:root {
  --content-max: 1400px;
  --content-narrow: 720px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --transition-base: 0.3s ease;
  --transition-fast: 0.15s ease;
  --transition-slow: 0.5s ease;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --glare-x: 50%;
  --glare-y: 50%;
  
  /* Dark theme as default */
  --bg-root: #0a0a0a;
  --bg-surface: #14161a;
  --bg-elevated: #181a1c;
  --bg-hover: #1a1a1e;
  --border-subtle: #222;
  --border-default: #333;
  --border-visible: #555;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a09a;
  --text-tertiary: #6e6e68;
  --accent-brand: #cd000d;
  --accent-brand-dim: #e6202d;
  --accent-steel: #5a6068;
  color-scheme: dark;
}
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

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

  body {
    background: var(--bg-root);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: -0.01em;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  ::selection {
    background: rgba(205, 0, 13, 0.2);
    color: var(--text-primary);
  }
  ::-webkit-scrollbar { width: 4px; }
  ::-webkit-scrollbar-track { background: var(--bg-root); }
  ::-webkit-scrollbar-thumb { background: var(--border-visible); border-radius: 2px; }

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 40px;
}
.container-flush { padding: 0; }
  .container-narrow {
    max-width: var(--content-narrow);
  }

  hr {
    border: none;
    height: 1px;
    background: var(--border-subtle);
    margin: 0;
  }

  /* --- HEADER --- */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 24px 0;
    transition: background var(--transition-base), padding var(--transition-base);
  }
  .header.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .logo {
    display: flex;
    align-items: center;
    height: 52px;
    text-decoration: none;
    color: var(--text-primary);
  }
  .logo img {
    height: 52px;
    width: auto;
    display: block;
  }
  .nav {
    display: flex;
    align-items: center;
    gap: 44px;
  }
  .nav a {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color var(--transition-fast);
    position: relative;
  }
  .nav a:hover, .nav a.active {
    color: var(--text-primary);
  }
  .nav a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent-brand);
  }
  .theme-toggle {
    background: none;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    margin-left: 12px;
    flex-shrink: 0;
  }
  .theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--border-visible);
  }
  .theme-toggle svg { width: 18px; height: 18px; }
  .theme-toggle .icon-sun { display: none; }
  [data-theme="light"] .theme-toggle .icon-moon { display: none; }
  [data-theme="light"] .theme-toggle .icon-sun { display: block; }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
  }
  .btn:focus-visible {
    outline: 2px solid var(--accent-brand);
    outline-offset: 2px;
  }
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--accent-brand);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
  }
  .btn-primary {
    background: var(--accent-brand);
    color: #0a0a0a;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
  }
  .btn-primary:hover {
    background: var(--accent-brand-dim);
  }
  .btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 12px 24px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
  }
  .btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--border-visible);
    background: var(--bg-hover);
  }

  /* --- HERO --- */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 56px;
    position: relative;
  }
  .hero-grid {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.03;
  }
  .hero-grid-line {
    position: absolute;
    background: var(--text-primary);
  }
  .hero-grid-line.h { height: 1px; left: 0; right: 0; }
  .hero-grid-line.v { width: 1px; top: 0; bottom: 0; }

  .hero-label {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.12em;
    margin-bottom: 32px;
  }
  .hero-title {
    font-family: var(--font-display);
    font-size: clamp(44px, 6vw, 80px);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 8px;
  }
  .hero-title em {
    font-style: normal;
    font-weight: 600;
    color: var(--accent-brand);
  }
  .hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin-top: 32px;
    letter-spacing: -0.01em;
  }
  .hero-actions {
    margin-top: 36px;
    display: flex;
    gap: 16px;
    align-items: center;
  }
  .hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .hero-scroll span {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
  .hero-scroll-line {
    width: 1px;
    height: 40px;
    background: var(--border-default);
    animation: scrollPulse 2s ease-in-out infinite;
  }
  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
  }
  .hero-banner {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 0;
    pointer-events: none;
    opacity: 0.85;
  }
  .hero-banner-light { display: none; }
  [data-theme="light"] .hero-banner-dark { display: none; }
  [data-theme="light"] .hero-banner-light { display: block; }
  @media (max-width: 768px) {
    .hero-banner { opacity: 0.1; }
  }
  .hero .container {
    position: relative;
    z-index: 1;
  }

  /* --- SECTION --- */
  .section {
    padding: 100px 0;
    position: relative;
  }
  .section-label {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.14em;
    margin-bottom: 24px;
  }
  .section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 680px;
  }
  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 48px;
  }
  .section-header-left {
    flex: 1;
    min-width: 0;
  }

  /* --- Section Decor (right-side large word + geometry) --- */
  .section-decor {
    flex-shrink: 0;
    position: relative;
    width: 240px;
    height: 160px;
    user-select: none;
    cursor: default;
    margin-top: 4px;
    overflow: visible;
  }
  .section-decor-word {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--text-primary);
    opacity: 0.028;
    position: absolute;
    right: -8px;
    bottom: -14px;
    line-height: 0.72;
    letter-spacing: 0.1em;
    white-space: nowrap;
    pointer-events: none;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .section-decor:hover .section-decor-word {
    opacity: 0.065;
  }
  .section-decor-geo {
    position: absolute;
    opacity: 0.22;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .section-decor:hover .section-decor-geo {
    opacity: 0.48;
  }
  /* Shape: dot */
  .geo-dot {
    border-radius: 50%;
    background: var(--text-tertiary);
  }
  /* Shape: ring (hollow circle) */
  .geo-ring {
    border-radius: 50%;
    border: 1.5px solid var(--text-tertiary);
    background: transparent;
  }
  /* Shape: cross — uses ::before/::after for two bars */
  .geo-cross {
    position: absolute;
  }
  .geo-cross::before,
  .geo-cross::after {
    content: '';
    position: absolute;
    background: var(--text-tertiary);
  }
  .geo-cross::before {
    width: 100%;
    height: 1.5px;
    top: 50%;
    left: 0;
    margin-top: -0.75px;
  }
  .geo-cross::after {
    width: 1.5px;
    height: 100%;
    left: 50%;
    top: 0;
    margin-left: -0.75px;
  }
  /* Shape: diamond — clip-path so transform stays free for hover */
  .geo-diamond {
    background: var(--text-tertiary);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  }

  /* Hover micro-moves — each geo child gets a different drift */
  .section-decor:hover .section-decor-geo:nth-of-type(1) { transform: translate(5px, -5px) scale(1.18); }
  .section-decor:hover .section-decor-geo:nth-of-type(2) { transform: translate(-4px, 4px); }
  .section-decor:hover .section-decor-geo:nth-of-type(3) { transform: rotate(15deg) translate(2px, -3px) scale(1.12); }
  .section-decor:hover .section-decor-geo:nth-of-type(4) { transform: translate(3px, -2px) scale(1.2); }
  .section-decor:hover .section-decor-geo:nth-of-type(5) { transform: translate(-3px, -4px) scale(1.15); }
  .section-decor:hover .section-decor-geo:nth-of-type(6) { transform: translate(4px, 3px) scale(1.22); }

  /* --- WORKS: FEATURED + GRID --- */

  /* 3D perspective wrapper */
  .works-feature-wrap {
    perspective: 1200px;
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
  }
  .works-feature {
    display: block;
    text-decoration: none;
    color: inherit;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 21 / 9;
    cursor: pointer;
    border: 1px solid var(--border-subtle);
    background: var(--bg-root);
    isolation: isolate;
    transform-style: preserve-3d;
    transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.7s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  }
  .works-feature:hover {
    box-shadow: 0 24px 64px rgba(0,0,0,0.22), 0 4px 16px rgba(0,0,0,0.12);
  }
  /* Inner glow border on hover */
  .works-feature::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    z-index: 0;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(205,0,13,0);
    transition: box-shadow 0.6s ease;
  }
  .works-feature-wrap:hover .works-feature::after {
    box-shadow: inset 0 0 0 1px rgba(205,0,13,0.25);
  }
  .works-feature-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: translateZ(0) scale(1.08);
    transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .works-feature-wrap:hover .works-feature-img {
    transform: translateZ(0) scale(1.0);
  }
  /* Glare / light sweep */
  .works-feature-glare {
    position: absolute;
    inset: 0;
    z-index: 6;
    pointer-events: none;
    border-radius: inherit;
    background: radial-gradient(
      circle at var(--glare-x, 50%) var(--glare-y, 50%),
      rgba(255,255,255,0.18) 0%,
      rgba(255,255,255,0.06) 35%,
      transparent 60%
    );
    opacity: 0;
    transition: opacity 0.35s ease;
  }
  .works-feature-wrap:hover .works-feature-glare {
    opacity: 1;
  }
  .works-feature-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
      180deg,
      transparent 35%,
      rgba(0,0,0,0.08) 55%,
      rgba(0,0,0,0.55) 100%
    );
    pointer-events: none;
    z-index: 1;
    transform: translateZ(1px);
  }
  .works-feature-badge {
    position: absolute;
    top: 28px;
    left: 32px;
    z-index: 3;
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.1em;
    padding: 6px 18px;
    border-radius: 100px;
    background: var(--accent-brand);
    color: #fff;
    animation: badge-glow 2.4s ease-in-out infinite;
    display: flex;
    align-items: center;
    gap: 6px;
    transform: translateZ(20px);
  }
  .works-feature-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
    animation: badge-dot 1.2s ease-in-out infinite;
  }
  @keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(205,0,13,0.5); }
    50% { box-shadow: 0 0 0 10px rgba(205,0,13,0); }
  }
  @keyframes badge-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.6); }
  }
  .works-feature-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 44px 40px 40px;
    z-index: 2;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    transform: translateZ(12px);
  }
  .works-feature-text { flex: 1; min-width: 0; }
  .works-feature-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 400;
    color: #fff;
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1.2;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  }
  .works-feature-sub {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.65);
    margin-top: 10px;
    text-shadow: 0 1px 6px rgba(0,0,0,0.3);
  }
  .works-feature-arrow {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: all 0.35s ease;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(8px);
    opacity: 0;
    transform: translateX(12px);
    text-shadow: none;
  }
  .works-feature-wrap:hover .works-feature-arrow {
    opacity: 1;
    transform: translateX(0);
    border-color: rgba(255,255,255,0.6);
  }
  .works-feature-arrow:hover {
    background: var(--accent-brand);
    border-color: var(--accent-brand);
  }
  .works-feature-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-brand);
    z-index: 4;
    transition: width 0.55s cubic-bezier(0.22, 0.1, 0.16, 1);
    transform: translateZ(1px);
  }
  .works-feature-wrap:hover .works-feature-line {
    width: 100%;
  }

  /* Remaining works grid */
  .works-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .work-card {
    background: var(--bg-surface);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    position: relative;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
  }
  .work-card:hover {
    background: var(--bg-elevated);
    transform: translateY(-4px);
    border-color: var(--border-visible);
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  }
  .work-thumb {
    width: 100%;
    aspect-ratio: 600 / 379;
    overflow: hidden;
    position: relative;
    background: var(--bg-root);
    flex-shrink: 0;
  }
  .work-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--transition-slow);
  }
  .work-card:hover .work-thumb-img {
    transform: scale(1.05);
  }
  .work-info {
    padding: 16px 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .work-card-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 400;
    letter-spacing: -0.02em;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    transition: color var(--transition-fast);
  }
  .work-card:hover .work-card-name {
    color: var(--accent-brand);
  }
  .work-card-tag {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--text-tertiary);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.01em;
    transition: color var(--transition-fast);
  }
  .work-card:hover .work-card-tag {
    color: var(--text-secondary);
  }

  .works-more {
    margin-top: 36px;
    text-align: center;
  }

  /* --- JOURNAL --- */
  .journal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .journal-card {
    background: var(--bg-surface);
    padding: 32px 36px 36px;
    cursor: pointer;
    transition: background var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    position: relative;
  }
  .journal-card:hover {
    background: var(--bg-elevated);
  }
  .journal-card-date {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
    margin-bottom: 24px;
    transition: color var(--transition-fast);
  }
  .journal-card:hover .journal-card-date {
    color: var(--accent-brand);
  }
  .journal-card-title {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.2vw, 28px);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 20px;
    transition: color var(--transition-fast);
  }
  .journal-card:hover .journal-card-title {
    color: var(--accent-brand);
  }
  .journal-card-excerpt {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    flex: 1;
  }
  .journal-card-arrow {
    position: absolute;
    bottom: 56px;
    right: 52px;
    color: var(--text-tertiary);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-base);
  }
  .journal-card:hover .journal-card-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--accent-brand);
  }
  .journal-card-arrow svg {
    width: 20px;
    height: 20px;
  }
  .journal-more {
    margin-top: 36px;
    text-align: center;
  }

  /* --- ABOUT --- */
  .about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 56px;
    align-items: start;
  }
  .about-lead {
    font-family: var(--font-display);
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 300;
    line-height: 1.5;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 40px;
  }
  .about-body {
    font-size: clamp(16px, 1.6vw, 18px);
    color: var(--text-secondary);
    line-height: 2;
  }
  .about-body p + p {
    margin-top: 24px;
  }
  .about-side {
    padding-top: 8px;
  }
  .about-side-label {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .about-services {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .about-services li {
    font-family: var(--font-display);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .about-services li::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-brand);
    flex-shrink: 0;
  }
  .about-side-note {
    margin-top: 32px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 300;
    color: var(--text-tertiary);
    letter-spacing: -0.01em;
    padding-top: 20px;
    border-top: 1px solid var(--border-subtle);
  }

  /* --- CTA --- */
  .cta-section {
    text-align: center;
    padding: 100px 0;
    border-top: 1px solid var(--border-subtle);
  }
  .cta-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4.5vw, 46px);
    font-weight: 300;
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
  }
  .cta-title em {
    font-style: normal;
    font-weight: 600;
    color: var(--accent-brand);
  }
  .cta-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    max-width: 800px;
    margin: 0 auto 56px;
  }
  .cta-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: 0 auto 56px;
  }
  .cta-point {
    background: var(--bg-surface);
    padding: 40px 32px;
    text-align: left;
    transition: background var(--transition-base);
  }
  .cta-point:hover {
    background: var(--bg-elevated);
  }
  .cta-point-icon {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent-brand);
    letter-spacing: 0.06em;
    margin-bottom: 20px;
  }
  .cta-point h4 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
  }
  .cta-point p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
  }
  .cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 0;
  }
  .cta-actions .btn {
    font-size: 26px;
    padding: 22px 72px;
    letter-spacing: 0.08em;
    border-radius: var(--radius-lg);
    position: relative;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    box-shadow: 0 0 0 0 rgba(205,0,13,0.45);
    animation: cta-glow 3s ease-in-out infinite;
  }
  .cta-actions .btn::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    border: 2px solid var(--accent-brand);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
    pointer-events: none;
  }
  .cta-actions .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 48px rgba(205,0,13,0.3), 0 12px 36px rgba(205,0,13,0.12);
    animation: none;
  }
  .cta-actions .btn:hover::after {
    opacity: 1;
    inset: -5px;
  }
  @keyframes cta-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(205,0,13,0.45); }
    50% { box-shadow: 0 0 28px rgba(205,0,13,0.2), 0 0 56px rgba(205,0,13,0.06); }
  }
  .cta-actions-hint {
    font-size: 17px;
    color: var(--text-secondary);
    margin: 0;
  }
  .cta-actions-sub {
    font-size: 15px;
    color: var(--text-tertiary);
    margin: 0;
  }

  /* --- HERO DECOR --- */
  .hero-decor {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 46%;
    max-width: 760px;
    pointer-events: none;
    opacity: 0.35;
    z-index: 0;
  }
  .hero-decor svg {
    width: 100%;
    height: auto;
  }

  /* --- STATS STRIP --- */
  .stats-strip {
    padding: 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }
  .stat-item {
    padding: 44px 32px;
    text-align: center;
    position: relative;
  }
  .stat-item + .stat-item {
    border-left: 1px solid var(--border-subtle);
  }
  .stat-number {
    font-family: var(--font-display);
    font-size: clamp(36px, 4vw, 60px);
    font-weight: 300;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
  }
  .stat-number sup {
    font-size: 0.45em;
    font-weight: 400;
    color: var(--accent-brand);
    vertical-align: super;
    margin-left: 2px;
  }
  .stat-label {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
  }

  /* --- FEATURED JOURNAL --- */
  .journal-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    direction: rtl;
    gap: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 32px;
    cursor: pointer;
    transition: border-color var(--transition-base);
    text-decoration: none;
    color: inherit;
  }
  .journal-featured > * {
    direction: ltr;
  }
  .journal-featured:hover {
    border-color: var(--border-visible);
    box-shadow: 0 12px 48px rgba(0,0,0,0.18);
  }
  .journal-featured-img {
    overflow: hidden;
    background: var(--bg-root);
    position: relative;
    aspect-ratio: 900 / 500;
  }
  .journal-featured-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.25) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
  }
  .journal-featured:hover .journal-featured-img::after {
    opacity: 1;
  }
  .journal-featured-img .img-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1816 0%, #141618 60%, #181a1c 100%);
  }
  .journal-featured-img .img-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(205,0,13,0.04) 23px, rgba(205,0,13,0.04) 24px);
  }
  .journal-featured-img .img-label {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
    background: var(--bg-root);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
  }
  .journal-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .journal-featured:hover .journal-featured-img img {
    transform: scale(1.06);
  }
  .journal-featured-content {
    padding: 56px 52px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid var(--border-subtle);
    transition: border-color 0.3s ease;
  }
  .journal-featured:hover .journal-featured-content {
    border-left-color: var(--border-visible);
  }
  .journal-featured-badge {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent-brand);
    letter-spacing: 0.14em;
    margin-bottom: 28px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .journal-featured-badge::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--accent-brand);
    transition: width 0.35s ease;
  }
  .journal-featured:hover .journal-featured-badge::before {
    width: 40px;
  }
  .journal-featured-date {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
  }
  .journal-featured-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 2.8vw, 38px);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 20px;
    transition: color 0.3s ease, transform 0.35s ease;
  }
  .journal-featured:hover .journal-featured-title {
    color: var(--accent-brand);
    transform: translateX(4px);
  }
  .journal-featured-excerpt {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.85;
    max-width: 480px;
  }

  /* --- PROCESS --- */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .process-step {
    background: var(--bg-surface);
    padding: 56px 40px;
    position: relative;
    transition: background var(--transition-base);
  }
  .process-step:hover {
    background: var(--bg-elevated);
  }
  .process-step-num {
    display: none;
  }
  .process-step-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    margin-bottom: 28px;
    color: var(--text-tertiary);
    transition: all var(--transition-base);
  }
  .process-step:hover .process-step-icon {
    border-color: var(--accent-brand-dim);
    color: var(--accent-brand);
  }
  .process-step-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
  }
  .process-step-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* --- CAPABILITIES MARQUEE --- */
  .marquee-section {
    overflow: hidden;
    padding: 80px 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
  }
  .marquee-track {
    display: flex;
    gap: 40px;
    width: max-content;
    animation: marquee 40s linear infinite;
  }
  .marquee-item {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.04em;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 56px;
    transition: color var(--transition-fast);
  }
  .marquee-item:hover {
    color: var(--text-primary);
  }
  .marquee-item::after {
    content: '';
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border-visible);
    flex-shrink: 0;
  }
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* --- ABOUT IMAGE --- */
  .about-image {
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    aspect-ratio: 16/6;
    background: var(--bg-surface);
    position: relative;
  }
  .about-image .img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #14161a 0%, #161418 40%, #181a14 70%, #14181a 100%);
    position: relative;
  }
  .about-image .img-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
      linear-gradient(to right, rgba(205,0,13,0.03) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 48px 48px;
  }
  .about-image .img-label {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
    background: rgba(10,10,10,0.8);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
  }
  .about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }

  
/* --- DARK THEME --- */
[data-theme="dark"] {
  --bg-root: #0a0a0a;
  --bg-surface: #14161a;
  --bg-elevated: #181a1c;
  --bg-hover: #1a1a1e;
  --border-subtle: #222;
  --border-default: #333;
  --border-visible: #555;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a09a;
  --text-tertiary: #6e6e68;
  --accent-brand: #cd000d;
  --accent-brand-dim: #e6202d;
  --accent-steel: #5a6068;
  color-scheme: dark;
}
[data-theme="dark"] ::selection {
  background: rgba(205, 0, 13, 0.25);
  color: var(--text-primary);
}
[data-theme="dark"] ::-webkit-scrollbar-track { background: var(--bg-root); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--border-visible); }
[data-theme="dark"] .header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-bottom-color: var(--border-subtle);
}
[data-theme="dark"] .hero-grid-line { background: var(--border-default); opacity: 0.15; }
[data-theme="dark"] .hero-decor { opacity: 0.12; }
[data-theme="dark"] .hero-decor svg circle,
[data-theme="dark"] .hero-decor svg line,
[data-theme="dark"] .hero-decor svg rect { stroke: #444 !important; }
[data-theme="dark"] .hero-decor svg rect { fill: rgba(158,111,58,0.04) !important; }
[data-theme="dark"] .hero-decor svg circle[fill] { fill: rgba(158,111,58,0.25) !important; }

/* --- LIGHT THEME --- */
  [data-theme="light"] {
    --bg-root: #f6f6f4;
    --bg-surface: #ffffff;
    --bg-elevated: #fafaf8;
    --bg-hover: #f0f0ee;
    --border-subtle: #e8e8e4;
    --border-default: #d4d4d0;
    --border-visible: #b0b0aa;
    --text-primary: #1a1a18;
    --text-secondary: #4a4a46;
    --text-tertiary: #6e6e68;
    --accent-brand: #cd000d;
    --accent-brand-dim: #e6202d;
    --accent-steel: #5a6068;
    color-scheme: light;
  }
  [data-theme="light"] ::selection {
    background: rgba(205, 0, 13, 0.15);
    color: var(--text-primary);
  }
  [data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg-root); }
  [data-theme="light"] ::-webkit-scrollbar-thumb { background: var(--border-visible); }
  [data-theme="light"] .header.scrolled {
    background: rgba(246,246,244,0.92);
    border-bottom-color: var(--border-subtle);
  }
  [data-theme="light"] .hero-grid-line { background: var(--border-default); opacity: 0.5; }
  [data-theme="light"] .hero-decor { opacity: 0.18; }
  [data-theme="light"] .hero-decor svg circle,
  [data-theme="light"] .hero-decor svg line,
  [data-theme="light"] .hero-decor svg rect { stroke: #ccc !important; }
  [data-theme="light"] .hero-decor svg rect { fill: rgba(158,111,58,0.06) !important; }
  [data-theme="light"] .hero-decor svg circle[fill] { fill: rgba(158,111,58,0.35) !important; }

  /* --- FOOTER --- */
  .footer {
    padding: 80px 0 0;
    border-top: 1px solid var(--border-subtle);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 1.2fr 1.2fr;
    gap: 48px;
    padding-bottom: 56px;
  }
  /* Brand */
  .footer-col-brand h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
  }
  .footer-logo-img {
    height: 48px;
    width: auto;
    display: block;
    margin-bottom: 16px;
  }
  .footer-col-brand .footer-tagline {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 12px;
  }
  .footer-col-brand .footer-slogan {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.06em;
    line-height: 1.7;
    margin: 0;
  }
  .footer-tagline em {
    font-style: normal;
    color: var(--accent-brand);
  }
  /* Nav & Contact columns */
  .footer-col-label {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    margin: 0 0 18px;
  }
  .footer-col-nav a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color var(--transition-fast);
    letter-spacing: -0.01em;
  }
  .footer-col-nav a:hover {
    color: var(--accent-brand);
  }
  .footer-contact-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
  }
  .footer-contact-grid a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  .footer-contact-grid a:hover {
    color: var(--accent-brand);
  }
  .footer-contact-item, .footer-contact-icon, .footer-contact-wechat {
    display: none;
  }
  /* Social / QR */
  .footer-qr-row {
    display: flex;
    gap: 24px;
  }
  .footer-qr-item {
    text-align: center;
  }
  .footer-qr-placeholder {
    width: 88px;
    height: 88px;
    margin: 0 auto 10px;
    background: var(--bg-surface);
    border: 1px dashed var(--border-visible);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.06em;
    line-height: 1.6;
    transition: border-color var(--transition-fast);
  }
  .footer-qr-img {
    width: 88px;
    height: 88px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    margin: 0 auto 10px;
    display: block;
  }
  .footer-contact-wechat {
    font-size: 14px;
    color: var(--text-tertiary);
    display: block;
    margin-top: 2px;
    padding-left: 26px;
  }
  .footer-qr-label {
    font-size: 14px;
    color: var(--text-tertiary);
  }
  /* Bottom bar */
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px 0;
    border-top: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-tertiary);
    letter-spacing: 0.04em;
  }
  .footer-bottom-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .footer-bottom-divider {
    color: var(--border-visible);
    font-family: inherit;
  }
  .footer-bottom a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  .footer-bottom a:hover {
    color: var(--text-secondary);
  }

  /* --- ANIMATION --- */
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* --- TABLET --- */
  @media (max-width: 1024px) {
    .container {
      padding: 0 32px;
    }
    .section-decor {
      display: none;
    }
    .works-feature {
      aspect-ratio: 16 / 9;
    }
    .works-feature-title {
      font-size: 26px;
    }
    .works-feature-content {
      padding: 36px 32px 32px;
    }
    .works-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }
    .journal-grid {
      grid-template-columns: 1fr;
    }
    .journal-featured {
      grid-template-columns: 1fr;
    }
    .journal-featured-img {
      aspect-ratio: 900 / 500;
    }
    .journal-featured-content {
      padding: 36px 32px;
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .stat-item:nth-child(odd) {
      border-bottom: 1px solid var(--border-subtle);
    }
    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .cta-points {
      grid-template-columns: 1fr 1fr 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .about-grid {
      gap: 40px;
    }
  }

  /* --- MOBILE --- */
  @media (max-width: 768px) {
    .container {
      padding: 0 24px;
    }
    .nav {
      display: none;
    }
    .hero {
      min-height: auto;
      padding-top: 100px;
      padding-bottom: 50px;
    }
    .hero-title {
      font-size: 34px;
    }
    .works-feature-wrap {
      margin-bottom: 20px;
    }
    .works-feature {
      aspect-ratio: 4 / 3;
      border-radius: var(--radius-md);
    }
    .works-feature-title {
      font-size: 22px;
    }
    .works-feature-sub {
      font-size: 14px;
      margin-top: 6px;
    }
    .works-feature-badge {
      top: 18px;
      left: 20px;
      font-size: 14px;
      padding: 5px 14px;
    }
    .works-feature-content {
      padding: 28px 24px 28px;
    }
    .works-feature-arrow {
      width: 40px;
      height: 40px;
      font-size: 16px;
    }
    .works-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }
    .work-info {
      padding: 16px 18px;
    }
    .work-card-name {
      font-size: 17px;
    }
    .journal-grid {
      grid-template-columns: 1fr;
      border-radius: var(--radius-md);
    }
    .journal-card {
      padding: 36px 28px 40px;
    }
    .journal-card-title {
      font-size: 19px;
    }
    .journal-card-excerpt {
      font-size: 15px;
    }
    .journal-card-arrow {
      bottom: 40px;
      right: 28px;
      opacity: 0.5;
      transform: translateX(0);
    }
    .about-grid {
      grid-template-columns: 1fr;
      gap: 48px;
    }
    .about-lead {
      font-size: 19px;
      margin-bottom: 28px;
    }
    .about-services li {
      font-size: 17px;
    }
    .section {
      padding: 64px 0;
    }
    .cta-section {
      padding: 64px 0;
    }
    .cta-points {
      grid-template-columns: 1fr;
      max-width: 400px;
    }
    .cta-point {
      padding: 32px 28px;
    }
    .hero-actions {
      flex-direction: column;
      align-items: flex-start;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    .footer-qr-row {
      gap: 20px;
    }
    .footer-qr-placeholder {
      width: 80px;
      height: 80px;
    }
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }
    .hero-decor {
      width: 80%;
      right: -20%;
      opacity: 0.18;
      top: 40%;
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .stat-item {
      padding: 36px 20px;
      border-bottom: 1px solid var(--border-subtle);
    }
    .stat-item:nth-child(even) {
      border-left: 1px solid var(--border-subtle);
    }
    .stat-number {
      font-size: 32px;
    }
    .process-grid {
      grid-template-columns: 1fr;
      border-radius: var(--radius-md);
    }
    .process-step {
      padding: 36px 24px;
    }
    .journal-featured {
      grid-template-columns: 1fr;
      border-radius: var(--radius-md);
    }
    .journal-featured-img {
      aspect-ratio: 900 / 500;
    }
    .journal-featured-content {
      padding: 36px 28px;
    }
    .journal-featured-title {
      font-size: 20px;
    }
    .marquee-track {
      gap: 32px;
    }
    .marquee-item {
      font-size: 15px;
      gap: 32px;
    }
    .cta-actions .btn {
      font-size: 20px;
      padding: 18px 48px;
    }
    .cta-actions-hint {
      font-size: 15px;
    }
    .cta-actions-sub {
      font-size: 14px;
    }
    .about-image {
      aspect-ratio: 16/4;
      margin-bottom: 32px;
    }
  }

  /* --- REDUCED MOTION --- */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
      scroll-behavior: auto !important;
    }
    .marquee-track {
      animation: none !important;
    }
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
  }

  /* ===== HAMBURGER ===== */
  .hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
  }
  .hamburger-line {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: all 0.3s ease;
  }
  .hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  .hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  /* ===== MOBILE NAV ===== */
  .mobile-nav {
    position: fixed;
    inset: 0;
    background: var(--bg-root);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }
  .mobile-nav.open { opacity: 1; pointer-events: auto; }
  .mobile-nav a {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.04em;
    padding: 8px 0;
    transition: color 0.2s ease;
  }
  .mobile-nav a:hover,
  .mobile-nav a.active { color: var(--accent-brand); }
  .mobile-nav .theme-toggle-mobile {
    margin-top: 24px;
    background: none;
    border: 1px solid var(--border-default);
    border-radius: 20px;
    width: 48px;
    height: 28px;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 4px;
  }
  .mobile-nav .theme-toggle-mobile i {
    font-size: 14px;
    position: absolute;
    transition: all 0.3s ease;
  }
  .mobile-nav .theme-toggle-mobile .ri-moon-fill { left: 6px; color: var(--text-tertiary); }
  .mobile-nav .theme-toggle-mobile .ri-sun-fill { right: 6px; color: var(--accent-brand); }
  [data-theme="light"] .mobile-nav .theme-toggle-mobile .ri-moon-fill { color: var(--accent-brand); }
  [data-theme="light"] .mobile-nav .theme-toggle-mobile .ri-sun-fill { color: var(--text-tertiary); }

  @media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav { display: none; }
  }

@media (max-width: 1024px) {
  .about-hero-grid { gap: 48px; }
  .about-hero-title { font-size: 40px; }
  .about-hero-punchline { font-size: 26px; }
  .about-hero-stats { gap: 40px; }
  .about-services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-cta-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .about-hero { padding: 120px 0 64px; }
  .about-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-hero-title { font-size: 32px; }
  .about-hero-punchline { font-size: 22px; }
  .about-hero-stats { flex-wrap: wrap; gap: 32px; }
  .about-hero-stat-num { font-size: 32px; }
  .about-services-grid { grid-template-columns: 1fr 1fr; }
  .about-cta-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-cta-headline { font-size: 36px; min-height: 56px; }
  .about-cta-cursor { height: 34px; }
  .wf-row { grid-template-columns: 1fr; gap: 12px; }
  .wf-connector { display: none; }
}

/* ===== Page-specific CSS (extracted from HTML files) ===== */

/* Reveal animation — shared across all pages */
.reveal{opacity:1!important;transform:none!important;}

/* --- ABOUT PAGE HERO --- */
.about-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}
.about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 1200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-visible), transparent);
  opacity: 0.5;
}
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-hero-text { position: relative; }
.about-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.about-hero-title-line { display: block; }
.about-hero-accent {
  color: var(--accent-brand);
  font-weight: 600;
}
.about-hero-punchline {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-secondary);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.about-hero-symbol { color: var(--accent-brand); display: inline-block; }
.about-hero-lead {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
}
.about-hero-stats { display: flex; gap: 64px; margin-bottom: 32px; }
.about-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.3s ease;
  cursor: default;
}
.about-hero-stat:hover { transform: translateY(-4px); }
.about-hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  transition: color 0.3s ease;
}
.about-hero-stat:hover .about-hero-stat-num {
  color: var(--accent-brand);
}
.about-hero-stat-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
  transition: color 0.3s ease;
}
.about-hero-stat:hover .about-hero-stat-label { color: var(--text-secondary); }
.about-hero-note {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  display: inline-block;
}
.about-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 图片容器：点阵背景 + 扫描线 */
.about-hero-img-wrap {
  position: relative;
  display: inline-block;
}
/* 点阵粒子背景 */
.about-hero-img-wrap::before {
  content: '';
  position: absolute;
  inset: -80px -80px -48px -80px;
  z-index: 0;
  background-image: radial-gradient(circle, var(--accent-brand-dim) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 90% 75% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 50%, black 30%, transparent 80%);
  opacity: 0.35;
  pointer-events: none;
}
.about-hero-img {
  width: 75%;
  height: auto;
  display: block;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* --- ABOUT SERVICES --- */
.about-services-block {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}
.about-services-header {
  text-align: center;
  margin-bottom: 48px;
}
.about-services-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.about-services-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}
.about-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-svc-card {
  background: var(--bg-surface);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition-base);
  cursor: default;
}
.about-svc-card:hover {
  background: var(--bg-elevated);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.18);
  z-index: 2;
  border-color: var(--accent-brand-dim);
}
.about-svc-card:hover::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent-brand-dim);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
}
.about-svc-theme {
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-brand);
  letter-spacing: 0.1em;
  opacity: 0.6;
}
.about-svc-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  color: var(--text-tertiary);
  transition: all var(--transition-base);
}
.about-svc-card:hover .about-svc-icon {
  border-color: var(--accent-brand-dim);
  color: var(--accent-brand);
}
.about-svc-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.about-svc-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 16px;
}
.about-svc-tooltip {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

/* --- ABOUT PAGE RESPONSIVE --- */
@media (max-width: 1024px) {
  .about-hero { padding: 140px 0 64px; }
  .about-hero-grid { gap: 48px; }
  .about-hero-title { font-size: 40px; }
  .about-hero-punchline { font-size: 26px; }
  .about-hero-stats { gap: 40px; }
  .about-services-grid {
    grid-template-columns: repeat(2, 1fr);
    border-radius: var(--radius-md);
  }
  .about-svc-card { padding: 36px 28px; }
}
@media (max-width: 768px) {
  .about-hero { padding: 120px 0 64px; }
  .about-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-hero-title { font-size: 32px; }
  .about-hero-punchline { font-size: 22px; }
  .about-hero-stats { flex-wrap: wrap; gap: 32px; }
  .about-hero-stat-num { font-size: 32px; }
  .about-services-grid { grid-template-columns: 1fr; }
  .about-services-block { padding: 64px 0; }
}

/* --- WORK DETAIL PAGE --- */
.work-detail-hero {
  padding: 160px 0 48px;
}
.work-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
  transition: color var(--transition-fast);
}
.work-detail-back:hover { color: var(--text-primary); }
.work-detail-back::before {
  content: '←';
  font-size: 16px;
}
.work-detail-body {
  max-width: var(--content-narrow);
  margin: 0 auto;
}
.work-detail-hero-image {
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-bottom: 48px;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.work-detail-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.work-detail-hero-image .img-placeholder {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.06em;
}
@media (max-width: 768px) {
  .work-detail-hero { padding: 120px 0 32px; }
  .work-detail-hero-image { aspect-ratio: 4/3; border-radius: var(--radius-md); }
}

/* --- JOURNAL DETAIL PAGE --- */
.journal-detail-hero {
  padding: 160px 0 48px;
  position: relative;
}
.journal-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
  transition: color var(--transition-fast);
}
.journal-detail-back:hover { color: var(--text-primary); }
.journal-detail-back::before {
  content: '←';
  font-size: 16px;
}
.journal-detail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
}
.journal-detail-sidebar {
  position: sticky;
  top: 120px;
}
.journal-detail-toc {
  padding: 24px 0;
  border-right: 1px solid var(--border-subtle);
}
.journal-detail-toc-label {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 24px;
}
.journal-detail-toc a {
  display: block;
  font-size: 15px;
  color: var(--text-tertiary);
  text-decoration: none;
  padding: 7px 0;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  padding-left: 14px;
  line-height: 1.4;
}
.journal-detail-toc a:hover {
  color: var(--text-primary);
}
.journal-detail-toc a.toc-active {
  color: var(--accent-brand);
  border-left-color: var(--accent-brand);
}
.journal-detail-toc a.toc-h3 {
  padding-left: 28px;
  font-size: 14px;
}
@media (max-width: 768px) {
  .journal-detail-hero { padding: 120px 0 32px; }
}


/* ===== WORK PAGE ===== */
.work-hero {
  padding: 160px 0 32px;
  position: relative;
  overflow: hidden;
}
/* 整块背景光晕 — 双层叠加更柔和 */
.work-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -120px;
  width: 900px;
  height: 700px;
  background:
    radial-gradient(ellipse 50% 40% at 60% 45%, rgba(205,0,13,0.04) 0%, transparent 65%),
    radial-gradient(ellipse 40% 35% at 55% 50%, rgba(205,0,13,0.025) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.work-hero-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.work-hero-left {
  flex: 1;
  min-width: 0;
  padding-top: 32px;
}
.work-hero-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 20px;
}
.work-hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
}

/* WORKS 呼吸动画 — 纯红停留4秒 */
.work-decor-word {
  font-weight: 500;
  letter-spacing: 0.04em;
  animation: workBreathe 12s ease-in-out infinite;
}
@keyframes workBreathe {
  0%, 12% {
    opacity: 0.025;
    color: var(--text-primary);
  }
  22% {
    opacity: 1;
    color: var(--accent-brand);
  }
  55% {
    opacity: 1;
    color: var(--accent-brand);
  }
  65% {
    opacity: 0.025;
    color: var(--text-primary);
  }
  100% {
    opacity: 0.025;
    color: var(--text-primary);
  }
}

.work-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}
.work-filter-btn {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  padding: 8px 20px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
}
.work-filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-visible);
}
.work-filter-btn.active {
  color: var(--text-primary);
  border-color: var(--accent-brand);
  background: rgba(205, 0, 13, 0.08);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-item {
  transition: opacity 0.4s ease, transform 0.4s ease;
  min-width: 0;
}
.work-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  background: var(--bg-surface);
  border: none;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  transition: all var(--transition-base);
}
.work-link:hover {
  background: var(--bg-elevated);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.28);
}
.work-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0;
  transition: color var(--transition-fast);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.work-link:hover .work-title {
  color: var(--accent-brand);
}
.work-cat {
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}
.work-placeholder-note {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
  margin-top: 48px;
  letter-spacing: 0.04em;
}

@media (max-width: 1024px) {
  .work-hero { padding: 140px 0 48px; }
  .work-hero::before { width: 500px; height: 400px; top: -100px; right: -60px; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .work-hero { padding: 120px 0 40px; }
  .work-hero::before { width: 300px; height: 240px; top: -60px; right: -30px; }
  .work-hero-inner { flex-direction: column; gap: 24px; }
  .section-decor { display: none; }
  .work-grid { grid-template-columns: 1fr; gap: 14px; }
  .work-filter { gap: 6px; margin-bottom: 32px; }
  .work-filter-btn { font-size: 14px; padding: 6px 16px; }
}

/* ===== JOURNAL PAGE ===== */
/* Journal list page — clean list */

/* Particle separator */
.journal-sep {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 48px;
  height: 2px;
}
.journal-sep-line {
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}
.journal-sep-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-brand);
  opacity: 0;
  animation: sepPulse 2.4s ease-in-out infinite;
}
.journal-sep-dot:nth-child(2) { animation-delay: 0.3s; }
.journal-sep-dot:nth-child(3) { animation-delay: 0.6s; }
@keyframes sepPulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  40% { opacity: 0.8; transform: scale(1.6); }
  70% { opacity: 0.2; transform: scale(1); }
}
.journal-list {
  display: flex;
  flex-direction: column;
}
.journal-list-card {
  transition: opacity 0.4s ease, transform 0.4s ease;
  position: relative;
}
/* Hover brush stroke — modern geometric line sweep */
.journal-list-card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -4px;
  width: 0;
  height: 1px;
  background: var(--accent-brand);
  transition: width 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 0;
  opacity: 0;
}
.journal-list-card:hover::before {
  width: 120px;
  opacity: 0.4;
}
.journal-list-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  padding: 36px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
  position: relative;
}
.journal-list-link:hover {
  border-bottom-color: var(--accent-brand);
}
.journal-list-link:hover .journal-list-body {
  transform: translateX(4px);
}
.journal-list-link::after {
  content: '→';
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 300;
  color: var(--accent-brand);
  opacity: 0;
  transform: translateX(-24px);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  margin-left: 40px;
  line-height: 1;
}
.journal-list-link:hover::after {
  opacity: 1;
  transform: translateX(0);
}
.journal-list-body {
  max-width: 760px;
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}
.journal-list-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.journal-list-date {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
}
.journal-list-tag {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-brand);
  letter-spacing: 0.08em;
  padding: 3px 10px;
  background: rgba(205, 0, 13, 0.06);
  border-radius: 100px;
}
.journal-list-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 0 0 10px;
  transition: color 0.3s ease, transform 0.35s ease;
}
.journal-list-link:hover .journal-list-title {
  color: var(--accent-brand);
}
.journal-list-excerpt {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (max-width: 768px) {
  .journal-list-link { padding: 28px 0; }
  .journal-list-title { font-size: 20px; }
}

/* Legacy journal styles (homepage) — keep for now */
.journal-card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.journal-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
}
.journal-card-tag {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-brand);
  letter-spacing: 0.06em;
  padding: 4px 12px;
  background: rgba(205, 0, 13, 0.06);
  border-radius: 100px;
}
/* ===== ABOUT PAGE: 传统 vs AI 加速 + 工具栈 ===== */
.about-compare {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}
.about-compare-header {
  text-align: center;
  margin-bottom: 56px;
}
.about-compare-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.about-compare-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* --- 对比卡片 --- */
.about-compare-cards {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin-bottom: 56px;
}
.about-compare-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all var(--transition-base);
}
.about-compare-card[data-side="ai"] {
  border-color: rgba(var(--accent-brand-rgb, 196 164 108), .25);
  box-shadow: 0 0 0 1px rgba(var(--accent-brand-rgb, 196 164 108), .08);
}
.about-compare-card[data-side="ai"]:hover {
  border-color: var(--accent-brand-dim);
  box-shadow: 0 8px 32px rgba(var(--accent-brand-rgb, 196 164 108), .1);
  transform: translateY(-2px);
}
.about-compare-card-label {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}
.about-compare-card[data-side="old"] .about-compare-card-label {
  color: var(--text-tertiary);
}
.about-compare-card[data-side="ai"] .about-compare-card-label {
  color: var(--accent-brand);
}
.about-compare-rows {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-compare-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 15px;
}
.about-compare-card[data-side="ai"] .about-compare-row {
  border-bottom-color: rgba(var(--accent-brand-rgb, 196 164 108), .1);
}
.about-compare-row:last-child { border-bottom: none; }
.about-compare-val {
  font-family: var(--font-mono);
  font-size: 14px;
}
.about-compare-card[data-side="old"] .about-compare-val {
  color: var(--text-tertiary);
}
.about-compare-card[data-side="ai"] .about-compare-val {
  color: #7ddb8c;
}
.about-compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-brand);
  letter-spacing: 0.05em;
}

/* --- 工具栈 --- */
.about-toolstack {
  text-align: center;
}
.about-toolstack-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.about-toolstack-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  align-items: center;
}
.about-tool-arrow {
  color: var(--border-visible);
  font-size: 14px;
  padding: 0 8px;
  font-family: var(--font-mono);
}
.about-tool-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  transition: all var(--transition-base);
  cursor: default;
}
.about-tool-chip:hover {
  border-color: var(--border-visible);
  background: var(--bg-elevated);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
}
.about-tool-chip--hub {
  border-color: var(--accent-brand-dim);
  background: linear-gradient(135deg, rgba(var(--accent-brand-rgb, 196 164 108), .08), transparent);
  box-shadow: 0 0 24px rgba(var(--accent-brand-rgb, 196 164 108), .06);
}
.about-tool-chip--hub:hover {
  border-color: var(--accent-brand);
  box-shadow: 0 0 32px rgba(var(--accent-brand-rgb, 196 164 108), .12);
}
.about-tool-chip-icon {
  font-size: 18px;
  line-height: 1;
}
.about-tool-chip-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.about-tool-chip--hub .about-tool-chip-name {
  color: var(--accent-brand);
}
.about-tool-chip-role {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}
.about-tool-chip--hub .about-tool-chip-role {
  color: var(--accent-brand);
  opacity: 0.7;
}

/* --- 工具栈响应式 --- */
@media (max-width: 1024px) {
  .about-compare { padding: 64px 0; }
  .about-compare-cards { grid-template-columns: 1fr; gap: 16px; }
  .about-compare-vs { padding: 8px 0; }
  .about-toolstack-flow { gap: 10px; }
  .about-tool-arrow { display: none; }
}
@media (max-width: 768px) {
  .about-compare { padding: 48px 0; }
  .about-compare-card { padding: 28px 24px; }
}

/* CTA Section */
.about-cta {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}
.about-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-cta-kicker {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-brand);
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}
.about-cta-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 24px;
  min-height: 1.3em;
}
.about-cta-typewriter {
  border-right: 2px solid var(--accent-brand);
  animation: blink 0.8s step-end infinite;
}
@keyframes blink {
  50% { border-color: transparent; }
}
.about-cta-cursor {
  display: none;
}
.about-cta-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0;
}

/* Brief box */
.about-cta-brief-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.about-cta-brief-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.about-cta-brief-q {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  margin-top: 20px;
}
.about-cta-brief-q:first-of-type { margin-top: 0; }
.about-cta-brief-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-root);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}
.about-cta-brief-input:focus {
  border-color: var(--accent-brand);
}
.about-cta-brief-input::placeholder {
  color: var(--text-tertiary);
}
.about-cta-brief-submit {
  width: 100%;
  margin-top: 28px;
}
.about-cta-brief-loading {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 20px 0;
  justify-content: center;
}
.about-cta-brief-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-brand);
  animation: dotPulse 1.2s ease-in-out infinite;
}
.about-cta-brief-dot:nth-child(2) { animation-delay: 0.2s; }
.about-cta-brief-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}
.about-cta-brief-result {
  display: none;
  position: relative;
  padding-top: 20px;
}
.about-cta-brief-result-close {
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px 8px;
}
.about-cta-brief-result-close:hover { color: var(--text-primary); }
.about-cta-brief-result-inner {
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
}
.about-cta-brief-result-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
/* State toggles */
.about-cta-brief-form-wrap.hidden { display: none; }
.about-cta-brief-loading.show { display: flex; }
.about-cta-brief-result.show { display: block; }
.about-cta-brief-qr {
  display: none;
  align-items: center;
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}
.about-cta-brief-qr.show { display: flex; }
.about-cta-brief-qr-frame {
  width: 100px;
  height: 100px;
  background: var(--bg-root);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: center;
  line-height: 1.5;
}
.about-cta-brief-qr-label {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 500;
}
.btn-secondary:hover {
  background: var(--bg-elevated);
}

@media (max-width: 1024px) {
  .about-cta { padding: 64px 0; }
  .about-cta-grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .about-cta { padding: 48px 0; }
  .about-cta-headline { font-size: 24px; }
  .about-cta-brief-box { padding: 28px 24px; }
}

/* ===== WORK DETAIL PAGE ===== */
.work-detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
}
.work-detail-head-left {
  flex: 1;
  min-width: 0;
}
.work-detail-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.work-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  color: var(--text-secondary);
}
.work-detail-meta-sep { color: var(--border-visible); }
.work-detail-head-right {
  flex-shrink: 0;
}
.work-detail-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-brand);
  letter-spacing: 0.06em;
  padding: 8px 20px;
  border: 1px solid var(--accent-brand-dim);
  border-radius: 100px;
}

/* Description area — 方案C: 品牌红竖线 + 引导语 */
.work-detail-info {
  padding: 48px 0 56px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.work-detail-info-inner {
  border-left: 2px solid var(--accent-brand);
  padding-left: 32px;
}
.work-detail-lead {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0 0 12px;
  padding-left: 12px;
}
.work-detail-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin: 0;
}
.work-detail-bg {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  margin-bottom: 0;
}
.work-detail-approach {
  background: var(--bg-root);
  border-radius: var(--radius-md);
  padding: 16px 12px;
}

/* Image gallery */
.work-detail-gallery {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.work-detail-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}
.work-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
  transition: color var(--transition-fast);
}
.work-detail-back:hover { color: var(--text-primary); }
.work-detail-back svg { width: 14px; height: 14px; }

.work-detail-divider {
  height: 1px;
  background: var(--border-subtle);
  max-width: var(--content-max);
  margin: 0 auto;
}

.work-detail-next {
  padding: 64px 0;
  text-align: center;
}
.work-detail-next-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.work-detail-next-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.work-detail-next-link:hover { color: var(--accent-brand); }
.work-detail-next-link svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  .work-detail-hero { padding: 120px 0 32px; }
  .work-detail-head { flex-direction: column; align-items: flex-start; gap: 24px; }
}

/* ===== JOURNAL DETAIL PAGE ===== */
.journal-detail-hero .container {
  position: relative;
}
.journal-detail-hero-decor {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  height: auto;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
  filter: drop-shadow(0 20px 48px rgba(0,0,0,0.35));
  animation: heroFloat 5s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(-50%); }
  50% { transform: translateY(-53%); }
}
@media (max-width: 768px) {
  .journal-detail-hero-decor { display: none; }
}
.journal-detail-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.journal-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}
.journal-detail-tag {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-brand);
  padding: 4px 12px;
  background: rgba(205,0,13,0.06);
  border-radius: 100px;
}
.journal-detail-body {
  max-width: 900px;
  margin: 0 auto;
}
/* Content section with light background */
.journal-detail-content-section {
  background: var(--bg-surface);
  padding: 64px 0 80px;
}
.journal-detail-body h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: 52px;
  margin-bottom: 20px;
}
.journal-detail-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: 36px;
  margin-bottom: 12px;
}
.journal-detail-body p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 16px;
}
.journal-detail-body ul, .journal-detail-body ol {
  padding-left: 24px;
  margin-bottom: 24px;
}
.journal-detail-body li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}
.journal-detail-body blockquote {
  border-left: 2px solid var(--accent-brand);
  padding: 16px 24px;
  margin: 32px 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  background: var(--bg-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.journal-detail-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 32px 0;
  display: block;
}
/* Glossary term block */
.j-term {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.j-term:last-child {
  border-bottom: none;
}
.j-term-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.4;
}
.j-term-def {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}
@media (max-width: 768px) {
  .j-term { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .j-term-name { font-size: 16px; }
}
.journal-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
  transition: color var(--transition-fast);
}
.journal-detail-back:hover { color: var(--text-primary); }
.journal-detail-back svg { width: 14px; height: 14px; }

.journal-detail-divider {
  height: 1px;
  background: var(--border-subtle);
  max-width: var(--content-max);
  margin: 0 auto;
}

.journal-detail-next {
  padding: 64px 0;
  text-align: center;
}
.journal-detail-next-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.journal-detail-next-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.journal-detail-next-link:hover { color: var(--accent-brand); }
.journal-detail-next-link svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  .journal-detail-hero { padding: 120px 0 32px; }
  .journal-detail-body h2 { margin-top: 36px; }
}