/* ========================================
   XTTP6 - 各页面区块样式 (Vibrant Tech White)
   ======================================== */

/* ---------- Hero ---------- */
.xt6-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #fff 0%, rgba(239, 246, 255, 0.5) 50%, rgba(250, 245, 255, 0.5) 100%);
}

.xt6-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.xt6-hero-orb1 {
    position: absolute;
    top: 5rem;
    right: 25%;
    width: 24rem;
    height: 24rem;
    background: rgba(96, 165, 250, 0.2);
    border-radius: 50%;
    filter: blur(80px);
}

.xt6-hero-orb2 {
    position: absolute;
    bottom: 5rem;
    left: 25%;
    width: 20rem;
    height: 20rem;
    background: rgba(192, 132, 252, 0.2);
    border-radius: 50%;
    filter: blur(80px);
}

.xt6-hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: linear-gradient(to right, #3b82f6 1px, transparent 1px),
                      linear-gradient(to bottom, #3b82f6 1px, transparent 1px);
    background-size: 60px 60px;
}

.xt6-hero-inner {
    position: relative;
    z-index: 10;
    padding-top: 6rem;
    padding-bottom: 4rem;
}

.xt6-hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .xt6-hero-content { grid-template-columns: 1fr 1fr; gap: 5rem; }
}

.xt6-hero-badge {
    margin-bottom: 1.5rem;
}

.xt6-hero-title {
    font-size: 2.25rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

@media (min-width: 640px) {
    .xt6-hero-title { font-size: 3rem; }
}

@media (min-width: 1024px) {
    .xt6-hero-title { font-size: 3.75rem; }
}

.xt6-hero-desc {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 32rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.xt6-hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.xt6-hero-highlights span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.xt6-hero-highlights svg {
    flex-shrink: 0;
    color: #22c55e;
}

.xt6-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.xt6-hero-actions .xt6-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
}

.xt6-hero-actions .xt6-btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.xt6-hero-actions .xt6-btn-secondary:hover {
    border-color: var(--primary-border);
    color: var(--primary);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.xt6-hero-visual {
    position: relative;
}

.xt6-hero-img-wrap {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.xt6-hero-img-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

.xt6-hero-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(255,255,255,0.2), transparent);
}

.xt6-hero-float {
    position: absolute;
    background: white;
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.15);
    border: 1px solid var(--gray-100);
}

.xt6-hero-float-1 { bottom: -1.5rem; left: -1.5rem; }
.xt6-hero-float-2 { top: -1rem; right: -1rem; }

.xt6-hero-float .xt6-float-value {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.xt6-hero-float .xt6-float-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Hero stats bar */
.xt6-hero-stats {
    margin-top: 5rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .xt6-hero-stats { grid-template-columns: repeat(4, 1fr); }
}

.xt6-hero-stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(8px);
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xt6-hero-stat:hover {
    border-color: var(--primary-border);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.1);
}

.xt6-hero-stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

@media (min-width: 640px) {
    .xt6-hero-stat-value { font-size: 2.25rem; }
}

.xt6-hero-stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ---------- Section 通用 ---------- */
.xt6-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.xt6-section-alt {
    background: linear-gradient(180deg, #fff 0%, var(--gray-50) 100%);
}

.xt6-section-head {
    text-align: center;
    margin-bottom: 4rem;
}

.xt6-section-badge {
    margin-bottom: 1rem;
}

.xt6-section-title {
    font-size: 1.875rem;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

@media (min-width: 640px) {
    .xt6-section-title { font-size: 2.25rem; }
}

@media (min-width: 768px) {
    .xt6-section-title { font-size: 3rem; }
}

.xt6-section-desc {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Services / Cards ---------- */
.xt6-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .xt6-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-cards { grid-template-columns: repeat(3, 1fr); }
}

.xt6-card {
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.xt6-card:hover {
    border-color: var(--gray-200);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.xt6-card-img {
    position: relative;
    height: 12rem;
    overflow: hidden;
}

.xt6-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.xt6-card:hover .xt6-card-img img {
    transform: scale(1.05);
}

.xt6-card-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, white, transparent 50%, transparent);
}

.xt6-card-body {
    padding: 1.5rem;
    margin-top: -2rem;
    position: relative;
    z-index: 1;
}

.xt6-card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: transform 0.3s;
}

.xt6-card:hover .xt6-card-icon {
    transform: scale(1.1);
}

.xt6-card-icon.xt6-icon-blue { background: #dbeafe; color: #2563eb; }
.xt6-card-icon.xt6-icon-cyan { background: #cffafe; color: #0891b2; }
.xt6-card-icon.xt6-icon-purple { background: #ede9fe; color: #7c3aed; }
.xt6-card-icon.xt6-icon-green { background: #dcfce7; color: #16a34a; }
.xt6-card-icon.xt6-icon-orange { background: #ffedd5; color: #ea580c; }
.xt6-card-icon.xt6-icon-indigo { background: #e0e7ff; color: #4f46e5; }

.xt6-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    transition: color 0.2s;
}

.xt6-card:hover .xt6-card-title {
    color: var(--primary);
}

.xt6-card-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.xt6-card-link {
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.xt6-card:hover .xt6-card-link {
    opacity: 1;
}

.xt6-card-link.xt6-link-blue { color: #2563eb; }
.xt6-card-link.xt6-link-cyan { color: #0891b2; }
.xt6-card-link.xt6-link-purple { color: #7c3aed; }
.xt6-card-link.xt6-link-green { color: #16a34a; }
.xt6-card-link.xt6-link-orange { color: #ea580c; }
.xt6-card-link.xt6-link-indigo { color: #4f46e5; }

/* ---------- Network / Stats ---------- */
.xt6-network-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .xt6-network-stats { grid-template-columns: repeat(3, 1fr); }
}

.xt6-network-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid var(--gray-100);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xt6-network-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.1);
}

.xt6-network-card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    background: var(--gradient-btn);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.xt6-network-card:hover .xt6-network-card-icon {
    transform: scale(1.1);
}

.xt6-network-card-value {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.xt6-network-card-label {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.xt6-network-card-desc {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.xt6-map-wrap {
    border-radius: 1.5rem;
    overflow: hidden;
    background: white;
    border: 1px solid var(--gray-100);
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.1);
    margin-bottom: 4rem;
}

.xt6-map-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

.xt6-infra-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--gray-900);
}

@media (min-width: 640px) {
    .xt6-infra-title { font-size: 1.875rem; }
}

.xt6-infra-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .xt6-infra-grid { grid-template-columns: repeat(3, 1fr); }
}

.xt6-infra-card {
    position: relative;
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s;
}

.xt6-infra-card:hover {
    border-color: var(--primary-border);
}

.xt6-infra-card-value {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .xt6-infra-card-value { font-size: 3.75rem; }
}

.xt6-infra-card-label {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* ---------- Partners ---------- */
.xt6-partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 4rem;
    min-width: 0;
}

@media (min-width: 768px) {
    .xt6-partners-grid { grid-template-columns: repeat(4, 1fr); }
}

.xt6-partner-item {
    background: var(--gray-50);
    border-radius: 1rem;
    padding: 1.75rem;
    min-height: 6.5rem;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s, transform 0.3s ease;
}

.xt6-partner-item:hover {
    background: white;
    border-color: var(--primary-border);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.1);
    transform: scale(1.04);
}

.xt6-partner-logo {
    max-height: 52px;
    max-width: 160px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

@media (max-width: 767px) {
    .xt6-partner-item {
        padding: 1rem;
    }
    .xt6-partner-logo {
        max-width: 100%;
    }
}

.xt6-partner-item:hover .xt6-partner-logo {
    transform: scale(1.08);
}

.xt6-partner-item span {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-400);
    transition: color 0.3s;
}

.xt6-partner-item:hover span {
    color: var(--gray-700);
}

.xt6-trust-strip {
    background: linear-gradient(90deg, var(--badge-blue-bg), var(--badge-purple-bg), var(--badge-blue-bg));
    border-radius: 1.5rem;
    padding: 2rem 3rem;
}

.xt6-trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .xt6-trust-grid { grid-template-columns: repeat(3, 1fr); }
}

.xt6-trust-item {
    text-align: center;
}

.xt6-trust-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    border-radius: 1rem;
    background: white;
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.xt6-trust-value {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.xt6-trust-label {
    color: var(--gray-600);
}

/* ---------- 首页：全球网络（参考 xiaotong-template） ---------- */
.xt6-home-network {
    background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
}

.xt6-home-network-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
    .xt6-home-network-stats { grid-template-columns: repeat(3, 1fr); }
}

.xt6-home-network-stat {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    background: white;
    border-radius: 1.25rem;
    padding: 1.75rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xt6-home-network-stat:hover {
    border-color: var(--primary-border);
    box-shadow: 0 12px 28px -8px rgba(37, 99, 235, 0.12);
}

.xt6-home-network-stat-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.xt6-home-network-stat:hover .xt6-home-network-stat-icon {
    transform: scale(1.08);
}

.xt6-home-network-stat-body {
    min-width: 0;
}

.xt6-home-network-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.xt6-home-network-stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.xt6-home-network-stat-desc {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

.xt6-home-network-map {
    border-radius: 1.5rem;
    overflow: hidden;
    background: white;
    border: 1px solid var(--gray-100);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    margin-bottom: 2.5rem;
}

.xt6-home-network-map img {
    width: 100%;
    height: auto;
    display: block;
}

.xt6-home-network-infra-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .xt6-home-network-infra-title { font-size: 1.75rem; }
}

.xt6-home-network-infra {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    min-width: 0;
}

@media (max-width: 767px) {
    .xt6-home-network-infra {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.xt6-home-network-infra-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 1.25rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s;
    min-width: 0;
}

@media (max-width: 767px) {
    .xt6-home-network-infra-item {
        padding: 1.25rem 1rem;
    }
}

.xt6-home-network-infra-item:hover {
    border-color: var(--primary-border);
    box-shadow: 0 12px 28px -8px rgba(37, 99, 235, 0.1);
}

.xt6-home-network-infra-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

@media (max-width: 767px) {
    .xt6-home-network-infra-value { font-size: 2rem; }
}

@media (min-width: 768px) {
    .xt6-home-network-infra-value { font-size: 3rem; }
}

.xt6-home-network-infra-label {
    font-size: 1rem;
    color: var(--gray-600);
}

/* ---------- 首页：关于我们摘要（参考 xiaotong-template） ---------- */
.xt6-home-about {
    background: linear-gradient(180deg, #fff 0%, var(--gray-50) 100%);
}

.xt6-home-about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .xt6-home-about-grid { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.xt6-home-about-main {
    min-width: 0;
}

.xt6-home-about-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.xt6-home-about-title-line {
    display: block;
}

@media (min-width: 768px) {
    .xt6-home-about-title { font-size: 2.25rem; }
}

.xt6-home-about-lead {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.xt6-home-about-advantages {
    list-style: none;
    margin: 0 0 1.5rem 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

@media (min-width: 640px) {
    .xt6-home-about-advantages { grid-template-columns: repeat(2, 1fr); }
}

.xt6-home-about-advantages li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--gray-700);
}

.xt6-home-about-check {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    flex-shrink: 0;
    position: relative;
    display: inline-block;
}

.xt6-home-about-check::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.xt6-home-about-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-decoration: none;
    color: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.xt6-home-about-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.3);
}

.xt6-home-about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .xt6-home-about-features { grid-template-columns: repeat(2, 1fr); }
}

.xt6-home-about-feature {
    background: white;
    border-radius: 1.25rem;
    padding: 1.5rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s ease;
}

.xt6-home-about-feature:hover {
    border-color: var(--primary-border);
    box-shadow: 0 12px 28px -8px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.xt6-home-about-feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: var(--gradient-btn);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.xt6-home-about-feature:hover .xt6-home-about-feature-icon {
    transform: scale(1.08);
}

.xt6-home-about-feature h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.xt6-home-about-feature:hover h3 {
    color: var(--primary);
}

.xt6-home-about-feature p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0;
}

/* ---------- About（参考案例：数据条 + 左右分栏 + 优势卡片 + CTA） ---------- */

/* 数据条：建立信任感（Buffer / Vidyard 等常用） */
.xt6-about-stats {
    padding: 2rem 0;
    margin-top: -0.5rem;
}

.xt6-about-stats-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    padding: 2rem 2.5rem;
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.6), rgba(250, 245, 255, 0.5));
    border-radius: 1.5rem;
    border: 1px solid var(--gray-100);
}

@media (min-width: 768px) {
    .xt6-about-stats-inner { grid-template-columns: repeat(4, 1fr); gap: 2rem; padding: 2.5rem 3rem; }
}

.xt6-about-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.xt6-about-stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: white;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.xt6-about-stat:hover .xt6-about-stat-icon {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
}

.xt6-about-stat-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
}

/* 左右分栏：公司介绍 + 我们的承诺（编辑式布局） */
.xt6-about-split {
    padding: 4rem 0;
}

.xt6-about-split-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

@media (min-width: 1024px) {
    .xt6-about-split-grid { grid-template-columns: 1.2fr 0.8fr; gap: 4rem; }
}

.xt6-about-split-main {
    min-width: 0;
}

.xt6-about-split-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.xt6-about-split-line {
    display: block;
}

@media (min-width: 640px) {
    .xt6-about-split-title { font-size: 2.25rem; }
}

.xt6-about-split-lead {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin: 0;
}

.xt6-about-prose {
    margin: 0;
}

.xt6-about-prose.xt6-prose,
.xt6-about-prose .xt6-prose {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.xt6-about-prose p {
    margin-bottom: 1rem;
}

.xt6-about-prose p:last-child {
    margin-bottom: 0;
}

.xt6-about-split-side {
    min-width: 0;
}

.xt6-about-promise-card {
    background: white;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid var(--gray-100);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 6rem;
}

.xt6-about-promise-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.xt6-about-promise-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.xt6-about-promise-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--gray-700);
    padding: 0.5rem 0;
    line-height: 1.4;
}

.xt6-about-promise-check {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    flex-shrink: 0;
    position: relative;
}

.xt6-about-promise-check::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 我们的优势：卡片网格（清晰区块） */
.xt6-about-strengths {
    padding: 4rem 0;
    background: linear-gradient(180deg, #fff 0%, rgba(249, 250, 251, 0.7) 100%);
}

.xt6-about-strengths-head {
    text-align: center;
    margin-bottom: 2.5rem;
}

.xt6-about-strengths-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .xt6-about-strengths-title { font-size: 2rem; }
}

.xt6-about-strengths-desc {
    font-size: 1rem;
    color: var(--gray-600);
    margin: 0;
}

.xt6-about-strengths-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .xt6-about-strengths-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-about-strengths-grid { gap: 1.5rem; }
}

.xt6-about-strength-card {
    background: white;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
}

.xt6-about-strength-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.12);
    transform: translateY(-3px);
}

.xt6-about-strength-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: transform 0.3s ease;
}

.xt6-about-strength-card:hover .xt6-about-strength-icon {
    transform: scale(1.06);
}

.xt6-about-strength-1 { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.xt6-about-strength-2 { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.xt6-about-strength-3 { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.xt6-about-strength-4 { background: linear-gradient(135deg, #f59e0b, #d97706); }

.xt6-about-strength-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.xt6-about-strength-card:hover h3 {
    color: var(--primary);
}

.xt6-about-strength-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* CTA 区 */
.xt6-about-cta-section {
    padding: 4rem 0 5rem;
}

.xt6-about-cta-block {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(124, 58, 237, 0.06));
    border-radius: 1.5rem;
    border: 1px solid var(--primary-border);
}

.xt6-about-cta-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0 0 1.5rem 0;
}

.xt6-about-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.xt6-about-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -6px rgba(37, 99, 235, 0.35);
}

/* ========== Corporate About Us One-Page (IDC & Cloud) ========== */

/* 1. Hero Banner */
.xt6-ab-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    padding-top: 5rem;
    padding-bottom: 4rem;
}

.xt6-ab-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.75) 0%, rgba(30, 58, 138, 0.6) 100%);
    pointer-events: none;
}

.xt6-ab-hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 48rem;
}

.xt6-ab-hero-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    animation: xt6-ab-fade-up 0.8s ease-out;
}

.xt6-ab-hero-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    animation: xt6-ab-fade-up 0.8s ease-out 0.1s both;
}

@media (min-width: 768px) {
    .xt6-ab-hero-title { font-size: 3rem; }
}

@media (min-width: 1024px) {
    .xt6-ab-hero-title { font-size: 3.5rem; }
}

.xt6-ab-hero-sub {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
    animation: xt6-ab-fade-up 0.8s ease-out 0.2s both;
}

.xt6-ab-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    background: #fff;
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    animation: xt6-ab-fade-up 0.8s ease-out 0.3s both;
}

.xt6-ab-hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.xt6-ab-hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    animation: xt6-ab-fade-up 0.8s ease-out 0.5s both;
}

.xt6-ab-hero-scroll svg {
    animation: xt6-ab-bounce 2s ease-in-out infinite;
}

@keyframes xt6-ab-fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes xt6-ab-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* 2. Company Overview */
.xt6-ab-section {
    padding: 5rem 0;
}

.xt6-ab-section-head {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

.xt6-ab-section-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .xt6-ab-section-title { font-size: 2.25rem; }
}

.xt6-ab-section-desc {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.xt6-ab-overview {
    background: var(--gray-50);
}

.xt6-ab-overview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .xt6-ab-overview-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-ab-overview-grid { grid-template-columns: repeat(4, 1fr); gap: 1.75rem; }
}

.xt6-ab-overview-card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
}

.xt6-ab-overview-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.12);
    transform: translateY(-4px);
}

.xt6-ab-overview-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: transform 0.3s ease;
}

.xt6-ab-overview-card:hover .xt6-ab-overview-icon {
    transform: scale(1.08);
}

.xt6-ab-overview-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.xt6-ab-overview-desc {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* 3. Core Services */
.xt6-ab-services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .xt6-ab-services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-ab-services-grid { grid-template-columns: repeat(4, 1fr); gap: 1.75rem; }
}

.xt6-ab-service-card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid var(--gray-100);
    text-align: center;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
}

.xt6-ab-service-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.12);
    transform: translateY(-4px);
}

.xt6-ab-service-illus {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.25rem;
    border-radius: 1.25rem;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.xt6-ab-service-cloud { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.xt6-ab-service-sdwan { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.xt6-ab-service-cdn { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.xt6-ab-service-sms { background: linear-gradient(135deg, #10b981, #059669); }

.xt6-ab-service-card:hover .xt6-ab-service-illus {
    transform: scale(1.06);
}

.xt6-ab-service-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.xt6-ab-service-desc {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* 4. Global Network Map */
.xt6-ab-network {
    background: linear-gradient(180deg, #fff 0%, rgba(239, 246, 255, 0.4) 100%);
}

.xt6-ab-map-wrap {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.6), rgba(245, 243, 255, 0.5));
    border: 1px solid var(--gray-100);
    padding: 2rem;
}

.xt6-ab-map-bg {
    position: relative;
    min-height: 320px;
    background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.06) 0%, transparent 60%),
                linear-gradient(180deg, transparent 0%, rgba(124, 58, 237, 0.04) 100%);
    border-radius: 1rem;
}

.xt6-ab-map-node {
    position: absolute;
    transform: translate(-50%, -50%);
    min-width: 2.5rem;
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
    background: #fff;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: color 0.25s, border-color 0.25s, box-shadow 0.25s, transform 0.25s ease;
}

.xt6-ab-map-node:hover,
.xt6-ab-map-node.is-active {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2);
    transform: translate(-50%, -50%) scale(1.1);
}

.xt6-ab-map-node-domestic {
    left: 48%;
    top: 42%;
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

.xt6-ab-map-legend {
    list-style: none;
    margin: 2rem 0 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.xt6-ab-map-legend-dot {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--gray-400);
    margin-right: 0.5rem;
    vertical-align: middle;
}

.xt6-ab-map-legend-primary {
    background: var(--primary);
    width: 0.625rem;
    height: 0.625rem;
}

/* 5. Partners & Credentials */
.xt6-ab-partners {
    background: var(--gray-50);
}

.xt6-ab-partners-row {
    margin-bottom: 2.5rem;
}

.xt6-ab-partners-row:last-child {
    margin-bottom: 0;
}

.xt6-ab-partners-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.xt6-ab-partners-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    align-items: center;
}

.xt6-ab-partner-item {
    width: 8rem;
    height: 4rem;
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.25s ease;
}

.xt6-ab-partner-item:hover {
    border-color: var(--primary-border);
    box-shadow: 0 8px 24px -8px rgba(37, 99, 235, 0.15);
    transform: translateY(-2px);
}

.xt6-ab-partner-placeholder {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-400);
}

.xt6-ab-badge .xt6-ab-partner-placeholder {
    color: var(--primary);
}

/* 6. Timeline */
.xt6-ab-timeline-track {
    position: relative;
    max-width: 40rem;
    margin: 0 auto;
}

.xt6-ab-timeline-track::before {
    content: "";
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-200);
    border-radius: 1px;
}

@media (min-width: 768px) {
    .xt6-ab-timeline-track::before { left: 50%; transform: translateX(-50%); }
}

.xt6-ab-timeline-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 2.5rem;
}

.xt6-ab-timeline-item:last-child {
    padding-bottom: 0;
}

@media (min-width: 768px) {
    .xt6-ab-timeline-item {
        padding-left: 0;
        padding-bottom: 3rem;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        align-items: start;
    }
    .xt6-ab-timeline-item:nth-child(odd) .xt6-ab-timeline-content { grid-column: 2; text-align: left; }
    .xt6-ab-timeline-item:nth-child(odd) .xt6-ab-timeline-marker { left: 50%; transform: translate(-50%, -50%); }
    .xt6-ab-timeline-item:nth-child(even) .xt6-ab-timeline-content { grid-column: 1; grid-row: 1; text-align: right; }
    .xt6-ab-timeline-item:nth-child(even) .xt6-ab-timeline-marker { left: 50%; transform: translate(-50%, -50%); }
}

.xt6-ab-timeline-marker {
    position: absolute;
    left: 0.5rem;
    top: 0.25rem;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px var(--gray-200);
    transition: transform 0.25s ease;
}

.xt6-ab-timeline-item:hover .xt6-ab-timeline-marker {
    transform: scale(1.2);
}

@media (min-width: 768px) {
    .xt6-ab-timeline-marker { top: 50%; }
}

.xt6-ab-timeline-year {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.xt6-ab-timeline-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.xt6-ab-timeline-desc {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* 7. Customer Case Studies */
.xt6-ab-cases {
    background: var(--gray-50);
}

.xt6-ab-cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .xt6-ab-cases-grid { grid-template-columns: repeat(3, 1fr); }
}

.xt6-ab-case-card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
}

.xt6-ab-case-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.12);
    transform: translateY(-3px);
}

.xt6-ab-case-logo {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.xt6-ab-case-logo-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
}

.xt6-ab-case-quote {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.xt6-ab-case-meta {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

/* 8. Footer CTA + Contact Form */
.xt6-ab-footer-cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.97) 0%, rgba(30, 58, 138, 0.9) 100%);
    color: #fff;
}

.xt6-ab-footer-cta-inner {
    max-width: 40rem;
    margin: 0 auto;
}

.xt6-ab-footer-cta-text {
    text-align: center;
    margin-bottom: 2.5rem;
}

.xt6-ab-footer-cta-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .xt6-ab-footer-cta-title { font-size: 2rem; }
}

.xt6-ab-footer-cta-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
}

.xt6-ab-footer-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.xt6-ab-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 479px) {
    .xt6-ab-form-row { grid-template-columns: 1fr; }
}

.xt6-ab-form-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    color: var(--gray-900);
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.xt6-ab-form-input::placeholder {
    color: var(--gray-400);
}

.xt6-ab-form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.xt6-ab-form-textarea {
    min-height: 6rem;
    resize: vertical;
}

.xt6-ab-form-submit {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    color: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.xt6-ab-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -6px rgba(37, 99, 235, 0.4);
}

/* ---------- About 页面（重做：品牌 Hero + 故事 + 四支柱 + 数据条 + CTA） ---------- */
.xt6-about-hero {
    position: relative;
    padding-top: 7.5rem;
    padding-bottom: 5rem;
    overflow: hidden;
    background: linear-gradient(160deg, #fff 0%, rgba(239, 246, 255, 0.6) 40%, rgba(250, 245, 255, 0.5) 100%);
}

.xt6-about-hero::before {
    content: "";
    position: absolute;
    top: -10rem;
    right: -8rem;
    width: 32rem;
    height: 32rem;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.15) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.xt6-about-hero::after {
    content: "";
    position: absolute;
    bottom: -8rem;
    left: -6rem;
    width: 24rem;
    height: 24rem;
    background: radial-gradient(circle, rgba(192, 132, 252, 0.12) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.xt6-about-hero .xt6-container {
    position: relative;
    z-index: 1;
}

.xt6-about-hero-inner {
    text-align: center;
    max-width: 36rem;
    margin: 0 auto;
}

.xt6-about-hero-inner .xt6-badge {
    margin-bottom: 1.25rem;
}

.xt6-about-hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .xt6-about-hero-title { font-size: 3rem; }
}

.xt6-about-hero-desc {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* 故事：单栏正文 */
.xt6-about-story {
    padding-top: 4rem;
    padding-bottom: 4rem;
    background: #fff;
}

.xt6-about-story-inner {
    /* max-width: 42rem; */
    margin: 0 auto;
}

.xt6-about-story-lead {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.9;
    margin: 0;
}

.xt6-about-story-prose.xt6-prose,
.xt6-about-story-prose .xt6-prose {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--gray-600);
}

.xt6-about-story-prose p {
    margin-bottom: 1.25rem;
}

.xt6-about-story-prose p:last-child {
    margin-bottom: 0;
}

/* 四大支柱：一行四卡 */
.xt6-about-pillars {
    padding-top: 4rem;
    padding-bottom: 4rem;
    background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
}

.xt6-about-pillars .xt6-section-head {
    margin-bottom: 3rem;
}

.xt6-about-pillar-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .xt6-about-pillar-row { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-about-pillar-row { grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
}

.xt6-about-pillar {
    background: white;
    border-radius: 1.25rem;
    padding: 2rem 1.5rem;
    border: 1px solid var(--gray-100);
    text-align: center;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.xt6-about-pillar:hover {
    border-color: var(--primary-border);
    box-shadow: 0 20px 40px -12px rgba(37, 99, 235, 0.12);
    transform: translateY(-4px);
}

.xt6-about-pillar-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    transition: transform 0.3s;
}

.xt6-about-pillar:hover .xt6-about-pillar-icon {
    transform: scale(1.08);
}

.xt6-about-pillar-icon.xt6-icon-blue { background: #dbeafe; color: #2563eb; }
.xt6-about-pillar-icon.xt6-icon-purple { background: #ede9fe; color: #7c3aed; }
.xt6-about-pillar-icon.xt6-icon-cyan { background: #cffafe; color: #0891b2; }
.xt6-about-pillar-icon.xt6-icon-orange { background: #ffedd5; color: #ea580c; }

.xt6-about-pillar-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.xt6-about-pillar:hover .xt6-about-pillar-title {
    color: var(--primary);
}

.xt6-about-pillar-desc {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0;
}

/* 数据条：简洁一行 */
.xt6-about-numbers {
    padding: 3.5rem 0;
    background: white;
    border-top: 1px solid var(--gray-100);
}

.xt6-about-numbers-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 48rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .xt6-about-numbers-row { grid-template-columns: repeat(4, 1fr); gap: 2.5rem; }
}

.xt6-about-num {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.xt6-about-num-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

@media (min-width: 640px) {
    .xt6-about-num-value { font-size: 2.5rem; }
}

.xt6-about-num-label {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

/* ---------- News ---------- */
.xt6-news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .xt6-news-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-news-grid { grid-template-columns: repeat(3, 1fr); }
}

.xt6-news-card {
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.xt6-news-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.1);
    transform: translateY(-4px);
}

.xt6-news-card-cover {
    display: block;
    aspect-ratio: 387 / 251;
    overflow: hidden;
    background: var(--gray-100);
}

.xt6-news-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

.xt6-news-card:hover .xt6-news-card-cover img {
    transform: scale(1.03);
}

.xt6-news-card-head {
    padding: 1.5rem 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.xt6-news-card-cat {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.xt6-news-card-date {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--gray-400);
}

.xt6-news-card-body {
    padding: 1.5rem;
}

.xt6-news-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.xt6-news-card:hover .xt6-news-card-title {
    color: var(--primary);
}

.xt6-news-card-summary {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.xt6-news-card-more {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.xt6-news-card:hover .xt6-news-card-more {
    opacity: 1;
}

.xt6-news-more-wrap {
    margin-top: 3rem;
    text-align: center;
}

.xt6-news-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.xt6-news-more-btn:hover {
    border-color: var(--primary-border);
    color: var(--primary);
    background: var(--primary-light);
}

/* ---------- Contact ---------- */
.xt6-contact-section {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.xt6-contact-inner {
    max-width: 36rem;
    margin: 0 auto;
}

.xt6-contact-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.xt6-contact-info-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.xt6-contact-info-desc {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.xt6-contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.xt6-contact-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
    text-decoration: none;
    color: inherit;
}

.xt6-contact-card:hover {
    border-color: var(--primary-border);
    box-shadow: 0 12px 28px -8px rgba(37, 99, 235, 0.15);
    transform: translateY(-2px);
}

.xt6-contact-card-static {
    cursor: default;
}

.xt6-contact-card-static:hover {
    transform: none;
}

.xt6-contact-card-icon {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.xt6-contact-icon-phone { background: #dbeafe; color: #2563eb; }
.xt6-contact-icon-email { background: #ede9fe; color: #7c3aed; }
.xt6-contact-icon-address { background: #dcfce7; color: #16a34a; }

.xt6-contact-card:hover .xt6-contact-card-icon {
    transform: scale(1.08);
}

.xt6-contact-card-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.xt6-contact-card-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.xt6-contact-card-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-900);
    transition: color 0.2s;
}

.xt6-contact-card:hover .xt6-contact-card-value {
    color: var(--primary);
}

.xt6-contact-card-arrow {
    flex-shrink: 0;
    color: var(--gray-300);
    transition: color 0.2s, transform 0.2s;
}

.xt6-contact-card:hover .xt6-contact-card-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

.xt6-contact-qr {
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.8), rgba(250, 245, 255, 0.8));
    border-radius: 1.25rem;
    padding: 1.75rem;
    border: 1px solid var(--gray-100);
}

.xt6-contact-qr-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.xt6-contact-qr-inner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.xt6-contact-qr-img {
    width: 96px;
    height: 96px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.xt6-contact-qr-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* ---------- 产品/解决方案内页：导语、特性、流程、场景 ---------- */
.xt6-intro-block {
    /* max-width: 48rem; */
    margin-bottom: 3rem;
}

.xt6-intro-text {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin: 0;
}

.xt6-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.xt6-tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: var(--gray-100);
    color: var(--gray-600);
}

.xt6-feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .xt6-feature-list { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .xt6-feature-list { grid-template-columns: repeat(3, 1fr); }
}

.xt6-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xt6-feature-item:hover {
    border-color: var(--primary-border);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.1);
}

.xt6-feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-lg);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.xt6-feature-body {
    min-width: 0;
}

.xt6-feature-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.xt6-feature-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.xt6-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .xt6-steps { grid-template-columns: repeat(4, 1fr); }
}

.xt6-step {
    text-align: center;
    padding: 1.5rem 1rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xt6-step:hover {
    border-color: var(--primary-border);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.1);
}

.xt6-step-num {
    width: 2.5rem;
    height: 2.5rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--gradient-btn);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.xt6-step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.xt6-step-desc {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.xt6-scenarios {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .xt6-scenarios { grid-template-columns: repeat(2, 1fr); }
}

.xt6-scenario {
    padding: 1.5rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid var(--gray-100);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.xt6-scenario:hover {
    border-color: var(--primary-border);
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.1);
}

.xt6-scenario h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.xt6-scenario p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* ---------- Page inner (about, products, solutions, news list/detail) ---------- */
.xt6-page-hero {
    position: relative;
    padding-top: 7.5rem;
    padding-bottom: 4rem;
    overflow: hidden;
    background: linear-gradient(160deg, #fff 0%, rgba(239, 246, 255, 0.5) 45%, rgba(250, 245, 255, 0.4) 100%);
}

.xt6-page-hero::before {
    content: "";
    position: absolute;
    top: -8rem;
    right: -6rem;
    width: 28rem;
    height: 28rem;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.xt6-page-hero::after {
    content: "";
    position: absolute;
    bottom: -6rem;
    left: -4rem;
    width: 20rem;
    height: 20rem;
    background: radial-gradient(circle, rgba(192, 132, 252, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.xt6-page-hero .xt6-container {
    position: relative;
    z-index: 1;
}

.xt6-page-hero-inner {
    max-width: 42rem;
    margin: 0 auto;
    text-align: center;
}

.xt6-page-hero-inner .xt6-section-badge {
    margin-bottom: 1.25rem;
}

.xt6-page-hero-inner .xt6-page-title {
    margin-bottom: 0.75rem;
}

.xt6-page-hero-inner .xt6-page-desc {
    margin-top: 0;
    margin-bottom: 0;
    line-height: 1.7;
}

/* 紧凑型：仅面包屑等，如新闻详情 */
.xt6-page-hero--compact {
    padding-top: 6rem;
    padding-bottom: 2rem;
}

.xt6-page-hero--compact::before,
.xt6-page-hero--compact::after {
    display: none;
}

.xt6-page-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

@media (min-width: 768px) {
    .xt6-page-title { font-size: 2.5rem; }
}

@media (min-width: 1024px) {
    .xt6-page-title { font-size: 2.75rem; }
}

.xt6-page-desc {
    font-size: 1.0625rem;
    color: var(--gray-600);
    max-width: 36rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .xt6-page-desc { font-size: 1.125rem; }
}

.xt6-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.xt6-breadcrumb a:hover {
    color: var(--primary);
}

.xt6-breadcrumb span {
    color: var(--gray-300);
}

/* News detail prose */
.xt6-prose {
    max-width: 48rem;
    margin: 0 auto;
}

.xt6-prose p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.xt6-prose h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.xt6-prose h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.xt6-prose ul, .xt6-prose ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.xt6-prose img {
    border-radius: var(--radius-lg);
    margin: 1rem 0;
}

.xt6-prose a {
    color: var(--primary);
}

.xt6-prose a:hover {
    text-decoration: underline;
}

/* Empty state */
.xt6-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gray-500);
}

/* News detail layout */
.xt6-news-detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .xt6-news-detail-layout {
        grid-template-columns: 1fr 20rem;
    }
}

/* Pagination */
.xt6-pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.xt6-pagination a,
.xt6-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    background: white;
    color: var(--gray-700);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.xt6-pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.xt6-pagination .current,
.xt6-pagination span.current {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

/* CTA strip */
.xt6-cta-strip {
    background: var(--gradient-btn);
    padding: 4rem 2rem;
    text-align: center;
}

.xt6-cta-strip h2 {
    font-size: 1.875rem;
    color: white;
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .xt6-cta-strip h2 { font-size: 2.25rem; }
}

.xt6-cta-strip p {
    color: rgba(255,255,255,0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.xt6-cta-strip .xt6-btn-white {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    background: white;
    color: var(--primary);
    border: none;
    transition: box-shadow 0.3s;
}

.xt6-cta-strip .xt6-btn-white:hover {
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.2);
}