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

body {
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    background-color: #fcf5eb;
    color: #111b21;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* 导航栏 */
.navbar {
    background-color: #fcf5eb;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: #25d366;
}

.nav-links {
    display: flex;
    gap: 32px;
    font-size: 15px;
    font-weight: 500;
}

.nav-links a:hover {
    text-decoration: underline;
}

.nav-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-primary {
    background-color: #25d366;
    color: white;
    padding: 12px 24px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #1da851;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-outline {
    border: 1px solid #111b21;
    padding: 10px 20px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 15px;
}

.btn-outline:hover {
    background-color: rgba(0,0,0,0.05);
}

/* 首屏 */
.hero-section {
    padding: 20px 24px;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 60px;
    max-width: 500px;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-content h1 {
    margin-bottom: 24px;
}

.creative-title {
    line-height: 1.1;
    letter-spacing: -2px;
    position: relative;
    z-index: 10;
}

.creative-highlight {
    font-family: 'Noto Serif SC', serif;
    font-size: 72px;
    font-weight: 900;
    background: linear-gradient(135deg, #60ffa4 0%, #25d366 50%, #128c7e 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    animation: gradient-flow 4s ease infinite, float-text 6s ease-in-out infinite;
    filter: drop-shadow(0 4px 12px rgba(37,211,102,0.3));
    margin-bottom: -4px;
}

.creative-main {
    font-family: 'Noto Sans SC', 'Helvetica Neue', Helvetica, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 88px;
    font-weight: 900;
    color: white;
    text-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: inline-block;
    position: relative;
    z-index: 1;
}

.creative-main::after {
    content: '';
    position: absolute;
    bottom: 12px;
    left: -4px;
    right: -8px;
    height: 16px;
    background: #25d366;
    z-index: -1;
    opacity: 0.9;
    transform: skewX(-15deg);
    border-radius: 2px;
}

@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

.hero-content p {
    font-size: 18px;
    margin-bottom: 32px;
}

.creative-desc {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 1px;
    margin-top: 24px;
    margin-bottom: 40px;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid #25d366;
    border-radius: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: inline-block;
    transition: all 0.3s ease;
}

.creative-desc:hover {
    transform: translateX(4px);
    border-left-color: #60ffa4;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.desc-keyword {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    font-weight: 900;
    color: #60ffa4;
    margin: 0 4px;
    text-shadow: 0 0 16px rgba(37,211,102,0.4);
}

/* 浮动头像特性 */
.feature-avatars {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

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

/* 浮动头像区块创意排版 */
.creative-avatar-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 38px;
    line-height: 1.6;
    font-weight: 500;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    color: #111b21;
}

.highlight-express {
    font-family: 'Noto Serif SC', serif;
    font-weight: 900;
    font-style: italic;
    color: #25d366;
    position: relative;
    display: inline-block;
    padding: 0 4px;
}

.highlight-express::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(37, 211, 102, 0.2);
    z-index: -1;
    transform: skewX(-15deg);
}

.highlight-connect {
    background: linear-gradient(120deg, #111b21 0%, #128c7e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    border-bottom: 3px solid #25d366;
    padding-bottom: 2px;
}

.feature-title {
    font-size: 36px;
    line-height: 1.4;
    font-weight: 400;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.floating-avatars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.avatar {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.a1 { top: 20%; left: 20%; width: 80px; height: 80px; }
.a2 { top: 60%; right: 15%; width: 70px; height: 70px; }
.a3 { bottom: 10%; left: 30%; width: 50px; height: 50px; }

/* 图文分割特性 */
.feature-split {
    padding: 100px 0;
}

.feature-split .container {
    display: flex;
    align-items: center;
    gap: 80px;
}

.feature-split .reverse {
    flex-direction: row-reverse;
}

.split-content {
    flex: 1;
}

.split-content h2 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 24px;
    font-weight: 500;
}

.split-content p {
    font-size: 20px;
    color: #5e5e5e;
    margin-bottom: 32px;
}

/* 创意特性排版 */
.creative-feature-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 46px;
    line-height: 1.3;
    margin-bottom: 24px;
    font-weight: 900;
    letter-spacing: -1px;
}

.highlight-tech {
    background: linear-gradient(120deg, #25d366, #128c7e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    padding: 0 4px;
}

.highlight-tech::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 0;
    width: 100%;
    height: 12px;
    background-color: rgba(37, 211, 102, 0.15);
    z-index: -1;
    transform: skewX(-15deg);
    border-radius: 2px;
}

.highlight-emotion {
    font-family: 'Noto Serif SC', serif;
    color: #111b21;
    font-weight: 900;
    position: relative;
    display: inline-block;
}

.highlight-emotion::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #25d366;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.feature-split:hover .highlight-emotion::after {
    transform: scaleX(1);
    transform-origin: left;
}

.creative-feature-desc {
    font-size: 18px;
    color: #5e5e5e;
    line-height: 1.8;
    margin-bottom: 40px;
    position: relative;
    padding-left: 24px;
    border-left: 3px solid #e4fce4;
}

.desc-em {
    font-family: 'Noto Serif SC', serif;
    font-weight: 700;
    color: #128c7e;
    background: rgba(37, 211, 102, 0.08);
    padding: 2px 8px;
    border-radius: 6px;
    margin: 0 4px;
    transition: all 0.3s ease;
}

.desc-em:hover {
    background: rgba(37, 211, 102, 0.2);
    color: #075e54;
}

.creative-link {
    transition: all 0.3s ease;
}

.creative-link:hover {
    color: #25d366;
    letter-spacing: 1px;
}

/* 加密安全区块排版 */
.creative-secure-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 56px;
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: 2px;
    text-shadow: 0 0 24px rgba(37, 211, 102, 0.3);
    margin-bottom: 32px;
}

.creative-secure-desc {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    line-height: 2;
    color: #a0aab0;
    background: linear-gradient(145deg, rgba(17, 27, 33, 0.8), rgba(0, 0, 0, 0.4));
    border: 1px solid rgba(37, 211, 102, 0.15);
    border-radius: 16px;
    padding: 28px;
    position: relative;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.8), 0 10px 30px rgba(0,0,0,0.5);
    margin-bottom: 32px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.creative-secure-desc:hover {
    border-color: rgba(37, 211, 102, 0.6);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.8), 0 0 24px rgba(37, 211, 102, 0.15);
    transform: translateY(-4px);
}

.secure-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(37, 211, 102, 0.1);
    color: #25d366;
    padding: 2px 10px;
    border-radius: 20px;
    font-family: 'Courier New', Courier, monospace, 'Noto Sans SC';
    font-weight: 700;
    font-size: 14px;
    border: 1px solid rgba(37, 211, 102, 0.3);
    margin: 0 4px;
    text-shadow: 0 0 8px rgba(37, 211, 102, 0.5);
}

.secure-highlight {
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.secure-alert {
    font-family: 'Noto Serif SC', serif;
    color: #ffffff;
    position: relative;
    z-index: 1;
    font-weight: 900;
}

.secure-alert::after {
    content: '';
    position: absolute;
    left: -2px;
    bottom: 2px;
    width: calc(100% + 4px);
    height: 40%;
    background: rgba(37, 211, 102, 0.5);
    z-index: -1;
    transition: height 0.3s ease, background 0.3s ease;
    border-radius: 2px;
}

.creative-secure-desc:hover .secure-alert::after {
    height: 100%;
    background: rgba(37, 211, 102, 0.8);
}

/* 桌面大屏区块排版 */
.creative-desktop-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 48px;
    line-height: 1.2;
    font-weight: 900;
    margin-bottom: 24px;
    position: relative;
}

.screen-glow {
    position: relative;
    display: inline-block;
    color: #111b21;
    z-index: 1;
}

.screen-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(37,211,102,0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: -1;
    border-radius: 50%;
    filter: blur(10px);
}

.creative-desktop-desc {
    font-size: 18px;
    color: #5e5e5e;
    line-height: 1.8;
    margin-bottom: 32px;
    background: rgba(255, 255, 255, 0.8);
    padding: 40px 24px 24px 24px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.02);
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.creative-desktop-desc:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
}

.creative-desktop-desc::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 16px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff5f56;
    box-shadow: 16px 0 0 #ffbd2e, 32px 0 0 #27c93f;
}

.creative-desktop-desc strong {
    color: #111b21;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 900;
    border-bottom: 2px solid #25d366;
}

.desktop-tags {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.d-tag {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #5e5e5e;
    background: #fcf5eb;
    padding: 8px 16px;
    border-radius: 12px;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05), 0 2px 8px rgba(0,0,0,0.02);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: 6px;
}

.d-tag:hover {
    transform: translateY(-4px);
    background: #ffffff;
    color: #25d366;
    box-shadow: inset 0 0 0 1px #25d366, 0 8px 16px rgba(37,211,102,0.15);
}

.desktop-btn {
    transition: all 0.3s ease;
}

.desktop-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}

/* 群组联系区块排版 */
.creative-group-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 52px;
    line-height: 1.2;
    font-weight: 900;
    margin-bottom: 32px;
}

.group-stack {
    position: relative;
    display: inline-block;
    color: #111b21;
    z-index: 2;
}

.group-stack::before,
.group-stack::after {
    content: '利用群组';
    position: absolute;
    top: 0;
    left: 0;
    -webkit-text-stroke: 1px transparent;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.group-stack::before {
    color: transparent;
    -webkit-text-stroke: 2px #25d366;
    z-index: -1;
    transform: translate(-4px, 4px);
}

.group-stack::after {
    color: transparent;
    -webkit-text-stroke: 2px #128c7e;
    z-index: -2;
    transform: translate(-8px, 8px);
}

.feature-split:hover .group-stack::before {
    transform: translate(-6px, 6px);
}

.feature-split:hover .group-stack::after {
    transform: translate(-12px, 12px);
}

.group-connect {
    color: #111b21;
    position: relative;
    display: inline-block;
}

.group-connect::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 100%;
    height: 12px;
    background: repeating-linear-gradient(90deg, #25d366 0, #25d366 8px, transparent 8px, transparent 16px);
    background-position: 0 100%;
    background-size: 16px 4px;
    background-repeat: repeat-x;
    z-index: -1;
    animation: dash-move 1s linear infinite;
}

@keyframes dash-move {
    0% { background-position: 0 100%; }
    100% { background-position: 16px 100%; }
}

.creative-group-desc {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
    padding-right: 40px;
}

.chat-bubble {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    border-radius: 20px;
    max-width: 85%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chat-bubble:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,211,102,0.15);
}

.bubble-left {
    background: #ffffff;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    border: 1px solid rgba(0,0,0,0.05);
}

.bubble-right {
    background: #e4fce4;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.chat-avatar {
    font-size: 20px;
    background: #fcf5eb;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    flex-shrink: 0;
}

.bubble-right .chat-avatar {
    background: #ffffff;
}

.chat-text {
    font-size: 16px;
    color: #111b21;
    line-height: 1.5;
}

.chat-text strong {
    color: #075e54;
    font-weight: 900;
}

.group-summary {
    font-size: 18px;
    color: #5e5e5e;
    margin-top: 16px;
    text-align: center;
    padding-top: 24px;
    position: relative;
}

.group-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.highlight-green {
    color: #25d366;
    font-weight: 900;
    font-family: 'Noto Sans SC', sans-serif;
    padding: 0 4px;
}

/* 表达真情实感区块排版 */
.creative-emotion-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 56px;
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 32px;
}

.emotion-word {
    color: #111b21;
    position: relative;
}

.emotion-word-gradient {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53, #25d366);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: warm-gradient 5s ease infinite;
    display: inline-block;
    padding-right: 10px; /* 防止斜体字被裁切 */
    font-style: italic;
}

@keyframes warm-gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.creative-emotion-desc {
    margin-bottom: 40px;
}

.emotion-lead {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 22px;
    color: #111b21;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
}

.emotion-lead::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 4px;
    background: #ff6b6b;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.feature-split:hover .emotion-lead::after {
    width: 100%;
}

.emotion-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.e-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border: 1px solid rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.e-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    border-color: rgba(37, 211, 102, 0.3);
}

.e-card.full-width {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    background: #fcf5eb;
    border-color: rgba(255, 107, 107, 0.2);
}

.e-card.full-width:hover {
    background: #ffffff;
    border-color: #ff6b6b;
}

.e-icon {
    font-size: 28px;
    background: #fcf5eb;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.e-card.full-width .e-icon {
    background: #ffffff;
    border-radius: 50%;
}

.e-text {
    font-size: 15px;
    color: #5e5e5e;
    line-height: 1.6;
}

.e-text strong {
    color: #111b21;
    font-weight: 900;
}

/* 语音波形动画 */
.voice-wave {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    height: 24px;
}

.voice-wave span {
    display: block;
    width: 4px;
    background: #ff6b6b;
    border-radius: 2px;
    animation: wave-bounce 1s ease-in-out infinite;
}

.voice-wave span:nth-child(1) { height: 40%; animation-delay: 0.0s; }
.voice-wave span:nth-child(2) { height: 80%; animation-delay: 0.1s; }
.voice-wave span:nth-child(3) { height: 100%; animation-delay: 0.2s; }
.voice-wave span:nth-child(4) { height: 60%; animation-delay: 0.3s; }
.voice-wave span:nth-child(5) { height: 30%; animation-delay: 0.4s; }

@keyframes wave-bounce {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.split-image {
    flex: 1;
}

.split-image img {
    width: 100%;
    max-width: 550px;
    height: auto;
    border-radius: 24px;
    display: block;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    image-rendering: -webkit-optimize-contrast; /* 针对 Webkit 浏览器的优化 */
    image-rendering: crisp-edges; /* 提升缩放时的边缘清晰度 */
}

.link-more {
    font-weight: 700;
    font-size: 16px;
    border-bottom: 2px solid #25d366;
    padding-bottom: 4px;
    display: inline-block;
}

/* 深色模式区块 */
.dark-mode {
    background-color: #111b21;
    color: white;
}

.dark-mode .split-content p {
    color: #a0aab0;
}

.text-green {
    color: #25d366 !important;
}

.dark-mode .link-more {
    border-color: transparent;
}

/* 页脚 */
.footer {
    padding: 40px 0;
    font-size: 12px;
    color: #5e5e5e;
}

/* 响应式 */
@media (max-width: 992px) {
    .feature-split .container,
    .feature-split .reverse {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 48px;
    }
    
    .feature-title {
        font-size: 28px;
    }
    
    .split-content h2 {
        font-size: 36px;
    }
}

/* 特性增强补充 */
.feature-split .container.reverse {
    flex-direction: row-reverse;
}

/* 资讯与新闻 */
.news-section {
    background-color: #e4fce4;
    padding: 100px 0;
}

.news-container {
    display: flex;
    gap: 60px;
    align-items: center;
}

.news-header {
    flex: 1;
    max-width: 300px;
}

.news-header h2 {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 24px;
}

.news-header p {
    font-size: 16px;
    color: #111b21;
    margin-bottom: 32px;
}

.news-arrows {
    display: flex;
    gap: 12px;
}

.arrow-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #111b21;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.arrow-btn:hover {
    background-color: rgba(0,0,0,0.05);
}

.news-cards {
    flex: 3;
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 20px;
}

.news-card {
    background: white;
    padding: 40px 32px;
    border-radius: 24px;
    min-width: 320px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.news-icon {
    font-size: 24px;
    margin-bottom: 24px;
}

.news-card h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.4;
}

.news-card p {
    font-size: 14px;
    color: #5e5e5e;
    margin-bottom: 32px;
    flex-grow: 1;
}

.news-card .btn-outline {
    align-self: flex-start;
}

/* 复杂页脚 */
.footer-complex {
    background-color: #111b21;
    color: white;
    padding: 80px 0 40px;
}

.footer-top {
    display: flex;
    gap: 80px;
    margin-bottom: 80px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
}

.white-logo {
    color: white;
}

.footer-links {
    display: flex;
    flex: 1;
    justify-content: space-between;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-col h4 {
    color: #a0aab0;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 15px;
    font-weight: 500;
    color: white;
    transition: color 0.2s;
}

.footer-col a:hover {
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-copy {
    display: flex;
    align-items: center;
    gap: 32px;
    font-size: 14px;
    color: #a0aab0;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    text-decoration: none;
    color: white;
}

.social-icon:hover {
    background-color: rgba(255,255,255,0.1);
}

.lang-selector select {
    background: transparent;
    color: white;
    border: 1px solid white;
    padding: 10px 32px 10px 16px;
    border-radius: 40px;
    appearance: none;
    cursor: pointer;
    font-size: 14px;
}

@media (max-width: 992px) {
    .news-container {
        flex-direction: column;
    }
    .news-header {
        max-width: 100%;
        text-align: center;
    }
    .news-arrows {
        justify-content: center;
    }
    .footer-top {
        flex-direction: column;
    }
    .footer-links {
        flex-wrap: wrap;
        gap: 40px;
    }
    .footer-col {
        min-width: 40%;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    .footer-copy {
        flex-direction: column;
        gap: 12px;
    }
}