/**
 * 秦联数通 - Trae 风格主题
 * 深色科技背景 + 渐变光晕 + 玻璃态卡片
 */

:root {
    --bg-0: #02040a;
    --bg-1: #0a0e1a;
    --bg-2: #111729;
    --bg-3: #1a2332;
    --bg-glass: rgba(17, 23, 41, 0.55);

    --fg-0: #ffffff;
    --fg-1: #b0c4d8;
    --fg-2: #8a9bb0;

    --brand-cyan: #00f0ff;
    --brand-purple: #7c5cff;
    --brand-pink: #ff4ecb;
    --brand-blue: #3b82f6;

    --gradient-primary: linear-gradient(135deg, var(--brand-cyan), var(--brand-purple), var(--brand-pink));
    --gradient-text: linear-gradient(135deg, #ffffff 0%, var(--brand-cyan) 55%, var(--brand-purple) 100%);
    --gradient-border: linear-gradient(135deg, rgba(0, 240, 255, 0.5), rgba(124, 92, 255, 0.4), rgba(255, 78, 203, 0.3));
    --gradient-subtle: linear-gradient(180deg, rgba(0, 240, 255, 0.06), rgba(124, 92, 255, 0.04));

    --glow-cyan: rgba(0, 240, 255, 0.35);
    --glow-purple: rgba(124, 92, 255, 0.35);
    --glow-pink: rgba(255, 78, 203, 0.25);

    --link: #7eeaff;
    --link-hover: #b8f4ff;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);

    --container: 1200px;
    --header-h: 72px;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-pill: 999px;

    --font: "Inter", system-ui, -apple-system, "Segoe UI", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 240, 255, 0.35) var(--bg-1);
}

html::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

html::-webkit-scrollbar-track {
    background: var(--bg-1);
}

html::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.5), rgba(124, 92, 255, 0.5));
    border-radius: 999px;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.65;
    color: var(--fg-1);
    background: var(--bg-0);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: var(--link);
    text-decoration: none;
    transition: color 0.2s var(--ease);
}

a:hover {
    color: var(--link-hover);
}

a:focus-visible {
    outline: 2px solid var(--brand-cyan);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--line);
}

/* 全局背景：网格 + 渐变光晕 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(124, 92, 255, 0.12), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(0, 240, 255, 0.06), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(255, 78, 203, 0.05), transparent),
        var(--bg-0);
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
    pointer-events: none;
}

/* Header */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	height: var(--header-h);
	background: rgba(2, 4, 10, 0.72);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border-bottom: 1px solid var(--line);
	transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
	background: rgba(2, 4, 10, 0.92);
	border-bottom-color: rgba(0, 240, 255, 0.15);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    color: var(--fg-0);
}

.site-logo:hover {
    color: var(--fg-0);
}

.site-logo__mark svg {
    display: block;
    filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.25));
}

.site-logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.site-logo__name {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.site-logo__tag {
    font-size: 0.6875rem;
    color: var(--fg-2);
    letter-spacing: 0.08em;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-nav__list a {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    color: var(--fg-1);
    border-radius: var(--radius-pill);
    transition: color 0.2s, background 0.2s, box-shadow 0.2s;
}

.site-nav__list a:hover,
.site-nav__list .current-menu-item a {
    color: var(--fg-0);
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    width: 20px;
    height: 2px;
    margin-inline: auto;
    background: var(--fg-0);
    transition: transform 0.3s var(--ease), opacity 0.3s;
}

.site-main {
    padding-top: var(--header-h);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    transition: transform 0.2s var(--ease), box-shadow 0.3s var(--ease), background 0.3s;
}

.btn--primary {
    color: var(--bg-0);
    background: var(--gradient-primary);
    box-shadow: 0 0 28px rgba(0, 240, 255, 0.35), 0 0 48px rgba(124, 92, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s var(--ease);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 36px rgba(0, 240, 255, 0.5), 0 0 64px rgba(124, 92, 255, 0.35);
    color: var(--bg-0);
}

.btn--primary:hover::before {
    transform: translateX(100%);
}

.btn--outline {
    color: var(--fg-0);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-strong);
}

.btn--outline:hover {
    border-color: rgba(0, 240, 255, 0.5);
    background: rgba(0, 240, 255, 0.08);
    box-shadow: 0 0 24px rgba(0, 240, 255, 0.2);
    color: var(--fg-0);
}

.btn--full {
    width: 100%;
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}

.section-header__title {
    margin: 0 0 1rem;
    font-size: clamp(1.875rem, 4.5vw, 2.625rem);
    font-weight: 700;
    line-height: 1.25;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header__desc {
    margin: 0;
    color: var(--fg-1);
    font-size: 1.0625rem;
}

/* Hero */
.hero {
	min-height: calc(100vh - var(--header-h));
	display: flex;
	align-items: center;
	overflow: hidden;
	position: relative;
}

.hero-particles {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	pointer-events: none;
	z-index: 0;
	opacity: 0.7;
}

.hero__bg {
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse 70% 50% at 70% 30%, rgba(124, 92, 255, 0.18), transparent),
		radial-gradient(ellipse 60% 45% at 20% 60%, rgba(0, 240, 255, 0.12), transparent),
		radial-gradient(ellipse 50% 30% at 50% 90%, rgba(255, 78, 203, 0.08), transparent);
	pointer-events: none;
	z-index: 1;
}

.hero__inner {
	position: relative;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
	align-items: center;
	padding-block: 5rem;
	z-index: 2;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: fit-content;
    margin: 0 0 1.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    color: var(--brand-cyan);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--radius-pill);
    backdrop-filter: blur(8px);
}

.hero__eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-cyan);
    box-shadow: 0 0 10px var(--brand-cyan);
}

.hero__title {
    margin: 0 0 1.5rem;
    font-size: clamp(2.25rem, 5.5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--fg-0);
}

.hero__title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    margin: 0 0 2.25rem;
    font-size: 1.125rem;
    color: var(--fg-1);
    max-width: 540px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero__visual::before {
    content: '';
    position: absolute;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.15), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-svg {
    width: min(100%, 440px);
    height: auto;
    animation: heroFloat 6s ease-in-out infinite;
    filter: drop-shadow(0 0 40px rgba(0, 240, 255, 0.15));
}

.hero-svg__ring--1 {
    animation: heroSpin 24s linear infinite;
    transform-origin: center;
}

.hero-svg__ring--2 {
    animation: heroSpin 18s linear infinite reverse;
    transform-origin: center;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

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

@keyframes heroPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* Cards */
.card-grid {
    display: grid;
    gap: 1.5rem;
}

.card-grid--5 {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}

.card-grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    position: relative;
    padding: 2rem;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--line);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--gradient-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s;
    pointer-events: none;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    opacity: 0.5;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 240, 255, 0.25);
    box-shadow: 0 12px 48px rgba(0, 240, 255, 0.12), 0 0 64px rgba(124, 92, 255, 0.1);
}

.card:hover::before {
    opacity: 1;
}

.card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: 1.25rem;
    color: var(--brand-cyan);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.18);
    border-radius: var(--radius-sm);
}

.card__title {
    margin: 0 0 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--fg-0);
}

.card__desc {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--fg-1);
    line-height: 1.65;
}

.card__list {
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.card__list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.625rem;
    font-size: 0.875rem;
    color: var(--fg-1);
}

.card__list svg {
    flex-shrink: 0;
    margin-top: 0.2rem;
    color: var(--brand-cyan);
}

.card--solution {
    padding: 2rem;
}

.card--solution .card__title {
    font-size: 1.25rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Stats */
.stats {
    background: linear-gradient(180deg, rgba(17, 23, 41, 0.5), rgba(10, 14, 26, 0.5));
    border-block: 1px solid var(--line);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 100% at 50% 50%, rgba(124, 92, 255, 0.08), transparent);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    position: relative;
}

.stat-item {
    padding: 1rem;
}

.stat-item__num {
    font-size: clamp(2.25rem, 4.5vw, 3rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.stat-item__label {
    margin-top: 0.5rem;
    font-size: 0.9375rem;
    color: var(--fg-2);
}

/* About */
.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__content .section-header__title {
    text-align: left;
    margin-bottom: 1.25rem;
}

.about__content p {
    color: var(--fg-1);
    margin: 0 0 1.125rem;
    font-size: 1rem;
}

.about__highlights {
    margin: 1.75rem 0 0;
    padding: 0;
    list-style: none;
}

.about__highlights li {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    margin-bottom: 0.875rem;
    color: var(--fg-0);
}

.about__highlights svg {
    color: var(--brand-cyan);
    flex-shrink: 0;
    filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.4));
}

.about__visual {
    position: relative;
}

.about__visual svg {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    filter: drop-shadow(0 0 40px rgba(124, 92, 255, 0.15));
}

/* Contact */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.contact__info h3 {
    margin: 0 0 1.5rem;
    font-size: 1.375rem;
    color: var(--fg-0);
}

.contact__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.contact__list li {
    margin-bottom: 1.375rem;
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--line);
    transition: border-color 0.2s, background 0.2s;
}

.contact__list li:hover {
    border-color: rgba(0, 240, 255, 0.2);
    background: rgba(0, 240, 255, 0.03);
}

.contact__list strong {
    display: block;
    font-size: 0.8125rem;
    color: var(--fg-2);
    margin-bottom: 0.375rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.contact__list span {
    color: var(--fg-0);
    font-size: 1rem;
}

.contact__list a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.contact__list a:hover {
    color: var(--link-hover);
}

.contact-form {
    padding: 2.25rem;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--line);
}

.form-field {
    margin-bottom: 1.375rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--fg-1);
}

.form-field .required {
    color: var(--brand-cyan);
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--fg-0);
    background: rgba(2, 4, 10, 0.6);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: var(--fg-2);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: rgba(0, 240, 255, 0.5);
    background: rgba(2, 4, 10, 0.8);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.12);
}

.form-field input.is-invalid,
.form-field textarea.is-invalid {
    border-color: #f87171;
}

.form-notice {
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
}

.form-notice--success {
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.3);
    color: var(--brand-cyan);
}

.form-notice--error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: #fca5a5;
}

/* Footer */
.site-footer {
    padding: 5rem 0 2.5rem;
    background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
    border-top: 1px solid var(--line);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), var(--brand-purple), rgba(0, 240, 255, 0.3), transparent);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
    position: relative;
}

.site-footer__title {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--fg-0);
}

.site-footer__text {
    margin: 0;
    font-size: 0.875rem;
    color: var(--fg-1);
    line-height: 1.7;
}

.site-footer__links,
.site-footer__contact {
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer__links li,
.site-footer__contact li {
    margin-bottom: 0.75rem;
}

.site-footer__links a {
    color: var(--link);
    font-size: 0.875rem;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.site-footer__links a:hover {
    color: var(--link-hover);
}

.site-footer__contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--fg-0);
}

.site-footer__contact a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.site-footer__contact a:hover {
    color: var(--link-hover);
}

.site-footer__contact svg {
    color: var(--brand-cyan);
    flex-shrink: 0;
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

.site-footer__copy,
.site-footer__icp {
    margin: 0;
    font-size: 0.875rem;
    color: var(--fg-2);
}

.site-footer__icp a {
    color: var(--link);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.site-footer__icp a:hover {
    color: var(--link-hover);
}

/* Fade-in animation */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero .fade-in {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .hero .hero__visual.fade-in {
        animation: heroVisualIn 0.7s var(--ease-out) both;
    }
}

@keyframes heroVisualIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Inner pages */
.page-header {
    padding: 4rem 0 2.5rem;
    border-bottom: 1px solid var(--line);
    text-align: center;
}

.page-header__title {
    margin: 0;
    font-size: 2.25rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-area {
    padding: 4rem 0 6rem;
}

.content-area .entry-content {
    color: var(--fg-1);
}

.content-area .entry-content a {
    color: var(--brand-cyan);
}

.post-list {
    display: grid;
    gap: 1.5rem;
}

.post-card {
    padding: 1.75rem;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    border: 1px solid var(--line);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.post-card:hover {
    border-color: rgba(0, 240, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 240, 255, 0.1);
}

.post-card__title {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.post-card__title a {
    color: var(--fg-0);
}

.post-card__meta {
    font-size: 0.8125rem;
    color: var(--fg-2);
    margin-bottom: 0.75rem;
}

.post-card__excerpt {
    margin: 0;
    color: var(--fg-1);
    font-size: 0.9375rem;
}

.pagination {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    color: var(--fg-1);
    font-size: 0.875rem;
}

.pagination .current {
    background: rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.4);
    color: var(--brand-cyan);
}

/* 404 */
.error-404 {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
}

.error-404__code {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 800;
    margin: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.error-404__title {
    margin: 1rem 0;
    font-size: 1.5rem;
    color: var(--fg-0);
}

.error-404__desc {
    color: var(--fg-1);
    margin-bottom: 2rem;
}

/* Search */
.search-form {
    display: flex;
    gap: 0.5rem;
    max-width: 400px;
}

.search-form input[type="search"] {
    flex: 1;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--fg-0);
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
}

.search-form button {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bg-0);
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero__inner,
    .about__inner,
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero__visual {
        order: -1;
    }

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

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

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

    .site-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(2, 4, 10, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s var(--ease);
    }

    .site-nav.is-open {
        transform: translateX(0);
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav__list a {
        padding: 1rem;
        font-size: 1.0625rem;
    }

    body.nav-open {
        overflow: hidden;
    }

    .nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .section {
        padding: 4rem 0;
    }

    .hero__title {
        font-size: clamp(1.875rem, 8vw, 2.75rem);
    }

    .card-grid--5 {
        grid-template-columns: 1fr;
    }

    .card-grid--3 {
        grid-template-columns: 1fr;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .site-footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .about__content .section-header__title {
        text-align: center;
    }
}