: all var(--transition-fast);
}

.footer__nav a:hover {
    color: var(--color-accent);
    padding-left: var(--space-2);
}

.footer__contact li {
    color: var(--color-gray-400);
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: var(--space-6);
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background: var(--color-accent-gradient);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow-accent);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 0 40px rgba(0,212,255,0.6);
}

/* ===== Scroll Animations ===== */
[data-animate] {
    opacity: 0;
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0, 0);
}

/* ===== Responsive: Tablet ===== */
@media (max-width: 1199px) {
    :root {
        --text-6xl: 3.5rem;
        --text-5xl: 2.75rem;
        --text-4xl: 2rem;
    }

    .container { padding: 0 var(--space-6); }
    .section { padding: var(--space-16) 0; }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

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

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

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

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

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

    .contact__grid {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 767px) {
    :root {
        --text-6xl: 2.25rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
        --navbar-height: 60px;
    }

    .cursor-glow { display: none; }

    .section { padding: var(--space-12) 0; }
    .section__header { margin-bottom: var(--space-10); }

    /* Navbar mobile */
    .navbar__hamburger { display: flex; }

    .navbar__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--navbar-height) + var(--space-6)) var(--space-6) var(--space-6);
        box-shadow: -4px 0 20px rgba(0,0,0,0.15);
        transition: right var(--transition-base);
        z-index: 1000;
    }

    .navbar__nav.active { right: 0; }

    .navbar__nav::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: -1;
    }

    .navbar__nav.active::before {
        opacity: 1;
        visibility: visible;
    }

    .navbar__menu {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
    }

    .navbar__link {
        color: var(--color-gray-700);
        padding: var(--space-4) var(--space-3);
        border-bottom: 1px solid var(--color-gray-100);
    }

    .navbar__link::after { display: none; }

    .navbar__link:hover,
    .navbar__link.active {
        color: var(--color-primary);
        background: var(--color-primary-light);
    }

    .navbar__cta {
        width: 100%;
        text-align: center;
        margin-top: var(--space-4);
    }

    /* Hero mobile */
    .hero__content { padding: var(--space-16) 0 var(--space-8); }
    .hero__badge { font-size: var(--text-xs); margin-bottom: var(--space-6); }
    .hero__title { font-size: var(--text-3xl); }
    .hero__subtitle-wrap { flex-direction: column; gap: var(--space-1); }
    .hero__divider { display: none; }
    .hero__subtitle { font-size: var(--text-sm); }
    .hero__typewriter { font-size: var(--text-base); }
    .hero__actions { flex-direction: column; width: 100%; }
    .hero__actions .btn { width: 100%; }
    .hero__highlights {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6);
    }
    .hero__highlight-divider {
        width: 40px;
        height: 1px;
    }

    .hero__shapes { display: none; }

    /* GEO mobile */
    .geo-tech__comparison-grid { grid-template-columns: 1fr; }
    .geo-tech__comparison-vs { justify-content: center; padding: var(--space-2) 0; }
    .geo-tech__arch-grid { grid-template-columns: 1fr; }
    .geo-tech__stats {
        grid-template-columns: 1fr 1fr;
        padding: var(--space-8) var(--space-4);
    }

    /* Advantages mobile */
    .advantages__grid { grid-template-columns: 1fr; }

    /* Scenarios mobile */
    .scenarios__grid { grid-template-columns: 1fr; }

    /* Cases mobile */
    .cases__grid { grid-template-columns: 1fr; }

    /* Process mobile */
    .process__timeline::before { left: 28px; }
    .process__step-number { width: 56px; height: 56px; font-size: var(--text-lg); }

    /* Contact mobile */
    .contact__form { padding: var(--space-6); }

    /* Footer mobile */
    .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
    .footer__bottom { font-size: var(--text-xs); }
}


/* ============================================
   GEO 引用来源倾向 (geo-sources)
   ============================================ */
.geo-sources {
    background: var(--color-gray-50);
    position: relative;
    overflow: hidden;
}
.geo-sources::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,102,255,0.25), transparent);
}
.geo-sources::after {
    content: '';
    position: absolute;
    top: -120px; right: -120px;
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(0,212,255,0.18), transparent 70%);
    pointer-events: none;
}

.geo-sources__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
    margin-bottom: var(--space-10);
}
.geo-sources__tab {
    position: relative;
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    color: var(--color-gray-700);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-sans);
}
.geo-sources__tab:hover {
    color: var(--color-primary);
    border-color: rgba(0,102,255,0.35);
    transform: translateY(-1px);
}
.geo-sources__tab.is-active {
    background: var(--color-primary-gradient);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}
.geo-sources__tab.is-active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent);
}

.geo-sources__table-wrap {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: relative;
    z-index: 1;
}
.geo-sources__table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--text-sm);
}
.geo-sources__table thead th {
    background: linear-gradient(135deg, rgba(0,102,255,0.08), rgba(0,212,255,0.08));
    color: var(--color-gray-700);
    font-weight: 600;
    text-align: left;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-gray-200);
    white-space: nowrap;
}
.geo-sources__table tbody td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-800);
    vertical-align: middle;
}
.geo-sources__table tbody tr:last-child td { border-bottom: none; }
.geo-sources__table tbody tr {
    transition: background var(--transition-fast);
}
.geo-sources__table tbody tr:hover {
    background: rgba(0,102,255,0.04);
}

.geo-sources__name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-gray-900);
    font-weight: 500;
}

.geo-sources__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--color-gray-300);
    transition: transform var(--transition-base);
}
.geo-sources__dot.is-top {
    background: #FF4D6D;
    box-shadow: 0 0 0 3px rgba(255,77,109,0.18), 0 0 12px rgba(255,77,109,0.5);
    animation: geoDotPulseTop 1.8s ease-in-out infinite;
}
.geo-sources__dot.is-high {
    background: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,102,255,0.18), 0 0 10px rgba(0,102,255,0.45);
    animation: geoDotPulse 2.2s ease-in-out infinite;
}
.geo-sources__dot.is-mid {
    background: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(0,212,255,0.18);
}
.geo-sources__dot.is-low {
    background: var(--color-gray-300);
}
.geo-sources__table tbody tr:hover .geo-sources__dot {
    transform: scale(1.25);
}

@keyframes geoDotPulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(0,102,255,0.18), 0 0 10px rgba(0,102,255,0.45); }
    50%      { box-shadow: 0 0 0 6px rgba(0,102,255,0.06), 0 0 16px rgba(0,102,255,0.65); }
}
@keyframes geoDotPulseTop {
    0%, 100% { box-shadow: 0 0 0 3px rgba(255,77,109,0.18), 0 0 12px rgba(255,77,109,0.5); }
    50%      { box-shadow: 0 0 0 7px rgba(255,77,109,0.06), 0 0 18px rgba(255,77,109,0.7); }
}

.geo-sources__rate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--text-xs);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    transition: all var(--transition-base);
}
.geo-sources__rate.is-top {
    background: linear-gradient(135deg, #FF4D6D 0%, #FF8A5C 100%);
    color: #fff;
    box-shadow: 0 6px 16px rgba(255,77,109,0.28);
}
.geo-sources__rate.is-high {
    background: var(--color-accent-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,102,255,0.25);
}
.geo-sources__rate.is-mid {
    background: rgba(0,102,255,0.16);
    color: var(--color-primary-dark);
}

#geoSourcesBody {
    transition: opacity 0.18s ease;
}
#geoSourcesBody.is-fading {
    opacity: 0;
}

.geo-sources__note {
    margin-top: var(--space-5);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--text-xs);
}

.geo-sources__cta {
    margin-top: var(--space-10);
    text-align: center;
}
.geo-sources__cta p {
    color: var(--color-gray-700);
    margin-bottom: var(--space-5);
    font-size: var(--text-base);
}

@media (max-width: 1024px) {
    .geo-sources__table thead { display: none; }
    .geo-sources__table,
    .geo-sources__table tbody,
    .geo-sources__table tr,
    .geo-sources__table td { display: block; width: 100%; }
    .geo-sources__table tbody tr {
        display: grid;
        grid-template-columns: 1fr auto;
        column-gap: var(--space-4);
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--color-gray-100);
    }
    .geo-sources__table tbody tr td {
        padding: 6px 0;
        border-bottom: none;
    }
}
@media (max-width: 640px) {
    .geo-sources__tab {
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-xs);
    }
}


/* ============================================
   Logo: 导航栏 / 页脚
   ============================================ */
.navbar__logo {
    gap: 10px;
}
.navbar__logo-img {
    height: 34px;
    width: auto;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(0,102,255,0.25));
    transition: transform var(--transition-base);
}
.navbar__logo:hover .navbar__logo-img {
    transform: scale(1.06) rotate(-3deg);
}
.navbar__logo-text {
    font-weight: 800;
    letter-spacing: 0.08em;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer__logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-3);
}
.footer__logo-img {
    height: 36px;
    width: auto;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(0,212,255,0.35));
}
.footer__logo {
    font-size: var(--text-xl);
    font-weight: 800;
    letter-spacing: 0.08em;
    background: linear-gradient(135deg, #FFFFFF 0%, #B5D4FF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ============================================
   AI 搜索卡片 (scenarios) 升级版
   ============================================ */
.scenarios__card {
    padding: var(--space-7) var(--space-6) var(--space-6);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    box-shadow: 0 1px 2px rgba(15,23,42,0.04);
}
.scenarios__card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0,102,255,0.25), rgba(0,212,255,0.25));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}
.scenarios__card:hover::after {
    opacity: 1;
}

.scenarios__card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}
.scenarios__card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    font-size: 1.75rem;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0,102,255,0.08), rgba(0,212,255,0.12));
    box-shadow: inset 0 0 0 1px rgba(0,102,255,0.08);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.scenarios__card:hover .scenarios__card-icon {
    transform: rotate(-6deg) scale(1.08);
}

.scenarios__card-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 6px;
    border-radius: var(--radius-full);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-gray-800);
    transition: all var(--transition-base);
}
.scenarios__card-logo {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    background: #fff;
    box-shadow: 0 2px 6px rgba(15,23,42,0.12);
    flex-shrink: 0;
}
.scenarios__card:hover .scenarios__card-badge {
    background: #fff;
    border-color: rgba(0,102,255,0.35);
    box-shadow: 0 6px 18px rgba(0,102,255,0.12);
    transform: translateY(-1px);
}

/* 按平台微调徽章主色 */
.scenarios__card[data-platform="deepseek"] .scenarios__card-badge { color: #4D6BFE; }
.scenarios__card[data-platform="doubao"]   .scenarios__card-badge { color: #2B5FFF; }
.scenarios__card[data-platform="wenxin"]   .scenarios__card-badge { color: #1F73FF; }
.scenarios__card[data-platform="qianwen"]  .scenarios__card-badge { color: #615CED; }
.scenarios__card[data-platform="kimi"]     .scenarios__card-badge { color: #1D1D1D; }

.scenarios__card-question {
    font-size: var(--text-lg);
    color: var(--color-gray-900);
    line-height: 1.6;
    font-weight: 500;
    margin: 0 0 var(--space-4);
    position: relative;
    padding-left: 14px;
}
.scenarios__card-question::before {
    content: '';
    position: absolute;
    left: 0; top: 8px; bottom: 8px;
    width: 3px;
    border-radius: 3px;
    background: var(--color-accent-gradient);
}
.scenarios__card-ask {
    margin: 0;
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* 移动端 */
@media (max-width: 768px) {
    .scenarios__card-head {
        margin-bottom: var(--space-4);
    }
    .scenarios__card-icon {
        width: 44px; height: 44px;
        font-size: 1.4rem;
    }
    .navbar__logo-img { height: 28px; }
    .footer__logo-img { height: 30px; }
}


/* 横版（带文字）logo 适配 — DeepSeek / 文心一言 */
.scenarios__card-logo--wide {
    width: auto;
    height: 22px;
    border-radius: 4px;
    object-fit: contain;
    background: transparent;
    box-shadow: none;
    padding: 0 2px;
}
.scenarios__card-badge:has(.scenarios__card-logo--wide) > span {
    display: none;
}
.scenarios__card-badge:has(.scenarios__card-logo--wide) {
    padding: 6px 14px;
}


/* ============================================
   Footer logo 对齐微调
   ============================================ */
.footer__logo-wrap {
    margin-bottom: var(--space-4);
}
.footer__logo-img {
    height: 32px;
    align-self: center;
}

/* ============================================
   AI 搜索卡片 — v2 (logo 在顶 / emoji 浮右下)
   ============================================ */
.scenarios__card {
    padding: var(--space-6);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    box-shadow: 0 1px 2px rgba(15,23,42,0.04);
    display: flex;
    flex-direction: column;
}

/* 顶部 logo 区 */
.scenarios__card-head {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 44px;
    margin-bottom: var(--space-5);
}
.scenarios__card-head .scenarios__card-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(15,23,42,0.10);
    object-fit: cover;
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.scenarios__card:hover .scenarios__card-head .scenarios__card-logo {
    transform: scale(1.06) rotate(-4deg);
}
/* 横版（带文字）logo — DeepSeek / 文心一言 */
.scenarios__card-head .scenarios__card-logo--wide {
    width: auto;
    height: 28px;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    object-fit: contain;
}

/* 问题框 + emoji 右下角 */
.scenarios__card-question-wrap {
    position: relative;
    padding: var(--space-5) 64px var(--space-5) var(--space-5);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(0,102,255,0.05) 0%, rgba(0,212,255,0.06) 100%);
    border: 1px solid rgba(0,102,255,0.08);
    margin-bottom: var(--space-4);
    min-height: 96px;
    overflow: hidden;
    transition: all var(--transition-base);
}
.scenarios__card-question-wrap::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 64px;
    line-height: 1;
    font-family: Georgia, 'Times New Roman', serif;
    color: rgba(0,102,255,0.12);
    pointer-events: none;
    user-select: none;
}
.scenarios__card:hover .scenarios__card-question-wrap {
    background: linear-gradient(135deg, rgba(0,102,255,0.09) 0%, rgba(0,212,255,0.10) 100%);
    border-color: rgba(0,102,255,0.22);
}

.scenarios__card-question {
    position: relative;
    z-index: 1;
    margin: 0;
    padding: 0;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    font-weight: 500;
}
.scenarios__card-question::before {
    content: none;
}

/* emoji 行业图标浮在问题框右下角 */
.scenarios__card-question-wrap .scenarios__card-icon {
    position: absolute;
    right: 12px;
    bottom: 8px;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 14px rgba(0,102,255,0.18);
    z-index: 2;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.scenarios__card:hover .scenarios__card-question-wrap .scenarios__card-icon {
    transform: rotate(-10deg) scale(1.08);
}

.scenarios__card-ask {
    margin: 0;
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* 隐藏旧 badge（如果还有遗留） */
.scenarios__card-badge { display: none; }

@media (max-width: 768px) {
    .scenarios__card-head { height: 38px; margin-bottom: var(--space-4); }
    .scenarios__card-head .scenarios__card-logo { width: 32px; height: 32px; }
    .scenarios__card-head .scenarios__card-logo--wide { height: 24px; }
    .scenarios__card-question-wrap { padding-right: 56px; min-height: 88px; }
    .scenarios__card-question-wrap .scenarios__card-icon { width: 38px; height: 38px; font-size: 1.3rem; }
}