/**
 * 杭州无限飞网络科技有限公司 — 官网样式 v2
 * 设计：全屏暗色 Hero，视频背景，液态玻璃效果
 */

/* ═══════════════════════════════════════════
   RESET & CSS VARIABLES
   ═══════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --background: 260 87% 3%;
    --foreground: 40 6% 95%;
    --hero-sub: 40 6% 82%;
    --gold: 38 55% 50%;
    --gold-soft: 38 55% 62%;
    --ink-900: 260 50% 5%;
    --ink-850: 260 42% 7%;
    --ink-700: 260 28% 15%;
    --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-headline: 'General Sans', 'Noto Sans SC', sans-serif;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: hsl(var(--background));
    color: hsl(var(--foreground));
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ═══════════════════════════════════════════
   LIQUID GLASS UTILITY
   ═══════════════════════════════════════════ */
.liquid-glass {
    background: rgba(255, 255, 255, 0.01);
    background-blend-mode: luminosity;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.liquid-glass::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.4px;
    background: linear-gradient(180deg,
        rgba(255,255,255,0.45) 0%,
        rgba(255,255,255,0.15) 20%,
        rgba(255,255,255,0) 40%,
        rgba(255,255,255,0) 60%,
        rgba(255,255,255,0.15) 80%,
        rgba(255,255,255,0.45) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* ═══════════════════════════════════════════
   HERO WRAPPER
   ═══════════════════════════════════════════ */
.hero-wrapper {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ═══════════════════════════════════════════
   BACKGROUND VIDEO
   ═══════════════════════════════════════════ */
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    z-index: 0;
}

/* ═══════════════════════════════════════════
   HERO INNER
   ═══════════════════════════════════════════ */
.hero-inner {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow: visible;
}

/* ═══════════════════════════════════════════
   BLURRED OVERLAY SHAPE
   ═══════════════════════════════════════════ */
.hero-blur-shape {
    position: absolute;
    width: 984px;
    height: 527px;
    opacity: 0.9;
    background: hsl(260 50% 5%);
    filter: blur(82px);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

/* ═══════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════ */
.hero-nav {
    width: 100%;
    padding: 1.25rem 2rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 20;
}

.nav-logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo-img {
    height: 32px;
    width: auto;
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-signup {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--foreground) / 0.08);
    border: 1px solid hsl(var(--foreground) / 0.15);
    color: hsl(var(--foreground));
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    font-size: 0.88rem;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.nav-signup:hover {
    background: hsl(var(--foreground) / 0.15);
    border-color: hsl(var(--foreground) / 0.3);
}

/* ── Mobile nav toggle — 桌面隐藏 ── */
.nav-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0;
    background: hsl(var(--foreground) / 0.06);
    border: 1px solid hsl(var(--foreground) / 0.15);
    border-radius: 12px;
    cursor: pointer;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: hsl(var(--foreground) / 0.85);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        hsl(var(--foreground) / 0.2),
        transparent);
    margin-top: 3px;
}

/* ── Nav Dropdown ── */
.nav-dropdown-wrap {
    position: relative;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: hsl(var(--foreground) / 0.9);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
}

.nav-item:hover {
    color: hsl(var(--foreground));
    background: hsl(var(--foreground) / 0.04);
}

.nav-item.is-active {
    color: hsl(var(--foreground));
    background: hsl(var(--foreground) / 0.08);
}

.nav-item.is-active .nav-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-chevron {
    opacity: 0.6;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-item:hover .nav-chevron {
    opacity: 1;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 280px;
    background: hsl(260 40% 7% / 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid hsl(var(--foreground) / 0.1);
    border-radius: 16px;
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    box-shadow:
        0 8px 32px rgba(0,0,0,0.4),
        0 2px 8px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255,255,255,0.05);
    z-index: 100;
}

.nav-dropdown-menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    transition: background 0.15s ease, transform 0.15s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.nav-dropdown-item:hover {
    background: hsl(var(--foreground) / 0.08);
}

.nav-dropdown-item:active {
    transform: scale(0.98);
}

.nav-dropdown-item-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--foreground) / 0.05);
    border-radius: 10px;
}

.nav-dropdown-item div {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.nav-dropdown-item strong {
    font-size: 0.88rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    line-height: 1.3;
}

.nav-dropdown-item small {
    font-size: 0.72rem;
    color: hsl(var(--foreground) / 0.45);
    line-height: 1.3;
}

/* ═══════════════════════════════════════════
   HERO CONTENT
   ═══════════════════════════════════════════ */
.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 5;
    padding: 2rem;
}

.hero-title {
    font-family: var(--font-headline);
    font-size: clamp(3rem, 15vw, 220px);
    font-weight: 400;
    line-height: 1.02;
    letter-spacing: -0.024em;
    color: hsl(var(--foreground));
}

.hero-title-plain {
    color: hsl(var(--foreground));
}

.hero-title-gradient {
    background: linear-gradient(to left, #6366f1, #a855f7, #fcd34d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: hsl(var(--hero-sub));
    font-size: 1.125rem;
    line-height: 2rem;
    max-width: 28rem;
    margin-top: 9px;
    opacity: 0.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--foreground) / 0.08);
    border: 1px solid hsl(var(--foreground) / 0.15);
    color: hsl(var(--foreground));
    border-radius: 9999px;
    padding: 1.5rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 25px;
}

.hero-cta:hover {
    background: hsl(var(--foreground) / 0.15);
    border-color: hsl(var(--foreground) / 0.3);
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════════
   LOGO MARQUEE
   ═══════════════════════════════════════════ */
.marquee-container {
    width: 100%;
    max-width: 64rem;
    margin: 0 auto;
    padding: 0 2rem 2.5rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    position: relative;
    z-index: 5;
}

.marquee-label {
    color: hsl(var(--foreground) / 0.5);
    font-size: 0.875rem;
    line-height: 1.5;
    flex-shrink: 0;
    white-space: pre-line;
}

.marquee-track-wrap {
    flex: 1;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 4rem;
    animation: marqueeScroll 20s linear infinite;
    width: max-content;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.marquee-icon {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.marquee-name {
    font-size: 1rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    white-space: nowrap;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.site-footer {
    background: hsl(var(--background));
    border-top: 1px solid hsl(var(--foreground) / 0.06);
    padding: 1.5rem 2rem;
}

.footer-inner {
    max-width: 64rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    font-size: 0.78rem;
    color: hsl(var(--foreground) / 0.35);
}

.footer-beian {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.footer-sep {
    color: hsl(var(--foreground) / 0.2);
}

.footer-link {
    color: hsl(var(--foreground) / 0.35);
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.footer-link:hover {
    color: hsl(var(--foreground) / 0.6);
}

.footer-gongan-icon {
    vertical-align: middle;
    opacity: 0.5;
}

/* ═══════════════════════════════════════════
   SECTION BASE — 通用 section 骨架
   ═══════════════════════════════════════════ */
.section {
    position: relative;
    padding: 7rem 2rem;
    background: hsl(var(--background));
}

/* 极淡的网格纹理,增加科技感 */
.section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(hsl(var(--foreground) / 0.025) 1px, transparent 1px),
        linear-gradient(90deg, hsl(var(--foreground) / 0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 72rem;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-head {
    margin-bottom: 4rem;
    max-width: 42rem;
}

.section-kicker {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 500;
    color: hsl(var(--gold));
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    padding: 0.35rem 0.85rem;
    border: 1px solid hsl(var(--gold) / 0.25);
    border-radius: 9999px;
    background: hsl(var(--gold) / 0.04);
}

.section-title {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: hsl(var(--foreground));
    margin-bottom: 1rem;
}

.section-intro {
    font-size: 1.05rem;
    line-height: 1.85;
    color: hsl(var(--foreground) / 0.6);
    max-width: 38rem;
    margin-top: 0.5rem;
}

/* ═══════════════════════════════════════════
   SERVICES — 横向动态轮播
   ═══════════════════════════════════════════ */
.section-services {
    position: relative;
}

.section-services::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(42rem 26rem at 85% 0%, hsl(var(--gold) / 0.05), transparent 70%),
        linear-gradient(hsl(var(--foreground) / 0.018) 1px, transparent 1px) 0 0 / 100% 5rem,
        linear-gradient(90deg, hsl(var(--foreground) / 0.018) 1px, transparent 1px) 0 0 / 5rem 100%;
    pointer-events: none;
}

.section-services .container {
    position: relative;
}

.services-carousel {
    position: relative;
    margin-top: 3rem;
}

.services-viewport {
    overflow: hidden;
    padding: 0.375rem;
    margin: -0.375rem;
    cursor: grab;
}

.services-viewport.is-dragging {
    cursor: grabbing;
}

.services-track {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.services-track.is-dragging {
    transition: none;
}

.svc-card {
    flex: 0 0 calc((100% - 3rem) / 3);
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, hsl(var(--foreground) / 0.04), hsl(var(--foreground) / 0.015));
    border: 1px solid hsl(var(--foreground) / 0.09);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.svc-card:hover {
    border-color: hsl(var(--gold) / 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 44px -20px hsl(var(--gold) / 0.22);
}

.svc-card-media {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: hsl(var(--ink-900));
    border-bottom: 1px solid hsl(var(--foreground) / 0.08);
}

.svc-card-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transform: scale(1.03);
    transition: transform 0.7s ease, opacity 0.7s ease;
}

.svc-card:hover .svc-card-media img {
    opacity: 1;
    transform: scale(1.08);
}

.svc-card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 52%, hsl(var(--background) / 0.55));
    pointer-events: none;
}

.svc-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.5rem 1.5rem 1.75rem;
}

.services-num {
    font-family: var(--font-headline);
    font-size: 0.85rem;
    font-weight: 500;
    color: hsl(var(--gold));
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
}

.services-title {
    font-family: var(--font-headline);
    font-size: 1.28rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
    line-height: 1.35;
}

.services-desc {
    font-size: 0.92rem;
    line-height: 1.85;
    color: hsl(var(--foreground) / 0.62);
    flex: 1;
}

.services-link {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.88rem;
    color: hsl(var(--gold-soft));
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.services-link:hover {
    color: hsl(var(--gold));
    border-bottom-color: hsl(var(--gold) / 0.5);
}

.services-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 2.25rem;
}

.svc-arrow {
    width: 2.6rem;
    height: 2.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid hsl(var(--foreground) / 0.16);
    border-radius: 50%;
    color: hsl(var(--foreground) / 0.7);
    cursor: pointer;
    transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}

.svc-arrow:hover:not(:disabled) {
    border-color: hsl(var(--gold) / 0.7);
    color: hsl(var(--gold));
    background: hsl(var(--gold) / 0.06);
}

.svc-arrow:disabled {
    opacity: 0.3;
    cursor: default;
}

.svc-dots {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.svc-dot {
    width: 1.4rem;
    height: 2px;
    padding: 0;
    border: 0;
    background: hsl(var(--foreground) / 0.16);
    cursor: pointer;
    transition: background 0.3s ease, width 0.3s ease;
}

.svc-dot:hover {
    background: hsl(var(--foreground) / 0.4);
}

.svc-dot.is-active {
    width: 2.2rem;
    background: hsl(var(--gold));
}

@media (max-width: 1024px) {
    .svc-card {
        flex-basis: calc((100% - 1.5rem) / 2);
    }
}

@media (max-width: 640px) {
    .svc-card {
        flex-basis: 100%;
    }

    .services-track {
        gap: 1rem;
    }

    .svc-card-body {
        padding: 1.25rem 1.25rem 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .services-track {
        transition: none;
    }

    .svc-card,
    .svc-card-media img {
        transition: none;
    }
}
/* ═══════════════════════════════════════════
   CASES — 工作方式卡片网格
   ═══════════════════════════════════════════ */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.cases-card {
    background: hsl(var(--ink-850) / 0.7);
    border: 1px solid hsl(var(--foreground) / 0.06);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}

.cases-card:hover {
    transform: translateY(-4px);
    border-color: hsl(var(--foreground) / 0.14);
    background: hsl(var(--ink-850));
}

.cases-img-wrap {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: hsl(var(--ink-900));
    position: relative;
}

.cases-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.cases-card:hover .cases-img-wrap img {
    transform: scale(1.06);
}

/* 图片上的金色序号徽章 */
.cases-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.7rem;
    background: hsl(var(--gold) / 0.9);
    color: hsl(260 87% 3%);
    font-family: var(--font-headline);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    border-radius: 9999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2;
}

.cases-card-body {
    padding: 1.5rem 1.5rem 1.75rem;
}

.cases-title {
    font-family: var(--font-headline);
    font-size: 1.18rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: 0.55rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.cases-desc {
    font-size: 0.92rem;
    line-height: 1.75;
    color: hsl(var(--foreground) / 0.58);
}

/* ═══════════════════════════════════════════
   TEAM — 团队肖像网格
   ═══════════════════════════════════════════ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.team-card {
    background: hsl(var(--ink-850) / 0.7);
    border: 1px solid hsl(var(--foreground) / 0.06);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.35s ease, border-color 0.35s ease;
}

.team-card:hover {
    transform: translateY(-4px);
    border-color: hsl(var(--foreground) / 0.14);
}

.team-portrait {
    aspect-ratio: 1;
    overflow: hidden;
    background: hsl(var(--ink-900));
}

.team-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-card:hover .team-portrait img {
    transform: scale(1.04);
}

.team-body {
    padding: 1.5rem 1.5rem 1.75rem;
}

.team-name {
    font-family: var(--font-headline);
    font-size: 1.45rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    margin-bottom: 0.3rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.team-role {
    font-size: 0.88rem;
    color: hsl(var(--gold));
    margin-bottom: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.team-bio {
    font-size: 0.93rem;
    line-height: 1.8;
    color: hsl(var(--foreground) / 0.6);
}

/* ═══════════════════════════════════════════
   TRUST — 引言 + 差异化矩阵
   ═══════════════════════════════════════════ */
.trust-quote {
    text-align: center;
    margin-bottom: 5rem;
    padding: 1rem 0;
}

.trust-quote blockquote {
    margin: 0;
}

.trust-quote blockquote p {
    font-family: var(--font-headline);
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: hsl(var(--foreground));
    margin-bottom: 1.5rem;
}

.trust-quote blockquote p em {
    font-style: normal;
    background: linear-gradient(to right, hsl(var(--gold)), hsl(var(--gold-soft)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-quote cite {
    font-size: 0.95rem;
    color: hsl(var(--foreground) / 0.45);
    font-style: normal;
    letter-spacing: 0.04em;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.trust-item {
    padding: 2rem 2rem;
    border: 1px solid hsl(var(--foreground) / 0.07);
    border-radius: 20px;
    background: hsl(var(--ink-850) / 0.4);
    transition: background 0.35s ease, border-color 0.35s ease, transform 0.35s ease;
}

.trust-item:hover {
    background: hsl(var(--ink-850) / 0.7);
    border-color: hsl(var(--foreground) / 0.12);
    transform: translateY(-2px);
}

.trust-item-title {
    font-family: var(--font-headline);
    font-size: 1.2rem;
    font-weight: 600;
    color: hsl(var(--gold));
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.trust-item-desc {
    font-size: 0.95rem;
    line-height: 1.85;
    color: hsl(var(--foreground) / 0.62);
}

/* ═══════════════════════════════════════════
   CONTACT — 收尾 CTA
   ═══════════════════════════════════════════ */
.section-contact {
    padding: 5rem 2rem 6rem;
}

.contact-card {
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, hsl(var(--gold) / 0.1), transparent 70%),
        hsl(var(--ink-850) / 0.75);
    border: 1px solid hsl(var(--foreground) / 0.1);
    border-radius: 28px;
    padding: 4rem 3rem;
    text-align: center;
    max-width: 48rem;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.contact-title {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 500;
    color: hsl(var(--foreground));
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    line-height: 1.18;
}

.contact-subtitle {
    font-size: 1.05rem;
    line-height: 1.85;
    color: hsl(var(--foreground) / 0.6);
    max-width: 30rem;
    margin: 0 auto 2.75rem;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 3.5rem;
    margin-bottom: 2.75rem;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
    transition: transform 0.25s ease;
}

.contact-method:hover {
    transform: translateY(-2px);
}

.contact-method-label {
    font-size: 0.75rem;
    color: hsl(var(--gold));
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
}

.contact-method-value {
    font-size: 1.02rem;
    color: hsl(var(--foreground));
    font-weight: 500;
    letter-spacing: 0.01em;
}

.contact-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--gold));
    color: hsl(260 87% 3%);
    border-radius: 9999px;
    padding: 1.05rem 2.25rem;
    font-size: 0.98rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    letter-spacing: 0.02em;
}

.contact-cta:hover {
    background: hsl(var(--gold-soft));
    transform: translateY(-2px);
    box-shadow: 0 12px 32px hsl(var(--gold) / 0.28);
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
/* 默认保持可见；只有 JS 成功接管后（html.js-anim）才做入场动画，
   避免 JS 加载失败时首屏以下内容整页空白 */
.js-anim .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.js-anim .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 阶梯式延迟,用于一组元素 */
.js-anim .reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.js-anim .reveal-stagger > .reveal:nth-child(2) { transition-delay: 80ms; }
.js-anim .reveal-stagger > .reveal:nth-child(3) { transition-delay: 160ms; }
.js-anim .reveal-stagger > .reveal:nth-child(4) { transition-delay: 240ms; }
.js-anim .reveal-stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.js-anim .reveal-stagger > .reveal:nth-child(6) { transition-delay: 400ms; }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
/* ── 平板：769–1024px ── */
@media (max-width: 1024px) and (min-width: 769px) {
    .hero-nav {
        padding: 1.25rem 1.5rem;
    }

    .nav-center {
        gap: 0.75rem;
    }

    .nav-item {
        padding: 0.5rem 0.6rem;
    }

    .marquee-container {
        gap: 2rem;
        padding: 0 1.5rem 2.5rem;
    }

    .section {
        padding: 6rem 1.5rem;
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        gap: 1.25rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-center {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        max-height: calc(100vh - 74px);
        overflow-y: auto;
        padding: 0.25rem 1.25rem 1rem;
        background: hsl(260 40% 7% / 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid hsl(var(--foreground) / 0.1);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        z-index: 60;
    }

    .nav-center.is-open {
        display: flex;
    }

    .nav-dropdown-wrap {
        border-bottom: 1px solid hsl(var(--foreground) / 0.06);
    }

    .nav-item {
        width: 100%;
        justify-content: space-between;
        padding: 0.95rem 0.25rem;
        font-size: 0.95rem;
        border-radius: 0;
    }

    .nav-dropdown-menu {
        position: static;
        display: none;
        width: 100%;
        min-width: 0;
        padding: 0 0 8px;
        background: transparent;
        border: none;
        border-radius: 0;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        transform: none;
        opacity: 1;
    }

    .nav-dropdown-menu.is-open {
        display: block;
        visibility: visible;
        opacity: 1;
        transform: none;
    }

    .nav-dropdown-item {
        padding: 8px 4px;
    }

    .hero-nav {
        padding: 1rem 1.25rem;
    }

    .hero-title {
        font-size: clamp(2.5rem, 12vw, 6rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }

    .marquee-container {
        flex-direction: column;
        gap: 1.5rem;
        padding: 0 1.25rem 2rem;
    }

    .marquee-label {
        text-align: center;
        white-space: normal;
    }

    .marquee-track {
        gap: 2.5rem;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    /* ── 新 section 响应式 ── */
    .section {
        padding: 5rem 1.25rem;
    }

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

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .trust-quote {
        margin-bottom: 3.5rem;
    }

    .contact-card {
        padding: 3rem 1.5rem;
    }

    .contact-methods {
        gap: 2rem;
    }

    .section-contact {
        padding: 3.5rem 1.25rem 4.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(2rem, 11vw, 4rem);
    }

    .hero-blur-shape {
        width: 100%;
        height: 60%;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-methods {
        flex-direction: column;
        gap: 1.5rem;
    }
}