/* All Stars Lab - 全中文网站样式 */
/* 主题：黑色/深蓝色/灰色 */

:root {
    --primary-blue: #0a1628;
    --secondary-blue: #1a2744;
    --accent-blue: #2563eb;
    --dark-blue: #050a14;

    --dark-grey: #1a1a1a;
    --medium-grey: #4a4a4a;
    --light-grey: #9ca3af;
    --pale-grey: #f3f4f6;
    --border-grey: #e5e7eb;

    --gold: #f59e0b;
    --gold-light: #fbbf24;

    --text-white: #ffffff;
    --text-dark: #111827;
    --text-grey: #6b7280;

    --gradient-dark: linear-gradient(135deg, #050a14 0%, #0a1628 50%, #1a2744 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--pale-grey);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: -50px;
    right: -50px;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.15) 60%, rgba(0, 0, 0, 0.05) 90%, transparent 100%);
    backdrop-filter: blur(12px);
    border-bottom: none;
    box-shadow: none;
    transition: all 0.3s ease;
    overflow: visible;
    padding-top: 5px;
    padding-bottom: 5px;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.08) 0%, transparent 100%);
    backdrop-filter: blur(8px);
    pointer-events: none;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    margin: -11px 0;
    overflow: visible;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: -50px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 73px;
    width: auto;
    object-fit: contain;
}

.navbar .logo-img {
    height: 63px;
    filter: brightness(0) invert(1);
}

.footer .logo-img {
    height: 57px;
    filter: brightness(0) invert(1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 8px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold);
}

/* ========== 下拉菜单 ========== */
.nav-item {
    position: relative;
}

.nav-item.dropdown > .nav-link::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #ffffff;
    transition: transform 0.3s ease;
}

.nav-item.dropdown:hover > .nav-link::after {
    transform: translateY(-50%) rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 15px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(12px);
    min-width: 200px;
    list-style: none;
    padding: 10px 0;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.nav-item.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 12px 20px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-link:hover {
    background: rgba(245, 158, 11, 0.15);
    border-left-color: var(--gold);
    color: var(--gold);
    padding-left: 24px;
}

.nav-cta {
    background: var(--gradient-gold);
    color: var(--primary-blue);
    padding: 10px 28px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    clip-path: polygon(
        0% 20%,
        15% 20%,
        15% 0%,
        85% 0%,
        85% 20%,
        100% 20%,
        100% 80%,
        85% 80%,
        85% 100%,
        15% 100%,
        15% 80%,
        0% 80%
    );
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ========== Hero区 ========== */
.hero {
    min-height: 100vh;
    background: var(--gradient-dark);
    position: relative;
    padding-top: 70px;
    overflow: visible;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(128, 128, 128, 0.08);
    pointer-events: none;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 60%, rgba(65, 105, 225, 0.12) 0%, transparent 45%),
        radial-gradient(ellipse at 10% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 30% 20%, rgba(147, 51, 234, 0.1) 0%, transparent 35%);
    pointer-events: none;
    z-index: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(128, 128, 128, 0.08);
}

.stars-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--text-white);
    border-radius: 50%;
    opacity: 0.6;
    animation: twinkle 3s ease-in-out infinite;
}

.star:nth-child(1) { top: 15%; left: 10%; animation-delay: 0s; }
.star:nth-child(2) { top: 25%; left: 25%; animation-delay: 0.5s; }
.star:nth-child(3) { top: 10%; left: 40%; animation-delay: 1s; }
.star:nth-child(4) { top: 30%; left: 55%; animation-delay: 1.5s; }
.star:nth-child(5) { top: 20%; left: 70%; animation-delay: 2s; }
.star:nth-child(6) { top: 35%; left: 85%; animation-delay: 0.3s; }
.star:nth-child(7) { top: 50%; left: 15%; animation-delay: 0.8s; }
.star:nth-child(8) { top: 60%; left: 30%; animation-delay: 1.3s; }
.star:nth-child(9) { top: 45%; left: 50%; animation-delay: 1.8s; }
.star:nth-child(10) { top: 55%; left: 65%; animation-delay: 0.2s; }
.star:nth-child(11) { top: 70%; left: 80%; animation-delay: 0.7s; }
.star:nth-child(12) { top: 65%; left: 20%; animation-delay: 1.2s; }
.star:nth-child(13) { top: 80%; left: 45%; animation-delay: 1.7s; }
.star:nth-child(14) { top: 75%; left: 60%; animation-delay: 0.4s; }
.star:nth-child(15) { top: 85%; left: 75%; animation-delay: 0.9s; }

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Larger glowing stars */
.glowing-star {
    position: absolute;
    background: radial-gradient(circle, var(--gold) 0%, rgba(245, 158, 11, 0.4) 40%, transparent 70%);
    border-radius: 50%;
    animation: glow 4s ease-in-out infinite;
}

.glowing-star:nth-child(16) {
    width: 8px;
    height: 8px;
    top: 20%;
    left: 8%;
    animation-delay: 0s;
}

.glowing-star:nth-child(17) {
    width: 6px;
    height: 6px;
    top: 35%;
    left: 18%;
    animation-delay: 1s;
}

.glowing-star:nth-child(18) {
    width: 10px;
    height: 10px;
    top: 55%;
    left: 12%;
    animation-delay: 2s;
}

.glowing-star:nth-child(19) {
    width: 5px;
    height: 5px;
    top: 75%;
    left: 25%;
    animation-delay: 0.5s;
}

.glowing-star:nth-child(20) {
    width: 7px;
    height: 7px;
    top: 40%;
    left: 35%;
    animation-delay: 1.5s;
}

@keyframes glow {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
        box-shadow: 0 0 10px var(--gold), 0 0 20px rgba(245, 158, 11, 0.5);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
        box-shadow: 0 0 20px var(--gold), 0 0 40px rgba(245, 158, 11, 0.8);
    }
}

/* Shooting star effect */
.shooting-star {
    position: absolute;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold));
    border-radius: 50%;
    opacity: 0;
    animation: shoot 8s ease-in-out infinite;
}

.shooting-star:nth-child(21) {
    top: 15%;
    left: 5%;
    animation-delay: 3s;
    transform: rotate(25deg);
}

.shooting-star:nth-child(22) {
    top: 45%;
    left: 15%;
    animation-delay: 6s;
    transform: rotate(35deg);
}

.shooting-star:nth-child(23) {
    top: 25%;
    left: 25%;
    animation-delay: 1s;
    transform: rotate(20deg);
}

.shooting-star:nth-child(24) {
    top: 60%;
    left: 8%;
    animation-delay: 4s;
    transform: rotate(30deg);
}

.shooting-star:nth-child(25) {
    top: 35%;
    left: 40%;
    animation-delay: 7s;
    transform: rotate(15deg);
}

@keyframes shoot {
    0% {
        opacity: 0;
        transform: translateX(0) translateY(0) rotate(25deg);
    }
    10% {
        opacity: 1;
    }
    30% {
        opacity: 0;
        transform: translateX(200px) translateY(100px) rotate(25deg);
    }
    100% {
        opacity: 0;
    }
}

/* Cosmic dust particles */
.cosmic-dust {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(245, 158, 11, 0.5);
    border-radius: 50%;
    animation: float-dust 6s ease-in-out infinite;
}

.cosmic-dust:nth-child(27) { top: 25%; left: 5%; animation-delay: 0s; }
.cosmic-dust:nth-child(28) { top: 40%; left: 15%; animation-delay: 1s; }
.cosmic-dust:nth-child(29) { top: 60%; left: 8%; animation-delay: 2s; }
.cosmic-dust:nth-child(30) { top: 75%; left: 20%; animation-delay: 3s; }
.cosmic-dust:nth-child(31) { top: 30%; left: 30%; animation-delay: 4s; }
.cosmic-dust:nth-child(32) { top: 50%; left: 25%; animation-delay: 5s; }

/* 精致星图 Constellation Stars */
.constellation-stars {
    position: absolute;
    bottom: 2%;
    left: 35%;
    width: 280px;
    height: 280px;
    z-index: 1;
    opacity: 0.5;
    animation: constellation-breathe 6s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.3));
}

.constellation-group {
    animation: group-pulse 4s ease-in-out infinite;
}

.constellation-group:nth-child(2) {
    animation-delay: 2s;
}

.star-connection {
    stroke: var(--gold);
    stroke-width: 0.8;
    stroke-linecap: round;
    opacity: 0.4;
    animation: connection-flicker 3s ease-in-out infinite;
}

.star-connection.faint {
    opacity: 0.25;
    animation-delay: 1.5s;
    stroke: var(--gold);
}

.star-point {
    fill: var(--gold);
    filter: url(#glow);
    animation: star-twinkle 2.5s ease-in-out infinite;
}

.star-point:nth-child(odd) {
    animation-delay: 0.5s;
}

.star-point.main {
    r: 2.5;
    animation: main-star-glow 3s ease-in-out infinite;
}

.star-tiny {
    fill: rgba(245, 158, 11, 0.5);
    animation: tiny-star-flicker 4s ease-in-out infinite;
}

.star-tiny:nth-child(odd) {
    animation-delay: 1s;
}

@keyframes constellation-breathe {
    0%, 100% {
        opacity: 0.35;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.02);
    }
}

@keyframes group-pulse {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

@keyframes connection-flicker {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes star-twinkle {
    0%, 100% {
        opacity: 0.6;
        r: 1.5;
    }
    50% {
        opacity: 1;
        r: 2;
    }
}

@keyframes main-star-glow {
    0%, 100% {
        opacity: 0.7;
        r: 2.5;
        filter: drop-shadow(0 0 6px var(--gold));
    }
    50% {
        opacity: 1;
        r: 3.5;
        filter: drop-shadow(0 0 10px var(--gold));
    }
}

@keyframes tiny-star-flicker {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.8;
    }
}

/* Spaceship */
.spaceship {
    position: absolute;
    width: 40px;
    height: 20px;
    top: 15%;
    left: -60px;
    opacity: 0;
    animation: fly-across 20s ease-in-out infinite;
}

.spaceship::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid rgba(200, 200, 200, 0.9);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.spaceship::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
    width: 8px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--gold), 0 0 15px rgba(245, 158, 11, 0.6);
}

.spaceship-trail {
    position: absolute;
    top: 50%;
    right: -30px;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.8), transparent);
    transform: translateY(-50%);
    border-radius: 50%;
}

@keyframes fly-across {
    0% {
        left: -60px;
        top: 15%;
        opacity: 0;
        transform: rotate(0deg);
    }
    5% {
        opacity: 1;
    }
    25% {
        top: 25%;
    }
    45% {
        top: 20%;
    }
    65% {
        top: 30%;
        opacity: 1;
    }
    70% {
        opacity: 0;
    }
    100% {
        left: 110%;
        top: 35%;
        opacity: 0;
        transform: rotate(5deg);
    }
}

@keyframes float-dust {
    0%, 100% {
        opacity: 0.3;
        transform: translate(0, 0);
    }
    50% {
        opacity: 0.8;
        transform: translate(10px, -20px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 70px);
}

.hero-left {
    text-align: left;
    max-width: 420px;
    padding-right: 0;
    position: relative;
    z-index: 3;
    margin-top: -180px;
}

.hero-right {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 55%;
    display: flex;
    align-items: stretch;
    z-index: 1;
}

.hero-title-main {
    display: block;
    font-size: 56px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    margin-bottom: 0;
    white-space: nowrap;
    text-shadow: 0 2px 10px rgba(40, 40, 40, 0.4), 0 4px 20px rgba(40, 40, 40, 0.3), 0 8px 40px rgba(40, 40, 40, 0.2), 0 12px 60px rgba(40, 40, 40, 0.1);
}

.hero-title-highlight {
    display: inline;
    font-size: 72px;
    font-weight: 800;
    color: var(--gold);
    line-height: 0.8;
    margin-top: -6px;
    white-space: nowrap;
    font-style: italic;
    max-width: 100%;
    overflow: visible;
    position: relative;
    top: -25px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5), 4px 4px 8px rgba(0, 0, 0, 0.3), 6px 6px 12px rgba(0, 0, 0, 0.2);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hero-title-highlight .italic-accent {
    font-style: italic;
    font-size: 66px;
    color: var(--gold);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    margin-left: 16px;
    line-height: 1.6;
    font-style: italic;
    text-shadow: 0 2px 10px rgba(40, 40, 40, 0.4), 0 4px 20px rgba(40, 40, 40, 0.3), 0 8px 40px rgba(40, 40, 40, 0.2), 0 12px 60px rgba(40, 40, 40, 0.1);
    align-self: center;
    white-space: nowrap;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 15px;
}

.hero-cta:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.hero-cta-search {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1.5px solid var(--gold);
    color: var(--text-white);
    padding: 6px 24px;
    padding-left: 10px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease, border-color 0.5s ease, background-color 0.5s ease, color 0.5s ease, border-width 0.5s ease;
    font-size: 13px;
    min-width: auto;
}

.navbar.scrolled .hero-cta-search {
    border-color: var(--primary-blue);
    border-width: 1.5px;
    background: var(--gold);
    color: var(--primary-blue);
}

.hero-buttons-wrapper {
    position: absolute;
    bottom: -43px;
    left: -50px;
    display: flex;
    flex-direction: row;
    gap: 12px;
}

.hero-cta-search:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    font-size: 17px;
}

.hero-cta-search .search-icon {
    opacity: 0.7;
}

.hero-cta-search .rocket-icon {
    width: 28px;
    height: 28px;
    transform: rotate(45deg);
    animation: rocketFloat 2s ease-in-out infinite;
}

@keyframes rocketFloat {
    0%, 100% {
        transform: rotate(45deg) translate(0, 0);
    }
    50% {
        transform: rotate(45deg) translate(6px, -4px);
    }
}

.quote-font {
    font-family: 'Times New Roman', Times, serif;
}

.hero-quote {
    font-weight: 700;
}

.gold-text {
    color: var(--gold);
    transition: color 0.5s ease;
}

.navbar.scrolled .gold-text {
    color: var(--primary-blue);
}

.navbar.scrolled .search-prefix {
    color: var(--text-white);
}

.hero-cta-search svg {
    transition: all 0.5s ease;
}

.navbar.scrolled .hero-cta-search svg path,
.navbar.scrolled .hero-cta-search svg circle {
    fill: var(--primary-blue);
}

.hero-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: 0;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 15px;
}

.hero-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* ========== 图片轮播 ========== */
.hero-image-slider {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.slider-track {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--gold);
    width: 30px;
    border-radius: 5px;
}

/* ========== 通用章节 ========== */
section {
    padding: 100px 0;
}

.section-header-left h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.section-header-center h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
    text-align: center;
}

.section-subtitle {
    font-size: 16px;
    color: var(--light-grey);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.section-desc {
    font-size: 18px;
    color: var(--text-grey);
    margin-top: 12px;
}

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

.section-header-center .section-desc {
    text-align: center;
    margin-top: 12px;
}

/* ========== 闪耀之星案例 ========== */
.stories-section {
    background: var(--text-white);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.story-card {
    background: var(--pale-grey);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
}

.story-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.story-avatar {
    width: 56px;
    height: 56px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 16px;
}

.story-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tag {
    background: var(--secondary-blue);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
}

.story-challenge {
    font-size: 14px;
    color: var(--text-grey);
    margin-bottom: 12px;
    line-height: 1.6;
}

.story-result {
    margin-bottom: 12px;
}

.result-label {
    font-size: 13px;
    color: var(--light-grey);
}

.result-value {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-top: 4px;
}

.story-quote {
    font-style: italic;
    color: var(--medium-grey);
    font-size: 14px;
    line-height: 1.6;
}

/* ========== ASL引擎 ========== */
.engine-section {
    background: var(--pale-grey);
}

.engine-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 48px;
}

.column-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.column-subtitle {
    font-size: 14px;
    color: var(--light-grey);
    letter-spacing: 1px;
    margin-bottom: 28px;
}

.mentors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

/* Mentors Slider */
.mentors-slider {
    position: relative;
    width: 100%;
    max-width: 85%;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    background: #f5f5f5;
}

.mentors-slider-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.mentors-slide {
    min-width: 100%;
    height: auto;
}

.mentors-slide img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.mentors-slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.mentors-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mentors-dot.active {
    background: var(--gold);
    transform: scale(1.2);
}

.mentors-note {
    font-size: 14px;
    color: var(--text-grey);
    text-align: center;
    margin-top: 16px;
    font-style: italic;
}

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

.blueprint-step {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--text-white);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.blueprint-step:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.step-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-grey);
    margin-bottom: 4px;
}

.step-sub {
    font-size: 12px;
    color: var(--light-grey);
    letter-spacing: 1px;
}

/* ========== 外教1v1辅导 ========== */
.tutoring-section {
    background: var(--pale-grey);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.tutoring-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.tutoring-bg .stars-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tutoring-bg .star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--gold);
    border-radius: 50%;
    animation: twinkle 3s infinite ease-in-out;
}

.tutoring-bg .star:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.tutoring-bg .star:nth-child(2) { top: 20%; left: 90%; animation-delay: 0.5s; }
.tutoring-bg .star:nth-child(3) { top: 35%; left: 15%; animation-delay: 1s; }
.tutoring-bg .star:nth-child(4) { top: 50%; left: 85%; animation-delay: 1.5s; }
.tutoring-bg .star:nth-child(5) { top: 65%; left: 10%; animation-delay: 2s; }
.tutoring-bg .star:nth-child(6) { top: 80%; left: 95%; animation-delay: 0.3s; }
.tutoring-bg .star:nth-child(7) { top: 25%; left: 50%; animation-delay: 0.8s; }
.tutoring-bg .star:nth-child(8) { top: 45%; left: 75%; animation-delay: 1.3s; }
.tutoring-bg .star:nth-child(9) { top: 70%; left: 30%; animation-delay: 1.8s; }

.tutoring-bg .glowing-star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 10px 2px rgba(245, 158, 11, 0.6);
    animation: glow-pulse 2s infinite ease-in-out;
}

.tutoring-bg .glowing-star:nth-child(10) { top: 15%; left: 20%; animation-delay: 0s; }
.tutoring-bg .glowing-star:nth-child(11) { top: 55%; left: 60%; animation-delay: 0.6s; }
.tutoring-bg .glowing-star:nth-child(12) { top: 85%; left: 40%; animation-delay: 1.2s; }

.tutoring-section .container {
    position: relative;
    z-index: 1;
}

.tutoring-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.tutoring-card {
    background: white;
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(245, 158, 11, 0.1);
}

.tutoring-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.3);
}

.tutoring-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.tutoring-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.tutoring-subtitle {
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.tutoring-desc {
    font-size: 14px;
    color: var(--text-grey);
    line-height: 1.6;
    margin-bottom: 8px;
}

.tutoring-desc:last-child {
    margin-bottom: 0;
}

.interview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 12px;
    align-items: center;
}

.interview-item {
    font-size: 12px;
    color: var(--text-grey);
    background: var(--pale-grey);
    padding: 8px 6px;
    border-radius: 6px;
    text-align: center;
    line-height: 1.4;
    white-space: nowrap;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tutoring-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.feature-text {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
}

/* ========== 数据影响力 ========== */
.impact-section {
    background: var(--primary-blue);
    position: relative;
    overflow: hidden;
}

/* Impact section star background */
.impact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.impact-bg .stars-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

/* Regular stars */
.impact-bg .star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s infinite ease-in-out;
}

.impact-bg .star:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; }
.impact-bg .star:nth-child(2) { top: 15%; left: 15%; animation-delay: 0.5s; }
.impact-bg .star:nth-child(3) { top: 8%; left: 25%; animation-delay: 1s; }
.impact-bg .star:nth-child(4) { top: 20%; left: 35%; animation-delay: 1.5s; }
.impact-bg .star:nth-child(5) { top: 12%; left: 45%; animation-delay: 2s; }
.impact-bg .star:nth-child(6) { top: 18%; left: 55%; animation-delay: 0.3s; }
.impact-bg .star:nth-child(7) { top: 9%; left: 65%; animation-delay: 0.8s; }
.impact-bg .star:nth-child(8) { top: 14%; left: 75%; animation-delay: 1.3s; }
.impact-bg .star:nth-child(9) { top: 22%; left: 85%; animation-delay: 1.8s; }
.impact-bg .star:nth-child(10) { top: 11%; left: 95%; animation-delay: 2.3s; }
.impact-bg .star:nth-child(11) { top: 30%; left: 8%; animation-delay: 0.7s; }
.impact-bg .star:nth-child(12) { top: 35%; left: 92%; animation-delay: 1.2s; }

/* Glowing stars */
.impact-bg .glowing-star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.6);
    animation: glow-pulse 2s infinite ease-in-out;
}

.impact-bg .glowing-star:nth-child(13) { top: 25%; left: 20%; animation-delay: 0s; }
.impact-bg .glowing-star:nth-child(14) { top: 40%; left: 70%; animation-delay: 0.6s; }
.impact-bg .glowing-star:nth-child(15) { top: 60%; left: 30%; animation-delay: 1.2s; }
.impact-bg .glowing-star:nth-child(16) { top: 75%; left: 80%; animation-delay: 1.8s; }

/* Shooting stars */
.impact-bg .shooting-star {
    position: absolute;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold));
    border-radius: 50%;
    opacity: 0;
    animation: shoot 8s ease-in-out infinite;
}

.impact-bg .shooting-star:nth-child(17) {
    top: 15%;
    left: 5%;
    animation-delay: 3s;
    transform: rotate(25deg);
}

.impact-bg .shooting-star:nth-child(18) {
    top: 45%;
    left: 15%;
    animation-delay: 6s;
    transform: rotate(35deg);
}

.impact-bg .shooting-star:nth-child(19) {
    top: 25%;
    left: 25%;
    animation-delay: 1s;
    transform: rotate(20deg);
}

@keyframes shoot {
    0% {
        opacity: 0;
        transform: translateX(0) translateY(0) rotate(25deg);
    }
    10% {
        opacity: 1;
    }
    30% {
        opacity: 0;
        transform: translateX(200px) translateY(100px) rotate(25deg);
    }
    100% {
        opacity: 0;
    }
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.6;
        box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.6);
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 20px 5px rgba(255, 255, 255, 0.8);
    }
}


.impact-section .container {
    position: relative;
    z-index: 1;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.impact-item {
    text-align: center;
    overflow: visible;
}

.impact-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: visible;
}

.impact-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 4px;
}

.impact-sub {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-badge {
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
}

/* ========== 最终CTA ========== */
.final-cta {
    background: var(--text-white);
    padding: 120px 0;
}

.cta-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.cta-subtitle {
    font-size: 18px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 8px;
}

.cta-desc {
    font-size: 16px;
    color: var(--text-grey);
    margin-bottom: 32px;
}

.cta-form {
    max-width: 500px;
    margin: 0 auto;
}

.cta-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.cta-input-group input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid var(--border-grey);
    border-radius: 30px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.cta-input-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.cta-submit {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    border: none;
    padding: 16px 28px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

.cta-submit:hover .rocket-icon {
    transform: translateY(-3px);
}

.rocket-icon,
.plane-icon {
    transition: transform 0.3s ease;
}

.hero-cta:hover .plane-icon {
    transform: translateX(3px) translateY(-3px) rotate(-5deg);
}

.nav-cta:hover .plane-icon {
    transform: translateX(2px) translateY(-2px) rotate(-5deg);
}

.hero-cta:hover .rocket-icon g {
    transform: rotate(-50deg) translateX(2px) translateY(-2px);
    transition: transform 0.3s ease;
}

.rocket-icon g {
    transform-origin: center;
    transition: transform 0.3s ease;
}

.cta-note {
    font-size: 13px;
    color: var(--light-grey);
}

/* ========== 页脚 ========== */
.footer {
    background: var(--primary-blue);
    padding: 36px 0 14px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer .logo {
    margin-bottom: 16px;
    margin-left: -58px;
}

.footer-tagline {
    color: var(--gold);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    margin-left: -50px;
}

.footer-tagline-en {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-style: italic;
    margin-left: -50px;
}

.footer-column h4 {
    color: var(--text-white);
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    white-space: nowrap;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* .footer-column a:hover {
    color: var(--gold);
} */

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
    .stories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1002;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        flex-direction: column;
        background: var(--primary-blue);
        width: 100%;
        padding: 24px;
        gap: 0;
        transition: left 0.3s ease;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    /* 移动端下拉菜单样式 */
    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(0, 0, 0, 0.2);
        box-shadow: none;
        padding: 0;
        display: none;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .dropdown-menu.show {
        display: block;
        max-height: 300px;
        padding: 10px 0;
    }

    .nav-item.dropdown > .nav-link::after {
        position: static;
        transform: none;
        margin-left: 8px;
    }

    .nav-item.dropdown.active > .nav-link::after {
        transform: rotate(180deg);
    }

    .nav-link {
        width: 100%;
        padding: 15px 10px;
        display: block;
        color: #ffffff;
    }

    .nav-link:hover {
        background: transparent;
        padding: 15px 10px;
    }

    .nav-link.active {
        background: transparent;
        color: var(--gold);
    }

    .nav-cta {
        display: none;
    }

    .hero-content {
        text-align: center;
    }

    .hero-left {
        padding-right: 0;
        max-width: 100%;
    }

    .hero-right {
        position: relative;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
        width: 100%;
        margin-top: 40px;
    }

    .hero-image-slider {
        border-radius: 24px;
        height: 400px;
    }

    .hero-title-main {
        font-size: 36px;
    }

    .hero-title-highlight {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 13px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .cta-input-group {
        flex-direction: column;
    }

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

    .tutoring-section {
        padding: 60px 0;
    }

    .tutoring-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 32px;
    }

    .tutoring-card {
        padding: 24px 16px;
    }

    .tutoring-icon {
        font-size: 32px;
        margin-bottom: 12px;
    }

    .tutoring-title {
        font-size: 16px;
    }

    .tutoring-desc {
        font-size: 13px;
    }

    .tutoring-features {
        gap: 16px;
    }

    .feature-text {
        font-size: 14px;
    }
}

/* ========== 子页面样式 ========== */
body.subpage {
    background: var(--pale-grey);
}

/* 子页面容器 */
.subpage-container {
    display: flex;
    padding-top: 70px;
    min-height: 100vh;
}

/* 左侧固定导航 */
.subpage-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 260px;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    padding: 32px 24px;
    z-index: 100;
    overflow-y: auto;
    border-right: 1px solid var(--border-grey);
}

.subpage-nav-inner {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--gold);
    transform: translateX(-4px);
}

.subpage-nav-title {
    color: var(--primary-blue);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.subpage-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.subpage-nav-link {
    display: block;
    padding: 12px 16px;
    color: var(--text-grey);
    text-decoration: none;
    font-size: 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.subpage-nav-link:hover {
    background: rgba(245, 158, 11, 0.1);
    color: var(--primary-blue);
}

.subpage-nav-link.active {
    background: var(--gold);
    color: var(--primary-blue);
    font-weight: 600;
}

/* 右侧内容区 */
.subpage-content {
    margin-left: 260px;
    flex: 1;
    width: calc(100% - 260px);
}

/* 子页面Hero区 */
.subpage-hero {
    background: var(--gradient-dark);
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

.subpage-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(128, 128, 128, 0.08);
}

.subpage-bg .stars-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

.subpage-bg .star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--text-white);
    border-radius: 50%;
    animation: twinkle 3s infinite ease-in-out;
}

.subpage-bg .star:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.subpage-bg .star:nth-child(2) { top: 40%; left: 85%; animation-delay: 0.5s; }
.subpage-bg .star:nth-child(3) { top: 60%; left: 20%; animation-delay: 1s; }
.subpage-bg .star:nth-child(4) { top: 30%; left: 70%; animation-delay: 1.5s; }
.subpage-bg .star:nth-child(5) { top: 70%; left: 50%; animation-delay: 2s; }
.subpage-bg .star:nth-child(6) { top: 50%; left: 90%; animation-delay: 0.3s; }

.subpage-bg .glowing-star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 10px 2px rgba(245, 158, 11, 0.6);
    animation: glow-pulse 2s infinite ease-in-out;
}

.subpage-bg .glowing-star:nth-child(7) { top: 25%; left: 30%; animation-delay: 0s; }
.subpage-bg .glowing-star:nth-child(8) { top: 65%; left: 60%; animation-delay: 0.6s; }

.subpage-bg .shooting-star {
    position: absolute;
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold));
    border-radius: 50%;
    opacity: 0;
    animation: shoot 8s ease-in-out infinite;
}

.subpage-bg .shooting-star:nth-child(9) {
    top: 30%;
    left: 10%;
    animation-delay: 3s;
    transform: rotate(25deg);
}

.subpage-hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.subpage-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 12px;
}

.subpage-subtitle {
    font-size: 18px;
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.subpage-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

/* 子页面章节 */
.subpage-section {
    padding: 60px 0;
}

.section-heading {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 40px;
}

/* ========== 团队页面样式 ========== */
.team-intro-section {
    background: var(--text-white);
    padding: 60px 0;
}

.team-intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.team-intro-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.team-intro-text {
    font-size: 16px;
    color: var(--text-grey);
    line-height: 1.8;
    margin-bottom: 40px;
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.team-stat {
    text-align: center;
}

.team-stat .stat-number {
    font-size: 42px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.team-stat .stat-label {
    font-size: 14px;
    color: var(--text-grey);
}

.team-grid-section {
    padding: 60px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.team-card {
    background: var(--text-white);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(245, 158, 11, 0.1);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 16px;
    border: 3px solid var(--gold);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.team-role {
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 8px;
}

.team-specialty {
    font-size: 13px;
    color: var(--text-grey);
    margin-bottom: 12px;
}

.team-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.team-tag {
    background: var(--pale-grey);
    color: var(--text-grey);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
}

/* 团队理念区 - 信件形式 */
.team-philosophy-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--text-white) 0%, rgba(245, 158, 11, 0.02) 100%);
}

.philosophy-content {
    text-align: center;
    margin-bottom: 80px;
}

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

.quote-mark {
    font-size: 48px;
    line-height: 1;
    color: var(--gold);
    font-family: 'Times New Roman', Times, serif;
}

.quote-mark-end {
    /* Remove transform - using proper typographic quotes */
}

.quote-text {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
}

.quote-subtitle {
    font-size: 16px;
    color: var(--text-grey);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.philosophy-blocks {
    max-width: 800px;
    margin: 0 auto 80px;
}

.philosophy-block {
    margin-bottom: 40px;
}

.philosophy-block:last-child {
    margin-bottom: 0;
}

.block-content {
    width: 100%;
}

.block-content p {
    color: var(--text-grey);
    line-height: 2.2;
    font-size: 16px;
    text-align: justify;
    text-indent: 2em;
    margin: 0;
}

.highlight-num {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 18px;
}

.highlight-text {
    color: var(--gold);
    font-weight: 600;
}

.philosophy-closing {
    text-align: center;
    padding: 48px;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

/* 信件签名装饰线 */
.philosophy-closing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--gradient-gold);
}

.closing-text {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0;
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
    letter-spacing: 2px;
}

/* ========== 战绩页面样式 ========== */
.achievements-dashboard {
    padding: 60px 0;
    background: var(--text-white);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.dashboard-card {
    background: var(--pale-grey);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.stat-value {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 4px;
}

.stat-desc {
    font-size: 13px;
    color: var(--text-grey);
}

.universities-section {
    padding: 60px 0;
}

.universities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.uni-category {
    background: var(--text-white);
    border-radius: 16px;
    padding: 24px;
}

.uni-category-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--pale-grey);
}

.uni-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.uni-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--pale-grey);
    border-radius: 8px;
}

.uni-name {
    font-size: 14px;
    color: var(--primary-blue);
    font-weight: 500;
}

.uni-count {
    font-size: 14px;
    font-weight: 700;
    color: var(--gold);
}

.timeline-section {
    padding: 60px 0;
    background: var(--text-white);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--pale-grey);
    border-radius: 16px;
    align-items: flex-start;
}

.timeline-marker {
    min-width: 80px;
    padding: 12px 16px;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 18px;
    border-radius: 8px;
    text-align: center;
}

.timeline-content {
    flex: 1;
}

.timeline-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.timeline-desc {
    font-size: 14px;
    color: var(--text-grey);
    margin-bottom: 12px;
    line-height: 1.6;
}

.timeline-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.timeline-stat {
    background: var(--gold);
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

/* ========== 成长故事页面样式 ========== */
.story-chapters {
    padding: 60px 0;
    max-width: 900px;
    margin: 0 auto;
}

.story-chapter {
    display: flex;
    gap: 32px;
    margin-bottom: 60px;
    align-items: flex-start;
}

.chapter-number {
    min-width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    font-size: 32px;
    font-weight: 800;
    border-radius: 50%;
    flex-shrink: 0;
}

.chapter-content {
    flex: 1;
}

.chapter-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.chapter-subtitle {
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.chapter-text {
    color: var(--text-grey);
    line-height: 1.8;
    margin-bottom: 20px;
}

.chapter-text p {
    margin-bottom: 16px;
}

.chapter-highlight {
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid var(--gold);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.highlight-icon {
    font-size: 32px;
}

.highlight-text {
    font-size: 16px;
    font-style: italic;
    color: var(--primary-blue);
}

.chapter-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-item .stat-value {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item .stat-label {
    font-size: 14px;
    color: var(--text-grey);
    margin-top: 4px;
}

.chapter-timeline {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.timeline-point {
    flex: 1;
    text-align: center;
    padding: 16px 8px;
    background: var(--pale-grey);
    border-radius: 8px;
}

.point-year {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 4px;
}

.point-desc {
    font-size: 12px;
    color: var(--text-grey);
}

.chapter-quote {
    text-align: center;
    padding: 32px;
    background: var(--gradient-dark);
    border-radius: 16px;
    color: var(--text-white);
}

.chapter-quote p {
    font-size: 20px;
    font-style: italic;
    margin-bottom: 8px;
}

.quote-sub {
    font-size: 14px;
    opacity: 0.7;
    font-style: normal !important;
}

/* ========== 奖学金计划页面样式 ========== */
.scholarship-intro {
    padding: 60px 0;
    background: var(--text-white);
}

.intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.intro-text {
    font-size: 16px;
    color: var(--text-grey);
    line-height: 1.8;
    margin-bottom: 24px;
}

.intro-mission {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(245, 158, 11, 0.1);
    padding: 16px 24px;
    border-radius: 8px;
}

.mission-icon {
    font-size: 24px;
}

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

.scholarship-types {
    padding: 60px 0;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scholarship-card {
    background: var(--text-white);
    border-radius: 16px;
    padding: 32px 24px;
    border: 2px solid rgba(245, 158, 11, 0.2);
    transition: all 0.3s ease;
}

.scholarship-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(245, 158, 11, 0.2);
}

.card-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 12px;
    color: var(--gold);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.card-value {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 20px;
}

.card-features {
    list-style: none;
    margin-bottom: 20px;
}

.card-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--pale-grey);
    font-size: 14px;
    color: var(--text-grey);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-features li::before {
    content: '✓';
    color: var(--gold);
    font-weight: 700;
}

.card-requirement {
    background: var(--pale-grey);
    padding: 16px;
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-grey);
}

.application-flow {
    padding: 60px 0;
    background: var(--text-white);
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--pale-grey);
    border-radius: 16px;
    align-items: flex-start;
}

.step-number {
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 24px;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-grey);
    margin-bottom: 12px;
}

.step-docs, .step-points {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.step-docs li, .step-points li {
    background: var(--text-white);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--primary-blue);
}

.step-note {
    font-size: 12px;
    color: var(--gold);
    font-weight: 600;
}

.step-result {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.result-item {
    background: var(--gold);
    color: var(--primary-blue);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.step-start {
    font-size: 14px;
    color: var(--gold);
    font-weight: 600;
}

.scholarship-faq {
    padding: 60px 0;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-white);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-grey);
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.faq-answer {
    font-size: 14px;
    color: var(--text-grey);
    line-height: 1.6;
}

/* 通用CTA */
.subpage-cta {
    padding: 80px 0;
    background: var(--gradient-dark);
    text-align: center;
}

.subpage-cta .cta-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.subpage-cta .cta-text {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.cta-button {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    padding: 14px 40px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

/* ========== 子页面响应式设计 ========== */
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .philosophy-blocks {
        max-width: 100%;
    }

    .quote-text {
        font-size: 26px;
    }

    .story-chapter {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .chapter-highlight {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .subpage-container {
        flex-direction: column;
    }

    .subpage-nav {
        position: relative;
        top: 0;
        width: 100%;
        height: auto;
        padding: 20px;
    }

    .subpage-content {
        margin-left: 0;
        width: 100%;
    }

    .subpage-title {
        font-size: 32px;
    }

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

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

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

    .team-stats {
        flex-direction: column;
        gap: 24px;
    }

    .chapter-stats {
        flex-direction: column;
        gap: 24px;
    }

    .chapter-timeline {
        flex-direction: column;
    }

    .block-content p {
        font-size: 15px;
        line-height: 2;
        text-indent: 0;
    }

    .philosophy-closing {
        padding: 32px 20px;
    }

    .closing-text {
        font-size: 20px;
    }

    .quote-text {
        font-size: 24px;
    }

    .quote-mark {
        font-size: 36px;
    }

    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .flow-step {
        flex-direction: column;
        align-items: flex-start;
    }

    .subpage-cta {
        padding: 60px 0;
    }

    .subpage-cta .cta-title {
        font-size: 24px;
    }
}