:root {
    --bg: #050a18;
    --bg-elev: #0a1428;
    --surface: #0e1c38;
    --surface-2: #122648;

    --line: rgba(0, 200, 255, 0.10);
    --line-strong: rgba(0, 200, 255, 0.22);

    --text: #eaf4ff;
    --text-mid: #8fb0d8;
    --text-dim: #4d6a92;

    --accent: #00c8ff;
    --accent-bright: #5ce1ff;
    --accent-deep: #0066ff;
    --accent-soft: rgba(0, 200, 255, 0.12);
    --accent-line: rgba(0, 200, 255, 0.38);
    --accent-glow: rgba(0, 200, 255, 0.45);

    --gold: #ffc857;
    --gold-bright: #ffd97a;
    --gold-soft: rgba(255, 200, 87, 0.12);
    --gold-line: rgba(255, 200, 87, 0.38);
    --gold-glow: rgba(255, 200, 87, 0.45);

    --danger: #ff5530;
    --danger-soft: rgba(255, 85, 48, 0.10);
    --danger-line: rgba(255, 85, 48, 0.30);

    --taobao: #ff7a2f;

    --font-display: 'Chakra Petch', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'Manrope', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

.mono {
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}

.bg-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(0, 200, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 200, 255, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 75%);
    animation: gridDrift 24s linear infinite;
}

@keyframes gridDrift {
    from { background-position: 0 0, 0 0; }
    to { background-position: 0 48px, 48px 0; }
}

.bg-scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent 2px,
        rgba(0, 200, 255, 0.015) 2px,
        rgba(0, 200, 255, 0.015) 3px
    );
    mix-blend-mode: screen;
}

.bg-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(900px 600px at 50% -10%, rgba(0, 102, 255, 0.18), transparent 60%);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
    z-index: 2;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 11.5px;
    color: var(--text-mid);
    text-transform: uppercase;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar strong {
    color: var(--text);
    font-weight: 700;
}

.header {
    position: relative;
    padding: 80px 0 56px;
    text-align: center;
    overflow: hidden;
}

.ghost-version {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -52%);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(240px, 44vw, 540px);
    line-height: 0.85;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 200, 255, 0.14);
    pointer-events: none;
    user-select: none;
    z-index: 0;
    letter-spacing: -0.04em;
}

.hero-title {
    position: relative;
    z-index: 2;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(56px, 11vw, 132px);
    line-height: 0.92;
    letter-spacing: -0.02em;
    margin-bottom: 30px;
    margin-top: 10px;
}

.hero-title .line {
    display: block;
    animation: fadeUp 0.8s both;
}

.hero-title .line:nth-child(1) {
    animation-delay: 0.12s;
    color: var(--text);
}

.hero-title .line.glow {
    animation-delay: 0.22s;
    background: linear-gradient(90deg, var(--accent-bright), var(--accent), var(--gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 24px var(--accent-glow));
}

.hero-sub {
    position: relative;
    z-index: 2;
    font-size: clamp(15px, 1.6vw, 18px);
    color: var(--text-mid);
    max-width: 640px;
    margin: 0 auto 24px;
    line-height: 1.7;
    animation: fadeUp 0.8s 0.32s both;
}

.hero-sub-dim {
    display: block;
    margin-top: 6px;
    color: var(--text-dim);
    font-size: 0.9em;
}

.hero-stats {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: stretch;
    justify-content: center;
    width: 540px;
    border: 1px solid var(--accent-line);
    background: rgba(10, 30, 60, 0.5);
    backdrop-filter: blur(10px);
    animation: fadeUp 0.8s 0.42s both;
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.12), inset 0 0 30px rgba(0, 200, 255, 0.04);
}

.stat {
    flex: 1;
    padding: 18px 16px;
    text-align: center;
    position: relative;
}

.stat-num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 28px;
    color: var(--accent-bright);
    line-height: 1;
    margin-bottom: 6px;
    text-shadow: 0 0 16px var(--accent-glow);
}

.stat-label {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.18em;
}

.stat-sep {
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--accent-line), transparent);
    align-self: stretch;
}

.ticker {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-top: 32px;
    padding: 11px 20px;
    border: 1px solid var(--accent-line);
    background: rgba(10, 20, 40, 0.7);
    backdrop-filter: blur(8px);
    box-shadow: 0 0 24px rgba(0, 102, 255, 0.12);
    animation: fadeUp 0.8s 0.52s both;
}

.ticker-text {
    font-size: 14px;
    color: var(--text);
    letter-spacing: 0.02em;
    font-weight: 500;
}

.ticker-text strong {
    color: var(--accent-bright);
    font-weight: 700;
}

.ticker-bars {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 14px;
}

.ticker-bars i {
    width: 2px;
    background: var(--accent);
    animation: tickerEq 1.1s ease-in-out infinite;
}

.ticker-bars i:nth-child(1)  { height: 30%; animation-delay: 0.00s; }
.ticker-bars i:nth-child(2)  { height: 60%; animation-delay: 0.08s; }
.ticker-bars i:nth-child(3)  { height: 90%; animation-delay: 0.16s; }
.ticker-bars i:nth-child(4)  { height: 50%; animation-delay: 0.24s; }
.ticker-bars i:nth-child(5)  { height: 80%; animation-delay: 0.32s; }
.ticker-bars i:nth-child(6)  { height: 100%; animation-delay: 0.40s; }
.ticker-bars i:nth-child(7)  { height: 65%; animation-delay: 0.48s; }
.ticker-bars i:nth-child(8)  { height: 40%; animation-delay: 0.56s; }
.ticker-bars i:nth-child(9)  { height: 75%; animation-delay: 0.64s; }
.ticker-bars i:nth-child(10) { height: 55%; animation-delay: 0.72s; }
.ticker-bars i:nth-child(11) { height: 85%; animation-delay: 0.80s; }
.ticker-bars i:nth-child(12) { height: 35%; animation-delay: 0.88s; }

@keyframes tickerEq {
    0%, 100% { transform: scaleY(0.4); opacity: 0.5; }
    50% { transform: scaleY(1); opacity: 1; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

.intro-section {
    text-align: center;
    margin-top: 36px;
    margin-bottom: 36px;
}

.notice {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    width: 540px;
    padding: 20px 30px;
    border: 1px solid var(--accent-line);
    background: linear-gradient(135deg, rgba(0, 200, 255, 0.10), rgba(10, 20, 40, 0.7));
    backdrop-filter: blur(8px);
    font-size: 17px;
    color: var(--text);
    letter-spacing: 0.01em;
    box-shadow: 0 0 30px rgba(0, 102, 255, 0.12), inset 0 1px 0 rgba(0, 200, 255, 0.08);
}

.notice::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent 3px,
        rgba(0, 200, 255, 0.025) 3px,
        rgba(0, 200, 255, 0.025) 4px
    );
    pointer-events: none;
}

.notice strong {
    color: var(--gold);
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}

.notice-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 1px solid var(--accent);
    color: var(--accent-bright);
    border-radius: 50%;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 0 14px var(--accent-glow), inset 0 0 8px rgba(0, 200, 255, 0.18);
    flex-shrink: 0;
    animation: noticePulse 1.6s ease-in-out infinite;
}

@keyframes noticePulse {
    0%, 100% {
        box-shadow: 0 0 14px var(--accent-glow), inset 0 0 8px rgba(0, 200, 255, 0.18);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 22px var(--accent), 0 0 36px var(--accent-glow), inset 0 0 12px rgba(0, 200, 255, 0.30);
        transform: scale(1.08);
    }
}

.section-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
    position: relative;
}

.section-head::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.section-num {
    font-size: 13px;
    color: var(--accent-bright);
    font-weight: 700;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(28px, 4vw, 40px);
    letter-spacing: -0.01em;
    color: var(--text);
}

.section-en {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
}

.version-section {
    margin-bottom: 80px;
}

.version-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 17px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid var(--line-strong);
    cursor: pointer;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
    background: var(--surface);
    color: var(--text);
    letter-spacing: 0.01em;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-right: 1px solid var(--line);
    padding-right: 14px;
}

.btn-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    line-height: 1.1;
}

.btn-text-main {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.btn-text-sub {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    opacity: 0.7;
}

.btn-icon svg { width: 100%; height: 100%; }

.btn-arrow {
    font-size: 13px;
    transition: transform 0.25s ease;
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -120%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    transition: left 0.6s ease;
    pointer-events: none;
}

.btn:hover .btn-glow { left: 120%; }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-corner {
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: currentColor;
    pointer-events: none;
    opacity: 0.7;
}

.btn-corner.tl {
    top: 5px;
    left: 5px;
    border-top: 1.5px solid;
    border-left: 1.5px solid;
}

.btn-corner.br {
    bottom: 5px;
    right: 5px;
    border-bottom: 1.5px solid;
    border-right: 1.5px solid;
}

.btn-pro {
    padding: 22px 38px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
    color: #04122a;
    border-color: var(--accent);
    filter: drop-shadow(0 0 18px rgba(0, 200, 255, 0.42));
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-pro .btn-icon {
    border-right-color: rgba(4, 18, 42, 0.28);
}

.btn-pro .btn-text-sub {
    color: rgba(4, 18, 42, 0.7);
    opacity: 1;
}

.btn-pro .btn-arrow { font-size: 16px; font-weight: 700; }

.btn-pro:hover {
    transform: translateY(-3px);
    filter: drop-shadow(0 10px 26px rgba(0, 102, 255, 0.55)) drop-shadow(0 0 20px var(--accent-glow));
}

.btn-pro:hover .btn-icon { animation: bobDown 0.9s ease-in-out infinite; }

@keyframes bobDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(3px); }
}

.btn-taobao {
    padding: 22px 38px;
    background: var(--taobao);
    color: #1a0a02;
    border-color: var(--taobao);
    filter: drop-shadow(0 0 12px rgba(255, 122, 47, 0.3));
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-taobao .btn-icon {
    border-right-color: rgba(26, 10, 2, 0.25);
}

.btn-taobao .btn-text-sub {
    color: rgba(26, 10, 2, 0.7);
    opacity: 1;
}

.btn-taobao:hover {
    transform: translateY(-3px);
    filter: drop-shadow(0 8px 20px rgba(255, 122, 47, 0.5));
}

.btn-free {
    padding: 22px 38px;
    background: transparent;
    color: var(--text);
    border-color: var(--line-strong);
}

.btn-free:hover {
    border-color: var(--accent);
    color: var(--accent-bright);
    transform: translateY(-3px);
    filter: drop-shadow(0 0 14px rgba(0, 200, 255, 0.25));
}

.btn-free:hover .btn-icon {
    border-right-color: var(--accent-line);
}

.feature-cards {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px;
    font-size: 14px;
    color: var(--text-mid);
    background: var(--bg);
    transition: background 0.25s ease, color 0.25s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-deep));
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

.feature-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 200, 255, 0.06), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
    pointer-events: none;
}

.feature-item:hover {
    background: var(--surface);
    color: var(--text);
}

.feature-item:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.feature-item:hover::after {
    transform: translateX(100%);
}

.feature-item .icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-bright);
    border: 1px solid var(--accent-line);
    background: var(--accent-soft);
    flex-shrink: 0;
}

.taobao-wrap {
    position: relative;
    display: flex;
    align-items: stretch;
}

.taobao-pop {
    position: absolute;
    bottom: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    width: 208px;
    padding: 14px;
    background: var(--bg-elev);
    border: 1px solid var(--accent-line);
    box-shadow: 0 -16px 40px rgba(0, 0, 0, 0.7), 0 0 24px rgba(0, 200, 255, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 100;
    display: flex;
    flex-direction: column-reverse;
}

.taobao-pop.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.taobao-pop .pop-qrcode {
    width: 180px;
    height: auto;
    display: block;
    margin: 0 auto;
    background: #ffffff;
    padding: 4px;
}

.taobao-pop .pop-tip {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--accent-bright);
    font-size: 10.5px;
    text-align: center;
    text-transform: uppercase;
}

.taobao-pop .pop-arrow {
    position: absolute;
    bottom: -7px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: var(--bg-elev);
    border-right: 1px solid var(--accent-line);
    border-bottom: 1px solid var(--accent-line);
}

@media (hover: hover) and (pointer: fine) {
    .taobao-wrap:focus-within .taobao-pop,
    .taobao-wrap:hover .taobao-pop,
    .taobao-pop.show {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }
}

.compare-section {
    margin: 0 auto 100px;
    max-width: 1100px;
}

.compare-header-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 18px;
    align-items: center;
    margin-bottom: 22px;
}

.compare-side-head {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 18px;
    border: 1px solid var(--line);
    position: relative;
}

.compare-side-head.left {
    border-left: 2px solid var(--accent);
    background: var(--accent-soft);
}

.compare-side-head.right {
    border-right: 2px solid var(--danger);
    background: var(--danger-soft);
    text-align: right;
    align-items: flex-end;
}

.side-tag {
    font-size: 11px;
    text-transform: uppercase;
}

.compare-side-head.left .side-tag { color: var(--accent-bright); }
.compare-side-head.right .side-tag { color: var(--danger); }

.side-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
}

.compare-vs {
    font-size: 13px;
    color: var(--text-dim);
    padding: 0 8px;
    text-align: center;
    font-weight: 700;
}

.compare-rows {
    display: grid;
    gap: 10px;
}

.compare-row {
    display: grid;
    grid-template-columns: 1fr 140px 1fr;
    gap: 10px;
    align-items: stretch;
}

.compare-card {
    padding: 16px 18px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.6;
    font-size: 13.5px;
    backdrop-filter: blur(6px);
    border: 1px solid var(--line);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.compare-card .card-check,
.compare-card .card-cross {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    margin-top: 1px;
}

.compare-card.left {
    background: var(--accent-soft);
    color: #cfeaff;
    border-color: var(--accent-line);
}

.compare-card.left .card-check {
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    color: #04122a;
}

.compare-card.left:hover {
    transform: translateX(-3px);
    border-color: var(--accent);
    box-shadow: -4px 0 24px rgba(0, 200, 255, 0.18);
}

.compare-card.right {
    background: var(--danger-soft);
    color: #ffd5c8;
    border-color: var(--danger-line);
}

.compare-card.right .card-cross {
    background: var(--danger);
    color: #1a0500;
}

.compare-card.right:hover {
    transform: translateX(3px);
    border-color: var(--danger);
    box-shadow: 4px 0 24px rgba(255, 85, 48, 0.18);
}

.compare-label {
    display: flex;
    justify-content: center;
    align-items: center;
}

.compare-label .pill {
    position: relative;
    width: 100%;
    min-height: 44px;
    background: var(--line-strong);
    color: var(--text);
    font-weight: 700;
    font-size: 12px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 6px 8px;
    clip-path: polygon(
        8px 0,
        calc(100% - 8px) 0,
        100% 8px,
        100% calc(100% - 8px),
        calc(100% - 8px) 100%,
        8px 100%,
        0 calc(100% - 8px),
        0 8px
    );
    text-transform: uppercase;
    z-index: 0;
}

.compare-label .pill::before {
    content: '';
    position: absolute;
    inset: 1px;
    background: var(--bg-elev);
    clip-path: polygon(
        7px 0,
        calc(100% - 7px) 0,
        100% 7px,
        100% calc(100% - 7px),
        calc(100% - 7px) 100%,
        7px 100%,
        0 calc(100% - 7px),
        0 7px
    );
    z-index: -1;
}

.footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--line);
    background: linear-gradient(to bottom, transparent, rgba(10, 30, 60, 0.4));
    padding: 36px 32px 28px;
    margin-top: 40px;
}

.footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-mark {
    font-size: 12px;
    color: var(--accent-bright);
    text-transform: uppercase;
    margin-bottom: 6px;
    font-weight: 700;
}

.footer-copy {
    font-size: 13px;
    color: var(--text-dim);
}

.official-site-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    border: 1px solid var(--line-strong);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.25s ease;
}

.official-site-btn .mono {
    color: var(--accent-bright);
    font-size: 14px;
}

.official-site-btn:hover {
    border-color: var(--accent);
    color: var(--accent-bright);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.2);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(2, 6, 16, 0.88);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: block;
    opacity: 1;
}

.modal-content {
    background: var(--bg-elev);
    margin: 6vh auto;
    padding: 24px;
    border: 1px solid var(--accent-line);
    width: 90%;
    max-width: 860px;
    position: relative;
    animation: modalIn 0.35s ease;
    box-shadow: 0 0 60px rgba(0, 102, 255, 0.25);
}

.modal-content::before,
.modal-content::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid var(--accent);
}
.modal-content::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.modal-content::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-label {
    color: var(--accent-bright);
    font-size: 11px;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.close {
    color: var(--text-mid);
    float: right;
    font-size: 24px;
    font-weight: 400;
    cursor: pointer;
    position: absolute;
    right: 16px;
    top: 14px;
    z-index: 1001;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    transition: all 0.2s ease;
}

.close:hover,
.close:focus {
    color: var(--accent-bright);
    border-color: var(--accent);
}

.modal-content video {
    display: block;
    width: 100%;
    height: auto;
    background: #000;
}

@media (max-width: 900px) {
    .compare-row {
        grid-template-columns: 1fr;
    }
    .compare-label { display: none; }
    .compare-header-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .compare-side-head.right {
        text-align: left;
        align-items: flex-start;
        border-right: 1px solid var(--line);
        border-left: 2px solid var(--danger);
    }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }

    .version-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .version-buttons .btn,
    .version-buttons .taobao-wrap {
        width: 100%;
        max-width: 360px;
        margin: 0 auto;
    }

    .version-buttons .taobao-wrap .btn { width: 100%; }

    .header { padding: 56px 0 40px; }

    .hero-stats {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }

    .stat { text-align: center; padding: 16px; }

    .stat-sep { width: 100%; height: 1px; }

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

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar { font-size: 10px; }
}

@media (max-width: 480px) {
    .feature-list { grid-template-columns: 1fr; }
    .feature-item { font-size: 13px; }
    .btn { font-size: 14px; padding: 16px 20px; }
    .btn-pro, .btn-taobao, .btn-free { padding: 18px 24px; }
    .btn-text-main { font-size: 15px; }
    .notice { font-size: 15px; padding: 16px 22px; gap: 14px; width: 100%; }
    .notice-mark { width: 24px; height: 24px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}