```css
/* ============================================
   ehviewer 设计系统 — Warm Ink Editorial
   配色: 暖纸白 · 珊瑚红 · 蒂芙尼绿 · 琥珀金
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background-color: #faf6f0;
    background-image:
        radial-gradient(circle at 15% 25%, rgba(255, 201, 74, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 85% 75%, rgba(61, 184, 166, 0.08) 0%, transparent 35%);
    background-attachment: fixed;
    color: #1c2a3a;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
}

::selection {
    background: #ff6b5e;
    color: #fff;
}

:focus-visible {
    outline: 3px solid rgba(255, 107, 94, 0.45);
    outline-offset: 2px;
    border-radius: 4px;
}

::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f3eee7;
}
::-webkit-scrollbar-thumb {
    background: rgba(61, 184, 166, 0.35);
    border-radius: 8px;
    border: 2px solid #f3eee7;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(61, 184, 166, 0.6);
}

/* ————— 容器 · 区块 ————— */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
}

.section {
    padding: 96px 0;
    position: relative;
}

.section:nth-child(even) {
    background: rgba(243, 238, 231, 0.6);
    backdrop-filter: blur(4px);
}

/* ————— 导航 ————— */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 246, 240, 0.86);
    backdrop-filter: blur(18px) saturate(1.3);
    -webkit-backdrop-filter: blur(18px) saturate(1.3);
    border-bottom: 1px solid rgba(28, 42, 58, 0.06);
    box-shadow: 0 2px 24px rgba(28, 42, 58, 0.04);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: #1c2a3a;
    letter-spacing: -0.02em;
    line-height: 1;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 14px 4px 14px 4px;
    background: linear-gradient(135deg, #ff6b5e, #ff8a5c);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 107, 94, 0.3);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.06);
    box-shadow: 0 6px 18px rgba(255, 107, 94, 0.4);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    color: #1c2a3a;
    padding: 6px 2px;
    position: relative;
    transition: color 0.25s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #ff6b5e, #ffc94a);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.65, 0.05, 0.36, 1);
}

.main-nav a:hover {
    color: #ff6b5e;
}

.main-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-cta {
    background: linear-gradient(135deg, #ff6b5e, #ff8a5c) !important;
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: 999px !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(255, 107, 94, 0.3);
    margin-left: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(255, 107, 94, 0.42);
}

.nav-cta::after {
    display: none !important;
}

.menu-toggle {
    display: none;
}

/* ————— Hero ————— */

.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
    gap: 40px;
}

.hero::before {
    content: '⬇';
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%) rotate(12deg);
    font-size: 400px;
    line-height: 1;
    color: rgba(255, 107, 94, 0.045);
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: 'NEW';
    position: absolute;
    top: 17%;
    right: 44%;
    width: 62px;
    height: 62px;
    background: linear-gradient(135deg, #ffc94a, #ff9f43);
    border-radius: 50% 50% 50% 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    color: #1c2a3a;
    letter-spacing: 1px;
    transform: rotate(14deg);
    box-shadow: 0 8px 22px rgba(255, 159, 67, 0.32);
    z-index: 2;
    animation: floaty 4s ease-in-out infinite;
    pointer-events: none;
}

.hero-content {
    flex: 1 1 60%;
    max-width: 720px;
    position: relative;
    z-index: 1;
    animation: heroFadeIn 0.8s ease forwards;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 20px;
    background: rgba(61, 184, 166, 0.12);
    color: #2a9d8d;
    border: 1px solid rgba(61, 184, 166, 0.22);
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(2.3rem, 5vw, 3.6rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    font-weight: 800;
    margin-bottom: 24px;
    color: #1c2a3a;
    display: inline-block;
    position: relative;
}

.hero h1::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 10px;
    width: 100%;
    height: 22%;
    background: linear-gradient(to top, rgba(255, 201, 74, 0.45), transparent);
    border-radius: 4px;
    z-index: -1;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.75;
    color: #4a5a6a;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.85;
    border-left: 3px solid #ffc94a;
    padding-left: 20px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1 1 40%;
    max-width: 440px;
    border-radius: 30px 8px 30px 8px;
    overflow: hidden;
    box-shadow: 0 28px 56px rgba(28, 42, 58, 0.14), 0 6px 14px rgba(28, 42, 58, 0.05);
    border: 6px solid #fff;
    background: linear-gradient(135deg, rgba(61, 184, 166, 0.12), rgba(255, 107, 94, 0.12));
    transform: rotate(2deg);
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.45s ease;
    position: relative;
    z-index: 1;
}

.hero-image:hover {
    transform: rotate(0deg) translateY(-6px) scale(1.01);
    box-shadow: 0 36px 72px rgba(28, 42, 58, 0.16), 0 10px 20px rgba(28, 42, 58, 0.06);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ————— 按钮 ————— */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b5e, #ff8a5c);
    color: #fff;
    box-shadow: 0 6px 20px rgba(255, 107, 94, 0.35);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -70%;
    width: 40%;
    height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: skewX(-20deg);
    transition: left 0.55s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 107, 94, 0.45);
}

.btn-primary:hover::before {
    left: 130%;
}

.btn-outline {
    background: transparent;
    border: 2px solid #1c2a3a;
    color: #1c2a3a;
}

.btn-outline:hover {
    background: #1c2a3a;
    color: #faf6f0;
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(28, 42, 58, 0.16);
}

/* ————— 标题 · 标签 ————— */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: #2a9d8d;
    background: rgba(61, 184, 166, 0.1);
    padding: 6px 18px;
    border-radius: 999px;
}

.section-label::before {
    content: '';
    display: block;
    width: 18px;
    height: 2px;
    background: #3db8a6;
    border-radius: 2px;
}

.section-title {
    font-size: clamp(1.9rem, 3.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #1c2a3a;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    color: #4a5a6a;
    margin-bottom: 48px;
    font-size: 1.05rem;
    line-height: 1.85;
}

/* ————— 卡片网格 ————— */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.category-card {
    background: #fffdf9;
    border-radius: 24px 6px 24px 6px;
    padding: 32px 28px;
    border: 1px solid rgba(28, 42, 58, 0.06);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(135deg, rgba(255, 107, 94, 0.07), rgba(255, 201, 74, 0.07));
    transition: height 0.4s ease;
    pointer-events: none;
}

.category-card:hover {
    transform: translateY(-5px) rotate(-0.4deg);
    box-shadow: 0 20px 44px rgba(28, 42, 58, 0.09), 0 4px 12px rgba(28, 42, 58, 0.04);
}

.category-card:hover::before {
    height: 100%;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px 4px 16px 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
    background: rgba(61, 184, 166, 0.13);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 1;
}

.category-card:nth-child(2n) .card-icon {
    background: rgba(255, 107, 94, 0.12);
}

.category-card:nth-child(3n) .card-icon {
    background: rgba(255, 201, 74, 0.18);
}

.category-card:hover .card-icon {
    transform: scale(1.1) rotate(-6deg);
}

.category-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1c2a3a;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.category-card p {
    font-size: 0.9rem;
    color: #4a5a6a;
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    color: #ff6b5e;
    position: relative;
    z-index: 1;
    transition: gap 0.25s ease;
}

.card-link::after {
    content: '→';
    transition: transform 0.25s ease;
}

.card-link:hover {
    gap: 8px;
}

.card-link:hover::after {
    transform: translateX(2px);
}

/* ————— 特性块 ————— */

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 28px 6px 28px 6px;
    overflow: hidden;
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(61, 184, 166, 0.12), rgba(255, 107, 94, 0.09), rgba(255, 201, 74, 0.1));
    border: 1px solid rgba(28, 42, 58, 0.06);
    transform: rotate(-1.2deg);
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-block:nth-child(even) .feature-image {
    transform: rotate(1.2deg);
}

.feature-image:hover {
    transform: rotate(0deg) scale(1.01);
}

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

.feature-text {
    padding: 12px 0;
}

.feature-text h3 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
    color: #1c2a3a;
}

.feature-text p {
    color: #4a5a6a;
    opacity: 0.82;
    line-height: 1.85;
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
    margin-top: 24px;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    font-size: 0.95rem;
    border-bottom: 1px dashed rgba(28, 42, 58, 0.1);
}

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

.feature-list li::before {
    content: '✓';
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #3db8a6, #2a9d8d);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(61, 184, 166, 0.3);
}

/* ————— 数据条 ————— */

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    background: #fffdf9;
    padding: 36px 24px 28px;
    border-radius: 24px 6px 24px 6px;
    border: 1px solid rgba(28, 42, 58, 0.06);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, #ff6b5e, #ffc94a);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px rgba(28, 42, 58, 0.09);
}

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

.stat-number {
    font-size: 2.7rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #ff6b5e;
    line-height: 1.1;
    display: inline-block;
}

.stat-number::after {
    content: '+';
    font-size: 1.4rem;
    vertical-align: super;
    color: #ffc94a;
    font-weight: 700;
}

.stat-label {
    font-size: 0.92rem;
    opacity: 0.6;
    color: #1c2a3a;
    margin-top: 8px;
    font-weight: 500;
}

/* ————— 内容墙 ————— */

.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 24px 6px 24px 6px;
    overflow: hidden;
    border: 1px solid rgba(28, 42, 58, 0.06);
    background: #fffdf9;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.content-wall-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 40px rgba(28, 42, 58, 0.1);
}

.content-wall-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.content-wall-item:hover img {
    transform: scale(1.04);
}

.content-wall-body {
    padding: 22px;
}

.content-wall-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1c2a3a;
    margin-bottom: 8px;
}

.content-wall-body p {
    font-size: 0.88rem;
    color: #4a5a6a;
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 14px;
}

.content-wall-body .tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(61, 184, 166, 0.1);
    color: #2a9d8d;
}

.content-wall-item:nth-child(2n) .content-wall-body .tag {
    background: rgba(255, 107, 94, 0.1);
    color: #ff6b5e;
}

/* ————— FAQ ————— */

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(28, 42, 58, 0.08);
    background: #fffdf9;
    border-radius: 18px 4px 18px 4px;
    margin-bottom: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 107, 94, 0.3);
    box-shadow: 0 6px 20px rgba(28, 42, 58, 0.05);
}

.faq-item.open {
    border-color: rgba(255, 107, 94, 0.35);
    box-shadow: 0 8px 28px rgba(255, 107, 94, 0.08);
}

.faq-item .faq-question {
    padding: 20px 24px;
    font-weight: 700;
    font-size: 1rem;
    color: #1c2a3a;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: color 0.25s ease;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.6rem;
    font-weight: 300;
    color: #ff6b5e;
    line-height: 1;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.faq-item.open .faq-question {
    color: #ff6b5e;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-item .faq-answer {
    padding: 0 24px 22px;
    display: none;
    opacity: 0.75;
    color: #4a5a6a;
    line-height: 1.85;
    font-size: 0.95rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeSlideIn 0.35s ease;
}

/* ————— CTA 横幅 ————— */

.cta-banner {
    padding: 64px 48px;
    text-align: center;
    border-radius: 32px 8px 32px 8px;
    background: linear-gradient(135deg, #ff6b5e 0%, #ff8a5c 55%, #ffa36b 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(255, 107, 94, 0.28);
}

.cta-banner::before {
    content: '⬇';
    position: absolute;
    top: -50px;
    left: -20px;
    font-size: 300px;
    line-height: 1;
    color: rgba(255, 255, 255, 0.12);
    pointer-events: none;
    transform: rotate(14deg);
}

.cta-banner::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -60px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 28px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.92);
    max-width: 440px;
    margin: 0 auto 28px;
    font-size: 1.05rem;
    position: relative;
    z-index: 1;
    line-height: 1.7;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #ff6b5e;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    position: relative;
    z-index: 1;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
}

/* ————— 页脚 ————— */

.site-footer {
    padding: 64px 0 28px;
    background: #f3eee7;
    border-top: 1px solid rgba(28, 42, 58, 0.06);
    margin-top: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand {
    padding-right: 32px;
}

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

.footer-brand p {
    font-size: 0.9rem;
    color: #4a5a6a;
    opacity: 0.75;
    line-height: 1.75;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: #1c2a3a;
    letter-spacing: 0.5px;
}

.footer-col h4::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #ff6b5e, #ffc94a);
    border-radius: 2px;
    margin-top: 8px;
}

.footer-col a {
    display: block;
    color: #4a5a6a;
    text-decoration: none;
    font-size: 0.9rem;
    padding: 5px 0;
    transition: color 0.25s ease, transform 0.25s ease;
}

.footer-col a:hover {
    color: #ff6b5e;
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(28, 42, 58, 0.08);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: #4a5a6a;
    opacity: 0.65;
}

.footer-bottom::before {
    content: '◈';
    display: block;
    font-size: 0.9rem;
    color: #ff6b5e;
    margin-bottom: 8px;
    opacity: 0.5;
}

/* ————— 工具类 ————— */

.text-accent {
    color: #ff6b5e;
}

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

.seo-description {
    max-width: 640px;
    margin: 0 auto 48px;
    opacity: 0.72;
    color: #4a5a6a;
    line-height: 1.85;
    font-size: 1.02rem;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

/* ————— 动画 ————— */

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floaty {
    0%, 100% {
        transform: translateY(0) rotate(14deg);
    }
    50% {
        transform: translateY(-12px) rotate(18deg);
    }
}

/* ————— 响应式 : 900px ————— */

@media (max-width: 900px) {
    .hero {
        gap: 32px;
        padding: 120px 0 56px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-image {
        max-width: 340px;
    }

    .feature-block {
        gap: 40px;
    }

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

    .hero::after {
        right: 36%;
    }
}

/* ————— 响应式 : 768px ————— */

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .hero {
        flex-direction: column;
        padding: 108px 0 48px;
        align-items: center;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero h1::after {
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
        border-left: none;
        padding-left: 0;
        border-top: 3px solid #ffc94a;
        padding-top: 18px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        max-width: 320px;
        width: 100%;
        transform: rotate(0deg);
    }

    .hero::after {
        top: 10%;
        right: 12%;
    }

    .hero::before {
        font-size: 260px;
        right: -30px;
    }

    .feature-block {
        grid-template-columns: 1fr;
    }

    .feature-text {
        order: 1;
        text-align: center;
    }

    .feature-list {
        text-align: left;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border: none;
        background: rgba(28, 42, 58, 0.06);
        border-radius: 14px 4px 14px 4px;
        cursor: pointer;
        font-size: 1.1rem;
        color: #1c2a3a;
        transition: background 0.3s ease;
    }

    .menu-toggle:hover {
        background: rgba(28, 42, 58, 0.1);
    }

    .menu-toggle::before {
        content: '☰';
        font-size: 20px;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(250, 246, 240, 0.98);
        padding: 28px 32px;
        gap: 20px;
        border-bottom: 1px solid rgba(28, 42, 58, 0.08);
        box-shadow: 0 16px 40px rgba(28, 42, 58, 0.1);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    .main-nav.open a {
        font-size: 1.1rem;
        font-weight: 600;
    }

    .nav-cta {
        margin-left: 0;
    }

    .cta-banner {
        padding: 52px 28px;
    }

    .cta-banner h2 {
        font-size: 1.9rem;
    }
}

/* ————— 响应式 : 480px ————— */

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero::after {
        width: 52px;
        height: 52px;
        font-size: 0.65rem;
        right: 8%;
        top: 6%;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .cta-banner {
        padding: 44px 20px;
        border-radius: 24px 4px 24px 4px;
    }

    .cta-banner h2 {
        font-size: 1.6rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .footer-bottom {
        font-size: 0.78rem;
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo-icon {
        width: 34px;
        height: 34px;
    }
}