*,
*::before,
*::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html, body { height: 100%; }
body {
    background-color: #000;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
a:hover { color: #FF6B35; }

button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }

/* ---------- 通用工具 ---------- */
.accent { color: #FF6B35; }
.text-muted { color: #8A8A93; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- HEADER ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-header .container {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-img { height: 28px; width: 28px; object-fit: contain; }
.logo-text { font-size: 14px; font-weight: 500; color: #fff; letter-spacing: 0.5px; }
.main-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}
.main-nav a {
    font-size: 12px;
    color: #8A8A93;
    letter-spacing: 0.5px;
    transition: color 0.2s ease;
}
.main-nav a:hover { color: #fff; }
.main-nav a.active { color: #FF6B35; }

@media (max-width: 768px) {
    .main-nav { display: none; }
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px 40px;
    text-align: center;
}
.hero-logo { margin-bottom: 32px; }
.hero-logo img {
    width: 64px; height: 64px;
    object-fit: contain;
    margin: 0 auto;
}
.hero-title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.5px;
    color: #fff;
}
.hero-title .line-1 { display: block; color: #fff; }
.hero-title .line-2 {
    display: block;
    margin-top: 4px;
    color: #FF6B35;
}
.hero-sub {
    font-size: 13px;
    color: #8A8A93;
    margin-top: 16px;
    max-width: 520px;
    line-height: 1.6;
}
.hero-cta {
    display: flex;
    flex-direction: row;
    gap: 12px;
    margin-top: 32px;
    flex-wrap: wrap;
    justify-content: center;
}
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
    border-radius: 2px;
}
.btn-primary {
    background-color: #FF6B35;
    color: #fff;
    border: 1px solid #FF6B35;
}
.btn-primary:hover { opacity: 0.9; color: #fff; }
.btn-outline {
    background-color: transparent;
    color: #8A8A93;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-outline:hover {
    border-color: #FF6B35;
    color: #fff;
}
.btn-sm { padding: 8px 20px; font-size: 12px; }
.btn-lg { padding: 14px 40px; font-size: 14px; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px 32px;
    margin-top: 80px;
    max-width: 700px;
    width: 100%;
}
.hero-stat { text-align: center; }
.hero-stat-num {
    font-size: 28px;
    font-weight: 700;
    color: #FF6B35;
    display: block;
}
.hero-stat-lbl {
    font-size: 12px;
    color: #8A8A93;
    margin-top: 4px;
    display: block;
}
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.hero-scroll-line {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, #FF6B35, transparent);
}

@media (max-width: 768px) {
    .hero-title { font-size: 28px; }
    .hero-sub { font-size: 12px; padding: 0 16px; }
    .hero-cta { flex-direction: column; align-items: center; width: 100%; max-width: 280px; }
    .hero-cta .btn { width: 100%; }
    .hero-stats { grid-template-columns: 1fr; gap: 24px; margin-top: 48px; }
    .hero-stat-num { font-size: 24px; }
}

/* ---------- 通用 Section ---------- */
.section {
    padding: 96px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.section-inner { max-width: 1120px; margin: 0 auto; }
.section-label {
    color: #FF6B35;
    font-size: 12px;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 12px;
}
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}
.section-desc {
    color: #8A8A93;
    font-size: 13px;
    margin-top: 12px;
    max-width: 560px;
    line-height: 1.6;
}
.section-head { margin-bottom: 64px; }

@media (max-width: 768px) {
    .section { padding: 64px 20px; }
    .section-title { font-size: 26px; }
    .section-head { margin-bottom: 40px; }
}

/* ---------- Insight Cards (行业洞察) ---------- */
.insight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}
.insight-card {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(255, 255, 255, 0.02);
}
.insight-card-label {
    color: #FF6B35;
    font-size: 12px;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 12px;
}
.insight-card h3 {
    font-size: 18px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}
.insight-card p {
    font-size: 12px;
    color: #8A8A93;
    line-height: 1.7;
    margin-top: 8px;
}
.insight-card-num {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 8px;
}
.insight-card-num .num {
    font-size: 24px;
    font-weight: 700;
    color: #FF6B35;
}
.insight-card-num .lbl {
    font-size: 12px;
    color: #8A8A93;
}

@media (max-width: 768px) {
    .insight-grid { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
}

/* ---------- 范式跃迁 (Search Paradigm) ---------- */
.era-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}
.era-card {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(255, 255, 255, 0.02);
}
.era-card:nth-child(3) {
    background-color: rgba(255, 107, 53, 0.08);
}
.era-card-era {
    font-size: 12px;
    color: #8A8A93;
    display: block;
    margin-bottom: 8px;
}
.era-card:nth-child(3) .era-card-era { color: #FF6B35; }
.era-card h3 {
    font-size: 16px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 4px;
}
.era-card-sub {
    font-size: 12px;
    color: #8A8A93;
    margin-bottom: 4px;
}

@media (max-width: 768px) {
    .era-grid { grid-template-columns: 1fr; }
}

/* ---------- GEO Comparison Table ---------- */
.compare-wrap {
    margin-top: 8px;
    margin-bottom: 40px;
    overflow-x: auto;
}
.compare-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.compare-table thead tr {
    border-bottom: 1px solid rgba(255, 107, 53, 0.4);
}
.compare-table th {
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 500;
}
.compare-table th:first-child {
    color: #fff;
    width: 120px;
    padding-left: 0;
}
.compare-table th:nth-child(2) {
    color: #FF6B35;
    background-color: rgba(255, 107, 53, 0.08);
}
.compare-table th:nth-child(3) {
    color: #8A8A93;
    background-color: rgba(255, 255, 255, 0.02);
}
.compare-table tbody tr { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.compare-table tbody tr:last-child { border-bottom: none; }
.compare-table td { padding: 12px 16px; font-size: 12px; }
.compare-table td:first-child {
    color: #fff;
    font-weight: 500;
    padding-left: 0;
}
.compare-table td:nth-child(2) {
    color: #fff;
    background-color: rgba(255, 107, 53, 0.04);
}
.compare-table td:nth-child(3) {
    color: #8A8A93;
    background-color: rgba(255, 255, 255, 0.016);
}
.compare-note {
    text-align: center;
    color: #8A8A93;
    font-size: 12px;
    font-style: italic;
    margin-bottom: 64px;
}

/* ---------- GEO Value Cards ---------- */
.value-label {
    color: #8A8A93;
    font-size: 12px;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 24px;
}
.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.value-card {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(255, 255, 255, 0.02);
}
.value-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.value-card-num {
    color: #FF6B35;
    font-size: 12px;
    font-weight: 700;
}
.value-card h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}
.value-card p {
    color: #8A8A93;
    font-size: 12px;
    line-height: 1.7;
}
.value-card-stat {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 12px;
    color: #8A8A93;
}
.value-card-stat .metric {
    color: #FF6B35;
    font-size: 14px;
    font-weight: 700;
}

@media (max-width: 768px) {
    .value-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ---------- Myths Grid ---------- */
.myths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.myth-card {
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(255, 255, 255, 0.02);
    min-height: 140px;
    transition: border-color 0.3s ease, background-color 0.3s ease;
    cursor: pointer;
}
.myth-card:hover {
    border-color: rgba(255, 107, 53, 0.4);
}
.myth-card-inner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.myth-num {
    color: #FF6B35;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    line-height: 1.5;
}
.myth-text-block p:first-child {
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 8px;
    line-height: 1.5;
}
.myth-text-block p:last-child {
    color: #8A8A93;
    font-size: 12px;
    line-height: 1.6;
}
.myth-note {
    text-align: center;
    color: #8A8A93;
    font-size: 12px;
    font-style: italic;
    margin-top: 32px;
}

@media (max-width: 1024px) {
    .myths-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .myths-grid { grid-template-columns: 1fr; }
}

/* ---------- Process Flow (服务流程) ---------- */
.process-flow {
    position: relative;
    margin: 32px 0 80px;
    padding: 40px 0 24px;
}
.process-flow-line {
    position: absolute;
    top: 72px;
    left: 5%;
    right: 5%;
    height: 1px;
    background-color: #FF6B35;
    z-index: 0;
}
.process-flow-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    z-index: 1;
}
.process-flow-item {
    text-align: left;
    padding: 0 8px;
}
.process-flow-box {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    border: 1px solid #FF6B35;
    background-color: transparent;
    color: #FF6B35;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    letter-spacing: 1px;
}
.process-flow-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 10px 0;
    text-align: left;
}
.process-flow-desc {
    color: #8A8A93;
    font-size: 12px;
    line-height: 1.6;
    margin: 0 0 14px 0;
}
.process-flow-deliver {
    color: #8A8A93;
    font-size: 11px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin: 0;
    line-height: 1.6;
}

/* ---------- Deliverables (全套交付物) ---------- */
.deliverables-section {
    margin-top: 40px;
}
.deliverables-label {
    color: #8A8A93;
    font-size: 12px;
    margin-bottom: 20px;
}
.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.deliverable-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background-color: rgba(255,255,255,0.02);
    color: #fff;
    font-size: 13px;
}
.deliverable-check {
    color: #FF6B35;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    .process-flow-line { display: none; }
    .process-flow-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .deliverables-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .process-flow-grid { grid-template-columns: 1fr; }
    .deliverables-grid { grid-template-columns: 1fr; }
    .process-flow-box { margin-left: 0; }
}

/* ---------- Contact (CTA + Form) ---------- */
.contact-cta {
    text-align: center;
    margin-bottom: 64px;
}
.contact-cta h2 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.5px;
}
.contact-cta h2 .line-2 {
    display: block;
    color: #FF6B35;
    margin-top: 4px;
}
.contact-cta p {
    color: #8A8A93;
    font-size: 13px;
    margin-top: 16px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}
.contact-cta-btn { margin-top: 32px; }

.contact-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 24px;
}
.contact-left h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
}
.contact-info-item {
    margin-bottom: 20px;
}
.contact-info-label {
    display: block;
    color: #8A8A93;
    font-size: 12px;
    margin-bottom: 4px;
}
.contact-info-value {
    color: #fff;
    font-size: 13px;
}
.contact-stats {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-stats-label {
    display: block;
    color: #8A8A93;
    font-size: 12px;
    margin-bottom: 12px;
}
.contact-stats-num {
    display: flex;
    align-items: baseline;
    gap: 4px;
}
.contact-stats-num .num {
    font-size: 24px;
    font-weight: 700;
    color: #FF6B35;
}
.contact-stats-num .lbl {
    color: #8A8A93;
    font-size: 12px;
}

/* ---------- Contact Form ---------- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: transparent;
    color: #fff;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    outline: none;
    transition: border-color 0.2s ease;
    border-radius: 2px;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #8A8A93;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: #FF6B35;
}
.contact-form select {
    appearance: none;
    -webkit-appearance: none;
    background-color: #000;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%238A8A93' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px 8px;
    padding-right: 40px;
}
.contact-form select:focus {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%23FF6B35' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
}
.contact-form select option { background: #000; color: #fff; }
.contact-form textarea {
    min-height: 90px;
    resize: none;
    line-height: 1.7;
}
.contact-form button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #FF6B35;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid #FF6B35;
    transition: opacity 0.3s ease;
    border-radius: 2px;
}
.contact-form button[type="submit"]:hover {
    opacity: 0.9;
}
.form-privacy-note {
    font-size: 11px;
    color: #8A8A93;
    text-align: center;
    margin-top: 4px;
}

.form-success, .form-error {
    padding: 12px 16px;
    border-radius: 2px;
    font-size: 12px;
    margin-bottom: 12px;
    text-align: center;
}
.form-success { background: rgba(255, 107, 53, 0.1); border: 1px solid rgba(255, 107, 53, 0.3); color: #FF6B35; }
.form-error   { background: rgba(255, 107, 53, 0.1); border: 1px solid rgba(255, 107, 53, 0.3); color: #FF6B35; }

@media (max-width: 768px) {
    .contact-main { grid-template-columns: 1fr; gap: 40px; }
    .contact-cta h2 { font-size: 28px; }
}

/* ---------- Footer Copyright ---------- */
.footer-bottom {
    margin-top: 96px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 12px;
    color: #8A8A93;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
}
.footer-brand img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}
.footer-slogan { font-style: italic; }
.footer-bottom .icp-link {
    color: #8A8A93;
    font-size: 12px;
}
.footer-bottom .icp-link:hover { color: #FF6B35; }

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 12px;
        margin-top: 48px;
    }
}

/* ---------- 资讯 / 新闻列表页 ---------- */
.page-hero {
    padding: 120px 24px 48px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.page-hero h1 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.page-hero p {
    color: #8A8A93;
    font-size: 13px;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

.news-list-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
}
.news-filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.news-filter-tabs a {
    font-size: 12px;
    color: #8A8A93;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
}
.news-filter-tabs a:hover { color: #FF6B35; }
.news-filter-tabs a.active {
    color: #FF6B35;
    border-bottom-color: #FF6B35;
}
.news-search {
    display: flex;
    gap: 8px;
    align-items: center;
}
.news-search input {
    padding: 8px 12px;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 12px;
    border-radius: 2px;
    outline: none;
}
.news-search input:focus { border-color: #FF6B35; }
.news-search button {
    padding: 8px 16px;
    background-color: #FF6B35;
    color: #fff;
    font-size: 12px;
    border-radius: 2px;
}

.news-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 24px 0 64px;
}
.news-item {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background-color: rgba(255, 255, 255, 0.02);
    transition: border-color 0.2s ease;
}
.news-item:hover { border-color: rgba(255, 107, 53, 0.4); }
.news-item-tag {
    display: inline-block;
    color: #FF6B35;
    font-size: 11px;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}
.news-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.5;
}
.news-item p {
    color: #8A8A93;
    font-size: 12px;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-item-meta {
    display: flex;
    gap: 16px;
    color: #8A8A93;
    font-size: 11px;
}

.pagination-bar {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 32px 0 64px;
    flex-wrap: wrap;
}
.pagination-bar a {
    padding: 6px 14px;
    font-size: 12px;
    color: #8A8A93;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 2px;
}
.pagination-bar a.active,
.pagination-bar a:hover {
    color: #FF6B35;
    border-color: rgba(255, 107, 53, 0.4);
}

@media (max-width: 768px) {
    .page-hero { padding: 88px 20px 32px; }
    .page-hero h1 { font-size: 26px; }
    .news-list-grid { grid-template-columns: 1fr; gap: 16px; }
    .news-list-toolbar { flex-direction: column; align-items: stretch; }
}

/* ---------- 资讯详情页 ---------- */
.article-wrap {
    padding: 120px 24px 96px;
}
.article-breadcrumb {
    color: #8A8A93;
    font-size: 12px;
    margin-bottom: 32px;
}
.article-breadcrumb a { color: #8A8A93; }
.article-breadcrumb a:hover { color: #FF6B35; }
.article-breadcrumb span { margin: 0 6px; color: rgba(255,255,255,0.2); }

.article-content {
    max-width: 720px;
    margin: 0 auto;
}
.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}
.article-meta {
    display: flex;
    gap: 20px;
    color: #8A8A93;
    font-size: 12px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.article-body {
    font-size: 15px;
    color: #d4d4d8;
    line-height: 1.9;
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
    font-size: 22px;
    color: #fff;
    font-weight: 700;
    margin: 40px 0 16px;
}
.article-body h3 {
    font-size: 18px;
    color: #fff;
    font-weight: 700;
    margin: 32px 0 12px;
}
.article-body a { color: #FF6B35; }
.article-body a:hover { text-decoration: underline; }

.article-back {
    text-align: center;
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.article-back a {
    display: inline-block;
    padding: 10px 28px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #8A8A93;
    font-size: 12px;
    border-radius: 2px;
}
.article-back a:hover { color: #FF6B35; border-color: rgba(255, 107, 53, 0.4); }

@media (max-width: 768px) {
    .article-wrap { padding: 88px 20px 48px; }
    .article-title { font-size: 22px; }
    .article-body { font-size: 14px; }
}

/* ---------- Fade-in animation ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}