:root {
    --bg: #080b1f;
    --panel: rgba(255, 255, 255, 0.08);
    --panel-strong: rgba(255, 255, 255, 0.14);
    --text: #f7f8ff;
    --muted: #bac3e6;
    --line: rgba(255, 255, 255, 0.16);
    --brand: #6fffe0;
    --brand-2: #8f7bff;
    --warm: #ffb86b;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
    --radius: 26px;
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background:
        radial-gradient(circle at 12% 8%, rgba(111, 255, 224, 0.16), transparent 32rem),
        radial-gradient(circle at 78% 4%, rgba(143, 123, 255, 0.22), transparent 34rem),
        linear-gradient(180deg, #090d25 0%, #0d1029 42%, #11172f 100%);
    color: var(--text);
    line-height: 1.72;
}

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

img,
video {
    max-width: 100%;
    display: block;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(8, 11, 31, 0.76);
    border-bottom: 1px solid var(--line);
}

.nav-shell,
.search-band,
.section,
.footer-grid,
.footer-bottom {
    width: min(var(--max), calc(100% - 32px));
    margin: 0 auto;
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0 12px;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    letter-spacing: 0.02em;
    font-size: 1.12rem;
}

.brand-logo img {
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(111, 255, 224, 0.16);
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.primary-nav a,
.nav-cta,
.fake-search button,
.btn {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.07);
    color: var(--text);
    padding: 9px 14px;
    border-radius: 999px;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.primary-nav a:hover,
.nav-cta:hover,
.fake-search button:hover,
.btn:hover {
    transform: translateY(-2px);
    border-color: rgba(111, 255, 224, 0.62);
    background: rgba(111, 255, 224, 0.13);
}

.nav-cta,
.btn-primary {
    background: linear-gradient(135deg, rgba(111, 255, 224, 0.95), rgba(143, 123, 255, 0.92));
    color: #071023;
    font-weight: 800;
    border: 0;
}

.search-band {
    padding: 0 0 16px;
}

.fake-search {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.18);
}

.fake-search input {
    width: 100%;
    border: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
    padding: 0 12px;
    font-size: 1rem;
}

.fake-search input::placeholder {
    color: rgba(247, 248, 255, 0.58);
}

.search-tip {
    margin: 8px 10px 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 74px 0 52px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 8% -10% auto;
    height: 360px;
    background: linear-gradient(90deg, rgba(111, 255, 224, 0.14), rgba(143, 123, 255, 0.14), rgba(255, 184, 107, 0.12));
    filter: blur(34px);
    transform: rotate(-6deg);
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
    gap: 34px;
    align-items: center;
}

.eyebrow,
.breadcrumb,
.kicker {
    color: var(--brand);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

h1,
h2,
h3 {
    line-height: 1.18;
    margin: 0;
}

h1 {
    font-size: clamp(2.2rem, 6vw, 5.2rem);
    letter-spacing: -0.06em;
}

h2 {
    font-size: clamp(1.7rem, 4vw, 3rem);
    letter-spacing: -0.035em;
}

h3 {
    font-size: 1.25rem;
}

.lead {
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.28rem);
    max-width: 780px;
}

.cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 28px 0;
}

.hero-panel,
.glass-card,
.video-card,
.case-card,
.review-card,
.faq-item,
.contact-card,
.inner-card,
.notice-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-panel {
    padding: 14px;
    transform: perspective(1000px) rotateY(-3deg);
    animation: floaty 5.8s ease-in-out infinite;
}

.hero-panel img {
    border-radius: 22px;
    min-height: 360px;
    object-fit: cover;
}

.image-description {
    color: var(--muted);
    font-size: 0.92rem;
    margin: 12px 8px 0;
}

.stats,
.metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.stats strong,
.metric-row strong {
    display: grid;
    gap: 2px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}

.stats small,
.metric-row small {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 500;
}

.section {
    padding: 66px 0;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    margin-bottom: 24px;
}

.section-head p {
    max-width: 680px;
    color: var(--muted);
}

.grid-3,
.grid-4,
.video-grid,
.review-grid,
.inner-grid,
.contact-grid {
    display: grid;
    gap: 18px;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.video-grid {
    grid-template-columns: repeat(3, 1fr);
}

.review-grid {
    grid-template-columns: repeat(3, 1fr);
}

.inner-grid {
    grid-template-columns: repeat(5, 1fr);
}

.contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
}

.glass-card,
.case-card,
.review-card,
.faq-item,
.contact-card,
.inner-card,
.notice-card {
    padding: 22px;
    position: relative;
    overflow: hidden;
}

.glass-card::after,
.inner-card::after {
    content: "";
    position: absolute;
    right: -46px;
    top: -46px;
    width: 120px;
    height: 120px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(111, 255, 224, 0.18), transparent 70%);
    pointer-events: none;
}

.card-number {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: rgba(111, 255, 224, 0.13);
    color: var(--brand);
    font-weight: 900;
    margin-bottom: 16px;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}

.tag-row span {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(111, 255, 224, 0.11);
    color: #dffef8;
    border: 1px solid rgba(111, 255, 224, 0.18);
    font-size: 0.84rem;
}

.video-card {
    overflow: hidden;
    transition: transform 0.28s ease, border-color 0.28s ease;
}

.video-card:hover {
    transform: translateY(-8px);
    border-color: rgba(111, 255, 224, 0.52);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    background: #111833;
    overflow: hidden;
}

.video-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: transform 0.42s ease, filter 0.42s ease;
}

.video-card:hover video,
.video-card.is-active video {
    transform: scale(1.06);
    filter: saturate(1.16) brightness(1.05);
}

.play-button {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%) scale(0.82);
    width: 74px;
    height: 74px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    font-size: 1.6rem;
    opacity: 0;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.video-card:hover .play-button,
.video-card.is-active .play-button {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.video-badge {
    position: absolute;
    left: 14px;
    top: 14px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(8, 11, 31, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.24);
    color: var(--text);
    font-size: 0.82rem;
}

.video-body {
    padding: 20px;
}

.video-body p,
.glass-card p,
.case-card p,
.review-card p,
.inner-card p,
.notice-card p,
.contact-card p,
.faq-item p {
    color: var(--muted);
}

.story-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.case-card {
    display: grid;
    gap: 12px;
}

.faq-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 800;
    color: var(--text);
}

.faq-item[open] {
    background: rgba(111, 255, 224, 0.08);
}

.review-card .stars {
    color: var(--warm);
    letter-spacing: 0.08em;
}

.map-box {
    min-height: 310px;
    border-radius: 22px;
    border: 1px dashed rgba(255, 255, 255, 0.24);
    background:
        linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
        rgba(255, 255, 255, 0.05);
    background-size: 28px 28px;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--muted);
}

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

.qr-wrap figure {
    margin: 0;
    padding: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.qr-wrap img {
    border-radius: 12px;
}

.qr-wrap figcaption {
    margin-top: 8px;
    text-align: center;
    color: var(--muted);
}

.page-hero {
    padding: 52px 0 26px;
}

.page-hero .glass-card {
    padding: 34px;
}

.rich-article {
    display: grid;
    gap: 22px;
}

.rich-article img {
    border-radius: 24px;
}

.site-footer {
    margin-top: 54px;
    padding: 50px 0 26px;
    background: rgba(3, 5, 17, 0.58);
    border-top: 1px solid var(--line);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.8fr 0.9fr;
    gap: 26px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
    display: grid;
    gap: 8px;
}

.footer-links a {
    color: var(--muted);
}

.footer-links a:hover {
    color: var(--brand);
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.94rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

@keyframes floaty {
    0%, 100% {
        transform: perspective(1000px) rotateY(-3deg) translateY(0);
    }
    50% {
        transform: perspective(1000px) rotateY(2deg) translateY(-14px);
    }
}

@media (max-width: 980px) {
    .nav-shell {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .grid-4,
    .grid-3,
    .video-grid,
    .review-grid,
    .inner-grid,
    .story-timeline {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-panel {
        transform: none;
    }
}

@media (max-width: 640px) {
    .nav-shell,
    .search-band,
    .section,
    .footer-grid,
    .footer-bottom {
        width: min(100% - 22px, var(--max));
    }

    .primary-nav {
        justify-content: flex-start;
    }

    .fake-search {
        grid-template-columns: 1fr;
        border-radius: 22px;
    }

    .hero {
        padding-top: 46px;
    }

    .grid-4,
    .grid-3,
    .video-grid,
    .review-grid,
    .inner-grid,
    .story-timeline,
    .faq-list,
    .stats,
    .metric-row {
        grid-template-columns: 1fr;
    }

    .hero-panel img {
        min-height: 260px;
    }

    h1 {
        letter-spacing: -0.04em;
    }
}