/* ================= 业务范围子页 ================= */
.nav-link.active {
    color: var(--text);
    background: rgba(120, 150, 255, 0.12);
}
button.nav-link {
    font: inherit;
    border: none;
    background: transparent;
    cursor: pointer;
}
button.nav-cta {
    background: var(--grad);
    color: #fff !important;
    font-weight: 700;
}

.svc-page {
    padding-top: 0;
}

/* Hero */
.svc-hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}
.svc-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 15% 20%, rgba(47, 107, 255, 0.28), transparent 60%),
        radial-gradient(ellipse 50% 45% at 85% 30%, rgba(34, 211, 238, 0.18), transparent 55%),
        radial-gradient(ellipse 40% 40% at 60% 90%, rgba(34, 197, 94, 0.1), transparent 50%);
    pointer-events: none;
}
.svc-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
}
.svc-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-muted);
}
.svc-breadcrumb a {
    color: var(--cyan);
    font-weight: 600;
}
.svc-breadcrumb a:hover { text-decoration: underline; }

.svc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(13, 20, 48, 0.65);
    backdrop-filter: blur(12px);
    color: var(--cyan);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
}
.svc-hero h1 {
    font-size: clamp(30px, 4.2vw, 46px);
    line-height: 1.25;
    font-weight: 900;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
}
.svc-hero-sub {
    color: var(--text-muted);
    font-size: 17px;
    max-width: 540px;
    margin-bottom: 28px;
}
.svc-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* Video / media placeholder */
.video-placeholder {
    position: relative;
    min-height: 320px;
    border-radius: 22px;
    border: 1px solid rgba(120, 150, 255, 0.22);
    background:
        linear-gradient(145deg, rgba(17, 26, 61, 0.85), rgba(6, 10, 25, 0.7)),
        repeating-linear-gradient(
            -45deg,
            rgba(47, 107, 255, 0.05) 0 12px,
            transparent 12px 24px
        );
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(16px);
    overflow: hidden;
    display: grid;
    place-items: center;
}
.video-placeholder::before {
    content: "";
    position: absolute;
    width: 180%;
    height: 180%;
    background:
        radial-gradient(circle at 30% 40%, rgba(47, 107, 255, 0.25), transparent 35%),
        radial-gradient(circle at 70% 60%, rgba(34, 211, 238, 0.2), transparent 40%);
    animation: svcPulse 8s ease-in-out infinite;
}
@keyframes svcPulse {
    0%, 100% { transform: translate(-8%, -4%) scale(1); opacity: 0.85; }
    50% { transform: translate(4%, 6%) scale(1.05); opacity: 1; }
}
.video-placeholder-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 28px;
}
.video-placeholder .play-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: none;
    background: var(--grad);
    color: #fff;
    font-size: 26px;
    display: grid;
    place-items: center;
    margin: 0 auto 16px;
    box-shadow: 0 12px 40px rgba(47, 107, 255, 0.45);
    cursor: default;
}
.video-placeholder p {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 260px;
    margin: 0 auto;
}
.video-placeholder .hint {
    margin-top: 10px;
    font-size: 12px;
    color: rgba(154, 167, 208, 0.75);
}

/* Replace later:
   <div class="video-placeholder">
     <video src="assets/your-video.mp4" controls playsinline></video>
   </div>
   or <img src="assets/your-promo.jpg" alt="...">
*/
.video-placeholder video,
.video-placeholder img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
    border-radius: 22px;
    display: block;
    background: #030510;
}
.video-placeholder--media {
    padding: 0;
    background: #030510;
}
.video-placeholder--media::before { display: none; }
.video-placeholder--media video {
    min-height: 360px;
    max-height: 420px;
    object-fit: contain;
}

/* Section shared */
.svc-section { padding: 80px 0; position: relative; }
.svc-section .section-tag {
    display: inline-block;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.svc-section .section-title {
    font-size: clamp(26px, 3.2vw, 36px);
    font-weight: 900;
    margin-bottom: 12px;
}
.svc-section .section-sub {
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 40px;
}
.svc-section .section-head { text-align: center; margin-bottom: 8px; }

/* Service cards */
.svc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
.svc-card {
    position: relative;
    padding: 28px 26px;
    border-radius: 20px;
    border: 1px solid rgba(120, 150, 255, 0.16);
    background: linear-gradient(160deg, rgba(17, 26, 61, 0.72), rgba(13, 20, 48, 0.55));
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
    overflow: hidden;
}
.svc-card::after {
    content: "";
    position: absolute;
    inset: auto -20% -40% auto;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.18), transparent 65%);
    pointer-events: none;
}
.svc-card:hover {
    transform: translateY(-6px);
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow: 0 18px 50px rgba(47, 107, 255, 0.22);
}
.svc-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    background: var(--grad);
    color: #fff;
    font-size: 20px;
    box-shadow: 0 8px 22px rgba(47, 107, 255, 0.35);
}
.svc-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 10px;
}
.svc-card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Trust badges */
.trust-panel {
    border-radius: 24px;
    border: 1px solid rgba(120, 150, 255, 0.18);
    background: linear-gradient(135deg, rgba(13, 20, 48, 0.8), rgba(6, 10, 25, 0.65));
    backdrop-filter: blur(16px);
    padding: 36px 28px;
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.28);
}
.trust-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.trust-badge {
    text-align: center;
    padding: 22px 16px;
    border-radius: 16px;
    border: 1px solid rgba(120, 150, 255, 0.12);
    background: rgba(17, 26, 61, 0.45);
    transition: transform 0.25s ease, border-color 0.25s ease;
}
.trust-badge:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 197, 94, 0.35);
}
.trust-badge i {
    font-size: 28px;
    margin-bottom: 12px;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.trust-badge strong {
    display: block;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 6px;
}
.trust-badge span {
    color: var(--text-muted);
    font-size: 13px;
}
.trust-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 20px;
    margin-top: 28px;
}
.trust-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
}
.trust-list i {
    color: var(--green);
    font-size: 14px;
}

/* Workflow */
.flow-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    position: relative;
}
.flow-step {
    position: relative;
    padding: 26px 20px;
    border-radius: 18px;
    border: 1px solid rgba(120, 150, 255, 0.16);
    background: rgba(13, 20, 48, 0.65);
    backdrop-filter: blur(12px);
    text-align: center;
}
.flow-step .step-num {
    width: 42px;
    height: 42px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: Orbitron, sans-serif;
    font-weight: 800;
    font-size: 14px;
    background: var(--grad);
    color: #fff;
    box-shadow: 0 8px 24px rgba(47, 107, 255, 0.35);
}
.flow-step h3 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 8px;
}
.flow-step p {
    color: var(--text-muted);
    font-size: 13px;
}

/* CTA */
.svc-cta {
    padding: 90px 0 100px;
    position: relative;
    overflow: hidden;
}
.svc-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 70% at 50% 50%, rgba(47, 107, 255, 0.22), transparent 65%),
        radial-gradient(ellipse 40% 50% at 80% 20%, rgba(34, 197, 94, 0.12), transparent 55%);
    pointer-events: none;
}
.svc-cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 32px;
    border-radius: 24px;
    border: 1px solid rgba(120, 150, 255, 0.2);
    background: linear-gradient(160deg, rgba(17, 26, 61, 0.8), rgba(6, 10, 25, 0.7));
    backdrop-filter: blur(18px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.svc-cta-inner h2 {
    font-size: clamp(26px, 3.4vw, 36px);
    font-weight: 900;
    margin-bottom: 14px;
}
.svc-cta-inner p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 16px;
}
.svc-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* Contact modal */
.contact-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.contact-modal.open { display: flex; }
.contact-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(3, 5, 16, 0.72);
    backdrop-filter: blur(8px);
}
.contact-modal-panel {
    position: relative;
    z-index: 1;
    width: min(480px, 100%);
    border-radius: 20px;
    border: 1px solid rgba(120, 150, 255, 0.22);
    background: linear-gradient(160deg, #111a3d, #0d1430);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
    padding: 28px 24px 24px;
}
.contact-modal-panel h3 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 8px;
}
.contact-modal-panel > p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 18px;
}
.contact-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 10px;
    background: rgba(120, 150, 255, 0.1);
    color: var(--text);
    cursor: pointer;
}
.contact-links {
    display: grid;
    gap: 10px;
}
.contact-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(120, 150, 255, 0.14);
    background: rgba(6, 10, 25, 0.45);
    color: var(--text);
    font-weight: 600;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.contact-links a:hover {
    border-color: rgba(34, 211, 238, 0.45);
    background: rgba(47, 107, 255, 0.12);
    transform: translateY(-2px);
}
.contact-links i {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--grad);
    color: #fff;
}

body.modal-open { overflow: hidden; }

@media (max-width: 992px) {
    .svc-hero-grid { grid-template-columns: 1fr; gap: 32px; }
    .svc-hero-copy { text-align: center; }
    .svc-hero-sub { margin-left: auto; margin-right: auto; }
    .svc-hero-actions { justify-content: center; }
    .flow-track { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .svc-hero { padding: 120px 0 60px; }
    .svc-section { padding: 60px 0; }
    .svc-grid { grid-template-columns: 1fr; }
    .trust-badges { grid-template-columns: 1fr; }
    .trust-list { grid-template-columns: 1fr; }
    .flow-track { grid-template-columns: 1fr; }
    .svc-cta-inner { padding: 36px 20px; }
    .svc-cta-actions .btn { width: 100%; justify-content: center; }
    .video-placeholder { min-height: 260px; }
}