/* ==========================================================================
   Telvian Brand Website Stylesheet
   ========================================================================== */

/* 1. Design Tokens & Variables — Deep Emerald Dark Theme */
:root {
    /* Brand Colors */
    --color-primary: #33c982;        /* Emerald Green (brightened for dark) */
    --color-primary-soft: #65c98b;   /* Soft Green */
    --color-secondary: #0d5e37;      /* Deep Green */
    --color-darkest: #073d23;        /* Forest Green (used for dark surfaces) */
    --color-gold: #d8b76a;           /* Champagne Gold */
    --color-gold-light: #f5d78b;     /* Light Gold */

    /* Dark Theme Backgrounds & Surfaces */
    --color-bg: #07110e;             /* Base near-black green */
    --color-bg2: #0e2a24;            /* Deep panel green */
    --color-bg-light: #0b1a15;       /* "warm" sections -> dark panel */
    --color-bg-dark: #050c0a;        /* Darkest sections */
    --color-surface: rgba(255, 255, 255, 0.055);   /* Glass card */
    --color-surface-2: rgba(255, 255, 255, 0.09);  /* Elevated glass */
    --color-white: #ffffff;          /* Pure white (kept for on-color text) */
    --color-ink: #f7f3ea;            /* Cream ink (primary text) */
    --color-black: #000000;

    /* Text & Borders (light-on-dark) */
    --color-text-dark: #f7f3ea;                     /* Primary text -> ink */
    --color-text-light: #f7f3ea;
    --color-text-gray: rgba(247, 243, 234, 0.70);   /* Muted */
    --color-text-light-gray: rgba(247, 243, 234, 0.50);
    --color-border-light: rgba(247, 243, 234, 0.14);
    --color-border-dark: rgba(247, 243, 234, 0.22);
    --color-red: #e64a40;
    --color-blue: #7ed7ff;

    /* Fonts */
    --font-primary: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Layout */
    --container-max-width: 1200px;
    --nav-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 20px 60px rgba(0, 0, 0, 0.32);
    --shadow-lg: 0 30px 100px rgba(0, 0, 0, 0.42);
    --shadow-gold: 0 14px 40px rgba(216, 183, 106, 0.22);
    --shadow-glow: 0 0 40px rgba(48, 213, 133, 0.3);
}

/* On desktop, let content adapt to ~80% of the browser width (capped for ultra-wide) */
@media (min-width: 1024px) {
    :root {
        --container-max-width: min(80vw, 1760px);
    }
}

/* 2. Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    background-image:
        radial-gradient(circle at 30% -10%, rgba(101, 201, 139, 0.18), transparent 36%),
        linear-gradient(180deg, #07110e 0%, #0a1713 38%, #07110e 100%);
    background-attachment: fixed;
    color: var(--color-ink);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Cursor-follow ambient light layer */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(circle at var(--mx, 50%) var(--my, 35%), rgba(101, 201, 139, 0.12), transparent 26rem),
        linear-gradient(120deg, rgba(216, 183, 106, 0.06), transparent 30%, rgba(48, 213, 133, 0.06));
    mix-blend-mode: screen;
    transition: opacity 0.3s ease;
}

/* Ensure real content sits above the ambient/decoration layers */
.navbar, main, footer, .site-decor { position: relative; z-index: 2; }

/* Scroll progress bar */
.scroll-progress {
    position: fixed;
    left: 0;
    top: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    z-index: 2000;
    box-shadow: 0 0 16px rgba(101, 201, 139, 0.8);
    transition: width 0.1s linear;
}

/* Film grain overlay */
.grain-overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.12;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* Floating ambient orbs */
.ambient-orbs {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.7;
}
.ambient-orbs .orb {
    position: absolute;
    width: 42vw;
    height: 42vw;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.12;
    animation: floatOrb 18s ease-in-out infinite alternate;
    background: var(--color-primary);
}
.ambient-orbs .orb:nth-child(1) { left: -16vw; top: 8vh; }
.ambient-orbs .orb:nth-child(2) { right: -16vw; top: 42vh; background: var(--color-gold); animation-delay: -6s; }
.ambient-orbs .orb:nth-child(3) { left: 32vw; bottom: -24vw; background: #2ac5ff; animation-delay: -12s; }
@keyframes floatOrb { to { transform: translate3d(6vw, -5vh, 0) scale(1.18); } }

@media (prefers-reduced-motion: reduce) {
    .ambient-orbs .orb { animation: none; }
}

/* Language Switching Visibility Control */
body.lang-cn .lang-en { display: none !important; }
body.lang-en .lang-cn { display: none !important; }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, select, input, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

ul {
    list-style: none;
}

/* 3. Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-ink);
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #d9ffe9 34%, var(--color-primary-soft) 64%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.text-gradient-gold {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gold { color: var(--color-gold) !important; }
.text-emerald { color: var(--color-primary) !important; }
.text-red { color: var(--color-red) !important; }
.text-blue { color: var(--color-blue) !important; }
.text-white { color: var(--color-white) !important; }
.text-light-gray { color: var(--color-text-light-gray) !important; }

.bg-warm { background-color: var(--color-bg-light) !important; }
.bg-dark { background-color: var(--color-bg-dark) !important; }

.section-padding {
    padding: 120px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 80px 0;
    }
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    max-width: 960px;
    margin: 0 auto 64px;
}

.section-header.text-center {
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-gray);
    line-height: 1.7;
    text-wrap: balance;
}

/* Give long CN subtitles enough room to stay on a single line on desktop */
@media (min-width: 992px) {
    .section-header {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    .section-subtitle {
        font-size: 1rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-normal);
    gap: 8px;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    border: 2px solid var(--color-border-light);
    color: var(--color-text-dark);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-danger {
    background-color: var(--color-red);
    color: var(--color-white);
}

.btn-danger:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

/* 4. Navbar — Floating glass pill */
.navbar {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: min(calc(100% - 32px), var(--container-max-width));
    height: 64px;
    background-color: rgba(7, 17, 14, 0.42);
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-full);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.28);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(7, 17, 14, 0.66);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.18);
}

.nav-container {
    max-width: var(--container-max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 14px 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-ink);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px; /* Reduced from 32px for better fit */
    flex-wrap: nowrap;
}

.nav-menu a {
    font-weight: 500;
    font-size: 0.9rem; /* Slightly reduced from 0.95rem */
    color: var(--color-text-dark);
    opacity: 0.85;
    white-space: nowrap;
}

/* English mode optimizations to prevent navbar wrapping */
body.lang-en .nav-menu {
    gap: 14px;
}

body.lang-en .nav-menu a {
    font-size: 0.82rem;
}

body.lang-en .nav-actions {
    gap: 10px;
}

body.lang-en .nav-cta {
    padding: 8px 16px;
    font-size: 0.82rem;
}

.nav-menu a:hover {
    color: var(--color-primary);
    opacity: 1;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1.5px solid var(--color-primary);
    border-radius: var(--border-radius-full);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition-fast);
    cursor: pointer;
    background: transparent;
}

.lang-toggle-btn i {
    width: 14px;
    height: 14px;
}

.lang-toggle-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.mobile-toggle {
    display: none;
    color: var(--color-ink);
    font-size: 1.5rem;
}

@media (max-width: 1150px) {
    .nav-menu {
        display: none; /* Handled by JS mobile menu */
    }
    .mobile-toggle {
        display: block;
    }
    .nav-cta {
        display: none; /* Hide on small screens to save space */
    }
}

/* Mobile Menu Overlay */
.mobile-menu-active {
    overflow: hidden;
}

@media (max-width: 1150px) {
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: calc(var(--nav-height) + 8px);
        left: 16px;
        width: calc(100% - 32px);
        height: auto;
        max-height: calc(100vh - var(--nav-height) - 32px);
        background-color: rgba(7, 17, 14, 0.92);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border: 1px solid var(--color-border-light);
        border-radius: var(--border-radius-lg);
        padding: 24px;
        gap: 12px;
        z-index: 999;
        overflow-y: auto;
        box-shadow: var(--shadow-lg);
        animation: slideInDown 0.4s ease forwards;
    }
    
    .nav-menu.active a {
        font-size: 1.2rem;
        width: 100%;
        text-align: center;
        padding: 10px 0;
        border-bottom: 1px solid var(--color-border-light);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-10%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 5. Hero Section */
.hero {
    position: relative;
    background: #07110e;
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 100px;
    min-height: 100svh;
    display: flex;
    align-items: center;
    color: var(--color-ink);
    overflow: hidden;
    isolation: isolate;
}

/* Full-bleed hero background photo */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -3;
    background: url('../assets/hero-park.webp') center/cover no-repeat;
    transform: scale(1.04);
    filter: saturate(1.08) contrast(1.02);
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(90deg, rgba(7, 17, 14, 0.9) 0%, rgba(7, 17, 14, 0.55) 46%, rgba(7, 17, 14, 0.2) 80%),
        linear-gradient(0deg, #07110e 0%, rgba(7, 17, 14, 0.2) 38%, rgba(7, 17, 14, 0.35) 100%);
}

.hero-bg-glow {
    position: absolute;
    top: 10%;
    right: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 138, 82, 0.4) 0%, rgba(0,0,0,0) 70%);
    filter: blur(60px);
    pointer-events: none;
    z-index: 1;
}

.hero-container {
    width: 100%;
    /* 与导航栏容器同宽同内边距：左侧文案左缘对齐导航左侧，右侧视频右缘对齐导航右侧 */
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 14px 0 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(32px, 3.5vw, 64px);
    align-items: stretch;
    position: relative;
    z-index: 2;
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    /* 文字块上下撑满，使首行上沿、按钮下沿与右侧视频上下边缘对齐 */
    justify-content: space-between;
}

@media (max-width: 992px) {
    .hero-content {
        align-items: center;
    }
}

.hero-badge {
    background-color: rgba(212, 173, 87, 0.15);
    border: 1px solid rgba(212, 173, 87, 0.3);
    color: var(--color-gold-light);
    padding: 6px 16px;
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 3.2vw, 3.6rem);
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: clamp(14px, 1.6vw, 24px);
    letter-spacing: -0.02em;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light-gray);
    line-height: 1.7;
    margin-bottom: clamp(24px, 2.6vw, 40px);
    max-width: 600px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(14px, 1.6vw, 24px);
    margin-bottom: clamp(28px, 3vw, 48px);
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
}

@media (max-width: 992px) {
    .hero-features {
        justify-content: center;
    }
}

.hero-btns {
    display: flex;
    gap: 16px;
}

@media (max-width: 480px) {
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    .hero-btns .btn {
        width: 100%;
    }
}

.hero-btns .btn-outline {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.hero-btns .btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* Watch Showcase Visual */
.hero-visual {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
}

@media (max-width: 992px) {
    .hero-visual {
        justify-content: center;
    }
}

.watch-showcase {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 480px) {
    .watch-showcase {
        width: 280px;
        height: 280px;
    }
}

.pulse-ring {
    position: absolute;
    border: 1.5px solid rgba(26, 138, 82, 0.3);
    border-radius: var(--border-radius-full);
    animation: pulseGlow 4s infinite linear;
    pointer-events: none;
}

.ring-1 { width: 100%; height: 100%; animation-delay: 0s; }
.ring-2 { width: 80%; height: 80%; animation-delay: 1.3s; }
.ring-3 { width: 60%; height: 60%; animation-delay: 2.6s; }

@keyframes pulseGlow {
    0% {
        transform: scale(0.6);
        opacity: 0;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        transform: scale(1.1);
        opacity: 0;
    }
}

/* Watch Mockup */
.watch-mockup {
    position: relative;
    width: 220px;
    height: 220px;
    background-color: #111a15;
    border: 8px solid #2c3e35;
    border-radius: 50px; /* Rounded square */
    box-shadow: var(--shadow-glow), 0 20px 50px rgba(0,0,0,0.5);
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 480px) {
    .watch-mockup {
        width: 170px;
        height: 170px;
        border-radius: 35px;
    }
}

.watch-screen {
    width: 100%;
    height: 100%;
    border-radius: 40px;
    overflow: hidden;
    background-color: #000000;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 480px) {
    .watch-screen {
        border-radius: 27px;
        padding: 10px;
    }
}

.watch-ui {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.watch-logo img {
    height: 24px;
    width: auto;
}

.watch-status {
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
    letter-spacing: 0.05em;
    animation: blink 2s infinite ease-in-out;
}

@keyframes blink {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.watch-vitals {
    display: flex;
    gap: 16px;
    font-size: 0.9rem;
    font-weight: 700;
}

.vital-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.vital-item i {
    width: 16px;
    height: 16px;
}

.heart-beat {
    color: var(--color-red);
    animation: beat 1s infinite alternate;
}

@keyframes beat {
    to { transform: scale(1.2); }
}

.watch-sos-btn {
    background-color: var(--color-red);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 6px 16px;
    border-radius: var(--border-radius-full);
    box-shadow: 0 0 15px rgba(224, 82, 82, 0.5);
    letter-spacing: 0.05em;
}

/* Straps */
.watch-strap {
    position: absolute;
    width: 90px;
    height: 80px;
    background-color: #1e2a22;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.strap-top {
    top: -65px;
    border-radius: 15px 15px 0 0;
}

.strap-bottom {
    bottom: -65px;
    border-radius: 0 0 15px 15px;
}

.watch-crown {
    position: absolute;
    width: 8px;
    height: 30px;
    background-color: #2c3e35;
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 0 4px 4px 0;
    z-index: 4;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background-color: rgba(10, 20, 15, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(26, 138, 82, 0.2);
    border-radius: var(--border-radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    z-index: 10;
    animation: floatUpDown 6s infinite ease-in-out;
}

.card-top-left {
    top: 10%;
    left: -20px;
    animation-delay: 0s;
}

.card-bottom-right {
    bottom: 10%;
    right: -20px;
    animation-delay: 3s;
}

@media (max-width: 480px) {
    .floating-card {
        padding: 8px 12px;
        gap: 8px;
    }
    .card-top-left {
        top: -10px;
        left: -10px;
    }
    .card-bottom-right {
        bottom: -10px;
        right: -10px;
    }
}

.card-label {
    font-size: 0.75rem;
    color: var(--color-text-light-gray);
}

.card-val {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-white);
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-text-light-gray);
    z-index: 5;
    animation: floatUpDown 2s infinite ease-in-out;
}

.scroll-indicator i {
    width: 18px;
    height: 18px;
}

/* 6. Core Capabilities Section */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.cap-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-md);
    padding: 40px 32px;
    position: relative;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.cap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.cap-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: rgba(26, 138, 82, 0.15);
}

.cap-card:hover::before {
    transform: scaleX(1);
}

.cap-num {
    font-size: 4rem;
    font-weight: 900;
    color: rgba(26, 138, 82, 0.05);
    position: absolute;
    top: 10px;
    right: 24px;
    line-height: 1;
    transition: var(--transition-normal);
}

.cap-card:hover .cap-num {
    color: rgba(26, 138, 82, 0.08);
    transform: scale(1.05);
}

.cap-icon-box {
    width: 56px;
    height: 56px;
    background-color: rgba(26, 138, 82, 0.08);
    color: var(--color-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition-normal);
}

.cap-card:hover .cap-icon-box {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.cap-title {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.cap-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

/* 7. Smart Product Section */
.product-tabs-container {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 48px;
}

@media (max-width: 768px) {
    .product-tabs-container {
        padding: 24px;
    }
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    color: var(--color-text-gray);
    transition: var(--transition-normal);
}

.tab-btn i {
    width: 20px;
    height: 20px;
}

.tab-btn:hover {
    color: var(--color-primary);
    background-color: rgba(26, 138, 82, 0.05);
}

.tab-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.product-tab-content {
    position: relative;
}

/* Keep all three tab panes at a consistent height on desktop */
@media (min-width: 993px) {
    .product-tab-content {
        min-height: 540px;
    }
    .tab-pane.active {
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-height: 540px;
    }
}

.tab-pane {
    display: none;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.tab-pane.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.tab-pane-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

@media (max-width: 992px) {
    .tab-pane-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

.tab-pane-title {
    font-size: 2rem;
    margin-bottom: 16px;
}

.tab-pane-lead {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 32px;
}

.tab-features-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tab-features-list li {
    display: flex;
    gap: 16px;
}

.tab-features-list li i {
    color: var(--color-primary);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.tab-features-list li strong {
    font-size: 1.05rem;
    color: var(--color-ink);
    display: block;
    margin-bottom: 4px;
}

.tab-features-list li p {
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

/* Tab Visuals */
.tab-pane-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1 / 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.glowing-circle {
    position: absolute;
    width: 86%;
    height: 86%;
    background: radial-gradient(circle, rgba(48, 213, 133, 0.22) 0%, rgba(0,0,0,0) 68%);
    border-radius: var(--border-radius-full);
    animation: pulseGlow 3s infinite alternate;
}

.floating-logo {
    height: 120px;
    width: auto;
    z-index: 2;
    filter: drop-shadow(0 10px 20px rgba(7, 61, 35, 0.15));
    animation: floatUpDown 5s infinite ease-in-out;
}

/* Enlarged product render that blends into the dark section background */
.floating-logo.product-render {
    height: auto;
    width: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 24px 60px rgba(0, 0, 0, 0.5));
    animation: none;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Gradual zoom on hover for the watch render */
.visual-wrapper:hover .floating-logo.product-render {
    transform: scale(1.1);
}

.feature-tag {
    position: absolute;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-full);
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    z-index: 3;
}

.tag-1 { top: 10%; left: -10px; }
.tag-2 { bottom: 15%; left: -20px; }
.tag-3 { bottom: 15%; right: -20px; }

/* App Mockup Visual */
.app-mockup-wrapper {
    perspective: 1000px;
}

.app-mockup {
    width: 260px;
    height: 520px;
    background-color: #111a15;
    border: 10px solid #2c3e35;
    border-radius: 40px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: rotateY(-10deg) rotateX(5deg);
    transition: var(--transition-normal);
}

.app-mockup:hover {
    transform: rotateY(0) rotateX(0);
}

.app-screen {
    width: 100%;
    height: 100%;
    background-color: var(--color-surface);
    display: flex;
    flex-direction: column;
}

.app-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
}

.app-header i {
    width: 16px;
    height: 16px;
}

.app-body {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background-color: #f8faf7;
}

.app-map-preview {
    height: 120px;
    background-color: #e3ece6;
    border-radius: var(--border-radius-md);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-full);
    z-index: 2;
}

.map-pulse {
    position: absolute;
    width: 36px;
    height: 36px;
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-full);
    animation: pulseGlow 2s infinite linear;
    z-index: 1;
}

.map-label {
    position: absolute;
    bottom: 8px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.65rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.app-vitals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.app-vital-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-md);
    padding: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

.card-head {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--color-text-gray);
    margin-bottom: 6px;
}

.card-head i {
    width: 14px;
    height: 14px;
}

.card-body {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-ink);
}

.card-body small {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-gray);
}

.card-foot {
    font-size: 0.65rem;
    font-weight: 600;
    margin-top: 4px;
}

.app-ai-advice {
    background-color: rgba(26, 138, 82, 0.05);
    border: 1px dashed rgba(26, 138, 82, 0.2);
    border-radius: var(--border-radius-md);
    padding: 12px;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.6rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--border-radius-full);
    margin-bottom: 6px;
}

.ai-badge i {
    width: 10px;
    height: 10px;
}

.app-ai-advice p {
    font-size: 0.7rem;
    color: var(--color-text-dark);
    line-height: 1.4;
}

/* Guard Center Visual */
.center-visual-wrapper {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
}

/* 7×24 Guard Center real-scene image card with hover zoom */
.service-visual-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-lg);
}

.service-render {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.service-visual-card:hover .service-render {
    transform: scale(1.08);
}

.radar-screen {
    width: 300px;
    height: 300px;
    background-color: #050e0a;
    border: 4px solid var(--color-secondary);
    border-radius: var(--border-radius-full);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

@media (max-width: 480px) {
    .radar-screen {
        width: 260px;
        height: 260px;
    }
}

.radar-line {
    position: absolute;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, rgba(26, 138, 82, 0.8), rgba(0,0,0,0));
    top: 50%;
    left: 50%;
    transform-origin: left center;
    animation: radarScan 4s infinite linear;
}

@keyframes radarScan {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.radar-ping {
    position: absolute;
    width: 10px;
    height: 12px;
    background-color: var(--color-red);
    border-radius: var(--border-radius-full);
    box-shadow: 0 0 10px var(--color-red);
}

.ping-1 { top: 30%; left: 40%; animation: pingGlow 2s infinite ease-in-out; }
.ping-2 { top: 60%; left: 70%; animation: pingGlow 2s infinite ease-in-out 1s; }

@keyframes pingGlow {
    0%, 100% { transform: scale(0.8); opacity: 0.4; }
    50% { transform: scale(1.3); opacity: 1; }
}

.center-status-card {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    background-color: rgba(10, 20, 15, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(224, 82, 82, 0.3);
    border-radius: var(--border-radius-md);
    padding: 12px;
    box-shadow: var(--shadow-md);
    z-index: 5;
}

.status-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    margin-bottom: 6px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--border-radius-full);
}

.pulse-dot.red {
    background-color: var(--color-red);
    animation: pingGlow 1.5s infinite;
}

.status-detail {
    font-size: 0.7rem;
    color: var(--color-text-light-gray);
    line-height: 1.4;
    margin-bottom: 10px;
}

.status-actions {
    display: flex;
    gap: 8px;
}

.status-actions .btn {
    padding: 6px 10px;
    font-size: 0.65rem;
    flex: 1;
}

/* 8. Health AI & Data Flywheel */
.flywheel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

@media (max-width: 992px) {
    .flywheel-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

.flywheel-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flywheel-container {
    position: relative;
    width: 450px;
    height: 450px;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 480px) {
    .flywheel-container {
        width: 300px;
        height: 300px;
    }
}

.flywheel-core {
    width: auto;
    height: auto;
    background-color: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

@media (max-width: 480px) {
    .flywheel-core {
        width: auto;
        height: auto;
        gap: 6px;
    }
    .core-ai {
        font-size: 28px;
    }
}

.flywheel-core img {
    height: 56px;
    width: auto;
    filter: drop-shadow(0 6px 20px rgba(48, 213, 133, 0.45));
}

@media (max-width: 480px) {
    .flywheel-core img {
        height: 28px;
    }
}

.core-ai {
    font-size: 56px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--color-primary);
    filter: drop-shadow(0 6px 20px rgba(48, 213, 133, 0.45));
}

.flywheel-orbit {
    position: absolute;
    width: 75%;
    height: 75%;
    border: 2px dashed rgba(26, 138, 82, 0.2);
    border-radius: var(--border-radius-full);
    animation: rotateOrbit 40s infinite linear;
    z-index: 5;
}

@keyframes rotateOrbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit-node {
    position: absolute;
    width: 40px;
    height: 40px;
    background-color: var(--color-surface);
    border: 2px solid var(--color-border-light);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.orbit-node:hover, .orbit-node.active {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.node-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-full);
    transition: var(--transition-normal);
}

.orbit-node:hover .node-dot, .orbit-node.active .node-dot {
    background-color: var(--color-surface);
    transform: scale(1.2);
}

.node-label {
    position: absolute;
    white-space: nowrap;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-gray);
    transition: var(--transition-normal);
}

.orbit-node:hover .node-label, .orbit-node.active .node-label {
    color: var(--color-primary);
    transform: scale(1.05);
}

/* Node Positions on Orbit (6 nodes) */
/* Angle = i * 60deg */
.node-1 { top: -20px; left: 50%; transform: translateX(-50%); }
.node-1 .node-label { bottom: 48px; }

.node-2 { top: 25%; right: -20px; transform: translateY(-50%); }
.node-2 .node-label { left: 48px; }

.node-3 { bottom: 25%; right: -20px; transform: translateY(50%); }
.node-3 .node-label { left: 48px; }

.node-4 { bottom: -20px; left: 50%; transform: translateX(-50%); }
.node-4 .node-label { top: 48px; }

.node-5 { bottom: 25%; left: -20px; transform: translateY(50%); }
.node-5 .node-label { right: 48px; }

.node-6 { top: 25%; left: -20px; transform: translateY(-50%); }
.node-6 .node-label { right: 48px; }

/* Node Info Card */
.node-info-card {
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-md);
    padding: 32px;
    margin-bottom: 40px;
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    min-height: 180px;
}

.node-info-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.node-info-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    background-color: rgba(26, 138, 82, 0.1);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.node-info-title {
    font-size: 1.3rem;
}

.node-info-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

/* Bar Chart */
.flywheel-bar-chart {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.chart-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.chart-item {
    margin-bottom: 20px;
}

.chart-item:last-child {
    margin-bottom: 0;
}

.chart-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.chart-track {
    height: 24px;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.chart-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 12px;
    border-radius: var(--border-radius-full);
    transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
    width: 0; /* Animated via JS */
}

/* 9. 7x24 Live Guard Center (Response Steps & Comparison) */
.response-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 80px;
    gap: 16px;
}

@media (max-width: 992px) {
    .response-steps {
        flex-direction: column;
        gap: 32px;
    }
}

.step-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 32px 24px;
    flex: 1;
    text-align: center;
    transition: var(--transition-normal);
}

.step-card:hover {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: var(--color-gold);
    transform: translateY(-5px);
}

.step-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(212, 173, 87, 0.1);
    color: var(--color-gold);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-normal);
}

.step-card:hover .step-icon {
    background-color: var(--color-gold);
    color: var(--color-darkest);
    box-shadow: var(--shadow-gold);
}

.step-title {
    font-size: 1.15rem;
    color: var(--color-white);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.85rem;
    color: var(--color-text-light-gray);
    line-height: 1.6;
}

.step-arrow {
    color: var(--color-gold);
    opacity: 0.5;
}

@media (max-width: 992px) {
    .step-arrow {
        transform: rotate(90deg);
    }
}

/* Comparison Table */
.comparison-container {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: 48px;
}

@media (max-width: 768px) {
    .comparison-container {
        padding: 24px;
    }
}

.comp-title {
    font-size: 1.8rem;
    color: var(--color-white);
    margin-bottom: 40px;
}

.table-responsive {
    overflow-x: auto;
}

.comp-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 700px;
}

.comp-table th, .comp-table td {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
}

.comp-table th {
    font-weight: 700;
    color: var(--color-text-light-gray);
}

.comp-table td {
    color: var(--color-text-light-gray);
}

.comp-table th.highlight, .comp-table td.highlight {
    background-color: rgba(26, 138, 82, 0.1);
    color: var(--color-gold-light);
    border-left: 1px solid rgba(26, 138, 82, 0.2);
    border-right: 1px solid rgba(26, 138, 82, 0.2);
}

.comp-table tr:last-child td {
    border-bottom: none;
}

.comp-table tr:last-child td.highlight {
    border-bottom: 1px solid rgba(26, 138, 82, 0.2);
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.comp-table th.highlight {
    border-top: 1px solid rgba(26, 138, 82, 0.2);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

/* 10. Age-Friendly Design Section */
.age-friendly-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

/* PC 宽屏下始终每行显示 3 个适老化卡片 */
@media (min-width: 992px) {
    .age-friendly-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.age-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-md);
    padding: 32px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.age-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(26, 138, 82, 0.15);
}

.age-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(26, 138, 82, 0.08);
    color: var(--color-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition-normal);
}

.age-card:hover .age-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.age-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.age-desc {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

/* 11. Mission, Vision & Values Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.value-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 48px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--color-border-light);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 138, 82, 0.15);
}

.value-img-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-darkest) 100%);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
    box-shadow: var(--shadow-sm);
}

.value-img-box i {
    width: 36px;
    height: 36px;
}

.value-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.value-subtitle {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 24px;
}

.value-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

/* 12. Pricing Section */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    align-items: stretch;
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .pricing-container {
        grid-template-columns: 1fr;
        max-width: 520px;
    }
}

.pricing-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: 44px 40px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(48, 213, 133, 0.4);
}

.pricing-body {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pricing-cta-box {
    margin-top: auto;
    padding-top: 24px;
}

@media (max-width: 480px) {
    .pricing-card {
        padding: 24px;
    }
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-gold);
    pointer-events: none;
    opacity: 0.5;
}

.pricing-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    background-color: var(--color-gold);
    color: var(--color-darkest);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--border-radius-full);
    letter-spacing: 0.05em;
}

.pricing-plan-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.price-box {
    display: flex;
    align-items: baseline;
    margin-bottom: 12px;
}

.currency {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--color-text-gray);
    margin-left: 8px;
}

.price-sub-info {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    margin-bottom: 32px;
}

.benefits-title {
    font-size: 1rem;
    margin-bottom: 20px;
    border-top: 1px solid var(--color-border-light);
    padding-top: 32px;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
}

.benefits-list li i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* 13. Contact & Reservation Section */
.reserve-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .reserve-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

/* FAQ Accordion */
.faq-accordion {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-trigger {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-ink);
    background: transparent;
    transition: var(--transition-normal);
}

.faq-trigger i {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    transition: var(--transition-normal);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
    background-color: rgba(0, 0, 0, 0.18);
}

.faq-content p {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--color-text-gray);
    line-height: 1.6;
}

/* FAQ Active State */
.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.faq-item.active .faq-trigger {
    color: var(--color-primary);
}

.faq-item.active .faq-trigger i {
    transform: rotate(180deg);
}

/* Form Styles */
.reserve-form-container {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

@media (max-width: 480px) {
    .reserve-form-container {
        padding: 24px;
    }
}

.form-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.form-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 13px 18px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-sm);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--color-ink);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: rgba(247, 243, 234, 0.4);
}

.form-group select option {
    color: #10231b;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--color-primary);
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(48, 213, 133, 0.14);
}

/* Success State */
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 0;
}

.success-icon {
    width: 72px;
    height: 72px;
    background-color: rgba(26, 138, 82, 0.1);
    color: var(--color-primary);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.success-icon i {
    width: 40px;
    height: 40px;
}

.success-title {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.success-desc {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.6;
    margin-bottom: 32px;
}

/* 14. Footer */
.footer {
    background-color: var(--color-bg-dark);
    padding-top: 80px;
    padding-bottom: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 0.8fr 1.2fr;
    gap: 48px;
    margin-bottom: 64px;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
}

.footer-logo img {
    height: 36px;
    width: auto;
}

.footer-slogan {
    font-size: 1rem;
    color: var(--color-gold-light);
    font-weight: 600;
}

.footer-values {
    font-size: 0.85rem;
    color: var(--color-text-light-gray);
}

.footer-title {
    font-size: 1rem;
    color: var(--color-white);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-light-gray);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--color-text-light-gray);
}

.contact-item i {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item [data-sc="contact.address"] {
    white-space: nowrap;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.copyright {
    font-size: 0.85rem;
    color: var(--color-text-light-gray);
}

.disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.6;
    text-align: justify;
}

/* 15. Scroll Animations (Reveal on Scroll) */
/* Only hide elements if JavaScript is active and loaded successfully */
.js-enabled .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.js-enabled .reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Fallback if JS is not enabled or failed before adding class */
body:not(.js-enabled) .reveal {
    opacity: 1;
    transform: none;
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* 16. Hero Video Player Banner */
.hero-video-container {
    position: relative;
    width: 100%;
    /* 填满右侧列并随屏幕自适应变大，右缘对齐导航栏右侧 */
    max-width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000000;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-glow), 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid rgba(26, 138, 82, 0.25);
    overflow: hidden; /* Clip video and overlay to match rounded borders */
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-video-container {
        width: 100%;
        max-width: 540px;
        aspect-ratio: 16 / 9;
        height: auto;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-video-container {
        max-width: 100%;
        aspect-ratio: 16 / 9;
        height: auto;
    }
}

.video-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.video-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Play/Replay Overlay */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Keep the last video frame fully visible; button sits at the bottom, not over content */
    background: linear-gradient(to top, rgba(7, 17, 14, 0.55) 0%, rgba(7, 17, 14, 0) 34%);
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding-bottom: 52px;
    z-index: 10;
    /* Let hover pass through to the video so native controls can appear */
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.btn-replay {
    pointer-events: auto;
    background-color: rgba(51, 201, 130, 0.9);
    color: var(--color-white);
    border: 2px solid var(--color-gold);
    padding: 13px 26px;
    border-radius: var(--border-radius-full);
    font-weight: 700;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: var(--shadow-gold), 0 10px 20px rgba(0,0,0,0.3);
    transition: var(--transition-normal);
    animation: replayPulse 2.4s ease-in-out infinite;
}

/* Subtle attention pulse on the replay button */
@keyframes replayPulse {
    0%, 100% { transform: scale(1); box-shadow: var(--shadow-gold), 0 10px 20px rgba(0,0,0,0.3); }
    50% { transform: scale(1.045); box-shadow: 0 0 0 6px rgba(216, 183, 106, 0.18), 0 14px 26px rgba(0,0,0,0.35); }
}

.btn-replay:hover {
    background-color: var(--color-gold);
    color: var(--color-darkest);
    transform: scale(1.06);
    animation-play-state: paused;
}

.btn-replay i {
    width: 20px;
    height: 20px;
}

@media (prefers-reduced-motion: reduce) {
    .btn-replay { animation: none; }
}

/* Unmute Tip Overlay */
.video-unmute-tip {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: rgba(26, 138, 82, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 173, 87, 0.3);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: var(--border-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    z-index: 15;
    box-shadow: var(--shadow-sm);
    animation: pulseTip 2s infinite alternate;
    transition: var(--transition-normal);
}

.video-unmute-tip.hidden {
    opacity: 0;
    pointer-events: none;
}

.video-unmute-tip:hover {
    background-color: var(--color-primary);
    transform: scale(1.05);
}

.video-unmute-tip i {
    width: 16px;
    height: 16px;
}

@keyframes pulseTip {
    from { transform: scale(1); box-shadow: 0 0 10px rgba(26, 138, 82, 0.4); }
    to { transform: scale(1.03); box-shadow: 0 0 20px rgba(212, 173, 87, 0.6); }
}

/* ===== 修复补充：品牌视觉海报（替代缺失的品牌视频） ===== */
.hero-poster {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    background:
        radial-gradient(120% 120% at 50% 0%, rgba(15, 118, 110, 0.18), transparent 60%),
        linear-gradient(160deg, #062b28 0%, #0f3d38 55%, #08302c 100%);
    border-radius: 20px;
    overflow: hidden;
}
.hero-poster-inner {
    text-align: center;
    padding: 40px 24px;
}
.hero-poster-logo {
    width: 110px;
    height: 110px;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.35));
    animation: floatLogo 4s ease-in-out infinite;
}
@keyframes floatLogo {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.hero-poster-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(244, 199, 82, 0.35);
    color: #f5e9c9;
    font-size: 14px;
}
.hero-poster-badge .pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f4c752;
    box-shadow: 0 0 0 0 rgba(244, 199, 82, 0.7);
    animation: posterPulse 1.8s infinite;
}
@keyframes posterPulse {
    0% { box-shadow: 0 0 0 0 rgba(244, 199, 82, 0.6); }
    70% { box-shadow: 0 0 0 10px rgba(244, 199, 82, 0); }
    100% { box-shadow: 0 0 0 0 rgba(244, 199, 82, 0); }
}
.hero-poster-tagline {
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 2px;
    font-size: 15px;
}

/* ===== 修复补充：预约表单同意勾选与错误提示 ===== */
.form-consent { margin-top: 4px; }
.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    line-height: 1.6;
    color: #5b6b66;
    cursor: pointer;
}
.consent-label input[type="checkbox"] {
    margin-top: 3px;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    accent-color: #0f766e;
}
.consent-label a { color: #0f766e; text-decoration: underline; }
.form-error {
    margin-top: 10px;
    color: #c0392b;
    font-size: 13px;
    background: rgba(192, 57, 43, 0.08);
    border: 1px solid rgba(192, 57, 43, 0.25);
    border-radius: 8px;
    padding: 8px 12px;
}
.form-error.hidden { display: none; }

/* ===== 修复补充：KPI 免责小字 ===== */
.chart-note {
    margin-top: 14px;
    font-size: 12px;
    color: rgba(0, 0, 0, 0.45);
    line-height: 1.6;
}

/* ===== 修复补充：页脚合规链接与 ICP ===== */
.footer-legal-links {
    display: inline-flex;
    gap: 14px;
    margin-left: 14px;
}
.footer-legal-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}
.footer-legal-links a:hover { color: #f4c752; }
.footer-icp {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* 备案信息：ICP + 公安联网备案，均可点击在新标签打开官方查询页 */
.footer-beian {
    display: block;
    margin-top: 8px;
    font-size: 12px;
}
.footer-beian .footer-icp,
.footer-beian .footer-police {
    display: inline;
    margin-top: 0;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s ease;
}
.footer-beian-link {
    text-decoration: none;
    color: inherit;
}
.footer-beian-link:hover .footer-icp,
.footer-beian-link:hover .footer-police {
    color: #f4c752;
}
.footer-beian-link + .footer-beian-link {
    margin-left: 16px;
}
@media (max-width: 640px) {
    .footer-beian-link { display: block; }
    .footer-beian-link + .footer-beian-link { margin-left: 0; margin-top: 4px; }
}

/* ===== 合规页（隐私 / 条款 / 免责） ===== */
.legal-page {
    background: #f6f8f7;
    color: #24312e;
    font-family: 'Noto Sans SC', 'Plus Jakarta Sans', sans-serif;
}
.legal-container {
    max-width: 820px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}
.legal-back {
    display: inline-block;
    margin-bottom: 24px;
    color: #0f766e;
    text-decoration: none;
    font-size: 14px;
}
.legal-logo { width: 56px; height: 56px; display: block; margin-bottom: 12px; }
.legal-page h1 { font-size: 28px; margin: 0 0 6px; color: #0f3d38; }
.legal-updated { color: #8a9a95; font-size: 13px; margin: 0 0 24px; }
.legal-note {
    background: #fff7e6;
    border: 1px solid #f0d79a;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: #7a5b12;
    margin-bottom: 28px;
}
.legal-page h2 { font-size: 18px; margin: 28px 0 8px; color: #0f766e; }
.legal-page p { line-height: 1.8; color: #3d4d48; margin: 0 0 12px; }

/* ===== 合规内容弹窗（隐私 / 条款） ===== */
.legal-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(7, 61, 35, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.legal-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.legal-modal {
    position: relative;
    width: 100%;
    max-width: 760px;
    max-height: 86vh;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: translateY(24px) scale(0.98);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.legal-modal-overlay.active .legal-modal {
    transform: translateY(0) scale(1);
}
.legal-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 2;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--border-radius-full);
    background: rgba(15, 61, 56, 0.06);
    color: #0f3d38;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}
.legal-modal-close:hover {
    background: rgba(15, 61, 56, 0.14);
    transform: rotate(90deg);
}
.legal-modal-close i { width: 20px; height: 20px; }
.legal-modal-body {
    overflow-y: auto;
    padding: 48px 40px 40px;
    -webkit-overflow-scrolling: touch;
}
.legal-modal-body .legal-back { display: none; }
.legal-modal-body .legal-logo { width: 52px; height: 52px; margin-bottom: 12px; }
.legal-modal-body h1 { font-size: 26px; margin: 0 0 6px; color: #0f3d38; }
.legal-modal-body .legal-updated { color: #8a9a95; font-size: 13px; margin: 0 0 20px; }
.legal-modal-body .legal-note {
    background: #fff7e6;
    border: 1px solid #f0d79a;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 13px;
    color: #7a5b12;
    margin-bottom: 24px;
}
.legal-modal-body h2 { font-size: 17px; margin: 24px 0 8px; color: #0f766e; }
.legal-modal-body p { line-height: 1.8; color: #3d4d48; margin: 0 0 12px; }
.legal-modal-loading {
    padding: 24px 0;
    text-align: center;
    color: #8a9a95;
    font-size: 14px;
}

body.legal-modal-open {
    overflow: hidden;
}

@media (max-width: 600px) {
    .legal-modal-body { padding: 44px 22px 28px; }
    .legal-modal-body h1 { font-size: 22px; }
}

/* ==========================================================================
   Cookie Consent Banner
   ========================================================================== */
/* 回到顶部悬浮按钮 */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 28px;
    z-index: 1400;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-ink);
    background: linear-gradient(160deg, rgba(20, 40, 33, 0.75), rgba(7, 17, 14, 0.65));
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border: 1px solid rgba(157, 244, 207, 0.28);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.9);
    transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.35s;
}

.back-to-top:hover {
    border-color: rgba(48, 213, 133, 0.6);
    box-shadow: 0 16px 40px rgba(48, 213, 133, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transform: translateY(-2px) scale(1.05);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top i,
.back-to-top svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

@media (max-width: 640px) {
    .back-to-top {
        right: 16px;
        bottom: 18px;
        width: 42px;
        height: 42px;
    }
}

.cookie-banner {
    position: fixed;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%) translateY(24px);
    width: min(calc(100% - 32px), calc(var(--container-max-width) - 48px));
    background: linear-gradient(160deg, rgba(20, 40, 33, 0.55), rgba(7, 17, 14, 0.45));
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    padding: 20px 26px;
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cookie-banner.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.cookie-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.cookie-banner-text {
    flex: 1;
    min-width: 260px;
}

.cookie-banner-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: var(--color-ink);
    margin-bottom: 6px;
}

.cookie-banner-title i {
    width: 18px;
    height: 18px;
    color: var(--color-gold);
}

.cookie-banner-desc {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    line-height: 1.6;
    margin: 0;
    max-width: 760px;
    padding-left: 32px;
}

.cookie-settings-link {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    margin: 0 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.cookie-settings-link:hover {
    color: var(--color-gold);
}

.cookie-banner-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-banner-actions .btn {
    min-width: 96px;
}

@media (max-width: 640px) {
    .cookie-banner {
        bottom: 12px;
        padding: 18px 18px;
    }
    .cookie-banner-inner {
        gap: 16px;
    }
    .cookie-banner-actions {
        width: 100%;
    }
    .cookie-banner-actions .btn {
        flex: 1;
    }
}

/* Dark glass panel when the legal modal shows Cookie settings */
.legal-modal-overlay.cookie-settings-mode .legal-modal {
    background: linear-gradient(160deg, rgba(12, 28, 22, 0.98), rgba(7, 17, 14, 0.98));
    border: 1px solid var(--color-border-light);
}
.legal-modal-overlay.cookie-settings-mode .legal-modal-close {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-ink);
}
.legal-modal-overlay.cookie-settings-mode .legal-modal-close:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* Cookie settings panel (injected into legal modal) */
.cookie-settings h1 {
    font-size: 26px;
    margin-bottom: 10px;
    color: var(--color-ink);
}

.cookie-settings .cookie-privacy-link {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.cookie-settings .cookie-privacy-link:hover {
    color: var(--color-gold);
}

.cookie-settings .cookie-intro {
    color: var(--color-text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.cookie-category {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 20px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.04);
    margin-bottom: 14px;
}

.cookie-category-info h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--color-ink);
}

.cookie-category-info p {
    font-size: 0.82rem;
    color: var(--color-text-gray);
    line-height: 1.6;
    margin: 0;
}

/* Toggle switch */
.cookie-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
    margin-top: 2px;
}

.cookie-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-switch .slider {
    position: absolute;
    inset: 0;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid var(--color-border-light);
    border-radius: 999px;
    transition: var(--transition-normal);
}

.cookie-switch .slider::before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background: #f7f3ea;
    border-radius: 50%;
    transition: var(--transition-normal);
}

.cookie-switch input:checked + .slider {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-soft));
    border-color: transparent;
}

.cookie-switch input:checked + .slider::before {
    transform: translate(20px, -50%);
}

.cookie-switch input:disabled + .slider {
    opacity: 0.55;
    cursor: not-allowed;
}

.cookie-settings-footer {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* ==========================================================================
   Product Image Showcases (hardware / age-friendly / packaging)
   ========================================================================== */
.showcase-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: 14px;
}
.showcase-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 1.25;
    margin-bottom: 16px;
    color: var(--color-ink);
}
.showcase-desc {
    color: var(--color-text-gray);
    line-height: 1.8;
    font-size: 1rem;
    margin: 0;
}

/* Packaging showcase */
.packaging-showcase {
    margin-top: 68px;
}
.packaging-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 36px;
}
.packaging-gallery {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 28px;
}
.packaging-item {
    margin: 0;
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: radial-gradient(120% 120% at 50% 30%, #ffffff 0%, #eef6f0 60%, #dbeade 100%);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: var(--shadow-lg);
}
.packaging-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.packaging-item:hover img {
    transform: scale(1.04);
}
.packaging-item figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 14px 18px;
    background: linear-gradient(to top, rgba(5, 12, 10, 0.78), rgba(5, 12, 10, 0));
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
}

@media (max-width: 860px) {
    .packaging-gallery {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   About Us Page
   ========================================================================== */
.nav-menu a.active {
    color: var(--color-primary);
}

.about-hero {
    position: relative;
    background: #07110e;
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: 100px;
    min-height: 100svh;
    display: flex;
    align-items: center;
    color: var(--color-ink);
    overflow: hidden;
    isolation: isolate;
}
/* Full-bleed culture hero photo (same treatment as homepage hero) */
.about-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -3;
    background: url('../assets/hero-culture.png') center/cover no-repeat;
    transform: scale(1.08) translateY(var(--hero-shift, 0%));
    filter: saturate(1.05) contrast(1.02);
    will-change: transform;
}
.about-hero-inner { will-change: opacity, transform; }
.about-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(90deg, rgba(7, 17, 14, 0.92) 0%, rgba(7, 17, 14, 0.6) 46%, rgba(7, 17, 14, 0.22) 80%),
        linear-gradient(0deg, #07110e 0%, rgba(7, 17, 14, 0.2) 38%, rgba(7, 17, 14, 0.4) 100%);
}
.about-hero .container {
    position: relative;
    z-index: 2;
}
.about-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
    text-align: left;
}
.about-eyebrow {
    display: inline-block;
    padding: 8px 18px;
    border-radius: var(--border-radius-full);
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    color: var(--color-gold-light);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
}
.about-hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.18;
    margin-bottom: 22px;
}
.about-hero-title .lang-cn { white-space: nowrap; }
.about-hero-stats { margin-top: 36px; }

/* 首屏品牌名 Telvian：浅绿色虚线下划线 + 点击释义 */
.telvian-term {
    color: inherit;
    cursor: pointer;
    font-style: italic;
    border-bottom: 1.5px dashed rgba(157, 244, 207, 0.85);
    padding-bottom: 1px;
    transition: color 0.2s ease, border-color 0.2s ease;
}
.telvian-term:hover,
.telvian-term:focus-visible {
    color: var(--color-primary-light, #9df4cf);
    border-color: var(--color-primary, #30e09b);
    outline: none;
}

/* 品牌名释义 tips 弹窗 */
.term-pop {
    position: fixed;
    z-index: 3000;
    width: max-content;
    max-width: min(360px, 88vw);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-6px) scale(0.96);
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.18, 0.88, 0.22, 1);
    pointer-events: none;
}
.term-pop.active { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0) scale(1); pointer-events: auto; }
.term-pop-card {
    position: relative;
    background: linear-gradient(155deg, rgba(12, 30, 24, 0.96), rgba(6, 16, 13, 0.96));
    border: 1px solid rgba(157, 244, 207, 0.28);
    border-radius: 16px;
    padding: 22px 24px 20px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    color: #f7fff9;
}
.term-pop-card::before {
    content: "";
    position: absolute;
    top: -7px; left: 50%;
    width: 14px; height: 14px;
    transform: translateX(-50%) rotate(45deg);
    background: rgba(12, 30, 24, 0.96);
    border-left: 1px solid rgba(157, 244, 207, 0.28);
    border-top: 1px solid rgba(157, 244, 207, 0.28);
}
.term-pop.flip .term-pop-card::before { top: auto; bottom: -7px; border-left: none; border-top: none; border-right: 1px solid rgba(157, 244, 207, 0.28); border-bottom: 1px solid rgba(157, 244, 207, 0.28); }
.term-pop-close {
    position: absolute; top: 10px; right: 10px;
    width: 28px; height: 28px; display: grid; place-items: center;
    border: none; border-radius: 8px; cursor: pointer;
    background: rgba(255, 255, 255, 0.06); color: rgba(255, 255, 255, 0.7);
    transition: background 0.2s ease, color 0.2s ease;
}
.term-pop-close:hover { background: rgba(255, 255, 255, 0.14); color: #fff; }
.term-pop-close svg { width: 16px; height: 16px; }
.term-pop-word { font-size: 1.5rem; font-weight: 800; letter-spacing: 0.02em; color: var(--color-primary, #30e09b); }
.term-pop-ipa { font-size: 0.95rem; color: rgba(231, 255, 243, 0.62); margin-top: 2px; font-style: italic; }
.term-pop-formula { font-size: 0.82rem; line-height: 1.6; color: rgba(231, 255, 243, 0.86); margin-top: 12px; }
.term-pop-formula em { color: var(--color-gold, #f0c66a); font-style: normal; }
.term-pop-divider { height: 1px; background: rgba(255, 255, 255, 0.14); margin: 14px 0; }
.term-pop-label { font-size: 0.72rem; letter-spacing: 0.14em; color: var(--color-gold, #f0c66a); font-weight: 700; text-transform: uppercase; margin-bottom: 6px; }
.term-pop-desc { font-size: 1rem; line-height: 1.7; color: #f7fff9; margin: 0; font-weight: 600; }
.about-hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    color: var(--color-text-gray);
    max-width: 640px;
    margin: 0;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}
.about-intro-text .section-title { text-align: left; margin-bottom: 20px; }
.about-paragraph {
    color: var(--color-text-gray);
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 30px;
}
.about-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}
.about-stat { display: flex; flex-direction: column; }
.about-stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}
.about-stat-label { color: var(--color-text-light-gray); font-size: 0.9rem; }
.about-intro-visual img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.about-mv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.about-mv-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    backdrop-filter: blur(12px);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.about-mv-card:hover { transform: translateY(-6px); border-color: var(--color-primary); }
.about-mv-icon,
.about-value-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, rgba(48,213,133,0.2), rgba(216,183,106,0.16));
    color: var(--color-primary);
    margin-bottom: 22px;
}
.about-mv-card h3 { font-size: 1.4rem; margin-bottom: 14px; }
.about-mv-card p { color: var(--color-text-gray); line-height: 1.8; }

.about-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 20px;
}
.about-value-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: 36px 30px;
    backdrop-filter: blur(12px);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.about-value-card:hover { transform: translateY(-6px); border-color: var(--color-gold); }
.about-value-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.about-value-lead { color: var(--color-gold-light); font-weight: 600; margin-bottom: 14px; }
.about-value-card p { color: var(--color-text-gray); line-height: 1.8; }

.about-cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(13,94,55,0.55), rgba(7,17,14,0.6));
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: 64px 40px;
    backdrop-filter: blur(12px);
}
.about-cta h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 16px; }
.about-cta > p { color: var(--color-text-gray); max-width: 620px; margin: 0 auto 30px; }
.about-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 34px;
}
.about-contact-row {
    display: flex;
    gap: 28px;
    justify-content: center;
    flex-wrap: wrap;
    color: var(--color-text-light-gray);
    font-size: 0.92rem;
}
.about-contact-row .contact-item { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- 企业文化：使命 / 愿景 / 价值观（每部分一屏） ---------- */
.culture-screen {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    isolation: isolate;
    padding: calc(var(--nav-height) + 40px) 0 80px;
    border-top: 1px solid var(--color-border-light);
}
/* 使命/愿景：底图 + 与首屏 banner 一致的双层蒙版遮罩 */
.culture-mission,
.culture-vision { background: #07110e; }

.culture-mission::before,
.culture-vision::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -3;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.08) translateY(var(--bg-shift, 0%));
    filter: saturate(1.05) contrast(1.02);
}
.culture-mission::before { background-image: url('../assets/mission-culture.png'); }
.culture-vision::before { background-image: url('../assets/vision-culture.png'); }

.culture-mission::after,
.culture-vision::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
}
/* 使命：家庭视觉在右 → 左侧加深 */
.culture-mission::after {
    background:
        linear-gradient(90deg, rgba(7, 17, 14, 0.92) 0%, rgba(7, 17, 14, 0.6) 46%, rgba(7, 17, 14, 0.22) 80%),
        linear-gradient(0deg, #07110e 0%, rgba(7, 17, 14, 0.2) 38%, rgba(7, 17, 14, 0.4) 100%);
}
/* 愿景：家庭视觉在左 → 右侧加深 */
.culture-vision::after {
    background:
        linear-gradient(270deg, rgba(7, 17, 14, 0.92) 0%, rgba(7, 17, 14, 0.6) 46%, rgba(7, 17, 14, 0.22) 80%),
        linear-gradient(0deg, #07110e 0%, rgba(7, 17, 14, 0.2) 38%, rgba(7, 17, 14, 0.4) 100%);
}
.culture-values  { background: radial-gradient(120% 100% at 50% 0%, rgba(216, 183, 106, 0.16), transparent 55%), #060f0c; }
.culture-mission .container,
.culture-vision .container { position: relative; z-index: 2; }

/* 图片背景下隐藏装饰光晕，避免过曝 */
.culture-mission .culture-bg-glow,
.culture-vision .culture-bg-glow { display: none; }

/* 使命/愿景：文字分侧排版 + 标题宽度自适应屏幕；容器宽度与首屏/导航一致 */
.culture-mission .culture-inner { text-align: left; max-width: var(--container-max-width); }
.culture-vision .culture-inner { text-align: right; max-width: var(--container-max-width); }
.culture-mission .culture-title { margin: 0; max-width: min(92%, 15em); }
/* 愿景：人物家庭偏左，右侧留白更多；标题右对齐、垂直居中保持原高度，
   适当加宽让第一行更宽，同时控制在两行内、不盖住左侧人物头像 */
.culture-vision .culture-title { margin: 0 0 0 auto; max-width: min(66%, 14em); }

/* 使命/愿景：更贴近设计图的极简眉标（去掉胶囊底色，改为细线点缀） */
.culture-mission .culture-eyebrow,
.culture-vision .culture-eyebrow {
    background: none;
    border: none;
    padding: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
    letter-spacing: 0.14em;
    margin-bottom: 28px;
}
.culture-mission .culture-eyebrow { flex-direction: row; }
.culture-vision .culture-eyebrow { flex-direction: row-reverse; }
.culture-mission .culture-eyebrow::after,
.culture-vision .culture-eyebrow::after {
    content: "";
    width: 54px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
}
.culture-vision .culture-eyebrow::after {
    background: linear-gradient(270deg, var(--color-primary), transparent);
}
.culture-mission .culture-eyebrow svg,
.culture-vision .culture-eyebrow svg { color: var(--color-primary); }

.culture-bg-glow {
    position: absolute;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: -1;
}
.culture-mission .culture-bg-glow { top: -10%; left: -6%; background: radial-gradient(circle, rgba(48, 213, 133, 0.34), transparent 70%); }
.culture-vision  .culture-bg-glow { bottom: -12%; right: -6%; background: radial-gradient(circle, rgba(101, 201, 139, 0.34), transparent 70%); }
.culture-values  .culture-bg-glow { top: -14%; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, rgba(216, 183, 106, 0.28), transparent 70%); }

.culture-inner { text-align: center; max-width: 1080px; }
.culture-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 22px;
    border-radius: var(--border-radius-full);
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    color: var(--color-gold-light);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 34px;
}
.culture-eyebrow svg { width: 18px; height: 18px; }
.culture-title {
    font-size: clamp(2.2rem, 5.4vw, 4.4rem);
    font-weight: 800;
    line-height: 1.28;
    letter-spacing: 0.01em;
    margin: 0 auto;
    max-width: 16em;
}
.culture-values-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 48px;
}
.culture-index {
    position: absolute;
    right: 6%;
    bottom: 40px;
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    color: var(--color-text-light-gray);
    z-index: 2;
}
.culture-values .about-values-grid {
    margin: 0 auto;
    text-align: left;
    grid-template-columns: 1fr;
    gap: 22px;
    max-width: 900px;
}
.culture-values .about-value-card {
    display: flex;
    align-items: flex-start;
    gap: 26px;
    padding: 30px 34px;
}
.culture-values .about-value-icon {
    flex-shrink: 0;
    margin-bottom: 0;
}
.culture-values .about-value-body { flex: 1; min-width: 0; }
.culture-values .about-value-card h3 { margin-bottom: 4px; }

/* ---------- 使命 / 愿景 / 价值观：钉住 + 滚动叙事（原地逐屏过渡） ---------- */
/* JS 启用后为 .culture-wrap 添加 .is-scrolly：页面下滑时该区固定，三屏在原地以不同动效交替出现。
   未启用（无 JS / 减少动效 / 窄屏）时保持默认逐屏堆叠滚动，作为优雅降级。 */
.culture-wrap.is-scrolly {
    position: relative;
    height: 340vh;              /* 可滚动行程 = 340vh - 100vh = 240vh，覆盖三屏切换 */
}
.culture-wrap.is-scrolly .culture-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    background: #050d0a;
}
.culture-wrap.is-scrolly .culture-screen {
    position: absolute;
    inset: 0;
    min-height: 0;
    border-top: none;
    will-change: opacity;
    backface-visibility: hidden;
}
/* 钉住模式下文字层始终可见（由 JS 控制位移动效，避免 .reveal 把它隐藏） */
.culture-wrap.is-scrolly .culture-inner {
    opacity: 1;
    transition: none;
    will-change: transform;
}

/* 钉住叙事中：每一屏成为“当前屏”时，内容以舒缓的错落动效出现 */
/* 使命 / 愿景：引导语与标题上浮淡入 */
.culture-wrap.is-scrolly .culture-mission .culture-inner > *,
.culture-wrap.is-scrolly .culture-vision .culture-inner > * {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.95s cubic-bezier(0.16, 0.84, 0.44, 1),
                transform 0.95s cubic-bezier(0.16, 0.84, 0.44, 1);
}
.culture-wrap.is-scrolly .culture-mission.is-current .culture-inner > *,
.culture-wrap.is-scrolly .culture-vision.is-current .culture-inner > * {
    opacity: 1;
    transform: none;
}
.culture-wrap.is-scrolly .culture-mission.is-current .culture-inner > *:nth-child(1),
.culture-wrap.is-scrolly .culture-vision.is-current .culture-inner > *:nth-child(1) { transition-delay: 0.12s; }
.culture-wrap.is-scrolly .culture-mission.is-current .culture-inner > *:nth-child(2),
.culture-wrap.is-scrolly .culture-vision.is-current .culture-inner > *:nth-child(2) { transition-delay: 0.32s; }

/* 价值观：顶部标签与手风琴仅做淡入（保留其 translateX(-50%) 居中定位） */
.culture-wrap.is-scrolly .culture-values .va-topbar,
.culture-wrap.is-scrolly .culture-values .va-accordion {
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.16, 0.84, 0.44, 1);
}
.culture-wrap.is-scrolly .culture-values.is-current .va-topbar { opacity: 1; transition-delay: 0.12s; }
.culture-wrap.is-scrolly .culture-values.is-current .va-accordion { opacity: 1; transition-delay: 0.32s; }

/* 首屏副标题打字机光标 */
.about-hero-subtitle .lang-cn.is-typing::after,
.about-hero-subtitle .lang-en.is-typing::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1em;
    margin-left: 2px;
    vertical-align: -0.15em;
    background: var(--color-primary);
    animation: telvian-caret 0.9s steps(1) infinite;
}
@keyframes telvian-caret {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* ---------- 价值观：横向手风琴（hover / 点击展开，全屏沉浸）---------- */
/* 铺满整屏作为定位上下文（覆盖 .culture-inner 的 max-width 限制），
   内部 va-hero / va-accordion 相对视口居中，宽度与导航栏一致 */
.values-accordion { position: absolute; inset: 0; max-width: none; overflow: hidden; }
/* 居中容器宽度：与导航栏左右对齐 */
.values-accordion .va-hero {
    position: absolute; z-index: 10;
    left: 50%; transform: translateX(-50%);
    top: clamp(92px, 14vh, 140px);
    width: 100%; max-width: var(--container-max-width);
    padding: 0 24px;
    text-align: center; pointer-events: none;
}
.values-accordion .va-eyebrow {
    display: inline-flex; align-items: center; gap: 12px;
    font-size: 1rem; font-weight: 600; letter-spacing: 0.16em;
    color: rgba(255, 255, 255, 0.86); margin-bottom: 16px;
}
.values-accordion .va-eyebrow svg { width: 18px; height: 18px; color: var(--color-primary, #30e09b); }
.values-accordion .va-eyebrow::before,
.values-accordion .va-eyebrow::after { content: ""; width: 46px; height: 1px; }
.values-accordion .va-eyebrow::before { background: linear-gradient(90deg, transparent, var(--color-primary, #30e09b)); }
.values-accordion .va-eyebrow::after { background: linear-gradient(90deg, var(--color-primary, #30e09b), transparent); }
.values-accordion .va-h1 { font-size: clamp(34px, 4.6vw, 76px); line-height: 1.04; letter-spacing: -0.03em; font-weight: 900; text-shadow: 0 12px 40px rgba(0, 0, 0, 0.45); margin: 0; }
.values-accordion .va-subtitle { margin: 18px auto 0; color: rgba(243, 255, 249, 0.78); font-size: clamp(15px, 1.3vw, 20px); line-height: 1.7; max-width: 640px; }

/* 顶部标题「我们的价值观」*/
.values-accordion .va-topbar {
    position: absolute; z-index: 10;
    left: 50%; transform: translateX(-50%);
    top: clamp(80px, 10.5vh, 112px);
    width: 100%; max-width: var(--container-max-width);
    padding: 0 24px;
    text-align: center; pointer-events: none;
}

.values-accordion .va-accordion {
    position: absolute;
    left: 50%; transform: translateX(-50%);
    top: clamp(132px, 17vh, 176px);
    bottom: clamp(28px, 5vh, 58px);
    width: 100%; max-width: var(--container-max-width);
    display: flex; z-index: 1;
    border-radius: 26px; overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.5);
}
.values-accordion .va-panel { position: relative; flex: 1; min-width: 0; overflow: hidden; cursor: pointer; transition: flex 0.78s cubic-bezier(0.18, 0.88, 0.22, 1), filter 0.65s ease; isolation: isolate; border-left: 1px solid rgba(255, 255, 255, 0.08); }
.values-accordion .va-panel:first-child { border-left: 0; }
.values-accordion .va-panel.active { flex: 4.2; }
.values-accordion .va-panel:not(.active) { filter: saturate(0.72) brightness(0.78); }
.values-accordion .va-panel-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.04); transition: transform 1.1s cubic-bezier(0.18, 0.88, 0.22, 1); z-index: -3; }
.values-accordion .va-panel.active .va-panel-bg { transform: scale(1); }
.values-accordion .va-panel[data-value="mountain"] .va-panel-bg { background-image: url('../assets/value-mountain.png'); }
.values-accordion .va-panel[data-value="silk"] .va-panel-bg { background-image: url('../assets/value-silk.png'); }
.values-accordion .va-panel[data-value="home"] .va-panel-bg { background-image: url('../assets/value-home.png'); }
.values-accordion .va-panel::before { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(2, 10, 8, 0.7), rgba(2, 10, 8, 0.22) 45%, rgba(2, 10, 8, 0.62)), radial-gradient(circle at 40% 50%, rgba(38, 224, 154, 0.14), transparent 36%); transition: opacity 0.6s ease; }
.values-accordion .va-panel:not(.active)::before { opacity: 0.86; background: linear-gradient(180deg, rgba(3, 12, 10, 0.76), rgba(3, 12, 10, 0.78)); }
.values-accordion .va-panel::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.4) 54%, rgba(0, 0, 0, 0.78) 100%); }

.values-accordion .va-collapsed-label { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); writing-mode: vertical-rl; text-orientation: mixed; letter-spacing: 0.24em; font-size: clamp(24px, 2.6vw, 42px); font-weight: 900; color: rgba(255, 255, 255, 0.92); transition: opacity 0.35s ease, transform 0.45s ease; white-space: nowrap; text-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); }
.values-accordion .va-panel.active .va-collapsed-label { opacity: 0; transform: translate(-50%, -42%); }

/* 卡片：全面板居中的沉浸式玻璃卡（参考设计图）*/
.values-accordion .va-content {
    position: absolute;
    inset: clamp(20px, 3.5vh, 40px) clamp(20px, 3vw, 46px);
    opacity: 0; transform: translateY(28px);
    transition: opacity 0.45s ease 0.18s, transform 0.55s cubic-bezier(0.18, 0.88, 0.22, 1) 0.16s;
    pointer-events: none;
}
.values-accordion .va-panel.active .va-content { opacity: 1; transform: translateY(0); pointer-events: auto; }
.values-accordion .va-card {
    position: relative;
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 28px;
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(20px);
    padding: clamp(30px, 4vw, 60px);
}
/* 顶部行：图标左上、编号右上（绝对定位，不影响中部内容居中）*/
.values-accordion .va-card-top {
    position: absolute;
    top: clamp(22px, 3vh, 34px);
    left: clamp(24px, 3vw, 42px);
    right: clamp(24px, 3vw, 42px);
    display: flex; align-items: center; justify-content: space-between;
}
.values-accordion .va-icon { width: 56px; height: 56px; flex-shrink: 0; display: grid; place-items: center; border-radius: 16px; background: linear-gradient(135deg, rgba(44, 224, 152, 0.26), rgba(255, 255, 255, 0.07)); border: 1px solid rgba(117, 255, 195, 0.2); box-shadow: 0 0 30px rgba(48, 224, 155, 0.14); color: var(--color-primary, #30e09b); }
.values-accordion .va-icon svg { width: 27px; height: 27px; }
.values-accordion .va-num { font-size: 13px; letter-spacing: 0.22em; color: var(--color-gold, #f0c66a); font-weight: 800; white-space: nowrap; }
.values-accordion .va-title { font-size: clamp(40px, 5vw, 82px); font-weight: 900; letter-spacing: -0.03em; line-height: 1.05; margin: 0 0 16px; }
.values-accordion .va-tagline {
    display: inline-flex; align-items: center; gap: 16px;
    font-size: clamp(16px, 1.5vw, 22px); font-weight: 700;
    color: var(--color-primary-light, #9df4cf); margin: 0 0 26px;
}
.values-accordion .va-tagline::before,
.values-accordion .va-tagline::after { content: ""; width: 38px; height: 1px; background: rgba(157, 244, 207, 0.45); }
.values-accordion .va-desc {
    font-size: clamp(13px, 1.05vw, 16px); line-height: 1.7;
    color: rgba(238, 255, 246, 0.82); margin: 0 auto;
    max-width: none; white-space: nowrap; padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.values-accordion .va-keywords { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }
.values-accordion .va-keyword { display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px; border-radius: 999px; border: 1px solid rgba(157, 244, 207, 0.26); background: rgba(7, 18, 15, 0.5); color: rgba(231, 255, 243, 0.88); font-size: 13px; letter-spacing: 0.02em; }
.values-accordion .va-keyword::before { content: "\25C6"; color: var(--color-primary, #30e09b); font-size: 8px; }
.values-accordion .va-hint { position: absolute; z-index: 10; left: 50%; transform: translateX(-50%); bottom: clamp(6px, 2vh, 18px); font-size: 12px; color: rgba(255, 255, 255, 0.45); letter-spacing: 0.14em; pointer-events: none; }

@media (max-width: 980px) {
    .about-intro-grid { grid-template-columns: 1fr; gap: 36px; }
    .about-intro-visual { order: -1; }
    .about-mv-grid { grid-template-columns: 1fr; }
    .about-values-grid { grid-template-columns: 1fr; }
    .culture-screen { min-height: 78vh; padding: 90px 0 70px; }
    .culture-index { display: none; }

    /* 移动端：整屏加深纵向遮罩，文字统一靠左、宽度铺满，保证可读 */
    .culture-mission::after,
    .culture-vision::after {
        background:
            linear-gradient(180deg, rgba(7, 17, 14, 0.86) 0%, rgba(7, 17, 14, 0.72) 45%, rgba(7, 17, 14, 0.5) 100%),
            linear-gradient(0deg, #07110e 0%, rgba(7, 17, 14, 0.3) 60%);
    }
    .culture-mission .culture-inner,
    .culture-vision .culture-inner { text-align: left; }
    .culture-mission .culture-title,
    .culture-vision .culture-title { margin: 0; max-width: 100%; }
    .culture-vision .culture-eyebrow { flex-direction: row; }
    .culture-vision .culture-eyebrow::after { background: linear-gradient(90deg, var(--color-primary), transparent); }

    /* 价值观手风琴移动端：改为纵向堆叠，各面板固定高度、内容常显 */
    .culture-values { min-height: auto; display: block; padding: 0; }
    .values-accordion { position: relative; inset: auto; height: auto; }
    .values-accordion .va-topbar { position: relative; left: auto; top: auto; transform: none; width: auto; max-width: none; padding: 92px 22px 4px; text-align: left; }
    .values-accordion .va-hero { position: relative; left: auto; top: auto; transform: none; max-width: none; width: auto; padding: 96px 22px 8px; text-align: left; }
    .values-accordion .va-accordion { position: relative; inset: auto; left: auto; top: auto; bottom: auto; transform: none; display: block; height: auto; width: auto; max-width: none; border-radius: 0; border: 0; box-shadow: none; }
    .values-accordion .va-panel,
    .values-accordion .va-panel.active { flex: none; height: 68vh; border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.08); filter: none; }
    .values-accordion .va-panel .va-panel-bg { transform: scale(1); }
    .values-accordion .va-collapsed-label { display: none; }
    .values-accordion .va-content { position: absolute; inset: 16px; opacity: 1; transform: none; pointer-events: auto; }
    .values-accordion .va-card { padding: clamp(22px, 6vw, 34px); }
    .values-accordion .va-title { font-size: clamp(34px, 12vw, 52px); }
    .values-accordion .va-desc { white-space: normal; max-width: 100%; }
    .values-accordion .va-hint { display: none; }
}