:root {
    --c-primary: #0d9488;
    --c-primary-dark: #0f766e;
    --c-primary-deeper: #115e59;
    --c-primary-light: #14b8a6;
    --c-primary-50: #f0fdfa;
    --c-primary-100: #ccfbf1;
    --c-primary-200: #99f6e4;
    --c-accent: #f97316;
    --c-accent-hover: #ea580c;
    --c-accent-light: #fff7ed;
    --c-dark: #0c0a09;
    --c-gray-900: #1c1917;
    --c-gray-800: #292524;
    --c-gray-700: #44403c;
    --c-gray-600: #57534e;
    --c-gray-500: #78716c;
    --c-gray-400: #a8a29e;
    --c-gray-300: #d6d3d1;
    --c-gray-200: #e7e5e4;
    --c-gray-100: #f5f5f4;
    --c-gray-50: #fafaf9;
    --c-white: #ffffff;
    --c-danger: #ef4444;
    --c-warning: #eab308;
    --c-warning-bg: #fefce8;
    --c-warning-border: #fde047;
    --t-xs: 0.75rem;
    --t-sm: 0.875rem;
    --t-base: 1rem;
    --t-lg: 1.125rem;
    --t-xl: 1.25rem;
    --t-2xl: 1.5rem;
    --t-3xl: 1.875rem;
    --t-4xl: 2.25rem;
    --t-5xl: 3rem;
    --t-hero: clamp(2.25rem, 5vw, 3.75rem);
    --lh-tight: 1.25;
    --lh-normal: 1.6;
    --lh-relaxed: 1.75;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;
    --r-2xl: 24px;
    --r-full: 9999px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.03);
    --shadow-glow: 0 0 20px rgba(13,148,136,0.15);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration: 0.3s;
    --duration-fast: 0.15s;
    --duration-slow: 0.5s;
    --select-padding-right: 44px;
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: var(--t-base);
    line-height: var(--lh-normal);
    color: var(--c-gray-700);
    background-color: var(--c-gray-50);
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    background: var(--c-white);
    border-bottom: 1px solid var(--c-gray-200);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow var(--duration) var(--ease);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-white);
    font-size: 16px;
}

.brand-name {
    font-size: var(--t-lg);
    font-weight: var(--fw-bold);
    color: var(--c-gray-900);
    letter-spacing: -0.01em;
}

.page-title {
    font-size: clamp(13px, 2.2vw, 18px);
    font-weight: var(--fw-semibold);
    color: var(--c-gray-600);
    text-align: center;
    flex: 1;
}

.hero {
    position: relative;
    padding: 64px 0 56px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--c-primary-deeper) 0%, var(--c-primary-dark) 40%, var(--c-primary) 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 20%, rgba(20,184,166,0.3) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(249,115,22,0.15) 0%, transparent 50%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--c-gray-50), transparent);
}

.hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--c-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.15);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--r-full);
    padding: 8px 20px;
    font-size: var(--t-sm);
    font-weight: var(--fw-medium);
    margin-bottom: 24px;
    animation: fadeInDown 0.6s var(--ease) both;
}

.hero-badge i {
    color: var(--c-accent);
}

.hero-title {
    font-size: var(--t-hero);
    font-weight: var(--fw-extrabold);
    line-height: var(--lh-tight);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    animation: fadeInUp 0.6s var(--ease) 0.1s both;
}

.hero-accent {
    background: linear-gradient(135deg, var(--c-primary-200), #5eead4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.hero-desc {
    font-size: var(--t-lg);
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s var(--ease) 0.2s both;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--c-accent);
    color: var(--c-white);
    font-size: var(--t-base);
    font-weight: var(--fw-semibold);
    padding: 14px 32px;
    border-radius: var(--r-full);
    box-shadow: 0 4px 16px rgba(249,115,22,0.4);
    transition: background var(--duration) var(--ease), transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    animation: fadeInUp 0.6s var(--ease) 0.3s both;
}

.hero-cta:hover {
    background: var(--c-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(249,115,22,0.5);
}

.hero-cta:active {
    transform: translateY(0);
}

.hero-cta i {
    animation: bounceDown 1.5s infinite;
}

.main-content {
    padding: 48px 0 0;
}

.query-section {
    margin-bottom: 64px;
}

.query-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 28px;
    align-items: start;
}

.query-card {
    background: var(--c-white);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.query-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--c-gray-100);
}

.card-head-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-white);
    font-size: 18px;
    flex-shrink: 0;
}

.card-head h2 {
    font-size: var(--t-xl);
    font-weight: var(--fw-bold);
    color: var(--c-gray-900);
}

.card-body {
    padding: 28px;
    position: relative;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: var(--t-sm);
    font-weight: var(--fw-semibold);
    color: var(--c-gray-700);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.select-wrap {
    position: relative;
}

.select-wrap select {
    width: 100%;
    padding: 14px var(--select-padding-right) 14px 16px;
    font-size: var(--t-base);
    color: var(--c-gray-800);
    background: var(--c-gray-50);
    border: 2px solid var(--c-gray-200);
    border-radius: var(--r-md);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), background var(--duration) var(--ease);
}

.select-wrap select:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(13,148,136,0.12);
    background: var(--c-white);
}

.select-wrap select:hover {
    border-color: var(--c-primary-light);
}

.select-wrap select::-ms-expand {
    display: none;
}

.select-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--c-gray-400);
    pointer-events: none;
    font-size: 13px;
    transition: color var(--duration) var(--ease);
}

.select-wrap select:focus ~ .select-arrow {
    color: var(--c-primary);
}

.submit-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-hover) 100%);
    color: var(--c-white);
    font-size: var(--t-lg);
    font-weight: var(--fw-bold);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    box-shadow: 0 4px 16px rgba(249,115,22,0.35);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s var(--ease);
    pointer-events: none;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(249,115,22,0.45);
}

.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(249,115,22,0.3);
}

.submit-btn i {
    font-size: 16px;
}

.submit-btn:disabled {
    cursor: not-allowed;
}

.submit-btn:disabled::before {
    display: none;
}

.submit-btn:disabled:hover {
    transform: none;
    box-shadow: 0 4px 16px rgba(249,115,22,0.35);
}

.countdown-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.98);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease);
    z-index: 10;
}

.countdown-overlay.active {
    opacity: 1;
    visibility: visible;
}

.countdown-box {
    text-align: center;
}

.countdown-ring {
    position: relative;
    width: 110px;
    height: 110px;
    margin: 0 auto 20px;
}

.countdown-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-track {
    fill: none;
    stroke: var(--c-gray-200);
    stroke-width: 5;
}

.ring-progress {
    fill: none;
    stroke: var(--c-primary);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1s linear;
}

.countdown-num {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    font-weight: var(--fw-extrabold);
    color: var(--c-primary);
}

.countdown-label {
    font-size: var(--t-base);
    color: var(--c-gray-600);
}

.countdown-label span {
    color: var(--c-primary);
    font-weight: var(--fw-semibold);
}

.tips-card {
    background: var(--c-white);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--c-gray-200);
    transition: box-shadow var(--duration) var(--ease);
}

.tips-card:hover {
    box-shadow: var(--shadow-lg);
}

.tips-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: var(--c-accent-light);
    border-bottom: 1px solid var(--c-gray-200);
}

.tips-head-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-hover) 100%);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-white);
    font-size: 14px;
    flex-shrink: 0;
}

.tips-head h2 {
    font-size: var(--t-lg);
    font-weight: var(--fw-bold);
    color: var(--c-gray-900);
}

.tips-list {
    list-style: none;
    padding: 8px 0;
}

.tips-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 24px;
    font-size: var(--t-sm);
    line-height: var(--lh-relaxed);
    color: var(--c-gray-600);
    transition: background var(--duration-fast) var(--ease);
}

.tips-list li:hover {
    background: var(--c-gray-50);
}

.tips-list li + li {
    border-top: 1px solid var(--c-gray-100);
}

.tips-list li i {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary-50);
    color: var(--c-primary);
    border-radius: 50%;
    font-size: 11px;
    margin-top: 2px;
}

.content-section {
    display: flex;
    flex-direction: column;
    gap: 48px;
    padding-bottom: 64px;
}

.section-block {
    background: var(--c-white);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--duration) var(--ease);
}

.section-block:hover {
    box-shadow: var(--shadow-md);
}

.section-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 24px 32px;
    border-bottom: 1px solid var(--c-gray-100);
}

.section-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-white);
    font-size: 18px;
    flex-shrink: 0;
}

.section-head h2 {
    font-size: var(--t-2xl);
    font-weight: var(--fw-bold);
    color: var(--c-gray-900);
    letter-spacing: -0.01em;
}

.section-body {
    padding: 32px;
}

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

.prospect-card {
    text-align: center;
    transition: transform var(--duration) var(--ease);
}

.prospect-card:hover {
    transform: translateY(-4px);
}

.prospect-visual {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, var(--c-primary-50) 0%, var(--c-primary-100) 100%);
    border-radius: var(--r-lg);
    overflow: hidden;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prospect-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prospect-card h3 {
    font-size: var(--t-lg);
    font-weight: var(--fw-semibold);
    color: var(--c-gray-900);
    margin-bottom: 8px;
}

.prospect-card p {
    font-size: var(--t-sm);
    line-height: var(--lh-relaxed);
    color: var(--c-gray-600);
}

.table-wrap {
    overflow-x: auto;
    border-radius: var(--r-lg);
    border: 1px solid var(--c-gray-200);
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--t-sm);
}

.schedule-table thead {
    background: linear-gradient(135deg, var(--c-primary-deeper) 0%, var(--c-primary-dark) 100%);
    color: var(--c-white);
}

.schedule-table th {
    padding: 14px 20px;
    text-align: left;
    font-weight: var(--fw-semibold);
    white-space: nowrap;
    font-size: var(--t-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.schedule-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--c-gray-100);
    color: var(--c-gray-700);
}

.schedule-table tbody tr {
    transition: background var(--duration-fast) var(--ease);
}

.schedule-table tbody tr:hover {
    background: var(--c-primary-50);
}

.schedule-table tbody tr:last-child td {
    border-bottom: none;
}

.batch-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--c-primary-50);
    color: var(--c-primary-dark);
    font-weight: var(--fw-semibold);
    border-radius: var(--r-full);
    font-size: var(--t-xs);
}

.schedule-note {
    margin-top: 16px;
    padding: 14px 18px;
    background: var(--c-warning-bg);
    border: 1px solid var(--c-warning-border);
    border-radius: var(--r-md);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: var(--t-sm);
    color: #854d0e;
}

.schedule-note i {
    margin-top: 2px;
    flex-shrink: 0;
    color: var(--c-warning);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cert-card {
    padding: 24px;
    background: var(--c-gray-50);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-gray-200);
    transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.cert-card:hover {
    border-color: var(--c-primary-light);
    background: var(--c-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cert-badge {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    color: var(--c-white);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

.cert-card h3 {
    font-size: var(--t-lg);
    font-weight: var(--fw-semibold);
    color: var(--c-gray-900);
    margin-bottom: 8px;
}

.cert-card p {
    font-size: var(--t-sm);
    line-height: var(--lh-relaxed);
    color: var(--c-gray-600);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    counter-reset: guide;
}

.guide-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    position: relative;
}

.guide-step + .guide-step {
    border-top: 1px solid var(--c-gray-100);
}

.step-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    color: var(--c-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--t-lg);
    font-weight: var(--fw-extrabold);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(13,148,136,0.25);
}

.step-content {
    flex: 1;
    padding-top: 4px;
}

.step-content h3 {
    font-size: var(--t-lg);
    font-weight: var(--fw-semibold);
    color: var(--c-gray-900);
    margin-bottom: 6px;
}

.step-content p {
    font-size: var(--t-sm);
    line-height: var(--lh-relaxed);
    color: var(--c-gray-600);
}

.site-footer {
    background: var(--c-gray-900);
    color: var(--c-gray-400);
    padding: 32px 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}

.footer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--t-sm);
}

.footer-item i {
    color: var(--c-gray-500);
    font-size: 13px;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
}

[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .query-grid {
        grid-template-columns: 1fr;
    }
    .prospect-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .page-title {
        font-size: var(--t-sm);
    }
    .brand-name {
        font-size: var(--t-base);
    }
    .hero {
        padding: 48px 0 40px;
    }
    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    .hero-desc {
        font-size: var(--t-base);
    }
    .main-content {
        padding: 32px 0 0;
    }
    .card-body {
        padding: 20px;
    }
    .section-body {
        padding: 24px;
    }
    .prospect-grid {
        grid-template-columns: 1fr;
    }
    .cert-grid {
        grid-template-columns: 1fr;
    }
    .schedule-table {
        font-size: var(--t-xs);
    }
    .schedule-table th,
    .schedule-table td {
        padding: 10px 12px;
    }
    .footer-inner {
        gap: 8px;
    }
    .footer-item {
        flex-direction: column;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .page-title {
        font-size: 12px;
    }
    .card-head h2 {
        font-size: var(--t-lg);
    }
    .section-head h2 {
        font-size: var(--t-xl);
    }
    .submit-btn {
        font-size: var(--t-base);
        padding: 14px 20px;
    }
    .tips-list li {
        font-size: 12px;
        padding: 12px 16px;
    }
    .hero-cta {
        padding: 12px 24px;
        font-size: var(--t-sm);
    }
}